Mapping and analysis of a novel candidate Fusarium wilt resistance gene FOC1 in Brassica oleracea.

ABSTRACT:

Background

Cabbage Fusarium wilt is a major disease worldwide that can cause severe yield loss in cabbage (Brassica olerecea). Although markers linked to the resistance gene FOC1 have been identified, no candidate gene for it has been determined so far. In this study, we report the fine mapping and analysis of a candidate gene for FOC1 using a double haploid (DH) population with 160 lines and a F2 population of 4000 individuals derived from the same parental lines.

Results

We confirmed that the resistance to Fusarium wilt was controlled by a single dominant gene based on the resistance segregation ratio of the two populations. Using InDel primers designed from whole-genome re-sequencing data for the two parental lines (the resistant inbred-line 99-77 and the highly susceptib

SUBMITTER: Lv H 

PROVIDER: S-EPMC4299151 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature