Taxonomic relationships between V. faba and its relatives based on nuclear and mitochondrial RFLPs and PCR analysis

W. T.G. van de Ven, N. Duncan, G. Ramsay, M. Phillips, W. Powell, R. Waugh (Lead / Corresponding author)

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

The taxonomic relationships between 52 accessions of 12 Vicia species and three accessions of Lathyrus were examined using nuclear RFLP- and PCR-generated data. Two hundred and sixty informative restriction fragments or amplification products were analysed by single linkage analysis, average cluster analysis, and the Wagner parsimony method. Dendrograms constructed from each type of analysis showed similar overall topologies and could be divided into three parts corresponding respectively to the Lathyrus outgroup, the species grouped in the section Faba/narbonemis complex, and the species belonging to the sections Hypechusa and Peregrinae. With few exceptions, the majority of accessions belonging to one species grouped together before branching to other species. An analysis of mitochondrial DNA phenotypes was both consistent with and complemented the results from the nuclear data. Overall, the species relationships show a good correlation with the classification of Maxted et al. but suggest that V. faba is more closely aligned to species from the sections Hypechusa and Peregrinae than to those in the narbonensis complex. In addition, the position of two new species, V. kalakhensis and V. eristaloides, as members of the narbonensis complex was supported by the molecular data, which also allowed a preliminary classification for recently collected Vicia accessions.

Original languageEnglish
Pages (from-to)71-80
Number of pages10
JournalTheoretical and Applied Genetics
Volume86
Issue number1
DOIs
Publication statusPublished - 1 Mar 1993

Keywords

  • mtDNA
  • RFLPs
  • Taxonomy
  • Vicia faba

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