Aspergillus oerlinghausenensis, a new mould species closely related to A. fumigatus

Jos Houbraken; Michael Weig; Uwe Groß; Martin Meijer; Oliver Bader

doi:10.1093/femsle/fnv236

Aspergillus oerlinghausenensis, a new mould species closely related to A. fumigatus

Jos Houbraken, Michael Weig, Uwe Groß, Martin Meijer, Oliver Bader

Research output: Contribution to journal/periodical › Article › Scientific › peer-review

20 Citations (Scopus)

Abstract

Two isolates belonging to Aspergillus section Fumigati were recovered from German soil on itraconazole containing agar media. Phylogenetic analysis and phenotypic characterization of both isolates show that they represent a novel species named Aspergillus oerlinghausenensis (holotype CBS H-22119(HT), ex-type CBS 139183(T) = IBT 33878 = DTO 316-A3). The species is phylogenetically related to Aspergillus fischeri and Aspergillus fumigatus. Aspergillus oerlinghausenensis can be differentiated from A. fischeri by its higher growth rate at 50°C. Furthermore, A. oerlinghausenensis is proto-heterothallic as only the MAT1-1 idiomorph was detected, while A. fischeri is homothallic. The species differs from A. fumigatus by a weak sporulation on malt extract agar at 25°C, a floccose colony texture on Czapek yeast extract agar and malt extract agar and subglobose instead of subclavate vesicles. The cyp51A promoter region of A. oerlinghausenensis deviates from the previously reported cyp51A promoter regions in A. fumigatus and potentially presents a novel azole-resistance conferring modification. Due to the close relationship of A. oerlinghausenensis with A. fischeri and A. fumigatus, this species is placed in a good position for comparative studies involving these species.

Original language	English
Journal	FEMS Microbiology Letters
DOIs	https://doi.org/10.1093/femsle/fnv236
Publication status	Published - 13 Dec 2015

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title = "Aspergillus oerlinghausenensis, a new mould species closely related to A. fumigatus",

abstract = "Two isolates belonging to Aspergillus section Fumigati were recovered from German soil on itraconazole containing agar media. Phylogenetic analysis and phenotypic characterization of both isolates show that they represent a novel species named Aspergillus oerlinghausenensis (holotype CBS H-22119(HT), ex-type CBS 139183(T) = IBT 33878 = DTO 316-A3). The species is phylogenetically related to Aspergillus fischeri and Aspergillus fumigatus. Aspergillus oerlinghausenensis can be differentiated from A. fischeri by its higher growth rate at 50°C. Furthermore, A. oerlinghausenensis is proto-heterothallic as only the MAT1-1 idiomorph was detected, while A. fischeri is homothallic. The species differs from A. fumigatus by a weak sporulation on malt extract agar at 25°C, a floccose colony texture on Czapek yeast extract agar and malt extract agar and subglobose instead of subclavate vesicles. The cyp51A promoter region of A. oerlinghausenensis deviates from the previously reported cyp51A promoter regions in A. fumigatus and potentially presents a novel azole-resistance conferring modification. Due to the close relationship of A. oerlinghausenensis with A. fischeri and A. fumigatus, this species is placed in a good position for comparative studies involving these species.",

author = "Jos Houbraken and Michael Weig and Uwe Gro{\ss} and Martin Meijer and Oliver Bader",

year = "2015",

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doi = "10.1093/femsle/fnv236",

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T1 - Aspergillus oerlinghausenensis, a new mould species closely related to A. fumigatus

AU - Houbraken, Jos

AU - Weig, Michael

AU - Groß, Uwe

AU - Meijer, Martin

AU - Bader, Oliver

PY - 2015/12/13

Y1 - 2015/12/13

N2 - Two isolates belonging to Aspergillus section Fumigati were recovered from German soil on itraconazole containing agar media. Phylogenetic analysis and phenotypic characterization of both isolates show that they represent a novel species named Aspergillus oerlinghausenensis (holotype CBS H-22119(HT), ex-type CBS 139183(T) = IBT 33878 = DTO 316-A3). The species is phylogenetically related to Aspergillus fischeri and Aspergillus fumigatus. Aspergillus oerlinghausenensis can be differentiated from A. fischeri by its higher growth rate at 50°C. Furthermore, A. oerlinghausenensis is proto-heterothallic as only the MAT1-1 idiomorph was detected, while A. fischeri is homothallic. The species differs from A. fumigatus by a weak sporulation on malt extract agar at 25°C, a floccose colony texture on Czapek yeast extract agar and malt extract agar and subglobose instead of subclavate vesicles. The cyp51A promoter region of A. oerlinghausenensis deviates from the previously reported cyp51A promoter regions in A. fumigatus and potentially presents a novel azole-resistance conferring modification. Due to the close relationship of A. oerlinghausenensis with A. fischeri and A. fumigatus, this species is placed in a good position for comparative studies involving these species.

AB - Two isolates belonging to Aspergillus section Fumigati were recovered from German soil on itraconazole containing agar media. Phylogenetic analysis and phenotypic characterization of both isolates show that they represent a novel species named Aspergillus oerlinghausenensis (holotype CBS H-22119(HT), ex-type CBS 139183(T) = IBT 33878 = DTO 316-A3). The species is phylogenetically related to Aspergillus fischeri and Aspergillus fumigatus. Aspergillus oerlinghausenensis can be differentiated from A. fischeri by its higher growth rate at 50°C. Furthermore, A. oerlinghausenensis is proto-heterothallic as only the MAT1-1 idiomorph was detected, while A. fischeri is homothallic. The species differs from A. fumigatus by a weak sporulation on malt extract agar at 25°C, a floccose colony texture on Czapek yeast extract agar and malt extract agar and subglobose instead of subclavate vesicles. The cyp51A promoter region of A. oerlinghausenensis deviates from the previously reported cyp51A promoter regions in A. fumigatus and potentially presents a novel azole-resistance conferring modification. Due to the close relationship of A. oerlinghausenensis with A. fischeri and A. fumigatus, this species is placed in a good position for comparative studies involving these species.

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DO - 10.1093/femsle/fnv236

M3 - Article

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SN - 0378-1097

JO - FEMS Microbiology Letters

JF - FEMS Microbiology Letters

ER -

Aspergillus oerlinghausenensis, a new mould species closely related to A. fumigatus

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