1887

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Volume 68, Issue 6

f.a., sp. nov., a new yeast species associated with floral nectar from Morocco Free

Abstract

Wild flowers, and in particular, nectar of flowers, have been shown to be a rich reservoir of yeast biodiversity. In a taxonomic study of yeasts recovered from floral nectar in Morocco, nine strains were found to represent a novel species. Morphological and physiological characteristics and sequence analyses of the D1/D2 region of the large subunit rRNA gene as well as the internal transcribed spacer region showed that the novel species belonged to the genus . The name f.a., sp. nov. (EBDCdVMor24-1=CBS 15053=NRRL Y-63972) is proposed to accommodate this new species. was isolated from floral nectar of , and . The ascosporic state of the novel species was not found. was phylogenetically distinct from any currently recognized species and forms a well-supported subclade (bootstrap value 81 %) containing species associated with flowers and flower-visiting insects, including , and . The close genealogical relationship of with the clade is also consistent with the striking similarity of their ‘aeroplane’ cells morphologies and the lack of utilization of the α-glucoside trehalose. The ecology of these novel species and its probable endemicity are discussed.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): flower-associated yeasts , host plant , Metschnikowia , nectar , novel species and yeast ecology
© 2018 IUMS
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2018-06-01
2024-04-19
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Metschnikowia maroccana f.a., sp. nov., a new yeast species associated with floral nectar from Morocco
Int J Syst Evol Microbiol 68, 2028 (2018); https://doi.org/10.1099/ijsem.0.002784
/content/journal/ijsem/10.1099/ijsem.0.002784
/content/journal/ijsem/10.1099/ijsem.0.002784
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