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, 2001, 37, N4, 448-455

Sorex araneus L.

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2001..(1), ., (2), ..(1),  ..(1), .. (1), ..(1, 3).

(1)- , 630090;

:(3832) 33-12-78; e-mail: polyakov@bionet.nsc.ru

(2) ,

630091; (3832) 35-65-58

(3)- , 630090

28.08.2000.

(Sorex araneus L)

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(Sorex araneus L) : (FNa=36), 2Na=18 2Na=30. , [1] . af, bc, tu - . 12 - g, h, i, j, k, l, m, n, o, p, q, r - , .[2,3] . . , , .[3] . Sorex araneus L , , . 50 .[2,3] .

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"" [11-13, 15, 16, 18, 22] . . , 55 . .. . [ 12, 13, 15, 18 22]. - , ., - , .

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S. araneus . , , , , - - . . . . - , .(. . 1).

, - .(. 1). - , : hj jl. ( ) ( gk hi jl); . , ( hi , jl, mn) [ 15, 21] . ( gk, hi, mn, qr), qr. : 1) q+r -> qr 2) qr , , .[15]. - , .

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.

130 . . , , -, S. araneus [23], . , , , : , .

20 -18 . . , , .- , , - . . - , . 56 . .. , .[24]. , .[25,26]. [27]. .[28]. , -, . . , , , , . . .(.3). , , . , -, - .

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ACKNOWLEDGMENTS

We are grateful to A. Banashek, Ya. Zima, and

J. Searle for their invaluable help in collecting and ana-lyzing

the material and the reviewer of Genetika (Mos-cow)

for constructive comments.

This study was supported by the Russian Foun-dation

for Basic Research (grants no. 95-04-12698,

96-15-97738, 98-04-49734), the Ministry of Education

of the Russian Federation (grant no. 3H-220-98), and

INTAS (grant no. 93-1463).

C.

  1. Searle, J.B., Fedyk, S., Fredga, K., et al., Nomenclature for the Chromosomes of the Common Shrew (Sorex ara-neus), Memoires de la socit vaudoise des sciences naturelles, 1991, vol. 19, pp. 1322.
  2. Zima, J., Fedyk, S., Fredga, K., et al., The List of the Chromosome Races of the Common Shrew (Sorex ara-neus), Hereditas (Lund, Swed.), 1996, vol. 125, pp. 97107.
  3. Searle, J.B. and Wojcik, J.M., Chromosomal Evolution: The Case of Sorex araneus, Evolution of Shrews, Wojcik, J.M. and Wolsan, M., Eds., Bialowieza: Mam-mal Res. Inst., Polish Academy of Sciences, 1998, pp. 219268.
  4. Halkka, L., Kaikusalo, A., and Vakula, N., Revision of Sorex araneus L. Chromosome Nomenclature, and Race N New to Finland, Ann. Zool. Fennici, 1994, vol. 31, pp. 283288.
  5. Fredga, K., The Chromosome Races of Sorex araneus in Scandinavia, Hereditas (Lund, Swed.), 1996, vol. 125, pp. 123135.
  6. Searle, J.B., Three New Karyotypic Races of the Com-mon Shrew Sorex araneus (Mammalia, Insectivora) and a Phylogeny, Syst. Zool., 1984, vol. 33, pp. 184194.
  7. Wojcik, J.M., Chromosome Races of the Common Shrew Sorex araneus in Poland: A Model of Karyotype Evolution, Acta Theriol., 1993, vol. 38, pp. 315338.
  8. Wittenbach, A. and Hauser, J., The Fixation of Metacen-tric Chromosomes during the Chromosomal Evolution in the Common Shrew (Sorex araneus, Insectivora), Hereditas (Lund, Swed.), 1996, vol. 125, pp. 209217.
  9. Searle, J.B., Chromosomal Hybrid Zones in Eutherian Mammals, Hybrid Zones and the Evolutionary Process, Harrison, R.G., Ed., New York: Oxford Univ. Press, 1993, pp. 309353.
  10. Halkka, L., Soderlund, V., Scaren, U., and Heikkila, J., Chromosomal Polymorphism and Racial Evolution of Sorex araneus, Hereditas (Lund, Swed.), 1987, vol. 106, pp. 257275.
  11. Kral, B. and Radjabli, S.I., Banding Patterns and Robert-sonian Fusion in the Western Siberian Population of Sorex araneus (Insectivora, Soricidae), Zool. Listy, 1974,vol. 23, pp. 217227.
  12. Aniskin, V.M. and Volobuev, V.T., Chromosome Poly-morphism in Siberian Populations of Shrew of the ara-neusarcticus Complex (Insectivora, Soricidae): III. Three Chromosomal Forms of the Common Shrew Sorex ara-neus L., Genetika (Moscow), 1981, vol. 17, no. 10,pp. 17841791.
  13. Kral, B., Aniskin, V.M., and Volobouev, V.T., Karyotype Variability in Siberian Populations of Sorex araneus (Sori-cidae, Insectivora), Folia Zool., 1981, vol. 30, pp. 2337.
  14. Zima, J., Macholan, M., Filippucci, M.G., et al., Karyo-typic and Biochemical Status of Certain Marginal Popu-lations of Sorex araneus, Folia Zool., 1994, vol. 43, suppl. 1, pp. 4351.
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  16. Polyakov, A.V., Chadova, N.B., Rodionova, M.I., et al., Novosibirsk Revisited 24 Years on: Chromosome Poly-morphism in the Novosibirsk Population of the Common Shrew Sorex araneus L., Heredity, 1997, vol. 79, pp. 172177.
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  29. Gropp, A. and Winking, H., Robertsonian Transloca-tions: Cytology, Meiosis, Segregation Patterns and Bio-logical Consequences of Heterozygosity, Symp. Zool. Soc. London, 1981, vol. 47, pp. 141181.
  30. Hewitt, G.M., Some Genetic Consequences of Ice Ages, and Their Role in Divergence and Speciation, Biol. J. Linn. Soc., 1996, vol. 58, pp. 247276.
  31. Fedyk, S., Banaszek, A., Chetnicki, W., et al., Reassess-ment of the Range of the Drnholec Race: Studies on Meiosis in Sorex araneus Hybrids, Acta Theriol., 2000, vol. 45, suppl. 1, pp. 5967.

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I have to say also that problems with Sorex araneus chromosome races have not yet resolved completely and many things are still in process. However we can say now that hybrids after breeding of two races are fertile, and geographic barriers play non-essential role in isolation of races and supporting of hybrid zones.

( , , (). , , .) - .

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The matter of fact is that in nature chromosome aberrations (or difference between races)
do not decrease fertility of hybrids.

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Probably (and very probable) after the summer seazon of this year, which we are going to
spend on hybrid zones, we will publicate the answer on this question.

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1. Russian Journal of Genetics, Vol 37, No 4, 2001, pp.351-357. ( rusjogen.pdf)

 

08.02.2002.

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E-mail sergosergo@mtu-net.ru

 

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