ArticleMolecular plant pathology2012
Truncation of class IV chitinases from Arabidopsis by secreted fungal proteases.
Article in Molecular plant pathology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 33 citations in OpenAlex.
- N-glycosylation code diversifies paralogous chitinases to balance plant immunity and growth.Nature plants · 2026Article
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- Svx Peptidases of Phytopathogenic Pectolytic Bacteria: Structural, Catalytic and Phytoimmune Properties.International journal of molecular sciences · 2024Article
- Lasiodiplodia theobromae protein LtScp1 contributes to fungal virulence and protects fungal mycelia against hydrolysis by grapevine chitinase.Environmental microbiology · 2022Article
- The development of extracellular vesicle markers for the fungal phytopathogen Colletotrichum higginsianum.Journal of extracellular vesicles · 2022Article
- High Resistance of Potato to Early Blight Is Achieved by Expression of thePlants (Basel, Switzerland) · 2021Article
- Article
- The Cotton Apoplastic Protein CRR1 Stabilizes Chitinase 28 to Facilitate Defense against the Fungal PathogenThe Plant cell · 2019Article
- Tal6 FromFrontiers in microbiology · 2019Article
- A highly conserved metalloprotease effector enhances virulence in the maize anthracnose fungus Colletotrichum graminicola.Molecular plant pathology · 2016Article
- Quinovosamycins: new tunicamycin-type antibiotics in which the α, β-1″,11'-linked N-acetylglucosamine residue is replaced by N-acetylquinovosamine.The Journal of antibiotics · 2016Article
- Fungal and host transcriptome analysis of pH-regulated genes during colonization of apple fruits by Penicillium expansum.BMC genomics · 2016Article
- Fungal chitinases: function, regulation, and potential roles in plant/pathogen interactions.Current genetics · 2016Review
- Identification and functional analysis of Penicillium digitatum genes putatively involved in virulence towards citrus fruit.Molecular plant pathology · 2015Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant class IV chitinases have a small amino-terminal chitin-binding domain and a larger chitinase domain, and are involved in plant defence against fungal infection. Our previous work on the chitinases ChitA and ChitB from the model monocotyledon Zea mays showed that the chitin-binding domain is removed by secreted fungal proteases called fungalysins. In this article, we extend this work to dicotyledons. The effects of fungalysin-like proteases on four class IV chitinases from the model dicotyledon Arabidopsis thaliana were analysed. Four Arabidopsis chitinases were heterologously expressed in Pichia pastoris, purified and shown to have chitinase activity against a chitohexaose (dp6) substrate. The incubation of these four chitinases with Fv-cmp, a fungalysin protease secreted by Fusarium verticillioides, resulted in the truncation of AtchitIV3 and AtchitIV5. Moreover, incubation with secreted proteins from Alternaria brassicae, a pathogen of A. thaliana and brassica crops, also led to a similar truncation of AtchitIV3 and AtchitIV4. Our finding that class IV chitinases from both dicotyledons (A. thaliana) and monocotyledons (Z. mays) are truncated by proteases secreted by specialized pathogens of each plant suggests that this may be a general mechanism of plant-fungal pathogenicity.
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