Overexpression a "fruit-weight 2.2-like" gene OsFWL5 improves rice resistance.

ABSTRACT:

Background

Rice (Oryza sativa) feeds half of the world's population. Rice grain yield and quality which are constrained by diseases and mineral nutritions have important human healthy impacts. Plant "fruit-weight 2.2-like" (FWL) genes play key roles in modulating plant fruit weight, organ size and iron distribution. Previous work has uncovered that the grains of OsFWL5-oeverexpressing rice accumulated more beneficial element zinc (Zn) and less toxic element cadmium (Cd) content. However, whether FWL genes play roles in rice resistance remains unknown.

Findings

Here, we validated that one of rice FWL genes OsFWL5 plays a positive role in defense to Xanthomonas oryzae pv. oryzae (Xoo). Overexpresion of OsFWL5 promotes H₂O₂ accumulation and cell death. The

SUBMITTER: Li B 

PROVIDER: S-EPMC6635517 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature