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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F12%3A00380697%21RIV13-AV0-61389030
rdf:type
skos:Concept n7:Vysledek
dcterms:description
Bread wheat (Triticum aestivum L.) is one of the most important crops globally and a high priority for genetic improvement, but its large and complex genome has been seen as intractable to whole genome sequencing. Isolation of individual wheat chromosome arms has facilitated large-scale sequence analyses. However, so far there is no such survey of sequences from the A genome of wheat. Greater understanding of an A chromosome could facilitate wheat improvement and future sequencing of the entire genome. We have constructed BAC library from the long arm of T. aestivum chromosome 1A (1AL) and obtained BAC end sequences from 7,470 clones encompassing the arm. We obtained 13,445 (89.99%) useful sequences with a cumulative length of 7.57 Mb, representing 1.43% of 1AL and about 0.14% of the entire A genome. The GC content of the sequences was 44.7%, and 90% of the chromosome was estimated to comprise repeat sequences, while just over 1% encoded expressed genes. From the sequence data, we identified a large number of sites suitable for development of molecular markers (362 SSR and 6,948 ISBP) which will have utility for mapping this chromosome and for marker assisted breeding. From 44 putative ISBP markers tested 23 (52.3%) were found to be useful. The BAC end sequence data also enabled the identification of genes and syntenic blocks specific to chromosome 1AL, suggesting regions of particular functional interest and targets for future research. Bread wheat (Triticum aestivum L.) is one of the most important crops globally and a high priority for genetic improvement, but its large and complex genome has been seen as intractable to whole genome sequencing. Isolation of individual wheat chromosome arms has facilitated large-scale sequence analyses. However, so far there is no such survey of sequences from the A genome of wheat. Greater understanding of an A chromosome could facilitate wheat improvement and future sequencing of the entire genome. We have constructed BAC library from the long arm of T. aestivum chromosome 1A (1AL) and obtained BAC end sequences from 7,470 clones encompassing the arm. We obtained 13,445 (89.99%) useful sequences with a cumulative length of 7.57 Mb, representing 1.43% of 1AL and about 0.14% of the entire A genome. The GC content of the sequences was 44.7%, and 90% of the chromosome was estimated to comprise repeat sequences, while just over 1% encoded expressed genes. From the sequence data, we identified a large number of sites suitable for development of molecular markers (362 SSR and 6,948 ISBP) which will have utility for mapping this chromosome and for marker assisted breeding. From 44 putative ISBP markers tested 23 (52.3%) were found to be useful. The BAC end sequence data also enabled the identification of genes and syntenic blocks specific to chromosome 1AL, suggesting regions of particular functional interest and targets for future research.
dcterms:title
Functional features of a single chromosome arm in wheat (1AL) determined from its structure Functional features of a single chromosome arm in wheat (1AL) determined from its structure
skos:prefLabel
Functional features of a single chromosome arm in wheat (1AL) determined from its structure Functional features of a single chromosome arm in wheat (1AL) determined from its structure
skos:notation
RIV/61389030:_____/12:00380697!RIV13-AV0-61389030
n7:predkladatel
n8:ico%3A61389030
n3:aktivita
n9:Z
n3:aktivity
Z(AV0Z50380511)
n3:cisloPeriodika
1
n3:dodaniDat
n12:2013
n3:domaciTvurceVysledku
n10:5207010 n10:3817016 n10:1800477
n3:druhVysledku
n18:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
137376
n3:idVysledku
RIV/61389030:_____/12:00380697
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Wheat; A genome; BAC end sequencing
n3:klicoveSlovo
n13:Wheat n13:A%20genome n13:BAC%20end%20sequencing
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[BC2D023B4D20]
n3:nazevZdroje
FUNCTIONAL & INTEGRATIVE GENOMICS
n3:obor
n11:EB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
10
n3:rokUplatneniVysledku
n12:2012
n3:svazekPeriodika
12
n3:tvurceVysledku
Bellec, A. Doležel, Jaroslav Lucas, S. J. Berges, H. Cattonaro, F. Šafář, Jan Jurman, I. Vautrin, S. Šimková, Hana Budak, H.
n3:wos
000301834100014
n3:zamer
n5:AV0Z50380511
s:issn
1438-793X
s:numberOfPages
10
n17:doi
10.1007/s10142-011-0250-3