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Titolo:
Pattern of X-Y chromosome pairing in the Taiwan vole, Microtus kikuchii
Autore:
Mekada, K; Harada, M; Lin, LK; Koyasu, K; Borodin, PM; Oda, SI;
Indirizzi:
Nagoya Univ, Grad Sch Bioagr Sci, Lab Anim Management, Chikusa Ku, Nagoya,Aichi 4648601, Japan Nagoya Univ Nagoya Aichi Japan 4648601 sa Ku, Nagoya,Aichi 4648601, Japan Osaka City Univ, Sch Med, Lab Anim Ctr, Abeno Ku, Osaka 5458585, Japan Osaka City Univ Osaka Japan 5458585 Ctr, Abeno Ku, Osaka 5458585, Japan Tunghai Univ, Dept Biol, Lab Wildlife Ecol, Taichung 407, Taiwan Tunghai Univ Taichung Taiwan 407 Lab Wildlife Ecol, Taichung 407, Taiwan Aichi Gakuin Univ, Sch Dent, Dept Anat 2, Chikusa Ku, Nagoya, Aichi 4648650, Japan Aichi Gakuin Univ Nagoya Aichi Japan 4648650 Nagoya, Aichi 4648650, Japan Russian Acad Sci, Inst Cytol & Genet, Novosibirsk 630090, Russia Russian Acad Sci Novosibirsk Russia 630090 t, Novosibirsk 630090, Russia
Titolo Testata:
GENOME
fascicolo: 1, volume: 44, anno: 2001,
pagine: 27 - 31
SICI:
0831-2796(200102)44:1<27:POXCPI>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
GIANT SEX-CHROMOSOMES; ORGANIZER REGIONS; ARVICOLID RODENTS; FIELD VOLE; ASSOCIATION; SEGREGATION; OECONOMUS;
Keywords:
Microtus kikuchii; Microtus phylogeny; karyotype; synaptic sex chromosomes; synaptonemal complex;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Oda, SI Nagoya Univ, Grad Sch Bioagr Sci, Lab Anim Management, Chikusa Ku,Furo Cho, Nagoya, Aichi 4648601, Japan Nagoya Univ Furo Cho Nagoya Aichi Japan 4648601 chi 4648601, Japan
Citazione:
K. Mekada et al., "Pattern of X-Y chromosome pairing in the Taiwan vole, Microtus kikuchii", GENOME, 44(1), 2001, pp. 27-31

Abstract

Pairing of X and Y chromosomes at meiotic prophase and the G- and C-banding patterns and nucleolar organizer region (NOR) distribution were analyzed in Microtus kikuchii. M. kikuchii is closely related to M. oeconomus and M.montebelli, karyologically and systematically. The formation of a synaptonemal complex between the X and Y chromosomes at pachytene and end-to-end association at diakinesis - metaphase I are only observed in three species inthe genus Microtus; M. kikuchii, M. oeconomus, and M. montebelli. All the other species that have been studied so far have had asynaptic X-Y chromosomes. These data confirm that M. kikuchii, M. oeconomus, and M. montebelli are very closely related, and support the separation of asynaptic and synaptic groups on the phylogenetic tree.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/08/20 alle ore 18:29:35