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Molecular organization and phylogenetic analysis of 5S rDNA in crustaceans of the genus "Pollicipes" reveal birth-and-death evolution and strong purifying selection
(BioMed Central, 2011-10-17)
[Abstract]
Background: The 5S ribosomal DNA (5S rDNA) is organized in tandem arrays with repeat units that consist of a transcribing region (5S) and a variable nontranscribed spacer (NTS), in higher eukaryotes. Until ...
Telomeric localization of the vertebrate-type hexamer repeat, (TTAGGG) ₙ, in the wedgeshell clam "Donax trunculus" and other marine invertebrate genomes
(American Society for Biochemistry and Molecular Biology, 2002-05-31)
[Abstract]: The hexamer repeat sequence (TTAGGG) n, found at the ends of all vertebrate chromosomes, was previously identified as the main building element of one member of aHindIII satellite DNA family characterized in ...
Cytogenetic characterization of “Donax trunculus” (Bivalvia: Donacidae) by means of karyotyping, fluorochrome banding and fluorescent “in situ” hybridization
(Oxford, 2002-11)
[Abstract]: The chromosomes of “Donax trunculus” were analysed by means of Giemsa staining, chromomycin A3 (CA3), DAPI and fluorescent “in situ” hybridization (FISH) with an 18S-5.8S-28S rDNA probe. The diploid number is ...
Polyploidy in a Natural Population of Mussel, Mytilus Trossulus
(Canadian Science Publishing, 2000-03)
[Abstract] We have analyzed natural polyploidy in a population of “Mytilus trossulus” from Vancouver Island (British Columbia, Canada) by means of cytogenetic techniques. Results obtained are the first reporting on this ...
Comparative cytogenetic analysis of marine “Palaemon” species reveals a X₁X₁X₂X₂/X₁X₂Y sex chromosome system in “Palaemon elegans”
(Springer, 2017-10-12)
[Abstract]: The maintenance of species and the promotion of speciation are closely related to chromosomal rearrangements throughout evolution. Decapoda represents the most species-rich order among crustaceans and, despite ...
Characterization of different chromatin types in Mytilus galloprovincialis L. after C-banding, fluorochrome and restriction endonuclease treatments
(Nature, 1994-03-01)
[Abstract] In this study, we have carried out the cytogenetical characterization of “Mytilus galloprovincialis” L. (2n = 28) using conventional staining and banding techniques such as fluorochromes and restriction endonucleases ...
Differences in Prevalence of Multiple Paternity in the Spiny Spider Crab Maja Brachydactyla in Two Localities That Differ in Female Fecundity, Fishing Intensity, and Management Measures
(Oxford Academic, 2021-04-29)
[Abstract] Many marine species are under high fishing pressure, which can cause alterations in their mating systems and the structure of their populations. The spiny spider crab Maja brachydactyla is a commercial decapod ...
Mitogenome Phylogenetics in the Genus Palaemon (Crustacea: Decapoda) Sheds Light on Species Crypticism in the Rockpool Shrimp P. Elegans
(PLOS, 2020-08-18)
[Abstract] The genus Palaemon comprises worldwide marine and freshwater shrimps and prawns, and some of them are ecologically or commercially important species. Palaemon is not currently a monophyletic group, so phylogenetics ...
DNA content, karyotypes, and chromosomal location of 18S-5.8S-28S ribosomal loci in some species of bivalve molluscs from the Pacific Canadian coast
(Canadian Science Publishing, 2000-12)
[Abstract]: The DNA content of 10 species of bivalve molluscs from British Columbia coast was determined by image analysis, and the karyotypes of the horse clam “Tressus capax”, the bent-nose macoma “Macoma nasuta”, and ...
Karyotypes and Ag-NORs of the mussels Mytilus californianus and M. trossulus from the Pacific Canadian coast
(Elsevier, 1997-01-01)
[Abstract] The karyotypes and the nucleolus organizer regions (NORs) of “M. californianus” and “M. trossulus” from the Pacific coast are reported here for the first time. The karyotypes show seven metacentric and seven ...