About: Sexual reproduction is the default mode in apomictic Hieracium subgenus Pilosella, in which two dominant loci function to enable apomixis     Goto   Sponge   NotDistinct   Permalink

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  • Mutants of Hieracium subgen. Pilosella that had lost function in one or both dominant loci controlling apomixis (LOA, LOP) were examined to establish their developmental roles during seed formation. Developmental events leading to the completion of meiotic tetrad formation are required for AI cell formation. Sexual initiation may stimulate activity of the LOA locus, which was required for AI cell formation and subsequent suppression of the sexual pathway. AI cells undergo nuclear division to form embryo sacs, in which LOP functions gametophytically to stimulate fertilization independent embryo and endosperm formation. Loss of function in either locus results in partial reversion to sexual reproduction, and loss of function in both loci results in total reversion to sexual reproduction. Thus, sexual reproduction is the default reproductive mode upon which apomixis is superimposed. These loci may function to recruit the sexual machinery at specific time points to enable apomixis.
  • Mutants of Hieracium subgen. Pilosella that had lost function in one or both dominant loci controlling apomixis (LOA, LOP) were examined to establish their developmental roles during seed formation. Developmental events leading to the completion of meiotic tetrad formation are required for AI cell formation. Sexual initiation may stimulate activity of the LOA locus, which was required for AI cell formation and subsequent suppression of the sexual pathway. AI cells undergo nuclear division to form embryo sacs, in which LOP functions gametophytically to stimulate fertilization independent embryo and endosperm formation. Loss of function in either locus results in partial reversion to sexual reproduction, and loss of function in both loci results in total reversion to sexual reproduction. Thus, sexual reproduction is the default reproductive mode upon which apomixis is superimposed. These loci may function to recruit the sexual machinery at specific time points to enable apomixis. (en)
Title
  • Sexual reproduction is the default mode in apomictic Hieracium subgenus Pilosella, in which two dominant loci function to enable apomixis
  • Sexual reproduction is the default mode in apomictic Hieracium subgenus Pilosella, in which two dominant loci function to enable apomixis (en)
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  • Sexual reproduction is the default mode in apomictic Hieracium subgenus Pilosella, in which two dominant loci function to enable apomixis
  • Sexual reproduction is the default mode in apomictic Hieracium subgenus Pilosella, in which two dominant loci function to enable apomixis (en)
skos:notation
  • RIV/67985939:_____/11:00364645!RIV12-AV0-67985939
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z60050516)
http://linked.open...iv/cisloPeriodika
  • 5
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
  • 229051
http://linked.open...ai/riv/idVysledku
  • RIV/67985939:_____/11:00364645
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • apomixis; Hieracium; apospory (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [3288C0BAB7BC]
http://linked.open...i/riv/nazevZdroje
  • Plant Journal
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 66
http://linked.open...iv/tvurceVysledku
  • Fehrer, Judith
  • Bicknell, R. A.
  • Fletcher, P.
  • Hu, Y.
  • Ito, K.
  • Johnson, S. D.
  • Koltunow, A. M. G.
  • Mukai, Y.
  • Okada, T.
  • Rodrigues, J. C. M.
  • Suzuki, G.
  • Tschuchiya, T.
  • Wilson, S.
http://linked.open...ain/vavai/riv/wos
  • 000290952900015
http://linked.open...n/vavai/riv/zamer
issn
  • 0960-7412
number of pages
http://bibframe.org/vocab/doi
  • 10.1111/j.1365-313X.2011.04556.x
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