PMID- 18215246
OWN - NLM
STAT- MEDLINE
DCOM- 20080307
LR  - 20240109
IS  - 1601-5223 (Electronic)
IS  - 0018-0661 (Linking)
VI  - 144
IP  - 6
DP  - 2007 Dec
TI  - Chromosomal study of lettuce and its allied species (Lactuca spp., Asteraceae) by 
      means of karyotype analysis and fluorescence in situ hybridization.
PG  - 235-43
LID - 10.1111/j.2007.0018-0661.02012x [doi]
AB  - In this study, in addition to the karyotype analysis, the chromosomal 
      distributions of 5 S and 18 S rDNAs, and the Arabidopsis-type (T3AG3) telomeric 
      sequences were detected by means of fluorescence in situ hybridization (FISH) to 
      promote the information of chromosomal organization and evolution in the 
      cultivated lettuce and its wild relatives, L. sativa, L. serriola, L. saligna and 
      L. virosa. The karyotype analysis revealed the dissimilarity between L. virosa 
      and the remaining species. In all four Lactuca species studied, one 5 S rDNA and 
      two 18 S rDNA loci were detected. The simultaneous FISH of 5 S and 18 S rDNAs 
      revealed that both rDNA loci of L. sativa, L. serriola and L. saligna were 
      identical, however, that of L. virosa was different from the other species. These 
      analyses indicate the closer relationships between L. sativa/L. serriola and L. 
      saligna rather than L. virosa. Arabidopsis-type telomeric sequences were detected 
      at both ends of their chromatids of all chromosomes not in the other regions. 
      This observation suggests the lack of telomere-mediated chromosomal 
      rearrangements among the Lactuca chromosomes.
FAU - Matoba, Hideyuki
AU  - Matoba H
AD  - Department of Applied Biological Science, College of Bioresource Sciences, Nihon 
      University, Fujisawa, Kanagawa, Japan.
FAU - Mizutani, Takayuki
AU  - Mizutani T
FAU - Nagano, Katsuya
AU  - Nagano K
FAU - Hoshi, Yoshikazu
AU  - Hoshi Y
FAU - Uchiyama, Hiroshi
AU  - Uchiyama H
LA  - eng
PT  - Journal Article
PL  - England
TA  - Hereditas
JT  - Hereditas
JID - 0374654
RN  - 0 (DNA, Ribosomal)
SB  - IM
MH  - Arabidopsis/genetics
MH  - Chromosome Mapping/methods
MH  - Chromosomes, Plant
MH  - DNA, Ribosomal/genetics
MH  - *Genes, Plant
MH  - Genetic Techniques
MH  - Hybridization, Genetic
MH  - In Situ Hybridization, Fluorescence/*methods
MH  - Karyotyping
MH  - Lactuca/*genetics
MH  - Metaphase
MH  - Models, Genetic
MH  - Nucleic Acid Hybridization
MH  - Polymerase Chain Reaction
EDAT- 2008/01/25 09:00
MHDA- 2008/03/08 09:00
CRDT- 2008/01/25 09:00
PHST- 2008/01/25 09:00 [pubmed]
PHST- 2008/03/08 09:00 [medline]
PHST- 2008/01/25 09:00 [entrez]
AID - HRD2012 [pii]
AID - 10.1111/j.2007.0018-0661.02012x [doi]
PST - ppublish
SO  - Hereditas. 2007 Dec;144(6):235-43. doi: 10.1111/j.2007.0018-0661.02012x.