期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 38, 期 4, 页码 502-509出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2010.05.005
关键词
Allium roseum; Alliaceae; Chloroplastic DNA; Haplotypes; Genetic divergence
资金
- Spanish Agency of International Cooperation
- Tunisian-Spanish Cooperation Project [A/9993/07]
Allium roseum (Alliaceae) is an important medicinal and aromatic plant in the flora of Tunisia It is widespread in southern Tunisia where it is commonly used as a therapeutic agent However its existence is seriously threatened because of over-collection In the present study we examined patterns of chloroplast DNA (cpDNA) variations in 24 populations The sample included 75 individuals in which three cpDNA fragments were sequenced (rpL32-trnL and rps4-trnT intergenic spacers and non-coding region psbM-trnD(GUC)) We found nine haplotypes based on seven polymorphic sites and one insertion/deletion which showed low haplotype and nucleotide diversity (Hd = 0 316 pi = 0 00016) The ancestral haplotype (cpA) was found to be widely distributed Neither phylogeographical structures of haplotypes nor isolation by distance were present (C) 2010 Elsevier Ltd All rights reserved
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