6533b81ffe1ef96bd1276f31

RESEARCH PRODUCT

Spermatocyte chromosome banding studies inBuccinulum corneum (Prosobranchia: Neogastropoda): Variation in silver-NOR banding pattern

E. CatalanoR. Vitturi

subject

Geneticsmedicine.medical_specialtyintegumentary systemEcologyProsobranchiaCytogeneticsChromosomeKaryotypeAquatic ScienceBiologybiology.organism_classificationMolecular biologyNucleolar Organizer RegionmedicineConstitutive heterochromatinPloidyNucleolus organizer regionEcology Evolution Behavior and Systematics

description

Diploid number (2n=72), and haploid number (n=36) forBuccinulum corneum (L. 1758) collected from the Gulf of Palermo in December 1987 were determined. A simple method to obtain nucleolar organizer regions (NOR), and constitutive heterochromatin regions (C-bands) of chromosomes ofB. corneum is described. Analyses of silver-stained chromosome preparations ofB. corneum suggest that a within-individual variability in NOR-banding pattern is present in each of the five specimens analysed.

https://doi.org/10.1007/bf01313267