Arid
DOI10.3390/life10020013
Endolithic Fungal Species Markers for Harshest Conditions in the McMurdo Dry Valleys, Antarctica
Coleine, Claudia1; Pombubpa, Nuttapon2,3; Zucconi, Laura1; Onofri, Silvano1; Stajich, Jason E.2,3; Selbmann, Laura1,4
通讯作者Stajich, Jason E. ; Selbmann, Laura
来源期刊LIFE-BASEL
EISSN2075-1729
出版年2020
卷号10期号:2
英文摘要The microbial communities that inhabit lithic niches inside sandstone in the Antarctic McMurdo Dry Valleys of life's limits on Earth. The cryptoendolithic communities survive in these ice-free areas that have the lowest temperatures on Earth coupled with strong thermal fluctuations, extreme aridity, oligotrophy and high levels of solar and UV radiation. In this study, based on DNA metabarcoding, targeting the fungal Internal Transcribed Spacer region 1 (ITS1) and multivariate statistical analyses, we supply the first comprehensive overview onto the fungal diversity and composition of these communities sampled over a broad geographic area of the Antarctic hyper-arid cold desert. Six locations with surfaces that experience variable sun exposure were sampled to compare communities from a common area across a gradient of environmental pressure. The Operational Taxonomic Units (OTUs) identified were primarily members of the Ascomycota phylum, comprised mostly of the Lecanoromycetes and Dothideomycetes classes. The fungal species Friedmanniomyces endolithicus, endemic to Antarctica, was found to be a marker species to the harshest conditions occurring in the shady, south exposed rock surfaces. Analysis of community composition showed that sun exposure was an environmental property that explained community diversity and structured endolithic colonization.
英文关键词Antarctica cryptoendolithic communities McMurdo Dry Valleys ITS metabarcoding fungi marker species
类型Article
语种英语
国家Italy ; USA
开放获取类型gold, Green Published
收录类别SCI-E
WOS记录号WOS:000534049200003
WOS关键词BLACK FUNGI ; FRIEDMANNIOMYCES-ENDOLITHICUS ; CRYPTOENDOLITHIC COMMUNITIES ; MICROBIAL DIVERSITY ; SURVIVAL ; SPACE ; ICE ; MICROORGANISMS ; BIODIVERSITY ; ADAPTATION
WOS类目Biology ; Microbiology
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/318834
作者单位1.Univ Tuscia, Dept Ecol & Biol Sci, I-01100 Viterbo, Italy;
2.Univ Calif Riverside, Dept Microbiol & Plant Pathol, Riverside, CA 92521 USA;
3.Univ Calif Riverside, Inst Integrat Genome Biol, Riverside, CA 92521 USA;
4.Italian Natl Antarctic Museum MNA, Mycol Sect, I-16166 Genoa, Italy
推荐引用方式
GB/T 7714
Coleine, Claudia,Pombubpa, Nuttapon,Zucconi, Laura,et al. Endolithic Fungal Species Markers for Harshest Conditions in the McMurdo Dry Valleys, Antarctica[J],2020,10(2).
APA Coleine, Claudia,Pombubpa, Nuttapon,Zucconi, Laura,Onofri, Silvano,Stajich, Jason E.,&Selbmann, Laura.(2020).Endolithic Fungal Species Markers for Harshest Conditions in the McMurdo Dry Valleys, Antarctica.LIFE-BASEL,10(2).
MLA Coleine, Claudia,et al."Endolithic Fungal Species Markers for Harshest Conditions in the McMurdo Dry Valleys, Antarctica".LIFE-BASEL 10.2(2020).
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