About: Chromosome pairing of individual genomes in tall fescue (Festuca arundinacea Schreb.), its progenitors, and hybrids with Italian ryegrass (Lolium multiflorum Lam.)

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About: Chromosome pairing of individual genomes in tall fescue (Festuca arundinacea Schreb.), its progenitors, and hybrids with Italian ryegrass (Lolium multiflorum Lam.) Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A diploid-like pairing system prevents meiotic irregularities and improves the efficiency of gamete production in allo-polyploid species. While the nature of the system is known in some polyploid crops including wheat, little is known about the control of chromosome pairing in polyploid fescues (Festuca spp.). In this work we studied chromosome pairing in allohexaploid F. arundinacea, its progenitors F. pratensis and F. glaucescens, and two intergeneric hybrids Lolium multiflorum (2x) x F. arundinacea (6x) and L. multiflorum (4x) x F. glaucescens (4x). The use of genomic in situ hybridization (GISH) permitted the analysis of homoeologous chromosome pairing and recombination of different genomes involved. We detected a diploid-like pairing system in polyploid fescues F. arundinacea and F. glaucescens, the latter being one of the progenitors of F. arundinacea. The pairing control system was absent in the second progenitor F. pratensis. A diploid-like pairing system prevents meiotic irregularities and improves the efficiency of gamete production in allo-polyploid species. While the nature of the system is known in some polyploid crops including wheat, little is known about the control of chromosome pairing in polyploid fescues (Festuca spp.). In this work we studied chromosome pairing in allohexaploid F. arundinacea, its progenitors F. pratensis and F. glaucescens, and two intergeneric hybrids Lolium multiflorum (2x) x F. arundinacea (6x) and L. multiflorum (4x) x F. glaucescens (4x). The use of genomic in situ hybridization (GISH) permitted the analysis of homoeologous chromosome pairing and recombination of different genomes involved. We detected a diploid-like pairing system in polyploid fescues F. arundinacea and F. glaucescens, the latter being one of the progenitors of F. arundinacea. The pairing control system was absent in the second progenitor F. pratensis. (en)
Title	Chromosome pairing of individual genomes in tall fescue (Festuca arundinacea Schreb.), its progenitors, and hybrids with Italian ryegrass (Lolium multiflorum Lam.) Chromosome pairing of individual genomes in tall fescue (Festuca arundinacea Schreb.), its progenitors, and hybrids with Italian ryegrass (Lolium multiflorum Lam.) (en)
skos:prefLabel	Chromosome pairing of individual genomes in tall fescue (Festuca arundinacea Schreb.), its progenitors, and hybrids with Italian ryegrass (Lolium multiflorum Lam.) Chromosome pairing of individual genomes in tall fescue (Festuca arundinacea Schreb.), its progenitors, and hybrids with Italian ryegrass (Lolium multiflorum Lam.) (en)
skos:notation	RIV/61389030:_____/09:00335910!RIV10-AV0-61389030
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP521/07/P479), Z(AV0Z50380511)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bartoš, Jan Doležel, Jaroslav Kopecký, Martin
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	307047
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/09:00335910
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	IN-SITU-HYBRIDIZATION; GENETIC-CONTROL; VAR. GLAUCESCENS (en)
http://linked.open.../riv/klicoveSlovo	GENETIC-CONTROL IN-SITU-HYBRIDIZATION VAR. GLAUCESCENS
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[53A4332B5B16]
http://linked.open...i/riv/nazevZdroje	Cytogenetics and Genome Research
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Cytogenetic mapping of genome of meadow fescue (Festuca pratensis Huds.)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	124
http://linked.open...iv/tvurceVysledku	Bartoš, Jan Doležel, Jaroslav Kopecký, David Zwierzykowski, Z.
http://linked.open...ain/vavai/riv/wos	000265863900009
http://linked.open...n/vavai/riv/zamer	Mechanismy regulace růstu a vývoje rostlin na úrovni buněk, orgánů a celých organismů: fyziologické, genetické a molekulárně biologické základy
issn	1424-8581
number of pages	9 (xsd:int)

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