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Conidial Hydrophobins of Aspergillus fumigatus

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Paris, Sophie, Debeaupuis, Jean-Paul, Crameri, Reto, Carey, Marilyn, Charlès, Franck, Prévost, Marie Christine, Schmitt, Christine, Philippe, Bruno, Latgé, Jean Paul·2003·Applied and Environmental Microbiology
DOI 10.1128/aem.69.3.1581-1588.2003
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Abstract

The surface of Aspergillus fumigatus conidia, the first structure recognized by the host immune system, is covered by rodlets. We report that this outer cell wall layer contains two hydrophobins, RodAp and RodBp, which are found as highly insoluble complexes. The RODA gene was previously characterized, and Δ rodA conidia do not display a rodlet layer (N. Thau, M. Monod, B. Crestani, C. Rolland, G. Tronchin, J. P. Latgé, and S. Paris, Infect. Immun. 62:4380-4388, 1994). The RODB gene was cloned and disrupted. RodBp was highly homologous to RodAp and different from DewAp of A. nidulans. Δ rodB conidia had a rodlet layer similar to that of the wild-type conidia. Therefore, unlike RodAp, RodBp is not required for rodlet formation. The surface of Δ rodA conidia is granular; in contrast, an amorphous layer is present at the surface of the conidia of the Δ rodA Δ rodB double mutant. These data show that RodBp plays a role in the structure of the conidial cell wall. Moreover, rodletless mutants are more sensitive to killing by alveolar macrophages, suggesting that RodAp or the rodlet structure is involved in the resistance to host cells.

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Metadata

Authors
Paris, S., Debeaupuis, J.-P., Crameri, R., Carey, M., Charlès, F., Prévost, M. C., Schmitt, C., Philippe, B., & Latgé, J. P.
Venue
Applied and Environmental Microbiology
Publisher
American Society for Microbiology
Published
2003-03
Volume
69
Issue
3
Pages
1581-1588
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
DOI
10.1128/aem.69.3.1581-1588.2003
OpenAlex
W2106551616
Cited by
235
References
0
FWCI
3.22
Type
journal article
Language
en
Open access
bronze
Licence
journals.asm.org/non-commercial-tdm-license (tdm)

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CoChat. (2026). Citation check: Conidial Hydrophobins of Aspergillus fumigatus. https://app.cochat.ai/papers/10.1128/aem.69.3.1581-1588.2003
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Paris, S., Debeaupuis, J.-P., Crameri, R., Carey, M., Charlès, F., Prévost, M. C., Schmitt, C., Philippe, B., & Latgé, J. P. (2003). Conidial Hydrophobins of Aspergillus fumigatus. Applied and Environmental Microbiology. https://doi.org/10.1128/aem.69.3.1581-1588.2003

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