Tribes and clades within apiaceae subfamily apioideae: The contribution of molecular data

S. R. Downie, D. S. Katz-Downie, B. Y. Lee, G. M. Plunkett, M. F. Watson, K. Spalik, C. M. Valiejo-Roman, A. V. Troitsky, E. I. Terentieva, J. Lahham, A. El-Oqlah

Research output: Contribution to journalArticle

Abstract

Phylogenetic analyses of chloroplast gene (rbcL, matK), intron (rpl16, rps16, rpoC1) and nuclear ribosomal DNA internal transcribed spacer (ITS) sequences and chloroplast DNA restriction sites, with supplementary data from variation in size of the chloroplast genome inverted repeat, have been used to elucidate major clades within Apiaceae (Umbelliferae) subfamily Apioideae Drude. This paper summarizes the results of previously published molecular cladistic analyses and presents a provisional classification of the subfamily based on taxonomic congruence among the data sets. Ten tribes (Aciphylleae M. F. Watson & S. R. Downie, Bupleureae Spreng., Careae Baill., Echinophoreae Benth., Heteromorpheae M. F. Watson & S. R. Downie, Oenantheae Dumort., Pleurospermeae M. F. Watson & S. R. Downie, Pyramidoptereae Boiss., Scandiceae Spreng. and Smyrnieae Spreng.) are erected or confirmed as monophyletic, with Scandiceae comprising subtribes Daucinae Dumort., Scandicinae Tausch and Torilidinae Dumort. Seven additional clades are also recognized but have yet to be treated formally, and at least 23 genera examined to date are of dubious tribal or clade placement. The utility of these different molecular markers for phylogenetic inference in Apioideae is compared based on maximum parsimony analyses of subsets of previously published molecular data sets. Of the six loci sequenced, the ITS region is seen to be evolving most rapidly and rbcL is the most conservative. Intermediate in rate of evolution are matK and the three chloroplast introns; with rpl16 and rps16 evolving slightly faster than matK or rpoC1. The analysis of restriction sites, however, provided 2–4 times more parsimony informative characters than any single DNA locus sequenced, with estimates of divergence just slightly lower than that of the ITS region. The trees obtained from separate analyses of these reduced data sets are consistent with regard to the major clades inferred and the relationships among them. Similar phylogenies are obtained by combining data or combining trees, representing the supermatrix and supertree approaches to phylogenetic analysis, respectively. The inferred relationship among the tribes and informally recognized major clades within Apioideae is presented.

Original languageEnglish (US)
Pages (from-to)301-330
Number of pages30
JournalEdinburgh Journal of Botany
Volume58
Issue number2
DOIs
StatePublished - Jan 1 2001

Fingerprint

Apiaceae
chloroplast
phylogeny
internal transcribed spacers
phylogenetics
DNA
introns
chloroplasts
cladistics
loci
chloroplast DNA
genome
ribosomal DNA
divergence
gene
taxonomy
genetic markers
genes
analysis

Keywords

  • Chloroplast intron
  • Umbelliferae
  • internal transcribed spacer
  • molecular systematics
  • nuclear rDNA
  • phylogeny
  • suprageneric classification

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

Cite this

Downie, S. R., Katz-Downie, D. S., Lee, B. Y., Plunkett, G. M., Watson, M. F., Spalik, K., ... El-Oqlah, A. (2001). Tribes and clades within apiaceae subfamily apioideae: The contribution of molecular data. Edinburgh Journal of Botany, 58(2), 301-330. https://doi.org/10.1017/S0960428601000658

Tribes and clades within apiaceae subfamily apioideae : The contribution of molecular data. / Downie, S. R.; Katz-Downie, D. S.; Lee, B. Y.; Plunkett, G. M.; Watson, M. F.; Spalik, K.; Valiejo-Roman, C. M.; Troitsky, A. V.; Terentieva, E. I.; Lahham, J.; El-Oqlah, A.

In: Edinburgh Journal of Botany, Vol. 58, No. 2, 01.01.2001, p. 301-330.

Research output: Contribution to journalArticle

Downie, SR, Katz-Downie, DS, Lee, BY, Plunkett, GM, Watson, MF, Spalik, K, Valiejo-Roman, CM, Troitsky, AV, Terentieva, EI, Lahham, J & El-Oqlah, A 2001, 'Tribes and clades within apiaceae subfamily apioideae: The contribution of molecular data', Edinburgh Journal of Botany, vol. 58, no. 2, pp. 301-330. https://doi.org/10.1017/S0960428601000658
Downie, S. R. ; Katz-Downie, D. S. ; Lee, B. Y. ; Plunkett, G. M. ; Watson, M. F. ; Spalik, K. ; Valiejo-Roman, C. M. ; Troitsky, A. V. ; Terentieva, E. I. ; Lahham, J. ; El-Oqlah, A. / Tribes and clades within apiaceae subfamily apioideae : The contribution of molecular data. In: Edinburgh Journal of Botany. 2001 ; Vol. 58, No. 2. pp. 301-330.
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