Living nanovesicles-chemical and physical survival strategies of primordial biosystems

被引：29

作者：

Sommer, AP ^{[1
]}

McKay, DS

Ciftcioglu, N

Oron, U

Mester, AR

Kajander, EO

机构：

[1] Univ Ulm, Cent Inst Biomed Engn, D-89081 Ulm, Germany

[2] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA

[3] NASA, Lyndon B Johnson Space Ctr, Univ Space Res Assoc, Houston, TX 77058 USA

[4] Tel Aviv Univ, Dept Zool, Fac Life Sci, IL-69978 Tel Aviv, Israel

[5] Semmelweis Univ, Dept Radiol & Oncotherapy, H-1082 Budapest, Hungary

[6] Univ Kuopio, Dept Biochem, FIN-70211 Kuopio, Finland

来源：

JOURNAL OF PROTEOME RESEARCH | 2003年 / 2卷 / 04期

关键词：

nanobacteria; nannobacteria; nanovesicles; extremophiles; origin of life models;

D O I：

10.1021/pr034005h

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Life on Earth and Mars could have started with self-assembled nanovesicles similar to the present nanobacteria (NB). To resist extreme environmental stress situations and periods of nutritional deprivation, nanovesicles would have had a chemical composition protected by a closed mineralized compartment, facilitating their development in a primordial soup, or other early wet environment. Their survivability would have been enhanced if they had mechanisms for metabolic communication, and an ability to collect primordially available energy forms. Here, we establish an irreducible model system for life formation starting with NB.

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收藏

页码：441 / 443

页数：3

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