Heterologous Expression of Dehydration-Inducible MfbHLH145 of Myrothamnus flabellifoli Enhanced Drought and Salt Tolerance in Arabidopsis.

ABSTRACT: Myrothamnus flabellifolia is the only woody resurrection plant found in the world. It has a strong tolerance to drought and can survive long-term exposure to desiccated environments. However, few genes related to its drought tolerance have been functionally characterized and the molecular mechanisms underlying the stress tolerance of M. flabellifolia are largely unknown. In this study, we isolated a dehydration-inducible bHLH transcription factor gene MfbHLH145 from M. flabellifolia. Heterologous expression of MfbHLH145 enhanced the drought and salt tolerance of Arabidopsis. It can not only promote root system development under short-term stresses, but also improve growth performance under long-term treatments. Further investigation showed that MfbHLH1

SUBMITTER: Huang Z 

PROVIDER: S-EPMC9146472 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature