3 Biotech

, 9:432 | Cite as

Genome-wide identification and functional analysis of the WDR protein family in potato

  • Nianjiao Tao
  • Wenjiao Zhu
  • Minjie Gan
  • Min Chen
  • Ting Li
  • Alexander Tendu
  • Dongli Jiao
  • Man Wang
  • Chunmei Xue
  • Yuanmi Lin
  • Qing YangEmail author
Original Article


WD-repeat (WDR) proteins are highly abundant and participate in a seemingly wide range of interactions and cellular functions acting as scaffolding molecules. However, WDR identification in potato has not been conducted so far. In this study, we demonstrated the presence of at least 168 WDR genes in potato (Solanum tuberosum L.) which can be subdivided into five discrete clusters (Cluster I–V) and 10 classes inferred from their phylogenetic features of the constituent genes and the distribution of domains. These genes are distributed on all 12 chromosomes, of which chromosome 3 carries the most genes with 26 StWDRs. The expression of potato WDR genes showed tissue specificity with a high expression in carpels, callus and roots, and the expression patterns were obviously different among different genes. Transcript profiling of 168 StWDR genes revealed the particular tissues in which the 168 StWDR are expressed, and displayed a high expression in carpels, callus and roots. Most StWDRs were modulated by salt, ABA and Verticillium dahliae stresses, of which StWD092 was found to be highly expressed under all the three stresses. These outcomes revealed the intricate crosstalk between WDRs and other regulatory networks in the event of adverse milieu.


Potato WDR Identification Functional analysis 



This study was supported financially by grants from the Natural Science Foundation of Jiangsu Province (BK20180519) and A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions: Modern horticultural science (PAPD).

Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

Supplementary material

13205_2019_1965_MOESM1_ESM.pdf (231 kb)
Supplementary material 1 (PDF 230 kb)
13205_2019_1965_MOESM2_ESM.xls (124 kb)
Supplementary material 2 (XLS 123 kb)
13205_2019_1965_MOESM3_ESM.xlsx (20 kb)
Supplementary material 3 (XLSX 19 kb)
13205_2019_1965_MOESM4_ESM.xlsx (12 kb)
Supplementary material 4 (XLSX 11 kb)
13205_2019_1965_MOESM5_ESM.pdf (86 kb)
Supplementary material 5 (PDF 85 kb)


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Copyright information

© King Abdulaziz City for Science and Technology 2019

Authors and Affiliations

  1. 1.College of Life SciencesNanjing Agricultural UniversityNanjingChina

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