About: Advanced resources for plant genomics: BAC library specific for the short arm of wheat chromosome 1B     Goto   Sponge   NotDistinct   Permalink

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  • Pšenice obecná (Triticum aestivum L., 2n = 6x = 42) je polyploidní druh, který má jeden z největších genomů mezi zemědělskými plodinami (1C asi 17 000 Mb). Přítomnost tří homeologických genomů (A, B a D) a převaha repetitivní DNA činí sekvenování genomu pšenice nesmírně obtížným. S cílem zjednodušit tento úkol jsme vypracovali novou strategii založenou na využití ramen chromozómů a konstrukci subgenomových knihoven DNA s velkými inzerty. V této studii jsme použili ditelosomickou linii pšenice pro izolaci šesti miliónů kopií krátkého ramene chromozómu 1B (1BS) pomocí průtokové cytometrie. DNA tříděných chromozómů byla částečně štěpena pomocí HindIII a použita pro konstrukci BAC knihovny specifické pro 1BS. Knihovna se sestává z 65280 klonů s průměrnou velikostí inzertu 82kb. Téměř polovina klonů má velikost inzertu větší než 100kb, zatímco 18% inzertů má velikost mezi 75 a 100 kb, a 37% inzertů je kratších než 75 kb. Pokrytí genomu 1BS odhadujeme na 14.5x z čehož vyplývá 99.9% pravděpodobnost naleze... (cs)
  • Common wheat (Triticum aestivum L., 2n = 6x = 42) is a polyploid species possessing one of the largest genomes among the cultivated crops (1C is approximately 17 000 Mb). The presence of three homoeologous genomes (A, B and D), and the prevalence of repetitive DNA make sequencing the wheat genome a daunting task. We have developed a novel ´romosome arm-based´ rategy for wheat genome sequencing to simplify this task; this relies on sub-genomic libraries of large DNA inserts. In this paper, we used a di-telosomic line of wheat to isolate six million copies of the short arm of chromosome 1B (1BS) by flow sorting. Chromosomal DNA was partially digested with HindIII and used to construct an arm-specific BAC library. The library consists of 65 280 clones with an average insert size of 82 kb. Almost half of the library (45%) has inserts larger than 100 kb, while 18% of the inserts range in size between 75 and 100 kb, and 37% are shorter than 75 kb. We estimated the chromosome arm coverage to be 14.5-fold,...
  • Common wheat (Triticum aestivum L., 2n = 6x = 42) is a polyploid species possessing one of the largest genomes among the cultivated crops (1C is approximately 17 000 Mb). The presence of three homoeologous genomes (A, B and D), and the prevalence of repetitive DNA make sequencing the wheat genome a daunting task. We have developed a novel ´romosome arm-based´ rategy for wheat genome sequencing to simplify this task; this relies on sub-genomic libraries of large DNA inserts. In this paper, we used a di-telosomic line of wheat to isolate six million copies of the short arm of chromosome 1B (1BS) by flow sorting. Chromosomal DNA was partially digested with HindIII and used to construct an arm-specific BAC library. The library consists of 65 280 clones with an average insert size of 82 kb. Almost half of the library (45%) has inserts larger than 100 kb, while 18% of the inserts range in size between 75 and 100 kb, and 37% are shorter than 75 kb. We estimated the chromosome arm coverage to be 14.5-fold,... (en)
Title
  • Advanced resources for plant genomics: BAC library specific for the short arm of wheat chromosome 1B
  • Advanced resources for plant genomics: BAC library specific for the short arm of wheat chromosome 1B (en)
  • Vyspělé materiály pro genomiku rostlin: BAC knihovna specifická pro krátké rameno chromozómu 1B pšenice (cs)
skos:prefLabel
  • Advanced resources for plant genomics: BAC library specific for the short arm of wheat chromosome 1B
  • Advanced resources for plant genomics: BAC library specific for the short arm of wheat chromosome 1B (en)
  • Vyspělé materiály pro genomiku rostlin: BAC knihovna specifická pro krátké rameno chromozómu 1B pšenice (cs)
skos:notation
  • RIV/61389030:_____/06:00081792!RIV07-AV0-61389030
http://linked.open.../vavai/riv/strany
  • 977;986
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA521/04/0607), P(GD521/05/H013), P(GP521/05/P257), P(LC06004), Z(AV0Z50380511)
http://linked.open...iv/cisloPeriodika
  • -
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
  • 464240
http://linked.open...ai/riv/idVysledku
  • RIV/61389030:_____/06:00081792
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • wheat; genomics; chromosome sorting (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [1AFCFC429FCD]
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...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 47
http://linked.open...iv/tvurceVysledku
  • Bartoš, Jan
  • Doležel, Jaroslav
  • Hřibová, Eva
  • Suchánková, Pavla
  • Šafář, Jan
  • Číhalíková, Jarmila
  • Šimková, Hana
  • Doleželová, Marie
  • Bernard, M.
  • Sourdille, P.
  • Janda, Jaroslav
  • Kovářová, Pavlína
  • Lukaszewski, A.
  • Chalhoub, B.
  • Faivre-Rampant, P.
  • Pateyron, S.
http://linked.open...n/vavai/riv/zamer
issn
  • 0960-7412
number of pages
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