Genetic Mapping and Candidate Prediction of the sa1 Gene Controlling Anther Development in Diploid Potatoes

doi:10.16420/j.issn.0513-353x.2019-0407

ACTA HORTICULTURAE SINICA ›› 2019, Vol. 46 ›› Issue (12): 2429-2436.doi: 10.16420/j.issn.0513-353x.2019-0407

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Genetic Mapping and Candidate Prediction of the sa1 Gene Controlling Anther Development in Diploid Potatoes

WANG Pei1，TANG Die2，LI Yumei3，YANG Zhongmin4，ZHU Guangtao1，HUANG Sanwen2，and ZHANG Chunzhi2,*

1The CAAS-YNNU Joint Academy of Potato Sciences，Yunnan Normal University，Kunming 650500，China；2Agricultural Genomics Institute at Shenzhen，Chinese Academy of Agricultural Sciences，Shenzhen，Guangdong 518120，China；3Faculty of Information Engineering and Automation Kunming University of Science and Technology，Kunming 650500，China；4College of Horticulture，Northwest A & F University，Yangling，Shaanxi 712100，China

Online:2019-12-25 Published:2019-12-25

Abstract

Abstract: In a previous study，we identified a short anther mutant sa1，which is a potential material for developing male sterile lines. In this study，we constructed a BC1F2 segregating population of sa1. By bulked segregant analysis（BSA-seq），we found this trait was controlled by a single gene which located in a 0–33.9 Mb interval on chromosome No. 6. To further map the sa1 gene，we used more BC1F2 progeny to screen the recombinants. Based on the genotype and phenotype of recombinants，the sa1 gene was narrowed to a 1.4 Mb interval. According to the annotation information of the potato reference genome，this region contains 40 genes. In addition，we predicted the candidate genes using the transcriptome data from normal and short anthers.

Key words: potato, anther development, BSA-seq

CLC Number:

S 532

WANG Pei1，TANG Die2，LI Yumei3，YANG Zhongmin4，ZHU Guangtao1，HUANG Sanwen2，and ZHANG Chunzhi2,*. Genetic Mapping and Candidate Prediction of the sa1 Gene Controlling Anther Development in Diploid Potatoes[J]. ACTA HORTICULTURAE SINICA, 2019, 46(12): 2429-2436.

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Genetic Mapping and Candidate Prediction of the sa1 Gene Controlling Anther Development in Diploid Potatoes

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