title: Association between chloroplast DNA and mitochondrial DNA haplotypes in Prunus spinosa L. (Rosaceae) populations across Europe.
abstract: Chloroplast DNA (cpDNA) and mitochondrial DNA (mtDNA) were studied in 24 populations of Prunus spinosa sampled across Europe. The cpDNA and mtDNA fragments were amplified using universal primers and subsequently digested with restriction enzymes to obtain the polymorphisms. Combinations of all the polymorphisms resulted in 33 cpDNA haplotypes and two mtDNA haplotypes. Strict association between the cpDNA haplotypes and the mtDNA haplotypes was detected in most cases, indicating conjoint inheritance of the two genomes. The most frequent and abundant cpDNA haplotype (C20; frequency, 51 %) is always associated with the more frequent and abundant mtDNA haplotype (M1; frequency, 84 %). All but two of the cpDNA haplotypes associated with the less frequent mtDNA haplotype (M2) are private haplotypes. These private haplotypes are phylogenetically related but geographically unrelated. They form a separate cluster on the minimum-length spanning tree.
authors.affiliation: Departamento de Biología Vegetal, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid, Ciudad Universitaria, 28040 Madrid, Spain.
authors.forename: Aparajita
authors.initials: A
authors.lastname: Mohanty
authors.forename: Juan Pedro
authors.initials: JP
authors.lastname: Martín
authors.forename: Luis Miguel
authors.initials: LM
authors.lastname: González
authors.forename: Itziar
authors.initials: I
authors.lastname: Aguinagalde
mesh_terms: D002736:Chloroplasts / Q000235:genetics*; D017931:DNA Primers; D004272:DNA, Mitochondrial / Q000235:genetics* / Q000302:isolation & purification; D018744:DNA, Plant / Q000235:genetics* / Q000302:isolation & purification; D005060:Europe; D006239:Haplotypes; D010802:Phylogeny; D027861:Prunus / Q000145:classification* / Q000235:genetics*; D014197:Trees / Q000145:classification / Q000235:genetics
chemical_list: D017931:DNA Primers; D004272:DNA, Mitochondrial; D018744:DNA, Plant