Cytogenetic characterization of 23 species of rodents from Iran

Document Type : Research articles



Cytogenetic approaches are used in systematic studies implying differences between
species and variation between populations. In this study, morphology of chromosomes
and chromosome number of 210 specimens of 23 rodent species from different localities
of Iran were investigated. Specimens belong to five families comprising Dipodidae
(Allactaga elater (2n=48, FNa=92); A. williamsi (2n=48, FNa=92); A. tuossi (2n=48,
FNa=92); A. euphratica (2n=48, FNa=92); A. hotsoni (2n=48, FNa=92); Jaculus jaculus
(2n=48, FNa=88 and 92); Pygeretmus pumilio ( 2n=48, FNa= 82 to 92)), family Cricetidae
(Microtus socialis (2n=62, FNa=60); M. qazvinensis (2n=54, FNa=52); M. transcaspicus
(2n=52, FNa=50); M. levis (2n=54, FNa=52); M. paradoxus (2n=62, FNa=60); Ellobius
talpinus (2n=54, FNa=52); E. fuscocapillus (2n=36, FNa=54); Cricetulus migratorius (2n=22,
FNa=38 and 40); Mesocricetus brandti (2n=42, FNa=78)), family Gliridae (Dryomys nitedula
(2n=48, FNa=84 to 90)), family Scuridae (Funambulus pennantii (2n=54, FNa=72);
Spermophilus fulvus (2n=36, FNa=66)) and family Calomyscidae (Calomyscus grandis (2n=44,
FNa=64); C. hotsoni (2n=50, FNa=48); C. elburzensis (2n=44, FNa=68, 70, 72 and 76); C.
urartensis (2n=28, FNa=44)). In spite of intraspecific variation within some species like
Calomyscus elburzensis, Cricetulus migratorius, Pygeretmus pumilio, Jaculus jaculus and Dryomys
nitedula the results indicated constant chromosome number and fundamental number of
chromosomes in the genus Allactaga from Iran.