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Guo S, Ji Y, Zheng Y, Watkins CB, Ma L, Wang Q, Liang H, Bai C, Fu A, Li L, Meng D, Liu M, Zuo J. Transcriptomic, metabolomic, and ATAC-seq analysis reveal the regulatory mechanism of senescence of post-harvest tomato fruit. FRONTIERS IN PLANT SCIENCE 2023; 14:1142913. [PMID: 36968400 PMCID: PMC10032333 DOI: 10.3389/fpls.2023.1142913] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Several physiological changes occur during fruit storage, which include the regulation of genes, metabolisms and transcription factors. In this study, we compared 'JF308' (a normal tomato cultivar) and 'YS006' (a storable tomato cultivar) to determine the difference in accumulated metabolites, gene expression, and accessible chromatin regions through metabolome, transcriptome, and ATAC-seq analysis. A total of 1006 metabolites were identified in two cultivars. During storage time, sugars, alcohols and flavonoids were found to be more abundant in 'YS006' compared to 'JF308' on day 7, 14, and 21, respectively. Differentially expressed genes, which involved in starch and sucrose biosynthesis were observed higher in 'YS006'. 'YS006' had lower expression levels of CesA (cellulose synthase), PL (pectate lyase), EXPA (expansin) and XTH (xyglucan endoglutransglucosylase/hydrolase) than 'JF308'. The results showed that phenylpropanoid pathway, carbohydrate metabolism and cell wall metabolism play important roles in prolonging the shelf life of tomato (Solanum lycopersicum) fruit. The ATAC-seq analysis revealed that the most significantly up-regulated transcription factors during storage were TCP 2,3,4,5, and 24 in 'YS006' compared to 'JF308' on day 21. This information on the molecular regulatory mechanisms and metabolic pathways of post-harvest quality changes in tomato fruit provides a theoretical foundation for slowing post-harvest decay and loss, and has theoretical importance and application value in breeding for longer shelf life cultivars.
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Affiliation(s)
- Susu Guo
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Yanhai Ji
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Yanyan Zheng
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Christopher B. Watkins
- School of Integrative Plant Science, Horticulture Section, College of Agriculture and Life Science, Cornell University, NY, Ithaca, United States
| | - Lili Ma
- College of Food Science and Biotechnology, Tianjin Agricultural University, Tianjin, China
| | - Qing Wang
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Hao Liang
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Chunmei Bai
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Anzhen Fu
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Ling Li
- College of Food Science and Biotechnology, Tianjin Agricultural University, Tianjin, China
| | - Demei Meng
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
| | - Mingchi Liu
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Jinhua Zuo
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing Vegetable Research Center, Institute of Agri-Products Processing and Food Nutrition, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
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Upadhyay RK, Motyka V, Pokorna E, Dobrev PI, Lacek J, Shao J, Lewers KS, Mattoo AK. Comprehensive profiling of endogenous phytohormones and expression analysis of 1-aminocyclopropane-1-carboxylic acid synthase gene family during fruit development and ripening in octoploid strawberry (Fragaria× ananassa). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 196:186-196. [PMID: 36724703 DOI: 10.1016/j.plaphy.2023.01.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 12/02/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
The non-climacteric octoploid strawberry (Fragaria × ananassa Duchesne ex Rozier) was used as a model to study its regulation during fruit ripening. High performance liquid chromatography electrospray tandem-mass spectrometry (HPLC-ESI-MS/MS) was employed to profile 28 different endogenous phytohormones in strawberry. These include auxins, cytokinins (CKs), abscisic acid (ABA), ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC), jasmonates, and phenolic compounds salicylic acid (SA), benzoic acid (BzA) and phenylacetic acid (PAA) together with their various metabolic forms that have remained largely unexplored thus far. ABA, ACC and CK N6-(Δ2-isopentenyl)adenine (iP) were found to be associated with ripening while ABA catabolites 9-hydroxy-ABA and phaseic acid mimicked the pattern of climacteric decline at the turning phase of strawberry ripening. The content of other CK forms except iP decreased as fruit ripened, as also that of auxins indole-3-acetic acid (IAA) and oxo-IAA, and of jasmonates. Data presented here also suggest that both the transition and progression of strawberry fruit ripening are associated with N6-(Δ2-isopentenyl)adenosine-5'-monophosphate (iPRMP) → N6-(Δ2-isopentenyl)adenosine (iPR) → iP as the preferred CK metabolic pathway. In contrast, the ethylene precursor ACC was present at higher levels, with its abundance increasing from the onset of ripening to the red ripe stage. Further investigation of ripening-specific ACC accumulation revealed the presence of a large ACC synthase (ACS) encoding gene family in octoploid strawberry that was previously unknown. Seventeen ACS genes were found differentially expressed in fruit tissues, while six of them showed induced expression during strawberry fruit ripening. These data suggest a possible role(s) of ACC, ABA, and iP in strawberry fruit ripening. These data add new dimension to the existing knowledge of the interplay of different endogenous phytohormones in octoploid strawberry, paving the way for further investigation of their individual role(s) in fruit ripening.
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Affiliation(s)
- Rakesh K Upadhyay
- Sustainable Agricultural Systems Laboratory, United States Department of Agriculture, Agricultural Research Service, Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD, 20705-2350, USA.
| | - Vaclav Motyka
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, Prague, Czech Republic
| | - Eva Pokorna
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, Prague, Czech Republic
| | - Petre I Dobrev
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, Prague, Czech Republic
| | - Jozef Lacek
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, Prague, Czech Republic
| | - Jonathan Shao
- Bioinformatics-North-East Area Office, United States Department of Agriculture, Agricultural Research Service, Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD, 20705-2350, USA
| | - Kim S Lewers
- Genetic Improvement of Fruits and Vegetables Laboratory, United States Department of Agriculture, Agricultural Research Service, Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD, 20705-2350, USA
| | - Autar K Mattoo
- Sustainable Agricultural Systems Laboratory, United States Department of Agriculture, Agricultural Research Service, Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD, 20705-2350, USA.
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Anthony BM, Chaparro JM, Prenni JE, Minas IS. Carbon sufficiency boosts phenylpropanoid biosynthesis early in peach fruit development priming superior fruit quality. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 196:1019-1031. [PMID: 36898214 DOI: 10.1016/j.plaphy.2023.02.038] [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: 10/19/2022] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Manipulating the crop load in peach trees determines carbon supply and optimum balance between fruit yield and quality potentials. The impact of carbon supply on peach fruit quality was assessed in three development stages (S2, S3, S4) on fruit of equal maturity from trees that were carbon (C) starved (unthinned) and sufficient (thinned). Previous studies determined that primary metabolites of peach fruit mesocarp are mainly linked with developmental processes, thus, the secondary metabolite profile was assessed using non-targeted liquid chromatography mass-spectrometry (LC-MS). Carbon sufficient (C-sufficient) fruit demonstrated superior quality attributes as compared to C-starved fruit. Early metabolic shifts in the secondary metabolome appear to prime quality at harvest. Enhanced C-availability facilitated the increased and consistent synthesis of flavonoids, like catechin, epicatechin and eriodyctiol, via the phenylpropanoid pathway, providing a link between the metabolome and fruit quality, and serving as signatures of C-sufficiency during peach fruit development.
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Affiliation(s)
- Brendon M Anthony
- Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO, 80523, United States
| | - Jacqueline M Chaparro
- Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO, 80523, United States
| | - Jessica E Prenni
- Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO, 80523, United States
| | - Ioannis S Minas
- Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO, 80523, United States.
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54
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D'Ambrosio C, Stigliani AL, Rambla JL, Frusciante S, Diretto G, Enfissi EMA, Granell A, Fraser PD, Giorio G. A xanthophyll-derived apocarotenoid regulates carotenogenesis in tomato chromoplasts. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 328:111575. [PMID: 36572066 DOI: 10.1016/j.plantsci.2022.111575] [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: 09/15/2022] [Revised: 12/07/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Carotenoids possess important biological functions that make them essential components of the human diet. β-Carotene and some other carotenoids have vitamin A activity while lutein and zeaxanthin, typically referred to as the macular pigments, are involved in good vision and in delaying the onset of age-related eye diseases. In order to create a zeaxanthin-producing tomato fruit, two transgenic lines, one with a high β-carotene cyclase activity and the other with a high β-carotene hydroxylase activity, have been genetically crossed. Ripe fruits from the resulting progeny contained significant levels of violaxanthin, antheraxanthin, and xanthophyll esters. However, their zeaxanthin content was not as high as expected, and the total level of carotenoids was only 25% of the carotenoids found in ripe fruits of the comparator line. Targeted transcript analysis and apocarotenoids determinations indicated that transcriptional regulation of the pathway or degradation of synthesized carotenoids were not responsible for the low carotenoid content of hybrid fruits which instead appeared to result from a substantial reduction of carotenoid biosynthesis. Notably, the content of an unidentified hydroxylated cyclic (C13) apocarotenoid was 13 times higher in the hybrid fruits than in the control fruits. Furthermore, a GC-MS-based metabolite profiling demonstrated a perturbation of carotenogenesis in ripening hybrid fruits compatible with a block of the pathway. Moreover, carotenoid profiling on leaf, fruit, and petal samples from a set of experimental lines carrying the hp3 mutation, in combination with the two transgenes, indicated that the carotenoid biosynthesis in petal and fruit chromoplasts could be regulated. Altogether the data were consistent with the hypothesis of the regulation of the carotenoid pathway in tomato chromoplasts through a mechanism of feedback inhibition mediated by a xanthophyll-derived apocarotenoid. This chromoplast-specific post-transcriptional mechanism was disclosed in transgenic fruits of HU hybrid owing to the abnormal production of zeaxanthin and antheraxanthin, the more probable precursors of the apocarotenoid signal. A model describing the regulation of carotenoid pathway in tomato chromoplasts is presented.
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Affiliation(s)
- Caterina D'Ambrosio
- Centro Ricerche Metapontum Agrobios, Agenzia Lucana di Sviluppo e di Innovazione in Agricoltura (ALSIA), Metaponto, MT, Italy
| | - Adriana Lucia Stigliani
- Centro Ricerche Metapontum Agrobios, Agenzia Lucana di Sviluppo e di Innovazione in Agricoltura (ALSIA), Metaponto, MT, Italy
| | - José L Rambla
- Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Universidad Politécnica de Valencia, 46022 Valencia, Spain; Universitat Jaume I., Departamento de Biología, Bioquímica y Ciencias Naturales, Avda Sos Baynat s/n, 12071 Castellón de la Plana, Spain
| | - Sarah Frusciante
- Italian National Agency for New Technologies Energy and Sustainable Development (ENEA), Casaccia Research Centre, Rome, Italy
| | - Gianfranco Diretto
- Italian National Agency for New Technologies Energy and Sustainable Development (ENEA), Casaccia Research Centre, Rome, Italy
| | - Eugenia M A Enfissi
- School of Biological Sciences, Royal Holloway University of London (RHUL), Egham, Surrey, UK
| | - Antonio Granell
- Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Universidad Politécnica de Valencia, 46022 Valencia, Spain
| | - Paul D Fraser
- School of Biological Sciences, Royal Holloway University of London (RHUL), Egham, Surrey, UK
| | - Giovanni Giorio
- Centro Ricerche Metapontum Agrobios, Agenzia Lucana di Sviluppo e di Innovazione in Agricoltura (ALSIA), Metaponto, MT, Italy.
