Arid
DOI10.1007/s00792-020-01182-0
Richness and metallo-tolerance of cultivable fungi recovered from three high altitude glaciers from Citlaltepetl and Iztaccihuatl volcanoes (Mexico)
Calvillo-Medina, Rosa Paulina1; Gunde-Cimerman, Nina2; Escudero-Leyva, Efrain3,4,5; Barba-Escoto, Luis6; Fernandez-Tellez, Elisa Irma7; Medina-Tellez, Ariadna Andrea7; Bautista-de Lucio, Victor8; Ramos-Lopez, Miguel Angel1; Campos-Guillen, Juan1
通讯作者Calvillo-Medina, Rosa Paulina
来源期刊EXTREMOPHILES
ISSN1431-0651
EISSN1433-4909
出版年2020
卷号24期号:4页码:625-636
英文摘要In Mexico little is known about high-altitude glacial psychrotolerant or psychrophilic fungal species, with most glacial fungi isolated from polar environments or Alpine glaciers. It has been documented that some of these species may play an important role in bioremediation of contaminated environments with heavy metals. In the present study, 75 fungi were isolated from glaciers in Citlaltepetl (5675 masl) and Iztaccihuatl (5286 masl) volcanoes. Combining morphological characteristics and molecular methods, based on ITS rDNA, 38 fungi were partially identified to genus level, 35 belonging toAscomycotaand three toMucoromycota. The most abundant genera wereCladosporium, followed byAlternariaandSordariomycetesorder. All isolated fungi were psychrotolerant, pigmented and resistant to different concentrations of Cr(III) and Pb(II), while none tolerated Hg(II). Fungi most tolerant to Cr(III) and Pb(II) belong to the generaStemphylium,CladosporiumandPenicilliumand to a lesser extentAureobasidiumandSordariomycetes.To our knowledge, this is the first report on cultivable mycobiota richness and their Cr and Pb tolerance. The results open new research possibilities about fungal diversity and heavy metals myco-remediation. Extremophilic fungal communities should be further investigated before global warming causes permanent changes and we miss the opportunity to describe these sites in Mexico.
英文关键词Volcanic glaciers Psychrotolerant fungal isolates Partial identification Heavy metal tolerance
类型Article
语种英语
国家Mexico ; Slovenia ; Costa Rica
收录类别SCI-E
WOS记录号WOS:000540697300001
WOS关键词FILAMENTOUS FUNGI ; SOIL MICROBIOTA ; DIVERSITY ; COLD ; LEAD ; DESERT ; YEAST ; ICE ; DNA
WOS类目Biochemistry & Molecular Biology ; Microbiology
WOS研究方向Biochemistry & Molecular Biology ; Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/318790
作者单位1.Univ Autonoma Queretaro, Fac Quim, Santiago De Queretaro, Qro, Mexico;
2.Univ Ljubljana, Biotech Fac, Dept Biol, Mol Genet & Biol Microorganisms, Ljubljana, Slovenia;
3.Univ Costa Rica, Ctr Invest Prod Nat CIPRONA, San Jose, Costa Rica;
4.Univ Costa Rica, Escuela Biol, San Jose, Costa Rica;
5.CeNAT CONARE, Centro Nacl Comp Avanzada CNCA, Ctr Nacl Innovac Biotecnol CENIBiot, San Jose, Costa Rica;
6.Int Maize & Wheat Improvement Ctr CIMMYT, Sustainable Intensificat Program, Texcoco, Mexico;
7.Univ Autonoma Queretaro, Fac Ciencias Nat, Santiago De Queretaro, Qro, Mexico;
8.Fdn Asistencia Privada Conde Valenciana, Inst Oftalmol, Lab Microbiol & Proteom, Mexico City, DF, Mexico
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GB/T 7714
Calvillo-Medina, Rosa Paulina,Gunde-Cimerman, Nina,Escudero-Leyva, Efrain,et al. Richness and metallo-tolerance of cultivable fungi recovered from three high altitude glaciers from Citlaltepetl and Iztaccihuatl volcanoes (Mexico)[J],2020,24(4):625-636.
APA Calvillo-Medina, Rosa Paulina.,Gunde-Cimerman, Nina.,Escudero-Leyva, Efrain.,Barba-Escoto, Luis.,Fernandez-Tellez, Elisa Irma.,...&Campos-Guillen, Juan.(2020).Richness and metallo-tolerance of cultivable fungi recovered from three high altitude glaciers from Citlaltepetl and Iztaccihuatl volcanoes (Mexico).EXTREMOPHILES,24(4),625-636.
MLA Calvillo-Medina, Rosa Paulina,et al."Richness and metallo-tolerance of cultivable fungi recovered from three high altitude glaciers from Citlaltepetl and Iztaccihuatl volcanoes (Mexico)".EXTREMOPHILES 24.4(2020):625-636.
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