干旱区生态环境知识资源中心(Arid): Imperfect Asymmetry of Life: Earth Microbial Communities Prefer D-Lactate but Can Use L-Lactate Also

Arid

DOI	10.1089/ast.2009.0438
	Imperfect Asymmetry of Life: Earth Microbial Communities Prefer D-Lactate but Can Use L-Lactate Also
	Moazeni, Faegheh; Zhang, Gaosen; Sun, Henry J.
通讯作者	Sun, Henry J.
来源期刊	ASTROBIOLOGY
ISSN	1531-1074
EISSN	1557-8070
出版年	2010
卷号	10 期号:4 页码:397-402
英文摘要	Asymmetrical utilization of chiral compounds has been sought on Mars as evidence for biological activity. This method was recently validated in glucose. Earth organisms utilize D-glucose, not L-glucose, a perfect asymmetry. In this study, we tested the method in lactate and found utilization of both enantiomers. Soil-, sediment-, and lakeborne microbial communities prefer D-lactate but can consume L-lactate if given extra time to acclimate. This situation is termed imperfect asymmetry. Future life-detection mission investigators need to be aware of imperfect asymmetry so as not to miss relatively subtle signs of life.
英文关键词	Chirality Homochirality Life detection Atacama Desert
类型	Article
语种	英语
国家	USA
收录类别	SCI-E
WOS记录号	WOS:000278544300003
WOS关键词	LACTOBACILLUS-PLANTARUM ; LACTIC-ACID ; MARS ; DEHYDROGENASES ; BACTERIA ; RACEMASE ; GLUCOSE ; SOIL ; RACEMIZATION ; SPECIFICITY
WOS类目	Astronomy & Astrophysics ; Biology ; Geosciences, Multidisciplinary
WOS研究方向	Astronomy & Astrophysics ; Life Sciences & Biomedicine - Other Topics ; Geology
来源机构	Desert Research Institute
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/163313
作者单位	Desert Res Inst, Div Earth & Ecosyst Sci, Las Vegas, NV 89119 USA
推荐引用方式 GB/T 7714	Moazeni, Faegheh,Zhang, Gaosen,Sun, Henry J.. Imperfect Asymmetry of Life: Earth Microbial Communities Prefer D-Lactate but Can Use L-Lactate Also[J]. Desert Research Institute,2010,10(4):397-402.
APA	Moazeni, Faegheh,Zhang, Gaosen,&Sun, Henry J..(2010).Imperfect Asymmetry of Life: Earth Microbial Communities Prefer D-Lactate but Can Use L-Lactate Also.ASTROBIOLOGY,10(4),397-402.
MLA	Moazeni, Faegheh,et al."Imperfect Asymmetry of Life: Earth Microbial Communities Prefer D-Lactate but Can Use L-Lactate Also".ASTROBIOLOGY 10.4(2010):397-402.