UNSPECIFIED (2005) Stable isotope probing of nucleic acids in methanotrophs and methylotrophs: A review. In: Goldschmidt Geochemistry Conference, Kurashiki, JAPAN, 2003. Published in: ORGANIC GEOCHEMISTRY, 36 (5). pp. 779-787. ISSN 0146-6380. doi:10.1016/j.orggeochem.2005.01.005

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Abstract

Stable isotope probing (SIP) is a method which attempts to link an organism's identity with its biological function under conditions approaching those in situ. Addition of C-13 labelled substrate to an environmental sample results in C-13 labelling of actively dividing bacteria when the C-13 labelled substrate is used as a carbon source. The microorganism's DNA therefore becomes heavier and can be separated by CsCI density gradient centrifugation from C-12 DNA of bacteria which have not assimilated labelled substrate. SIP has been applied to study the functionally active methanotroph population in peat soil, acidic forest soil, cave water and soda lake sediments. Studies have analysed both phylogenetic (16S rRNA) and functional (pmoA, mmoX and mxaF) genes to determine methanotroph diversity. These studies are reviewed here and the advantages and limitations of the SIP technique are discussed. (C) 2005 Elsevier Ltd. All rights reserved.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QE Geology
Journal or Publication Title:	ORGANIC GEOCHEMISTRY
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
ISSN:	0146-6380
Official Date:	2005
Dates:	Date Event 2005 UNSPECIFIED
Volume:	36
Number:	5
Number of Pages:	9
Page Range:	pp. 779-787
DOI:	10.1016/j.orggeochem.2005.01.005
Publication Status:	Published
Title of Event:	Goldschmidt Geochemistry Conference
Location of Event:	Kurashiki, JAPAN
Date(s) of Event:	2003

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