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Dec 31, 2020Keywords:
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Main Article Content
ROLE OF FUNCTIONAL METABOLITES IN HEAT STRESS RESPONSES OF SORGHUM BICOLOR (L) MOENCH., AN AGROFORESTRY COMPATIBLE CROP
Abstract
Plant response to stress is critical and can be harnessed for greater yield increases in productive agriculture.
Agriculture is susceptible to climate variability which impacts largely on food security by changing the balance
among the key determinants of crops and yield. Enormous genetic diversity for stress tolerance such as Heat
Shock Protein (HSP) genes exist in this plant species. Recent advances in sequencing technologies have rapidly
unfolded the molecular genetic basis for heat stress responses in plants. In this regard, the role of heat-responsive
HSP70 genes in Sorghum bicolor is investigated. The genome sequence of S. bicolor, retrieved from Heat Shock
Protein Information Resource (HSPIR), database was studied using bioinformatics tools. Sequence analysis
revealed 11 and 12 pairs of paralogous, for HSP70, indicating ancestral duplication and the crucial role in the
expansion of S. bicolor HSP gene family. Hydropathy pattern of proteins sequence suggested that the protein
might belong to hydrolase or transferase class and the prediction of disorder region of HSP70. The benefits
derivable by integrating this species into Agri-silviculture due to its adaption tendencies under adverse climatic
changes are also highlighted.
