AI Article Synopsis
- Plant growth relies on maintaining cellular balance under stress, with xerophyte desert plants showing unique drought adaptations and stress tolerance genes.
- This study identified 44 putative LEA family genes in the plant genome, categorized into eight subfamilies based on their protein structures.
- Analysis revealed that certain subfamily genes are highly responsive to heat stress and ABA treatment, suggesting potential for enhancing crop resilience to environmental stressors.
Article Abstract
Plant growth and development depends on its ability to maintain optimal cellular homeostasis during abiotic and biotic stresses. , a xerophyte desert plant, is known to have novel drought stress adaptation strategies and contains rich pools of stress tolerance genes. Proteins encoded by (LEA) family genes promote cellular activities by functioning as disordered molecules, or by limiting collisions between enzymes during stresses. To date, functions of the family genes have been heavily investigated in many plant species except perennial monocotyledonous species. In this study, 44 putative genes were identified in the genome and were grouped into eight subfamilies, based on their conserved protein domains and domain organizations. Phylogenetic analyses indicated that Dehydrin and LEA_2 subfamily proteins shared high sequence homology with stress responsive Dehydrin proteins from Arabidopsis. Additionally, promoter regions of or subfamily genes were rich in G-box, drought responsive (MBS), and/or Abscisic acid responsive (ABRE) -regulatory elements. In addition, gene expression analyses indicated that genes from these two subfamilies were highly responsive to heat stress and ABA treatment, in both leaves and roots. In summary, the results from this study provided a comprehensive view of genes and the potential applications of these genes for the improvement of crop tolerance to abiotic stresses.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6274777 | PMC |
| http://dx.doi.org/10.3390/ijms19113430 | DOI Listing |
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