Agricultural Proteomics Volume 2: Environmental Stresses by Ghasem Hosseini Salekdeh

By Ghasem Hosseini Salekdeh

This e-book will conceal a number of subject matters to complex how proteomics may well give a contribution in our figuring out of mechanisms interested by pressure variation. the data being gathered through quite a lot of proteomics applied sciences could ultimately be used in breeding courses to reinforce tension tolerance. This publication offers finished reports approximately responses of crop and cattle to environmental stresses. demanding situations concerning pressure phenotyping and integration of proteomics and different omics facts have additionally been addressed.

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At the developmental stage, plants can escape the low oxygen stress caused by flooding through multifaceted alterations in cellular and organ structure that promote access to and diffusion of oxygen [127]. Proteomic studies revealed that one of the common responses of plants to flooding stress is the alteration of proteins involved in primary and secondary metabolism, and energy production. For example, flood stress decreases the level of two glycolytic enzymes in wheat roots, namely fructose-1,6-bisphosphate aldolase and sucrose:fructan 6-fructosyltransferase [128].

Therefore, cereal root proteomics contributions to abiotic stress tolerance are reviewed for the particular stresses. 1 Drought Water deficit affects numerous biological pathways and processes in plants, triggering developmental and physiological responses. Because of this, plants have evolved several adaptations to combat the effects of drought. Anatomically, plants developed spongy tissues to serve as water reservoirs, and growth is impaired to reduce leaf area and limit evaporation [28]. Responses such as leaf rolling, floral abscission, alteration of cuticle permeability [29], and floral induction [30] are also observed.

Comparative proteomic analysis of coldacclimated and non-acclimated rice revealed increased levels of SOD, catalase (CAT), APX, and glutathione reductase (GR) in rice roots when exposed in low temperature [105]. High SOD activity has been associated with stress tolerance in plants because it neutralizes the reactivity of OÀ 2 , which is overproduced under stress [106]. CAT, APX and GR are responsible for scavenging of H2O2. Moreover, enhanced levels of oxalyl-CoA dehydrogenase and glyoxalase I were observed in the roots of rice under chilling stress [27].

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