About: Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae).

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About: Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). Goto Sponge NotDistinct Permalink

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	Fifty accessions of 25 Lactuca species, L. serriola L. sativa and Mycelis muralis were analyzed for chromosome number and relative DNA amount variation. In the majority of Lactuca species studied chromosome counts, as earlier reported (n = 8, 9, 17), were verified; however, for L. dregeana and L. homblei (probably L. schweinfurthii or L. longespicata) the chromosome number (n = 9) was determined for the first time. Relative nuclear DNA content, estimated by using flow cytometry (DAPI staining), showed that 2C DNA content ranged from 2.02 pg in L. capensis to 17.96 pg in L. canadensis. Statistical and cluster analysis of data based on relative nuclear DNA contents correspond fairly well with recently accepted taxonomic classification of the genus Lactuca. However, the position of certain species as well as clarification of taxonomic determinations of some Lactuca accessions needs further examination. Fifty accessions of 25 Lactuca species, L. serriola L. sativa and Mycelis muralis were analyzed for chromosome number and relative DNA amount variation. In the majority of Lactuca species studied chromosome counts, as earlier reported (n = 8, 9, 17), were verified; however, for L. dregeana and L. homblei (probably L. schweinfurthii or L. longespicata) the chromosome number (n = 9) was determined for the first time. Relative nuclear DNA content, estimated by using flow cytometry (DAPI staining), showed that 2C DNA content ranged from 2.02 pg in L. capensis to 17.96 pg in L. canadensis. Statistical and cluster analysis of data based on relative nuclear DNA contents correspond fairly well with recently accepted taxonomic classification of the genus Lactuca. However, the position of certain species as well as clarification of taxonomic determinations of some Lactuca accessions needs further examination. (en)
Title	Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). (en)
skos:prefLabel	Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). (en)
skos:notation	RIV/61389030:_____/02:56023044!RIV/2003/AV0/A56003/N
http://linked.open.../vavai/riv/strany	385;397
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA6038204), P(IBS5038104), Z(AV0Z5038910)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Číhalíková, Jarmila
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	668431
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/02:56023044
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Asteraceae; Chromosome number; Flow cytometry (en)
http://linked.open.../riv/klicoveSlovo	Chromosome number Asteraceae Flow cytometry
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[9B5E6016AB4A]
http://linked.open...i/riv/nazevZdroje	Genetic Resources and Crop Evolution
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Construction of banana bacterial artificial chromosome (BAC) library for physical genome mapping Molecular cytogenetic and cytometric methods for breeding of grasses and trifolium
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	49
http://linked.open...iv/tvurceVysledku	Lebeda, A. Čihalíková, Jarmila Janeček, J. Doležalová, I. Křístková, E. Vránová, O.
http://linked.open...n/vavai/riv/zamer	Physiological and genetical bases of plant development, cell cycle, morphogenesis, stress reactions and biotechnologies. Genome organisation and function
issn	0925-9864
number of pages	13 (xsd:int)

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