AtPep3 is a hormone-like peptide that plays a role in the salinity stress tolerance of plants.

ABSTRACT: Peptides encoded by small coding genes play an important role in plant development, acting in a similar manner as phytohormones. Few hormone-like peptides, however, have been shown to play a role in abiotic stress tolerance. In the current study, 17 Arabidopsis genes coding for small peptides were found to be up-regulated in response to salinity stress. To identify peptides leading salinity stress tolerance, we generated transgenic Arabidopsis plants overexpressing these small coding genes and assessed survivability and root growth under salinity stress conditions. Results indicated that 4 of the 17 overexpressed genes increased salinity stress tolerance. Further studies focused on AtPROPEP3, which was the most highly up-regulated gene under salinity stress. Treatment

SUBMITTER: Nakaminami K 

PROVIDER: S-EPMC5984501 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature