title: Physical mapping of rDNA in Dendranthema nankingense and its close related species by fluorescent in situ hybridization.
abstract: Distribution of 18S-26S rDNA on the chromosomes of Dendranthema nankingense and its two close-related species D. nankingense and D. lavendulifolium was studied by fluorescent in situ hybridization with a JHD 2-15A DNA clone. Six rDNA loci were found in D. nankingense, eight in D. lavendulifolium, and twelve in D. indicum. The rDNA loci number and pattern were applied to analyze the phylogenetic relationship of the three closely related species.
authors.affiliation: College of Landscape Architecture, Beijing Forestry University, Beijing 100083, P.R. China.
authors.forename: Wenkui
authors.initials: W
authors.lastname: Wang
authors.forename: Silan
authors.initials: S
authors.lastname: Dai
authors.forename: Maoxue
authors.initials: M
authors.lastname: Li
mesh_terms: D019659:Asteraceae / Q000235:genetics*; D002681:China; D002874:Chromosome Mapping; D018744:DNA, Plant / Q000235:genetics*; D004275:DNA, Ribosomal / Q000235:genetics*; D005819:Genetic Markers; D017404:In Situ Hybridization, Fluorescence / Q000379:methods; D012335:RNA, Ribosomal / Q000235:genetics; D012337:RNA, Ribosomal, 18S / Q000235:genetics; D013045:Species Specificity
chemical_list: D018744:DNA, Plant; D004275:DNA, Ribosomal; D005819:Genetic Markers; D012335:RNA, Ribosomal; D012337:RNA, Ribosomal, 18S; C065096:RNA, ribosomal, 26S