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55
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Dambros JI, Storch TT, Pegoraro C, Crizel GR, Gonçalves BX, Quecini V, Fialho FB, Rombaldi CV, Girardi CL. Physicochemical properties and transcriptional changes underlying the quality of 'Gala' apples (Malus × domestica Borkh.) under atmosphere manipulation in long-term storage. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:576-589. [PMID: 36063445 DOI: 10.1002/jsfa.12169] [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: 04/16/2022] [Revised: 07/15/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The year-round availability of apples (Malus × domestica Borkh.) depends on post-harvest technologies, which are essential for the retention of fruit sensory and chemical properties by delaying senescence. The effectiveness of strategies for preserving the quality of apples depends on complex interactions between the storage environment and endogenous biological factors. In the current work, we integrated instrumental, sensory, and transcriptional data to determine the role of conservation technologies cold storage, controlled atmosphere, and 1-methylcyclopropene-mediated ethylene blockage on the long-term conservation of apples. RESULTS The results demonstrated that inhibition of the consumer's perception of the apples' ethylene content is essential for long-term cold storage, and such quality conservation can be achieved by reducing oxygen pressure. Overall appreciation of apples after storage was determined mainly by their texture, with crispness and juiciness contributing favorably, and mealiness contributing negatively. Reduced oxygen pressure and inhibition of ethylene perception exerted distinct effects on the transcription of candidate genes associated with ripening in apple. Hexose and cell-wall carbohydrate metabolism genes exhibit distinct expression patterns under storage. CONCLUSION Inhibition of ethylene perception and reduction of relative oxygen pressure under cold storage both promote similar conservation of apple sensory traits under long-term cold storage. Texture was the main contributor to global appreciation of apples subjected to long-term storage. The conditions that were investigated were able to delay, but not fully prevent, senescence, as evidenced by physicochemical and gene expression analyses. The expression of gene-encoding enzymes involved in hexose metabolism was mainly developmentally regulated, whereas storage conditions exerted a stronger effect on the expression of genes associated with cell-wall metabolism. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Juliele Ilone Dambros
- Embrapa Uva e Vinho, Bento Gonçalves, Brazil
- Departamento de Ciência e Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Pelotas, Brazil
| | | | - Camila Pegoraro
- Plant Genomics and Breeding Center, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Giseli Rodrigues Crizel
- Embrapa Uva e Vinho, Bento Gonçalves, Brazil
- Departamento de Ciência e Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Breno Xavier Gonçalves
- Embrapa Uva e Vinho, Bento Gonçalves, Brazil
- Departamento de Ciência e Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Pelotas, Brazil
| | | | | | - Cesar Valmor Rombaldi
- Departamento de Ciência e Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Pelotas, Brazil
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Yang P, Zhao Z, Fan J, Liang Y, Bernier MC, Gao Y, Zhao L, Opiyo SO, Xia Y. Bacillus proteolyticus OSUB18 triggers induced systemic resistance against bacterial and fungal pathogens in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2023; 14:1078100. [PMID: 36755698 PMCID: PMC9900001 DOI: 10.3389/fpls.2023.1078100] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/04/2023] [Indexed: 05/27/2023]
Abstract
Pseudomonas syringae and Botrytis cinerea cause destructive bacterial speck and grey mold diseases in many plant species, leading to substantial economic losses in agricultural production. Our study discovered that the application of Bacillus proteolyticus strain OSUB18 as a root-drench enhanced the resistance of Arabidopsis plants against P. syringae and B. cinerea through activating Induced Systemic Resistance (ISR). The underlying mechanisms by which OSUB18 activates ISR were studied. Our results revealed that the Arabidopsis plants with OSUB18 root-drench showed the enhanced callose deposition and ROS production when inoculated with Pseudomonas syringae and Botrytis cinerea pathogens, respectively. Also, the increased salicylic acid (SA) levels were detected in the OSUB18 root-drenched plants compared with the water root-drenched plants after the P. syringae infection. In contrast, the OSUB18 root-drenched plants produced significantly higher levels of jasmonyl isoleucine (JA-Ile) than the water root-drenched control after the B. cinerea infection. The qRT-PCR analyses indicated that the ISR-responsive gene MYC2 and the ROS-responsive gene RBOHD were significantly upregulated in OSUB18 root-drenched plants upon both pathogen infections compared with the controls. Also, twenty-four hours after the bacterial or fungal inoculation, the OSUB18 root-drenched plants showed the upregulated expression levels of SA-related genes (PR1, PR2, PR5, EDS5, and SID2) or JA-related genes (PDF1.2, LOX3, JAR1 and COI1), respectively, which were consistent with the related hormone levels upon these two different pathogen infections. Moreover, OSUB18 can trigger ISR in jar1 or sid2 mutants but not in myc2 or npr1 mutants, depending on the pathogen's lifestyles. In addition, OSUB18 prompted the production of acetoin, which was reported as a novel rhizobacterial ISR elicitor. In summary, our studies discover that OSUB18 is a novel ISR inducer that primes plants' resistance against bacterial and fungal pathogens by enhancing the callose deposition and ROS accumulation, increasing the production of specific phytohormones and other metabolites involved in plant defense, and elevating the expression levels of multiple defense genes.
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Affiliation(s)
- Piao Yang
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH, United States
| | - Zhenzhen Zhao
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH, United States
| | - Jiangbo Fan
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yinping Liang
- College of Grassland Science, Shanxi Agriculture University, Taigu, China
| | - Matthew C. Bernier
- Campus Chemical Instrument Center, Mass Spectrometry and Proteomics Facility, The Ohio State University, Columbus, OH, United States
| | - Yu Gao
- Ohio State University (OSU) South Centers, Piketon, OH, United States
- Department of Extension, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Columbus, OH, United States
| | - Lijing Zhao
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH, United States
| | - Stephen Obol Opiyo
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH, United States
| | - Ye Xia
- Department of Plant Pathology, College of Food, Agricultural, and Environmental Science, The Ohio State University, Columbus, OH, United States
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57
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Freschi L, Corpas FJ, Palma JM. Fruit Physiology through Signaling Processes: Latest Advances and Future Challenges. Int J Mol Sci 2023; 24:ijms24020976. [PMID: 36674492 PMCID: PMC9861208 DOI: 10.3390/ijms24020976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 01/06/2023] Open
Abstract
Fruits are unique to flowering plants and confer a selective advantage to these species by facilitating seed maturation and dispersal [...].
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Affiliation(s)
- Luciano Freschi
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Sao Paulo 05508-090, Brazil
- Correspondence:
| | - Francisco J. Corpas
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Estación Experimental del Zaidín, Spanish National Research Council (CSIC), C/Profesor Albareda 1, 18008 Granada, Spain
| | - José M. Palma
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Estación Experimental del Zaidín, Spanish National Research Council (CSIC), C/Profesor Albareda 1, 18008 Granada, Spain
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58
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Chirinos X, Ying S, Rodrigues MA, Maza E, Djari A, Hu G, Liu M, Purgatto E, Fournier S, Regad F, Bouzayen M, Pirrello J. Transition to ripening in tomato requires hormone-controlled genetic reprogramming initiated in gel tissue. PLANT PHYSIOLOGY 2023; 191:610-625. [PMID: 36200876 PMCID: PMC9806557 DOI: 10.1093/plphys/kiac464] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Ripening is the last stage of the developmental program in fleshy fruits. During this phase, fruits become edible and acquire their unique sensory qualities and post-harvest potential. Although our knowledge of the mechanisms that regulate fruit ripening has improved considerably over the past decades, the processes that trigger the transition to ripening remain poorly deciphered. While transcriptomic profiling of tomato (Solanum lycopersicum L.) fruit ripening to date has mainly focused on the changes occurring in pericarp tissues between the Mature Green and Breaker stages, our study addresses the changes between the Early Mature Green and Late Mature Green stages in the gel and pericarp separately. The data showed that the shift from an inability to initiate ripening to the capacity to undergo full ripening requires extensive transcriptomic reprogramming that takes place first in the locular tissues before extending to the pericarp. Genome-wide transcriptomic profiling revealed the wide diversity of transcription factor (TF) families engaged in the global reprogramming of gene expression and identified those specifically regulated at the Mature Green stage in the gel but not in the pericarp, thereby providing potential targets toward deciphering the initial factors and events that trigger the transition to ripening. The study also uncovered an extensive reformed homeostasis for most plant hormones, highlighting the multihormonal control of ripening initiation. Our data unveil the antagonistic roles of ethylene and auxin during the onset of ripening and show that auxin treatment delays fruit ripening via impairing the expression of genes required for System-2 autocatalytic ethylene production that is essential for climacteric ripening. This study unveils the detailed features of the transcriptomic reprogramming associated with the transition to ripening of tomato fruit and shows that the first changes occur in the locular gel before extending to pericarp and that a reformed auxin homeostasis is essential for the ripening to proceed.
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Affiliation(s)
| | | | - Maria Aurineide Rodrigues
- Laboratoire de Recherche en Sciences Végétales—Génomique et Biotechnologie des Fruits—UMR5546, Université de Toulouse, CNRS, UPS, Toulouse-INP, Toulouse, France
- Université de Toulouse, INRAe/INP Toulouse, Génomique et Biotechnologie des Fruits—UMR990, Castanet-Tolosan, France
- Institute of Biosciences, Department of Botany, Universidade de São Paulo, São Paulo, 11461 Brazil
| | - Elie Maza
- Laboratoire de Recherche en Sciences Végétales—Génomique et Biotechnologie des Fruits—UMR5546, Université de Toulouse, CNRS, UPS, Toulouse-INP, Toulouse, France
- Université de Toulouse, INRAe/INP Toulouse, Génomique et Biotechnologie des Fruits—UMR990, Castanet-Tolosan, France
| | - Anis Djari
- Laboratoire de Recherche en Sciences Végétales—Génomique et Biotechnologie des Fruits—UMR5546, Université de Toulouse, CNRS, UPS, Toulouse-INP, Toulouse, France
- Université de Toulouse, INRAe/INP Toulouse, Génomique et Biotechnologie des Fruits—UMR990, Castanet-Tolosan, France
| | - Guojian Hu
- Laboratoire de Recherche en Sciences Végétales—Génomique et Biotechnologie des Fruits—UMR5546, Université de Toulouse, CNRS, UPS, Toulouse-INP, Toulouse, France
- Université de Toulouse, INRAe/INP Toulouse, Génomique et Biotechnologie des Fruits—UMR990, Castanet-Tolosan, France
| | - Mingchun Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Eduardo Purgatto
- Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Sylvie Fournier
- Metatoul-AgromiX platform, LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, France
- MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, 31077, France
| | - Farid Regad
- Laboratoire de Recherche en Sciences Végétales—Génomique et Biotechnologie des Fruits—UMR5546, Université de Toulouse, CNRS, UPS, Toulouse-INP, Toulouse, France
- Université de Toulouse, INRAe/INP Toulouse, Génomique et Biotechnologie des Fruits—UMR990, Castanet-Tolosan, France
| | - Mondher Bouzayen
- Laboratoire de Recherche en Sciences Végétales—Génomique et Biotechnologie des Fruits—UMR5546, Université de Toulouse, CNRS, UPS, Toulouse-INP, Toulouse, France
- Université de Toulouse, INRAe/INP Toulouse, Génomique et Biotechnologie des Fruits—UMR990, Castanet-Tolosan, France
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59
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Xu J, Liu S, Cai L, Wang L, Dong Y, Qi Z, Yu J, Zhou Y. SPINDLY interacts with EIN2 to facilitate ethylene signalling-mediated fruit ripening in tomato. PLANT BIOTECHNOLOGY JOURNAL 2023; 21:219-231. [PMID: 36204970 PMCID: PMC9829397 DOI: 10.1111/pbi.13939] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
The post-translational modification of proteins enables cells to respond promptly to dynamic stimuli by controlling protein functions. In higher plants, SPINDLY (SPY) and SECRET AGENT (SEC) are two prominent O-glycosylation enzymes that have both unique and overlapping roles; however, the effects of their O-glycosylation on fruit ripening and the underlying mechanisms remain largely unknown. Here we report that SlSPY affects tomato fruit ripening. Using slspy mutants and two SlSPY-OE lines, we provide biological evidence for the positive role of SlSPY in fruit ripening. We demonstrate that SlSPY regulates fruit ripening by changing the ethylene response in tomato. To further investigate the underlying mechanism, we identify a central regulator of ethylene signalling ETHYLENE INSENSITIVE 2 (EIN2) as a SlSPY interacting protein. SlSPY promotes the stability and nuclear accumulation of SlEIN2. Mass spectrometry analysis further identified that SlEIN2 has two potential sites Ser771 and Thr821 of O-glycans modifications. Further study shows that SlEIN2 is essential for SlSPY in regulating fruit ripening in tomatoes. Collectively, our findings reveal a novel regulatory function of SlSPY in fruit and provide novel insights into the role of the SlSPY-SlEIN2 module in tomato fruit ripening.
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Affiliation(s)
- Jin Xu
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
| | - Sidi Liu
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
| | - Licong Cai
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
| | - Lingyu Wang
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
| | - Yufei Dong
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
| | - Zhenyu Qi
- Agricultural Experiment StationZhejiang UniversityHangzhouChina
| | - Jingquan Yu
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
- Key Laboratory of Horticultural Plants Growth and DevelopmentAgricultural Ministry of ChinaHangzhouChina
| | - Yanhong Zhou
- Department of Horticulture, Zijingang CampusZhejiang UniversityHangzhouChina
- Key Laboratory of Horticultural Plants Growth and DevelopmentAgricultural Ministry of ChinaHangzhouChina
- Hainan Institute, Zhejiang UniversitySanyaChina
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60
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Malekipoor R, Singh Z, Johnson SK, Payne A. Fumigation with lemon and cinnamon oils suppresses ethylene production and maintains the fruit quality of controlled atmosphere-stored organic apples. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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61
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Cocetta G, Natalini A. Ethylene: Management and breeding for postharvest quality in vegetable crops. A review. FRONTIERS IN PLANT SCIENCE 2022; 13:968315. [PMID: 36452083 PMCID: PMC9702508 DOI: 10.3389/fpls.2022.968315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 10/21/2022] [Indexed: 05/06/2023]
Abstract
Ethylene is a two-carbon gaseous plant growth regulator that involved in several important physiological events, including growth, development, ripening and senescence of fruits, vegetables, and ornamental crops. The hormone accelerates ripening of ethylene sensitive fruits, leafy greens and vegetables at micromolar concentrations, and its accumulation can led to fruit decay and waste during the postharvest stage. Several strategies of crops management and techniques of plant breeding have been attempted in the last decades to understand ethylene regulation pathways and ethylene-dependent biochemical and physiological processes, with the final aim to extend the produce shelf-life and improve the postharvest quality of fruits and vegetables. These investigation approaches involve the use of conventional and new breeding techniques, including precise genome-editing. This review paper aims to provide a relevant overview on the state of the art related to the use of modern breeding techniques focused on ethylene and ethylene-related metabolism, as well as on the possible postharvest technological applications for the postharvest management of ethylene-sensitive crops. An updated view and perspective on the implications of new breeding and management strategies to maintain the quality and the marketability of different crops during postharvest are given, with particular focus on: postharvest physiology (ethylene dependent) for mature and immature fruits and vegetables; postharvest quality management of vegetables: fresh and fresh cut products, focusing on the most important ethylene-dependent biochemical pathways; evolution of breeding technologies for facing old and new challenges in postharvest quality of vegetable crops: from conventional breeding and marker assisted selection to new breeding technologies focusing on transgenesis and gene editing. Examples of applied breeding techniques for model plants (tomato, zucchini and brocccoli) are given to elucidate ethylene metabolism, as well as beneficial and detrimental ethylene effects.
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Affiliation(s)
- Giacomo Cocetta
- Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Milano, Italy
| | - Alessandro Natalini
- Council for Agricultural Research and Economics – Research Centre for Vegetable and Ornamental Crops, Monsampolo del Tronto, Italy
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62
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Qi X, Dong Y, Liu C, Song L, Chen L, Li M. The PavNAC56 transcription factor positively regulates fruit ripening and softening in sweet cherry (Prunus avium). PHYSIOLOGIA PLANTARUM 2022; 174:e13834. [PMID: 36437693 DOI: 10.1111/ppl.13834] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/11/2022] [Accepted: 11/24/2022] [Indexed: 06/16/2023]
Abstract
The rapid softening of sweet cherry fruits during ripening results in the deterioration of fruit quality. However, few genes related to sweet cherry fruit ripening and softening have been identified, and the molecular regulatory mechanisms underlying this process are poorly understood. Here, we identified and functionally characterized PavNAC56, a NAC transcription factor that positively regulates sweet cherry fruit ripening and softening. Gene expression analyses showed that PavNAC56 was specifically and abundantly expressed in the fruit, and its transcript levels increased in response to abscisic acid (ABA). A subcellular localization analysis revealed that PavNAC56 is a nucleus-localized protein. Virus-induced gene silencing of PavNAC56 inhibited fruit ripening, enhanced fruit firmness, decreased the contents of ABA, anthocyanins, and soluble solids, and down-regulated several fruit ripening-related genes. Yeast one-hybrid and dual-luciferase assays showed that PavNAC56 directly binds to the promoters of several genes related to cell wall metabolism (PavPG2, PavEXPA4, PavPL18, and PavCEL8) and activates their expression. Overall, our findings show that PavNAC56 plays an indispensable role in controlling the ripening and softening of sweet cherry fruit and provides new insights into the regulatory mechanisms by which NAC transcription factors affect nonclimacteric fruit ripening and softening.
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Affiliation(s)
- Xiliang Qi
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, China
| | - Yuanxin Dong
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, China
| | - Congli Liu
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, China
| | - Lulu Song
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, China
| | - Lei Chen
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, China
| | - Ming Li
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, China
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63
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Li F, Fu M, Zhou S, Xie Q, Chen G, Chen X, Hu Z. A tomato HD-zip I transcription factor, VAHOX1, acts as a negative regulator of fruit ripening. HORTICULTURE RESEARCH 2022; 10:uhac236. [PMID: 36643762 PMCID: PMC9832867 DOI: 10.1093/hr/uhac236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 10/14/2022] [Indexed: 06/17/2023]
Abstract
Homeodomain-leucine zipper (HD-Zip) transcription factors are only present in higher plants and are involved in plant development and stress responses. However, our understanding of their participation in the fruit ripening of economical plants, such as tomato (Solanum lycopersicum), remains largely unclear. Here, we report that VAHOX1, a member of the tomato HD-Zip I subfamily, was expressed in all tissues, was highly expressed in breaker+4 fruits, and could be induced by ethylene. RNAi repression of VAHOX1 (VAHOX1-RNAi) resulted in accelerated fruit ripening, enhanced sensitivity to ethylene, and increased total carotenoid content and ethylene production. Conversely, VAHOX1 overexpression (VAHOX1-OE) in tomato had the opposite effect. RNA-Seq results showed that altering VAHOX1 expression affected the transcript accumulation of a series of genes involved in ethylene biosynthesis and signal transduction and cell wall modification. Additionally, a dual-luciferase reporter assay, histochemical analysis of GUS activity and a yeast one-hybrid (Y1H) assay revealed that VAHOX1 could activate the expression of AP2a. Our findings may expand our knowledge about the physiological functions of HD-Zip transcription factors in tomato and highlight the diversities of transcriptional regulation during the fruit ripening process.
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Affiliation(s)
- Fenfen Li
- Laboratory of Molecular Biology of Tomato, Bioengineering College, Chongqing University, Chongqing, China
| | - Mengjie Fu
- Laboratory of Molecular Biology of Tomato, Bioengineering College, Chongqing University, Chongqing, China
| | - Shengen Zhou
- Laboratory of Molecular Biology of Tomato, Bioengineering College, Chongqing University, Chongqing, China
| | - Qiaoli Xie
- Laboratory of Molecular Biology of Tomato, Bioengineering College, Chongqing University, Chongqing, China
| | - Guoping Chen
- Laboratory of Molecular Biology of Tomato, Bioengineering College, Chongqing University, Chongqing, China
| | - Xuqing Chen
- Co-corresponding author: Zongli Hu: Bioengineering College, Chongqing University, Campus B, 174 Shapingba Main Street, Chongqing, 400030, China, E-mail: ; Xuqing Chen: Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, 11 Shuguanghuayuan Middle Road, Haidian, Beijing, 100097, China, E-mail:
| | - Zongli Hu
- Co-corresponding author: Zongli Hu: Bioengineering College, Chongqing University, Campus B, 174 Shapingba Main Street, Chongqing, 400030, China, E-mail: ; Xuqing Chen: Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, 11 Shuguanghuayuan Middle Road, Haidian, Beijing, 100097, China, E-mail:
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64
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Peng Z, Liu G, Li H, Wang Y, Gao H, Jemrić T, Fu D. Molecular and Genetic Events Determining the Softening of Fleshy Fruits: A Comprehensive Review. Int J Mol Sci 2022; 23:12482. [PMID: 36293335 PMCID: PMC9604029 DOI: 10.3390/ijms232012482] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/28/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Fruit softening that occurs during fruit ripening and postharvest storage determines the fruit quality, shelf life and commercial value and makes fruits more attractive for seed dispersal. In addition, over-softening results in fruit eventual decay, render fruit susceptible to invasion by opportunistic pathogens. Many studies have been conducted to reveal how fruit softens and how to control softening. However, softening is a complex and delicate life process, including physiological, biochemical and metabolic changes, which are closely related to each other and are affected by environmental conditions such as temperature, humidity and light. In this review, the current knowledge regarding fruit softening mechanisms is summarized from cell wall metabolism (cell wall structure changes and cell-wall-degrading enzymes), plant hormones (ETH, ABA, IAA and BR et al.), transcription factors (MADS-Box, AP2/ERF, NAC, MYB and BZR) and epigenetics (DNA methylation, histone demethylation and histone acetylation) and a diagram of the regulatory relationship between these factors is provided. It will provide reference for the cultivation of anti-softening fruits.
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Affiliation(s)
- Zhenzhen Peng
- Laboratory of Fruit Biology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Gangshuai Liu
- Laboratory of Fruit Biology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Hongli Li
- Laboratory of Fruit Biology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Yunxiang Wang
- Institute of Agri-Food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097, China
| | - Haiyan Gao
- Key Laboratory of Post-Harvest Handing of Fruits, Ministry of Agriculture and Rural Affairs, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Tomislav Jemrić
- Department of Pomology, Division of Horticulture and Landscape Architecture, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Daqi Fu
- Laboratory of Fruit Biology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
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65
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Guo S, Zheng Y, Meng D, Zhao X, Sang Z, Tan J, Deng Z, Lang Z, Zhang B, Wang Q, Bouzayen M, Zuo J. DNA and coding/non-coding RNA methylation analysis provide insights into tomato fruit ripening. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 112:399-413. [PMID: 36004545 DOI: 10.1111/tpj.15951] [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: 06/13/2022] [Revised: 08/03/2022] [Accepted: 08/14/2022] [Indexed: 06/15/2023]
Abstract
Ripening is the last, irreversible developmental stage during which fruit become palatable, thus promoting seed dispersal by frugivory. In Alisa Craig fruit, mRNAs with increasing m5C levels, such as STPK and WRKY 40, were identified as being involved in response to biotic and abiotic stresses. Furthermore, two mRNAs involved in cell wall metabolism, PG and EXP-B1, also presented increased m5C levels. In the Nr mutant, several m5C-modified mRNAs involved in fruit ripening, including those encoding WRKY and MADS-box proteins, were found. Targets of long non-coding RNAs and circular RNAs with different m5C sites were also found; these targets included 2-alkenal reductase, soluble starch synthase 1, WRKY, MADS-box, and F-box/ketch-repeat protein SKIP11. A combined analysis of changes in 5mC methylation and mRNA revealed many differentially expressed genes with differentially methylated regions encoding transcription factors and key enzymes related to ethylene biosynthesis and signal transduction; these included ERF084, EIN3, AP2/ERF, ACO5, ACS7, EIN3/4, EBF1, MADS-box, AP2/ERF, and ETR1. Taken together, our findings contribute to the global understanding of the mechanisms underlying fruit ripening, thereby providing new information for both fruit and post-harvest behavior.
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Affiliation(s)
- Susu Guo
- Institute of Agri-food Processing and Nutrition, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Yanyan Zheng
- Institute of Agri-food Processing and Nutrition, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Demei Meng
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Xiaoyan Zhao
- Institute of Agri-food Processing and Nutrition, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Zhaoze Sang
- Institute of Agri-food Processing and Nutrition, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Jinjuan Tan
- Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Zhiping Deng
- Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Zhaobo Lang
- Shanghai Center for Plant Stress Biology, National Key Laboratory of Plant Molecular Genetics, Center of Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Bo Zhang
- College of Agriculture & Biotechnology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Qing Wang
- Institute of Agri-food Processing and Nutrition, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Mondher Bouzayen
- Laboratory Genomics and Biotechnology of Fruits, INRA, Toulouse INP, University of Toulouse, Castanet-Tolosan, France
| | - Jinhua Zuo
- Institute of Agri-food Processing and Nutrition, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
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66
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Irfan M, Kumar P, Kumar V, Datta A. Fruit ripening specific expression of β-D-N-acetylhexosaminidase (β-Hex) gene in tomato is transcriptionally regulated by ethylene response factor SlERF.E4. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 323:111380. [PMID: 35842058 DOI: 10.1016/j.plantsci.2022.111380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 06/08/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
N-glycans and N-glycan processing enzymes are key players in regulating the ripening of tomato (Solanum lycopersicum) fruits, a model for fleshy fruit ripening. β-D-N-acetylhexosaminidase (β-Hex) is a N-glycan processing enzyme involved in fruit ripening. The suppression of β-Hex results in enhanced fruit shelf life and firmness in both climacteric and non-climacteric fruits. Previously, we have shown that ripening specific expression of β-Hex is regulated by RIPENING INHIBITOR (RIN), ABSCISIC ACID STRESS RIPENING 1 (SlASR1) and ethylene. However, the precise mechanism of ethylene-mediated regulation of β-Hex remains elusive. To gain insights into this, we have performed 5' deletion mapping of tomato β-Hex promoter and a shorter promoter fragment (pD-200, 200 bp upstream to translational start site) is identified, which was found critical for spatio-temporal transcriptional regulation of β-Hex. Further, site specific mutagenesis in RIN and ASR1 binding sites in pD-200 provides key insights into ripening specific promoter activity. Furthermore, induction of GUS activity by ethylene, yeast one hybrid assay and EMSA identify Ethylene Response Factor SlERF.E4 as a positive regulator of β-Hex. Taken together, our study suggest that SlERF.E4 together with RIN and SlASR1 transcriptionally regulates β-Hex and all these three proteins are essential for fruit ripening specific expression of β-Hex in tomato.
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Affiliation(s)
- Mohammad Irfan
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi 110067, India; Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York, USA.
| | - Pankaj Kumar
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi 110067, India; Department of Biotechnology, Dr. Y.S. Parmar University of Horticulture and Forestry, Solan, Himachal Pradesh, India
| | - Vinay Kumar
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi 110067, India; Department of Physiology and Cell Biology, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Asis Datta
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi 110067, India.
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67
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Choi I, Ahn CS, Lee DH, Baek SA, Jung JW, Kim JK, Lee HS, Pai HS. Silencing of the Target of Rapamycin Complex Genes Stimulates Tomato Fruit Ripening. Mol Cells 2022; 45:660-672. [PMID: 35993163 PMCID: PMC9448650 DOI: 10.14348/molcells.2022.2025] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 04/19/2022] [Accepted: 04/25/2022] [Indexed: 11/27/2022] Open
Abstract
The target of rapamycin complex (TORC) plays a key role in plant cell growth and survival by regulating the gene expression and metabolism according to environmental information. TORC activates transcription, mRNA translation, and anabolic processes under favorable conditions, thereby promoting plant growth and development. Tomato fruit ripening is a complex developmental process promoted by ethylene and specific transcription factors. TORC is known to modulate leaf senescence in tomato. In this study, we investigated the function of TORC in tomato fruit ripening using virus-induced gene silencing (VIGS) of the TORC genes, TOR, lethal with SEC13 protein 8 (LST8), and regulatory-associated protein of TOR (RAPTOR). Quantitative reverse transcription-polymerase chain reaction showed that the expression levels of tomato TORC genes were the highest in the orange stage during fruit development in Micro-Tom tomato. VIGS of these TORC genes using stage 2 tomato accelerated fruit ripening with premature orange/red coloring and decreased fruit growth, when control tobacco rattle virus 2 (TRV2)-myc fruits reached the mature green stage. TORC-deficient fruits showed early accumulation of carotenoid lycopene and reduced cellulose deposition in pericarp cell walls. The early ripening fruits had higher levels of transcripts related to fruit ripening transcription factors, ethylene biosynthesis, carotenoid synthesis, and cell wall modification. Finally, the early ripening phenotype in Micro-Tom tomato was reproduced in the commercial cultivar Moneymaker tomato by VIGS of the TORC genes. Collectively, these results demonstrate that TORC plays an important role in tomato fruit ripening by modulating the transcription of various ripening-related genes.
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Affiliation(s)
- Ilyeong Choi
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
| | - Chang Sook Ahn
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Platform Technology Research Center, Corporate R&D, LG Chem/LG Science Park, Seoul 07796, Korea
| | - Du-Hwa Lee
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Seung-A Baek
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea
| | - Jung Won Jung
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea
| | - Jae Kwang Kim
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea
| | - Ho-Seok Lee
- Department of Biology, Kyung Hee University, Seoul 02447, Korea
| | - Hyun-Sook Pai
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
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Steelheart C, Alegre ML, Baldet P, Rothan C, Bres C, Just D, Okabe Y, Ezura H, Ganganelli IM, Gergoff Grozeff GE, Bartoli CG. High light stress induces H 2O 2 production and accelerates fruit ripening in tomato. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 322:111348. [PMID: 35750294 DOI: 10.1016/j.plantsci.2022.111348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 06/03/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Increased synthesis of H2O2 is observed during the initiation of fruit ripening. However, its association with plant cell processes triggering the maturation of fruit has not yet been demonstrated. The aim of this work is to investigate whether H2O2 participates in the tomato ripening process and particularly through its association with the ethylene signaling pathway. The experiments were carried out with two ethyl methanesulfonate mutant lines of Micro-Tom tomato deficient in GDP-L-galactose phosphorylase activity and displaying lower ascorbic acid content than the corresponding parental genotype (i.e. wild type). Plants were subjected to a high irradiance (HI) treatment to stimulate H2O2 synthesis. HI treatment enhanced H2O2 production and reduced the timing of fruit ripening in both mutants and wild-type fruits. These results could be linked to an increase of the expression of H2O2-related genes and changes in the expression of ethylene-related genes. The fruit H2O2 production increased or decreased after applying the treatments that induced ethylene synthesis or blocked its action, respectively. The results presented in this work give an evidence of the association of redox and hormonal components during fruit ripening in which H2O2 participates downstream in the events regulated by ethylene.
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Affiliation(s)
- Charlotte Steelheart
- INFIVE, Facultades de Ciencias Agrarias y Forestales y Ciencias Naturales y Museo, Universidad Nacional de La Plata-CCT CONICET La Plata, Argentina
| | - Matías L Alegre
- INFIVE, Facultades de Ciencias Agrarias y Forestales y Ciencias Naturales y Museo, Universidad Nacional de La Plata-CCT CONICET La Plata, Argentina
| | - Pierre Baldet
- Institut National de la Recherche Agronomique (INRAE), Université de Bordeaux, UMR 1332 Biologie du Fruit et Pathologie, F-33140 Villenave d'Ornon, France
| | - Christophe Rothan
- Institut National de la Recherche Agronomique (INRAE), Université de Bordeaux, UMR 1332 Biologie du Fruit et Pathologie, F-33140 Villenave d'Ornon, France
| | - Cecile Bres
- Institut National de la Recherche Agronomique (INRAE), Université de Bordeaux, UMR 1332 Biologie du Fruit et Pathologie, F-33140 Villenave d'Ornon, France
| | - Daniel Just
- Institut National de la Recherche Agronomique (INRAE), Université de Bordeaux, UMR 1332 Biologie du Fruit et Pathologie, F-33140 Villenave d'Ornon, France
| | - Yoshihiro Okabe
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan; Tsukuba Plant Innovation Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Hiroshi Ezura
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan; Tsukuba Plant Innovation Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Inti M Ganganelli
- INFIVE, Facultades de Ciencias Agrarias y Forestales y Ciencias Naturales y Museo, Universidad Nacional de La Plata-CCT CONICET La Plata, Argentina
| | - Gustavo E Gergoff Grozeff
- INFIVE, Facultades de Ciencias Agrarias y Forestales y Ciencias Naturales y Museo, Universidad Nacional de La Plata-CCT CONICET La Plata, Argentina
| | - Carlos G Bartoli
- INFIVE, Facultades de Ciencias Agrarias y Forestales y Ciencias Naturales y Museo, Universidad Nacional de La Plata-CCT CONICET La Plata, Argentina.
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69
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Gao Y, Lin Y, Xu M, Bian H, Zhang C, Wang J, Wang H, Xu Y, Niu Q, Zuo J, Fu DQ, Pan Y, Chen K, Klee H, Lang Z, Zhang B. The role and interaction between transcription factor NAC-NOR and DNA demethylase SlDML2 in the biosynthesis of tomato fruit flavor volatiles. THE NEW PHYTOLOGIST 2022; 235:1913-1926. [PMID: 35686614 DOI: 10.1111/nph.18301] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/22/2022] [Indexed: 06/15/2023]
Abstract
Flavor-imparting volatile chemicals accumulate as fruits ripen, making major contributions to taste. The NAC transcription factor nonripening (NAC-NOR) and DNA demethylase 2 (SlDML2) are essential for tomato fruit ripening, but details of the potential roles and the relationship between these two regulators in the synthesis of volatiles are lacking. Here, we show substantial reductions in fatty acid and carotenoid-derived volatiles in tomato slnor and sldml2 mutants. An unexpected finding is the redundancy and divergence in volatile profiles, biosynthetic gene expression, and DNA methylation in slnor and sldml2 mutants relative to wild-type tomato fruit. Reduced transcript levels are accompanied by hypermethylation of promoters, including the NAC-NOR target gene lipoxygenase (SlLOXC) that is involved in fatty acid-derived volatile synthesis. Interestingly, NAC-NOR activates SlDML2 expression by directly binding to its promoter both in vitro and in vivo. Meanwhile, reduced NAC-NOR expression in the sldml2 mutant is accompanied by hypermethylation of its promoter. These results reveal a relationship between SlDML2-mediated DNA demethylation and NAC-NOR during tomato fruit ripening. In addition to providing new insights into the metabolic modulation of flavor volatiles, the outcome of our study contributes to understanding the genetics and control of fruit ripening and quality attributes in tomato.
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Affiliation(s)
- Ying Gao
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Yujing Lin
- Shanghai Center for Plant Stress Biology, and National Key Laboratory of Plant Molecular Genetics, Center of Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Min Xu
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Hanxiao Bian
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Chi Zhang
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Jingyu Wang
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Hanqing Wang
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Yaping Xu
- Shanghai Center for Plant Stress Biology, and National Key Laboratory of Plant Molecular Genetics, Center of Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Qingfeng Niu
- Shanghai Center for Plant Stress Biology, and National Key Laboratory of Plant Molecular Genetics, Center of Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Jinhua Zuo
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Da-Qi Fu
- Laboratory of Fruit Biology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Yu Pan
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Southwest University, Chongqing, 400715, China
| | - Kunsong Chen
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Harry Klee
- Horticultural Sciences, Genetic Institute, University of Florida, Gainesville, FL, 32611, USA
| | - Zhaobo Lang
- Shanghai Center for Plant Stress Biology, and National Key Laboratory of Plant Molecular Genetics, Center of Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Bo Zhang
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
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70
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Shi Y, Li BJ, Su G, Zhang M, Grierson D, Chen KS. Transcriptional regulation of fleshy fruit texture. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2022; 64:1649-1672. [PMID: 35731033 DOI: 10.1111/jipb.13316] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/22/2022] [Indexed: 05/24/2023]
Abstract
Fleshy fruit texture is a critically important quality characteristic of ripe fruit. Softening is an irreversible process which operates in most fleshy fruits during ripening which, together with changes in color and taste, contributes to improvements in mouthfeel and general attractiveness. Softening results mainly from the expression of genes encoding enzymes responsible for cell wall modifications but starch degradation and high levels of flavonoids can also contribute to texture change. Some fleshy fruit undergo lignification during development and post-harvest, which negatively affects eating quality. Excessive softening can also lead to physical damage and infection, particularly during transport and storage which causes severe supply chain losses. Many transcription factors (TFs) that regulate fruit texture by controlling the expression of genes involved in cell wall and starch metabolism have been characterized. Some TFs directly regulate cell wall targets, while others act as part of a broader regulatory program governing several aspects of the ripening process. In this review, we focus on advances in our understanding of the transcriptional regulatory mechanisms governing fruit textural change during fruit development, ripening and post-harvest. Potential targets for breeding and future research directions for the control of texture and quality improvement are discussed.
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Affiliation(s)
- Yanna Shi
- College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Bai-Jun Li
- College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Guanqing Su
- College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Mengxue Zhang
- College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Donald Grierson
- State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK
| | - Kun-Song Chen
- College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
- State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
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71
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Wang W, Fan D, Hao Q, Jia W. Signal transduction in non-climacteric fruit ripening. HORTICULTURE RESEARCH 2022; 9:uhac190. [PMID: 36329721 PMCID: PMC9622361 DOI: 10.1093/hr/uhac190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 08/18/2022] [Indexed: 06/16/2023]
Abstract
Fleshy fruit ripening involves changes in numerous cellular processes and metabolic pathways, resulting from the coordinated actions of diverse classes of structural and regulatory proteins. These include enzymes, transporters and complex signal transduction systems. Many aspects of the signaling machinery that orchestrates the ripening of climacteric fruits, such as tomato (Solanum lycopersicum), have been elucidated, but less is known about analogous processes in non-climacteric fruits. The latter include strawberry (Fragaria x ananassa) and grape (Vitis vinifera), both of which are used as non-climacteric fruit experimental model systems, although they originate from different organs: the grape berry is a true fruit derived from the ovary, while strawberry is an accessory fruit that is derived from the floral receptacle. In this article, we summarize insights into the signal transduction events involved in strawberry and grape berry ripening. We highlight the mechanisms underlying non-climacteric fruit ripening, the multiple primary signals and their integrated action, individual signaling components, pathways and their crosstalk, as well as the associated transcription factors and their signaling output.
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Affiliation(s)
| | | | - Qing Hao
- Corresponding authors: E-mail: ;
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72
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Liu W, Liu K, Chen D, Zhang Z, Li B, El-Mogy MM, Tian S, Chen T. Solanum lycopersicum, a Model Plant for the Studies in Developmental Biology, Stress Biology and Food Science. Foods 2022; 11:2402. [PMID: 36010400 PMCID: PMC9407197 DOI: 10.3390/foods11162402] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 08/09/2022] [Indexed: 12/15/2022] Open
Abstract
Fruits, vegetables and other plant-derived foods contribute important ingredients for human diets, and are thus favored by consumers worldwide. Among these horticultural crops, tomato belongs to the Solanaceae family, ranks only secondary to potato (S. tuberosum L.) in yields and is widely cultivated for fresh fruit and processed foods owing to its abundant nutritional constituents (including vitamins, dietary fibers, antioxidants and pigments). Aside from its important economic and nutritional values, tomato is also well received as a model species for the studies on many fundamental biological events, including regulations on flowering, shoot apical meristem maintenance, fruit ripening, as well as responses to abiotic and biotic stresses (such as light, salinity, temperature and various pathogens). Moreover, tomato also provides abundant health-promoting secondary metabolites (flavonoids, phenolics, alkaloids, etc.), making it an excellent source and experimental system for investigating nutrient biosynthesis and availability in food science. Here, we summarize some latest results on these aspects, which may provide some references for further investigations on developmental biology, stress signaling and food science.
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Affiliation(s)
- Wei Liu
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kui Liu
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Daoguo Chen
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhanquan Zhang
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Boqiang Li
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mohamed M. El-Mogy
- Vegetable Crops Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Shiping Tian
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tong Chen
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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73
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Li S, Wu P, Yu X, Cao J, Chen X, Gao L, Chen K, Grierson D. Contrasting Roles of Ethylene Response Factors in Pathogen Response and Ripening in Fleshy Fruit. Cells 2022; 11:cells11162484. [PMID: 36010560 PMCID: PMC9406635 DOI: 10.3390/cells11162484] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/01/2022] [Accepted: 08/09/2022] [Indexed: 11/16/2022] Open
Abstract
Fleshy fruits are generally hard and unpalatable when unripe; however, as they mature, their quality is transformed by the complex and dynamic genetic and biochemical process of ripening, which affects all cell compartments. Ripening fruits are enriched with nutrients such as acids, sugars, vitamins, attractive volatiles and pigments and develop a pleasant taste and texture and become attractive to eat. Ripening also increases sensitivity to pathogens, and this presents a crucial problem for fruit postharvest transport and storage: how to enhance pathogen resistance while maintaining ripening quality. Fruit development and ripening involve many changes in gene expression regulated by transcription factors (TFs), some of which respond to hormones such as auxin, abscisic acid (ABA) and ethylene. Ethylene response factor (ERF) TFs regulate both fruit ripening and resistance to pathogen stresses. Different ERFs regulate fruit ripening and/or pathogen responses in both fleshy climacteric and non-climacteric fruits and function cooperatively or independently of other TFs. In this review, we summarize the current status of studies on ERFs that regulate fruit ripening and responses to infection by several fungal pathogens, including a systematic ERF transcriptome analysis of fungal grey mould infection of tomato caused by Botrytis cinerea. This deepening understanding of the function of ERFs in fruit ripening and pathogen responses may identify novel approaches for engineering transcriptional regulation to improve fruit quality and pathogen resistance.
