Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5526
pubmed:dateCreated
2001-6-29
pubmed:abstractText
Spirochetes from termite hindguts and freshwater sediments possessed homologs of a nitrogenase gene (nifH) and exhibited nitrogenase activity, a previously unrecognized metabolic capability in spirochetes. Fixation of 15-dinitrogen was demonstrated with termite gut Treponema ZAS-9 and free-living Spirochaeta aurantia. Homologs of nifH were also present in human oral and bovine ruminal treponemes. Results implicate spirochetes in the nitrogen nutrition of termites, whose food is typically low in nitrogen, and in global nitrogen cycling. These results also proffer spirochetes as a likely origin of certain nifHs observed in termite guts and other environments that were not previously attributable to known microbes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0036-8075
pubmed:author
pubmed:issnType
Print
pubmed:day
29
pubmed:volume
292
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2495-8
pubmed:dateRevised
2007-3-19
pubmed:meshHeading
pubmed-meshheading:11431569-Acetylene, pubmed-meshheading:11431569-Animals, pubmed-meshheading:11431569-Cattle, pubmed-meshheading:11431569-Culture Media, pubmed-meshheading:11431569-Digestive System, pubmed-meshheading:11431569-Genes, Bacterial, pubmed-meshheading:11431569-Geologic Sediments, pubmed-meshheading:11431569-Humans, pubmed-meshheading:11431569-Hydrogen, pubmed-meshheading:11431569-Isoptera, pubmed-meshheading:11431569-Nitrogen, pubmed-meshheading:11431569-Nitrogen Fixation, pubmed-meshheading:11431569-Nitrogenase, pubmed-meshheading:11431569-Oxidation-Reduction, pubmed-meshheading:11431569-Oxidoreductases, pubmed-meshheading:11431569-Oxygen, pubmed-meshheading:11431569-Spirochaeta, pubmed-meshheading:11431569-Spirochaetaceae, pubmed-meshheading:11431569-Symbiosis, pubmed-meshheading:11431569-Treponema
pubmed:year
2001
pubmed:articleTitle
Nitrogen fixation by symbiotic and free-living spirochetes.
pubmed:affiliation
Ribosomal Database Project, Center for Microbial Ecology, Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824-1101, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S.