Diversity of uncultured microorganisms associated with the seagrass Halophila stipulacea estimated by restriction fragment length polymorphism analysis of PCR-amplified 16S rRNA genes

Article Abstract:

PCR-amplified and cloned 16S rDNA fragments from natural microbial communities were analyzed by a modified ARDRA method used to differentiate phylotypes in the 16S rDNA library. The sequenced clones were found to be affiliated with both a marine snow-associated plastid-like rRNA clone and a marine Hyphomonas strain. The approach showed potential for the analysis of natural microbial communities without cultivation.

Microorganisms, Microbial populations

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Transcriptome-based identification of the Sinorhizobium meliloti NodD1 regulon

Article Abstract:

The NodD1 regulon of Sinorhizobium meliloti was determined through the analysis of the S. meliloti transcriptome in response to the plant flavone luteolin and the overexpression of nodD1. The results demonstrate that NodD1 controls few functions behind nodulation in S. meliloti.

Science & research, Genetic aspects, Genetic transcription, Transcription (Genetics), Rhizobium meliloti

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