Nuclear ribosomal DNA phylogeny and its implications for evolutionary trends in Mexican Bursera (Burseraceae)

J. X. Becerra, David L Venable

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

The genus Bursera (Burseraceae) is one of the most diversified and abundant groups of plants of the tropical dry forests of Mexico. In order to provide a basis for better understanding of its evolutionary biology, we reconstructed a phylogeny of 57 species and varieties using the nucleotide sequences of the internal transcribed spacer regions (ITS1 and ITS2) of 18S-26S and the 5.8S coding region of nuclear ribosomal DNA. We used four species of the allied genera Commiphora and Boswellia and one species of Spondias (Anacardiaceae) as outgroups. Our results support the views that Bursera is monophyletic and more closely related to Commiphora than to Boswellia. The division of Bursera into sections Bullockia and Bursera is also strongly supported by our phylogeny. Several other subclades also had high bootstrap values, especially within section Bursera. We use the phylogeny as a basis for discussing evolutionary tendencies in bark, leaves, breeding systems, and fruits.

Original languageEnglish (US)
Pages (from-to)1047-1057
Number of pages11
JournalAmerican Journal of Botany
Volume86
Issue number7
StatePublished - 1999

Fingerprint

Bursera
Burseraceae
Phylogeny
Ribosomal DNA
ribosomal DNA
phylogeny
Commiphora
DNA
Boswellia
Anacardiaceae
evolutionary biology
dry forest
reproductive strategy
bark
tropical forest
Spondias
fruit
dry forests
Mexico
tropical forests

Keywords

  • Boswellia
  • Bursera
  • Burseraceae
  • Burseras
  • Commiphora
  • Copal
  • Cuajiotes
  • Evolutionary trends
  • ITS sequences
  • Phylogenetic analysis

ASJC Scopus subject areas

  • Plant Science

Cite this

Nuclear ribosomal DNA phylogeny and its implications for evolutionary trends in Mexican Bursera (Burseraceae). / Becerra, J. X.; Venable, David L.

In: American Journal of Botany, Vol. 86, No. 7, 1999, p. 1047-1057.

Research output: Contribution to journalArticle

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