Arid
DOI10.1007/s00248-017-1129-1
Microbial Communities of High-Elevation Fumaroles, Penitentes, and Dry Tephra "Soils" of the Puna de Atacama Volcanic Zone
Solon, Adam J.1; Vimercati, Lara1; Darcy, J. L.1; Aran, Pablo2,3,4; Porazinska, Dorota1; Dorador, C.2,3,4; Farias, M. E.5; Schmidt, S. K.1
通讯作者Schmidt, S. K.
来源期刊MICROBIAL ECOLOGY
ISSN0095-3628
EISSN1432-184X
出版年2018
卷号76期号:2页码:340-351
英文摘要

The aim of this study was to understand the spatial distribution of microbial communities (18S and 16S rRNA genes) across one of the harshest terrestrial landscapes on Earth. We carried out Illumina sequencing using samples from two expeditions to the high slopes (up to 6050 m.a.s.l.) of Volcan Socompa and Llullaillaco to describe the microbial communities associated with the extremely dry tephra compared to areas that receive water from fumaroles and ice fields made up of nieves penitentes. There were strong spatial patterns relative to these landscape features with the most diverse (alpha diversity) communities being associated with fumaroles. Penitentes did not significantly increase alpha diversity compared to dry tephra at the same elevation (5825 m.a.s.l.) on Volcan Socompa, but the structure of the 18S community (beta diversity) was significantly affected by the presence of penitentes on both Socompa and Llullaillaco. In addition, the 18S community was significantly different in tephra wetted by penitentes versus dry tephra sites across many elevations on Llullaillaco. Traditional phototrophs (algae and cyanobacteria) were abundant in wetter tephra associated with fumaroles, and algae (but not cyanobacteria) were common in tephra associated with penitentes. Dry tephra had neither algae nor cyanobacteria but did host potential phototrophs in the Rhodospirillales on Volcan Llullaillaco, but not on Socompa. These results provide new insights into the distribution of microbes across one of the most extreme terrestrial environments on Earth and provide the first ever glimpse of life associated with nieves penitentes, spire-shaped ice structures that are widespread across the mostly unexplored high-elevation Andean Central Volcanic Zone.


英文关键词Water availability Nieves penitentes Naganishia Snow algae Astrobiology Altiplano
类型Article
语种英语
国家USA ; Chile ; Argentina
收录类别SCI-E
WOS记录号WOS:000439727300005
WOS关键词SOCOMPA VOLCANO ; BACTERIAL DIVERSITY ; WATER AVAILABILITY ; DEBRIS AVALANCHE ; DESERT ; LIFE ; BIODIVERSITY ; ENVIRONMENT ; ALIGNMENT ; ALTITUDE
WOS类目Ecology ; Marine & Freshwater Biology ; Microbiology
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211651
作者单位1.Univ Colorado, Dept Ecol & Evolutionary Biol, Boulder, CO 80309 USA;
2.Inst Antofagasta, Lab Complejidad Microbiana & Ecol Func, Antofagasta, Chile;
3.Univ Antofagasta, Ctr Biotechnol & Bioengn CeBiB, Antofagasta, Chile;
4.Univ Antofagasta, Fac Ciencias Mar & Recursos Biol, Dept Biotechnol, Antofagasta, Chile;
5.PROIMI, Lab Invest Microbiol Lagunas Andinas, San Miguel De Tucuman, Argentina
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GB/T 7714
Solon, Adam J.,Vimercati, Lara,Darcy, J. L.,et al. Microbial Communities of High-Elevation Fumaroles, Penitentes, and Dry Tephra "Soils" of the Puna de Atacama Volcanic Zone[J],2018,76(2):340-351.
APA Solon, Adam J..,Vimercati, Lara.,Darcy, J. L..,Aran, Pablo.,Porazinska, Dorota.,...&Schmidt, S. K..(2018).Microbial Communities of High-Elevation Fumaroles, Penitentes, and Dry Tephra "Soils" of the Puna de Atacama Volcanic Zone.MICROBIAL ECOLOGY,76(2),340-351.
MLA Solon, Adam J.,et al."Microbial Communities of High-Elevation Fumaroles, Penitentes, and Dry Tephra "Soils" of the Puna de Atacama Volcanic Zone".MICROBIAL ECOLOGY 76.2(2018):340-351.
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