Five strains (RV5T, RV140, R31T, RS17 and RS28T) representing three novel anamorphic ascomycetous yeast species were isolated by membrane filtration from estuarine waters collected from a mangrove forest in Laem Son National Park, Ranong Province, Thailand, on different occasions. On the basis of morphological, biochemical, physiological and chemotaxonomic characteristics, sequence analysis of the D1/D2 domain of the large-subunit rRNA gene and the internal transcribed spacer region and phylogenetic analysis, three strains were found to represent two novel Candida species. Two strains (RV5T and RV140) represented a single novel species, for which the name Candida laemsonensis sp. nov. is proposed. The type strain is RV5T (=BCC 35154T =NBRC 105873T =CBS 11419T). Strain R31T was assigned to a novel species that was named Candida andamanensis sp. nov. (type strain R31T =BCC 25965T =NBRC 103862T =CBS 10859T). On the basis of morphological, biochemical, physiological and chemotaxonomic characteristics, sequence analysis of the D1/D2 domain of the large-subunit rRNA gene and phylogenetic analysis, strains RS17 and RS28T represented another novel species of Candida, for which the name Candida ranongensis sp. nov. is proposed. The type strain is RS28T (=BCC 25964T =NBRC 103861T =CBS 10861T).
Four strains of two novel xylose-utilizing yeast species were obtained from samples collected in Thailand from decaying corncobs (strains KU-Xs13T and KU-Xs18), a decaying grass (KU-Xs20) and estuarine water from a mangrove forest (WB15T). On the basis of morphological, biochemical, physiological and chemotaxonomic characteristics and sequence analysis of the D1/D2 domain of the large subunit rRNA gene, the four strains were found to represent two novel species of the genus Candida in the Candida albicans/Lodderomyces elongisporus clade. Three strains (KU-Xs13T, KU-Xs18 and KU-Xs20) were assigned as a single novel species, which was named Candida saraburiensis sp. nov. The type strain is KU-Xs13T (=CBS 11696T=NBRC 106721T=BCC 39601T). Strain WB15T represented another novel species of the genus Candida that was named Candida prachuapensis sp. nov. The type strain is WB15T (=CBS 11024T=NBRC 104881T=BCC 29904T).
Three ustilaginomycetous anamorphic strains were isolated from flowers of Kandelia candel in mangrove forests of Taiwan. Phylogenetic analyses based on the combined sequences of internal transcribed spacer 1 (ITS1)-5.8S-ITS2 and the D1/D2 domain of the large-subunit (LSU) rDNA indicated that the closest recognized species was Sympodiomycopsis paphiopedili. The results of a DNA–DNA hybridization experiment and the physiological characteristics showed that the three strains represent a novel species within the genus Sympodiomycopsis. The name Sympodiomycopsis kandeliae sp. nov. is proposed, with FIRDI 007T (=BCRC 23165T =CBS 11676T) as the type strain. In addition, based on phenotypic characteristics and the phylogenetic analyses of the combined sequences of the ITS region and D1/D2 domain of the LSU rDNA, Sympodiomycopsis lanaiensis was clustered with the genus Jaminaea. A new combination, Jaminaea lanaiensis comb. nov. (type strain LM418T =DSM 18755T =ATCC MYA-4092T =NRRL Y-48466T =CBS 10858T =BCRC 23177T), is proposed.