WPA1 encodes a vWA domain protein that regulates wheat plant architecture

Yongxing Chen, Huixin Xiao, Yuange Wang, Wenling Li, Lingchuan Li, Lingli Dong, Xuebo Zhao, Miaomiao Li, Ping Lu, Huaizhi Zhang, Guanghao Guo, Keyu Zhu, Beibei Li, Lei Dong, Peng Chen, Shuming Wu, Yunbo Jiang, Fei Lu, Chengguo Yuan, Zhiyong LiuYusheng Zhao, Qiuhong Wu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Plant height, spike, leaf, stem and grain morphologies are key components of plant architecture and related to wheat yield. A wheat (Triticum aestivum L.) mutant, wpa1, displaying temperature-dependent pleiotropic developmental anomalies, was isolated. The WPA1 gene, encoding a von Willebrand factor type A (vWA) domain protein, was located on chromosome arm 7DS and isolated by map-based cloning. The functionality of WPA1 was validated by multiple independent EMS-induced mutants and gene editing. Phylogenetic analysis revealed that WPA1 is monocotyledon-specific in higher plants. The identification of WPA1 provides opportunity to study the temperature regulated wheat development and grain yield.

Original languageEnglish
Pages (from-to)992-1000
Number of pages9
JournalCrop Journal
Volume12
Issue number4
DOIs
StatePublished - Aug 2024
Externally publishedYes

Funding

Many thanks to Genying Li of Shandong Academy of Agriculture Sciences, Jinan, Shandong, China, for developing the transgenic wheat. This research was financially supported by the Key Research and Development Program of Zhejiang (2024SSYS0099), the National Key Research and Development Program of China (2022YFD1200203), and Key Research and Development Program of Hebei province (22326305D).

Keywords

  • Environmental temperature
  • Map-based cloning
  • Wheat plant architecture
  • vWA

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