Identification of QTLs Conferring Resistance to Bacterial Diseases in Rice

Overview

Journal Plants (Basel)

Date 2023 Aug 12

PMID 37571006

Authors

Yuan Fang

Di Ding

Yujia Gu

Qiwei Jia

QiaoLin Zheng

Qian Qian

Yuexing Wang

Yuchun Rao

Yijian Mao

Affiliations

Soon will be listed here.

Abstract

Bacterial panicle blight, bacterial leaf streak, and bacterial brown stripe are common bacterial diseases in rice that represent global threats to stable rice yields. In this study, we used the rice variety HZ, Nekken and their 120 RIL population as experimental materials. Phenotypes of the parents and RILs were quantitatively analyzed after inoculation with , pv. , and subsp. . Genetic SNP maps were also constructed and used for QTL mapping of the quantitative traits. We located 40 QTL loci on 12 chromosomes. The analysis of disease resistance-related candidate genes in the QTL regions with high LOD value on chromosomes 1, 3, 4, and 12 revealed differential expression before and after treatment, suggesting that the identified genes mediated the variable disease resistance profiles of Huazhan and Nekken2. These results provide an important foundation for cloning bacterial-resistant QTLs of panicle blight, leaf streak, and brown stripe in rice.

Citing Articles

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PMID: 39692953 PMC: 11655991. DOI: 10.1186/s40529-024-00444-w.

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