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Affiliation(s)
- Shan Li
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
- Correspondence: (S.L.); (D.G.)
| | - Pan Wu
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
| | - Xiaofen Yu
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
| | - Jinping Cao
- College of Agriculture and Biotechnology, Zhejiang University, Zijinggang Campus, Hangzhou 310058, China
| | - Xia Chen
- College of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Lei Gao
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
| | - Kunsong Chen
- College of Agriculture and Biotechnology, Zhejiang University, Zijinggang Campus, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijinggang Campus, Hangzhou 310058, China
| | - Donald Grierson
- College of Agriculture and Biotechnology, Zhejiang University, Zijinggang Campus, Hangzhou 310058, China
- Plant and Crop Sciences Division, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK
- Correspondence: (S.L.); (D.G.)
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74
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Kaur A, Sharma S, Navprem S. Comparison studies on sucrose metabolism and phenolic content during fruit growth and maturation in pear cultivars. ACTA ALIMENTARIA 2022. [DOI: 10.1556/066.2022.00044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
‘Patharnakh’ (Pyrus pyrifolia Burm.) (PN), a hard pear and ‘Punjab Beauty’ (Pyrus communis L. × Pyrus pyrifolia Burm.) (PB), a soft pear are dominant low-chill pear cultivars of subtropics of India. Present investigation reports the changes in sugar metabolism and related enzymatic activities in fruits of ‘PN’ and ‘PB’ cultivars harvested at different developmental stages from 45 to 150 days after fruit set. Total soluble sugars, fructose, and sucrose contents were higher in ‘PB’ as compared to ‘PN’ during fruit growth and maturation stages. Total phenols and flavanols increased initially and then showed a decreasing trend towards maturity. Sucrose synthase (SS) and sucrose phosphate synthase (SPS) activities strongly correlated to sucrose content in ‘PN’ but SPS was weakly related in ‘PB’ fruits. Acid and neutral invertases showed a negative correlation with sucrose content in ‘PN’, and a reverse trend in ‘PB’ cultivar was observed. It is concluded that SS and SPS are crucial for sucrose accumulation in ‘PN’, but invertase enzymes are also important for sucrose accumulation in ‘PB’ fruits.
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Affiliation(s)
- A. Kaur
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, 141 004, India
| | - S. Sharma
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, 141 004, India
| | - S. Navprem
- Department of Fruit Science, Punjab Agricultural University, Ludhiana, 141 004, India
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75
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Li X, Yang Y, Zeng N, Qu G, Fu D, Zhu B, Luo Y, Ostersetzer-Biran O, Zhu H. Glycine-rich RNA-binding cofactor RZ1AL is associated with tomato ripening and development. HORTICULTURE RESEARCH 2022; 9:uhac134. [PMID: 35937858 PMCID: PMC9350831 DOI: 10.1093/hr/uhac134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 06/04/2022] [Indexed: 06/15/2023]
Abstract
Tomato ripening is a complex and dynamic process coordinated by many regulatory elements, including plant hormones, transcription factors, and numerous ripening-related RNAs and proteins. Although recent studies have shown that some RNA-binding proteins are involved in the regulation of the ripening process, understanding of how RNA-binding proteins affect fruit ripening is still limited. Here, we report the analysis of a glycine-rich RNA-binding protein, RZ1A-Like (RZ1AL), which plays an important role in tomato ripening, especially fruit coloring. To analyze the functions of RZ1AL in fruit development and ripening, we generated knockout cr-rz1al mutant lines via the CRISPR/Cas9 gene-editing system. Knockout of RZ1AL reduced fruit lycopene content and weight in the cr-rz1al mutant plants. RZ1AL encodes a nucleus-localized protein that is associated with Cajal-related bodies. RNA-seq data demonstrated that the expression levels of genes that encode several key enzymes associated with carotenoid biosynthesis and metabolism were notably downregulated in cr-rz1al fruits. Proteomic analysis revealed that the levels of various ribosomal subunit proteins were reduced. This could affect the translation of ripening-related proteins such as ZDS. Collectively, our findings demonstrate that RZ1AL may participate in the regulation of carotenoid biosynthesis and metabolism and affect tomato development and fruit ripening.
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Affiliation(s)
- Xindi Li
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77840, USA
- Institute for Plant Genomics and Biotechnology, Texas A&M University, College Station, TX 77840, USA
| | - Yongfang Yang
- Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Ni Zeng
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Guiqin Qu
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Daqi Fu
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Benzhong Zhu
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Yunbo Luo
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Oren Ostersetzer-Biran
- Department of Plant and Environmental Sciences, Institute of Life Sciences, The Hebrew University of Jerusalem, Edmond J. Safra Campus - Givat Ram, Jerusalem 9190401, Israel
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76
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Ahmar S, Gruszka D. In-Silico Study of Brassinosteroid Signaling Genes in Rice Provides Insight Into Mechanisms Which Regulate Their Expression. Front Genet 2022; 13:953458. [PMID: 35873468 PMCID: PMC9299959 DOI: 10.3389/fgene.2022.953458] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 06/14/2022] [Indexed: 12/14/2022] Open
Abstract
Brassinosteroids (BRs) regulate a diverse spectrum of processes during plant growth and development and modulate plant physiology in response to environmental fluctuations and stress factors. Thus, the BR signaling regulators have the potential to be targeted for gene editing to optimize the architecture of plants and make them more resilient to environmental stress. Our understanding of the BR signaling mechanism in monocot crop species is limited compared to our knowledge of this process accumulated in the model dicot species - Arabidopsis thaliana. A deeper understanding of the BR signaling and response during plant growth and adaptation to continually changing environmental conditions will provide insight into mechanisms that govern the coordinated expression of the BR signaling genes in rice (Oryza sativa) which is a model for cereal crops. Therefore, in this study a comprehensive and detailed in silico analysis of promoter sequences of rice BR signaling genes was performed. Moreover, expression profiles of these genes during various developmental stages and reactions to several stress conditions were analyzed. Additionally, a model of interactions between the encoded proteins was also established. The obtained results revealed that promoters of the 39 BR signaling genes are involved in various regulatory mechanisms and interdependent processes that influence growth, development, and stress response in rice. Different transcription factor-binding sites and cis-regulatory elements in the gene promoters were identified which are involved in regulation of the genes’ expression during plant development and reactions to stress conditions. The in-silico analysis of BR signaling genes in O. sativa provides information about mechanisms which regulate the coordinated expression of these genes during rice development and in response to other phytohormones and environmental factors. Since rice is both an important crop and the model species for other cereals, this information may be important for understanding the regulatory mechanisms that modulate the BR signaling in monocot species. It can also provide new ways for the plant genetic engineering technology by providing novel potential targets, either cis-elements or transcriptional factors, to create elite genotypes with desirable traits.
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Affiliation(s)
- Sunny Ahmar
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Katowice, Poland
| | - Damian Gruszka
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Katowice, Poland
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77
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González-Gordo S, Rodríguez-Ruiz M, Paradela A, Ramos-Fernández A, Corpas FJ, Palma JM. Mitochondrial protein expression during sweet pepper (Capsicum annuum L.) fruit ripening: iTRAQ-based proteomic analysis and role of cytochrome c oxidase. JOURNAL OF PLANT PHYSIOLOGY 2022; 274:153734. [PMID: 35667195 DOI: 10.1016/j.jplph.2022.153734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/19/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
The physiological process of fruit ripening is associated with the late developmental stages of plants in which mitochondrial organelles play an important role in the final success of this whole process. Thus, an isobaric tag for relative and absolute quantification (iTRAQ)-based analysis was used to quantify the mitochondrial proteome in pepper fruits in this study. Analysis of both green and red pepper fruits identified a total of 2284 proteins, of which 692 were found to be significantly more abundant in unripe green fruits as compared to red fruits, while 497 showed lower levels as the ripening process proceeded. Of the total number of proteins identified, 2253 (98,6%) were found to share orthologs with Arabidopsis thaliana. Proteomic analysis identified 163 proteins which were categorized as cell components, the major part assigned to cellular, intracellular space and other subcellular locations such as cytosol, plastids and, to a lesser extent, to mitochondria. Of the 224 mitochondrial proteins detected in pepper fruits, 78 and 48 were more abundant in green and red fruits, respectively. The majority of these proteins which displayed differential abundance in both fruit types were involved in the mitochondrial electron transport chain (mETC) and the tricarboxylic acid (TCA) cycle. The abundance levels of the proteins from both pathways were higher in green fruits, except for cytochrome c (CYC2), whose abundance was significantly higher in red fruits. We also investigated cytochrome c oxidase (COX) activity during pepper fruit ripening, as well as in the presence of molecules such as nitric oxide (NO) and hydrogen peroxide (H2O2), which promote thiol-based oxidative post-translational modifications (oxiPTMs). Thus, with the aid of in vitro assays, cytochrome c oxidase (COX) activity was found to be potentially inhibited by the PTMs nitration, S-nitrosation and carbonylation. According to protein abundance data, the final segment of the mETC appears to be a crucial locus with regard to fruit ripening, but also because in this location the biosynthesis of ascorbate, an antioxidant which plays a major role in the metabolism of pepper fruits, occurs.
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Affiliation(s)
- Salvador González-Gordo
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, CSIC, 18008, Granada, Spain
| | - Marta Rodríguez-Ruiz
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, CSIC, 18008, Granada, Spain
| | - Alberto Paradela
- Proteomics Core Facility, Centro Nacional de Biotecnología, CSIC, Madrid, Spain
| | | | - Francisco J Corpas
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, CSIC, 18008, Granada, Spain
| | - José M Palma
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, CSIC, 18008, Granada, Spain.
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Giordano A, Santo Domingo M, Quadrana L, Pujol M, Martín-Hernández AM, Garcia-Mas J. CRISPR/Cas9 gene editing uncovers the roles of CONSTITUTIVE TRIPLE RESPONSE 1 and REPRESSOR OF SILENCING 1 in melon fruit ripening and epigenetic regulation. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:4022-4033. [PMID: 35394503 DOI: 10.1093/jxb/erac148] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 04/06/2022] [Indexed: 05/14/2023]
Abstract
Melon (Cucumis melo) has emerged as an alternative model to tomato for studying fruit ripening due to the coexistence of climacteric and non-climacteric varieties. Previous characterization of a major quantitative trait locus (QTL), ETHQV8.1, that is able to trigger climacteric ripening in a non-climacteric background resulted in the identification of a negative regulator of ripening CTR1-like (MELO3C024518) and a putative DNA demethylase ROS1 (MELO3C024516) that is the orthologue of DML2, a DNA demethylase that regulates fruit ripening in tomato. To understand the role of these genes in climacteric ripening, in this study we generated homozygous CRISPR knockout mutants of CTR1-like and ROS1 in a climacteric genetic background. The climacteric behavior was altered in both loss-of-function mutants in two growing seasons with an earlier ethylene production profile being observed compared to the climacteric wild type, suggesting a role of both genes in climacteric ripening in melon. Single-cytosine methylome analyses of the ROS1-knockout mutant revealed changes in DNA methylation in the promoter regions of the key ripening genes such as ACS1, ETR1, and ACO1, and in transcription factors associated with ripening including NAC-NOR, RIN, and CNR, suggesting the importance of ROS1-mediated DNA demethylation for triggering fruit ripening in melon.
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Affiliation(s)
- Andrea Giordano
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Miguel Santo Domingo
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Leandro Quadrana
- Institut de Biologie de l'Ecole Normale Supérieure, Paris, France
| | - Marta Pujol
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Ana Montserrat Martín-Hernández
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Jordi Garcia-Mas
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain
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79
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Fan D, Wang W, Hao Q, Jia W. Do Non-climacteric Fruits Share a Common Ripening Mechanism of Hormonal Regulation? FRONTIERS IN PLANT SCIENCE 2022; 13:923484. [PMID: 35755638 PMCID: PMC9218805 DOI: 10.3389/fpls.2022.923484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
Fleshy fruits have been traditionally categorized into climacteric (CL) and non-climacteric (NC) groups. CL fruits share a common ripening mechanism of hormonal regulation, i.e., the ethylene regulation, whereas whether NC fruits share a common mechanism remains controversial. Abscisic acid (ABA) has been commonly thought to be a key regulator in NC fruit ripening; however, besides ABA, many other hormones have been increasingly suggested to play crucial roles in NC fruit ripening. NC fruits vary greatly in their organ origin, constitution, and structure. Development of different organs may be different in the pattern of hormonal regulation. It has been well demonstrated that the growth and development of strawberry, the model of NC fruits, is largely controlled by a hormonal communication between the achenes and receptacle; however, not all NC fruits contain achenes. Accordingly, it is particularly important to understand whether strawberry is indeed able to represent a universal mechanism for the hormonal regulation of NC fruit ripening. In this mini-review, we summarized the recent research advance on the hormone regulation of NC ripening in relation to fruit organ origination, constitution, and structure, whereby analyzing and discussing whether NC fruits may share a common mechanism of hormonal regulation.
