Linked Life Data

11583844

Source:http://linkedlifedata.com/resource/pubmed/id/11583844

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2001-10-3
pubmed:databankReference
pubmed:abstractText
Neisseria meningitidis strains A1 and M978 both express the lipooligosaccharide (LOS) L8 immunotype [Gu et al., J. Clin. Microbiol. 30 (1992) 2047-2053]. Under different growth conditions, strain A1 did not change its LOS profile whereas strain M978 produced variable LOS profiles on SDS-PAGE. To understand the genetic basis of LOS conservation and variation, their lgt locus encoding glycosyltransferases responsible for the biosynthesis of the alpha-chain of LOS was analyzed. Strain A1 possessed only two genes, lgtA and lgtH, at the lgt locus. The lgtA gene was inactivated due to a frameshift mutation; thus strain A1 expressed only L8 LOS. In contrast, strain M978 contained five genes lgtZ, lgtC, lgtA, lgtB and lgtE at this locus, thus it had a potential to express L1, L3,7 in addition to the L8 LOS. The data showed that strain A1 is a better reference strain for the L8 immunotype because of the stability of L8 LOS expression resulting from its unique lgt locus. In addition, these two strains had two new genetic organizations, lgtAH and lgtZCABE, compared to the reported gene organization at the lgt locus in N. meningitidis.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0378-1097
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
203
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
173-7
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Genetic analysis of conservation and variation of lipooligosaccharide expression in two L8-immunotype strains of Neisseria meningitidis.
pubmed:affiliation
Division of Bacterial, Parasitic and Allergenic Products, Center for Biologics Evaluation and Research, FDA, 8800 Rockville Pike, Bethesda, MD 20892, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.