Karyotype, C- and G-band Patterns and DNA content of Callimenus (=Bradyporus) macrogaster macrogaster

Chromosomes and detailed karyotype information (the number, shape, relative length, arm ratio, centromeric index) of Callimenus (=Bradyporus) macrogaster macrogaster Lef. (Orthoptera: Tettigonioidea, Bradyporini) of Turkey belonging to the subfamily Bradyporinae are described. The diploid number of...

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Bibliographic Details
Published in:Journal of insect science (Tucson, Ariz.) Ariz.), 2002, Vol.2 (1), p.24-24
Main Authors: Turkoglu, Sifa, Koca, Serdar
Format: Article
Language:English
Subjects:
C- and G- banding
Callimenus (=Bradyporus) macrogaster macrogaster
chromosomes
cricket
DNA content
karyotype
Orthoptera
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Summary:Chromosomes and detailed karyotype information (the number, shape, relative length, arm ratio, centromeric index) of Callimenus (=Bradyporus) macrogaster macrogaster Lef. (Orthoptera: Tettigonioidea, Bradyporini) of Turkey belonging to the subfamily Bradyporinae are described. The diploid number of chromosomes was found to be 2n male symbol = 23, with 2 metacentric pairs, 2 submetacentric pairs, 6 acrocentric pairs. The X chromosome is metacentric. This species has a XX female symbol / X0 male symbol sex determining mechanism. The basic karyotype is complemented by a description of C- and G-banding patterns. The C-banding pattern in spermatogonial metaphase was characterized by the presence of paracentromeric C-bands in all chromosomes, and a distal C-band in chromosome 5. The G-banding pattern was complex. The 2C nuclear DNA content was found to be 10.26 +/- 0.16 picograms by microspectrophotometry.
ISSN:1536-2442
1536-2442
DOI:10.1093/jis/2.1.24