TY - JOUR
T1 - Description of Hyphopichia buzzinii f.a., sp. nov. and Hyphopichia homilentoma comb. nov., the teleomorph of Candida homilentoma
AU - Ribeiro, Lucas R.
AU - Santos, Ana R. O.
AU - Groenewald, Marizeth
AU - Smith, Maudy Th. H.
AU - Lara, Carla A.
AU - Góes-Neto, Aristóteles
AU - Jacques, Noémie
AU - Grondin, Cécile
AU - Casaregola, Serge
AU - Lachance, Marc-André
AU - Rosa, Carlos A
PY - 2017/7
Y1 - 2017/7
N2 - During studies of the yeast diversity associated with rotting wood in Brazil and fruits, plants and insects in French Guiana, three strains of a new species were isolated. Analysis of the sequences of the internal transcribed spacer (ITS)-5.8S and D1/D2 domains of the large subunit of the rRNA gene showed that this species belongs to the genus Hyphopichia and its closest relative is Candida homilentoma. These species differ by 44 nucleotide substitutions in D1/D2 sequences. A new species Hyphopichia buzzinii f. a., sp. nov., is proposed to accommodate these isolates. The type strain of Hyphopichia buzzinii sp. nov. is CLIB 1739T (=CBS 14300T = UFMG-CM-Y6121T; MycoBank number is MB 815609). In addition, we isolated 11 strains of C. homilentoma from rotting wood, leaf surfaces, and water bodies in Brazil, and these strains when crossed among one another and with the type strain (CBS 6312T) of this species, produced hat-shaped ascospores typical of the genus Hyphopichia. We describe the teleomorph of C. homilentoma as a new combination, Hyphopichia homilentoma comb. nov. (type strain CBS 6312T; MycoBank number is MB 820009). We also propose to transfer the other six Candida species of the Hyphopichia clade to this genus as new combinations. Hyphopichia homilentoma produced ethanol and xylitol from d-xylose whereas H. buzzinii was only able to convert this pentose to xylitol.
AB - During studies of the yeast diversity associated with rotting wood in Brazil and fruits, plants and insects in French Guiana, three strains of a new species were isolated. Analysis of the sequences of the internal transcribed spacer (ITS)-5.8S and D1/D2 domains of the large subunit of the rRNA gene showed that this species belongs to the genus Hyphopichia and its closest relative is Candida homilentoma. These species differ by 44 nucleotide substitutions in D1/D2 sequences. A new species Hyphopichia buzzinii f. a., sp. nov., is proposed to accommodate these isolates. The type strain of Hyphopichia buzzinii sp. nov. is CLIB 1739T (=CBS 14300T = UFMG-CM-Y6121T; MycoBank number is MB 815609). In addition, we isolated 11 strains of C. homilentoma from rotting wood, leaf surfaces, and water bodies in Brazil, and these strains when crossed among one another and with the type strain (CBS 6312T) of this species, produced hat-shaped ascospores typical of the genus Hyphopichia. We describe the teleomorph of C. homilentoma as a new combination, Hyphopichia homilentoma comb. nov. (type strain CBS 6312T; MycoBank number is MB 820009). We also propose to transfer the other six Candida species of the Hyphopichia clade to this genus as new combinations. Hyphopichia homilentoma produced ethanol and xylitol from d-xylose whereas H. buzzinii was only able to convert this pentose to xylitol.
KW - Hyphopichia buzzinii
KW - Hyphopichia homilentoma
KW - New combinations
KW - New yeast species
KW - Xylose fermentation
KW - Xylitol
U2 - 10.1007/s10482-017-0870-2
DO - 10.1007/s10482-017-0870-2
M3 - Article
SN - 1572-9699
VL - 110
SP - 985
EP - 994
JO - Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology
JF - Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology
IS - 7
ER -