scholarly journals Hagleromyces gen. nov., a yeast genus in the Saccharomycetaceae, and description of Hagleromyces aurorensis sp. nov., isolated from water tanks of bromeliads

2014 ◽  
Vol 64 (Pt_8) ◽  
pp. 2915-2918 ◽  
Author(s):  
Francisca M. P. Sousa ◽  
Paula B. Morais ◽  
Marc-André Lachance ◽  
Carlos A. Rosa

Three strains of a novel yeast species were isolated from water tanks (phytotelmata) of a bromeliad species collected in the state of Tocantins, Brazil. Analysis of sequences for the region spanning the SSU rRNA gene, the internal transcribed spacer, the 5.8S rRNA gene and the D1/D2 domains of the LSU rRNA gene and RNA polymerase II gene showed that these novel yeasts belong to a species that is distinct from all recognized ascomycetous yeast species. Based on the results of gene sequence analyses, a novel species representing a new genus in the Saccharomycetaceae is proposed. The novel species is assigned to the genus Hagleromyces gen. nov. The three isolates of the novel yeast species failed to form sexual spores alone or in mixtures. The name Hagleromyces aurorensis sp. nov. is proposed to accommodate these isolates. The type strain of H. aurorensis sp. nov. is UFMG-CM-Y311T ( = CBS 13264T).

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 1002-1006 ◽  
Author(s):  
Fabio V. Araújo ◽  
Carlos A. Rosa ◽  
Larissa F. D. Freitas ◽  
Marc-André Lachance ◽  
Ann Vaughan-Martini ◽  
...  

Cultures of a novel nutritionally specialized, fermentative yeast species were isolated from 34 water tanks of five bromeliad species, two mangrove sediment samples and one swamp water sample in Rio de Janeiro, Brazil. Sequence analysis of the D1/D2 domains of the large subunit of the rRNA gene showed that the novel species belongs to the genus Kazachstania. The novel species differs from Kazachstania martiniae by 11 substitutions and 2 gaps in the sequence of the domains D1/D2 of the LSU rRNA gene. The name Kazachstania bromeliacearum sp. nov. is proposed for the novel species. The type strain is IMUFRJ 51496T ( = CBS 7996T  = DBVPG 6864T  = UFMG BR-174T).


2013 ◽  
Vol 63 (Pt_1) ◽  
pp. 393-397 ◽  
Author(s):  
Stephen A. James ◽  
Enrique Javier Carvajal Barriga ◽  
Patricia Portero Barahona ◽  
Kathryn Cross ◽  
Christopher J. Bond ◽  
...  

In the course of an on-going study aimed at cataloguing the natural yeast biodiversity found in Ecuador, two strains (CLQCA 13-025 and CLQCA 20-004T) were isolated from samples of cow manure and rotten wood collected in two separate provinces of the country (Orellana and Bolívar). These strains were found to represent a novel yeast species based on the sequences of their D1/D2 domain of the large-subunit (LSU) rRNA gene and their physiological characteristics. Phylogenetic analysis based on LSU D1/D2 sequences revealed this novel species to belong to the Metschnikowia clade and to be most closely related to Candida suratensis, a species recently discovered in a mangrove forest in Thailand. The species name of Candida ecuadorensis sp. nov. is proposed to accommodate these strains, with strain CLQCA 20-004T ( = CBS 12653T = NCYC 3782T) designated as the type strain.


2014 ◽  
Vol 64 (Pt_11) ◽  
pp. 3856-3861 ◽  
Author(s):  
Yong-Cheng Ren ◽  
Yun Wang ◽  
Liang Chen ◽  
Tao Ke ◽  
Feng-Li Hui

Two strains representing Wickerhamiella allomyrinae f.a., sp. nov. were isolated from the gut of Allomyrina dichotoma (Coleoptera: Scarabeidae) collected from the Baotianman National Nature Reserve, Nanyan, Henan Province, China. Sequence analyses of the D1/D2 domains of the LSU rRNA gene revealed that this novel species was located in the Wickerhamiella clade (Saccharomycetes, Saccharomycetales), with three described species of the genus Candida, namely Candida musiphila, Candida spandovensis and Candida sergipensis, as the most closely related species. The novel species differed from these three species by 9.3–9.8 % sequence divergence (35–45 nt substitutions) in the D1/D2 sequences. The species could also be distinguished from the closely related species, C. musiphila, C. spandovensis and C. sergipensis, by growth on vitamin-free medium and at 37 °C. The type strain is Wickerhamiella allomyrinae sp. nov. NYNU 13920T ( = CICC 33031T = CBS 13167T).


2012 ◽  
Vol 62 (Pt_6) ◽  
pp. 1438-1440 ◽  
Author(s):  
Raquel M. Cadete ◽  
Monaliza A. Melo ◽  
Mariana R. Lopes ◽  
Gilmara M. D. Pereira ◽  
Jerri E. Zilli ◽  
...  

Five strains of a novel yeast species were isolated from rotting wood samples collected in an Amazonian forest site in the state of Roraima, northern Brazil. The sequences of the D1/D2 domains of the large subunit of the rRNA gene showed that this species belongs to the Scheffersomyces clade and is related to Candida coipomoensis, Candida lignicola and Candida queiroziae. The novel species Candida amazonensis sp. nov. is proposed to accommodate these isolates. The type strain of C. amazonensis sp. nov. is UFMG-HMD-26.3T ( = CBS 12363T = NRRL Y-48762T).


2020 ◽  
Vol 70 (3) ◽  
pp. 2103-2107
Author(s):  
Chin-Feng Chang ◽  
Yi-Ru Liu ◽  
Ching-Fu Lee

Four strains of anamorphic yeasts isolated from the fruiting bodies of mushrooms collected in Taiwan were found to represent two novel yeast species belonging to the genus Teunomyces, which was formally known as the Candida kruisii clade. Strains NY13M09T and NY14M14 were related to the type strains of Teunomyces panamensis, T. pallodes, T. tritomae and T. lycoperdinae, and strains GG4M07T and GG6M14 were related to T. kruisii NRRL Y-17087T and T. cretensis NRRL Y-27777T. However, strains NY13M09T and NY14M14 differed from their closest phylogenetic neighbours by 2.9–3.7 % in the D1/D2 domain sequence of the LSU rRNA gene and by 6.6–13.7 % in the internal transcribed spacer (ITS); GG4M07T and GG6M14 differed from their closest known species by 2.4 % in the D1/D2 domain sequence of the LSU rRNA gene and by 8.7–10.0 % in the ITS. Meanwhile, these strains were also clearly distinguished from their closest relatives based on the results of physiological tests. Based on the characteristics described above, the strains could be regarded as representing two novel species of the genus Teunomyces, for which the names Teunomyces basidiocarpi sp. nov. and Teunomyces luguensis sp. nov. are proposed. The holotypes are Teunomyces basidiocarpi BCRC 23475T and Teunomyces luguensis BCRC 23476T.


2013 ◽  
Vol 63 (Pt_3) ◽  
pp. 1165-1168 ◽  
Author(s):  
Silvana Vilas Boas Safar ◽  
Fátima C. O. Gomes ◽  
Andréa R. Marques ◽  
Marc-André Lachance ◽  
Carlos A. Rosa

Two isolates of a novel yeast species were obtained from water tanks (phytotelmata) of the bromeliad Vriesea minarum collected in a tableland (‘campo rupestre’) ecosystem in Brazil. The sequences of the D1/D2 domains of the large-subunit rRNA gene showed that this species is related to Kazachstania exigua and others, from which it differs by 8–10 nucleotide substitutions. The novel species Kazachstania rupicola sp. nov. is proposed to accommodate these isolates. The type strain is UFMG-BRO-80T ( = CBS 12684T  = CBMAI 1466T).


2013 ◽  
Vol 63 (Pt_7) ◽  
pp. 2706-2711 ◽  
Author(s):  
Shinya Ninomiya ◽  
Kozaburo Mikata ◽  
Hisashi Kajimura ◽  
Hiroko Kawasaki

Thirteen strains of yeasts were isolated from ambrosia beetle galleries at several sites in Japan. Based on the morphological and biochemical characteristics and phylogenetic analysis of the D1/D2 domain of the large subunit (LSU) rRNA gene of the yeasts, 10 strains were shown to represent a novel species of the genus Wickerhamomyces, described as Wickerhamomyces scolytoplatypi sp. nov. (type strain NBRC 11029T = CBS 12186T), and were closely related to Wickerhamomyces hampshirensis. The three other strains represented a novel species of the genus Cyberlindnera, described as Cyberlindnera xylebori sp. nov. (type strain NBRC 11048T = CBS 12187T), and were closely related to Cyberlindnera euphorbiiphila. It is suggested that these species are associated with ambrosia beetles and we consider ambrosia beetle galleries as good sources of novel yeasts.


2004 ◽  
Vol 54 (6) ◽  
pp. 2431-2435 ◽  
Author(s):  
Hui-Zhong Lu ◽  
Yimin Cai ◽  
Zuo-Wei Wu ◽  
Jian-Hua Jia ◽  
Feng-Yan Bai

In an investigation of the yeast biota involved in silage deterioration, a considerable number of strains belonging to Saccharomyces and related genera were isolated from aerobically deteriorating corn silage in Tochigi, Japan. Analysis of sequences of the internal transcribed spacer and the large-subunit rRNA gene D1/D2 domain and electrophoretic karyotyping indicated that two of the strains, NS 14T and NS 26, represent a novel species with close phylogenetic relationships to Kazachstania servazzii and Kazachstania unispora. It is proposed that the novel species be named Kazachstania aerobia sp. nov., with NS 14T (=AS 2.2384T=CBS 9918T) as the type strain.


2015 ◽  
Vol 65 (Pt_8) ◽  
pp. 2466-2471 ◽  
Author(s):  
Melissa Fontes Landell ◽  
Luciana R. Brandão ◽  
Silvana V. B. Safar ◽  
Fatima C. O. Gomes ◽  
Ciro R. Félix ◽  
...  

Two independent surveys of yeasts associated with different bromeliads in different Brazilian regions led to the proposal of a novel yeast species, Bullera vrieseae sp. nov., belonging to the Tremellales clade (Agaricomycotina, Basidiomycota). Analysis of the sequences in the internal transcribed spacer (ITS) region and D1/D2 domain of the LSU rRNA gene suggested affinity to a phylogenetic lineage that includes Bullera miyagiana and Bullera sakaeratica. Six isolates of the novel species were obtained from different bromeliads and regions in Brazil. Sequence analysis of the D1/D2 domains of the large subunit of the rRNA gene showed that the novel species differs from B. miyagiana and B. sakaeratica by 85 and 64 nt substitutions, respectively and by more than 75 nt substitutions in the ITS region. Phenotypically, Bullera vrieseae sp. nov. can be distinguished from both species based on the assimilation of meso-erythritol, which was negative for B. vrieseae sp. nov. but positive for the others, assimilation of d-glucosamine, which was positive for B. vrieseae sp. nov. but negative for B. miyagiana and of l-sorbose, which was negative for B. vrieseae sp. nov. but positive for B. sakaeratica. The novel species Bullera vrieseae sp. nov. is proposed to accommodate these isolates. The type strain of Bullera vrieseae sp. nov. is UFMG-CM-Y379T (BRO443T; ex-type CBS 13870T).


2012 ◽  
Vol 62 (Pt_7) ◽  
pp. 1710-1714 ◽  
Author(s):  
A. A. Madden ◽  
A. M. Stchigel ◽  
J. Guarro ◽  
D. Sutton ◽  
P. T. Starks

A strain of a novel mucoralean fungus was isolated from a nest of the invasive paper wasp, Polistes dominulus. Phylogenetic analysis based on the internal transcribed spacer (ITS) regions and 5.8S rRNA gene sequences, along with physiological tests, revealed that this strain represents a novel species within the genus Mucor. The novel species also includes a representative that had previously been characterized as part of the Mucor hiemalis complex. Unlike the type strain of M. hiemalis, these two strains can grow at 37 °C and sporulate at 35 °C. Here, we present a partial resolution of the M. hiemalis species complex and propose the novel species Mucor nidicola sp. nov. to accommodate the isolate; the type strain of M. nidicola is F53T ( = NRRL 54520T = UAMH 11442T = CBS 130359T).


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