Expanding world of ballistosporous yeasts. Distribution in the phyllosphere, systematics and phylogeny.

Nakase, Takashi

doi:10.2323/jgam.46.189

Cited by 60 publications

(47 citation statements)

References 108 publications

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“…Within the Basidiomycota eight OTUs belonged to the class Homobasidiomycetes, which includes many ectomycorrhizal fungi, five OTUs belonged to the Heterobasidiomycetes, and three OTUs belonged to the Urediniomycetes. Members belonging to the last class were closely related to ballistosporous yeasts inhabiting the phyllosphere (19). The Sebacinales of the Heterobasidiomycetes comprise species that form ectomycorrhizas, orchid mycorrhizas, ericoid mycorrhizas, and endophytes (38).…”

Section: Resultsmentioning

confidence: 99%

Only a Few Fungal Species Dominate Highly Diverse Mycofloras Associated with the Common Reed

Neubert

Mendgen

Brinkmann

et al. 2006

Appl Environ Microbiol

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Plants are naturally colonized by many fungal species that produce effects ranging from beneficial to pathogenic. However, how many of these fungi are linked with a single host plant has not been determined. Furthermore, the composition of plant-associated fungal communities has not been rigorously determined. We investigated these essential issues by employing the perennial wetland reed Phragmites australis as a model. DNA extracted from roots, rhizomes, stems, and leaves was used for amplification and cloning of internal transcribed spacer rRNA gene fragments originating from reed-associated fungi. A total of 1,991 clones from 15 clone libraries were differentiated by restriction fragment length polymorphism analyses into 345 operational taxonomical units (OTUs). Nonparametric estimators for total richness (Chao1 and ACE) and also a parametric log normal model predicted a total of about 750 OTUs if the libraries were infinite. Sixty-two percent of the OTUs sequenced were novel at a threshold of 3%. Several of these OTUs represented undocumented fungal species, which also included higher taxonomic levels. In spite of the high diversity of the OTUs, the mycofloras of vegetative organs were dominated by just a few typical fungi, which suggested that competition and niche differentiation influence the composition of plant-associated fungal communities. This suggestion was independently supported by the results of nested PCR assays specifically monitoring two OTUs over 3 years, which revealed significant preferences for host habitat and host organ.

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Section: Resultsmentioning

confidence: 99%

Only a Few Fungal Species Dominate Highly Diverse Mycofloras Associated with the Common Reed

Neubert

Mendgen

Brinkmann

et al. 2006

Appl Environ Microbiol

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“…Sporidiobolus and Sporobolomyces appear to be associated mainly with the phylloplane of terrestrial plants (Nakase, 2000). Their presence in water reservoirs, including marine systems, is possibly caused by run-off (Hagler & Ahearn, 1987).…”

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confidence: 99%

Sporidiobolus longiusculus sp. nov. and Sporobolomyces patagonicus sp. nov., novel yeasts of the Sporidiobolales isolated from aquatic environments in Patagonia, Argentina

Libkind

Gadanho

Broock

et al. 2005

International Journal of Systematic and Evolutionary Microbiology

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During a survey of carotenogenic yeasts carried out in north-western Patagonia (Argentina), several ballistoconidia-producing strains belonging to the order Sporidiobolales were isolated from aquatic environments. Five strains were found to represent two novel species, for which the names Sporidiobolus longiusculus and Sporobolomyces patagonicus are proposed, with CBS 9654T (=PYCC 5818T=CRUB 1044T) and CBS 9657T (=PYCC 5817T=CRUB 1038T) as the type strains, respectively. The elongated basidia, which are five to six times longer that those of the remaining species of the genus Sporidiobolus, are a particular micromorphological feature of Sporidiobolus longiusculus. On the basis of the sequences of the D1/D2 domains of the 26S rRNA gene, the species most closely related to Sporidiobolus longiusculus is Sporobolomyces bannaensis, whereas Sporobolomyces marcillae is the closest relative of Sporobolomyces patagonicus. Complete internal transcribed spacer sequence analysis confirmed the separate position of Sporidiobolus longiusculus, whereas for Sporobolomyces patagonicus no nucleotide differences were found with respect to Sporidiobolus pararoseus CBS 491T. Negative mating experiments between strains of Sporobolomyces patagonicus and strains of Sporidiobolus pararoseus together with the low DNA–DNA reassociation values for the type strains of the two species validated the proposal of Sporobolomyces patagonicus as a distinct species. Information on additional Patagonian Sporobolomyces isolates is also included in this report.

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“…This species represents the sexual stage of Sporobolomyces roseus, which seems to be a common yeast in the phylloplane and other habitats in several geographical regions located on the temperate zone but not in the tropics (Nakase, 2000). To our knowledge, all the isolates that have been molecularly identified as Sporobolomyces roseus using D1/D2 sequences show at least one sequence mismatch towards CBS 486 T , the type strain of this species.…”

Section: Discussionmentioning

confidence: 99%

“…Sporobolomyces roseus Kluyver & van Niel is one of the most common phylloplane yeasts (Derx, 1930;Tubaki, 1953;Last, 1955;Nakase, 2000). This species has also been found in other substrates such as air (Hirst, 1953), seawater (Hernandez-Saavedra et al, 1992;Gadanho et al, 2003) and freshwater (Libkind et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Reappraisal of the Sporobolomyces roseus species complex and description of Sporidiobolus metaroseus sp. nov.

Valério

Gadanho

Sampaio

2008

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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Expanding world of ballistosporous yeasts. Distribution in the phyllosphere, systematics and phylogeny.

Cited by 60 publications

References 108 publications

Only a Few Fungal Species Dominate Highly Diverse Mycofloras Associated with the Common Reed

Only a Few Fungal Species Dominate Highly Diverse Mycofloras Associated with the Common Reed

Sporidiobolus longiusculus sp. nov. and Sporobolomyces patagonicus sp. nov., novel yeasts of the Sporidiobolales isolated from aquatic environments in Patagonia, Argentina

Reappraisal of the Sporobolomyces roseus species complex and description of Sporidiobolus metaroseus sp. nov.

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