B chromosomes of Puschkinia libanotica are characterized by a reduced level of euchromatic histone H3 methylation marks

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dc.contributor.author Kumke, K.
dc.contributor.author Jones, R. Neil
dc.contributor.author Houben, Andreas
dc.date.accessioned 2009-05-21T13:04:43Z
dc.date.available 2009-05-21T13:04:43Z
dc.date.issued 2008-08-01
dc.identifier.citation Kumke , K , Jones , R N & Houben , A 2008 , ' B chromosomes of Puschkinia libanotica are characterized by a reduced level of euchromatic histone H3 methylation marks ' Cytogenetic and Genome Research , vol 121 , no. 3-4 , pp. 266-270 . , 10.1159/000138895 , 10.1159/000138895 en
dc.identifier.issn 1424-859X
dc.identifier.other PURE: 103177
dc.identifier.other dspace: 2160/2338
dc.identifier.uri http://hdl.handle.net/2160/2338
dc.description Kumke, K., Jones, R. N., Houben, A. (2008). B chromosomes of Puschkinia libanotica are characterized by a reduced level of euchromatic histone H3 methylation marks.  Cytogenetic and Genome Research, 21, (3-4), 266-270. IMPF: 01.96 RONO: 00 Sponsorship: DFG (HO1179/10-1) en
dc.description.abstract Epigenetic marks in the chromosome complement of the liliaceous plant Puschkinia libanotica were studied using immunofluorescence to detect histone modifications. In particular, a comparison was made between the euchromatic and heterochromatic components of supernumerary B chromosomes (Bs) relative to the A chromosomes of the basic diploid set, in order to provide further insights into the enigmatic properties of these 'genetically silent' Bs. No differences were found between A and B chromosomes for the heterochromatic dimethylation marks of histone H3 at lysine positions 9 and 27. However, distinctions between A and B chromosomes were revealed for the euchromatic di- and trimethylation marks of histone H3 at lysine 4. The results indicate that the less-transcriptionally active Bs are not marked by an enriched level of heterochromatic histone marks, but rather by a low level of euchromatin-associated histone modifications. en
dc.format.extent 5 en
dc.language.iso eng
dc.relation.ispartof Cytogenetic and Genome Research en
dc.title B chromosomes of Puschkinia libanotica are characterized by a reduced level of euchromatic histone H3 methylation marks en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1159/000138895
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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