OsHBP1b

| Categories genes  | Tags drought  salinity  tolerance  stress  seedlings  grain  grain yield  yield  drought tolerance  salinity stress  stress tolerance 
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  • Key message
    • As compared to the WT tobacco plants, the transgenic plants ectopically expressing OsHBP1b showed better survival and favourable osmotic parameters (such as germination and survival rate, membrane stability, K(+)/Na(+) ratio, lipid peroxidation, electrolyte leakage and proline contents) under salinity and drought stress
    • qRT-PCR based expression studies for OsHBP1b in seedlings of contrasting genotypes of rice showed its differential regulation in response to salinity stress
    • Taken together, our findings suggest that OsHBP1b contributes to abiotic stress tolerance through multiple physiological pathways and thus, may serve as a useful ‘candidate gene’ for improving multiple stress tolerance in crop plants
    • In the present study, we over-express the full-length gene encoding OsHBP1b in the homologous system (rice) to assess its contribution towards multiple stress tolerance and grain yield
    • Recently, we have reported the characterization of OsHBP1b in relation to salinity and drought tolerance in a model system tobacco
    • We provide evidence to show that transgenic rice plants over-expressing OsHBP1b exhibit better survival and favourable osmotic parameters under salinity stress than the wild type counterparts
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