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May 23, 2025;14 (11):

IAA-Mediated Haustorium Formation in : Transcriptional Insights and Anti-Parasitic Strategies.

Xin Hu, Xiaolei Cao, Qiuyue Zhao, Xiaojian Zeng, Yingming Wei, Zhaoqun Yao, Sifeng Zhao
Author Information
  1. Xin Hu: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China.
  2. Xiaolei Cao: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China.
  3. Qiuyue Zhao: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China.
  4. Xiaojian Zeng: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China.
  5. Yingming Wei: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China.
  6. Zhaoqun Yao: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China. ORCID
  7. Sifeng Zhao: Key Laboratory at the Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Agriculture College, Shihezi University, Shihezi 832003, China. ORCID
PMID: 40508266 DOI: 10.3390/plants14111591

Abstract

is an obligate root-parasitic weed that parasitizes crop roots, threatening the safety of agricultural production. However, the molecular mechanisms underlying the formation of haustorium remain largely unclear. Here, we employed transcriptomics to investigate the molecular events in haustorium formation induced by indole-3-acetic acid. Our study revealed that during haustorium formation, the cell proliferation activity at the tip of the radicle was highest during the young stage and then gradually declined. The differentially expressed genes upregulated during haustorium formation were mainly enriched in DNA replication and plant hormone signal transduction, while those that were downregulated were enriched in biosynthesis of secondary metabolites. Additionally, interfering with the auxin signal weakened the parasitic ability of . These findings enhance our understanding of the mechanism of haustorium formation and contribute to the targeted development of new pesticides for inhibiting .

Keywords

Phelipanche aegyptiaca cell proliferation haustorium indole-3-acetic acid parasitic ability

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Grants

  1. 32160649/National Natural Science Foundation of China
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