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Liu D, Jiang N, Yuan Y, Liu H, Ju Y, Sun W, Jia W, Fang Y, Zhao D, Mao J, Kang L. Comprehensive analysis of transcriptomics and metabolomics provides insights into the mechanism by plant growth regulators affect the quality of jujube (Ziziphus jujuba Mill.) fruit. PLoS One 2024; 19:e0305185. [PMID: 39178226 PMCID: PMC11343422 DOI: 10.1371/journal.pone.0305185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 05/26/2024] [Indexed: 08/25/2024] Open
Abstract
A comprehensively analysis of the transcriptomics and metabolomics was conducted to investigate the mechanism of plant growth regulators on the quality of jujube fruit. After the application of plant growth regulators, a total of 3097 differentially expressed genes (DEGs) were identified, which were mainly annotated in 123 pathways such as flavonoid biosynthesis, metabolism of alanine, aspartate, and glutamate. In addition, 1091 differential expressed metabolites (DEMs), including 519 up-regulated and 572 down-regulated metabolites, were significantly altered after application of plant growth regulators. DEGs and DEMs simultaneously annotated 69 metabolic pathways, including biosynthesis of phenylpropane, flavonoid, starch and sucrose. The key genes in flavonoid biosynthesis pathway were revealed, which may play an important role in plant growth regulator regulation quality of jujube fruit. Besides, the application of plant growth regulator during the jujube flowering period increased the contents of gibberellin and indole-3-acetic acid in leaves, and decreased the contents of abscisic acid. The results may help to reveal the metabolic network and molecular mechanism of plant growth regulators in jujube fruit.
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Affiliation(s)
- Defen Liu
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
- Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, State Key Laboratory of Desert and Oasis Ecology, Chinese Academy of Sciences, Urumqi, China
| | - Na Jiang
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
| | - Yuting Yuan
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
- Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, State Key Laboratory of Desert and Oasis Ecology, Chinese Academy of Sciences, Urumqi, China
| | - Hejiang Liu
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
| | - Yanjun Ju
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
| | - Wanjin Sun
- Social Affairs Service Center of the Eighth Regiment of the First Division of Xinjiang Production and Construction Corps, Alar, China
| | - Wenzhao Jia
- Agricultural Development Service Center of the Eighth Regiment of the First Division of Xinjiang Production and Construction Corps, Alar, China
| | - Yi Fang
- Agricultural Development Service Center of the Eighth Regiment of the First Division of Xinjiang Production and Construction Corps, Alar, China
| | - Duoyong Zhao
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
| | - Jiefei Mao
- College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, China
| | - Lu Kang
- Xinjiang Academy of Agricultural Sciences Institute of Agricultural Quality Standards and Testing Technology/Xinjiang Key Laboratory of Agricultural Product Quality and Safety, Urumqi, China
- College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, China
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2
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Wang X, Liu Z, Zhang F, Xiao H, Cao S, Xue H, Liu W, Su Y, Liu Z, Zhong H, Zhang F, Ahmad B, Long Q, Zhang Y, Liu Y, Gan Y, Hou T, Jin Z, Wu X, Liu G, Wang Y, Peng Y, Zhou Y. Integrative genomics reveals the polygenic basis of seedlessness in grapevine. Curr Biol 2024; 34:3763-3777.e5. [PMID: 39094571 DOI: 10.1016/j.cub.2024.07.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 05/04/2024] [Accepted: 07/03/2024] [Indexed: 08/04/2024]
Abstract
Seedlessness is a crucial quality trait in table grape (Vitis vinifera L.) breeding. However, the development of seeds involved intricate regulations, and the polygenic basis of seed abortion remains unclear. Here, we combine comparative genomics, population genetics, quantitative genetics, and integrative genomics to unravel the evolution and polygenic basis of seedlessness in grapes. We generated the haplotype-resolved genomes for two seedless grape cultivars, "Thompson Seedless" (TS, syn. "Sultania") and "Black Monukka" (BM). Comparative genomics identified a ∼4.25 Mb hemizygous inversion on Chr10 specific in seedless cultivars, with seedless-associated genes VvTT16 and VvSUS2 located at breakpoints. Population genomic analyses of 548 grapevine accessions revealed two distinct clusters of seedless cultivars, and the identity-by-descent (IBD) results indicated that the origin of the seedlessness trait could be traced back to "Sultania." Introgression, rather than convergent selection, shaped the evolutionary history of seedlessness in grape improvement. Genome-wide association study (GWAS) analysis identified 110 quantitative trait loci (QTLs) associated with 634 candidate genes, including previously unidentified candidate genes, such as three 11S GLOBULIN SEED STORAGE PROTEIN and two CYTOCHROME P450 genes, and well-known genes like VviAGL11. Integrative genomic analyses resulted in 339 core candidate genes categorized into 13 functional categories related to seed development. Machine learning-based genomic selection achieved a remarkable prediction accuracy of 97% for seedlessness in grapevines. Our findings highlight the polygenic nature of seedlessness and provide candidate genes for molecular genetics and an effective prediction for seedlessness in grape genomic breeding.
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Affiliation(s)
- Xu Wang
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China; School of Agriculture and Food Science, University College Dublin, Belfield, Dublin, Ireland
| | - Zhongjie Liu
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Fan Zhang
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Hua Xiao
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Shuo Cao
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Hui Xue
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Wenwen Liu
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Ying Su
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Zhenya Liu
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Haixia Zhong
- The State Key Laboratory of Genetic Improvement and Germplasm Innovation of Crop Resistance in Arid Desert Regions (Preparation), Key Laboratory of Genome Research and Genetic Improvement of Xinjiang Characteristic Fruits and Vegetables, Institute of Horticultural Crops, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Fuchun Zhang
- The State Key Laboratory of Genetic Improvement and Germplasm Innovation of Crop Resistance in Arid Desert Regions (Preparation), Key Laboratory of Genome Research and Genetic Improvement of Xinjiang Characteristic Fruits and Vegetables, Institute of Horticultural Crops, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Bilal Ahmad
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Qiming Long
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yingchun Zhang
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yuting Liu
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yu Gan
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Ting Hou
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Zhongxin Jin
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Xinyu Wu
- The State Key Laboratory of Genetic Improvement and Germplasm Innovation of Crop Resistance in Arid Desert Regions (Preparation), Key Laboratory of Genome Research and Genetic Improvement of Xinjiang Characteristic Fruits and Vegetables, Institute of Horticultural Crops, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Guotian Liu
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yiwen Wang
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yanling Peng
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yongfeng Zhou
- National Key Laboratory of Tropical Crop Breeding, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China; National Key Laboratory of Tropical Crop Breeding, Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China.
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3
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Wang LL, Shi Q, Jing P, Wang R, Zhang H, Liu Y, Li C, Shi T, Zhang L, Yu YH. VlMYB4 and VlCDF3 co-targeted the VlLOG11 promoter to regulate fruit setting in grape (Vitis vinifera L). PLANT CELL REPORTS 2024; 43:194. [PMID: 39008131 DOI: 10.1007/s00299-024-03279-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 07/09/2024] [Indexed: 07/16/2024]
Abstract
KEY MESSAGE The VlLOG11 mediates the cytokinin signaling pathway to regulate grape fruit setting. Fruit set, as an accepted agronomic trait, is inextricably linked with fruit quality and yield. Previous studies have demonstrated that exogenous treatment with the synthetic cytokinin analog, forchlorfenuron (CPPU), significantly enhances fruit set. In this study, a significant reduction in endogenous cytokinins was found by measuring the content of cytokinins in young grape berries after CPPU treatment. LONELY GUYs (VlLOGs), a key cytokinin-activating enzyme working in the biosynthesis pathway of cytokinins, exhibited differential expression. Some differentially expressed VlLOGs genes were presented by RNA seq data and their functions and regulation patterns were further investigated. The results showed that VlLOG11 was differentially expressed in young grape berries after CPPU treatment. Overexpression of VlLOG11 in tomato increases the amount of fruit set, and upregulated the expression of genes associated with cytokinin signaling including SlHK4, SlHK5, SlHP3, SlHP4, SlPHP1, SlPHP2. VlMYB4 and VlCDF3 could regulate the expression of VlLOG11 by directly binding to its promoter in young grape berries during fruit set. These results strongly demonstrated that VlMYB4/VlCDF3-VlLOG11 regulatory module plays a key role in the process of fruit setting in grape. This provided a basis for the molecular mechanism of VlLOG11-mediated cytokinin biosynthesis in young grape fruit set.
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Affiliation(s)
- Lei Lei Wang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Qiaofang Shi
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Pengwei Jing
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Ruxin Wang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Haimeng Zhang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Yiting Liu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Chenyang Li
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Tizhen Shi
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Lixiang Zhang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China
| | - Yi-He Yu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan Province, 471023, China.
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Feng J, Zhang W, Wang W, Nieuwenhuizen NJ, Atkinson RG, Gao L, Hu H, Zhao W, Ma R, Zheng H, Tao J. Integrated Transcriptomic and Proteomic Analysis Identifies Novel Regulatory Genes Associated with Plant Growth Regulator-Induced Astringency in Grape Berries. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:4433-4447. [PMID: 38354220 DOI: 10.1021/acs.jafc.3c04408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Astringency influences the sensory characteristics and flavor quality of table grapes. We tested the astringency sensory attributes of berries and investigated the concentration of flavan-3-ols/proanthocyanidins (PAs) in skins after the application of the plant growth regulators CPPU and GA3 to the flowers and young berries of the "Summer Black" grape. Our results showed that CPPU and GA3 applications increase sensory astringency perception scores and flavan-3-ol/proanthocyanidin concentrations. Using integrated transcriptomic and proteomic analysis, differentially expressed transcripts and proteins associated with growth regulator treatment were identified, including those for flavonoid biosynthesis that contribute to the changes in sensory astringency levels. Transient overexpression of candidate astringency-related regulatory genes in grape leaves revealed that VvWRKY71, in combination with VvMYBPA1 and VvMYC1, could promote the biosynthesis of proanthocyanidins, while overexpression of VvNAC83 reduced the accumulation of proanthocyanidins. However, in transient promoter studies in Nicotiana benthamiana, VvWRKY71 repressed the promoter of VvMYBPA2, while VvNAC83 had no significant effect on the promoter activity of four PA-related genes, and VvMYBPA1 was shown to activate its own promoter. This study provides new insights into the molecular mechanisms of sensory astringency formation induced by plant growth regulators in grape berries.
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Affiliation(s)
- Jiao Feng
- College of Horticulture, Sanya Institute of Nanjing Agricultural University (NJAU), Nanjing 210095, China
| | - Wen Zhang
- Institute of Horticultural Crops, Xinjiang Academy of Agricultural Science, Urumqi,Xinjiang 830001, China
| | - Wu Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Niels J Nieuwenhuizen
- The New Zealand Institute for Plant and Food Research Ltd (PFR), Auckland 92169, New Zealand
| | - Ross G Atkinson
- The New Zealand Institute for Plant and Food Research Ltd (PFR), Auckland 92169, New Zealand
| | - Lei Gao
- College of Horticulture, Sanya Institute of Nanjing Agricultural University (NJAU), Nanjing 210095, China
| | - Haipeng Hu
- College of Horticulture, Sanya Institute of Nanjing Agricultural University (NJAU), Nanjing 210095, China
| | - Wanli Zhao
- College of Horticulture, Sanya Institute of Nanjing Agricultural University (NJAU), Nanjing 210095, China
| | - Ruiyang Ma
- College of Horticulture, Sanya Institute of Nanjing Agricultural University (NJAU), Nanjing 210095, China
| | - Huan Zheng
- College of Horticulture, Sanya Institute of Nanjing Agricultural University (NJAU), Nanjing 210095, China
| | - Jianmin Tao
- Institute of Horticultural Crops, Xinjiang Academy of Agricultural Science, Urumqi,Xinjiang 830001, China
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Zhu L, Liao Y, Lin K, Wu W, Duan L, Wang P, Xiao X, Zhang T, Chen X, Wang J, Ye K, Hu H, Xu ZF, Ni J. Cytokinin promotes anthocyanin biosynthesis via regulating sugar accumulation and MYB113 expression in Eucalyptus. TREE PHYSIOLOGY 2024; 44:tpad154. [PMID: 38123502 DOI: 10.1093/treephys/tpad154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023]
Abstract
Anthocyanins are flavonoid-like substances that play important roles in plants' adaptation to various environmental stresses. In this research, we discovered that cytokinin (CK) alone could effectively induce the anthocyanin biosynthesis in Eucalyptus and many other perennial woody plant species, but not in tobacco and Arabidopsis, suggesting a diverse role of CK in regulating anthocyanin biosynthesis in different species. Transcriptomic and metabolomic strategies were used to further clarify the specific role of CK in regulating anthocyanin biosynthesis in Eucalyptus. The results showed that 801 and 2241 genes were differentially regulated at 6 and 24 h, respectively, after CK treatment. Pathway analysis showed that most of the differentially expressed genes were categorized into pathways related to cellular metabolism or transport of metabolites, including amino acids and sugars. The metabolomic results well supported the transcriptome data, which showed that most of the differentially regulated metabolites were related to the metabolism of sugar, amino acids and flavonoids. Moreover, CK treatment significantly induced the accumulation of sucrose in the CK-treated leaves, while sugar starvation mimicked by either defoliation or shading treatment of the basal leaves significantly reduced the sugar increase of the CK-treated leaves and thus inhibited CK-induced anthocyanin biosynthesis. The results of in vitro experiment also suggested that CK-induced anthocyanin in Eucalyptus was sugar-dependent. Furthermore, we identified an early CK-responsive transcription factor MYB113 in Eucalyptus, the expression of which was significantly upregulated by CK treatment in Eucalyptus, but was inhibited in Arabidopsis. Importantly, the overexpression of EgrMYB113 in the Eucalyptus hairy roots was associated with significant anthocyanin accumulation and upregulation of most of the anthocyanin biosynthetic genes. In conclusion, our study demonstrates a key role of CK in the regulation of anthocyanin biosynthesis in Eucalyptus, providing a molecular basis for further understanding the regulatory mechanism and diversity of hormone-regulated anthocyanin biosynthesis in different plant species.
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Affiliation(s)
- Linhui Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Yuwu Liao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Kai Lin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Wenfei Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Lanjuan Duan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Pan Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Xian Xiao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Tingting Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Xin Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Jianzhong Wang
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Dongmen Forest Farm, Chongzuo 532108, China
| | - Kaiqin Ye
- Hefei Institute of Physical Sciences, Chinese Academy of Sciences, Hefei 230000, China
| | - Hao Hu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Zeng-Fu Xu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
| | - Jun Ni
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry, Guangxi University, Nanning 530004, China
- Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning 530004, China
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6
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Martinez-Alonso A, Yepes-Molina L, Guarnizo AL, Carvajal M. Modification of Gene Expression of Tomato Plants through Foliar Flavonoid Application in Relation to Enhanced Growth. Genes (Basel) 2023; 14:2208. [PMID: 38137030 PMCID: PMC10743138 DOI: 10.3390/genes14122208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/11/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
The exogenous application of phenolic compounds is increasingly recognized as a valuable strategy for promoting growth and mitigating the adverse effects of abiotic stress. However, the biostimulant effect under optimal conditions has not been thoroughly explored. In this study, we investigated the impact of foliar application of flavonoids, specifically CropBioLife (CBL), on tomato plants grown under controlled conditions. Our study focused on determining growth parameters, such as cell size, and assessing the concentration of hormones. Principal component analysis (PCA) from all physiological variables was determined. Additionally, we utilized high-throughput mRNA-sequencing technology and bioinformatic methodologies to robustly analyze the transcriptomes of tomato leaves regulated by flavonoids. The findings revealed that CBL primarily influenced cell enlargement by 60%, leading to increased growth. Furthermore, CBL-treated plants exhibited higher concentrations of the hormone zeatin, but lower concentrations of IAA (changes of 50%). Moreover, RNA-seq analysis indicated that CBL-treated plants required increased mineral transport and water uptake, as evidenced by gene expression patterns. Genes related to pathways such as fatty acid degradation, phenylpropanoid biosynthesis, and ABC transporters showed regulatory mechanisms governing internal flavonoid biosynthesis, transport, and tissue concentration, ultimately resulting in higher flavonoid concentrations in tomato leaves.
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Affiliation(s)
- Alberto Martinez-Alonso
- Aquaporins Group, Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS, CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain; (A.M.-A.); (L.Y.-M.)
| | - Lucia Yepes-Molina
- Aquaporins Group, Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS, CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain; (A.M.-A.); (L.Y.-M.)
| | - Angel L. Guarnizo
- Departamento de Biología Vegetal, Facultad de Biología, Universidad de Murcia, 30100 Murcia, Spain;
| | - Micaela Carvajal
- Aquaporins Group, Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS, CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain; (A.M.-A.); (L.Y.-M.)
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7
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Wu Y, Li X, Zhang W, Wang L, Li B, Wang S. Aroma profiling of Shine Muscat grape provides detailed insights into the regulatory effect of gibberellic acid and N-(2-chloro-4-pyridinyl)-N-phenylurea applications on aroma quality. Food Res Int 2023; 170:112950. [PMID: 37316003 DOI: 10.1016/j.foodres.2023.112950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 05/02/2023] [Accepted: 05/03/2023] [Indexed: 06/16/2023]
Abstract
As plant growth regulators, gibberellic acid (GA3) and CPPU [forchlorfenuron, N-(2-chloro-4-pyridinyl)-N-phenylurea] are widely used in the production of table grapes. However, how these compounds regulate the aroma quality remains unclear. By measuring free and bound aroma compounds in Shine Muscat grapes from eight groups during whole growth period, GA3 and CPPU were both found to significantly promote the synthesis of acyclic monoterpenes and (E)-2-hexenal, and double applications were found to further increase the aroma compound contents. On the other hand, GA3 and CPPU obviously promoted the expansion of berries, and the effect of promoting the synthesis of aroma compounds was largely diminished. In conclusion, free compound concentrations in berry were almost unaffected by GA3 and CPPU. From the perspective of aroma compounds, a highly concerted interplay was observed for terpenes, and bound compounds exhibited higher correlations than those of free compounds. In addition, 17 compounds could be used as markers that indicated the developmental timing of berries.
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Affiliation(s)
- Yusen Wu
- Shandong Academy of Grape, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Xiujie Li
- Shandong Academy of Grape, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Wenwen Zhang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China
| | - Lei Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China
| | - Bo Li
- Shandong Academy of Grape, Shandong Academy of Agricultural Sciences, Jinan 250100, China.
| | - Shiping Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China.
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8
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Dong Y, Gupta S, Wargent JJ, Putterill J, Macknight RC, Gechev TS, Mueller-Roeber B, Dijkwel PP. Comparative Transcriptomics of Multi-Stress Responses in Pachycladon cheesemanii and Arabidopsis thaliana. Int J Mol Sci 2023; 24:11323. [PMID: 37511083 PMCID: PMC10379395 DOI: 10.3390/ijms241411323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/26/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
The environment is seldom optimal for plant growth and changes in abiotic and biotic signals, including temperature, water availability, radiation and pests, induce plant responses to optimise survival. The New Zealand native plant species and close relative to Arabidopsis thaliana, Pachycladon cheesemanii, grows under environmental conditions that are unsustainable for many plant species. Here, we compare the responses of both species to different stressors (low temperature, salt and UV-B radiation) to help understand how P. cheesemanii can grow in such harsh environments. The stress transcriptomes were determined and comparative transcriptome and network analyses discovered similar and unique responses within species, and between the two plant species. A number of widely studied plant stress processes were highly conserved in A. thaliana and P. cheesemanii. However, in response to cold stress, Gene Ontology terms related to glycosinolate metabolism were only enriched in P. cheesemanii. Salt stress was associated with alteration of the cuticle and proline biosynthesis in A. thaliana and P. cheesemanii, respectively. Anthocyanin production may be a more important strategy to contribute to the UV-B radiation tolerance in P. cheesemanii. These results allowed us to define broad stress response pathways in A. thaliana and P. cheesemanii and suggested that regulation of glycosinolate, proline and anthocyanin metabolism are strategies that help mitigate environmental stress.
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Affiliation(s)
- Yanni Dong
- School of Natural Sciences, Massey University, Tennent Drive, Palmerston North 4474, New Zealand
| | - Saurabh Gupta
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Straße 24-25, Haus 20, 14476 Potsdam, Germany
| | - Jason J Wargent
- School of Agriculture & Environment, Massey University, Palmerston North 4442, New Zealand
| | - Joanna Putterill
- School of Biological Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Richard C Macknight
- Biochemistry Department, School of Biomedical Sciences, University of Otago, Dunedin 9016, New Zealand
| | - Tsanko S Gechev
- Center of Plant Systems Biology and Biotechnology (CPSBB), 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
- Department of Plant Physiology and Plant Molecular Biology, University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
| | - Bernd Mueller-Roeber
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Straße 24-25, Haus 20, 14476 Potsdam, Germany
- Center of Plant Systems Biology and Biotechnology (CPSBB), 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Paul P Dijkwel
- School of Natural Sciences, Massey University, Tennent Drive, Palmerston North 4474, New Zealand
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9
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Olmedo P, Núñez-Lillo G, Vidal J, Leiva C, Rojas B, Sagredo K, Arriagada C, Defilippi BG, Pérez-Donoso AG, Meneses C, Carpentier S, Pedreschi R, Campos-Vargas R. Proteomic and metabolomic integration reveals the effects of pre-flowering cytokinin applications on central carbon metabolism in table grape berries. Food Chem 2023; 411:135498. [PMID: 36696718 DOI: 10.1016/j.foodchem.2023.135498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/10/2023] [Accepted: 01/14/2023] [Indexed: 01/19/2023]
Abstract
Consumers around the world prefer high quality table grapes. To achieve higher quality traits at ripening, grapevine producers apply different plant growth regulators. The synthetic cytokinin forchlorfenuron N-(2-chloro-4-pyridinyl)-N'-phenylurea (CPPU) is widely used, its effect on grape quality is poorly understood. We hypothesized that the use of CPPU in pre-flowering can lead to changes in the metabolism that affects grape quality at harvest. Therefore, we investigated the role of CPPU applications on the quality of grapes by integrating proteomics and metabolomics. CPPU-treated grapevines showed a significant increase in berry size and firmness. Proteomic analyses indicated that CPPU-treated berries accumulated enzymes associated with carbohydrate metabolism, glycolysis, and tricarboxylic acid (TCA) cycle at harvest. Metabolomic analyses showed shifts in the abundance of compounds associated with carbohydrate metabolism and TCA cycle in CPPU-treated grapes. These findings suggest that CPPU applications modulate central carbon metabolism, improving grape berry quality.
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Affiliation(s)
- Patricio Olmedo
- Centro de Estudios Postcosecha, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago, Chile
| | - Gerardo Núñez-Lillo
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile
| | - Juan Vidal
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile
| | - Carol Leiva
- Centro de Estudios Postcosecha, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago, Chile
| | - Bárbara Rojas
- Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, Italy
| | - Karen Sagredo
- Departamento de Producción Agrícola, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago, Chile
| | - César Arriagada
- Laboratorio Biorremediación, Departamento de Ciencias Forestales, Facultad de Ciencias Agropecuarias y Medioambiente, Universidad de La Frontera, Temuco, Chile
| | - Bruno G Defilippi
- Instituto de Investigaciones Agropecuarias (INIA) La Platina, Santiago, Chile
| | - Alonso G Pérez-Donoso
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Claudio Meneses
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile; Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile; ANID - Millennium Science Initiative Program - Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago, Chile.
| | - Sebastien Carpentier
- Facility for Systems Biology based Mass Spectrometry SYBIOMA, KU Leuven, Leuven, Belgium; Biodiversity for Food and Agriculture, Biodiversity International, Leuven, Belgium.
| | - Romina Pedreschi
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota, Chile; Millennium Institute Center for Genome Regulation (CRG), Santiago, Chile.
| | - Reinaldo Campos-Vargas
- Centro de Estudios Postcosecha, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago, Chile.
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10
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Jakobina M, Łyczko J, Zydorowicz K, Galek R, Szumny A. The Potential Use of Plant Growth Regulators for Modification of the Industrially Valuable Volatile Compounds Synthesis in Hylocreus undatus Stems. Molecules 2023; 28:molecules28093843. [PMID: 37175252 PMCID: PMC10180215 DOI: 10.3390/molecules28093843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The pitaya (dragon fruit) Hylocereus is a genus which belongs to the Cactaceae family. It is native to Mexico, occurring also in other regions of Central and South America. Pitaya fruit is mainly intended for consumption and for this reason the species is grown commercially. The fruit is a rich source of vitamins, biologically active compounds, and dietary fibre. Using in vitro culture can accelerate the process of reproduction and growth of pitaya plants. Profiling of volatile compounds contained in the stem of Hylocereus undatus was carried out using the SPME-GC-MS technique. The main compounds present were hexanal, 2-hexenal and 1-hexanol. The results showed differences in the occurrence of volatile compounds between plants grown in media with an addition of BA (6-benzylaminopurine) and IAA (indole-3-acetic acid), which have been used as plant growth regulators. Statistically significant differences between the contents of volatile compounds were observed in the case of 2-hexenal and 1-hexanol. The effect of BA on reducing the amount of volatile compounds was observed. However, introduction of IAA to the in vitro medium resulted in more compounds being synthesized. This study is the first to describe the volatile compounds in the pitaya stem. The results indicate that plant hormones are able to modify the profile of volatile compounds.
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Affiliation(s)
- Maciej Jakobina
- Department of Plant Breeding and Seed Production, University of Environmental and Life Sciences, Grunwaldzki Square 24a, 50-363 Wrocław, Poland
| | - Jacek Łyczko
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, Norwida 25, 53-375 Wrocław, Poland
| | - Kinga Zydorowicz
- Department of Plant Breeding and Seed Production, University of Environmental and Life Sciences, Grunwaldzki Square 24a, 50-363 Wrocław, Poland
| | - Renata Galek
- Department of Plant Breeding and Seed Production, University of Environmental and Life Sciences, Grunwaldzki Square 24a, 50-363 Wrocław, Poland
| | - Antoni Szumny
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, Norwida 25, 53-375 Wrocław, Poland
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11
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Du CL, Cai CL, Lu Y, Li YM, Xie ZS. Identification and expression analysis of invertase family genes during grape (Vitis vinifera L.) berry development under CPPU and GA treatment. Mol Genet Genomics 2023; 298:777-789. [PMID: 37041390 DOI: 10.1007/s00438-023-02015-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/28/2023] [Indexed: 04/13/2023]
Abstract
Sugar is crucial for grape berry, whether used for fresh food or wine. However, berry enlargement treatment with forchlorfenuron (N-(2-chloro4-pyridyl)-N'-phenylurea) (CPPU, a synthetic cytokinin) and gibberellin (GA) always had adverse effects on sugar accumulation in some grape varieties, especially CPPU. Therefore exploring the molecular mechanisms behind these adverse effects could provide a foundation for improving or developing technology to mitigate the effects of CPPU/GA treatments for grape growers. In the present study, invertase (INV) family, the key gene controlling sugar accumulation, was identified and characterized on the latest annotated grape genome. Their express pattern, as well as invertase activity and sugar content, were analyzed during grape berry development under CPPU and GA3 treatment to explore the potential role of INV members under berry enlargement treatment in grapes. Eighteen INV genes were identified and divided into two sub-families: 10 neutral INV genes (Vv-A/N-INV1-10) and 8 acid INV genes containing 5 CWINV (VvCWINV1-5) and 3 VIN (VvVIN1-3). At the early development stage, both CPPU and GA3 treatment decreased the hexose level in berries of 'Pinot Noir' grape, whereas the activity of three types inverstase (soluble acid INV, insoluble acid INV, and neutral INV) increased. Correspondingly, most of INV members were up-regulated by GA3 /CPPU application at least one sampling time point during early berry development, including VvCWINV1, 2, 3, 4, 5, VvVIN1, 2, 3 and Vv-A/N-INV1, 2, 5, 6, 7, 8, 10. At maturity, the sugar content in CPPU-treated berries is still lower than that in the control. Soluble acid INV and neutral INV, rather than insoluble acid INV, presented lower activity in CPPU-treated berries. Meanwhile, several corresponding genes, such as VvVIN2 and Vv-A/N-INV2, 8, 10 in ripening berries were obviously down-regulated by CPPU treatment. These results suggested that most of INV members could be triggered by berry enlargement treatment during early berry development, whereas VvVINs and Vv-A/N-INVs, but not VvCWINVs, could be the limiting factor resulting in decreased sugar accumulation in CPPU-treated berries at maturity. In conclusion, this study identified the INV family on the latest annotated grape genome and selected several potential members involving in the limit of CPPU on final sugar accumulation in grape berry. These results provide candidate genes for further study of the molecular regulation of CPPU and GA on sugar accumulation in grape.
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Affiliation(s)
- Chen-Lu Du
- College of Horticulture and Landscape, Yangzhou University, Yangzhou, China
| | - Chun-Liu Cai
- College of Horticulture and Landscape, Yangzhou University, Yangzhou, China
| | - Yi Lu
- College of Horticulture and Landscape, Yangzhou University, Yangzhou, China
| | - You-Mei Li
- College of Horticulture and Landscape, Yangzhou University, Yangzhou, China.
| | - Zhao-Sen Xie
- College of Horticulture and Landscape, Yangzhou University, Yangzhou, China.
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12
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Kwiecień I, Łukaszyk A, Miceli N, Taviano MF, Davì F, Kędzia E, Ekiert H. In Vitro Cultures of Scutellaria brevibracteata subsp. subvelutina as a Source of Bioactive Phenolic Metabolites. Molecules 2023; 28:molecules28041785. [PMID: 36838774 PMCID: PMC9964101 DOI: 10.3390/molecules28041785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023] Open
Abstract
Some of the more than 350 Scutellaria species, such as S. baicalensis and S. lateriflora, have been used in traditional medicine and today play an important role in official phytotherapy. Other species have been less investigated, and their therapeutic potential is unknown. This is one of the few studies on Scutellaria brevibracteata subsp. subvelutina, and the first research of this species' in vitro cultures. The aim of this study was to establish an in vitro culture and analyse its phytochemical profile and biological activity. In the methanolic extracts from biomass cultured on six solid Murashige and Skoog (MS) medium variants supplemented with different combinations of 6-benzylaminopurine (BAP) and 1-naphthaleneacetic acid (NAA) in the range 0.5-3 mg/L analysed by HPLC, the presence of specific flavonoids (baicalein, baicalin, wogonin, wogonoside, scutellarin, chrysin), phenylpropanoid glycosides (verbascoside, isoverbascoside), and phenolic acids (p-hydroxybenzoic, caffeic, ferulic, m-coumaric acids) was confirmed. The dominant metabolites were wogonoside and verbascoside with the highest content of 346 and 457 mg/100 g DW, respectively. Thus, the extract with the highest content of bioactive metabolites was selected for further research and subjected to evaluation of antioxidant and antimicrobial potential. The extract exhibited good free radical scavenging activity (IC50 = 0.92 ± 0.01 mg/mL) and moderate reducing power and chelating activity. The brine shrimp lethality bioassay proved its lack of biotoxicity. Antimicrobial activity was tested against sixteen strains of Gram-positive and Gram-negative bacteria and fungi. The strongest growth inhibitory activity was observed against Trichophyton tonsurans.
