Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1089/ast.2012.0956 |
Acidophilic Halophilic Microorganisms in Fluid Inclusions in Halite from Lake Magic, Western Australia | |
Conner, Amber J.1; Benison, Kathleen C.2 | |
通讯作者 | Benison, Kathleen C. |
来源期刊 | ASTROBIOLOGY
![]() |
ISSN | 1531-1074 |
EISSN | 1557-8070 |
出版年 | 2013 |
卷号 | 13期号:9页码:850-860 |
英文摘要 | Lake Magic is one of the most extreme of hundreds of ephemeral acid-saline lakes in southern Western Australia. It has pH as low as 1.7, salinity as high as 32% total dissolved solids, temperatures ranging from 0 degrees C to 50 degrees C, and an unusually complex aqueous composition. Optical petrography, UV-vis petrography, and laser Raman spectrometry were used to detect microorganisms and organic compounds within primary fluid inclusions in modern bedded halite from Lake Magic. Rare prokaryotes appear as 1-3m, bright cocci that fluoresce green with UV-vis illumination. Dimpled, 5-7m yellow spherules that fluoresce blue with UV-vis illumination are interpreted as Dunaliella algae. Yellow-orange beta-carotene crystals, globules, and coatings are characterized by orange-red fluorescence and three distinct Raman peaks. Because acid saline lakes are good Mars analogues, the documentation of prokaryotes, eukaryotes, and organic compounds preserved in the halite here has implications for the search for life on Mars. Missions to Mars should incorporate such in situ optical and chemical examination of martian evaporites for possible microorganisms and/or organic compounds in fluid inclusions. |
英文关键词 | Acid Extremophiles Western Australia Fluid inclusions Lake Magic Dunaliella |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000324534100005 |
WOS关键词 | ACID-SALINE LAKES ; SALT DEPOSITS ; ANCIENT HALITE ; RAMAN-SPECTROSCOPY ; BRINE INCLUSIONS ; ATACAMA DESERT ; DEATH-VALLEY ; MARS ; LIFE ; HALOBACTERIA |
WOS类目 | Astronomy & Astrophysics ; Biology ; Geosciences, Multidisciplinary |
WOS研究方向 | Astronomy & Astrophysics ; Life Sciences & Biomedicine - Other Topics ; Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/175951 |
作者单位 | 1.Cent Michigan Univ, Dept Earth & Atmospher Sci, Mt Pleasant, MI 48859 USA; 2.W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA |
推荐引用方式 GB/T 7714 | Conner, Amber J.,Benison, Kathleen C.. Acidophilic Halophilic Microorganisms in Fluid Inclusions in Halite from Lake Magic, Western Australia[J],2013,13(9):850-860. |
APA | Conner, Amber J.,&Benison, Kathleen C..(2013).Acidophilic Halophilic Microorganisms in Fluid Inclusions in Halite from Lake Magic, Western Australia.ASTROBIOLOGY,13(9),850-860. |
MLA | Conner, Amber J.,et al."Acidophilic Halophilic Microorganisms in Fluid Inclusions in Halite from Lake Magic, Western Australia".ASTROBIOLOGY 13.9(2013):850-860. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。