2010
DOI: 10.3897/compcytogen.v4i1.28
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Nomenclature for the chromosomes of the common shrew (Sorex araneus)

Abstract: Editorial comment. The common shrew, one of the characteristic small mammal species of Europe and neighbouring Asia, has for decades been a focus of cytogenetic investigation due to remarkable chromosome variation at an individual as well as at a population level. It is a fi ne example of long-term international collaboration through a scientifi c grouping founded in 1987 as the International Sorex araneus Cytogenetics Committee (ISACC). The cytogenetic characterisation of common shrews over the whole species … Show more

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Cited by 44 publications
(52 citation statements)
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“…The racial status of each specimen was determined according to the standard nomenclature for the S. araneus karyotype (Searle et al, 1991).…”
Section: Methodsmentioning
confidence: 99%
“…The racial status of each specimen was determined according to the standard nomenclature for the S. araneus karyotype (Searle et al, 1991).…”
Section: Methodsmentioning
confidence: 99%
“…In this study, we will focus on a hybrid zone located at the Haslital in the Swiss Alps (Innertkirchen, canton Bern). This hybrid zone occurs between Sorex antinorii, which is characterized by the metacentrics gi, hj, kn and l/o (notation: l/o, the slash indicating that the Robertsonian fusion is polymorphic), and the Vaud race of S. araneus, which is characterized by mg, hi, jl, kr and no, according to the nomenclature by Searle et al (1991) (Figure 1). F1 hybrids between these taxa should be relatively infertile because their chromosomes would assemble into a long chain of 11 elements during meiosis ('complex' heterozygotes, CXI; Figure 1) Fredga, 1997, 1998;Banaszek et al, 2002).…”
Section: Introductionmentioning
confidence: 99%
“…h,i/k,m,n,o,p,q,r 2 Bi 28 g,h,i,k,m,n,o,p,q,r Chromosome preparations were obtained from bone marrow and spleen cells after a routine technique with colchicine treatment (Ford and Hamerton 1956). Chromosome identification was carried out by G-banding method with trypsin (Seabright 1971) in accordance with the international common shrew chromosome nomenclature (Searle et al 1991). …”
Section: Methodsmentioning
confidence: 99%
“…Four metacentric autosomes (af, bc, jl, and tu) and sex chromosomes (XX in females and XY1Y2 in males) are characteristic of species S. araneus (acrocentric morphs of chromosome arms j and l sporadically occur in populations through the species area), while ten autosomal arms (g, h, i, k, m, n, o, p, q, and r) can be presented as acrocentrics or be fused as metacenetrics (Searle et al 1991). The designations of chromosome arms are constant irrespective of their condition either as separate acrocentrics (g, h, i, k, m, n, o, p, q, r) or as arms of metacentrics (gm, hk, ip, no, qr).…”
Section: Introductionmentioning
confidence: 99%