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Affiliation(s)
- Dingyu Fan
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Wei Wang
- College of Horticulture, China Agricultural University, Beijing, China
| | - Qing Hao
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Wensuo Jia
- College of Horticulture, China Agricultural University, Beijing, China
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80
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Bianchetti R, Bellora N, de Haro LA, Zuccarelli R, Rosado D, Freschi L, Rossi M, Bermudez L. Phytochrome-Mediated Light Perception Affects Fruit Development and Ripening Through Epigenetic Mechanisms. FRONTIERS IN PLANT SCIENCE 2022; 13:870974. [PMID: 35574124 PMCID: PMC9096621 DOI: 10.3389/fpls.2022.870974] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 03/28/2022] [Indexed: 06/15/2023]
Abstract
Phytochrome (PHY)-mediated light and temperature perception has been increasingly implicated as important regulator of fruit development, ripening, and nutritional quality. Fruit ripening is also critically regulated by chromatin remodeling via DNA demethylation, though the molecular basis connecting epigenetic modifications in fruits and environmental cues remains largely unknown. Here, to unravel whether the PHY-dependent regulation of fruit development involves epigenetic mechanisms, an integrative analysis of the methylome, transcriptome and sRNAome of tomato fruits from phyA single and phyB1B2 double mutants was performed in immature green (IG) and breaker (BK) stages. The transcriptome analysis showed that PHY-mediated light perception regulates more genes in BK than in the early stages of fruit development (IG) and that PHYB1B2 has a more substantial impact than PHYA in the fruit transcriptome, in both analyzed stages. The global profile of methylated cytosines revealed that both PHYA and PHYB1B2 affect the global methylome, but PHYB1B2 has a greater impact on ripening-associated methylation reprogramming across gene-rich genomic regions in tomato fruits. Remarkably, promoters of master ripening-associated transcription factors (TF) (RIN, NOR, CNR, and AP2a) and key carotenoid biosynthetic genes (PSY1, PDS, ZISO, and ZDS) remained highly methylated in phyB1B2 from the IG to BK stage. The positional distribution and enrichment of TF binding sites were analyzed over the promoter region of the phyB1B2 DEGs, exposing an overrepresentation of binding sites for RIN as well as the PHY-downstream effectors PIFs and HY5/HYH. Moreover, phyA and phyB1B2 mutants showed a positive correlation between the methylation level of sRNA cluster-targeted genome regions in gene bodies and mRNA levels. The experimental evidence indicates that PHYB1B2 signal transduction is mediated by a gene expression network involving chromatin organization factors (DNA methylases/demethylases, histone-modifying enzymes, and remodeling factors) and transcriptional regulators leading to altered mRNA profile of ripening-associated genes. This new level of understanding provides insights into the orchestration of epigenetic mechanisms in response to environmental cues affecting agronomical traits.
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Affiliation(s)
- Ricardo Bianchetti
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Nicolas Bellora
- Institute of Nuclear Technologies for Health (Intecnus), National Scientific and Technical Research Council (CONICET), Bariloche, Argentina
| | - Luis A. de Haro
- Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Rafael Zuccarelli
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Daniele Rosado
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Luciano Freschi
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Magdalena Rossi
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Luisa Bermudez
- Instituto de Agrobiotecnología y Biología Molecular (IABIMO), CICVyA, INTA-CONICET, Castelar, Argentina
- Cátedra de Genética, Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina
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81
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Wang S, Wang T, Li Q, Xu C, Tian J, Wang Y, Zhang X, Xu X, Han Z, Wu T. Phosphorylation of MdERF17 by MdMPK4 promotes apple fruit peel degreening during light/dark transitions. THE PLANT CELL 2022; 34:1980-2000. [PMID: 35166845 PMCID: PMC9048921 DOI: 10.1093/plcell/koac049] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 01/11/2022] [Indexed: 05/12/2023]
Abstract
As apple fruits (Malus domestica) mature, they accumulate anthocyanins concomitantly with losing chlorophyll (Chl); however, the molecular pathways and events that coordinate Chl degradation and fruit coloration have not been elucidated. We showed previously that the transcription factor ETHYLENE RESPONSE FACTOR17 (MdERF17) modulates Chl degradation in apple fruit peels and that variation in the pattern of MdERF17 serine (Ser) residues is responsible for differences in its transcriptional regulatory activity. Here, we report that MdERF17 interacts with and is phosphorylated by MAP KINASE4 (MdMPK4-14G). Phosphorylation of MdERF17 at residue Thr67 by MdMPK4-14G is necessary for its transcriptional regulatory activity and its regulation of Chl degradation. We also show that MdERF17 mutants with different numbers of Ser repeat insertions exhibit altered phosphorylation profiles, with more repeats increasing its interaction with MdMPK4. MdMPK4-14G can be activated by exposure to darkness and is involved in the dark-induced degreening of fruit peels. We also demonstrate that greater phosphorylation of MdERF17 by MdMPK4-14G is responsible for the regulation of Chl degradation during light/dark transitions. Overall, our findings reveal the mechanism by which MdMPK4 controls fruit peel coloration.
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Affiliation(s)
- Shuai Wang
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Ting Wang
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Qiqi Li
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Chen Xu
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Ji Tian
- Plant Science and Technology College, Beijing University of Agriculture, Beijing, China
| | - Yi Wang
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Xinzhong Zhang
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Xuefeng Xu
- College of Horticulture, State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | | | - Ting Wu
- Author for correspondence: (T.W.), (Z.H.)
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82
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Wang CK, Li XM, Dong F, Sun CH, Lu WL, Hu DG. Yang cycle enzyme DEP1: its moonlighting functions in PSI and ROS production during leaf senescence. MOLECULAR HORTICULTURE 2022; 2:10. [PMID: 37789483 PMCID: PMC10514949 DOI: 10.1186/s43897-022-00031-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 03/25/2022] [Indexed: 10/05/2023]
Abstract
Ethylene-mediated leaf senescence and the compromise of photosynthesis are closely associated but the underlying molecular mechanism is a mystery. Here we reported that apple DEHYDRATASE-ENOLASE-PHOSPHATASE-COMPLEX1 (MdDEP1), initially characterized to its enzymatic function in the recycling of the ethylene precursor SAM, plays a role in the regulation of photosystem I (PSI) activity, activating reactive oxygen species (ROS) homeostasis, and negatively regulating the leaf senescence. A series of Y2H, Pull-down, CO-IP and Cell-free degradation biochemical assays showed that MdDEP1 directly interacts with and dephosphorylates the nucleus-encoded thylakoid protein MdY3IP1, leading to the destabilization of MdY3IP1, reduction of the PSI activity, and the overproduction of ROS in plant cells. These findings elucidate a novel mechanism that the two pathways intersect at MdDEP1 due to its moonlighting role in destabilizing MdY3IP1, and synchronize ethylene-mediated leaf senescence and the compromise of photosynthesis.
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Affiliation(s)
- Chu-Kun Wang
- National Key Laboratory of Crop Biology; MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation; College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Xiu-Ming Li
- National Key Laboratory of Crop Biology; MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation; College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Fang Dong
- Shandong Institute of Pomology, Key Laboratory for Fruit Biotechnology Breeding of Shandong, Tai'an, 271000, Shandong, China
| | - Cui-Hui Sun
- National Key Laboratory of Crop Biology; MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation; College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Wen-Li Lu
- National Key Laboratory of Crop Biology; MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation; College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China.
| | - Da-Gang Hu
- National Key Laboratory of Crop Biology; MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation; College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China.
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83
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Wei C, Li M, Cao X, Jin Z, Zhang C, Xu M, Chen K, Zhang B. Linalool synthesis related PpTPS1 and PpTPS3 are activated by transcription factor PpERF61 whose expression is associated with DNA methylation during peach fruit ripening. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 317:111200. [PMID: 35193748 DOI: 10.1016/j.plantsci.2022.111200] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 05/24/2023]
Abstract
The monoterpene linalool is a major contributor to flavor of multiple fruit species. Although great progress has been made in identifying genes related to linalool formation, transcriptional regulation for the pathway remains largely unknown. As a super transcription factor family, roles of AP2/ERF in regulating linalool production have not been elucidated. Peach linalool is catalyzed by terpene synthases PpTPS1 and PpTPS3. Here, we observed that expression of PpERF61 correlated with these two PpTPSs during fruit ripening by transcriptome co-expression analysis. Dual-luciferase assay and EMSA results indicated that PpERF61 activated the PpTPS1 and PpTPS3 transcription by binding to the DRE/CRT motif in their promoters. Transient overexpressing PpERF61 in peach fruit significantly increased PpTPS1 and PpTPS3 expression and linalool content. Further study revealed significant correlation between PpERF61 transcripts and linalool contents across 30 peach cultivars. Besides transcriptional regulation, accumulated linalool was associated with DNA demethylation of PpERF61 during peach fruit ripening. In addition, interactions between PpERF61 and PpbHLH1 were evaluated, indicating these two transcription factors were associated with linalool production during peach fruit ripening. Overall, our results revealed a new insight into the regulation of linalool synthesis in fruit.
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Affiliation(s)
- Chunyan Wei
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Mengtao Li
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Xiangmei Cao
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Zhengnan Jin
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Chi Zhang
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Min Xu
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Kunsong Chen
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
| | - Bo Zhang
- Laboratory of Fruit Quality Biology/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China.
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84
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Deng H, Chen Y, Liu Z, Liu Z, Shu P, Wang R, Hao Y, Su D, Pirrello J, Liu Y, Li Z, Grierson D, Giovannoni JJ, Bouzayen M, Liu M. SlERF.F12 modulates the transition to ripening in tomato fruit by recruiting the co-repressor TOPLESS and histone deacetylases to repress key ripening genes. THE PLANT CELL 2022; 34:1250-1272. [PMID: 35099538 PMCID: PMC8972228 DOI: 10.1093/plcell/koac025] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 01/21/2022] [Indexed: 05/24/2023]
Abstract
Ethylene response factors (ERFs) are downstream components of ethylene-signaling pathways known to play critical roles in ethylene-controlled climacteric fruit ripening, yet little is known about the molecular mechanism underlying their mode of action. Here, we demonstrate that SlERF.F12, a member of the ERF.F subfamily containing Ethylene-responsive element-binding factor-associated Amphiphilic Repression (EAR) motifs, negatively regulates the onset of tomato (Solanum lycopersicum) fruit ripening by recruiting the co-repressor TOPLESS 2 (TPL2) and the histone deacetylases (HDAs) HDA1/HDA3 to repress the transcription of ripening-related genes. The SlERF.F12-mediated transcriptional repression of key ripening-related genes 1-AMINO-CYCLOPROPANE-1-CARBOXYLATE SYNTHASE 2 (ACS2), ACS4, POLYGALACTURONASE 2a, and PECTATE LYASE is dependent on the presence of its C-terminal EAR motif. We show that SlERF.F12 interacts with the co-repressor TPL2 via the C-terminal EAR motif and recruits HDAs SlHDA1 and SlHDA3 to form a tripartite complex in vivo that actively represses transcription of ripening genes by decreasing the level of the permissive histone acetylation marks H3K9Ac and H3K27Ac at their promoter regions. These findings provide new insights into the ripening regulatory network and uncover a direct link between repressor ERFs and histone modifiers in modulating the transition to ripening of climacteric fruit.
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Affiliation(s)
- Heng Deng
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Yao Chen
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Ziyu Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Zhaoqiao Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Peng Shu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Ruochen Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Yanwei Hao
- College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Dan Su
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Julien Pirrello
- GBF Laboratory, Université de Toulouse, INRA, Castanet-Tolosan 31320, France
| | - Yongsheng Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Zhengguo Li
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing, China
| | - Don Grierson
- School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK
| | - James J Giovannoni
- Boyce Thompson Institute, Cornell University, Ithaca, New York 14853, USA
- US Department of Agriculture-Agricultural Research Service, Robert W. Holley Center for Agriculture and Health, Ithaca, New York 14853, USA
| | - Mondher Bouzayen
- GBF Laboratory, Université de Toulouse, INRA, Castanet-Tolosan 31320, France
| | - Mingchun Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
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85
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Chan C. Tomatoes not turning red? Shut down SlERF.F12! THE PLANT CELL 2022; 34:1155-1156. [PMID: 35234903 PMCID: PMC8972293 DOI: 10.1093/plcell/koac023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 06/14/2023]
Affiliation(s)
- Ching Chan
- Assistant Features Editor, The Plant Cell, American Society of Plant Biologists, USA
- Agricultural Biotechnology Research Center, Academia Sinica, Taiwan
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86
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Hu Y, Han Z, Wang T, Li H, Li Q, Wang S, Tian J, Wang Y, Zhang X, Xu X, Han Z, Lü P, Wu T. Ethylene response factor MdERF4 and histone deacetylase MdHDA19 suppress apple fruit ripening through histone deacetylation of ripening-related genes. PLANT PHYSIOLOGY 2022; 188:2166-2181. [PMID: 35088866 PMCID: PMC8968277 DOI: 10.1093/plphys/kiac016] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 12/09/2021] [Indexed: 05/12/2023]
Abstract
Histone deacetylase enzymes participate in the regulation of many aspects of plant development. However, the genome-level targets of histone deacetylation during apple (Malus domestica) fruit development have not been resolved in detail, and the mechanisms of regulation of such a process are unknown. We previously showed that the complex of ethylene response factor 4 (MdERF4) and the TOPLESS co-repressor (MdTPL4; MdERF4-MdTPL4) is constitutively active during apple fruit development (Hu et al., 2020), but whether this transcriptional repression complex is coupled to chromatin modification is unknown. Here, we show that a histone deacetylase (MdHDA19) is recruited to the MdERF4-MdTPL4 complex, thereby impacting fruit ethylene biosynthesis. Transient suppression of MdHDA19 expression promoted fruit ripening and ethylene production. To identify potential downstream target genes regulated by MdHDA19, we conducted chromatin immunoprecipitation (ChIP) sequencing of H3K9 and ChIP-quantitative polymerase chain reaction assays. We found that MdHDA19 affects ethylene production by facilitating H3K9 deacetylation and forms a complex with MdERF4-MdTPL4 to directly repress MdACS3a expression by decreasing the degree of acetylation. We demonstrate that an early-maturing-specific acetylation H3K9ac peak in MdACS3a and expression of MdACS3a were specifically up-regulated in fruit of an early-maturing, but not a late-maturing, cultivar. We provide evidence that a C-to-G mutation in the ethylene-responsive element binding factor-associated amphiphilic repression motif of MdERF4 reduces the repression of MdACS3a by the MdERF4-MdTPL4-MdHDA19 complex. Taken together, our results reveal that the MdERF4-MdTPL-MdHDA19 repressor complex participates in the epigenetic regulation of apple fruit ripening.
