The evolution of the plastid chromosome in land plants

Gene content, gene order, gene function

Susann Wicke, Gerald M. Schneeweiss, Claude Walker Depamphilis, Kai F. Müller, Dietmar Quandt

Research output: Contribution to journalReview article

331 Citations (Scopus)

Abstract

This review bridges functional and evolutionary aspects of plastid chromosome architecture in land plants and their putative ancestors. We provide an overview on the structure and composition of the plastid genome of land plants as well as the functions of its genes in an explicit phylogenetic and evolutionary context. We will discuss the architecture of land plant plastid chromosomes, including gene content and synteny across land plants. Moreover, we will explore the functions and roles of plastid encoded genes in metabolism and their evolutionary importance regarding gene retention and conservation. We suggest that the slow mode at which the plastome typically evolves is likely to be influenced by a combination of different molecular mechanisms. These include the organization of plastid genes in operons, the usually uniparental mode of plastid inheritance, the activity of highly effective repair mechanisms as well as the rarity of plastid fusion. Nevertheless, structurally rearranged plastomes can be found in several unrelated lineages (e. g. ferns, Pinaceae, multiple angiosperm families). Rearrangements and gene losses seem to correlate with an unusual mode of plastid transmission, abundance of repeats, or a heterotrophic lifestyle (parasites or myco-heterotrophs). While only a few functional gene gains and more frequent gene losses have been inferred for land plants, the plastid Ndh complex is one example of multiple independent gene losses and will be discussed in detail. Patterns of ndh-gene loss and functional analyses indicate that these losses are usually found in plant groups with a certain degree of heterotrophy, might rendering plastid encoded Ndh1 subunits dispensable.

Original languageEnglish (US)
Pages (from-to)273-297
Number of pages25
JournalPlant molecular biology
Volume76
Issue number3-5
DOIs
StatePublished - Jul 1 2011

Fingerprint

Embryophyta
Plant Genes
Plastids
Gene Order
embryophytes
plastids
Chromosomes
chromosomes
Genes
genes
Pinaceae
Plant Chromosomes
Heterotrophic Processes
Plastid Genomes
Ferns
Synteny
Angiosperms
Gene Rearrangement
heterotrophs
Operon

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Genetics
  • Plant Science

Cite this

Wicke, Susann ; Schneeweiss, Gerald M. ; Depamphilis, Claude Walker ; Müller, Kai F. ; Quandt, Dietmar. / The evolution of the plastid chromosome in land plants : Gene content, gene order, gene function. In: Plant molecular biology. 2011 ; Vol. 76, No. 3-5. pp. 273-297.
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The evolution of the plastid chromosome in land plants : Gene content, gene order, gene function. / Wicke, Susann; Schneeweiss, Gerald M.; Depamphilis, Claude Walker; Müller, Kai F.; Quandt, Dietmar.

In: Plant molecular biology, Vol. 76, No. 3-5, 01.07.2011, p. 273-297.

Research output: Contribution to journalReview article

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