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Affiliation(s)
- Inga Kwiecień
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Kraków, Poland
- Correspondence:
| | - Aleksandra Łukaszyk
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Kraków, Poland
| | - Natalizia Miceli
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d’Alcontres, 31, 98166 Messina, Italy
| | - Maria Fernanda Taviano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d’Alcontres, 31, 98166 Messina, Italy
| | - Federica Davì
- Foundation “Prof. Antonio Imbesi”, University of Messina, Piazza Pugliatti 1, 98122 Messina, Italy
| | - Elżbieta Kędzia
- Department of Bioproducts Engineering, Institute of Natural Fibres and Medicinal Plants, National Research Institute, 71B Wojska Polskiego St., 60-630 Poznań, Poland
| | - Halina Ekiert
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Kraków, Poland
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13
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Song J, Zhang A, Gao F, Liang H, Li M, Zhang J, Wang G, Qu H, Cheng S, Ruan S, Li J. Modification of wine phenolic profiles by gibberellic acid application in 'Cabernet Gernischt' grapevines before anthesis. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:1216-1225. [PMID: 36085577 DOI: 10.1002/jsfa.12216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/22/2022] [Accepted: 09/04/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Vitis vinifera L. 'Cabernet Gernischt' grapes from the Yantai wine region of China usually form dense clusters and contain low phenolic content. We applied five concentrations (ranged from 5 to 25 mg L-1 ) of gibberellic acid (GA3 ) to 'Cabernet Gernischt' before anthesis to decrease cluster compactness in two consecutive vintages. Yield indices, grape maturity, and wine phenolic compounds were determined. RESULTS GA3 application significantly reduced cluster compactness, bunch weight, and yield per vine, but it did not significantly improve fruit ripening. The levels of total phenolics, total tannins, and total anthocyanins in wine were enhanced by GA3 application, with 10 and 15 mg L-1 GA3 treatments consistently producing a significant increase in the concentrations of mavidin, cyanidin, and their derivatives. Specifically, trans-resveratrol was consistently significantly increased by 15 mg L-1 GA3 application. Principal component analysis of phenolic compounds demonstrated the differences among wines produced from GA3 treatment groups and the control. CONCLUSION Overall, wine phenolic profiles could be significantly modified by application of low concentrations of GA3 before anthesis. Application of high levels of GA3 is not recommended due to significant yield decrease. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Jianqiang Song
- School of Life Sciences, Ludong University, Yantai, China
- Hebei Key Laboratory of Wine Quality & Safety Testing, Qinhuangdao, China
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Ang Zhang
- Hebei Key Laboratory of Wine Quality & Safety Testing, Qinhuangdao, China
- Technology Centre of Qinhuangdao Customs, Qinhuangdao, China
| | - Fei Gao
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Haizhong Liang
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Mingqing Li
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Jie Zhang
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Genjie Wang
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Huige Qu
- School of Life Sciences, Ludong University, Yantai, China
| | - Shiwei Cheng
- School of Life Sciences, Ludong University, Yantai, China
| | - Shili Ruan
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
| | - Jiming Li
- Yantai Changyu Group Corporation Ltd., Shandong Provincial Key Laboratory of Wine Microbial Fermentation Technology, Yantai, China
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14
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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] [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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15
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Azuara M, González MR, Mangas R, Martín P. Effects of the application of forchlorfenuron (CPPU) on the composition of verdejo grapes. BIO WEB OF CONFERENCES 2023. [DOI: 10.1051/bioconf/20235601022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023] Open
Abstract
The application of cytokinins such as forchlorfenuron (CPPU) has been widely used in table grape varieties to increase yield and berry size. However, the potential interest of these phytoregulators in wine grapes have been scarcely analyzed. The objective of this study has been to evaluate the influence of CPPU treatment on the agronomic performance and composition of Verdejo grapes. The trial was conducted in 2021, in the Protected Designation of Origin “Rueda” (Spain). CPPU was applied using a concentration of 15 mg/L, by spraying the bunches when the berries were 5-6 mm in diameter. The photosynthesis rates and the stem water potential, measured after the application, tended to decrease in the treated plants without modify the values of vine yield and vigour. The treatment significantly affected the content of soluble solids and total polyphenols of the grape must, detecting increases of 15.4% and 7%, respectively, compared to the controls. Preliminary results suggest that the application of CPPU on the bunches could improve the quality of the Verdejo grapes. The treatment would be interesting to apply in cultivation conditions where the harvest has difficulties to reach an adequate level of maturity, such as excessive vigour or too cold climate.
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16
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Mechanism of [CO 2] Enrichment Alleviated Drought Stress in the Roots of Cucumber Seedlings Revealed via Proteomic and Biochemical Analysis. Int J Mol Sci 2022; 23:ijms232314911. [PMID: 36499239 PMCID: PMC9737773 DOI: 10.3390/ijms232314911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/25/2022] [Accepted: 11/25/2022] [Indexed: 11/30/2022] Open
Abstract
Cucumber is one of the most widely cultivated greenhouse vegetables, and its quality and yield are threatened by drought stress. Studies have shown that carbon dioxide concentration ([CO2]) enrichment can alleviate drought stress in cucumber seedlings; however the mechanism of this [CO2] enrichment effect on root drought stress is not clear. In this study, the effects of different drought stresses (simulated with 0, 5% and 10% PEG 6000, i.e., no, moderate, and severe drought stress) and [CO2] (400 μmol·mol-1 and 800 ± 40 μmol·mol-1) on the cucumber seedling root proteome were analyzed using the tandem mass tag (TMT) quantitative proteomics method. The results showed that after [CO2] enrichment, 346 differentially accumulating proteins (DAPs) were found only under moderate drought stress, 27 DAPs only under severe drought stress, and 34 DAPs under both moderate and severe drought stress. [CO2] enrichment promoted energy metabolism, amino acid metabolism, and secondary metabolism, induced the expression of proteins related to root cell wall and cytoskeleton metabolism, effectively maintained the balance of protein processing and degradation, and enhanced the cell wall regulation ability. However, the extent to which [CO2] enrichment alleviated drought stress in cucumber seedling roots was limited under severe drought stress, which may be due to excessive damage to the seedlings.
