Chitinases Are Essential for Cell Separation in Ustilago maydis Article Swipe
Thorsten Langner
,
Merve Tuzlakoğlu Öztürk
,
Sarah Hartmann
,
Stefan Cord‐Landwehr
,
Bruno M. Moerschbacher
,
Jonathan D. Walton
,
Vera Göhre
·
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.1128/ec.00022-15
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.1128/ec.00022-15
Chitin is an essential component of the fungal cell wall, providing rigidity and stability. Its degradation is mediated by chitinases and supposedly ensures the dynamic plasticity of the cell wall during growth and morphogenesis. Hence, chitinases should be particularly important for fungi with dramatic morphological changes, such as Ustilago maydis . This smut fungus switches from yeast to filamentous growth for plant infection, proliferates as a mycelium in planta , and forms teliospores for spreading. Here, we investigate the contribution of its four chitinolytic enzymes to the different morphological changes during the complete life cycle in a comprehensive study of deletion strains combined with biochemical and cell biological approaches. Interestingly, two chitinases act redundantly in cell separation during yeast growth. They mediate the degradation of remnant chitin in the fragmentation zone between mother and daughter cell. In contrast, even the complete lack of chitinolytic activity does not affect formation of the infectious filament, infection, biotrophic growth, or teliospore germination. Thus, unexpectedly we can exclude a major role for chitinolytic enzymes in morphogenesis or pathogenicity of U. maydis . Nevertheless, redundant activity of even two chitinases is essential for cell separation during saprophytic growth, possibly to improve nutrient access or spreading of yeast cells by wind or rain.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1128/ec.00022-15
- https://ec.asm.org/content/eukcell/14/9/846.full.pdf
- OA Status
- diamond
- Cited By
- 59
- References
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- Related Works
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- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2111628104Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1128/ec.00022-15Digital Object Identifier
- Title
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Chitinases Are Essential for Cell Separation in Ustilago maydisWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2015Year of publication
- Publication date
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2015-05-02Full publication date if available
- Authors
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Thorsten Langner, Merve Tuzlakoğlu Öztürk, Sarah Hartmann, Stefan Cord‐Landwehr, Bruno M. Moerschbacher, Jonathan D. Walton, Vera GöhreList of authors in order
- Landing page
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https://doi.org/10.1128/ec.00022-15Publisher landing page
- PDF URL
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https://ec.asm.org/content/eukcell/14/9/846.full.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
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-
diamondOpen access status per OpenAlex
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https://ec.asm.org/content/eukcell/14/9/846.full.pdfDirect OA link when available
- Concepts
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Ustilago, Biology, Cell wall, Chitin, Morphogenesis, Yeast, Chitinase, Cell biology, Smut, Hypha, Microbiology, Botany, Enzyme, Biochemistry, Gene, ChitosanTop concepts (fields/topics) attached by OpenAlex
- Cited by
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59Total citation count in OpenAlex
- Citations by year (recent)
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2025: 5, 2024: 3, 2023: 9, 2022: 2, 2021: 10Per-year citation counts (last 5 years)
- References (count)
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76Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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