Basic leucine zipper transcription factor SlbZIP1 mediates salt and drought stress tolerance in tomato.

ABSTRACT:

Background

Basic region/leucine zipper (bZIP) transcription factors perform as crucial regulators in ABA-mediated stress response in plants. Nevertheless, the functions for most bZIP family members in tomato remain to be deciphered.

Results

Here we examined the functional characterization of SlbZIP1 under salt and drought stresses in tomato. Silencing of SlbZIP1 in tomato resulted in reduced expression of multiple ABA biosynthesis- and signal transduction-related genes in transgenic plants. In stress assays, SlbZIP1-RNAi transgenic plants exhibited reduced tolerance to salt and drought stresses compared with WT plants, as are evaluated by multiple physiological parameters associated with stress responses, such as decreased ABA, chlorophyll contents and CAT activity, and incr

SUBMITTER: Zhu M 

PROVIDER: S-EPMC5941487 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature