Plastid origin and evolution

Chan, Cheong Xin and Bhattacharya, Debashish (2011). Plastid origin and evolution. In eLS (pp. 1-8) Chichester, United Kingdom: John Wiley & Sons. doi:10.1002/9780470015902.a0023639

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Author Chan, Cheong Xin
Bhattacharya, Debashish
Title of chapter Plastid origin and evolution
Title of book eLS
Place of Publication Chichester, United Kingdom
Publisher John Wiley & Sons
Publication Year 2011
Sub-type Chapter in reference work, encyclopaedia, manual or handbook
DOI 10.1002/9780470015902.a0023639
Year available 2011
ISBN 9780470015902
Start page 1
End page 8
Total pages 8
Collection year 2012
Language eng
Subjects 0603 Evolutionary Biology
270700 Ecology and Evolution
Formatted Abstract/Summary
Plastids (or chloroplasts in plants) are organelles within which photosynthesis takes place in eukaryotes. The origin of the widespread plastid traces back to a cyanobacterium that was engulfed and retained by a heterotrophic protist through a process termed primary endosymbiosis. Subsequent (serial) events of endosymbiosis, involving red and green algae and potentially other eukaryotes, yielded the so-called ‘complex’ plastids found in photosynthetic taxa such as diatoms, dinoflagellates and euglenids. The field of plastid research also includes nonphotosynthetic organelles (apicoplasts) within the parasitic apicomplexans and the temporary sequestration (‘theft’) of plastids by heterotrophic organisms (kleptoplasty) such as the sea slug Elysia chlorotica. The gain and loss of plastids, and nonlineal gene transfer (associated with endosymbiosis) are key aspects of algal evolution that have decisive impacts on inference of their phylogenetic positions in the tree of life. Deciphering plastid origin therefore provides general insights into the evolution of eukaryote lineages.
Keyword Plastid
Chloroplast
Endosymbiosis
Eukaryote evolution
Photosynthesis
Algae
Plants
Q-Index Code BX
Q-Index Status Confirmed Code
Institutional Status Non-UQ

Document type: Book Chapter
Collections: Non HERDC
Institute for Molecular Bioscience - Publications
 
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Created: Tue, 29 Nov 2011, 20:01:58 EST by Cheong Xin Chan on behalf of Institute for Molecular Bioscience