Evolution of photosynthetic prokaryotes: A maximum-likelihood mapping approach

Jason Raymond, Olga Zhaxybayeva, J. Peter Gogarten, Robert E. Blankenship

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Reconstructing the early evolution of photosynthesis has been guided in part by the geological record, but the complexity and great antiquity of these early events require molecular genetic techniques as the primary tools of inference. Recent genome sequencing efforts have made whole genome data available from representatives of each of the five phyla of bacteria with photosynthetic members, allowing extensive phylogenetic comparisons of these organisms. Here, we have undertaken whole genome comparisons using maximum likelihood to compare 527 unique sets of orthologous genes from all five photosynthetic phyla. Substantiating recent whole genome analyses of other prokaryotes, our results indicate that horizontal gene transfer (HGT) has played a significant part in the evolution of these organisms, resulting in genomes with mosaic evolutionary histories. A small plurality phylogenetic signal was observed, which may be a core of remnant genes not subject to HGT, or may result from a propensity for gene exchange between two or more of the photosynthetic organisms compared.

Original languageEnglish (US)
Pages (from-to)223-230
Number of pages8
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume358
Issue number1429
DOIs
StatePublished - Jan 29 2003

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prokaryote
prokaryotic cells
Maximum likelihood
genome
Genes
Genome
Horizontal Gene Transfer
gene transfer
gene
Gene transfer
phylogenetics
Genetic Techniques
genes
phylogeny
organisms
Photosynthesis
autotrophs
geological record
molecular genetics
Molecular Biology

Keywords

  • Evolution
  • Photosynthetic bacteria
  • Whole genome comparison

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Agricultural and Biological Sciences (miscellaneous)

Cite this

Evolution of photosynthetic prokaryotes : A maximum-likelihood mapping approach. / Raymond, Jason; Zhaxybayeva, Olga; Gogarten, J. Peter; Blankenship, Robert E.

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 358, No. 1429, 29.01.2003, p. 223-230.

Research output: Contribution to journalArticle

Raymond, Jason ; Zhaxybayeva, Olga ; Gogarten, J. Peter ; Blankenship, Robert E. / Evolution of photosynthetic prokaryotes : A maximum-likelihood mapping approach. In: Philosophical Transactions of the Royal Society B: Biological Sciences. 2003 ; Vol. 358, No. 1429. pp. 223-230.
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