Article (Scientific journals)
Discrimination of shifts in a soil microbial community assosciated with TNT-contamination using a functional ANOVA of 16S rRNA hybridized to oligonucleotide microarrays
Eyers, Laurent; Smoot, James C.; Smoot, Laura M. et al.
2006In Environmental Science and Technology, 40, p. 5867-5873
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Abstract :
[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.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Eyers, Laurent;  University o Louvain > Unit of Bioengineering and Institute of Statistics
Smoot, James C.
Smoot, Laura M.
Bugli, Céline
Urakawa, Hidetoshi
McMurry, Zack
Siripong, Slil
El Fantroussi, Said
Lambert, Philippe  ;  Université de Liège - ULiège > Institut des sciences humaines et sociales > Méthodes quantitatives en sciences sociales
Agathos, Spiros N.
Stahl, David A.
Language :
English
Title :
Discrimination of shifts in a soil microbial community assosciated with TNT-contamination using a functional ANOVA of 16S rRNA hybridized to oligonucleotide microarrays
Publication date :
2006
Journal title :
Environmental Science and Technology
ISSN :
0013-936X
eISSN :
1520-5851
Publisher :
American Chemical Society, Washington, United States - District of Columbia
Volume :
40
Pages :
5867-5873
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 29 September 2009

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