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Affiliation(s)
| | | | - Ting Wang
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Hua Li
- College of Horticulture, FAFU-UCR Joint Center for Horticultural Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou, 35002, China
| | - Qiqi Li
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Shuai Wang
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Ji Tian
- Plant Science and Technology College, Beijing University of Agriculture, Beijing, 102206, China
| | - Yi Wang
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xinzhong Zhang
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xuefeng Xu
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Zhenhai Han
- State Key Laboratory of Agrobiotechnology, College of Horticulture, China Agricultural University, Beijing, 100193, China
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87
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Xu M, Shen C, Zhu Q, Xu Y, Xue C, Zhu B, Hu J. Comparative metabolomic and transcriptomic analyses revealed the differential accumulation of secondary metabolites during the ripening process of acerola cherry (Malpighia emarginata) fruit. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:1488-1497. [PMID: 34402073 DOI: 10.1002/jsfa.11483] [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: 04/08/2021] [Revised: 07/25/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Acerola cherry is a famous functional fruit containing plentiful antioxidants and other nutrients. However, studies on the variations among nutrients during the ripening process of acerola fruit are scare. RESULTS Comparative metabolomic and transcriptomic analyses were performed and identified 31 331 unigenes and 1896 annotated metabolite features in acerola cherry fruit. K Kyoto Encyclopedia of Genes and Genomes enrichment analysis showed that several antioxidant and nutrient-related metabolic pathways, such as the flavonoids, vitamins, carotenoids, amino acids, and fatty acids metabolic pathways, were significantly changed during the ripening process. The metabolites related to the vitamin, carotenoid, and fatty acid metabolic pathways were downregulated during the ripening process. Several flavonoid biosynthesis-related genes (including dihydroflavonol 4-reductase, chalcone synthase, flavanone 3-hydroxylase, and anthocyanidin synthase), were significantly upregulated, suggesting their essential functions in the accumulation of flavonoids in mature fruit. CONCLUSION Most of the vitamin and carotenoid metabolism-related metabolites significantly accumulated in immature fruit, suggesting that immature acerola fruit is a good material for the extraction of vitamins and carotenoids. For macronutrients, most of the amino acids accumulated in mature fruit and most of the fatty acids greatly accumulated in immature fruit. Our data revealed the differential accumulation of antioxidants and nutrients during the ripening process of acerola cherry fruit. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Mingfeng Xu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Chenjia Shen
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Qin Zhu
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Yunsheng Xu
- School of Food Science and Engineering, Hainan Tropical Ocean University, Sanya, China
| | - Changfeng Xue
- School of Food Science and Engineering, Hainan Tropical Ocean University, Sanya, China
| | - Beiwei Zhu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Jiangning Hu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
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88
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Karniel U, Adler Berke N, Mann V, Hirschberg J. Perturbations in the Carotenoid Biosynthesis Pathway in Tomato Fruit Reactivate the Leaf-Specific Phytoene Synthase 2. FRONTIERS IN PLANT SCIENCE 2022; 13:844748. [PMID: 35283915 PMCID: PMC8914173 DOI: 10.3389/fpls.2022.844748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
The accumulation of the red carotenoid pigment lycopene in tomato (Solanum lycopersicum) fruit is achieved by increased carotenoid synthesis during ripening. The first committed step that determines the flux in the carotenoid pathway is the synthesis of phytoene catalyzed by phytoene synthase (PSY). Tomato has three PSY genes that are differentially expressed. PSY1 is exclusively expressed in fruits, while PSY2 mostly functions in green tissues. It has been established that PSY1 is mostly responsible for phytoene synthesis in fruits. Although PSY2 is found in the chromoplasts, it is inactive because loss-of-function mutations in PSY1 in the locus yellow flesh (r) eliminate carotenoid biosynthesis in the fruit. Here we demonstrate that specific perturbations of carotenoid biosynthesis downstream to phytoene prior and during the transition from chloroplast to chromoplast cause the recovery of phytoene synthesis in yellow flesh (r) fruits without significant transcriptional changes of PSY1 and PSY2. The recovery of carotenoid biosynthesis was abolished when the expression of PSY2 was silenced, indicating that the perturbations of carotenoid biosynthesis reactivated the chloroplast-specific PSY2 in fruit chromoplasts. Furthermore, it is demonstrated that PSY2 can function in fruit chromoplasts under certain conditions, possibly due to alterations in the plastidial sub-organelle organization that affect its association with the carotenoid biosynthesis metabolon. This finding provides a plausible molecular explanation to the epistasis of the mutation tangerine in the gene carotenoid isomerase over yellow flesh.
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Affiliation(s)
| | | | | | - Joseph Hirschberg
- Department of Genetics, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
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89
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Li X, Wang X, Zhang Y, Zhang A, You CX. Regulation of fleshy fruit ripening: From transcription factors to epigenetic modifications. HORTICULTURE RESEARCH 2022; 9:uhac013. [PMID: 35147185 PMCID: PMC9035223 DOI: 10.1093/hr/uhac013] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 12/01/2021] [Indexed: 05/24/2023]
Abstract
Fleshy fruits undergo a complex ripening process, developing organoleptic fruit traits that attract herbivores and maximize seed dispersal. Ripening is the terminal stage of fruit development and involves a series of physiological and biochemical changes. In fleshy fruits, ripening always involves a drastic color change triggered by the accumulation of pigments and degradation of chlorophyll, softening caused by cell wall remodeling, and flavor formation as acids and sugars accumulate alongside volatile compounds. The mechanisms underlying fruit ripening rely on the orchestration of ripening-related transcription factors, plant hormones, and epigenetic modifications. In this review, we discuss current knowledge of the transcription factors that regulate ripening in conjunction with ethylene and environmental signals (light and temperature) in the model plant tomato (Solanum lycopersicum) and other fleshy fruits. We emphasize the critical roles of epigenetic regulation, including DNA methylation and histone modification as well as RNA m6A modification, which has been studied intensively. This detailed review was compiled to provide a comprehensive description of the regulatory mechanisms of fruit ripening and guide new strategies for its effective manipulation.
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Affiliation(s)
- Xiuming Li
- National Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, Shandong 271018, China
| | - Xuemei Wang
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Yi Zhang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai-An, 271018, China
| | - Aihong Zhang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai-An, 271018, China
| | - Chun-Xiang You
- National Key Laboratory of Crop Biology, Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, Shandong 271018, China
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90
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Wang D, Seymour GB. Molecular and biochemical basis of softening in tomato. MOLECULAR HORTICULTURE 2022; 2:5. [PMID: 37789493 PMCID: PMC10515243 DOI: 10.1186/s43897-022-00026-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/20/2022] [Indexed: 10/05/2023]
Abstract
We review the latest information related to the control of fruit softening in tomato and where relevant compare the events with texture changes in other fleshy fruits. Development of an acceptable texture is essential for consumer acceptance, but also determines the postharvest life of fruits. The complex modern supply chain demands effective control of shelf life in tomato without compromising colour and flavour.The control of softening and ripening in tomato (Solanum lycopersicum) are discussed with respect to hormonal cues, epigenetic regulation and transcriptional modulation of cell wall structure-related genes. In the last section we focus on the biochemical changes closely linked with softening in tomato including key aspects of cell wall disassembly. Some important elements of the softening process have been identified, but our understanding of the mechanistic basis of the process in tomato and other fruits remains incomplete, especially the precise relationship between changes in cell wall structure and alterations in fruit texture.
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Affiliation(s)
- Duoduo Wang
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
- School of Life Sciences, Jiangsu University, Zhenjiang, 212013, China
| | - Graham B Seymour
- Divison of Plant and Crop Sciences, University of Nottingham, Sutton Bonington, Loughborough, Leics, LE12 5RD, UK.
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91
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Wang L, Tang T, Wang W, Zhang J, Wang Z, Wang F. Multi-Omics Landscape of DNA Methylation Regulates Browning in “Fuji” Apple. Front Nutr 2022; 8:800489. [PMID: 35198585 PMCID: PMC8859415 DOI: 10.3389/fnut.2021.800489] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 12/29/2021] [Indexed: 12/24/2022] Open
Abstract
Browning seriously affects the quality of fresh-cut fruits, and its mechanism was thought to be polyphenol oxidase (PPO) in the past. A way of non-different PPO browning was found in our previous studies. However, the landscape of this browning way is still unclear in “Fuji” apples. Multi-omics (methylomics, transcriptomics, and proteomics) methods were performed to the global profiles of DNA methylation and gene and protein expression. We employed two natural bud mutation varieties of apple as materials and found a positive correlation between browning index (BI) and methylation (5mC%, MdCMT3, and MdCMT3c) and a negative correlation between BI and demethylation (MdROS1 and MdDME). DNA methylation inhibitor 5-azacytidine can delay apple browning. Further analysis showed that methylated-NCA1 and OMT1 increased significantly in apple browning. Methylated-NCA1 might inhibit NCA1 gene expression and resulted in the decline of catalase activity, thereafter significantly increased apple browning. These findings insight into a new pathway and landscape that DNA hypermethylation significantly accelerated the browning in “Fuji” apple.
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92
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Liu GS, Li HL, Grierson D, Fu DQ. NAC Transcription Factor Family Regulation of Fruit Ripening and Quality: A Review. Cells 2022; 11:cells11030525. [PMID: 35159333 PMCID: PMC8834055 DOI: 10.3390/cells11030525] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/27/2022] [Accepted: 01/31/2022] [Indexed: 01/18/2023] Open
Abstract
The NAC transcription factor (TF) family is one of the largest plant-specific TF families and its members are involved in the regulation of many vital biological processes during plant growth and development. Recent studies have found that NAC TFs play important roles during the ripening of fleshy fruits and the development of quality attributes. This review focuses on the advances in our understanding of the function of NAC TFs in different fruits and their involvement in the biosynthesis and signal transduction of plant hormones, fruit textural changes, color transformation, accumulation of flavor compounds, seed development and fruit senescence. We discuss the theoretical basis and potential regulatory models for NAC TFs action and provide a comprehensive view of their multiple roles in modulating different aspects of fruit ripening and quality.
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Affiliation(s)
- Gang-Shuai Liu
- Laboratory of Fruit Biology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China; (G.-S.L.); (H.-L.L.)
| | - Hong-Li Li
- Laboratory of Fruit Biology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China; (G.-S.L.); (H.-L.L.)
| | - Donald Grierson
- Laboratory of Fruit Quality Biology, Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China;
- Plant Sciences Division, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough LE12 5RD, UK
| | - Da-Qi Fu
- Laboratory of Fruit Biology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China; (G.-S.L.); (H.-L.L.)
- Correspondence:
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93
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Rehman F, Gong H, Bao Y, Zeng S, Huang H, Wang Y. CRISPR gene editing of major domestication traits accelerating breeding for Solanaceae crops improvement. PLANT MOLECULAR BIOLOGY 2022; 108:157-173. [PMID: 35032250 DOI: 10.1007/s11103-021-01229-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
Domestication traits particularly fruit size and plant architecture and flowering are critical in transforming a progenitor's wild stature into a super improved plant. The latest advancements in the CRISPR system, as well as its rapid adoption, are speeding up plant breeding. Solanaceae has a varied range of important crops, with a few model crops, such as tomato and, more recently, groundcherry, serving as a foundation for developing molecular techniques, genome editing tools, and establishing standards for other crops. Domestication traits in agricultural plants are quantified and widely adopted under modern plant breeding to improve small-fruited and bushy crop species like goji berry. The molecular mechanisms of the FW2.2, FW3.2, FW11.3, FAS/CLV3, LC/WUS, SP, SP5G, and CRISPR genome editing technology have been described in detail here. Furthermore, special focus has been placed on CRISPR gene editing achievements for revolutionizing Solanaceae breeding and changing the overall crop landscape. This review seeks to provide a thorough overview of the CRISPR technique's ongoing advancements, particularly in Solanaceae, in terms of domesticated features, future prospects, and regulatory risks. We believe that this vigorous discussion will lead to a broader understanding of CRISPR gene editing as a tool for achieving key breeding goals in other Solanaceae minor crops with significant industrial value.
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Affiliation(s)
- Fazal Rehman
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Haiguang Gong
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Yufei Bao
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shaohua Zeng
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- GNNU-SCBG Joint Laboratory of Modern Agricultural Technology, College of Life Sciences, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Hongwen Huang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Wang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China.
- GNNU-SCBG Joint Laboratory of Modern Agricultural Technology, College of Life Sciences, Gannan Normal University, Ganzhou, 341000, Jiangxi, China.
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China.
