By Ghasem Hosseini Salekdeh
This ebook will conceal numerous themes to intricate how proteomics may well give a contribution in our realizing of mechanisms taken with tension version. the data being gathered through a variety of proteomics applied sciences could ultimately be used in breeding courses to augment pressure tolerance. This e-book provides entire 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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Extra resources for Agricultural Proteomics Volume 2: Environmental Stresses
Another group of drought-inducible proteins are the LEA (Late Embryogenesis Abundant) proteins. ), these proteins accumulate late during embryogenesis and were later found in other vegetative organs under stress. The highly hydrophilic LEA protein genes have ABA response element (ABRE) and other drought response cis-elements in the promoter, and are hence inducible by ABA or drought . Recently, transgenic rice containing a barley LEA protein HVA1 was shown to be highly tolerant to drought .
In rice roots, 23 differentially expressed proteins were detected upon exposure to As stress, including S-adenosylmethionine synthetase (SAMS), CysK, GSTs and GR . These proteins, which are closely related by their roles in sulfur metabolism, presumably work synchronously wherein GSH plays a central role in protecting cells against As stress . Proteomic analyses of rice root response to As and Al suggest that the mechanism of stress response of rice to As might be similar to Al. In two independent experiments on the Al-sensitive rice cultivar, Michikogane , and on the Al-tolerant rice cultivar, Xiangnuo 1 , GSTs, SAMS, CysK, and Cu/Zn-SODs were also found to be the major enzymes upregulated in rice roots under Al stress.
Biotic stresses also pose a threat to worldwide cereal production. Being in close contact with the soil, roots are more prone to attacks by viruses, bacteria, and fungi. If not mitigated, this generally leads to signiﬁcant decrease in yield and inevitably, economic losses . In addition to microorganisms, plant-parasitic nematodes can also severely affect cereals. With their potential host range encompassing more than 3000 plant species, nematodes can also cause signiﬁcant damage to worldwide agriculture.