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Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (6): 1301-1312.doi: 10.16420/j.issn.0513-353x.2021-0629

• Research Papers • Previous Articles     Next Articles

Identification and Analysis of PAP1/2 Homologous Genes in Brassica rapa,B. oleracea and B. napus

CHEN Daozong, LIU Yi, SHEN Wenjie, ZHU Bo, TAN Chen()   

  1. College of Life Sciences,Ganzhou Key Laboratory of Greenhouse Vegetable,Gannan Normal University,Ganzhou,Jiangxi 341000,China
  • Received:2021-06-29 Revised:2021-11-27 Online:2022-06-25 Published:2022-07-05
  • Contact: TAN Chen E-mail:tanchen2020@gnnu.edu.cn

Abstract:

PAP1/2 transcription factors are the main MYB transcription factors involved in the formation of MBW complex to regulate anthocyanin biosynthesis. Using Arabidopsis PAP1/2 transcription factor(TF)nucleic acid and protein sequence alignment and Pfam verification to study the exact homologous copy number,evolutionary relationship and expression of PAP1/2 TFs regulating anthocyanin metabolism in Brassica plants such as Brassica rapa,B. oleracea and B. napus. The number of homologous copies of PAP1/2 TFs identified in B. rapa,B. oleracea and B. napus were three,four and nine,respectively. The evolutionary relationship between different copies of PAP1/2 TFs was further clarified by evolution analysis and microcollinearity analysis of the segment where the homologous copies of PAP1/2 TFs were located. The relationship between different copies of PAP1/2 TFs on chromosomes A7 and C6 was clarified. Finally,combined with the transcriptome sequencing data of different tissues of B. rapa,B. oleracea and B. napus,the expression analysis was carried out,and the expression of homologous copies of PAP1/2TFs in different tissues was clarified.

Key words: Brassica rapa, B. Oleracea, B. Napus, homologous gene, conserved domain, anthocyanin, R2R3-MYB transcription factor, PAP1/2

CLC Number: