Research Topics
| D LibkindSummaryAffiliation: Universidad Nacional del Comahue Country: Argentina Publications
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Detail Information
Publications
Biogeography, host specificity, and molecular phylogeny of the basidiomycetous yeast Phaffia rhodozyma and its sexual form, Xanthophyllomyces dendrorhousDiego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, Centro Regional Universitario Bariloche, Quintral 1250, Bariloche, Rio Negro, Argentina
Appl Environ Microbiol 73:1120-5. 2007..Such knowledge is essential for the comprehension of many aspects of the biology of this organism and will facilitate the study of astaxanthin production within an evolutionary and ecological framework...
Fatty acid composition of cold-adapted carotenogenic basidiomycetous yeastsD Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, INIBIOMA Universidad Nacional del Comahue CONICET, Rio Negro, Argentina
Rev Argent Microbiol 40:193-7. 2008..Our results suggest that Patagonian yeasts may be considered an interesting source of essential PUFAs...
Molecular characterization of carotenogenic yeasts from aquatic environments in Patagonia, ArgentinaDiego Libkind
Universidad Nacional del Comahue, Centro Regional Universitario Bariloche CRUB CONICET Consejo Nacional de Investigaciones Científicas y Tecnológicas, Bariloche, Rio Negro, Argentina
Antonie Van Leeuwenhoek 84:313-22. 2003..kratochvilovae and Sporidiobolus salmonicolor. This study represents the first report on red yeast occurrence and biodiversity in northwestern Patagonia...
Cystobasidiomycetes yeasts from Patagonia (Argentina): description of Rhodotorula meli sp. nov. from glacial meltwaterDiego Libkind
Instituto de Investigaciones en Biodiversidad y Medio Ambiente, UNComahue CONICET, Quintral, Bariloche, Rio Negro, Argentina
Int J Syst Evol Microbiol 60:2251-6. 2010..meli, formed a separate cluster related to the Sakaguchia clade within the Cystobasidiomycetes. Additional Patagonian yeast isolates of the class Cystobasidiomycetes are also investigated in the present work...
Yeasts from high-altitude lakes: influence of UV radiationDiego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, Centro Regional Universitario Bariloche CRUB CONICET Consejo Nacional de Investigaciones Científicas y Tecnológicas, Rio Negro, Argentina
FEMS Microbiol Ecol 69:353-62. 2009..Our results indicate that UVR is an important environmental factor affecting the yeast community structure in aquatic habitats...
Studies on the heterogeneity of the carotenogenic yeast Rhodotorula mucilaginosa from Patagonia, ArgentinaDiego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, Centro Regional Universitario Bariloche, CONICET, Rio Negro, Argentina
J Basic Microbiol 48:93-8. 2008..The study of Patagonian isolates allowed the detection of a genetically distinct group of R. mucilaginosa strains...
Characterization of a novel South American population of the astaxanthin producing yeast Xanthophyllomyces dendrorhous (Phaffia rhodozyma)Diego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, Centro Regional Universitario Bariloche, CONICET, Bariloche, Rio Negro, Argentina
J Ind Microbiol Biotechnol 35:151-8. 2008..Genetic differences between Patagonian and collection X. dendrorhous strains could be explained by geographic isolation and habitat specificity...
[Assessment of the MSP-PCR technique for the molecular characterization of Rhodotorula mucilaginosa isolates from northwestern Patagonia]D Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, UE Bariloche, Consejo Nacional de Investigaciones Científicas y Tecnológicas, Rio Negro, Argentina
Rev Argent Microbiol 39:133-7. 2007..The MSP-PCR technique was effective, both, for the characterization and identification of a large number of R. mucilaginosa environmental isolates as well as for the detection of polymorphisms within the species...
Occurrence of photoprotective compounds in yeasts from freshwater ecosystems of northwestern Patagonia (Argentina)Diego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, CRUB, UNC, 8400 Bariloche, Argentina
Photochem Photobiol 82:972-80. 2006..Collectively, our work reveals that in Patagonian freshwater yeasts there is an apparent relationship between the ability to produce PPCs, their tolerance to UV exposure and their success in colonizing habitats highly exposed to UVR...
Phylogenetic distribution of fungal mycosporines within the Pucciniomycotina (Basidiomycota)Diego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Instituto de Investigaciones en Biodiversidad y Medio Ambiente, UNComahue CONICET, Quintral 1250 8400, Bariloche, Rio Negro, Argentina
Yeast 28:619-27. 2011..The taxonomic value of this trait in fungal systematics is discussed...
Rhodotorula mucilaginosa, a carotenoid producing yeast strain from a Patagonian high-altitude lakeD Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, Centro Regional Universitario Bariloche CRUB CONICET, Bariloche, Rio Negro, Argentina
Folia Microbiol (Praha) 49:19-25. 2004..32 mg/L) were obtained at C/N = 5 in culture medium containing 10 and 40 g/L glucose, respectively. Different C/N ratios did not influence carotenoid pigment production but low C/N enhanced biomass yield...
Sporidiobolus longiusculus sp. nov. and Sporobolomyces patagonicus sp. nov., novel yeasts of the Sporidiobolales isolated from aquatic environments in Patagonia, ArgentinaDiego Libkind
Universidad Nacional del Comahue, Centro Regional Universitario Bariloche, Consejo Nacional de Investigaciones Científicas y Tecnológicas, Bariloche, Rio Negro, Argentina
Int J Syst Evol Microbiol 55:503-9. 2005..Information on additional Patagonian Sporobolomyces isolates is also included in this report...
Mycosporines in carotenogenic yeastsDiego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, CRUB, UNComahue, Bariloche, CONICET, Argentina
Syst Appl Microbiol 28:749-54. 2005..The consistent occurrence of MYCs in some specific phylogenetic groups suggests this trait bears evolutionary significance and that the presence/absence of MYCs may have potential applications in yeast systematics...
Cystofilobasidium lacus-mascardii sp. nov., a basidiomycetous yeast species isolated from aquatic environments of the Patagonian Andes, and Cystofilobasidium macerans sp. nov., the sexual stage of Cryptococcus maceransDiego Libkind
Laboratorio de Microbiología Aplicada y Biotecnología, Universidad Nacional del Comahue, Centro Regional Universitario Bariloche CRUB, CONICET Consejo Nacional de Investigaciones Científicas y Tecnológicas, Bariloche, Rio Negro, Argentina
Int J Syst Evol Microbiol 59:622-30. 2009..nov. (type strain CBS 10757(T)) are discussed and compared with those of the remaining species in the genus. Information on additional Patagonian isolates belonging to the Cystofilobasidiales is also included in this report...
Extracellular enzymatic activities of basidiomycetous yeasts isolated from glacial and subglacial waters of northwest Patagonia (Argentina)Silvia Brizzio
Laboratorio de Microbiología Aplicada y Biotecnología, CRUB, Universidad Nacional del Comahue, Bariloche, Argentina
Can J Microbiol 53:519-25. 2007..In light of these findings, cold environments of Patagonia (Argentina) may be considered a potential source of cold-adapted yeasts producing industrially relevant cold-active enzymes...
Biodiversity of cold-adapted yeasts from glacial meltwater rivers in Patagonia, ArgentinaVirginia de García
Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, UNCO CONICET, Bariloche, Argentina
FEMS Microbiol Ecol 59:331-41. 2007..All yeast strains were able to grow at 5, 10, and 15 degrees C. Among yeast strains expressing extracellular enzymatic activity, higher proteolytic and lipolytic activities were obtained at 4 degrees C than at 20 degrees C...
Yeast diversity in the acidic Rio Agrio-Lake Caviahue volcanic environment (Patagonia, Argentina)Gabriel Russo
Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, Bariloche, Argentina
FEMS Microbiol Ecol 65:415-24. 2008..These Cryptococcus species are apparently specialists of acidic aquatic environments, and might bear physiological features that possibly account for their ability to thrive in such extreme environments...
Constitutive and UV-inducible synthesis of photoprotective compounds (carotenoids and mycosporines) by freshwater yeastsDiego Libkind
Unidad Postal Universidad, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, 8400 San Carlos de Bariloche, Argentina
Photochem Photobiol Sci 3:281-6. 2004..Collectively, our results suggest that the presence of carotenoids, either alone or in combination with mycosporines, are required for sustaining growth under exposure to PAR + UVR in the freshwater yeast strains studied...
Photoprotective role of carotenoids in yeasts: Response to UV-B of pigmented and naturally-occurring albino strainsMartín Moline
Instituto de Investigaciones en Biodiversidad y Medio Ambiente, CONICET UNComahue, Bariloche, Argentina
J Photochem Photobiol B 95:156-61. 2009..These results indicated that carotenoid pigments afford UV-B protection in yeasts...
Wickerhamomyces patagonicus sp. nov., an ascomycetous yeast species from Patagonia, ArgentinaVirginia de García
Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, Argentina
Int J Syst Evol Microbiol 60:1693-6. 2010..The closest related species were Candida ponderosae and Wickerhamomyces chambardii. Wickerhamomyces patagonicus sp. nov. is proposed to accommodate these novel strains, with the type strain CRUB 1724(T) (=CBS 11398(T) =JCM 16381(T))...
Cryptococcus spencermartinsiae sp. nov., a basidiomycetous yeast isolated from glacial waters and apple fruitsVirginia de García
Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, INIBIOMA CONICET, Quintral 1250, San Carlos de Bariloche, Río Negro C P 8400, Argentina
Int J Syst Evol Microbiol 60:707-11. 2010..The name Cryptococcus spencermartinsiae sp. nov. is proposed to accommodate these strains. The type strain is CRUB 1230(T) (=CBS 10760(T) =DBVPG 8010(T))...
Cryptococcus agrionensis sp. nov., a basidiomycetous yeast of the acidic rock drainage ecoclade, isolated from an acidic aquatic environment of volcanic originGabriel Russo
Instituto de Investigaciones en Biodiversidad y Medioambiente INIBIOMA CONICET, Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue UNCo, Bariloche, Argentina
Int J Syst Evol Microbiol 60:996-1000. 2010..The name Cryptococcus agrionensis sp. nov. is proposed to accommodate these isolates, with strain CRUB 1317(T) (=CBS 10799(T)=JCM 15321(T)) as the type strain...
Photoprotection by carotenoid pigments in the yeast Rhodotorula mucilaginosa: the role of torularhodinMartín Moline
Laboratorio de Microbiología Aplicada y Biotecnología, Instituto de Investigaciones en Biodiversidad y Medio Ambiente, INIBIOMA CONICET UNComahue, Quintral 1250, 8400, San Carlos de Bariloche, Rio Negro, Argentina
Photochem Photobiol Sci 9:1145-51. 2010..These results indicate that bearing higher torularhodin concentrations enhances UV-B survival in yeasts and, thus, the accumulation of this pigment constitutes an important mechanism that improves the resistance of yeasts to UV-B...
Mycosporines from freshwater yeasts: a trophic cul-de-sac?Patricia Perez
Laboratorio de Fotobiología, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, U P Universidad, 8400 Bariloche, Argentina
Photochem Photobiol Sci 5:25-30. 2006..reinhardii. This suggests that the copepods were able to modify their tissue concentrations of MAAs in response to environmental clues but also that the contribution of yeast mycosporines to total MAAs concentration was negligible...
Mycosporine-glutaminol-glucoside, a UV-absorbing compound of two Rhodotorula yeast speciesRuben Sommaruga
Laboratory of Aquatic Photobiology and Plankton Ecology, Institute of Zoology and Limnology, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
Yeast 21:1077-81. 2004..This is the first identification of a mycosporine in yeasts. The presence of this compound seems to be a promising chemotaxonomical marker for yeast systematics...
Carotenoid profiles of yeasts belonging to the genera Rhodotorula, Rhodosporidium, Sporobolomyces, and SporidiobolusPietro Buzzini
Dipartimento di Biologia Vegetale e Biotecnologie Agroambientali, Sezione di Microbiologia Applicata, Universita di Perugia, Borgo XX Giugno 74, 06121 Perugia, Italy
Can J Microbiol 53:1024-31. 2007....
Yeast diversity in the extreme acidic environments of the Iberian Pyrite BeltMário Gadanho
Centro de Recursos Microbiológicos CREM, Secção Autónoma de Biotecnologia SABT, Faculdade de Ciencias e Tecnologia, Universidade Nova de Lisboa, 2829 516 Caparica, Portugal
Microb Ecol 52:552-63. 2006..Species occurring in situations of intermediate environmental stress were Candida fluviatilis, Rhodosporidium toruloides, Williopsis californica, and three unidentified yeasts belonging to Rhodotorula and Cryptococcus...
