Molecular Phylogeny of Daucus (Apiaceae)

被引:25
|
作者
Spooner, David [1 ]
Rojas, Percy [1 ]
Bonierbale, Meredith [2 ]
Mueller, Lukas A. [3 ]
Srivastav, Manish [4 ]
Senalik, Douglas [1 ]
Simon, Philipp [1 ]
机构
[1] Univ Wisconsin, USDA, Agr Res Serv, Vegetable Crops Res Unit, Madison, WI 53706 USA
[2] Int Potato Ctr, Lima 12, Peru
[3] Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA
[4] Indian Agr Res Inst, Div Fruits & Hort Technol, New Delhi 110012, India
基金
美国国家科学基金会;
关键词
Carrot; taxonomy; Umbelliferae; GENETIC-VARIABILITY; INTRON SEQUENCES; CARROT; EVOLUTIONARY; REVEALS; CAUCALIDEAE; MARKERS; MODEL;
D O I
10.1600/036364413X670449
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
We studied the phylogeny of 22 accessions of Daunts and seven accessions in related genera, with DNA sequences from eight nuclear orthologs and one plastid (psbA/trnH) region. Maximum parsimony and maximum likelihood analyses of the concatenated data matrix of 7,212 aligned nucleotides provided excellent bootstrap support for many clades. Concordant with prior molecular results Pseudorlaya pumila was firmly imbedded within Daucus, as was Margottia gummifera, a new finding. All accessions of D. capillifolius, D. carota, and D. sahariensis formed a 2n = 18 clade with all other species within the Daucus clade with chromosome numbers of = 20, 22, and 44 (D. glochidiatus). Sister to the D. carota clade was a clade containing Margottia gummifera and Pseudorlaya pumila, sister to these species was D. crinitus, sister to all the above was D. muricatus, and sister to all of the above was a clade containing the remaining Daucus species. Bayesian analyses of individual regions analyzed separately and averaged over multiple trees with *BEAST software (a coalescent approach), however, provided a phylogeny at variance with the concatenated approach, most notably in firmly imbedding Turgenia latifolia within Daucus.
引用
收藏
页码:850 / 857
页数:8
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