Cytogenetics of the razor clam Solen marginatus (Mollusca: Bivalvia: Solenidae)
- 1 July 2003
- journal article
- animal cytogenetics-and-comparative-mapping
- Published by S. Karger AG in Cytogenetic and Genome Research
- Vol. 101 (1) , 43-46
- https://doi.org/10.1159/000073417
Abstract
The razor clam Solen marginatus has a diploid chromosome number of 38. The karyotype consists of one metacentric/submetacentric, three submetacentric/metacentric, five submetacentric, one submetacentric/subtelocentric, one subtelocentric/submetacentric, six subtelocentric and two telocentric chromosome pairs. Staining with chromomycin A3 revealed bright positive bands subcentromerically in the long arms of one medium-sized subtelocentric pair, while DAPI staining showed uniform fluorescence in all chromosomes of the complement. Fluorescence in situ hybridization using an 18S-5.8S-28S rDNA probe locates these loci at the subcentromeric region of one subtelocentric pair and at the subtelomeric region of another subtelocentric pair.Keywords
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