A new yeast species, Candida gelsemii, is described to accommodate three isolates recovered in Georgia, USA, from the toxic nectar of the Carolina jessamine (Gelsemium sempervirens). The species resembles other members of the Metschnikowiaceae clade that have been recovered from nectar, but differs in a number of morphological and physiological characteristics. Analysis of rDNA sequences places the new species well into the clade, but in a basal position with respect to a group of Metschnikowia and Candida species known to occur in association with nectars and bees, as well as marine invertebrates. The type is strain UWOPS 06-24.1(T) (CBS 10509(T), NRRL Y-48212(T).
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Four new species of Metschnikowia and the transfer of seven Candida species to Metschnikowia and Clavispora as new combinations.
Antonie Van Leeuwenhoek
November 2018
Mycotoxin Prevention and Applied Microbiology Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, U.S. Department of Agriculture, 1815 North University Street, Peoria, IL, 61604, USA.
From comparisons of ITS1-5.8S-ITS2 and gene sequences for nuclear D1/D2 LSU rRNA, nuclear SSU (18S) rRNA, translation elongation factor 1-α (EF1-α) and RNA polymerase II subunit 2 (RPB2), the following four new ascosporogenous yeast species were resolved and are described as Metschnikowia anglica (NRRL Y-7298 [type strain], CBS 15342, MycoBank MB 823167), Metschnikowia leonuri (NRRL Y-6546, CBS 15341, MB 823166), Metschnikowia peoriensis (NRRL Y-5942, CBS 15345, MB 823164) and Metschnikowia rubicola (NRRL Y-6064, CBS 15344, MB 823165). The following six species of Candida are members of the Metschnikowia clade and are proposed for transfer to Metschnikowia as new combinations: Candida chrysomelidarum (NRRL Y-27749, CBS 9904, MB 823223), Candida gelsemii (NRRL Y-48212, CBS 10509, MB 823192), Candida kofuensis (NRRL Y-27226, CBS 8058, MB 823195), Candida picachoensis (NRRL Y-27607, CBS 9804, MB 823197), Candida pimensis (NRRL Y-27619, CBS 9805, MB 823205) and Candida rancensis (NRRL Y-48702, CBS 8174, MB 823224).
View Article and Find Full Text PDFCandida gelsemii sp. nov., a yeast of the Metschnikowiaceae clade isolated from nectar of the poisonous Carolina jessamine.
Antonie Van Leeuwenhoek
July 2007
Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada, M5S 3G5.
A new yeast species, Candida gelsemii, is described to accommodate three isolates recovered in Georgia, USA, from the toxic nectar of the Carolina jessamine (Gelsemium sempervirens). The species resembles other members of the Metschnikowiaceae clade that have been recovered from nectar, but differs in a number of morphological and physiological characteristics. Analysis of rDNA sequences places the new species well into the clade, but in a basal position with respect to a group of Metschnikowia and Candida species known to occur in association with nectars and bees, as well as marine invertebrates.
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