Analysis of the genus Zea (Poaceae) using polymorphic chloroplast simple sequence repeats

J Provan*, P Lawrence, G Young, F Wright, Robert Bird, GianPaolo Paglia, Frederica Cattonaro, Michele Morgante, W Powell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (SciVal)

Abstract

We have used polymorphic chloroplast simple sequence repeats (cpSSRs) to analyse levels of diversity and relationships within the genus Zea. Between two and nine alleles were found at 15 polymorphic loci and combining the data from these loci gave 32 haplotypes in the 37 accessions studied. Genetic differentiation between the two sections within the genus was calculated using the PST statistic which showed that similar to 70% of the total variation was found to exist between the sections. A phylogenetic analysis based on the delta mu(2) distance metric showed a large split between the two sections and suggested multiple origins of modern cultivated maize Zea mays subsp. mays. The agreement of the phylogenetic tree with other molecular, morphological and karyological studies suggests that cpSSRs may have value in phylogenetic studies in plants.

Original languageEnglish
Pages (from-to)245-256
Number of pages12
JournalPlant Systematics and Evolution
Volume218
Issue number3-4
DOIs
Publication statusPublished - 1999

Keywords

  • Poaceae
  • Zea chloroplast
  • simple sequence repeats
  • diversity
  • MICROSATELLITE LOCI
  • MAIZE INBREDS
  • MUTATIONAL PROCESSES
  • MOLECULAR EVOLUTION
  • GENETIC DIVERSITY
  • RAPD MARKERS
  • RICE ORYZA
  • SSR LOCI
  • MAYS L
  • DNA
  • Diversity
  • Simple sequence repeats

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