Karyotype analysis, nucleolus organizer regions and C-banding pattern of Eisenia foetida (oligochaeta, lumbricidae)

6533b852fe1ef96bd12ab5d8

RESEARCH PRODUCT

Karyotype analysis, nucleolus organizer regions and C-banding pattern of Eisenia foetida (oligochaeta, lumbricidae)

F. P. Amico Roberto Vitturi D. Colombera E. Catalano

subject

Genetics Eisenia fetida medicine.medical_specialty biology Nucleolus Cytogenetics Zoology Karyotype Plant Science General Medicine biology.organism_classification Meiosis Insect Science biology.animal Genetics medicine Lumbricidae Animal Science and Zoology Ploidy Nucleolus organizer region

description

The diploid number 2n=22 and haploid number n=11 found for Eisenia foetida from Palermo, Italy, confirm earlier data for this species from other localities. Analyses of silver-stained and C-banded mitotic and meiotic chromosomes suggest that a single chromosome pair has active NORs which correspond with C-positive regions. The occurrence of nucleolus activity during spermatogenesis of E. foetida is ascertained.

year	journal	country	edition	language
1991-01-01	Genetica

https://doi.org/10.1007/bf00058533

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