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17
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Zhang X, Zhao B, Sun Y, Feng Y. Effects of gibberellins on important agronomic traits of horticultural plants. FRONTIERS IN PLANT SCIENCE 2022; 13:978223. [PMID: 36267949 PMCID: PMC9578688 DOI: 10.3389/fpls.2022.978223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Horticultural plants such as vegetables, fruits, and ornamental plants are crucial to human life and socioeconomic development. Gibberellins (GAs), a class of diterpenoid compounds, control numerous developmental processes of plants. The roles of GAs in regulating growth and development of horticultural plants, and in regulating significant progress have been clarified. These findings have significant implications for promoting the quality and quantity of the products of horticultural plants. Here we review recent progress in determining the roles of GAs (including biosynthesis and signaling) in regulating plant stature, axillary meristem outgrowth, compound leaf development, flowering time, and parthenocarpy. These findings will provide a solid foundation for further improving the quality and quantity of horticultural plants products.
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Affiliation(s)
- Xiaojia Zhang
- Liaoning Key Laboratory for Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Baolin Zhao
- Chinese Academy of Science (CAS) Key Laboratory of Tropical Plant Resources and Sustainable Use, CAS Center for Excellence in Molecular Plant Sciences, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Science, Kunming, China
| | - Yibo Sun
- Liaoning Key Laboratory for Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Yulong Feng
- Liaoning Key Laboratory for Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, China
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Paschoal D, Costa JL, da Silva EM, da Silva FB, Capelin D, Ometto V, Aricetti JA, Carvalho GG, Pimpinato RF, de Oliveira RF, Carrera E, López-Díaz I, Rossi ML, Tornisielo V, Caldana C, Riano-Pachon DM, Cesarino I, Teixeira PJPL, Figueira A. Infection by Moniliophthora perniciosa reprograms tomato Micro-Tom physiology, establishes a sink, and increases secondary cell wall synthesis. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:3651-3670. [PMID: 35176760 DOI: 10.1093/jxb/erac057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 02/15/2022] [Indexed: 06/14/2023]
Abstract
Witches' broom disease of cacao is caused by the pathogenic fungus Moniliophthora perniciosa. By using tomato (Solanum lycopersicum) cultivar Micro-Tom (MT) as a model system, we investigated the physiological and metabolic consequences of M. perniciosa infection to determine whether symptoms result from sink establishment during infection. Infection of MT by M. perniciosa caused reductions in root biomass and fruit yield, a decrease in leaf gas exchange, and down-regulation of photosynthesis-related genes. The total leaf area and water potential decreased, while ABA levels, water conductance/conductivity, and ABA-related gene expression increased. Genes related to sugar metabolism and those involved in secondary cell wall deposition were up-regulated upon infection, and the concentrations of sugars, fumarate, and amino acids increased. 14C-glucose was mobilized towards infected MT stems, but not in inoculated stems of the MT line overexpressing CYTOKININ OXIDASE-2 (35S::AtCKX2), suggesting a role for cytokinin in establishing a sugar sink. The up-regulation of genes involved in cell wall deposition and phenylpropanoid metabolism in infected MT, but not in 35S::AtCKX2 plants, suggests establishment of a cytokinin-mediated sink that promotes tissue overgrowth with an increase in lignin. Possibly, M. perniciosa could benefit from the accumulation of secondary cell walls during its saprotrophic phase of infection.
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Affiliation(s)
- Daniele Paschoal
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
- Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Juliana L Costa
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Eder M da Silva
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Fábia B da Silva
- Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Diogo Capelin
- Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Vitor Ometto
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Juliana A Aricetti
- Laboratório Nacional de Biorrenováveis, Centro Nacional de Pesquisa em Energia e Materiais, Campinas, SP, 13083-100, Brazil
| | - Gabriel G Carvalho
- Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, 05508-090, Brazil
| | - Rodrigo F Pimpinato
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Ricardo F de Oliveira
- Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Esther Carrera
- Universitat Politècnica de València (UPV), Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Isabel López-Díaz
- Universitat Politècnica de València (UPV), Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Mônica L Rossi
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Valdemar Tornisielo
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Camila Caldana
- Max Planck Institute for Molecular Plant Physiology, 14476 Potsdam-Golm, Germany
| | - Diego M Riano-Pachon
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
| | - Igor Cesarino
- Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, 05508-090, Brazil
| | - Paulo J P L Teixeira
- Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Antonio Figueira
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil
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Reyes Jara AM, Gómez Lobato ME, Civello PM, Martínez GA. Phenylalanine ammonia lyase is more relevant than Chalcone synthase and Chalcone isomerase in the biosynthesis of flavonoids during postharvest senescence of broccoli. J Food Biochem 2022; 46:e14054. [PMID: 35034357 DOI: 10.1111/jfbc.14054] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/06/2021] [Accepted: 12/13/2021] [Indexed: 12/13/2022]
Abstract
Broccoli contains a high content of nutraceutical compounds, such as glucosinolates and flavonoids. In this work, the effect of different treatments that modulate postharvest senescence of broccoli was evaluated and flavonoid metabolism during postharvest storage was analyzed at 20°C. A decrease in hue angle (HUE°) and chlorophylls and an increase in flavonoid content were detected during senescence. It observed that most of the treatments that delayed senescence also decreased flavonoid content, except visible light and UV-C treatments. In all cases, a direct correlation between those treatments that increased flavonoid biosynthesis and BoPAL gene expression was detected. This response was not detected in the expression of the other two flavonoid synthesis relevant genes BoCHS and BoCHI, suggesting that BoPAL has a greater influence on the regulation of the via, during broccoli senescence. PRACTICAL APPLICATIONS: Broccoli is a vegetable with valuable nutritional properties. Because it is in full development at the time of harvest, it has a short shelf life. In this work, it is showed that visible light and UV-C treatments not only delayed the senescence of broccoli, but also increased flavonoid content. Our results suggest that the most important enzyme in the phenylpropanoid biosynthesis pathway during broccoli postharvest is phenylalanine ammonia lyase, and that this may be a key point in regulating the biosynthesis of these nutritionally valuable compounds.
