{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["112(3)"],"submitter":["Marques A"],"pubmed_abstract":["<h4>Background and aims</h4>Supernumerary B chromosomes (Bs) represent a specific type of selfish genetic element. As Bs are dispensable for normal growth, it is expected to observe B polymorphisms among populations. To address whether Bs maintained in geographically distinct populations of cultivated and weedy rye are polymorphic, the distribution patterns and the transcriptional activity of different B-located repeats were analysed.<h4>Methods</h4>Bs of cultivated and weedy rye from seven origins were analysed by fluorescence in situ hybridization (FISH) with probes specific for the pericentromeric and interstitial regions as well as the B-specific non-disjunction control region. The DNA replication, chromatin composition and transcription behaviour of the non-disjunction regions were de"],"journal":["Annals of botany"],"pagination":["527-34"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3718213"],"repository":["biostudies-literature"],"pubmed_title":["B chromosomes of rye are highly conserved and accompanied the development of early agriculture."],"pmcid":["PMC3718213"],"pubmed_authors":["Marques A","Klemme S","Guerra M","Niwa K","Blattner FR","Houben A","Banaei-Moghaddam AM"],"additional_accession":[]},"is_claimable":false,"name":"B chromosomes of rye are highly conserved and accompanied the development of early agriculture.","description":"<h4>Background and aims</h4>Supernumerary B chromosomes (Bs) represent a specific type of selfish genetic element. As Bs are dispensable for normal growth, it is expected to observe B polymorphisms among populations. To address whether Bs maintained in geographically distinct populations of cultivated and weedy rye are polymorphic, the distribution patterns and the transcriptional activity of different B-located repeats were analysed.<h4>Methods</h4>Bs of cultivated and weedy rye from seven origins were analysed by fluorescence in situ hybridization (FISH) with probes specific for the pericentromeric and interstitial regions as well as the B-specific non-disjunction control region. The DNA replication, chromatin composition and transcription behaviour of the non-disjunction regions were de","dates":{"release":"2013-01-01T00:00:00Z","publication":"2013 Aug","modification":"2026-07-15T11:26:39.198Z","creation":"2019-03-27T01:13:26Z"},"accession":"S-EPMC3718213","cross_references":{"pubmed":["23739836"],"doi":["10.1093/aob/mct121"]}}