RNA fingerprinting of microbial community in the rhizosphere soil of grain legumes
FEMS microbiology letters, 2004•academic.oup.com
Microbial structural and expression profiles of the rhizospheres of three legumes, faba
beans, peas and white lupin, were compared by RNA-arbitrarily primed PCR technique. Two
different primers, M13 reverse and 10-mer primers, were used in the amplification and
products resolved on non-denaturing polyacrylamide gel. With both DNA and RNA profiles
Lupinus and Pisum rhizospheres were more similar to each other than to Vicia rhizosphere.
The RAP-PCR products were also dot blotted and probed for bacterial peptidase transcripts …
beans, peas and white lupin, were compared by RNA-arbitrarily primed PCR technique. Two
different primers, M13 reverse and 10-mer primers, were used in the amplification and
products resolved on non-denaturing polyacrylamide gel. With both DNA and RNA profiles
Lupinus and Pisum rhizospheres were more similar to each other than to Vicia rhizosphere.
The RAP-PCR products were also dot blotted and probed for bacterial peptidase transcripts …
Abstract
Microbial structural and expression profiles of the rhizospheres of three legumes, faba beans, peas and white lupin, were compared by RNA-arbitrarily primed PCR technique. Two different primers, M13 reverse and 10-mer primers, were used in the amplification and products resolved on non-denaturing polyacrylamide gel. With both DNA and RNA profiles Lupinus and Pisum rhizospheres were more similar to each other than to Vicia rhizosphere. The RAP-PCR products were also dot blotted and probed for bacterial peptidase transcripts. Plant-dependent rhizosphere effect was evident by the marked absence of transcripts for bacterial neutral metallopeptidase in Lupinus rhizosphere. The results of dot blot were further confirmed by RT-PCR for the expression of bacterial neutral metallopeptidase in the three rhizospheres.
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