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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F02%3A56023044%21RIV%2F2003%2FAV0%2FA56003%2FN
rdf:type
n10:Vysledek skos:Concept
dcterms: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.
dcterms: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).
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).
skos:notation
RIV/61389030:_____/02:56023044!RIV/2003/AV0/A56003/N
n4:strany
385;397
n4:aktivita
n12:P n12:Z
n4:aktivity
P(IAA6038204), P(IBS5038104), Z(AV0Z5038910)
n4:cisloPeriodika
4
n4:dodaniDat
n9:2003
n4:domaciTvurceVysledku
n14:9544887
n4:druhVysledku
n13:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n11:predkladatel
n4:idSjednocenehoVysledku
668431
n4:idVysledku
RIV/61389030:_____/02:56023044
n4:jazykVysledku
n6:eng
n4:klicovaSlova
Asteraceae; Chromosome number; Flow cytometry
n4:klicoveSlovo
n5:Asteraceae n5:Chromosome%20number n5:Flow%20cytometry
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[9B5E6016AB4A]
n4:nazevZdroje
Genetic Resources and Crop Evolution
n4:obor
n18:EB
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
6
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:projekt
n8:IBS5038104 n8:IAA6038204
n4:rokUplatneniVysledku
n9:2002
n4:svazekPeriodika
49
n4:tvurceVysledku
Křístková, E. Čihalíková, Jarmila Doležalová, I. Vránová, O. Lebeda, A. Janeček, J.
n4:zamer
n16:AV0Z5038910
s:issn
0925-9864
s:numberOfPages
13