Response mechanisms induced by exposure to high temperature in anthers from thermo-tolerant and thermo-sensitive tomato plants: A proteomic perspective

PloS One
Maria Fiorella MazzeoRosa Anna Siciliano

Abstract

Constant global warming is one of the most detrimental environmental factors for agriculture causing significant losses in productivity as heat stress (HS) conditions damage plant growth and reproduction. In flowering plants such as tomato, HS has drastic repercussions on development and functionality of male reproductive organs and pollen. Response mechanisms to HS in tomato anthers and pollen have been widely investigated by transcriptomics; on the contrary, exhaustive proteomic evidences are still lacking. In this context, a differential proteomic study was performed on tomato anthers collected from two genotypes (thermo-tolerant and thermo-sensitive) to explore stress response mechanisms and identify proteins possibly associated to thermo-tolerance. Results showed that HS mainly affected energy and amino acid metabolism and nitrogen assimilation and modulated the expression of proteins involved in assuring protein quality and ROS detoxification. Moreover, proteins potentially associated to thermo-tolerant features, such as glutamine synthetase, S-adenosylmethionine synthase and polyphenol oxidase, were identified.

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Citations

Jan 24, 2019·Journal of Plant Research·Hiroshi UnoMasayoshi Maeshima
Feb 6, 2020·Journal of the Science of Food and Agriculture·Aurelia ScaranoMaria Manuela Rigano
Mar 13, 2020·Plant Biotechnology Journal·Sonia BalyanSaloni Mathur
Sep 29, 2019·Journal of Experimental Botany·Neeta LohaniPrem L Bhalla
Mar 19, 2021·Saudi Journal of Biological Sciences·Muhammed AlsamirNabil Ahmad
Apr 6, 2021·The New Phytologist·Palak ChaturvediDavid Honys
Jun 24, 2021·The Plant Journal : for Cell and Molecular Biology·Estelle BineauMathilde Causse

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Datasets Mentioned

BETA
PXD010156

Methods Mentioned

BETA
protein assay
protein folding
transgenic

Software Mentioned

Mascot
Image
Image Analyses
Image Analysis
ProteinLynx Global Server
Genesis
EMBL STRING
MassLynx
SolCyc
STRING

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