About: Contrasting Patterns of Transposable Element and Satellite Distribution on Sex Chromosomes (XY1Y2) in the Dioecious Plant Rumex acetosa     Goto   Sponge   NotDistinct   Permalink

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  • Rumex acetosa is a dioecious plant with the XY1Y2 sex chromosome system. Both Y chromosomes are heterochromatic and are thought to be degenerated. We performed low-pass 454 sequencing and similarity-based clustering of male and female genomic 454 reads to identify and characterize major groups of R. acetosa repetitive DNA. We found that Copia and Gypsy retrotransposons dominated, followed by DNA transposons and nonlong terminal repeat retrotransposons. CRM and Tat/Ogre retrotransposons dominated the Gypsy superfamily, whereas Maximus/Sireviruses were most abundant among Copia retrotransposons. Only one Gypsy subfamily had accumulated on Y-1 and Y-2 chromosomes, whereas many retrotransposons were ubiquitous on autosomes and the X chromosome, but absent on Y-1 and Y-2 chromosomes, and others were depleted from the X chromosome. One group of CRM Gypsy was specifically localized to centromeres. We also found that majority of previously described satellites (RAYSI, RAYSII, RAYSIII, and RAE180) are accumulated on the Y chromosomes where we identified Y chromosome-specific variant of RAE180.
  • Rumex acetosa is a dioecious plant with the XY1Y2 sex chromosome system. Both Y chromosomes are heterochromatic and are thought to be degenerated. We performed low-pass 454 sequencing and similarity-based clustering of male and female genomic 454 reads to identify and characterize major groups of R. acetosa repetitive DNA. We found that Copia and Gypsy retrotransposons dominated, followed by DNA transposons and nonlong terminal repeat retrotransposons. CRM and Tat/Ogre retrotransposons dominated the Gypsy superfamily, whereas Maximus/Sireviruses were most abundant among Copia retrotransposons. Only one Gypsy subfamily had accumulated on Y-1 and Y-2 chromosomes, whereas many retrotransposons were ubiquitous on autosomes and the X chromosome, but absent on Y-1 and Y-2 chromosomes, and others were depleted from the X chromosome. One group of CRM Gypsy was specifically localized to centromeres. We also found that majority of previously described satellites (RAYSI, RAYSII, RAYSIII, and RAE180) are accumulated on the Y chromosomes where we identified Y chromosome-specific variant of RAE180. (en)
Title
  • Contrasting Patterns of Transposable Element and Satellite Distribution on Sex Chromosomes (XY1Y2) in the Dioecious Plant Rumex acetosa
  • Contrasting Patterns of Transposable Element and Satellite Distribution on Sex Chromosomes (XY1Y2) in the Dioecious Plant Rumex acetosa (en)
skos:prefLabel
  • Contrasting Patterns of Transposable Element and Satellite Distribution on Sex Chromosomes (XY1Y2) in the Dioecious Plant Rumex acetosa
  • Contrasting Patterns of Transposable Element and Satellite Distribution on Sex Chromosomes (XY1Y2) in the Dioecious Plant Rumex acetosa (en)
skos:notation
  • RIV/60077344:_____/13:00394950!RIV14-AV0-60077344
http://linked.open...avai/riv/aktivita
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  • I, P(ED1.1.00/02.0068), P(EE2.3.20.0045), P(GAP305/10/0930), P(GAP501/10/0102), P(GAP501/12/2220), Z(AV0Z50040702)
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  • 4
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  • 66913
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  • RIV/60077344:_____/13:00394950
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Y-CHROMOSOME; REPETITIVE SEQUENCES; SILENE-LATIFOLIA (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [20E28F2DB04A]
http://linked.open...i/riv/nazevZdroje
  • Genome Biology and Evolution
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  • 5
http://linked.open...iv/tvurceVysledku
  • Kejnovský, Eduard
  • Macas, Jiří
  • Novák, Petr
  • Vogel, Ivan
  • Vyskot, Boris
  • Hobza, Roman
  • Lexa, M.
  • Tokan, Viktor
  • Šteflová, Pavlína
http://linked.open...ain/vavai/riv/wos
  • 000318557200013
http://linked.open...n/vavai/riv/zamer
issn
  • 1759-6653
number of pages
http://bibframe.org/vocab/doi
  • 10.1093/gbe/evt049
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