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94
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Ding X, Liu X, Jiang G, Li Z, Song Y, Zhang D, Jiang Y, Duan X. SlJMJ7 orchestrates tomato fruit ripening via crosstalk between H3K4me3 and DML2-mediated DNA demethylation. THE NEW PHYTOLOGIST 2022; 233:1202-1219. [PMID: 34729792 DOI: 10.1111/nph.17838] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/28/2021] [Indexed: 06/13/2023]
Abstract
The ripening of fleshy fruits is a unique developmental process that Arabidopsis and rice lack. This process is driven by hormones and transcription factors. However, the critical and early regulators of fruit ripening are still poorly understood. Here, we revealed that SlJMJ7, an H3K4 demethylase, is a critical negative regulator of fruit ripening in tomato. Combined genome-wide transcription, binding sites, histone H3K4me3 and DNA methylation analyses demonstrated that SlJMJ7 regulates a key group of ripening-related genes, including ethylene biosynthesis (ACS2, ACS4 and ACO6), transcriptional regulation (RIN and NOR) and DNA demethylation (DML2) genes, by H3K4me3 demethylation. Moreover, loss of SlJMJ7 function leads to increased H3K4me3 levels, which directly activates ripening-related genes, and to global DML2-mediated DNA hypomethylation in fruit, which indirectly prompts expression of ripening-related genes. Together, these effects lead to accelerated fruit ripening in sljmj7 mutant. Our findings demonstrate that SlJMJ7 acts as a master negative regulator of fruit ripening not only through direct removal of H3K4me3 from multiple key ripening-related factors, but also through crosstalk between histone and DNA demethylation. These findings reveal a novel crosstalk between histone methylation and DNA methylation to regulate gene expression in plant developmental processes.
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Affiliation(s)
- Xiaochun Ding
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Xuncheng Liu
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Guoxiang Jiang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Zhiwei Li
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yunbo Song
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Dandan Zhang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Yueming Jiang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, 10049, China
| | - Xuewu Duan
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, 10049, China
- Agro-food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, China
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95
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Veršić Bratinčević M, Jukić Špika M, Gadže J, Radunić M. A cherry on top ‐ but which one? Use of physicochemical coupled to multivariate analysis for the distinction of fourteen sweet cherry cultivars in Croatia. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Maja Jukić Špika
- Institute for Adriatic Crops and Karst Reclamation Split Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding (CoE CroP‐BioDiv), Svetošimunska cesta 25, 10000 Zagreb Croatia
| | | | - Mira Radunić
- Institute for Adriatic Crops and Karst Reclamation Split Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding (CoE CroP‐BioDiv), Svetošimunska cesta 25, 10000 Zagreb Croatia
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96
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Yang Y, Lu L, Sun D, Wang J, Wang N, Qiao L, Guo Q, Wang C. Fungus Polygalacturonase-Generated Oligogalacturonide Restrains Fruit Softening in Ripening Tomato. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:759-769. [PMID: 34932342 DOI: 10.1021/acs.jafc.1c04972] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Fruit softening exacerbates mechanical damage incurred during shipping and handling and the increase in pathogen susceptibility. Here, oligogalacturonides (OGs) produced by fungal polygalacturonase (PG) delayed fruit softening in tomato and maintained fruit firmness at 8.37 ± 0.45 N at 13 d of storage, which was consistent with the fruit firmness level of 5 d in the control groups. From RNA sequencing data in line production of phytohormones, we confirmed ethylene and jasmonic acid signals, the MAPK signaling cascade, and calmodulin involved in the OG-mediated firmness response of whole fruit. SlPG2, SlPL3, and SlPL5 were the major contributing factors for fruit softening, and their expression decreased continuously upon OG application. Suppression of the expression of ethylene response factors using a virus-induced gene-silencing strategy revealed that SlERF6 was negatively involved in OG-restrained fruit softening. Taken together, these results indicated that fungal PG-generated OGs have potential application value in controlling tomato fruit softening.
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Affiliation(s)
- Ying Yang
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Laifeng Lu
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Dandan Sun
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Jinghao Wang
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Nifei Wang
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Liping Qiao
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Qingbin Guo
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Changlu Wang
- Tianjin Key Laboratory of Food Quality and Health, State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
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97
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Lemaire-Chamley M, Koutouan C, Jorly J, Assali J, Yoshida T, Nogueira M, Tohge T, Ferrand C, Peres LEP, Asamizu E, Ezura H, Fraser PD, Hajirezaei MR, Fernie AR, Rothan C. A Chimeric TGA Repressor Slows Down Fruit Maturation and Ripening in Tomato. PLANT & CELL PHYSIOLOGY 2022; 63:120-134. [PMID: 34665867 DOI: 10.1093/pcp/pcab150] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
The bZIP transcription factor (TF) SlTGA2.2 was previously highlighted as a possible hub in a network regulating fruit growth and transition to ripening (maturation phase). It belongs to a clade of TFs well known for their involvement in the regulation of the salicylic acid-dependent systemic acquired resistance. To investigate if this TGA TF plays a role in tomato fruit growth and maturation, we took advantage of the fruit-specific SlPPC2 promoter (PPC2pro) to target the expression of a SlTGA2.2-SRDX chimeric repressor in a developmental window restricted to early fruit growth and maturation. Here, we show that this SlTGA2.2-SRDX repressor alters early fruit development and metabolism, including chloroplast number and structure, considerably extends the time necessary to reach the mature green stage and slows down fruit ripening. RNA sequencing and plant hormone analyses reveal that PPC2pro:SlTGA2.2-SRDX fruits are maintained in an immature stage as long as PPC2pro is active, through early modifications of plant hormonal signaling and down-regulation of MADS-RIN and NAC-NOR ripening regulators. Once PPC2pro becomes inactive and therefore SlTGA2.2-SRDX expression is reduced, ripening can proceed, albeit at a slower pace than normal. Altogether, this work emphasizes the developmental continuum between fruit growth, maturation and ripening and provides a useful tool to alter and study the molecular bases of tomato fruit transition to ripening.
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Affiliation(s)
- Martine Lemaire-Chamley
- INRAE, University of Bordeaux, UMR1332 BFP, 71 Av E Bourlaux, Villenave d'Ornon 33882, France
| | - Claude Koutouan
- INRAE, University of Bordeaux, UMR1332 BFP, 71 Av E Bourlaux, Villenave d'Ornon 33882, France
| | - Joana Jorly
- INRAE, University of Bordeaux, UMR1332 BFP, 71 Av E Bourlaux, Villenave d'Ornon 33882, France
| | - Julien Assali
- INRAE, University of Bordeaux, UMR1332 BFP, 71 Av E Bourlaux, Villenave d'Ornon 33882, France
| | - Takuya Yoshida
- Max-Planck Institute for Molecular Plant Physiology, Am Mühlenberg 1, Potsdam-Golm 14476, Germany
- Laboratory of Plant Molecular Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Marilise Nogueira
- Department of Biological Sciences, Holloway University of London, Egham Hill, Egham, UK
| | - Takayuki Tohge
- Max-Planck Institute for Molecular Plant Physiology, Am Mühlenberg 1, Potsdam-Golm 14476, Germany
| | - Carine Ferrand
- INRAE, University of Bordeaux, UMR1332 BFP, 71 Av E Bourlaux, Villenave d'Ornon 33882, France
| | - Lázaro E P Peres
- Department of Biological Science, São Paulo University, Avenida Pádua Dias, Piracicaba 13418-900, Brazil
| | - Erika Asamizu
- Tsukuba Plant Innovation Research Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
- Department of Plant Life Science, Faculty of Agriculture, Ryukoku University, Shiga 520-2194, Japan
| | - Hiroshi Ezura
- Tsukuba Plant Innovation Research Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Paul D Fraser
- Department of Plant Life Science, Faculty of Agriculture, Ryukoku University, Shiga 520-2194, Japan
| | - Mohammad-Reza Hajirezaei
- Leibniz Institute of Plant Genetics and Crop Plant Research, OT Gatersleben, Corrensstraße 3, Seeland 06466, Germany
| | - Alisdair R Fernie
- Max-Planck Institute for Molecular Plant Physiology, Am Mühlenberg 1, Potsdam-Golm 14476, Germany
| | - Christophe Rothan
- INRAE, University of Bordeaux, UMR1332 BFP, 71 Av E Bourlaux, Villenave d'Ornon 33882, France
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98
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Aiese Cigliano R, Aversano R, Di Matteo A, Palombieri S, Termolino P, Angelini C, Bostan H, Cammareri M, Consiglio FM, Della Ragione F, Paparo R, Valkov VT, Vitiello A, Carputo D, Chiusano ML, D’Esposito M, Grandillo S, Matarazzo MR, Frusciante L, D’Agostino N, Conicella C. Multi-omics data integration provides insights into the post-harvest biology of a long shelf-life tomato landrace. HORTICULTURE RESEARCH 2022; 9:uhab042. [PMID: 35039852 PMCID: PMC8801724 DOI: 10.1093/hr/uhab042] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 01/18/2022] [Accepted: 10/15/2021] [Indexed: 06/14/2023]
Abstract
In this study we investigated the transcriptome and epigenome dynamics of the tomato fruit during post-harvest in a landrace belonging to a group of tomatoes (Solanum lycopersicum L.) collectively known as "Piennolo del Vesuvio", all characterized by a long shelf-life. Expression of protein-coding genes and microRNAs as well as DNA methylation patterns and histone modifications were analysed in distinct post-harvest phases. Multi-omics data integration contributed to the elucidation of the molecular mechanisms underlying processes leading to long shelf-life. We unveiled global changes in transcriptome and epigenome. DNA methylation increased and the repressive histone mark H3K27me3 was lost as the fruit progressed from red ripe to 150 days post-harvest. Thousands of genes were differentially expressed, about half of which were potentially epi-regulated as they were engaged in at least one epi-mark change in addition to being microRNA targets in ~5% of cases. Down-regulation of the ripening regulator MADS-RIN and of genes involved in ethylene response and cell wall degradation was consistent with the delayed fruit softening. Large-scale epigenome reprogramming that occurred in the fruit during post-harvest likely contributed to delayed fruit senescence.
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Affiliation(s)
| | - Riccardo Aversano
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Antonio Di Matteo
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Samuela Palombieri
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Pasquale Termolino
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Claudia Angelini
- Institute for Applied Calculus, National Research Council of Italy, Via P. Castellino 111, 80131, Napoli
| | - Hamed Bostan
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Maria Cammareri
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Federica Maria Consiglio
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Floriana Della Ragione
- Institute of Genetics and Biophysics "Adriano Buzzati Traverso", National Research Council of Italy, Via P. Castellino 111, 80131, Napoli
| | - Rosa Paparo
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Vladimir Totev Valkov
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via P. Castellino 111, 80131 Napoli, Italy
| | - Antonella Vitiello
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Domenico Carputo
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Maria Luisa Chiusano
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Maurizio D’Esposito
- Institute of Genetics and Biophysics "Adriano Buzzati Traverso", National Research Council of Italy, Via P. Castellino 111, 80131, Napoli
| | - Silvana Grandillo
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
| | - Maria Rosaria Matarazzo
- Institute of Genetics and Biophysics "Adriano Buzzati Traverso", National Research Council of Italy, Via P. Castellino 111, 80131, Napoli
| | - Luigi Frusciante
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Nunzio D’Agostino
- Department of Agricultural Sciences, University of Naples Federico II, Via Universita’ 100, 80055 Portici, Italy
| | - Clara Conicella
- Institute of Biosciences and Bioresources, National Research Council of Italy, Via Universita` 133, 80055 Portici, Italy
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99
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Liu Z, Wu X, Liu H, Zhang M, Liao W. DNA methylation in tomato fruit ripening. PHYSIOLOGIA PLANTARUM 2022; 174:e13627. [PMID: 35040145 DOI: 10.1111/ppl.13627] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Fleshy fruit, the most economical and nutritional value unique to flowering plants, is an important part of our daily diet. Previous studies have shown that fruit ripening is regulated by transcription factors and the plant hormone ethylene, but recent research has also shown that epigenetics also plays an essential role, especially DNA methylation. DNA methylation is the process of transferring -CH3 to the fifth carbon of cytosine residues under the action of methyltransferase to form 5-methylcytosine (5-mC). So far, most works have been focused on tomato. Tomato ripening is dynamically regulated by DNA methylation and demethylation, but the understanding of this mechanism is still in its infancy. The dysfunction of a DNA demethylase, DEMETER-like DNA demethylases 2 (DML2), prevents the ripening of tomato fruits, but immature fruits ripen prematurely under the action of DNA methylation inhibitors. Additionally, studies have shown that the relationship between fruit quality and DNA methylation is not linear, but the specific molecular mechanism is still unclear. Here, we review the recent advances in the role of DNA methylation in tomato fruit ripening, the interaction of ripening transcription factors and DNA methylation, and its effects on quality. Then, a number of questions for future research of DNA methylation regulation in tomato fruit ripening is proposed.
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Affiliation(s)
- Zhiya Liu
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Xuetong Wu
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Huwei Liu
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Meiling Zhang
- College of Science, Gansu Agricultural University, Lanzhou, China
| | - Weibiao Liao
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
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100
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Ramsey JS, Fish TL, Thannhauser TW, Giovannoni JJ. Laser capture of tomato pericarp tissues for microscale carotenoid analysis by supercritical fluid chromatography. Methods Enzymol 2022; 670:213-233. [DOI: 10.1016/bs.mie.2022.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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