Identification and Fine Mapping of the Candidate Gene Controlling Multi-Inflorescence in Brassica napus.

ABSTRACT: As a desirable agricultural trait, multi-inflorescence (MI) fulfills the requirement of mechanized harvesting and yield increase in rapeseed (Brassica napus L.). However, the genetic mechanism underlying the multi-inflorescence trait remain poorly understood. We previously identified a difference of one pair of dominant genes between the two mapping parental materials. In this study, phenotype and expression analysis indicated that the imbalance of the CLAVATA (CLV)-WUSCHEL (WUS) feedback loop may contribute to the abnormal development of the shoot apical meristem (SAM). BnaMI was fine-mapped to a 55 kb genomic region combining with genotype and phenotype of 5768 BCF₁ individuals using a traditional mapping approach. Through comparative

SUBMITTER: Lu H 

PROVIDER: S-EPMC9266383 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature