About: Regressive Evolution of Photosynthesis in the Roseobacter Clade

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The Roseobacter clade constitutes a significant fraction of marine microbial communities. The clade is functionally heterogeneous as it consists of both photoheterotrophic as well as chemoheterotrophic species. Such functional diversity can be explained by two different evolutionary scenarios: (1) the progenitors of the Roseobacter species were originally photoautotrophic, but lost part or all of their photosynthesis genes over time; or (2) they were originally heterotrophs adopting the photosynthesis genes via horizontal gene transfer (HGT). To address these hypotheses, we analysed genomic information from several Roseobacter species and compared it with other phototrophic organisms. The analyses suggest that the photosynthesis genes were not acquired via HGT, but rather that Roseobacter species present in today's oceans descend from ancient phototrophic bacteria, and radiated after the oxygenation of the oceans during the Neoproterozoic era. Later, several Roseobacter lineages lost their photosynthesis genes forming strictly heterotrophic species. The Roseobacter clade constitutes a significant fraction of marine microbial communities. The clade is functionally heterogeneous as it consists of both photoheterotrophic as well as chemoheterotrophic species. Such functional diversity can be explained by two different evolutionary scenarios: (1) the progenitors of the Roseobacter species were originally photoautotrophic, but lost part or all of their photosynthesis genes over time; or (2) they were originally heterotrophs adopting the photosynthesis genes via horizontal gene transfer (HGT). To address these hypotheses, we analysed genomic information from several Roseobacter species and compared it with other phototrophic organisms. The analyses suggest that the photosynthesis genes were not acquired via HGT, but rather that Roseobacter species present in today's oceans descend from ancient phototrophic bacteria, and radiated after the oxygenation of the oceans during the Neoproterozoic era. Later, several Roseobacter lineages lost their photosynthesis genes forming strictly heterotrophic species. (en)
Title	Regressive Evolution of Photosynthesis in the Roseobacter Clade Regressive Evolution of Photosynthesis in the Roseobacter Clade (en)
skos:prefLabel	Regressive Evolution of Photosynthesis in the Roseobacter Clade Regressive Evolution of Photosynthesis in the Roseobacter Clade (en)
skos:notation	RIV/60077344:_____/13:00426188!RIV14-AV0-60077344
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED2.1.00/03.0110), P(GAP501/10/0221), P(GBP501/12/G055)
http://linked.open...iv/cisloPeriodika	2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Oborník, Miroslav Horák, Aleš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	102039
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/13:00426188
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bacteriochlorophyll-a; bacteria; horizontal transfer (en)
http://linked.open.../riv/klicoveSlovo	bacteria bacteriochlorophyll-a horizontal transfer
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[867F3741E2FE]
http://linked.open...i/riv/nazevZdroje	Advances in Botanical Research
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of Algal Biotechnology Třeboň (Algatech) Regressive evolution of photosynthesis in anoxygenic prokaryotes Photosynthesis Research Center
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	66
http://linked.open...iv/tvurceVysledku	Horák, Aleš Oborník, Miroslav Zeng, Y. Koblížek, M.
http://linked.open...ain/vavai/riv/wos	000321592500014
issn	0065-2296
number of pages	21 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/B978-0-12-397923-0.00013-8

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