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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14398
|2 doi
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|a pubmed24n0892.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Graham, Sean W
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Plastomes on the edge
|b the evolutionary breakdown of mycoheterotroph plastid genomes
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 16.02.2018
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|a Date Revised 09.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Contents 48 I. 48 II. 50 III. 53 54 References 54 SUMMARY: We examine recent evidence for ratchet-like genome degradation in mycoheterotrophs, plants that obtain nutrition from fungi. Initial loss of the NADH dehydrogenase-like (NDH) complex may often set off an irreversible evolutionary cascade of photosynthetic gene losses. Genes for plastid-encoded subunits of RNA polymerase and photosynthetic enzymes with secondary functions (Rubisco and ATP synthase) can persist initially, with nonsynchronous and quite broad windows in the relative timing of their loss. Delayed losses of five core nonbioenergetic genes (especially trnE and accD, which respectively code for glutamyl tRNA and a subunit of acetyl-CoA carboxylase) probably explain long-term persistence of heterotrophic plastomes. The observed range of changes of mycoheterotroph plastomes is similar to that of holoparasites, although greater diversity of both probably remains to be discovered. These patterns of gene loss/retention can inform research programs on plastome function
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|a Journal Article
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|a Review
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|a comparative genomics
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|a convergent evolution
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|a mixotrophy
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|a mycoheterotrophic plants
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|a photosynthesis genes
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|a plastid function
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| 650 |
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|a plastid translation apparatus
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|a Lam, Vivienne K Y
|e verfasserin
|4 aut
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|a Merckx, Vincent S F T
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 214(2017), 1 vom: 06. Apr., Seite 48-55
|w (DE-627)NLM09818248X
|x 1469-8137
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| 773 |
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|g volume:214
|g year:2017
|g number:1
|g day:06
|g month:04
|g pages:48-55
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|u http://dx.doi.org/10.1111/nph.14398
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