Ecology: Where Yeasts Live

Spencer, J. F. T.; Spencer, Dorothy M.

doi:10.1007/978-3-662-03370-8_4

Cited by 62 publications

(43 citation statements)

References 9 publications

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“…The consensus drawn from various texts is that C. albicans is associated mainly with humans, other mammals, and avian species (1,15,21,31,45). Isolates from reptiles were not cited, making our red-eared slider strain unique.…”

Section: Discussionmentioning

confidence: 99%

Molecular Phylogenetic Analysis of a Geographically and Temporally Matched Set ofCandida albicansIsolates from Humans and Nonmigratory Wildlife in Central Illinois

Wrobel

Whittington

Pujol³

et al. 2008

Eukaryot Cell

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This study explored whether wildlife species serve as the reservoir for human Candida albicans strains in a given geographic area. C. albicans isolates were collected from nonmigratory wildlife admitted to the University of Illinois Wildlife Medical Clinic. A geographically and temporally matched set of C. albicans oral isolates was collected from healthy human volunteers. Multilocus sequence typing was used to assign strains to genetic clades. Clade 1 isolates, particularly diploid sequence type 69 (DST 69), were most common in humans. Clade 1 strains were less frequently recovered from wildlife, while clade 8 strains, particularly DST 90, were overrepresented in the wildlife collection. All instances where a wildlife and human isolate shared the same DST occurred within clade 1. Clade distributions between human and wildlife isolates were significantly different, demonstrating population isolation between the groups. These differences may indicate limited strain transfer between groups or differential selection of C. albicans isolates in humans and wildlife. Wildlife strains had an amphotericin B MIC significantly lower than that of human isolates; strains with increased susceptibility were from several clades. C. albicans isolates were collected from domestic animals to provide comparisons with human and wildlife data sets. C. albicans isolation from canine and feline oral and anal swabs was infrequent; companion animal isolates were closely related to clade 1 human isolates. Collectively, the data suggest a greater likelihood of C. albicans transfer from humans to animals than from animals to humans. The nontransient human population may maintain the connection between geography and the C. albicans genetic groups recovered from humans.

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Section: Discussionmentioning

confidence: 99%

Molecular Phylogenetic Analysis of a Geographically and Temporally Matched Set ofCandida albicansIsolates from Humans and Nonmigratory Wildlife in Central Illinois

Wrobel

Whittington

Pujol³

et al. 2008

Eukaryot Cell

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“…The type strain is RV5 Yeasts in the genus Candida are distributed widely in both terrestrial and aquatic habitats. In aquatic habitats, Candida strains have been found in fresh water, estuarine water and sea water (Cooke et al, 1960;Hagler & Ahearn, 1981Spencer & Spencer, 1997;de Almeida, 2005;Butinar et al, 2005;Nagahama, 2006;de García et al, 2007;Limtong et al, 2007Limtong et al, , 2008Boonmak et al, 2009;Limtong et al, 2010). Mangrove forests, or intertidal forests, are plant communities in saline coastal habitats distributed over a wide range of geographical zones (Aksornkoae, 1999).…”

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confidence: 99%

Candida andamanensis sp. nov., Candida laemsonensis sp. nov. and Candida ranongensis sp. nov., anamorphic yeast species isolated from estuarine waters in a Thai mangrove forest

Am-In

Yongmanitchai

Jindamorakot

2011

International Journal of Systematic and Evolutionary Microbiology

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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).

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“…on May 12, 2018 by guest http://aem.asm.org/ "species" of the polyphyletic genus Cryptococcus, which is common in soils in association with plant roots (43,53). The absence of boletes and the low number of "species" detected in the gomphoid/phalloid, russuloid, and thelephoroid clades may be due, at least in part, to insufficient sampling, but many of the boletes and rususloids and most or all thelephoroids are ectomycorrhizal and would not be expected in agroecosystems that lack suitable host plants (11,24).…”

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confidence: 99%

Diversity of Basidiomycetes in Michigan Agricultural Soils

Lynch

Thorn

2006

Appl Environ Microbiol

101

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We analyzed the communities of soil basidiomycetes in agroecosystems that differ in tillage history at the Kellogg Biological Station Long-Term Ecological Research site near Battle Creek, Michigan. The approach combined soil DNA extraction through a bead-beating method modified to increase recovery of fungal DNA, PCR amplification with basidiomycete-specific primers, cloning and restriction fragment length polymorphism screening of mixed PCR products, and sequencing of unique clones. Much greater diversity was detected than was anticipated in this habitat on the basis of culture-based methods or surveys of fruiting bodies. With "species" defined as organisms yielding PCR products with >99% identity in the 5 650 bases of the nuclear large-subunit ribosomal DNA, 241 "species" were detected among 409 unique basidiomycete sequences recovered. Almost all major clades of basidiomycetes from basidiomycetous yeasts and other heterobasidiomycetes through polypores and euagarics (gilled mushrooms and relatives) were represented, with a majority from the latter clade. Only 24 of 241 "species" had 99% or greater sequence similarity to named reference sequences in GenBank, and several clades with multiple "species" could not be identified at the genus level by phylogenetic comparisons with named sequences. The total estimated "species" richness for this 11.2-ha site was 367 "species" of basidiomycetes. Since >99% of the study area has not been sampled, the accuracy of our diversity estimate is uncertain. Replication in time and space is required to detect additional diversity and the underlying community structure.

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Ecology: Where Yeasts Live

Cited by 62 publications

References 9 publications

Molecular Phylogenetic Analysis of a Geographically and Temporally Matched Set ofCandida albicansIsolates from Humans and Nonmigratory Wildlife in Central Illinois

Molecular Phylogenetic Analysis of a Geographically and Temporally Matched Set ofCandida albicansIsolates from Humans and Nonmigratory Wildlife in Central Illinois

Candida andamanensis sp. nov., Candida laemsonensis sp. nov. and Candida ranongensis sp. nov., anamorphic yeast species isolated from estuarine waters in a Thai mangrove forest

Diversity of Basidiomycetes in Michigan Agricultural Soils

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