About: Computational Identification and Comparative Analysis of miRNAs in Wheat Group 7 Chromosomes

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/61389030:_____/14:00429985!RIV15-AV0-61389030
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LO1204)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Doležel, Jaroslav Šimková, Hana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav experimentální botaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	8469
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/14:00429985
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Wheat; miRNA; Group 7 chromosomes (en)
http://linked.open.../riv/klicoveSlovo	miRNA Wheat Group 7 chromosomes
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[DCDF686E2CE2]
http://linked.open...i/riv/nazevZdroje	Plant Molecular Biology Reporter
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	17 (xsd:int)
http://linked.open...vavai/riv/projekt	Udržitelný rozvoj výzkumu v Centru regionu Haná
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Doležel, Jaroslav Šimková, Hana Nie, X. Song, W. Berkman, P. Deng, P.
http://linked.open...ain/vavai/riv/wos	000331708500016
issn	0735-9640
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11105-013-0669-x

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