Genetic profiling of bacterial leaf blight resistance genes in Bangladeshi rice varieties.

ABSTRACT:

Background

Although bacterial leaf blight (BLB) poses a threat to rice yields in Bangladesh, locally validated resistance profiles are limited. This study addresses this gap by identifying key resistance genes and evaluating their distribution in widely cultivated rice varieties in the Mymensingh region of Bangladesh. This study aimed to identify bacterial leaf blight resistance genes (Xa4, Xa5, Xa7, Xa13, and Xa21) present in rice varieties cultivated in Mymensingh, a prominent rice-producing region in Bangladesh.

Methods

We genotyped symptomatic leaves (n = 187) from 10 varieties at 14 locations in Mymensingh using diagnostic markers for Xa4, Xa5, Xa7, xXa13, and Xa21; selected amplicons were Sanger-sequenced and analyzed (NJ trees, 1,000 bootstraps).

Results

The re

SUBMITTER: Islam MS 

PROVIDER: S-EPMC12825256 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature