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https://hdl.handle.net/2440/27565
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Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Leach, C. | - |
dc.contributor.author | Houben, A. | - |
dc.contributor.author | Field, B. | - |
dc.contributor.author | Pistrick, K. | - |
dc.contributor.author | Demidov, D. | - |
dc.contributor.author | Timmis, J. | - |
dc.date.issued | 2005 | - |
dc.identifier.citation | Genetics: a periodical record of investigations bearing on heredity and variation, 2005; 171(1):269-278 | - |
dc.identifier.issn | 0016-6731 | - |
dc.identifier.issn | 0016-6731 | - |
dc.identifier.uri | http://hdl.handle.net/2440/27565 | - |
dc.description.abstract | Dispensable, supernumerary (B) chromosomes are found in diverse eukaryotic species. The origin and genetic consequences of B chromosomes have been the subjects of speculation for more than a century. Until now, there has been no molecular evidence that B chromosome DNA is transcribed and there is no unequivocal evidence as to their origin. B chromosomes are considered to be genetically inert although they appear to cause a variety of phenotypic effects. We report that members of one of two ribosomal RNA gene families that are confined to the B chromosomes of a plant, Crepis capillaris, are transcribed—thus providing the first molecular evidence of gene activity on B chromosomes. Sequence analysis of part of the A and B chromosome rRNA genes, together with comparisons with related species, indicates that the B chromosome rRNA genes originate from the A chromosome. | - |
dc.description.statementofresponsibility | Carolyn R. Leach, Andreas Houben, Bruce Field, Klaus Pistrick, Dmitri Demidov and Jeremy N. Timmis | - |
dc.language.iso | en | - |
dc.publisher | Genetics | - |
dc.source.uri | http://dx.doi.org/10.1534/genetics.105.043273 | - |
dc.subject | Chromosomes, Plant | - |
dc.subject | Crepis | - |
dc.subject | Flowers | - |
dc.subject | Plant Leaves | - |
dc.subject | Chromosome Aberrations | - |
dc.subject | DNA, Ribosomal Spacer | - |
dc.subject | DNA, Plant | - |
dc.subject | DNA, Ribosomal | - |
dc.subject | RNA, Ribosomal | - |
dc.subject | RNA, Ribosomal, 5.8S | - |
dc.subject | In Situ Hybridization, Fluorescence | - |
dc.subject | Reverse Transcriptase Polymerase Chain Reaction | - |
dc.subject | Sequence Alignment | - |
dc.subject | Sequence Analysis, DNA | - |
dc.subject | Phylogeny | - |
dc.subject | Transcription, Genetic | - |
dc.subject | Gene Expression Regulation, Plant | - |
dc.subject | Base Sequence | - |
dc.subject | Sequence Homology, Nucleic Acid | - |
dc.subject | Molecular Sequence Data | - |
dc.title | Molecular evidence for transcription of genes on a B chromosome in Crepis capillaris | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1534/genetics.105.043273 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 6 Molecular and Biomedical Science publications |
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