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Physiological and iTRAQ-based proteomic analyses reveal the function of exogenous γ-aminobutyric acid (GABA) in improving tea plant (Camellia sinensis L.) tolerance at cold temperature

Zhu, Xujun ; Liao, Jieren ; Xia, Xingli ; Xiong, Fei ; Li, Yue ; Shen, Jiazhi ; Wen, Bo ; Ma, Yuanchun ; Wang, Yuhua ; Fang, Wanping

BMC plant biology, 2019-01, Vol.19 (1), p.43-43, Article 43 [Periódico revisado por pares]

England: BioMed Central

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Physiological and iTRAQ-based proteomic analyses reveal the function of exogenous γ-aminobutyric acid (GABA) in improving tea plant (Camellia sinensis L.) tolerance at cold temperature
Autor: Zhu, Xujun ; Liao, Jieren ; Xia, Xingli ; Xiong, Fei ; Li, Yue ; Shen, Jiazhi ; Wen, Bo ; Ma, Yuanchun ; Wang, Yuhua ; Fang, Wanping
Assuntos: Abiotic stress ; Acids ; Amino acids ; Anthocyanins ; Antioxidants ; Biological activity ; Biosynthesis ; Caffeine ; Camellia sinensis ; Carbohydrate metabolism ; Carbohydrates ; Carbon ; Carbon and nitrogen metabolism ; Chemical reactions ; Cold ; Cold tolerance ; Differentially abundant proteins ; Energy metabolism ; GABA shunt ; Gene expression ; Genetic engineering ; Genomes ; Humidity ; Ion transport ; Lipid metabolism ; Lipids ; Metabolic pathway ; Metabolism ; Metabolites ; Nitrogen ; Nitrogen metabolism ; Photosynthesis ; Physiological effects ; Physiology ; Polyamines ; Protein metabolism ; Protein turnover ; Proteins ; Secondary metabolites ; Stress ; Stress response ; Tea ; Temperature ; Temperature tolerance ; γ-Aminobutyric acid
É parte de: BMC plant biology, 2019-01, Vol.19 (1), p.43-43, Article 43
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: Internal γ-Aminobutyric Acid (GABA) interacting with stress response substances may be involved in the regulation of differentially abundant proteins (DAPs) associated with optimum temperature and cold stress in tea plants (Camellia sinensis (L.) O. Kuntze). Tea plants supplied with or without 5.0 mM GABA were subjected to optimum or cold temperatures in this study. The increased GABA level induced by exogenous GABA altered levels of stress response substances - such as glutamate, polyamines and anthocyanins - in association with improved cold tolerance. Isobaric tags for relative and absolute quantification (iTRAQ) - based DAPs were found for protein metabolism and nucleotide metabolism, energy, amino acid transport and metabolism other biological processes, inorganic ion transport and metabolism, lipid metabolism, carbohydrate transport and metabolism, biosynthesis of secondary metabolites, antioxidant and stress defense. The iTRAQ analysis could explain the GABA-induced physiological effects associated with cold tolerance in tea plants. Analysis of functional protein-protein networks further showed that alteration of endogenous GABA and stress response substances induced interactions among photosynthesis, amino acid biosynthesis, and carbon and nitrogen metabolism, and the corresponding differences could contribute to improved cold tolerance of tea plants.
Editor: England: BioMed Central
Idioma: Inglês

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Physiological and iTRAQ-based proteomic analyses reveal the function of exogenous γ-aminobutyric acid (GABA) in improving tea plant (Camellia sinensis L.) tolerance at cold temperature

Zhu, Xujun ; Liao, Jieren ; Xia, Xingli ; Xiong, Fei ; Li, Yue ; Shen, Jiazhi ; Wen, Bo ; Ma, Yuanchun ; Wang, Yuhua ; Fang, Wanping

England: BioMed Central

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