NDLI: Gene mapping of 28S and 5S rDNA sites in the spined loach Cobitis taenia (Pisces, Cobitidae) from a diploid population and a diploid

Content Provider	Springer Nature Link
Author	Boroń, Alicja Ozouf Costaz, Catherine Coutanceau, Jean Pierre Woroniecka, Katarzyna
Copyright Year	2006
Abstract	We compare the chromosomal 28S and 5S rDNA patterns of the spined loach C. taenia (2n = 48) from an exclusively diploid population and from a diploid–polyploid population using 28S and 5S rDNA probe preparation and labelling, and fluorescence in situ hybridization (FISH). The 5S rDNA was located in two to three chromosome pairs, and separated from the 28S loci for the males and one female (F1) from the diploid population. Loaches from a diploid–polyploid population, and one female (F2) from the diploid population were characterized by at least one chromosome pair with 5S and 28S overlapping signals. The fishes differed mainly in their number of 28S rDNA loci, located on 3–6 chromosomes. All individuals from both populations were characterized by one acrocentric chromosome bearing a 28S rDNA signal on the telomeres of its long arm. The number of major ribosomal DNA in the karyotype of C. taenia by FISH was always higher than the number of Ag-NORs. Our data confirm the extensive polymorphism of NORs in both populations, as already has been observed in closely related Cobitis species, and less polymorphic 5S rDNA pattern. However, this preliminary result highlights the need for a wider scale study.
Starting Page	71
Ending Page	79
Page Count	9
File Format	PDF
ISSN	00166707
Journal	Genetica
Volume Number	128
Issue Number	1-3
e-ISSN	15736857
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cobitis taenia FISH polyploidy ribosomal genes Human Genetics Life Sciences Microbial Genetics and Genomics Plant Genetics & Genomics Animal Genetics and Genomics
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Medicine Animal Science and Zoology Insect Science

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Replication Banding Patterns in the Spined Loach, Cobitis taenia L. (Pisces, Cobitidae)

Comparative histology of the testes of the spined loach Cobitis taenia L. and natural allotetraploids of Cobitis (Pisces, Cobitidae)

Morphology of the karyologically identified spined loach Cobitis taenia (Teleostei, Cobitidae) from a diploid population

Banded karyotype of spined loach Cobitis taenia and triploid Cobitis from Poland

Comparative histology of the testes of the spined loach Cobitis taenia L. and natural allotetraploids of Cobitis (Pisces, Cobitidae)

Ploidy-dependent survival of progeny arising from crosses between natural allotriploid Cobitis females and diploid C. taenia males (Pisces, Cobitidae)

Erratum to: Ploidy-dependent survival of progeny arising from crosses between natural allotriploid Cobitis females and diploid C. taenia males (Pisces, Cobitidae)

Extensive polymorphism and chromosomal characteristics of ribosomal DNA in a loach fish, Cobitis vardarensis (Ostariophysi, Cobitidae) detected by different banding techniques and fluorescence in situ hybridization (FISH)

Chromosomal localization of 18S and 5S rDNA using FISH in the genus Tor (Pisces, Cyprinidae)

Gene mapping of 28S and 5S rDNA sites in the spined loach Cobitis taenia (Pisces, Cobitidae) from a diploid population and a diploid–tetraploid population

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Morphology of the karyologically identified spined loach Cobitis taenia (Teleostei, Cobitidae) from a diploid population

Banded karyotype of spined loach Cobitis taenia and triploid Cobitis from Poland

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