Reference : Discrimination of shifts in a soil microbial community assosciated with TNT-contamina...
Scientific journals : Article
Life sciences : Environmental sciences & ecology
http://hdl.handle.net/2268/24453
Discrimination of shifts in a soil microbial community assosciated with TNT-contamination using a functional ANOVA of 16S rRNA hybridized to oligonucleotide microarrays
English
Eyers [ > > ]
Smoot, J. C. [ > > ]
Smoot, L. M. [ > > ]
Bugli, Céline [ > > ]
Urakawa, H. [ > > ]
McMurry, Z. [ > > ]
Siripong, S. [ > > ]
El Fantroussi, S. [ > > ]
Lambert, Philippe mailto [Université de Liège - ULg > Institut des sciences humaines et sociales > Méthodes quantitatives en sciences sociales >]
Agathos, S. N. [ > > ]
Stahl, D. A. [ > > ]
2006
Environmental Science & Technology
American Chemical Society
40
5867-5873
Yes (verified by ORBi)
International
0013-936X
Washington
DC
[en] A functional ANOVA analysis of the thermal dissociation
of RNA hybridized to DNA microarrays was used to
improve discrimination between two soil microbial
communities. Following hybridization of in vitro transcribed
16S rRNA derived from uncontaminated and 2,4,6-
trinitrotoluene contaminated soils to an oligonucleotide
microarray containing group- and species-specific perfect
match (PM) probes and mismatch (MM) variants, thermal
dissociation was used to analyze the nucleic acid bound to
each PM-MM probe set. Functional ANOVA of the
dissociation curves generally discriminated PM-MM probe
sets when Td values (temperature at 50% probe-target
dissociation) could not. Maximum discrimination for many
PM and MM probes often occurred at temperatures
greater than theTd. Comparison of signal intensities measured
prior to dissociation analysis from hybridizations of the
two soil samples revealed significant differences in domain-,
group-, and species-specific probes. Functional ANOVA
showed significantly different dissociation curves for 11 PM
probes when hybridizations from the two soil samples
were compared, even though initial signal intensities for 3
of the 11 did not vary.
http://hdl.handle.net/2268/24453
10.1021/es0609093

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