Linked Life Data

3225844

Source:http://linkedlifedata.com/resource/pubmed/id/3225844

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1989-4-3
pubmed:abstractText
Cytosine methylation has been studied in wheat rRNA genes at nucleolar organizers displaying different activities. The methylation pattern within a specific multigene locus is influenced by the number and type of rRNA genes in other rDNA loci in the cell. One CCGG site 164 base-pairs upstream from the start of transcription is preferentially unmethylated in some genes. Dominant, very active loci have a higher proportion of rRNA genes with unmethylated cytosine residues in comparison with recessive and inactive loci. It is concluded that cytosine methylation in rDNA is regulated and that the methylation pattern correlates with the transcription potential of an rRNA gene.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0022-2836
pubmed:author
pubmed:issnType
Print
pubmed:day
5
pubmed:volume
204
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
523-34
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Regulation of cytosine methylation in ribosomal DNA and nucleolus organizer expression in wheat.
pubmed:affiliation
Department of Molecular Genetics, AFRC Institute of Plant Science Research, (Cambridge Laboratory), Trumpington, U.K.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't