Identification of Candidate Genes Controlling Black Seed Coat and Pod Tip Color in Cowpea (Vigna unguiculata [L.] Walp)

G3 : Genes - Genomes - Genetics
Ira HerniterT J Close

Abstract

Seed coat color is an important part of consumer preferences for cowpea (Vigna unguiculata [L.] Walp). Color has been studied in numerous crop species and has often been linked to loci controlling the anthocyanin biosynthesis pathway. This study makes use of available resources, including mapping populations, a reference genome, and a high-density single nucleotide polymorphism genotyping platform, to map the black seed coat and purple pod tip color traits, with the gene symbol Bl, in cowpea. Several gene models encoding MYB domain protein 113 were identified as candidate genes. MYB domain proteins have been shown in other species to control expression of genes encoding enzymes for the final steps in the anthocyanin biosynthesis pathway. PCR analysis indicated that a presence/absence variation of one or more MYB113 genes may control the presence or absence of black pigment. A PCR marker has been developed for the MYB113 gene Vigun05g039500, a candidate gene for black seed coat color in cowpea.

References

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Citations

Aug 2, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Sassoum LoTimothy J Close
Jul 1, 2019·Planta·Jean-Marcel Ribaut, Michel Ragot
May 21, 2020·Frontiers in Plant Science·Nurul Amylia SahruzainiAcga Cheng
Nov 12, 2019·Frontiers in Plant Science·Ira A HerniterTimothy J Close
Jul 31, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Carmen García-FernándezJuan Jose Ferreira
Nov 27, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Zhicheng HuQiushi Fu

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Methods Mentioned

BETA
genotyping
electrophoresis
PCR

Software Mentioned

mpIM
snow
BLAST
scanone
STRUCTURE
TASSEL
mpMap ”
R package “ qtl ”
R package “
R package “ mpMap ”

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