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Topic: Hyphomicrobiaceae


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In the News (Mon 7 Dec 09)

  
  Osaka,T
When acetate was used as the carbon source, 16S rRNA gene sequences retrieved from (13)C-labeled DNA were closely related to the 16S rRNA genes of Comamonadaceae (e.g., Comamonas and Acidovorax) and Rhodocyclaceae (e.g., Thauera and Dechloromonas) of the Betaproteobacteria, and Rhodobacteraceae (e.g., Paracoccus and Rhodobacter) of the Alphaproteobacteria.
Rarefaction curves for clones retrieved from (13)C-DNA showed that the diversity levels for methanol-assimilating bacteria were considerably lower than those for acetate-assimilating bacteria.
On the basis of 16S rRNA gene clone libraries retrieved from (13)C-DNA, these unidentified nir sequences might be identified by examining the nir gene in candidates for true denitrifiers (e.g., the families Comamonadaceae, Hyphomicrobiaceae, Methylophilaceae, and Rhodobacteraceae).
lib.bioinfo.pl /auth:Osaka,T   (1939 words)

  
  Penn State Faculty Research Expertise Database (FRED)   (Site not responding. Last check: 2007-10-23)
A genus, in the family HYPHOMICROBIACEAE, comprised of ovoid-shaped bacteria with polar growth and a characteristic vegetative growth cycle.
Cells grow preferably photoheterotrophically under anaerobic conditions in the light, but will also grow under microaerobic or aerobic conditions in the dark.
U.S. National Library of Medicine is the creator, maintainer, and provider of all MeSH 2004 data
fred.hmc.psu.edu /ds/retrieve/fred/meshdescriptor/D020623   (65 words)

  
 Patent 4707454: Fluorescent chlorophyll labeled assay reagents
Chlorobium Chlorophylls, originally named bacterioviridin are found in the green chemoautotrophic sulfur bacteria where they are accompanied by a small amount of Bacteriochlorophyll a.
Bacteriochlorophylls are the principal chlorophylls of chemoautotropic purple sulfur bacteria (Athiorhodaceae, Thiorhodaceae and Hyphomicrobiaceae).
Three chlorophyll entities are known to occur in these organisms: Bacteriochlorophyll a.sub.p, Bacteriochlorophyll a.sub.gg and Bacteriochlorophyll b.
www.freepatentsonline.com /4707454.html   (7396 words)

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