About: Molecular evidence for polyphyletic origin of the primary symbionts of sucking lice (Phthiraptera, Anoplura)     Goto   Sponge   NotDistinct   Permalink

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Description
  • Pomocí molekulárních dat bylo zjištěno, že symbiotické bakterie vší tvoří polyfyletický soubor několika vzdálených linií, které vznikly několikrát nezávisle v rámci Enterobacteriaceae a přinejmenším jednou ve skupině Legionellaceae. Další nezávislá linie symbiotických bakterií byla nalezena u sesterské skupiny vší Rhynchophthirina. Povaha genu pro 16S rRNA podporuje představu o symbiotické povaze popsaných bakterií: vykazují charakteristiký degenerativní rys v podobě zvýšeného obsahu AT. Výpočet divergenčního času mezi symbionty skupin Anoplura a Rhynchophthirina odpovídá představě jejich nezávislého vzniku. Výsledky této práce naznačují, že bude nutné přehodnotit význam primárních symbiontů pro krevsající členovce. (cs)
  • Based on 16S rDNA analyses, the primary symbionts of sucking lice were found to form a polyphyletic assemblage of several distant lineages that have arisen several times within Enterobacteriaceae and at least once within Legionellaceae. Another independent lineage of endosymbiotic enterobacteria inhabit a sister group of the sucking lice, Rhynchophthirina. The inspection of 16S rDNA supports the symbiotic nature of the investigated bacteria; they display a typical trait of degenerative processes, an increased AT content in comparison with free-living bacteria. The calculation of divergence time between the closest anopluran and rhynchophthirine symbionts further support their independent origin. The results shown here, together with evidence from other groups, indicate that the significance of primary symbionts for blood-feeding insects should be reconsidered.
  • Based on 16S rDNA analyses, the primary symbionts of sucking lice were found to form a polyphyletic assemblage of several distant lineages that have arisen several times within Enterobacteriaceae and at least once within Legionellaceae. Another independent lineage of endosymbiotic enterobacteria inhabit a sister group of the sucking lice, Rhynchophthirina. The inspection of 16S rDNA supports the symbiotic nature of the investigated bacteria; they display a typical trait of degenerative processes, an increased AT content in comparison with free-living bacteria. The calculation of divergence time between the closest anopluran and rhynchophthirine symbionts further support their independent origin. The results shown here, together with evidence from other groups, indicate that the significance of primary symbionts for blood-feeding insects should be reconsidered. (en)
Title
  • Molecular evidence for polyphyletic origin of the primary symbionts of sucking lice (Phthiraptera, Anoplura)
  • Molecular evidence for polyphyletic origin of the primary symbionts of sucking lice (Phthiraptera, Anoplura) (en)
  • Molekulární důkaz polyfyletického původu primárních symbiontů vší (Phthiraptera, Anoplura) (cs)
skos:prefLabel
  • Molecular evidence for polyphyletic origin of the primary symbionts of sucking lice (Phthiraptera, Anoplura)
  • Molecular evidence for polyphyletic origin of the primary symbionts of sucking lice (Phthiraptera, Anoplura) (en)
  • Molekulární důkaz polyfyletického původu primárních symbiontů vší (Phthiraptera, Anoplura) (cs)
skos:notation
  • RIV/60077344:_____/07:00087378!RIV08-AV0-60077344
http://linked.open.../vavai/riv/strany
  • 242;251
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • V, Z(AV0Z60220518)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 434854
http://linked.open...ai/riv/idVysledku
  • RIV/60077344:_____/07:00087378
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Anoplura; endosymbionts; coevolution; molecular phylogeny (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [21D3AA7C8F58]
http://linked.open...i/riv/nazevZdroje
  • Microbial Ecology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 54
http://linked.open...iv/tvurceVysledku
  • Hypša, Václav
  • Křížek, J.
http://linked.open...n/vavai/riv/zamer
issn
  • 0095-3628
number of pages
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