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Affiliation(s)
| | | | - Pedro M Civello
- Instituto de Fisiología Vegetal (INFIVE) UNLP-CONICET, La Plata, Argentina.,Facultad de Ciencias Exactas UNLP, La Plata, Argentina
| | - Gustavo A Martínez
- Instituto de Fisiología Vegetal (INFIVE) UNLP-CONICET, La Plata, Argentina.,Facultad de Ciencias Exactas UNLP, La Plata, Argentina
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20
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Tyagi K, Lerno L, De Rosso M, Maoz I, Lichter A, Ebeler SE, Flamini R. Extraction and Analysis of Phenolic Compounds from Grape Berries. Methods Mol Biol 2022; 2469:1-17. [PMID: 35508825 DOI: 10.1007/978-1-0716-2185-1_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Phenolics are ubiquitous compounds that represent the most abundant and diverse class of plant metabolites. From an analytical point of view, phenolics can be divided into soluble phenolics such as phenolic acids, phenylpropanoids, flavonoids and quinones, and nonsoluble compounds such as proanthocyanidins, lignins, and cell wall-bound hydroxycinnamic acids. Extraction of phenolics from the sample material is the first step toward their analysis. Biochemical methods for determination of total phenolics content were widely used in the past but modern chromatographic and mass spectrometric methods for identification and quantification of individual compounds are available in recent years. In this chapter, we describe methods for phenolic compounds extraction used in our laboratories from berries of Vitis vinifera and analytical methods including HPLC coupled to DAD detector and Q-TOF LC/MS for their analysis.
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Affiliation(s)
- Kamal Tyagi
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Center, Rishon LeZion, Israel
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Larry Lerno
- Department of Viticulture and Enology, University of California, Davis, CA, USA
- Food Safety and Measurement Facility, University of California, Davis, CA, USA
| | - Mirko De Rosso
- Chemistry Lab., Council for Agricultural Research and Economics - Viticulture & Enology (CREA-VE), Conegliano, Italy
| | - Itay Maoz
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Center, Rishon LeZion, Israel
| | - Amnon Lichter
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Center, Rishon LeZion, Israel
| | - Susan E Ebeler
- Department of Viticulture and Enology, University of California, Davis, CA, USA.
| | - Riccardo Flamini
- Chemistry Lab., Council for Agricultural Research and Economics - Viticulture & Enology (CREA-VE), Conegliano, Italy.
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21
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Romero I, Vazquez-Hernandez M, Tornel M, Escribano MI, Merodio C, Sanchez-Ballesta MT. The Effect of Ethanol Treatment on the Quality of a New Table Grape Cultivar It 681-30 Stored at Low Temperature and after a 7-Day Shelf-Life Period at 20 °C: A Molecular Approach. Int J Mol Sci 2021; 22:ijms22158138. [PMID: 34360903 PMCID: PMC8347068 DOI: 10.3390/ijms22158138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 11/24/2022] Open
Abstract
Despite the fact that many studies have examined the effectiveness of different gaseous postharvest treatments applied at low temperature to maintain table grape quality, the use of ethanol vapor has hardly been investigated. Thus, this work has studied the effectiveness of ethanol vapor-generating sachets in the maintenance of It 681–30 table grape quality, a new cultivar, during storage at low temperature and after the shelf-life period at 20 °C. To this end, various quality assessments have been carried out and the effect of the ethanol treatment on the expression of different genes (phenylpropanoids, transcription factors, PRs, and aquaporins) was determined. The results indicated that the application of ethanol vapor reduced the total decay incidence, weight loss, and the rachis browning index in It 681–30 grapes stored at 0 °C and after the shelf-life period at 20 °C, as compared to non-treated samples. Moreover, the modulation of STS7 and the different PR genes analyzed seems to play a part in the molecular mechanisms activated to cope with fungal attacks during the postharvest of It 681–30 grapes, and particularly during the shelf-life period at 20 °C. Furthermore, the expression of aquaporin transcripts was activated in samples showing higher weight loss. Although further work is needed to elucidate the role of ethanol in table grape quality, the results obtained in this work provide new insight into the transcriptional regulation triggered by ethanol treatment.
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Affiliation(s)
- Irene Romero
- Department of Characterization, Quality and Safety, Institute of Food Science, Technology and Nutrition, Spanish National Research Council (ICTAN-CSIC), José Antonio Novais 10, E-28040 Madrid, Spain; (I.R.); (M.V.-H.); (M.I.E.); (C.M.)
| | - Maria Vazquez-Hernandez
- Department of Characterization, Quality and Safety, Institute of Food Science, Technology and Nutrition, Spanish National Research Council (ICTAN-CSIC), José Antonio Novais 10, E-28040 Madrid, Spain; (I.R.); (M.V.-H.); (M.I.E.); (C.M.)
| | - Manuel Tornel
- Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental (IMIDA), Mayor, s/n, La Alberca, E-30150 Murcia, Spain;
| | - M. Isabel Escribano
- Department of Characterization, Quality and Safety, Institute of Food Science, Technology and Nutrition, Spanish National Research Council (ICTAN-CSIC), José Antonio Novais 10, E-28040 Madrid, Spain; (I.R.); (M.V.-H.); (M.I.E.); (C.M.)
| | - Carmen Merodio
- Department of Characterization, Quality and Safety, Institute of Food Science, Technology and Nutrition, Spanish National Research Council (ICTAN-CSIC), José Antonio Novais 10, E-28040 Madrid, Spain; (I.R.); (M.V.-H.); (M.I.E.); (C.M.)
| | - M. Teresa Sanchez-Ballesta
- Department of Characterization, Quality and Safety, Institute of Food Science, Technology and Nutrition, Spanish National Research Council (ICTAN-CSIC), José Antonio Novais 10, E-28040 Madrid, Spain; (I.R.); (M.V.-H.); (M.I.E.); (C.M.)
- Correspondence:
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