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@article{710425,
author = {Řezáč, Milan and Král, Jiří and Musilová, Jana and Pekár, Stanislav},
article_location = {Lund},
article_number = {1},
keywords = {karyotype; Atypus; spider; chromosome},
language = {eng},
issn = {1601-5223},
journal = {Hereditas},
title = {Unusual karyotype diversity in the European spiders of the genus Atypus (Araneae: Atypidae)},
volume = {143},
year = {2006}
}
TY - JOUR
ID - 710425
AU - Řezáč, Milan - Král, Jiří - Musilová, Jana - Pekár, Stanislav
PY - 2006
TI - Unusual karyotype diversity in the European spiders of the genus Atypus (Araneae: Atypidae)
JF - Hereditas
VL - 143
IS - 1
SP - 123
EP - 123
PB - Blackwell Publishing
SN - 16015223
KW - karyotype
KW - Atypus
KW - spider
KW - chromosome
N2 - Compared with araneomorph spiders, karyotypes of the spider infraorder Mygalomorphae are nearly unknown. In this study we investigated karyotypes of European species of the genus Atypus (Atypidae). The male karyotype of A. muralis and A. piceus comprises 41 chromosomes, whereas female complements contain 42 chromosomes. On the other hand, both sexes of A. affinis possess 14 chromosomes only. It is the lowest diploid number found in mygalomorph spiders so far. Furthermore, obtained data suggest X0 sex chromosome system in A. piceus, A. muralis and neo-XY system in A. affinis. Karyotypes of all three Atypus species are composed of biarmed chromosomes only. Thus they differ significantly from the karyotype of A. karschi , the only other species of this genus studied so far.
ER -
ŘEZÁČ, Milan, Jiří KRÁL, Jana MUSILOVÁ and Stanislav PEKÁR. Unusual karyotype diversity in the European spiders of the genus Atypus (Araneae: Atypidae). \textit{Hereditas}. Lund: Blackwell Publishing, 2006, vol.~143, No~1, p.~123-129. ISSN~1601-5223.
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