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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F14%3A00429985%21RIV15-AV0-61389030
rdf:type
n15:Vysledek skos:Concept
dcterms:description
MicroRNAs (miRNAs) are a class of important biological elements that regulates gene expression by translational repression or transcript degradation both in plants and animals. The origin, distribution and evolution of the miRNA genes have been systematically studied in many model plants, but they are not well understood in wheat. In this study, we have systematically identified the miRNA precursors and mature miRNAs in wheat group 7 chromosomes by computational analysis in the isolated chromosome sequences. A total of 716 precursors belonging to 43 miRNA families were identified, of which 12 miRNAs families (27.91 %) were not reported in wheat. Further analysis found that there were less mature miRNAs but more miRNA precursors distributing on 7D compared to 7A and 7B, suggesting that wheat group 7 homoeologous chromosome eliminated some miRNA precursors with the potential to yield the same miRNA and formed a more precise regulatory network via the two hybridization events. The target genes of all the newly identified miRNAs were also predicted. The results of this study are beneficial to improve our understanding of the distribution of wheat miRNAs and its evolutionary role in polyploidisation. MicroRNAs (miRNAs) are a class of important biological elements that regulates gene expression by translational repression or transcript degradation both in plants and animals. The origin, distribution and evolution of the miRNA genes have been systematically studied in many model plants, but they are not well understood in wheat. In this study, we have systematically identified the miRNA precursors and mature miRNAs in wheat group 7 chromosomes by computational analysis in the isolated chromosome sequences. A total of 716 precursors belonging to 43 miRNA families were identified, of which 12 miRNAs families (27.91 %) were not reported in wheat. Further analysis found that there were less mature miRNAs but more miRNA precursors distributing on 7D compared to 7A and 7B, suggesting that wheat group 7 homoeologous chromosome eliminated some miRNA precursors with the potential to yield the same miRNA and formed a more precise regulatory network via the two hybridization events. The target genes of all the newly identified miRNAs were also predicted. The results of this study are beneficial to improve our understanding of the distribution of wheat miRNAs and its evolutionary role in polyploidisation.
dcterms:title
Computational Identification and Comparative Analysis of miRNAs in Wheat Group 7 Chromosomes Computational Identification and Comparative Analysis of miRNAs in Wheat Group 7 Chromosomes
skos:prefLabel
Computational Identification and Comparative Analysis of miRNAs in Wheat Group 7 Chromosomes Computational Identification and Comparative Analysis of miRNAs in Wheat Group 7 Chromosomes
skos:notation
RIV/61389030:_____/14:00429985!RIV15-AV0-61389030
n5:aktivita
n11:P n11:I
n5:aktivity
I, P(LO1204)
n5:cisloPeriodika
2
n5:dodaniDat
n6:2015
n5:domaciTvurceVysledku
n8:1800477 n8:5207010
n5:druhVysledku
n16:J
n5:duvernostUdaju
n17:S
n5:entitaPredkladatele
n14:predkladatel
n5:idSjednocenehoVysledku
8469
n5:idVysledku
RIV/61389030:_____/14:00429985
n5:jazykVysledku
n9:eng
n5:klicovaSlova
Wheat; miRNA; Group 7 chromosomes
n5:klicoveSlovo
n7:Wheat n7:Group%207%20chromosomes n7:miRNA
n5:kodStatuVydavatele
US - Spojené státy americké
n5:kontrolniKodProRIV
[DCDF686E2CE2]
n5:nazevZdroje
Plant Molecular Biology Reporter
n5:obor
n13:EB
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
17
n5:projekt
n18:LO1204
n5:rokUplatneniVysledku
n6:2014
n5:svazekPeriodika
32
n5:tvurceVysledku
Song, W. Nie, X. Berkman, P. Doležel, Jaroslav Šimková, Hana Deng, P.
n5:wos
000331708500016
s:issn
0735-9640
s:numberOfPages
14
n12:doi
10.1007/s11105-013-0669-x