ArticleThe plant pathology journal2021
The Small GTPase CsRAC1 Is Important for Fungal Development and Pepper Anthracnose in Colletotrichum scovillei.
Article in The plant pathology journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Selection of reliable reference genes in Colletotrichum scovillei during different growth stages, host interactions, and plant extract treatment for qRT-PCR.BMC plant biology · 2025Article
- CaWRKY50 Acts as a Negative Regulator in Response toPlants (Basel, Switzerland) · 2023Article
- Appressoria-Small but Incredibly Powerful Structures in Plant-Pathogen Interactions.International journal of molecular sciences · 2023Review
- NADPH Oxidases Are Required for Appressorium-Mediated Penetration in Colletotrichum scovillei-Pepper Fruit Pathosystem.The plant pathology journal · 2022Article
- Role of the cAMP signaling pathway in the dissemination and development on pepper fruit anthracnose disease caused byFrontiers in cellular and infection microbiology · 2022Article
- The Autophagy Protein CsATG8 is Involved in Asexual Development and Virulence in the Pepper Anthracnose FungusMycobiology · 2022Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
The pepper anthracnose fungus, Colletotrichum scovillei, causes severe losses of pepper fruit production in the tropical and temperate zones. RAC1 is a highly conserved small GTP-binding protein in the Rho GTPase family. This protein has been demonstrated to play a role in fungal development, and pathogenicity in several plant pathogenic fungi. However, the functional roles of RAC1 are not characterized in C. scovillei causing anthracnose on pepper fruits. Here, we generated a deletion mutant (ΔCsrac1) via homologous recombination to investigate the functional roles of CsRAC1. The ΔCsrac1 showed pleiotropic defects in fungal growth and developments, including vegetative growth, conidiogenesis, conidial germination and appressorium formation, compared to wild-type. Although ΔCsrac1 was able to develop appressoria, it failed to differentiate appressorium pegs. However, ΔCsrac1 still caused anthracnose disease with significantly reduced rate on wounded pepper fruits. Further analyses revealed that ΔCsrac1 was defective in tolerance to oxidative stress and suppression of host-defense genes. Taken together, our results suggest that CsRAC1 plays essential roles in fungal development and pathogenicity in C. scovillei-pepper fruit pathosystem.
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Registered trials
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