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Li D, Li H, Feng H, Qi P, Wu Z. Unveiling kiwifruit TCP genes: evolution, functions, and expression insights. Plant Signal Behav 2024; 19:2338985. [PMID: 38597293 PMCID: PMC11008546 DOI: 10.1080/15592324.2024.2338985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 03/26/2024] [Indexed: 04/11/2024]
Abstract
The TEOSINTE-BRANCHED1/CYCLOIDEA/PROLEFERATING-CELL-FACTORS (TCP) gene family is a plant-specific transcriptional factor family involved in leaf morphogenesis and senescence, lateral branching, hormone crosstalk, and stress responses. To date, a systematic study on the identification and characterization of the TCP gene family in kiwifruit has not been reported. Additionally, the function of kiwifruit TCPs in regulating kiwifruit responses to the ethylene treatment and bacterial canker disease pathogen (Pseudomonas syringae pv. actinidiae, Psa) has not been investigated. Here, we identified 40 and 26 TCP genes in Actinidia chinensis (Ac) and A. eriantha (Ae) genomes, respectively. The synteny analysis of AcTCPs illustrated that whole-genome duplication accounted for the expansion of the TCP family in Ac. Phylogenetic, conserved domain, and selection pressure analysis indicated that TCP family genes in Ac and Ae had undergone different evolutionary patterns after whole-genome duplication (WGD) events, causing differences in TCP gene number and distribution. Our results also suggested that protein structure and cis-element architecture in promoter regions of TCP genes have driven the function divergence of duplicated gene pairs. Three and four AcTCP genes significantly affected kiwifruit responses to the ethylene treatment and Psa invasion, respectively. Our results provided insight into general characters, evolutionary patterns, and functional diversity of kiwifruit TCPs.
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Affiliation(s)
- Donglin Li
- College of Biology and Agriculture, Shaoguan University, Shaoguan, Guangdong, China
| | - Haibo Li
- College of Biology and Agriculture, Shaoguan University, Shaoguan, Guangdong, China
| | - Huimin Feng
- College of Biology and Agriculture, Shaoguan University, Shaoguan, Guangdong, China
| | - Ping Qi
- College of Biology and Agriculture, Shaoguan University, Shaoguan, Guangdong, China
| | - Zhicheng Wu
- College of Biology and Agriculture, Shaoguan University, Shaoguan, Guangdong, China
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Ye KY, Li JW, Wang FM, Gao JY, Liu CX, Gong HJ, Qi BB, Liu PP, Jiang QS, Tang JM, Mo QH. Genome-wide analysis and expression profiling of the HD-ZIP gene family in kiwifruit. BMC Genomics 2024; 25:354. [PMID: 38594645 PMCID: PMC11003167 DOI: 10.1186/s12864-024-10025-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/17/2024] [Indexed: 04/11/2024] Open
Abstract
The homeodomain-leucine zipper (HD-Zip) gene family plays a pivotal role in plant development and stress responses. Nevertheless, a comprehensive characterization of the HD-Zip gene family in kiwifruit has been lacking. In this study, we have systematically identified 70 HD-Zip genes in the Actinidia chinensis (Ac) genome and 55 in the Actinidia eriantha (Ae) genome. These genes have been categorized into four subfamilies (HD-Zip I, II, III, and IV) through rigorous phylogenetic analysis. Analysis of synteny patterns and selection pressures has provided insights into how whole-genome duplication (WGD) or segmental may have contributed to the divergence in gene numbers between these two kiwifruit species, with duplicated gene pairs undergoing purifying selection. Furthermore, our study has unveiled tissue-specific expression patterns among kiwifruit HD-Zip genes, with some genes identified as key regulators of kiwifruit responses to bacterial canker disease and postharvest processes. These findings not only offer valuable insights into the evolutionary and functional characteristics of kiwifruit HD-Zips but also shed light on their potential roles in plant growth and development.
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Affiliation(s)
- Kai-Yu Ye
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Jie-Wei Li
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Fa-Ming Wang
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Jian-You Gao
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Cui-Xia Liu
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Hong-Juan Gong
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Bei-Bei Qi
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Ping-Ping Liu
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Qiao-Sheng Jiang
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China
| | - Jian-Min Tang
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China.
| | - Quan-Hui Mo
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China.
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3
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Fu C, Han C, Wei Y, Liu D, Han Y. Two NAC transcription factors regulated fruit softening through activating xyloglucan endotransglucosylase/hydrolase genes during kiwifruit ripening. Int J Biol Macromol 2024; 263:130678. [PMID: 38458276 DOI: 10.1016/j.ijbiomac.2024.130678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 03/04/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Kiwifruit is a climacteric fruit that is prone to ripening and softening. Understanding molecular regulatory mechanism of kiwifruit softening, is helpful to ensure long-term storage of fruit. In the study, two NAC TFs and two XTH genes were isolated from kiwifruit. Phylogenetic tree showed that both AcNAC1 and AcNAC2 belonged to NAP subfamily, AcXTH1 belong to I subfamily, and AcXTH2 belong to III subfamily. Bioinformatics analysis predicted that AcNAC1 and AcNAC2 possessed similar three-dimensional structural, and belonged to hydrophilic proteins. AcXTH1 and AcXTH2 were hydrophilic proteins and contained signal peptides. AcXTH1 had a transmembrane structure, but AcXTH2 did not. qRT-PCR results showed that AcNAC1, AcNAC2, AcXTH1 and AcXTH2 were increased during kiwifruit ripening. Correlation analysis showed that kiwifruit softening was closely related to endotransglucosylase/hydrolase genes and NAC TFs, as well as there was also a close relationship between AcXTHs and AcNACs. Moreover, both AcNAC1 and AcNAC2 were transcriptional activators located in nucleus, which bound to and activated the promoters of AcXTH1 and AcXTH2. In shortly, we proved that the roles of NAC TFs in mediating fruit softening during kiwifruit ripening. Altogether, our results clarified that AcNAC1 and AcNAC2 were transcriptional activators, and took part in kiwifruit ripening and softening through activating endotransglucosylase/hydrolase genes, providing a new insight of fruit softening network in kiwifruit ripening.
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Affiliation(s)
- Changchun Fu
- Key laboratory of Pollution Exposure and Health Intervention of Zhejiang province, College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, PR China
| | - Chao Han
- Key laboratory of Pollution Exposure and Health Intervention of Zhejiang province, College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, PR China
| | - Yunxiao Wei
- Key laboratory of Pollution Exposure and Health Intervention of Zhejiang province, College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, PR China
| | - Dan Liu
- Key laboratory of Pollution Exposure and Health Intervention of Zhejiang province, College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, PR China
| | - Yanchao Han
- Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China.
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Kim HE, Chin KB. Effects of gold and green kiwifruit juices on the physicochemical properties and tenderness of pork loin and antioxidant activity during incubation (24 hrs) in a pork model system. Anim Biosci 2024:ab.23.0410. [PMID: 38575124 DOI: 10.5713/ab.23.0410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 02/05/2024] [Indexed: 04/06/2024] Open
Abstract
Objective Although pork loins is not a tough meat, they need to develop for meat products with a soft texture for the elderly. This study focused on the physicochemical properties and tenderness characteristics of pork loin injected with green kiwifruit juice (GRJ) and gold kiwifruit juice (GOJ) during various incubation times. In addition, the antioxidant activities of hydrolysate derived from the hydrolysis of pork loin by kiwifruit juice protease were evaluated. Methods The pork loin was injected with 10% and 20% GRJ and GOJ, under various incubation times (0, 4, 8, and 24 h). Then, the physicochemical properties and tenderness of pork loins. 2,2- diphenyl-1-picrylhydrazyl (DPPH) and reducing power were conducted to determine hydrolysate's antioxidant activities derived from pork loin's hydrolysis by kiwifruit juice protease. Results GRJ had greater tenderizing ability than GOJ, even at the 10% addition. When kiwifruit juice was injected into pork loin, the tenderness increased with increasing incubation time. This was confirmed by the decrease in intensity of the myosin heavy chain (MHC) band in SDS-PAGE. In particular, the MHC band decreased at 8 h for both 10% GRJ and 20% GOJ and at 4 h for 20% GRJ alone. The highest myofibril fragmentation index and peptide solubility were observed in pork loin treated with 20% GRJ compared to the other treatments during incubation. The 10% GRJ and 20% GOJ treatments showed similar levels of antioxidant activity of the protein hydrolysates in pork loin, and 20% GRJ showed the highest activity among the treatments. Conclusion Kiwifruit juice had protease activity, and GRJ was more useful for the tenderness of meat products than GOJ. Thus, GRJ at 10% could be a potential agent to tenderize and enrich the natural antioxidant activity through the proteolysis of pork loin.
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Affiliation(s)
- Ha Eun Kim
- Department of Animal Science, Chonnam National University, Gwangju 61186, Korea
| | - Koo Bok Chin
- Department of Animal Science, Chonnam National University, Gwangju 61186, Korea
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Wang J, Cai X, Zeng S, Zhang Z, Chi Q, Guo W. Effect of forchlorfenuron and thidiazuron on kiwifruits' internal qualities, optical properties and their relationship during growth. Spectrochim Acta A Mol Biomol Spectrosc 2024; 308:123749. [PMID: 38113558 DOI: 10.1016/j.saa.2023.123749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/08/2023] [Accepted: 12/08/2023] [Indexed: 12/21/2023]
Abstract
Forchlorfenuron (1-(2-chloropyridin-4-yl)-3-phenylurea, CPPU) and thidiazuron (N-Phenyl-N'-1,2,3-thiadiazol-5-ylurea, TDZ) are two widely used plant growth regulators in kiwifruit cultivation. They can promote fruit size, but it is unclear whether they have same effect on internal qualities, optical properties and cell structure of kiwifruit, and whether the kiwifruits treated with CPPU and TDZ can be identified based on optical properties. To answer these questions, the kiwifruits treated with 20 mg/L CPPU and 2 mg/L TDZ solutions were used as samples, and the untreated kiwifruits were used as control to investigate the optical properties (absorption coefficient μa and reduced scattering coefficient μs'), internal qualities (soluble solids content (SSC), firmness and moisture content) and microstructure of pulp tissue during the growth. Moreover, the relationship between the optical properties and internal qualities were analyzed, and the potential for identifying the kiwifruits treated with CPPU and TDZ based on optical properties was evaluated. The results showed that CPPU and TDZ increased the SSC and reduced the firmness of kiwifruits, but had some different effects on the moisture content and cell size. CPPU and TDZ did not influence the change trend of μa and μs' with wavelength, but affected their values and the relationship with internal qualities. In general, the mean μa of the kiwifruits treated with CPPU and with TDZ was the largest and the smallest at the absorption peaks (980 nm, 1190 nm and 1420 nm), respectively. The linear discriminant analysis modeling results showed that the spectra of μa with μs' had greater potential in identifying the kiwifruits treated with CPPU/TDZ with accuracy of 75.76 %.
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Affiliation(s)
- Jiaxin Wang
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiao Cai
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shuochong Zeng
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zongyi Zhang
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Qian Chi
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Agricultural Internet of Things, Ministry of Agriculture and Rural Affairs, Yangling, Shaanxi 712100, China; Shaanxi Key Laboratory of Agricultural Information Perception and Intelligent Service, Yangling, Shaanxi 712100, China
| | - Wenchuan Guo
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Agricultural Internet of Things, Ministry of Agriculture and Rural Affairs, Yangling, Shaanxi 712100, China; Shaanxi Key Laboratory of Agricultural Information Perception and Intelligent Service, Yangling, Shaanxi 712100, China.
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6
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Iqbal SZ, Haider A, Rehman FU, Cui G, Waseem M, Iqbal M, Mousavi Khaneghah A. Application of carboxymethylcellulose in combination with essential oils nano-emulsions edible coating for the preservation of kiwifruit. Int J Biol Macromol 2024; 261:129947. [PMID: 38316326 DOI: 10.1016/j.ijbiomac.2024.129947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/24/2024] [Accepted: 02/01/2024] [Indexed: 02/07/2024]
Abstract
The present research investigates the effectiveness of nano-emulsified coatings (C-1, C-2, and C-3) in preserving the kiwifruit at a temperature of 10 ± 2 °C with 90-95 % relative humidity (RH) for 30 days. The nano-emulsions were prepared from varied carboxymethyl cellulose (CMC) concentrations with different combinations of essential oils such as thyme, clove, and cardamom. Dynamic light scattering investigation with Zeta Sizer revealed that C-1, C-2, and C-3 nano-emulsions have nano sizes of 81.3 ± 2.3, 115.3 ± 4.2, and 63.2 ± 3.2 nm, respectively. The scanning electron microscopy images showed that the nanoemulsion of C-1 had homogenous spherical globules, C-2 had voids, and C-3 showed a non-porous structure with uniform dispersion. The X-ray diffraction analysis indicated that C-1, C-2, and C-3 nano-emulsion exhibited distinct crystallinity and peaks. The nano-emulsion C-1 had reduced crystallinity, while C-2 had lower intensity peaks, and C-3 had increased crystallinity. The results documented that compared to control kiwifruit samples, the samples coated with C-3 nano-emulsion have decreased weight loss, decay incidence, soluble solids, maturity index activity, ethylene production, total bacterial count, and increased titratable acid, and firmness attributes. The results of current research are promising and would be applicable in utilization in industrial applications.
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Affiliation(s)
- Shahzad Zafar Iqbal
- Food Safety and Toxicology Lab, Department of Applied Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan.
| | - Ali Haider
- Food Safety and Toxicology Lab, Department of Applied Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan
| | - Fazal Ur Rehman
- Food Safety and Toxicology Lab, Department of Applied Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan
| | - Guihua Cui
- Department of Pharmacy, Jilin Medical University, Jilin 132013, China
| | - Muhammad Waseem
- Food Safety and Toxicology Lab, Department of Applied Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan
| | - Munawar Iqbal
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan
| | - Amin Mousavi Khaneghah
- Fruit and Vegetable Product Technology, Prof. Wacław Dąbrowski Institute of Agricultural and Food Biotechnology - State Research Institute, 36 Rakowiecka F St., 02-532 Warsaw, Poland
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7
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Zhou Y, Chen X, Su T, Yuan M, Sun X. Kiwifruit Peel Extract Improves the Alterations in Lipid Metabolism in High-fat Diet-fed Model Rats. Plant Foods Hum Nutr 2024; 79:113-119. [PMID: 38200210 DOI: 10.1007/s11130-023-01132-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/09/2023] [Indexed: 01/12/2024]
Abstract
Previous studies have demonstrated that the kiwifruit peel, which is usually discarded by consumers and factories, has the highest polyphenol content among all parts of the kiwifruit. To maximize the utilization of these waste resources, the aim of this study was to examine the regulatory effects of polyphenols extracted from kiwifruit peel (KPE) on lipid metabolism and investigate their underlying mechanisms. Thirty-two male Sprague‒Dawley rats were divided into four groups: those fed a normal diet, those fed a high-fat (HF) diet, and those fed a HF diet with a low dose of KPE solution (50 mg/kg) or a high dose of KPE (100 mg/kg) by gavage. The findings of the study revealed that KPE effectively reduced body weight gain and the increases in triglycerides and total cholesterol in serum induced by the HF diet (HFD). Additionally, KPE supplementation led to a significant decrease in hepatic fat accumulation, potentially by increasing hepatic oxidation abilities. Hepatic lipidomics demonstrated that KPE influenced various metabolic pathways, including linoleic acid metabolism, steroid biosynthesis, and the biosynthesis of unsaturated fatty acids in HFD-induced rats, which were associated with the downregulation of FATP2, ACC, FAS, GPAT, DGTA1, DGTA2, and PPARγ expression as well as the upregulation of AMPK, PGC-1α, CPT-1, and PPARα expression. These findings suggest that KPE has considerable regulatory effects in rats with dyslipidaemia, which may provide supporting information for the reuse of kiwifruit peel.
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Affiliation(s)
- Yan Zhou
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China.
| | - Xiao Chen
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Tianxia Su
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Minlan Yuan
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Xiaohong Sun
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
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8
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Yuan P, Shen W, Yang L, Tang J, He K, Xu H, Bu F. Physiological and transcriptional analyses reveal the resistance mechanisms of kiwifruit (Actinidia chinensis) mutant with enhanced heat tolerance. Plant Physiol Biochem 2024; 207:108331. [PMID: 38181641 DOI: 10.1016/j.plaphy.2023.108331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/11/2023] [Accepted: 12/31/2023] [Indexed: 01/07/2024]
Abstract
High temperature is an environmental stressor that severely threatens plant growth, development, and yield. In this study, we obtained a kiwifruit mutant (MT) of 'Hongyang' (WT) through 60Co-γ irradiation. The MT possessed different leaf morphology and displayed prominently elevated heat tolerance compared to the WT genotype. When exposure to heat stress, the MT plants exhibited stabler photosynthetic capacity and accumulated less reactive oxygen species, along with enhanced antioxidant capacity and higher expression levels of related genes in comparison with the WT plants. Moreover, global transcriptome profiling indicated that an induction in genes related to stress-responsive, phytohormone signaling, and transcriptional regulatory pathways, which might contribute to the upgrade of thermotolerance in the MT genotype. Collectively, the significantly enhanced thermotolerance of MT might be mainly attributed to profitable leaf structure variations, improved photosynthetic and antioxidant capacities, as well as extensive transcriptome reprogram. These findings would be insightful in elucidating the sophisticated mechanisms of kiwifruit response to heat stress, and suggest the MT holds great potential for future kiwifruit improvement with enhanced heat tolerance.
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Affiliation(s)
- Ping Yuan
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China
| | - Wanqi Shen
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China
| | - Liying Yang
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China
| | - Jiale Tang
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China
| | - Kejia He
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China
| | - Hai Xu
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China.
| | - Fanwen Bu
- Hunan Horticulture Research Institute, Hunan Academy of Agricultural Sciences, Changsha, 410125, Hunan Province, China.
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9
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Li P, Zhang Y, Liang J, Hu X, He Y, Miao T, Ouyang Z, Yang Z, Amin AK, Ling C, Liu Y, Zhou X, Lv X, Wang R, Liu Y, Huo H, Liu Y, Tang W, Wang S. Agrobacterium rhizogenes-mediated marker-free transformation and gene editing system revealed that AeCBL3 mediates the formation of calcium oxalate crystal in kiwifruit. Mol Hortic 2024; 4:1. [PMID: 38167546 PMCID: PMC10759683 DOI: 10.1186/s43897-023-00077-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024]
Abstract
The transformation and gene editing of the woody species kiwifruit are difficult and time-consuming. The fast and marker-free genetic modification system for kiwifruit has not been developed yet. Here, we establish a rapid and efficient marker-free transformation and gene editing system mediated by Agrobacterium rhizogenes for kiwifruit. Moreover, a removing-root-tip method was developed to significantly increase the regeneration efficiency of transgenic hairy roots. Through A. rhizogenes-mediated CRISPR/Cas9 gene editing, the editing efficiencies of CEN4 and AeCBL3 achieved 55 and 50%, respectively. And several homozygous knockout lines for both genes were obtained. Our method has been successfully applied in the transformation of two different species of kiwifruit (Actinidia chinensis 'Hongyang' and A.eriantha 'White'). Next, we used the method to study the formation of calcium oxalate (CaOx) crystals in kiwifruit. To date, little is known about how CaOx crystal is formed in plants. Our results indicated that AeCBL3 overexpression enhanced CaOx crystal formation, but its knockout via CRISPR/Cas9 significantly impaired crystal formation in kiwifruit. Together, we developed a fast maker-free transformation and highly efficient CRISPR-Cas9 gene editing system for kiwifruit. Moreover, our work revealed a novel gene mediating CaOx crystal formation and provided a clue to elaborate the underlying mechanisms.
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Affiliation(s)
- Pengwei Li
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yiling Zhang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Jing Liang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Xufan Hu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yan He
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Tonghao Miao
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Zhiyin Ouyang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Zuchi Yang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Abdul Karim Amin
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Chengcheng Ling
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yize Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Xiuhong Zhou
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Xiaoran Lv
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Runze Wang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yajing Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Heqiang Huo
- Mid-Florida Research and Education Center, University of Florida, Institute of Food and Agricultural Sciences, Apopka, FL, 32703, USA
| | - Yongsheng Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Wei Tang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China.
| | - Songhu Wang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, China.
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10
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Zhu L, Yin T, Zhang M, Yang X, Wu J, Cai H, Yang N, Li X, Wen K, Chen D, Zhang H, Liu X. Genome-wide identification and expression pattern analysis of the kiwifruit GRAS transcription factor family in response to salt stress. BMC Genomics 2024; 25:12. [PMID: 38166720 PMCID: PMC10759511 DOI: 10.1186/s12864-023-09915-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND GRAS is a family of plant-specific transcription factors (TFs) that play a vital role in plant growth and development and response to adversity stress. However, systematic studies of the GRAS TF family in kiwifruit have not been reported. RESULTS In this study, we used a bioinformatics approach to identify eighty-six AcGRAS TFs located on twenty-six chromosomes and phylogenetic analysis classified them into ten subfamilies. It was found that the gene structure is relatively conserved for these genes and that fragmental duplication is the prime force for the evolution of AcGRAS genes. However, the promoter region of the AcGRAS genes mainly contains cis-acting elements related to hormones and environmental stresses, similar to the results of GO and KEGG enrichment analysis, suggesting that hormone signaling pathways of the AcGRAS family play a vital role in regulating plant growth and development and adversity stress. Protein interaction network analysis showed that the AcGRAS51 protein is a relational protein linking DELLA, SCR, and SHR subfamily proteins. The results demonstrated that 81 genes were expressed in kiwifruit AcGRAS under salt stress, including 17 differentially expressed genes, 13 upregulated, and four downregulated. This indicates that the upregulated AcGRAS55, AcGRAS69, AcGRAS86 and other GRAS genes can reduce the salt damage caused by kiwifruit plants by positively regulating salt stress, thus improving the salt tolerance of the plants. CONCLUSIONS These results provide a theoretical basis for future exploration of the characteristics and functions of more AcGRAS genes. This study provides a basis for further research on kiwifruit breeding for resistance to salt stress. RT-qPCR analysis showed that the expression of 3 AcGRAS genes was elevated under salt stress, indicating that AcGRAS exhibited a specific expression pattern under salt stress conditions.
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Affiliation(s)
- Ling Zhu
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, 650224, China
| | - Tuo Yin
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, 650224, China
| | - Mengjie Zhang
- Key Laboratory of Biodiversity Conservation in Southwest China, National Forest and Grassland Administration, Southwest Forestry University, Kunming, 650224, Yunnan Province, China
| | - Xiuyao Yang
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, 650224, China
| | - Jiexin Wu
- Key Laboratory of Biodiversity Conservation in Southwest China, National Forest and Grassland Administration, Southwest Forestry University, Kunming, 650224, Yunnan Province, China
| | - Hanbing Cai
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, 650224, China
| | - Na Yang
- Key Laboratory of Biodiversity Conservation in Southwest China, National Forest and Grassland Administration, Southwest Forestry University, Kunming, 650224, Yunnan Province, China
| | - Xulin Li
- Key Laboratory of Biodiversity Conservation in Southwest China, National Forest and Grassland Administration, Southwest Forestry University, Kunming, 650224, Yunnan Province, China
| | - Ke Wen
- Key Laboratory of Biodiversity Conservation in Southwest China, National Forest and Grassland Administration, Southwest Forestry University, Kunming, 650224, Yunnan Province, China
| | - Daming Chen
- Research Institute of Agriculture Ecological in Hot Areas, Yunnan Academy of Agricultural Science, Yuan Mou, Yunnan, 651300, China
| | - Hanyao Zhang
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, 650224, China.
| | - Xiaozhen Liu
- Key Laboratory of Biodiversity Conservation in Southwest China, National Forest and Grassland Administration, Southwest Forestry University, Kunming, 650224, Yunnan Province, China.
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11
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Yang F, Zhao R, Suo J, Ding Y, Tan J, Zhu Q, Ma Y. Understanding quality differences between kiwifruit varieties during softening. Food Chem 2024; 430:136983. [PMID: 37527582 DOI: 10.1016/j.foodchem.2023.136983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/17/2023] [Accepted: 07/22/2023] [Indexed: 08/03/2023]
Abstract
Research into variations between kiwifruit varieties particularly their softening quality during storage is important in improving kiwifruit quality. The potential reasons for ripening quality differences between 'Cuixiang' (CX) and 'Hayward' (HWD) kiwifruit were analyzed by physiology and metabolomic data combined with the random forests learning algorithm. The results showed that the storability difference between the two varieties mainly resulted from differences in polygalacturonase (PG) and β-galactosidase activities. The 1 °C slowed the fruit softening process of both varieties by decreasing their PG activities. A total of 368 metabolites were identified and amino acid, carbohydrate, cofactors and vitamins, as well as nucleotide metabolism are key metabolic modules that affect the ripening differences of CX and HWD kiwifruit. A total of 30 metabolites showed remarkable ability in distinguish the ripening quality of CX and HWD kiwifruit, in which d-glucose, d-maltose, 2-hydroxybutyric acid, phenyllactate, and vitamin B2 were noteworthy for their potential application on the evaluation of kiwifruit taste and nutritional value. These findings provide positive insights into the underlying mechanism of ripening quality differences between CX and HWD kiwifruit and new ideas for identifying key metabolic markers in kiwifruit.
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Affiliation(s)
- Fan Yang
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Renkai Zhao
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jiangtao Suo
- Shaanxi Bairui Kiwi Research Institute Co., Ltd., in China, Xi'an, Shaanxi 710000, PR China
| | - Yuduan Ding
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jiawei Tan
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Qinggang Zhu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Yanping Ma
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
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12
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Tian F, Qiao C, Wang C, Pang T, Guo L, Li J, Pang R, Xie H. Dissipation, residues, and evaluation of processing factor for spirotetramat and its formed metabolites during kiwifruit growing, storing, and processing. Environ Sci Pollut Res Int 2024; 31:6277-6287. [PMID: 38147257 DOI: 10.1007/s11356-023-31639-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 12/16/2023] [Indexed: 12/27/2023]
Abstract
Spirotetramat is widely used around the world to control sucking pests and may form in agricultural products. In the current study, the dissipation, residues, and evaluation of processing factor (PF) for spirotetramat and its formed metabolites were investigated during kiwifruit growing, storing, and processing. The residue analysis method was established based on high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) combined with a QuEChERS method to detect the residues of spirotetramat and its metabolites in kiwifruit and its processed products. The method provided recoveries of 74.7-108.7%, and the relative standard deviations (RSDs) were 0.6-13.1%. The LOQs of spirotetramat and its four metabolites were 1 μg kg-1. The degradation of spirotetramat was best fitted for the first-order kinetics model with a half-life of 9.90-10.34 days in the field and 24.75-30.13 days during storage. Residues of spirotetramat and its formed metabolites in kiwifruit would not pose dietary risk to consumers. Moreover, the peeling and fermentation were the highest removal efficiency for the spirotetramat and its formed metabolite residues during processing. The PF values calculated after each individual process were < 1, indicating a significant reduction of residues in different processing processes of kiwifruit. The spirotetramat was degraded during kiwifruit wine-making process with half-lives of 3.36-4.91 days. B-enol and B-keto were the main metabolites detected in kiwifruit and its processed products. This study revealed the residues of spirotetramat and its formed metabolites in kiwifruit growing, storing, and processing, which helps provide reasonable data for studying the dietary risk factors of kiwifruits and products.
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Affiliation(s)
- Fajun Tian
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China.
| | - Chengkui Qiao
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Caixia Wang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Tao Pang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Linlin Guo
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Jun Li
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Rongli Pang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Hanzhong Xie
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
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13
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Popović M, Gavrović-Jankulović M. Yeast Surface Display Methodology for the Characterization of Food Allergens In Situ. Methods Mol Biol 2024; 2717:41-63. [PMID: 37737977 DOI: 10.1007/978-1-0716-3453-0_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
High throughput allergen characterization is often based on phage display technique which is limited by the constraints of a prokaryotic expression system such as potential loss of conformational epitopes and lack of post-translational modifications. Replacing the phage display platform with a yeast surface display system could accelerate the immunological characterization of complex structured allergens. Yeast surface display is a powerful technique that allows faster immunochemical characterization of allergens in situ without the need for protein purification. Yeast surface display offers an alternative that could lead to the improvement of standard immunodiagnostic and immunotherapeutic approaches. In this chapter, we describe a protocol on yeast surface display for the characterization of plant-derived food allergens using actinidin (Act d 1), a major kiwifruit allergen, as a model system.
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Affiliation(s)
- Milica Popović
- Department of Biochemistry, Faculty of Chemistry, University of Belgrade, Belgrade, Serbia.
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14
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Wang Y, Niu Y, Ye L, Shi Y, Luo A. Ozone treatment modulates reactive oxygen species levels in kiwifruit through the antioxidant system: Insights from transcriptomic analysis. J Plant Physiol 2023; 291:154135. [PMID: 37939449 DOI: 10.1016/j.jplph.2023.154135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/05/2023] [Accepted: 11/01/2023] [Indexed: 11/10/2023]
Abstract
Owing to its easy decomposition and residue-free properties, ozone has been used as an effective and environmentally friendly physical preservation method for maintaining the post-harvest quality of fruits. This study aimed to investigate the effects of ozone treatment on the levels of oxidative stress markers and the status of the antioxidant defense system in refrigerated kiwifruit. Additionally, the study aimed to identify the differences in gene expression levels and potential regulatory effects from the transcriptional level. The results showed that ozone treatment reduced the respiration rate, maintained the fruit hardness and storage quality, and inhibited the ripening and senescence of kiwifruit. Ozone treatment activated antioxidant enzymes (superoxide dismutase, peroxidase, and catalase) and ascorbate-glutathione cycle to prevent the increase of reactive oxygen species levels (H2O2, O2-•) and malonaldehyde content, maintaining lower membrane lipid peroxidation and reactive oxygen species (ROS) accumulation than the control treatment. Further analysis showed that the regulatory ability of ROS in kiwifruit treated with ozone was not only related to the synergistic effect of enzyme activity and gene expression related to the antioxidant oxidase system and the ascorbate-glutathione (ASA-GSH) cycle but also related to downstream hormone signaling. This study provides a foundation for understanding the potential effects of ozone treatment on the antioxidant cycle of kiwifruit and provides valuable insights into the molecular basis and related key genes involved in regulating ROS to delay aging in kiwifruit.
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Affiliation(s)
- Yan Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yaoxing Niu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Lixia Ye
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yubing Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Anwei Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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15
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Goya-Jorge E, Bondue P, Gonza I, Laforêt F, Antoine C, Boutaleb S, Douny C, Scippo ML, de Ribaucourt JC, Crahay F, Delcenserie V. Butyrogenic, bifidogenic and slight anti-inflammatory effects of a green kiwifruit powder (Kiwi FFG®) in a human gastrointestinal model simulating mild constipation. Food Res Int 2023; 173:113348. [PMID: 37803696 DOI: 10.1016/j.foodres.2023.113348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 10/08/2023]
Abstract
Green kiwi (Actinidia deliciosa var. Hayward) is a fruit with important nutritional attributes and traditional use as a laxative. In this work, we studied in vitro the colonic fermentation of a standardized green kiwifruit powder (Kiwi FFG®) using representative intestinal microbial content of mildly constipated women. Static (batch) and dynamic configurations of the Simulator of the Human Intestinal Microbial Ecosystem (SHIME®) were used to estimate the impact of Kiwi FFG® in the human gut. Analysis of metabolites revealed a significant butyrogenic effect of the kiwifruit powder and, consistently, butyrate-producing bacterial populations (i.e., Faecalibacterium prausnitzii, Cluster IV, Roseburia spp.) were greatly increased in the dynamic gastrointestinal model. Bifidobacterium spp. was also found boosted in the microflora of ascending and transverse colon sections, and a significant rise of Akkermansia muciniphila was identified in the transverse colon. Reporter gene assays using human intestinal cells (HT-29) showed that kiwifruit fermentation metabolites activate the aryl hydrocarbon receptor (AhR) transcriptional pathway, which is an important regulator of intestinal homeostasis and immunity. Moreover, modulation in the production of human interleukins (IL-6 and IL-10) in Caco-2 cells suggested a potential mild anti-inflammatory effect of the kiwifruit powder and its gut microbiota-derived metabolites. Our results suggested a potential health benefit of Kiwi FFG® in the gut microbiota, particularly in the context of constipated people.
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Affiliation(s)
- Elizabeth Goya-Jorge
- Laboratory of Food Quality Management, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | - Pauline Bondue
- Laboratory of Food Quality Management, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium; ORTIS S.A., Hinter der Heck 46, 4750 Elsenborn, Belgium
| | - Irma Gonza
- Laboratory of Food Quality Management, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | - Fanny Laforêt
- Laboratory of Food Quality Management, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | - Céline Antoine
- Laboratory of Food Quality Management, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | - Samiha Boutaleb
- Laboratory of Food Analysis, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | - Caroline Douny
- Laboratory of Food Analysis, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | - Marie-Louise Scippo
- Laboratory of Food Analysis, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium
| | | | | | - Véronique Delcenserie
- Laboratory of Food Quality Management, Department of Food Sciences, FARAH - Veterinary Public Health, University of Liège, B43b, 4000 Liège, Belgium.
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16
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Flay C, Tahir J, Hilario E, Fraser L, Stannard K, Symonds V, Datson P. Genomic architecture of resistance to latania scale (H. lataniae) in kiwifruit (A. chinensis var. chinensis). BMC Plant Biol 2023; 23:530. [PMID: 37907872 PMCID: PMC10617205 DOI: 10.1186/s12870-023-04504-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/03/2023] [Indexed: 11/02/2023]
Abstract
BACKGROUND Latania scale (Hemiberlesia lataniae Signoret) is an armoured scale insect known to cause damage to kiwifruit plants and fruit, which ultimately reduces crop values and creates post-harvest export and quarantine issues. Resistance to H. lataniae does exist in some commercial cultivars of kiwifruit. However, some of the commercial cultivars bred in New Zealand have not inherited alleles for resistance to H. lataniae carried by their parents. To elucidate the architecture of resistance in the parents and develop molecular markers to assist breeding, these experiments analysed the inheritance of resistance to H. lataniae from families related to commercial cultivars. RESULTS The first experiment identified a 15.97 Mb genomic region of interest for resistance to H. lataniae in rtGBS data of 3.23 to 19.20 Mb on chromosome 10. A larger population was then QTL mapped, which confirmed the region of interest as the sole locus contributing to H. lataniae resistance. inDel markers mapping the region of low recombination under the QTL peak further narrowed the region associated with H. lataniae resistance to a 5.73 Mb region. CONCLUSIONS The kiwifruit populations and genomic methods used in this study identify the same non-recombinant region of chromosome 10 which confers resistance of A. chinensis var. chinensis to H. lataniae. The markers developed to target the H. lataniae resistance loci will reduce the amount of costly and time-consuming phenotyping required for breeding H. lataniae scale resistance into new kiwifruit cultivars.
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Affiliation(s)
- Casey Flay
- Massey University, Palmerston North, New Zealand.
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand.
| | - Jibran Tahir
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
| | - Elena Hilario
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
| | - Lena Fraser
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
| | - Kate Stannard
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
| | | | - Paul Datson
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
- Kiwifruit Breeding Centre, Te Puke, New Zealand
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17
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Liu X, Cheng C, Min Y, Xie X, Muzahid ANM, Lv H, Tian H, Zhang C, Ye C, Cao S, Chen P, Zhong C, Li D. Increased ascorbic acid synthesis by overexpression of AcGGP3 ameliorates copper toxicity in kiwifruit. J Hazard Mater 2023; 460:132393. [PMID: 37660623 DOI: 10.1016/j.jhazmat.2023.132393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/13/2023] [Accepted: 08/23/2023] [Indexed: 09/05/2023]
Abstract
The widespread application of copper (Cu) -based fertilizers and pesticides could increase the accumulation of Cu in kiwifruit. According to a global survey, red- and yellow-fleshed kiwifruit contained more elevated amounts of Cu than green-fleshed kiwifruit due to weaker disease resistance and higher use of Cu pesticides. Intriguingly, our research revealed that external and endogenous ascorbic acid (AsA) reduced the phenotypic and physiological injury of Cu toxicity in kiwifruit. Cu stress assays and transcriptional analysis have shown that Cu treatment for 12 h significantly increased the AsA content in kiwifruit leaves and up-regulated key genes involved in AsA biosynthesis, such as GDP-L-galactose phosphorylase3 (GGP3) and GDP-mannose-3',5'-epimerase (GME). Overexpressing GGP3 in transgenic kiwifruit significantly increased the endogenous AsA content of kiwifruit, which was beneficial in mitigating Cu toxicity by decreasing levels of reactive oxygen species, malondialdehyde, and electrolyte leakage, as well as reducing damage to the chloroplast structure and photosystem II. This study presented a novel strategy to ameliorate plant Cu stress by increasing the endogenous antioxidant (AsA) content through transgenesis.
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Affiliation(s)
- Xiaoying Liu
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China
| | - Chang Cheng
- College of Horticulture, Anhui Agricultural University, Hefei 230036, China
| | - Yan Min
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiaodong Xie
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China
| | - Abu Naim Md Muzahid
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China
| | - Haiyan Lv
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China
| | - Hua Tian
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China
| | - Congxiao Zhang
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China
| | - Can Ye
- State Key Joint Laboratory of Environment Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Bejing 100871, China
| | - Shifeng Cao
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
| | - Peng Chen
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China.
| | - Caihong Zhong
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China.
| | - Dawei Li
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430074, China.
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18
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Tang X, Hou Y, Jiang F, Lang H, Li J, Cheng J, Wang L, Liu X, Zhang H. Genome-wide characterization of SINA E3 ubiquitin ligase family members and their expression profiles in response to various abiotic stresses and hormones in kiwifruit. Plant Physiol Biochem 2023; 201:107891. [PMID: 37459805 DOI: 10.1016/j.plaphy.2023.107891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 06/27/2023] [Accepted: 07/08/2023] [Indexed: 08/13/2023]
Abstract
SINA (Seven in absentia) proteins in the subtype of E3 ubiquitin ligase family have important functions in regulating the growth and development as well as in response to abiotic and biotic stresses in plants. However, the characteristics and possible functions of SINA family proteins in kiwifruit are not studied. In this research, a total number of 11 AcSINA genes in the kiwifruit genome were identified. Chromosome location and multiple sequence alignment analyses indicated that they were unevenly distributed on 10 chromosomes and all contained the typical N-terminal RING domain and C-terminal SINA domain. Phylogenetic, gene structure and collinear relationship analyses revealed that they were highly conserved with the same gene structure, and have gone through segmental duplication events. Expression pattern analyses demonstrated that all AcSINAs were ubiquitously expressed in roots, stems and leaves, and were responsive to different abiotic and plant hormone treatments with overlapped but distinct expression patterns. Further yeast two-hybrid and Arabidopsis transformation analyses demonstrated most AcSINAs interacted with itself or other AcSINA members to form homo- or heterodimers, and ectopic expression of AcSINA2 in Arabidopsis led to hypersensitive growth phenotype of transgenic seedlings to ABA treatment. Our results reveal that AcSINAs take part in the response to various abiotic stresses and hormones, and provide important information for the functional elucidation of AcSINAs in vine fruit plants.
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Affiliation(s)
- Xiaoli Tang
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China
| | - Yaqiong Hou
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China
| | - Fudong Jiang
- Yantai Academy of Agricultural Sciences, 26 West Gangcheng Avenue, Yantai, Shandong, 265559, China
| | - Hongshan Lang
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China
| | - Jianzhao Li
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China
| | - Jieshan Cheng
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China
| | - Limin Wang
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China
| | - Xiaohua Liu
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China.
| | - Hongxia Zhang
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, 186 Hongqizhong Road, Yantai, Shandong Province, 264025, China; Shandong Institute of Sericulture, Shandong Academy of Agricultural Sciences, 5 Qingdao Avenue, Yantai, 265503, China; Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd, North of Beiyuanzhuang Village, Fushan County, Zhaoyuan, Shandong Province, 265400, China.
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19
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Dutta SK, Layek J, Yadav A, Das SK, Rymbai H, Mandal S, Sahana N, Bhutia T, Devi E, Patel V, Laha R, Mishra V. Improvement of rooting and growth in kiwifruit ( Actinidia deliciosa) cuttings with organic biostimulants. Heliyon 2023; 9:e17815. [PMID: 37455949 PMCID: PMC10339021 DOI: 10.1016/j.heliyon.2023.e17815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
Seaweed extracts have shown profoundly positive effects on crop growth, quality and reproduction in diverse agricultural and horticultural crops. Seaweed extracts can be used to promote the rooting and growth of cuttings in perennial fruit species like kiwifruit (Actinidia deliciosa). In this study, the cuttings were treated with 1, 5, 10 and 50% solutions of G Sap (Gracilaria edulis), K Sap (Kappaphycus alvarezii), AN (Ascophyllum nodosum), EM (Ecklonia maxima), HA (Humic acid) and control (water) for 6 h as base dipping. Subsequently, the treatments of G Sap, K Sap, AN, EM, HA and control were repeated every 15 days for a period of six months as application of 50 ml solutions in the potted cuttings. All the treatments exhibited significant effects on the rooting percent in all the kiwifruit cultivars, namely 'Monty', 'Abott', 'Hayward', 'Allison' and 'Bruno' (P ≤ 0.01) as compared to the control. Shoot and root growth parameters including leaf number per cutting, number of roots per cutting, number of branches, plant height, shoot diameter, root length, root diameter and root weight were all positively increased with the application of seaweed extracts (P ≤ 0.05). Cuttings treated with seaweed extract exhibited significantly higher levels of pigments (chlorophyll a, chlorophyll b and total carotenoids), metabolites (total carbohydrates and soluble phenols) and less electrolyte leakage as compared to the control cuttings. Significant positive and negative correlations were observed between biochemical parameters combined with plant nutrient concentration. Principal component analysis (PCA) revealed that PC1 and PC2 (first two principal components) accounted for 75% of the entire variation. While, PC1 accounted for 63% of the total variation, PC2 accounted for 11% of the total variation. The leaves and the roots of kiwifruit cultivar 'Hayward' treated with G Sap at 10%, K Sap at 10%, AN at 10%, EM at 10%, HA at 10% exhibited higher expression of all four root promoting candidate genes (GH3-3, LBD16, LBD29 and LRP1) compared to the control. Therefore, it can be concluded that, seaweed extract and humic acid can be used as a suitable alternative to synthetic hormones for promoting the rooting and growth of kiwifruit cuttings.
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Affiliation(s)
- Sudip Kumar Dutta
- ICAR Research Complex for NEH Region, Sikkim Centre, Gangtok, Sikkim, 737 102, India
| | - Jayanta Layek
- ICAR Research Complex for NEH Region, Umiam, Meghalaya, 793 103, India
| | - Ashish Yadav
- ICAR Research Complex for NEH Region, Sikkim Centre, Gangtok, Sikkim, 737 102, India
| | - Shaon Kumar Das
- ICAR Research Complex for NEH Region, Sikkim Centre, Gangtok, Sikkim, 737 102, India
| | - Heiplanmi Rymbai
- ICAR Research Complex for NEH Region, Umiam, Meghalaya, 793 103, India
| | - Somnath Mandal
- Department of Biochemistry, Uttar Banga Krishi Viswavidyalaya, Pundibari, 736165, Cooch Behar, West Bengal, India
| | - Nandita Sahana
- Department of Biochemistry, Uttar Banga Krishi Viswavidyalaya, Pundibari, 736165, Cooch Behar, West Bengal, India
| | - T.L. Bhutia
- ICAR Research Complex for NEH Region, Sikkim Centre, Gangtok, Sikkim, 737 102, India
| | - E.L. Devi
- ICAR Research Complex for NEH Region, Sikkim Centre, Gangtok, Sikkim, 737 102, India
| | - V.B. Patel
- Horticultural Science Division, Indian Council of Agricultural Research, KAB II, New Delhi, 110012, India
| | - Ramgopal Laha
- ICAR Research Complex for NEH Region, Sikkim Centre, Gangtok, Sikkim, 737 102, India
| | - V.K. Mishra
- ICAR Research Complex for NEH Region, Umiam, Meghalaya, 793 103, India
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20
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Nian L, Xie Y, Zhang H, Wang M, Yuan B, Cheng S, Cao C. Vishniacozyma victoriae: An endophytic antagonist yeast of kiwifruit with biocontrol effect to Botrytis cinerea. Food Chem 2023; 411:135442. [PMID: 36652885 DOI: 10.1016/j.foodchem.2023.135442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 12/21/2022] [Accepted: 01/07/2023] [Indexed: 01/15/2023]
Abstract
Botrytis cinerea is a pathogenic fungus to fruit, biocontrol is a promising approach to relieve this issue. In this study, Vishniacozyma victoriae is an endophytic yeast extracted from kiwifruit, was used to enhance the resistance of host to B. cinerea. The results showed that lesion diameter of the kiwifruit inoculated with B. cinerea was 55.16 %, 50.57 %, and 48.07 % lower than that of inoculated with V. victoriae + B. cinerea on 4th, 8th, and 12th day, respectively. On 12th day, the total organic acid content and energy charge of kiwifruit inoculated with B. cinerea were 19.25 % and 7.95 % lower than those inoculated with V. victoriae + B. cinerea. These indicated that V. victoriae used the organic acids and energy of host to colonize in the wound, which prevented B. cinerea from contacting the host. Accordingly, V. victoriae is a promising biocontrol yeast to inhibit the infection of B. cinerea on kiwifruit.
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Affiliation(s)
- Linyu Nian
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Yao Xie
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Haozheng Zhang
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Mengjun Wang
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Biao Yuan
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Shujie Cheng
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Chongjiang Cao
- Department of Food Quality and Safety/National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing 211198, China.
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21
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Haghbin N, Bakhshipour A, Zareiforoush H, Mousanejad S. Non-destructive pre-symptomatic detection of gray mold infection in kiwifruit using hyperspectral data and chemometrics. Plant Methods 2023; 19:53. [PMID: 37268945 PMCID: PMC10236597 DOI: 10.1186/s13007-023-01032-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/27/2023] [Indexed: 06/04/2023]
Abstract
Application of hyperspectral imaging (HSI) and data analysis algorithms was investigated for early and non-destructive detection of Botrytis cinerea infection. Hyperspectral images were collected from laboratory-based contaminated and non-contaminated fruits at different day intervals. The spectral wavelengths of 450 nm to 900 nm were pretreated by applying moving window smoothing (MWS), standard normal variates (SNV), multiplicative scatter correction (MSC), Savitzky-Golay 1st derivative, and Savitzky-Golay 2nd derivative algorithms. In addition, three different wavelength selection algorithms, namely; competitive adaptive reweighted sampling (CARS), uninformative variable elimination (UVE), and successive projection algorithm (SPA), were executed on the spectra to invoke the most informative wavelengths. The linear discriminant analysis (LDA), developed with SNV-filtered spectral data, was the most accurate classifier to differentiate the contaminated and non-contaminated kiwifruits with accuracies of 96.67% and 96.00% in the cross-validation and evaluation stages, respectively. The system was able to detect infected samples before the appearance of disease symptoms. Results also showed that the gray-mold infection significantly influenced the kiwifruits' firmness, soluble solid content (SSC), and titratable acidity (TA) attributes. Moreover, the Savitzky-Golay 1st derivative-CARS-PLSR model obtained the highest prediction rate for kiwifruit firmness, SSC, and TA with the determination coefficient (R2) values of 0.9879, 0.9644, 0.9797, respectively, in calibration stage. The corresponding cross-validation R2 values were equal to 0.9722, 0.9317, 0.9500 for firmness, SSC, and TA, respectively. HSI and chemometric analysis demonstrated a high potential for rapid and non-destructive assessments of fungal-infected kiwifruits during storage.
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Affiliation(s)
- Najmeh Haghbin
- Department of Biosystems Engineering, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Adel Bakhshipour
- Department of Biosystems Engineering, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran.
| | - Hemad Zareiforoush
- Department of Biosystems Engineering, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Sedigheh Mousanejad
- Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
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22
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Xia H, Lin Z, He Z, Guo Y, Liu X, Deng H, Li M, Xie Y, Zhang M, Wang J, Lv X, Deng Q, Luo X, Tang Y, Lin L, Liang D. AcMADS32 positively regulates carotenoid biosynthesis in kiwifruit by activating AcBCH1/2 expression. Int J Biol Macromol 2023; 242:124928. [PMID: 37224896 DOI: 10.1016/j.ijbiomac.2023.124928] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 04/28/2023] [Accepted: 05/06/2023] [Indexed: 05/26/2023]
Abstract
Fruits provide abundant carotenoid nutrients for humans, whereas the understanding of the transcriptional regulatory mechanisms of carotenoids in fruits is still limited. Here, we identified a transcription factor AcMADS32 in kiwifruit, which was highly expressed in the fruit, correlated with carotenoid content and localized in the nucleus. The silencing expression of AcMADS32 significantly reduced the content of β-carotene and zeaxanthin and expression of β-carotene hydroxylase gene AcBCH1/2 in kiwifruit, while transient overexpression increased the accumulation of zeaxanthin, suggesting that AcMADS32 was an activator involved in the transcriptional regulation of carotenoid in fruit. When AcMADS32 was further stably transformed into kiwifruit, the content of total carotenoid and components in the leaves of transgenic lines significantly increased, and the expression level of carotenogenic genes was up-regulated. Moreover, Y1H and dual luciferase reporter experiments confirmed that AcMADS32 directly bound the AcBCH1/2 promoter and activated its expression. Through Y2H assays, AcMADS32 can interact with other MADS transcription factor AcMADS30, AcMADS64 and AcMADS70. These findings will contribute to our understanding of the transcriptional regulation mechanisms underlying carotenoid biosynthesis in plants.
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Affiliation(s)
- Hui Xia
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhiyi Lin
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Zunzhen He
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuqi Guo
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Xinling Liu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Honghong Deng
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Minzhang Li
- Sichuan Provincial Academy of Natural Resources Sciences, Chengdu 610015, China
| | - Yue Xie
- Sichuan Provincial Academy of Natural Resources Sciences, Chengdu 610015, China
| | - Mingfei Zhang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Jin Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiulan Lv
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Qunxian Deng
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Xian Luo
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Yi Tang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Lijin Lin
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Dong Liang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China.
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23
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Li W, Long Y, Yin X, Wang W, Zhang R, Mo F, Zhang Z, Chen T, Chen J, Wang B, Chen X. Antifungal activity and mechanism of tetramycin against Alternaria alternata, the soft rot causing fungi in kiwifruit. Pestic Biochem Physiol 2023; 192:105409. [PMID: 37105636 DOI: 10.1016/j.pestbp.2023.105409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 06/19/2023]
Abstract
Kiwifruit rot caused by the fungus Alternaria alternata occurs in many countries, leading to considerable losses during kiwifruit production. In this study, we evaluated the antifungal activity and mechanism of tetramycin against kiwifruit soft rot caused by Alternaria alternata. Tetramycin exerted antifungal effects through the suppression of mycelial growth, conidial germination, and the pathogenicity of A. alternata. Scanning electron microscopic observations revealed that tetramycin destroyed the mycelial structure, causing the mycelia to twist, shrink, and even break. Furthermore, transmission electron microscopy revealed that tetramycin caused severe plasmolysis and a decrease in cell inclusions, and the cell wall appeared thinner with blurred boundaries. In addition, tetramycin destroyed cell membrane integrity, resulting in the leakage of cellular components such as nucleic acids and proteins in mycelial suspensions. Moreover, tetramycin also caused cell wall lysis by enhancing the activities of chitinase and β-1,3-glucanase and inducing the overexpression of related chitinase gene (Chit) and β-1,3-glucanase gene (β-1,3-glu) in A. alternata. In field trials, tetramycin not only decreased the incidence of kiwifruit rot but also create a beneficial living space for kiwifruit growth. Overall, this study indicated that the application of tetramycin could serve as an alternative measure for the management of kiwifruit rot.
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Affiliation(s)
- Wenzhi Li
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Youhua Long
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China; Teaching Experiment Farm, Guizhou University, Guiyang 550025, China.
| | - Xianhui Yin
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Weizhen Wang
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Rongquan Zhang
- Management Committee of Eastern Agricultural Industrial Park of Shuicheng County, Liupanshui 553000, China
| | - Feixu Mo
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Zhuzhu Zhang
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Tingting Chen
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Jia Chen
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Bingce Wang
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Xuetang Chen
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
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24
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Wang Y, Dong M, Wu Y, Zhang F, Ren W, Lin Y, Chen Q, Zhang S, Yue J, Liu Y. Telomere-to-telomere and haplotype-resolved genome of the kiwifruit Actinidia eriantha. Mol Hortic 2023; 3:4. [PMID: 37789444 PMCID: PMC10515003 DOI: 10.1186/s43897-023-00052-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/30/2023] [Indexed: 10/05/2023]
Abstract
Actinidia eriantha is a characteristic fruit tree featuring with great potential for its abundant vitamin C and strong disease resistance. It has been used in a wide range of breeding programs and functional genomics studies. Previously published genome assemblies of A. eriantha are quite fragmented and not highly contiguous. Using multiple sequencing strategies, we get the haplotype-resolved and gap-free genomes of an elite breeding line "Midao 31" (MD), termed MDHAPA and MDHAPB. The new assemblies anchored to 29 pseudochromosome pairs with a length of 619.3 Mb and 611.7 Mb, as well as resolved 27 and 28 gap-close chromosomes in a telomere-to-telomere (T2T) manner. Based on the haplotype-resolved genome, we found that most alleles experienced purifying selection and coordinately expressed. Owing to the high continuity of assemblies, we defined the centromeric regions of A. eriantha, and identified the major repeating monomer, which is designated as Ae-CEN153. This resource lays a solid foundation for further functional genomics study and horticultural traits improvement in kiwifruit.
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Affiliation(s)
- Yingzhen Wang
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
- School of Forestry Science and Technology, Lishui Vocational and Technical College, Lishui, 323000, China
| | - Minhui Dong
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Ying Wu
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Feng Zhang
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Wangmei Ren
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Yunzhi Lin
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Qinyao Chen
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Sijia Zhang
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China
| | - Junyang Yue
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China.
| | - Yongsheng Liu
- School of Horticulture, Anhui Agricultural University, Hefei, 230036, China.
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China.
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25
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Bi Y, Qiao C, Han L, Xie H, Xu Y, Wu D, Zhuang M, Lv X, Cao M. Key metabolites and mechanistic insights in forchlorfenuron controlling kiwifruit development. Food Res Int 2023; 164:112412. [PMID: 36737992 DOI: 10.1016/j.foodres.2022.112412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/07/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022]
Abstract
Forchlorfenuron (CPPU) is a plant growth regulator widely applied on kiwifruit to improve yield, however, there are rarely reports on its effects on the nutrients of kiwifruits. Based on UHPLC-Q-TOF-MS, the effects of CPPU on metabolism profile and nutrient substances of two kiwifruit varieties during development were investigated by non-targeted metabolomics. A total of 115 metabolites were identified, and 29 differential metabolites were confirmed and quantified using certified reference standards. Metabolic profile indicated that CPPU promoted kiwifruit development during the main expansion stages at the molecular level, and the effects varied slightly for different varieties. In the early and middle stages of kiwifruit development, the anthocyanin, flavone and flavonol biosynthesis were down-regulated in both varieties, and flavanols biosynthesis was down-regulated only in Hayward variety. Arginine biosynthesis was down-regulated at all stages till the harvest. Although the synthesis of these nutrient substances in kiwifruits was mostly down-regulated by CPPU, the negative effects became mild at harvest time, and positively, the significant increase of sucrose and decrease of organic acids at harvest time could help to improve the taste of kiwifruits.
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26
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Henry M, Rosin C, Edwards S. Governing taste: data, temporality and everyday kiwifruit dry matter performances. Agric Human Values 2022; 40:519-531. [PMID: 36404907 PMCID: PMC9664045 DOI: 10.1007/s10460-022-10396-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 11/01/2022] [Indexed: 06/08/2023]
Abstract
Data is essential to governing those emerging matters of concern that confront the agrifood every day. But data is no neutral intermediary. It disrupts, exposes, and creates new social, economic, political, and environmental possibilities, whilst simultaneously hiding, excluding, and foreclosing others. Scholars have become attuned to both the constitutive role of data in creating everyday worlds, and the need to develop critical accounts of the materialities, spatialities and multiplicities of data relationships. Whereas this emerging work develops insight to the capacity for data topologies to reterritorialise the spatial performances of everyday life, it has largely reduced the associated temporal dimensions to matters of fact. The effect of these performances has been to naturalize the temporal quality of speed and elide the multiple temporalities required to enact contemporary data worlds. Applying the lenses of infrastructuring, performativity and ferality, this paper explores temporality and data in the everyday worlds produced through the New Zealand kiwifruit industry's focus on dry matter. The paper argues that temporalities are deeply embedded in the kiwifruit industry's data relations. We show that while temporal data relations are critical to the industry, we also highlight ways in which those relations introduce new, potentially destabilizing performances into kiwifruit relations.
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Affiliation(s)
- Matthew Henry
- School of People, Environment and Planning, Massey University, Palmerston North, New Zealand
| | - Christopher Rosin
- Department of Tourism, Sport and Society, Lincoln University, Lincoln, New Zealand
| | - Sarah Edwards
- Department of Environmental Management, Lincoln University, Lincoln, New Zealand
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27
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Wang J, Zhang L, Dong X, Wang J, Raghavan V. Effects of variety, maturity and storage conditions on the allergic potential of kiwifruit and its relationship with antioxidant activity. Food Chem X 2022; 16:100467. [PMID: 36263246 PMCID: PMC9574761 DOI: 10.1016/j.fochx.2022.100467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 09/01/2022] [Accepted: 10/08/2022] [Indexed: 11/06/2022] Open
Abstract
Allergenicity of kiwifruit strongly associated with its physiological attributes. 10-day storage of kiwifruit at 20 °C increased the Act d 2 content by 50 %. Act d 2 content in the seeds was 4-fold higher than that of peel. Act d 2 content showed a negative relationship with antioxidant activity.
This work aimed to study the influences of physiological characteristics (variety, maturity, and fruit components) and storage conditions on the allergenic potential of kiwifruit. The results found kiwifruit allergen (Act d 2) is only measured in the green kiwifruit rather than golden kiwifruit. The Act d 2 content of seed is 2-fold and 4-fold higher than that of pulp and peel, respectively. The highest Act d 2 allergen content was determined in ripe kiwifruit, followed by overripe fruit and unripe fruit. A 50 % of enhancement in Act d 2 content was observed after 10-day storage at 20 °C. Further, the Act d 2 content showed a negative relationship with the ascorbic acid content and total antioxidant activity at various conditions. Thus, antioxidants as important factors may involve the regulation of Act d 2 in kiwifruit. These findings could provide a deep understanding in the distribution of Act d 2.
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Affiliation(s)
- Jin Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China
- Corresponding authors at: Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China (J. Wang).
| | - Lili Zhang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xin Dong
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, QC H9X3V9, Canada
| | - Jun Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Corresponding authors at: Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China (J. Wang).
| | - Vijaya Raghavan
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, QC H9X3V9, Canada
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28
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Broussard MA, Howlett BG, Evans LJ, McBrydie H, Cutting BT, Read SF, Pattemore DE. Pollinator identity and behavior affect pollination in kiwifruit ( Actinidia chinensis Planch.). PeerJ 2022; 10:e12963. [PMID: 35702253 PMCID: PMC9188772 DOI: 10.7717/peerj.12963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 01/28/2022] [Indexed: 01/11/2023] Open
Abstract
Many crop plants rely on insect pollination, particularly insect-pollinated crops which are functionally dioecious. These crops require insects to move pollen between separate plants which are functionally male or female. While honey bees are typically considered the most important crop pollinator species, many other insects are known to visit crops but the pollination contribution of the full diversity of these flower visitors is poorly understood. In this study, we examine the role of diverse insect pollinators for two kiwifruit cultivars as model systems for dioecious crops: Actinidia chinensis var. deliciosa 'Hayward' (a green-fleshed variety) and A. chinensis var. chinensis 'Zesy002' (a gold-fleshed variety). In our round-the-clock insect surveys, we identified that psychodid flies and mosquitoes were the second and third most frequent floral visitors after honey bees (Apis mellifera L), but further work is required to investigate their pollination efficiency. Measures of single-visit pollen deposition identified that several insects, including the bees Leioproctus spp. and Bombus spp. and the flies Helophilus hochstetteri and Eristalis tenax, deposited a similar amount of pollen on flowers as honey bees (Apis mellifera). Due to their long foraging period and high pollen deposition, we recommend the development of strategies to boost populations of Bombus spp., Eristalis tenax and other hover flies, and unmanaged bees for use as synergistic pollinators alongside honey bees.
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Affiliation(s)
- Melissa A. Broussard
- The New Zealand Institute for Plant and Food Research Ltd, Hamilton, New Zealand
| | - Brad G. Howlett
- The New Zealand Institute for Plant and Food Research Ltd, Lincoln, New Zealand
| | - Lisa J. Evans
- Plant and Food Research Australia Ltd, Brisbane, Australia
| | - Heather McBrydie
- The New Zealand Institute for Plant and Food Research Ltd, Hamilton, New Zealand
| | | | - Samantha F.J. Read
- The New Zealand Institute for Plant and Food Research Ltd, Lincoln, New Zealand
| | - David E. Pattemore
- The New Zealand Institute for Plant and Food Research Ltd, Hamilton, New Zealand,University of Auckland, Auckland, New Zealand
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Polychroniadou C, Karagiannis E, Michailidis M, Adamakis IDS, Ganopoulos I, Tanou G, Bazakos C, Molassiotis A. Identification of genes and metabolic pathways involved in wounding-induced kiwifruit ripening. Plant Physiol Biochem 2022; 179:179-190. [PMID: 35358868 DOI: 10.1016/j.plaphy.2022.03.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/17/2022] [Accepted: 03/22/2022] [Indexed: 06/14/2023]
Abstract
Fruit is constantly challenged by wounding events, inducing accelerated ripening and irreversible metabolic changes. However, cognate mechanisms that regulate this process are little known. To expand our knowledge of ripening metabolism induced by wounding, an artificial-wound global transcriptome investigation combined with metabolite profiling study was conducted in postharvest kiwifruit (Actinidia chinensis var. deliciosa (A. Chev.) A. Chev. 'Hayward'). Wounding treatment promoted fruit ripening, as demonstrated by changes in fruit firmness, ethylene production and respiration activity determined periodically during a ripening period of 8 d at room temperature. Calcium imaging using fluorescent probe Fluo-3 AM revealed spatial dynamics of Ca2+ signaling in the wounding area following 8d ripening. Several sugars including fructose, glucose, and sucrose as well as organic acids such as citric, succinic and galacturonic acid were increased by wounding. Changes of various amino acids in wounded-treated fruit, especially 5-oxoproline and valine along with alternations of soluble alcohols, like myo-inositol were detected. Gene expression analysis of the wounded fruit showed increased expression of genes that are mainly involved in defense response (e.g., AdTLP.1-3, AdPP2C.1-2, AdMALD1), calcium ion binding (e.g., AdCbEFh, AdCLR, AdANX), TCA cycle (e.g., AdMDH.1, AdMDH.2, AdCS), sugars (e.g., AdSUSA.1, AdSPS4, AdABFr), secondary metabolism (e.g., AdPAL.1-3, AdCCR, AdHCT.1-2), lipid processing (e.g., AdGELP.1-4, AdGELP) and pectin degradation (e.g., AdPE.1-2, AdPAE.1-2, AdPG.1-2) as well as in ethylene (AdERF7, AdERF1B, AdACO.1-4) and auxin (AdICE, AdAEFc, AdASII) synthesis and perception. Moreover, genes related to aquaporins, such as AdAQP2, AdAQP4 and AdAQP7 were down-regulated in fruit exposed to wounding. These results demonstrate multiple metabolic points of wounding regulatory control during kiwifruit ripening and provide insights into the molecular basis of wounding-mediated ripening.
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Affiliation(s)
- Chrysanthi Polychroniadou
- Laboratory of Pomology, Department of Horticulture, Aristotle University of Thessaloniki, Thessaloniki-Thermi, 57001, Greece
| | - Evangelos Karagiannis
- Laboratory of Pomology, Department of Horticulture, Aristotle University of Thessaloniki, Thessaloniki-Thermi, 57001, Greece
| | - Michail Michailidis
- Laboratory of Pomology, Department of Horticulture, Aristotle University of Thessaloniki, Thessaloniki-Thermi, 57001, Greece
| | | | - Ioannis Ganopoulos
- Institute of Plant Breeding and Genetic Resources, ELGO-DIMITRA, Thessaloniki-Thermi, 57001, Greece; Joint Laboratory of Horticulture, ELGO-DIMITRA, Thessaloniki-Thermi, 57001, Greece
| | - Georgia Tanou
- Joint Laboratory of Horticulture, ELGO-DIMITRA, Thessaloniki-Thermi, 57001, Greece; Institute of Soil and Water Resources, ELGO-DIMITRA, Thessaloniki-Thermi, 57001, Greece
| | - Christos Bazakos
- Institute of Plant Breeding and Genetic Resources, ELGO-DIMITRA, Thessaloniki-Thermi, 57001, Greece; Joint Laboratory of Horticulture, ELGO-DIMITRA, Thessaloniki-Thermi, 57001, Greece; Department of Comparative Development and Genetics, Max Planck Institute for Plant Breeding Research, Carl-von-Linne-Weg 10, 50829, Cologne, Germany
| | - Athanassios Molassiotis
- Laboratory of Pomology, Department of Horticulture, Aristotle University of Thessaloniki, Thessaloniki-Thermi, 57001, Greece.
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Yao X, Wang S, Wang Z, Li D, Jiang Q, Zhang Q, Gao L, Zhong C, Huang H, Liu Y. The genome sequencing and comparative analysis of a wild kiwifruit Actinidia eriantha. Mol Hortic 2022; 2:13. [PMID: 37789488 PMCID: PMC10515239 DOI: 10.1186/s43897-022-00034-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 04/18/2022] [Indexed: 10/05/2023]
Abstract
The current kiwifruit industry is mainly based on the cultivars derived from the species Actinidia chinensis (Ac) which may bring risks such as canker disease. Introgression of desired traits from wild relatives is an important method for improving kiwifruit cultivars. Actinidia eriantha (Ae) is a particularly important taxon used for hybridization or introgressive breeding of new kiwifruit cultivars because of its valued species-specific traits. Here, we assembled a chromosome-scale high-quality genome of a Ae sample which was directly collected from its wild populations. Our analysis revealed that 41.3% of the genome consists of repetitive elements, comparable to the percentage in Ac and Ae cultivar "White" genomes. The genomic structural variation, including the presence/absence-variation (PAV) of genes, is distinct between Ae and Ac, despite both sharing the same two kiwifruit-specific whole genome duplication (WGD) events. This suggests that a post-WGD divergence mechanism occurred during their evolution. We further investigated genes involved in ascorbic acid biosynthesis and disease-resistance of Ae, and we found introgressive genome could contribute to the complex relationship between Ae and other representative kiwifruit taxa. Collectively, the Ae genome offers valuable genetic resource to accelerate kiwifruit breeding applications.
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Affiliation(s)
- Xiaohong Yao
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
| | - Shuaibin Wang
- Department of Bioinformatics, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zupeng Wang
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
| | - Dawei Li
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
| | - Quan Jiang
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiong Zhang
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
| | - Lei Gao
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
| | - Caihong Zhong
- Key Laboratory of Plant Germplasm Enhancement and Specially Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, 430074, China
| | - Hongwen Huang
- Lushan Botanical Garden, Chinese Academy of Sciences, Jiujiang, 332900, China
| | - Yifei Liu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, China.
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Chen Q, Shen P, Bock R, Li S, Zhang J. Comprehensive analysis of plastid gene expression during fruit development and ripening of kiwifruit. Plant Cell Rep 2022; 41:1103-1114. [PMID: 35226116 DOI: 10.1007/s00299-022-02840-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Global survey of plastid gene expression during fruit ripening in kiwifruit provides cis-elements for the future engineering of the plastid genome of kiwifruit. A limitation in the application of plastid biotechnology for molecular farming is the low-level expression of transgenes in non-green plastids compared with photosynthetically active chloroplasts. Unlike other fruits, not all chloroplasts are transformed into chromoplasts during ripening of red-fleshed kiwifruit (Actinidia chinensis cv. Hongyang) fruits, which may make kiwifruit an ideal horticultural plant for recombinant protein production by plastid engineering. To identify cis-elements potentially triggering high-level transgene expression in edible tissues of the 'Hongyang' kiwifruit, here we report a comprehensive analysis of kiwifruit plastid gene transcription in green leaves and fruits at three different developmental stages. While transcripts of a few photosynthesis-related genes and most genetic system genes were substantially upregulated in green fruits compared with leaves, nearly all plastid genes were significantly downregulated at the RNA level during fruit development. Expression of a few genes remained unchanged, including psbA, the gene encoding the D1 polypeptide of photosystem II. However, PsbA protein accumulation decreased continuously during chloroplast-to-chromoplast differentiation. Analysis of post-transcriptional steps in mRNA maturation, including intron splicing and RNA editing, revealed that splicing and editing may contribute to regulation of plastid gene expression. Altogether, 40 RNA editing sites were verified, and 5 of them were newly discovered. Taken together, this study has generated a valuable resource for the analysis of plastid gene expression and provides cis-elements for future efforts to engineer the plastid genome of kiwifruit.
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Affiliation(s)
- Qiqi Chen
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, 430062, China
| | - Pan Shen
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, 430062, China
| | - Ralph Bock
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, 430062, China
- Max-Planck-Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Shengchun Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, 430062, China.
| | - Jiang Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, 430062, China.
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Han X, Wang X, Shen C, Mo Y, Tian R, Mao L, Luo Z, Yang H. Exogenous ABA promotes aroma biosynthesis of postharvest kiwifruit after low-temperature storage. Planta 2022; 255:82. [PMID: 35257207 DOI: 10.1007/s00425-022-03855-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Exogenous ABA played a positive role in the accumulation and biosynthesis of aroma components of postharvest kiwifruit after low-temperature storage, especially the esters production during ripening. Low-temperature storage (LTS) generally affects the aroma formation associated with the decrease in aroma quality in kiwifruit. In this work, abscisic acid (ABA) treatment after LTS increased the production of aroma components in postharvest kiwifruit and enhanced the related enzyme activity, especially alcohol acyltransferase (AAT), branched amino acid transaminase (BCAT) and hydroperoxide lyase (HPL). Corresponding to the enzyme activity, the gene expression of AchnAAT, AchnADH, AchnBCAT and AchnHPL was significantly up-regulated by ABA. The principal component analysis further illustrated the differences in aroma components between ABA and the control. The positive correlation of aroma accumulation with the expression levels of AchnPDC and AchnLOX and the enzyme activities of BCAT and pyruvate decarboxylase (PDC) was also revealed by correlation analysis. In addition, the promoter sequences of the key genes involved in aroma biosynthesis contained multiple cis-elements (ABRE and G-box) of ABA-responsive proteins. Combining the transcriptome sequencing data, the promoting role of ABA signaling in the regulation of aroma biosynthesis of postharvest kiwifruit after LTS was discussed. This study would provide a reference for improving aroma quality of postharvest kiwifruit after LTS, as well the molecular mechanism of kiwifruit aroma fading after LTS.
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Affiliation(s)
- Xueyuan Han
- School of Life Science, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Xiaoyu Wang
- School of Life Science, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Chi Shen
- School of Life Science, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Yiwei Mo
- School of Life Science, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Rungang Tian
- School of Life Science, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Linchun Mao
- College of Biosystems Engineering and Food Science, Zhejiang Key Laboratory of Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou, 310058, China
| | - Zisheng Luo
- College of Biosystems Engineering and Food Science, Zhejiang Key Laboratory of Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou, 310058, China
| | - Huanyi Yang
- School of Life Science, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China.
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Liu J, Chen Y, Wang WQ, Liu JH, Zhu CQ, Zhong YP, Zhang HQ, Liu XF, Yin XR. Transcription factors AcERF74/75 respond to waterlogging stress and trigger alcoholic fermentation-related genes in kiwifruit. Plant Sci 2022; 314:111115. [PMID: 34895544 DOI: 10.1016/j.plantsci.2021.111115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 06/14/2023]
Abstract
Kiwifruit plants have a fleshy, shallow root system which is sensitive to waterlogging stress, which results in a decrease in crop yield or even plants death. Although the waterlogging stress responses in kiwifruit have attracted much attention, the underlying molecular mechanism remains unclear. In this study, waterlogging led to drastic inhibition of root growth of 'Donghong' kiwifruit (Actinidia chinensis) plants grown in vitro, which was accompanied by significant elevation of endogenous acetaldehyde and ethanol contents. RNA-seq of roots of plants waterlogged for 0, 1 and 2 days revealed that a total of 149 genes were up- or down-regulated, including seven biosynthetic genes related to the glycolysis/gluconeogenesis pathway and 10 transcription factors. Analyses with real-time PCR, dual-luciferase assays and EMSA demonstrated that AcERF74 and AcERF75, two members of the ERF-VII subfamily, directly upregulated AcADH1 (alcohol dehydrogenase). Moreover, the overexpression of AcERF74/75 in transgenic calli resulted in dramatic increase of endogenous ethanol contents through the triggering of AcADH1 and AcADH2 expression. Although the AcPDC2 (pyruvate decarboxylase) expression was also enhanced in transgenic lines, the endogenous acetaldehyde contents showed no significant changes. These results illustrated that AcERF74/75 are two transcriptional activators on alcoholic fermentation related genes and are responsive to waterlogging stress in kiwifruit.
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Affiliation(s)
- Jiao Liu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Yue Chen
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Wen-Qiu Wang
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Ji-Hong Liu
- Key Laboratory of Horticultural Plant Biology, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, PR China
| | - Chang-Qing Zhu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Yun-Peng Zhong
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, PR China
| | - Hui-Qin Zhang
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, PR China.
| | - Xiao-Fen Liu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China.
| | - Xue-Ren Yin
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
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Zhao Q, Yang Q, Wang Z, Sui Y, Wang Q, Liu J, Zhang H. Analysis of long non-coding RNAs and mRNAs in harvested kiwifruit in response to the yeast antagonist, Wickerhamomyces anomalus. Comput Struct Biotechnol J 2021; 19:5589-5599. [PMID: 34849193 PMCID: PMC8601023 DOI: 10.1016/j.csbj.2021.09.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/27/2021] [Accepted: 09/30/2021] [Indexed: 01/03/2023] Open
Abstract
W. anomalus exhibits good
biocontrol activity against blue and gray mold on
kiwifruit. LncRNAs in kiwifruit may be involved in activating
plant hormone signal transduction pathways in response to the
biocontrol yeast. LncRNAs in kiwifruit may modulate the production of
related TFs and secondary metabolites. The expression of downstream defense-related genes
in kiwifruit increases in response to the application of the
biocontrol yeast.
Biological control utilizing antagonistic yeasts is an
effective method for controlling postharvest diseases. Long non-coding RNAs
(lncRNAs) have been found to be involved in a variety of plant growth and
development processes, including those associated with plant disease resistance.
In the present study, the yeast antagonist, Wickerhamomyces
anomalus, was found to strongly inhibit postharvest blue mold
(Penicillium expansum) and gray mold
(Botrytis cinerea) decay of kiwifruit. Additionally,
lncRNA high-throughput sequencing and bioinformatic analysis was used to
identify lncRNAs in W. anomalus-treated wounds in
kiwifruit and predict their function based on putative target genes. Our results
indicate that lncRNAs may be involved in increasing ethylene (ET), jasmonic acid
(JA), abscisic acid (ABA), and auxin (IAA) levels, as well as activating signal
transduction pathways that regulate the expression of several transcription
factors (WRKY72, WRKY53,
JUB1AP2). These transcription factors (TFs) then
mediate the expression of downstream, defense-related genes
(ZAR1, PAD4, CCR4,
NPR4) and the synthesis of secondary metabolites, thus,
potentially enhancing disease resistance. Notably, by stimulating the
accumulation of antifungal compounds, such as phenols and lignin, disease
resistance in kiwifruit was enhanced. Our study provides new information on the
mechanism underlying the induction of disease resistance in kiwifruit by
W. anomalus, as well as a new disease resistance
strategy that can be used to enhance the defense response of fruit to pathogenic
fungi.
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Affiliation(s)
- Qianhua Zhao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Zhenshuo Wang
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Yuan Sui
- Chongqing Key Laboratory of Economic Plant Biotechnology, College of Landscape Architecture and Life Science/Institute of Special Plants, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, China
| | - Qi Wang
- Department of Plant Pathology, MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Jia Liu
- Chongqing Key Laboratory of Economic Plant Biotechnology, College of Landscape Architecture and Life Science/Institute of Special Plants, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, China
| | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
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Kou L, Zhu Z, Fajardo E, Bai Q, Redington C, Xiao H, Lequio M, Sham N, Wakefield MR, Fang Y. Harnessing the Power of Kiwifruit for Radiosensitization of Melanoma. Anticancer Res 2021; 41:5945-5951. [PMID: 34848448 DOI: 10.21873/anticanres.15413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/23/2021] [Accepted: 11/03/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND Melanoma is the deadliest variant of skin cancer and its incidence continues to increase. There are limited treatment options for advanced and metastatic cases of melanoma, despite advances in immunotherapy and chemotherapy. Melanoma is notorious as a radioresistant tumor. Previous studies found that phytochemicals, such as resveratrol and those found in green tea and blueberry, can sensitize various cancer cells, including melanoma, to radiotherapy. Our previous study also revealed that kiwifruit extract (KE) has antitumor activity to melanoma cells. This study was designed to expand upon our previous investigation and determine KE's potential as a radiosensitizer on CRL-11147 melanoma cancer cells and elucidate the possible mechanisms behind its potential. MATERIALS AND METHODS Proliferation and apoptosis of CRL-11147 melanoma cells under radiation therapy (RT) plus KE versus RT alone were investigated using Proliferative cell nuclear antigen (PCNA) staining, quick cell proliferation assay, clonogenic assay, and caspase-3 activity assay. Reverse transcription-polymerase chain reaction (RT-PCR) and immunohistochemistry (IHC) were then used to investigate the mechanisms behind the observed results. RESULTS The percentage of CRL-11147 colonies, PCNA staining intensity, and the optic density value of CRL-11147 cells decreased with RT/KE vs. RT alone. Relative caspase-3 activity was increased with RT/KE vs. RT alone. Increased expression of the anti-proliferative molecule p27 and pro-apoptotic molecule TRAILR1 correlated with the anti-tumor effect seen in the RT/KE group versus the RT alone group. CONCLUSION KE augments radiosensitivity of CRL-11147 by up-regulating both p27 and TRAILR1 to inhibit proliferation and increase apoptosis, respectively.
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Affiliation(s)
- Leon Kou
- HCA Healthcare/USF Morsani College of Medicine GME/St. Petersburg General Hospital, St. Petersburg, FL, U.S.A.,Department of Microbiology, Immunology & Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, U.S.A
| | - Ziwen Zhu
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Emerson Fajardo
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Qian Bai
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Chase Redington
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Huaping Xiao
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Marco Lequio
- Department of Microbiology, Immunology & Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, U.S.A.,Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Nelson Sham
- Department of Microbiology, Immunology & Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, U.S.A
| | - Mark R Wakefield
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
| | - Yujiang Fang
- Department of Microbiology, Immunology & Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, U.S.A.; .,Department of Surgery, University of Missouri School of Medicine, Columbia, MO, U.S.A
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Ekramian H, Saedi Asl M, Karimi M, Sheikholeslami Z, Pedram Nia A. Comparison the effect of fruits extract with fungal protease on waffle quality. J Food Sci Technol 2021; 58:4766-4774. [PMID: 34629541 PMCID: PMC8479050 DOI: 10.1007/s13197-021-04969-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 12/24/2020] [Accepted: 01/06/2021] [Indexed: 11/25/2022]
Abstract
The purpose of this study was investigated the effect of kiwifruit and fig extracts contain of protease enzyme as a natural additives in comparison with fungal protease enzyme on the sensory and quality properties of waffle. It was done by use of the one- way ANOVA design for three independent variables including: kiwifruit extract and fig extract (0.03 and 0.05%) and fungal protease enzyme (0.003 and 0.005%). These results suggest that pH, moisture, firmness, dough consistency, density, color and texture of waffles were improved by the addition of fungal protease enzyme and kiwifruit extract in comparison with fig extract. The dough Consistency (cm) was reduced by using protease enzyme from 8.95 ± 0.92 to 19.75 ± 1.03. The moisture content and dough density was reduced by using protease enzyme and the minim moisture and dough density was at waffle with 0.05% kiwifruit. The color index, SEM, hardness and extensibility were improved by using 0.005% protease enzyme and 0.05% kiwi fruit extract. The highest sensory properties were at sample with 0.05% kiwi fruit extract. The result demonstrated that the addition of 0.05% kiwifruit extract improved the quality of the waffle, and could replace by fungal protease enzyme for reduce cost in production.
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Affiliation(s)
- Hassan Ekramian
- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran
| | - Mohamadreza Saedi Asl
- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran
| | - Mahdi Karimi
- Agricultural Engineering Research Department, Khorasan Razavi Agricultural and Natural Resources Research Education Center, AREEO, Mashhad, Iran
| | - Zahra Sheikholeslami
- Agricultural Engineering Research Department, Khorasan Razavi Agricultural and Natural Resources Research Education Center, AREEO, Mashhad, Iran
| | - Ahmad Pedram Nia
- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran
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Chen Y, Shu P, Wang R, Du X, Xie Y, Du K, Deng H, Li M, Zhang Y, Grierson D, Liu M. Ethylene response factor AcERF91 affects ascorbate metabolism via regulation of GDP-galactose phosphorylase encoding gene (AcGGP3) in kiwifruit. Plant Sci 2021; 313:111063. [PMID: 34763857 DOI: 10.1016/j.plantsci.2021.111063] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 05/02/2023]
Abstract
Kiwifruit is known as 'the king of vitamin C' because of the high content of ascorbic acid (AsA) in the fruit. Deciphering the regulatory network and identification of the key regulators mediating AsA biosynthesis is vital for fruit nutrition and quality improvement. To date, however, the key transcription factors regulating AsA metabolism during kiwifruit developmental and ripening processes remains largely unknown. Here, we generated a putative transcriptional regulatory network mediating ascorbate metabolism by transcriptome co-expression analysis. Further studies identified an ethylene response factor AcERF91 from this regulatory network, which is highly co-expressed with a GDP-galactose phosphorylase encoding gene (AcGGP3) during fruit developmental and ripening processes. Through dual-luciferase reporter and yeast one-hybrid assays, it was shown that AcERF91 is able to bind and directly activate the activity of the AcGGP3 promoter. Furthermore, transient expression of AcERF91 in kiwifruit fruits resulted in a significant increase in AsA content and AcGGP3 transcript level, indicating a positive role of AcERF91 in controlling AsA accumulation via regulation of the expression of AcGGP3. Overall, our results provide a new insight into the regulation of AsA metabolism in kiwifruit.
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Affiliation(s)
- Yuan Chen
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Peng Shu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Ruochen Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Xiaofei Du
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Yue Xie
- Key Laboratory of Breeding and Utilization of Kiwifruit in Sichuan Province, Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Kui Du
- Key Laboratory of Breeding and Utilization of Kiwifruit in Sichuan Province, Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Heng Deng
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Mingzhang Li
- Key Laboratory of Breeding and Utilization of Kiwifruit in Sichuan Province, Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Yang Zhang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Don Grierson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, United Kingdom
| | - Mingchun Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, China.
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Wang X, Zeng Y, Nieuwenhuizen NJ, Atkinson RG. TPS-b family genes involved in signature aroma terpenes emission in ripe kiwifruit. Plant Signal Behav 2021; 16:1962657. [PMID: 34369306 PMCID: PMC8525989 DOI: 10.1080/15592324.2021.1962657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
Aroma is a critical factor influencing consumer acceptability of ripe fruit. When fruit are eaten, the aroma travels retronasally from the mouth into the olfactory receptors located in the nose after exhaling. In kiwifruit (Actinidia spp.), terpene volatiles such as α-terpinolene and 1,8-cineole have been shown to contribute to the characteristic aroma of ripe fruit. Notably, 1,8-cineole contributes a key floral/eucalyptus note to the aroma of ripe A. chinensis 'Hort16A' kiwifruit, based on sensory descriptive and discriminant analysis. Emission of α-terpinolene and 1,8-cineole in kiwifruit is induced by ethylene, and production peaks when fruit are at eating ripeness. Two monoterpene synthase TPS-b family genes have been isolated from the fruit of A. arguta and A. chinensis that produce α-terpinolene and 1,8-cineole, respectively. Here we discuss terpene volatiles with respect to fruit aroma and consumer sensory evaluation, analyze the gene structure and conserved motifs of TPS-b genes in published kiwifruit genomes and then construct a transcriptional regulatory network based on Actinidia TPS-b. These data provide further insights into the potential molecular mechanisms underlying signature monoterpene synthesis to improve flavor in kiwifruit.
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Affiliation(s)
- Xiaoyao Wang
- Key Laboratory of Horticultural Plant Biology, National R&D Centre for Citrus Preservation, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, P.R. China
| | - Yunliu Zeng
- Key Laboratory of Horticultural Plant Biology, National R&D Centre for Citrus Preservation, College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, P.R. China
| | | | - Ross G. Atkinson
- The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
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Li J, Fu S, Fan G, Li D, Yang S, Peng L, Pan S. Active compound identification by screening 33 essential oil monomers against Botryosphaeria dothidea from postharvest kiwifruit and its potential action mode. Pestic Biochem Physiol 2021; 179:104957. [PMID: 34802536 DOI: 10.1016/j.pestbp.2021.104957] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
The antifungal activity of postharvest kiwifruit against the pathogen Botryosphaeria dothidea was evaluated for 33 essential oil monomers. The possible mechanism for the known active compounds were further assessed in this study. The results show all the EO components exhibit inhibitory effects on the pathogen to different degrees except for Farnesol. Carbon chain length and C2-C3 double bonds had a great effect on the antifungal activities of aldehydes. Of all of these, carvacrol had the strongest antifungal activity with EC50 of 12.58 μL/L and EC90 of 22.08 μL/L. Carvacrol also exhibits significant inhibitory effects on the pathogen, both in vivo and in vitro. Carvacrol evidently alters the hyphal morphology of B. dothidea and severely damages cell membrane and inhibits the formation of lipid components on the membrane. As cell membrane permeability increases, intracellular homeostasis including ion and biomacromolecules were destroyed by carvacrol. Furthermore, carvacrol appears to significantly inhibit mitochondrial activity and respiration rates, resulting in cell death of B. dothidea. Our results provide evidence that carvacrol could be a very useful compound for controlling postharvest rot soft in kiwifruit.
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Affiliation(s)
- Jie Li
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. of, China
| | - Su Fu
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. of, China
| | - Gang Fan
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. of, China
| | - Dongmei Li
- Department of Microbiology/ Immunology, Georgetown University Medical Center, Washington, DC, 20057, USA
| | - Shuzhen Yang
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. of, China.
| | - Litao Peng
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. of, China.
| | - Siyi Pan
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. of, China
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Aleid IS, Alfheeaid HA, Aljutaily T, Alhomaid RM, Alharbi HF, Althwab SA, Abdel-Rahman HA, AlGeffari MA, Barakat H. Gastroprotective Effects of Spirulina platensis, Golden Kiwifruit Flesh, and Golden Kiwifruit Peel Extracts Individually or in Combination against Indomethacin-Induced Gastric Ulcer in Rats. Nutrients 2021; 13:nu13103499. [PMID: 34684501 PMCID: PMC8540802 DOI: 10.3390/nu13103499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 09/28/2021] [Accepted: 10/01/2021] [Indexed: 01/22/2023] Open
Abstract
This study was conducted to investigate the therapeutic effect of hydro-alcoholic extract of Spirulina platensis (SP), golden kiwifruit (Actinidia chinensis) flesh (KF), and golden kiwifruit peel (KP) individually or in combination (SFP) on indomethacin-induced gastric ulcer in rats. Negative control rats (GI) were orally administered distilled water in parallel with other treatments. The positive control rat group (GII) was administered 30 mg kg−1 indomethacin to induce gastric ulcers. The KF and KF extracts were used individually or together with SP in treating indomethacin-induced gastric ulcerated rat groups. Gastric ulcerated rat’s groups GIII, GIV, GV, GVI, and GVII were orally administered at 30 mg kg−1 rat body weight as total phenolic content (TPC) equivalent from SP, KF, KP, SPF extracts, and Lansoprazole (30 mg kg−1, as reference drug) daily up to 14 days, respectively. The relevant biochemical parameters, antioxidant biomarkers, and histopathological examination were examined. Remarkably, treating rats with SP, KF, KP, and SFP extracts markedly reduced gastric juice and stomach volume expansion induced by indomethacin. The SP significantly retrieved the pH of gastric juice to a regular rate compared to GI. The ulcer index (UI) was significantly attenuated by SP, KF, KP, and SFP administration. The protection index percentage (PI %) was 80.79, 54.51, 66.08, 75.74, and 74.86% in GIII, GIV, GV, GVI, and GVII, respectively. The gastric mucin content was significantly better attenuated by 95.7 in GIII compared to its content in GI. Lansoprazole increased mucin content by 80.3%, which was considerably lower than SP and SFP. SP, KF, KP, SFP, and Lansoprazole improved the reform of gastric mucosal-increased secreted mucus by 95.6, 61.3, 64.8, 103.1, and 80.2% in GIII, GIV, GV, GVI, and GVII, respectively. Interestingly, SFP efficiently increased vit. B12 level by 46.0% compared to other treatments. While Lansoprazole administrating did not significantly attenuate vit. B12 level. The SP and SFP improved iron and Hemoglobin (HB) levels depending on treatment. SP, KF, KP, and SFP significantly decreased the malondialdehyde (MDA) and increased reduced glutathione (GSH) as well as superoxide dismutase (SOD) levels in blood and stomach tissues. The most potent effect was observed with SP, and SFP was even better than Lansoprazole. Histopathologically, treating rats with SP extract showed a marked reduction of gastric damage and severity changes induced by indomethacin. KP was much better than KF in lessening gastric histopathological damages caused by indomethacin. SFP significantly alleviates gastric histopathological alterations. The lansoprazole-treated group (GVII) greatly relieved the gastric histopathological changes and recorded mild focal necrosis and desquamation of the mucosa in addition to mild oedema in the serosal layer. In conclusion, the presented results proved the antiulcer potential of SP and A. chinensis extracts against an indomethacin-induced gastric ulcer in rats, which may be due to their antioxidant and anti-inflammation efficiency. Thus, these data suggested that SP, KF, KP, and SFP extracts as natural and safe alternatives have a gastroprotective potential against indomethacin-induced gastric ulceration. The antioxidative and anti-inflammatory properties are probable mechanisms.
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Affiliation(s)
- Ibrahim S. Aleid
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
| | - Hani A. Alfheeaid
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
| | - Thamer Aljutaily
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
| | - Raghad M. Alhomaid
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
| | - Hend F. Alharbi
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
| | - Sami A. Althwab
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
| | - Hassan A. Abdel-Rahman
- Department of Physiology, Faculty of Veterinary Medicine, Sadat City University, Sadat City 32897, Egypt;
| | - Metab A. AlGeffari
- Family and Community Medicine Department, College of Medicine, Qassim University, Buraydah 51452, Saudi Arabia;
| | - Hassan Barakat
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (I.S.A.); (H.A.A.); (T.A.); (R.M.A.); (H.F.A.); (S.A.A.)
- Food Technology Department, Faculty of Agriculture, Benha University, Moshtohor 13736, Egypt
- Correspondence: or ; Tel.: +966-547141277
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Nieuwenhuizen NJ, Chen X, Pellan M, Zhang L, Guo L, Laing WA, Schaffer RJ, Atkinson RG, Allan AC. Regulation of wound ethylene biosynthesis by NAC transcription factors in kiwifruit. BMC Plant Biol 2021; 21:411. [PMID: 34496770 PMCID: PMC8425125 DOI: 10.1186/s12870-021-03154-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 08/02/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The phytohormone ethylene controls many processes in plant development and acts as a key signaling molecule in response to biotic and abiotic stresses: it is rapidly induced by flooding, wounding, drought, and pathogen attack as well as during abscission and fruit ripening. In kiwifruit (Actinidia spp.), fruit ripening is characterized by two distinct phases: an early phase of system-1 ethylene biosynthesis characterized by absence of autocatalytic ethylene, followed by a late burst of autocatalytic (system-2) ethylene accompanied by aroma production and further ripening. Progress has been made in understanding the transcriptional regulation of kiwifruit fruit ripening but the regulation of system-1 ethylene biosynthesis remains largely unknown. The aim of this work is to better understand the transcriptional regulation of both systems of ethylene biosynthesis in contrasting kiwifruit organs: fruit and leaves. RESULTS A detailed molecular study in kiwifruit (A. chinensis) revealed that ethylene biosynthesis was regulated differently between leaf and fruit after mechanical wounding. In fruit, wound ethylene biosynthesis was accompanied by transcriptional increases in 1-aminocyclopropane-1-carboxylic acid (ACC) synthase (ACS), ACC oxidase (ACO) and members of the NAC class of transcription factors (TFs). However, in kiwifruit leaves, wound-specific transcriptional increases were largely absent, despite a more rapid induction of ethylene production compared to fruit, suggesting that post-transcriptional control mechanisms in kiwifruit leaves are more important. One ACS member, AcACS1, appears to fulfil a dominant double role; controlling both fruit wound (system-1) and autocatalytic ripening (system-2) ethylene biosynthesis. In kiwifruit, transcriptional regulation of both system-1 and -2 ethylene in fruit appears to be controlled by temporal up-regulation of four NAC (NAM, ATAF1/2, CUC2) TFs (AcNAC1-4) that induce AcACS1 expression by directly binding to the AcACS1 promoter as shown using gel-shift (EMSA) and by activation of the AcACS1 promoter in planta as shown by gene activation assays combined with promoter deletion analysis. CONCLUSIONS Our results indicate that in kiwifruit the NAC TFs AcNAC2-4 regulate both system-1 and -2 ethylene biosynthesis in fruit during wounding and ripening through control of AcACS1 expression levels but not in leaves where post-transcriptional/translational regulatory mechanisms may prevail.
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Affiliation(s)
- Niels J. Nieuwenhuizen
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
- School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, 1142 New Zealand
| | - Xiuyin Chen
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - Mickaël Pellan
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - Lei Zhang
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
- Institute of Fruit and Tea, Hubei Academy of Agricultural Sciences, Wuhan, 430064 China
| | - Lindy Guo
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | | | - Robert J. Schaffer
- School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, 1142 New Zealand
- PFR, 55 Old Mill Road, RD 3, Motueka, 7198 New Zealand
| | - Ross G. Atkinson
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - Andrew C. Allan
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
- School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, 1142 New Zealand
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Sun S, Lin M, Qi X, Chen J, Gu H, Zhong Y, Sun L, Muhammad A, Bai D, Hu C, Fang J. Full-length transcriptome profiling reveals insight into the cold response of two kiwifruit genotypes (A. arguta) with contrasting freezing tolerances. BMC Plant Biol 2021; 21:365. [PMID: 34380415 PMCID: PMC8356467 DOI: 10.1186/s12870-021-03152-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 08/02/2021] [Indexed: 05/16/2023]
Abstract
BACKGROUND Kiwifruit (Actinidia Lindl.) is considered an important fruit species worldwide. Due to its temperate origin, this species is highly vulnerable to freezing injury while under low-temperature stress. To obtain further knowledge of the mechanism underlying freezing tolerance, we carried out a hybrid transcriptome analysis of two A. arguta (Actinidi arguta) genotypes, KL and RB, whose freezing tolerance is high and low, respectively. Both genotypes were subjected to - 25 °C for 0 h, 1 h, and 4 h. RESULTS SMRT (single-molecule real-time) RNA-seq data were assembled using the de novo method, producing 24,306 unigenes with an N50 value of 1834 bp. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of DEGs showed that they were involved in the 'starch and sucrose metabolism', the 'mitogen-activated protein kinase (MAPK) signaling pathway', the 'phosphatidylinositol signaling system', the 'inositol phosphate metabolism', and the 'plant hormone signal transduction'. In particular, for 'starch and sucrose metabolism', we identified 3 key genes involved in cellulose degradation, trehalose synthesis, and starch degradation processes. Moreover, the activities of beta-GC (beta-glucosidase), TPS (trehalose-6-phosphate synthase), and BAM (beta-amylase), encoded by the abovementioned 3 key genes, were enhanced by cold stress. Three transcription factors (TFs) belonging to the AP2/ERF, bHLH (basic helix-loop-helix), and MYB families were involved in the low-temperature response. Furthermore, weighted gene coexpression network analysis (WGCNA) indicated that beta-GC, TPS5, and BAM3.1 were the key genes involved in the cold response and were highly coexpressed together with the CBF3, MYC2, and MYB44 genes. CONCLUSIONS Cold stress led various changes in kiwifruit, the 'phosphatidylinositol signaling system', 'inositol phosphate metabolism', 'MAPK signaling pathway', 'plant hormone signal transduction', and 'starch and sucrose metabolism' processes were significantly affected by low temperature. Moreover, starch and sucrose metabolism may be the key pathway for tolerant kiwifruit to resist low temperature damages. These results increase our understanding of the complex mechanisms involved in the freezing tolerance of kiwifruit under cold stress and reveal a series of candidate genes for use in breeding new cultivars with enhanced freezing tolerance.
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Affiliation(s)
- Shihang Sun
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Miaomiao Lin
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Xiujuan Qi
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Jinyong Chen
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Hong Gu
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Yunpeng Zhong
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Leiming Sun
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Abid Muhammad
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Danfeng Bai
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Chungen Hu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Jinbao Fang
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China.
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Gan Z, Yuan X, Shan N, Wan C, Chen C, Xu Y, Xu Q, Chen J. AcWRKY40 mediates ethylene biosynthesis during postharvest ripening in kiwifruit. Plant Sci 2021; 309:110948. [PMID: 34134847 DOI: 10.1016/j.plantsci.2021.110948] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 02/07/2023]
Abstract
WRKY transcription factors belong to a superfamily that is involved in many important biological processes, including plant development and senescence. However, little is known about the transcriptional regulation mechanisms of WRKY genes involved in kiwifruit postharvest ripening. Here, we isolated a WRKY gene from the kiwifruit genome and named it AcWRKY40. AcWRKY40 is a nucleus-localized protein that possesses transcriptional activation activity. The expression of AcWRKY40 was detected, and the gene responded to ethylene treatment during kiwifruit postharvest ripening, indicating its involvement in this process at the transcriptional level. We found multiple cis-acting elements related to maturation and senescence in the AcWRKY40 promoter. GUS activity analysis showed that its promoter activity was induced by exogenous ethylene. Yeast one-hybrid and dual-luciferase assays demonstrated that AcWRKY40 binds to the promoters of AcSAM2, AcACS1, and AcACS2 to activate them. In addition, transient transformations showed that AcWRKY40 enhances the expression of AcSAM2, AcACS1, and AcACS2. Taken together, these results suggest that AcWRKY40 is involved in kiwifruit postharvest ripening, possibly by regulating the expression of genes related to ethylene biosynthesis, thus deepening our understanding of the regulatory mechanisms of WRKY transcription factors in fruit ripening.
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Affiliation(s)
- Zengyu Gan
- Jiangxi Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Jiangxi Agricultural University, Nanchang, 330045, China; Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Xin Yuan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Nan Shan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Chunpeng Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Chuying Chen
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Yunhe Xu
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Qin Xu
- Agriculture and Rural Bureau of Gongcheng Yao Autonomous County, Guilin, 542500, China
| | - Jinyin Chen
- Jiangxi Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Jiangxi Agricultural University, Nanchang, 330045, China; Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables, Jiangxi Agricultural University, Nanchang, 330045, China; College of Materials and Chemical Engineering, Pingxiang University, Pingxiang, 330075, China.
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D'Amelio CM, Bernad A, García-Figueroa BE, Garrido-Fernández S, Azofra J, Beristain A, Bueno-Díaz C, Garrido-Arandia M, Gastaminza G, Ferrer M, Díaz Perales A, Villalba M, Goikoetxea MJ. Unraveling Kiwifruit Allergy Diagnosis: Usefulness of the Current Diagnostic Tests. J Investig Allergol Clin Immunol 2021; 32:206-212. [PMID: 33830040 DOI: 10.18176/jiaci.0691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVES To determine the usefulness of the in vitro and in vivo methods used in the diagnosis of kiwifruit allergy, focusing on the impact of the seed proteins on their sensitivity. MATERIAL AND METHODS Skin prick tests (SPTs) using different commercial extracts, homemade pulp and seed extracts, and prick-prick test with kiwifruit were performed on 36 allergic patients. The presence of specific IgE (sIgE) was assessed using ImmunoCAP (kiwifruit extract), ELISA (Act d 1, Act d 2), ISAC and FABER assays. Immunoblotting of seed extract was carried out, and a single blinded oral food challenge with whole seeds was performed in seed-sensitized subjects. RESULTS The prick prick test with kiwifruit demonstrated the highest diagnostic capacity (81.8% sensitivity and 94.1% specificity) among the in vivo tests. The sIgE levels measured by ImmunoCAP-kiwifruit extract showed a similar sensitivity to that of global ISAC and FABER (63.9%, 59.5% and 58.3%, respectively). Act d 1 was the major allergen, and sensitization to it was associated with positive sIgE to whole kiwifruit extract detected by ImmunoCAP (p <0.000). A positive SPT with kiwifruit seeds was associated with severe symptoms with kiwifruit (p = 0.019) as a marker of an advanced disease, but not with clinically relevant sensitization. The challenge to kiwifruit seeds performed on eight seed-sensitized patients resulted negative. CONCLUSION Sensitization to Act d 1 is related to a positive result in conventional diagnostic techniques, whereas kiwifruit seed sensitization does not increase the sensitivity of the evaluated diagnostic techniques.
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Affiliation(s)
- C M D'Amelio
- Allergology Department, Clínica Universidad de Navarra, Pamplona, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD 1600060031 of the ISCIII. Madrid, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Spain
| | - A Bernad
- Allergology Department, Clínica Universidad de Navarra, Pamplona, Spain.,Allergology, Service of Fundación Hospital Calahorra, Calahorra, Spain
| | - B E García-Figueroa
- Member of the Spanish Research Network on Allergies (ARADyAL) RD 1600060031 of the ISCIII. Madrid, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Spain.,Allergology Department, Complejo Hospitalario de Navarra, Pamplona, Spain
| | | | - J Azofra
- Allergology Department, Hospital Universitario Central de Asturias, Asturias, Spain
| | - A Beristain
- Allergology Department, Hospital Universitario Central de Asturias, Asturias, Spain
| | - C Bueno-Díaz
- Department of Biochemistry and Molecular Biology, Faculty of Chemical Sciences, Universidad Complutense de Madrid, Madrid, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD1600060014 of the ISCIII, Madrid, Spain
| | - M Garrido-Arandia
- Department of Biotechnology and Plant Biology, Universidad Politécnica de Madrid, Madrid, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD160006003 of the ISCIII, Madrid, Spain
| | - G Gastaminza
- Allergology Department, Clínica Universidad de Navarra, Pamplona, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD 1600060031 of the ISCIII. Madrid, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Spain
| | - M Ferrer
- Allergology Department, Clínica Universidad de Navarra, Pamplona, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD 1600060031 of the ISCIII. Madrid, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Spain
| | - A Díaz Perales
- Department of Biotechnology and Plant Biology, Universidad Politécnica de Madrid, Madrid, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD160006003 of the ISCIII, Madrid, Spain
| | - M Villalba
- Department of Biochemistry and Molecular Biology, Faculty of Chemical Sciences, Universidad Complutense de Madrid, Madrid, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD1600060014 of the ISCIII, Madrid, Spain
| | - M J Goikoetxea
- Allergology Department, Clínica Universidad de Navarra, Pamplona, Spain.,Member of the Spanish Research Network on Allergies (ARADyAL) RD 1600060031 of the ISCIII. Madrid, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Spain
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45
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Liu Y, Ma Y, Feng T, Luo J, Sameen DE, Hossen MA, Dai J, Li S, Qin W. Development and characterization of aldehyde-sensitive cellulose/chitosan/beeswax colorimetric papers for monitoring kiwifruit maturity. Int J Biol Macromol 2021; 187:566-574. [PMID: 34303743 DOI: 10.1016/j.ijbiomac.2021.07.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/20/2021] [Accepted: 07/20/2021] [Indexed: 10/20/2022]
Abstract
In this study, we developed an in-package colorimetric paper to monitor the ripeness of kiwifruit by detecting the release of aldehydes. Strongly hydrophobic composite films were prepared using chitosan as the matrix and beeswax as an additive. A piece of cellulose paper containing methyl red and bromocresol violet as color indicators was heat-sealed between two hydrophobic films to protect the indicators from the effects of fruit respiration and transpiration. The nucleophilic addition reaction between aldehydes and OH- (Cannizzaro reaction) changes the pH in the paper and triggers a color change in the indicators. As the kiwifruit ripens, the colorimetric paper changes from bluish-purple to dark red and then gradually to red. A mobile phone application was further used to measure the RGB values and link them to kiwifruit ripeness. This intelligent paper can be used for the accurate and convenient monitoring of produce in real time.
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Affiliation(s)
- Yaowen Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China.
| | - Yanlan Ma
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Tan Feng
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Jie Luo
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Dur E Sameen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Md Alomgir Hossen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Jianwu Dai
- College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Yaan 625014, China
| | - Suqing Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Wen Qin
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China.
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46
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Macnee N, Hilario E, Tahir J, Currie A, Warren B, Rebstock R, Hallett IC, Chagné D, Schaffer RJ, Bulley SM. Peridermal fruit skin formation in Actinidia sp. ( kiwifruit) is associated with genetic loci controlling russeting and cuticle formation. BMC Plant Biol 2021; 21:334. [PMID: 34261431 PMCID: PMC8278711 DOI: 10.1186/s12870-021-03025-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 05/10/2021] [Indexed: 05/10/2023]
Abstract
BACKGROUND The skin (exocarp) of fleshy fruit is hugely diverse across species. Most fruit types have a live epidermal skin covered by a layer of cuticle made up of cutin while a few create an outermost layer of dead cells (peridermal layer). RESULTS In this study we undertook crosses between epidermal and peridermal skinned kiwifruit, and showed that epidermal skin is a semi-dominant trait. Furthermore, backcrossing these epidermal skinned hybrids to a peridermal skinned fruit created a diverse range of phenotypes ranging from epidermal skinned fruit, through fruit with varying degrees of patches of periderm (russeting), to fruit with a complete periderm. Quantitative trait locus (QTL) analysis of this population suggested that periderm formation was associated with four loci. These QTLs were aligned either to ones associated with russet formation on chromosome 19 and 24, or cuticle integrity and coverage located on chromosomes 3, 11 and 24. CONCLUSION From the segregation of skin type and QTL analysis, it appears that skin development in kiwifruit is controlled by two competing factors, cuticle strength and propensity to russet. A strong cuticle will inhibit russeting while a strong propensity to russet can create a continuous dead skinned periderm.
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Affiliation(s)
- Nikolai Macnee
- The New Zealand Institute for Plant and Food Research Ltd. (PFR), Private Bag 92169, Auckland, 1142, New Zealand
- School of Biological Science, The University of Auckland, Auckland, 1146, New Zealand
| | - Elena Hilario
- The New Zealand Institute for Plant and Food Research Ltd. (PFR), Private Bag 92169, Auckland, 1142, New Zealand
| | - Jibran Tahir
- PFR, Private Bag 11600, Palmerston North, 4442, New Zealand
| | | | - Ben Warren
- The New Zealand Institute for Plant and Food Research Ltd. (PFR), Private Bag 92169, Auckland, 1142, New Zealand
| | - Ria Rebstock
- The New Zealand Institute for Plant and Food Research Ltd. (PFR), Private Bag 92169, Auckland, 1142, New Zealand
| | - Ian C Hallett
- The New Zealand Institute for Plant and Food Research Ltd. (PFR), Private Bag 92169, Auckland, 1142, New Zealand
| | - David Chagné
- PFR, Private Bag 11600, Palmerston North, 4442, New Zealand
| | - Robert J Schaffer
- School of Biological Science, The University of Auckland, Auckland, 1146, New Zealand
- PFR, 55 Old Mill Road, RD3, Motueka, 7198, New Zealand
| | - Sean M Bulley
- PFR, 412 No 1 Road RD 2, Te Puke, 3182, New Zealand.
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47
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Jin M, Gan S, Jiao J, He Y, Liu H, Yin X, Zhu Q, Rao J. Genome-wide analysis of the bZIP gene family and the role of AchnABF1 from postharvest kiwifruit (Actinidia chinensis cv. Hongyang) in osmotic and freezing stress adaptations. Plant Sci 2021; 308:110927. [PMID: 34034875 DOI: 10.1016/j.plantsci.2021.110927] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 04/17/2021] [Accepted: 04/25/2021] [Indexed: 05/21/2023]
Abstract
Chilling injury (CI) is a barrier to the refrigeration of kiwifruit, resulting in decreased fruit quality and increased nutrient loss during storage. Understanding the molecular basis underlying the cold response and its regulation in refrigerated kiwifruit is therefore highly important. Basic (region) leucine zipper (bZIP) transcription factors (TFs) have been widely studied for their roles in abiotic stress resistance in various species. In this study, we identified 81 bZIP family proteins in kiwifruit and classified them into 11 groups. Further transcriptome analysis revealed that the expression of members of the AREB/ABF family was strongly induced by low temperature and abscisic acid (ABA). Ectopic expression of AchnABF1 enhanced plant cold tolerance by upregulating the expression of several key genes associated with ABA-dependent and ABA-independent pathways in Arabidopsis thaliana. Reactive oxygen species (ROS) metabolism was suggested to be involved in the AchnABF1-mediated osmotic stress response. For instance, enhanced ROS-scavenging ability was observed in transgenic plants with enhanced activity of catalase (CAT) and peroxidase (POD), which resulted in decreased in situ O2.- and H2O2 accumulation, ion leakage, and malondialdehyde (MDA) content under various abiotic stresses. In addition, AchnABF1 also participated in the osmotic stress response during both the germination and postgermination stages. We concluded that AchnABF1 may play an important role in kiwifruit during refrigeration.
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Affiliation(s)
- Mijing Jin
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Sufu Gan
- Biotechnology of Horticultural Crops, TUM School for Life Sciences Weihenstephan, Technische Universität München, Freising, D-85354, Germany
| | - Jianqing Jiao
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yiheng He
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hui Liu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xueren Yin
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, China
| | - Qinggang Zhu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Jingping Rao
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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48
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Li YF, Jiang W, Liu C, Fu Y, Wang Z, Wang M, Chen C, Guo L, Zhuang QG, Liu ZB. Comparison of fruit morphology and nutrition metabolism in different cultivars of kiwifruit across developmental stages. PeerJ 2021; 9:e11538. [PMID: 34221713 PMCID: PMC8234916 DOI: 10.7717/peerj.11538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 05/10/2021] [Indexed: 02/05/2023] Open
Abstract
Kiwifruit (Actinidia) is becoming increasingly popular worldwide due to its favorable flavour and high vitamin C content. However, quality parameters vary among cultivars. To determine the differences in quality and metabolic parameters of kiwifruit, we monitored the growth processes of 'Kuilv' (Actinidia arguta), 'Hongyang' (Actinidia chinensis) and 'Hayward' (Actinidia deliciosa). We found that 'Kuilv' required the shortest time for fruit development, while 'Hayward' needed the longest time to mature. The fruit size of 'Hayward' was the largest and that of 'Kuilv' was the smallest. Furthermore, 'Hongyang' showed a double-S shape of dry matter accumulation, whereas 'Kuilv' and 'Hayward' showed a linear or single-S shape pattern of dry matter accumulation during development. The three cultivars demonstrated the same trend for total soluble solids accumulation, which did not rise rapidly until 90-120 days after anthesis. However, the accumulation of organic acids and soluble sugars varied among the cultivars. During later fruit development, the content of glucose, fructose and quinic acid in 'Kuilv' fruit was far lower than that in 'Hongyang' and 'Hayward'. On the contrary, 'Kuilv' had the highest sucrose content among the three cultivars. At maturity, the antioxidative enzymatic systems were significantly different among the three kiwifruit cultivars. 'Hongyang' showed higher activities of superoxide dismutase than the other cultivars, while the catalase content of 'Hayward' was significantly higher than that of 'Hongyang' and 'Kuilv'. These results provided knowledge that could be implemented for the marketing, handling and post-harvest technologies of the different kiwifruit cultivars.
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Affiliation(s)
- Yu-fei Li
- Sichuan University, Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Chengdu, China
| | - Weijia Jiang
- West China Medical Publishers, West China Hospital of Sichuan University, Chengdu, China
| | - Chunhong Liu
- Sichuan University, Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Chengdu, China
| | - Yuqi Fu
- Sichuan University, Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Chengdu, China
| | - Ziyuan Wang
- Sichuan University, Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Chengdu, China
| | - Mingyuan Wang
- Sichuan University, Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Chengdu, China
| | - Cun Chen
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu, China
| | - Li Guo
- College of Chemistry and Life Sciences, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources, Chengdu Normal University, Chengdu, China
| | - Qi-guo Zhuang
- Kiwifruit Breeding and Utilization Key Laboratory, Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Zhi-bin Liu
- Sichuan University, Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Chengdu, China
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49
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Castro H, Siopa C, Casais V, Castro M, Loureiro J, Gaspar H, Dias MC, Castro S. Spatiotemporal Variation in Pollination Deficits in an Insect-Pollinated Dioecious Crop. Plants (Basel) 2021; 10:plants10071273. [PMID: 34206665 PMCID: PMC8309125 DOI: 10.3390/plants10071273] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/09/2021] [Accepted: 06/18/2021] [Indexed: 11/16/2022]
Abstract
Inadequate quantity and quality of pollen reaching the stigmas decreases the sexual reproductive output of plants, compromising yield. Still, the current extent of pollen limitation affecting yield (i.e., pollination deficits) is poorly quantified. This study is aimed at quantifying pollination deficits in kiwifruit orchards, a dioecious plant with a fruit caliber and market value largely dependent on pollination services. For that, we set up a pollination experiment and quantified services and yield provided by current pollination vectors, and under optimal pollination, over two years in a total of twenty-three orchards covering the kiwifruit production range in Portugal. We characterized nine fruit traits and used: (1) fruit weight to calculate pollination deficits and relate them with pollinator diversity and abundance, and environmental variables; and (2) production values, fruit caliber, and market values to calculate economic impact of pollination deficits. Results showed that pollination deficits were variable in time and space and were significantly and negatively correlated with pollinator abundance, while the opposite pattern was obtained for production, supporting the notion that a higher pollinator's abundance is related to lower pollination deficits and higher yields. Understanding the factors affecting pollination deficits is crucial to depict the need for nature-based solutions promoting pollinators and to resort to management practices assisting pollination.
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50
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Zhu D, Ping L, Qian R, Chen C, Hong Y, Tong Z, Yang X. Dissipation behavior, residue dynamics, and dietary risk assessment of forchlorfenuron in postharvest kiwifruits during simulated cold chain logistics and store shelf life. Environ Sci Pollut Res Int 2021; 28:20002-20011. [PMID: 33410058 DOI: 10.1007/s11356-020-11803-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/23/2020] [Indexed: 06/12/2023]
Abstract
Forchlorfenuron (CPPU) is often applied during the cultivation of kiwifruit to produce larger fruit. To address degradation patterns of CPPU during simulated cold chain logistics and simulated shelf life of the fruit after harvest, appropriate storage methods and safe consumption behavior can be investigated. In this study, an ultra-high-performance liquid chromatography-tandem mass spectrometry method was adopted to detect CPPU residues under different conditions. CPPU in kiwifruit stored at 6 °C had a half-life of 40.8-77.0 days. However, when kiwifruit was stored at 0 °C under simulated cold chain storage conditions, the half-life of CPPU was 63.0-115.5 days, implying that lower storage temperatures can reduce the degradation rate of CPPU. The residues of CPPU in kiwifruit pulp declined with time, and the reduction followed the first-order kinetics equation. More CPPU residues were present in the pulp of postharvest kiwifruit treated with exogenous ethylene than in the pulp of untreated kiwifruit. Thus, using exogenous ethylene for artificial ripening after harvest is not recommended. We determined that the appropriate cold chain storage temperature is 6 °C. It is recommended that the public select kiwifruit stored for at least 2 weeks. The estimated chronic and acute dietary risk quotients of CPPU are ≤ 0.79% and ≤ 0.11%, respectively. Therefore, it is highly unlikely that consumers will be poisoned by CPPU due to kiwifruit consumption. Our results provide scientific evidence regarding the adoption of appropriate kiwifruit storage methods and consumption behavior to enhance consumption safety.
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Affiliation(s)
- Difeng Zhu
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China
| | - Li Ping
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China
| | - Renyun Qian
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China
| | - Chao Chen
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China
| | - Yawen Hong
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China
| | - Zhenxuan Tong
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China
| | - Xiaochun Yang
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China.
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