Karyotype and chromosomal polymorphism of an undescribed Akodon from Central Brazil, a species with the lowest known diploid chromosome number in rodents

Cytogenetics and Cell Genetics

Volumn 81, Issue 1, 1998, Pages 46-50

  De Silva, M J J ^a   Yonenaga Yassuda, Yatio ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ACROCENTRIC CHROMOSOME; ANIMAL CELL; ANIMAL TISSUE; ARTICLE; BRAZIL; CHROMOSOME BANDING PATTERN; CHROMOSOME NUMBER; CHROMOSOME POLYMORPHISM; CRICETIDAE; DIPLOIDY; FEMALE; FLUORESCENCE IN SITU HYBRIDIZATION; KARYOTYPE; MALE; MONOSOMY X; NONHUMAN; PERICENTRIC CHROMOSOME INVERSION; PRIORITY JOURNAL; RODENT; TELOMERE;

ANIMALS; BRAZIL; CHROMOSOME BANDING; CHROMOSOMES; DIPLOIDY; FEMALE; IN SITU HYBRIDIZATION, FLUORESCENCE; KARYOTYPING; MALE; MEIOSIS; MITOSIS; POLYMORPHISM, GENETIC; RODENTIA; SILVER STAINING;

AKODON; ANIMALIA; CRICETINAE; RODENTIA;

EID: 0031822584     PISSN: 03010171     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Bianchi NO, Reig OA, Molina OJ, Dulout FN: Cytogenetics of the South American akodont rodents (Cricetidae). I. Progress report of Argentinian and Venezuelan forms. Evolution 25:724-736 (1971).
2. Christoff AU: Contribuição à sistemática das espécies do gênera Akodon (Rodentia, Sigmodontinae) do leste do Brasil: estudos anatômicos, citogenéticos e de distribuição geográfica. PhD thesis, Departamento de Biologia, Institute de Biociências, Universidade de São Paulo, São Paulo, Brazil (1997).
3. Contreras LC, Torres-Mura JC, Spotomo AE: The largest known chromosome number for a mammal, in South American desert rodent. Experientia 46:506-508 (1990).
4. Dutrillaux B, Couturier J: La Practique de l'Analyse Chromosomique (Mason, Paris 1981).
5. Fagundes V: Análises cromossômicas e dos complexes sinaptonêmicos em roedores brasileiros das familias Cricetidae e Echimyidae. Masters thesis, Departamento de Biologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil (1993).
6. Fagundes V: Contribuição da citogenética molecular no entendimento da evolução cromossômica no gênero Akodon (Rodentia, Sigmodontinae). PhD thesis, Departamento de Biologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil (1997).
7. Fagundes V, Vianna-Morgante AM, Yonenaga-Yassuda Y: Telomeric sequences localization and G-banding patterns in the identification of a polymorphic chromosomal rearrangement in the rodent Akodon cursor (2n = 14, 15 and 16). Chrom Res 5:228-232 (1997).
8. Gardner AL, Patton JL: Karyotypic variation in Oryzomyine rodents (Cricetidae) with comments on chromosomal evolution in the Neotropical Cricetine Complex. Occ Pap Mus Zool, LA State University 49:1-48 (1976).
9. Greenbaum IF, Reed MJ: Evidence for heterosynaptic pairing of the inverted segment in pericentric inversion heterozygotes of the deer mouse (Peromyscus maniculatus). Cytogenet Cell Genet 38:106-111 (1984).
10. Hale DW: Heterosynapsis and suppression of chiasmata within heterozygous pericentric inversions of the Sitka deer mouse. Chromosoma 94:425-432 (1986).
11. Kasahara S, Yonenaga-Yassuda Y: A progress report of cytogenetic data on Brazilian rodents. Rev Bras Genet 8:509-533 (1984).
12. Lee C, Sasi R, Lin CC: Interstitial localization of telomeric DNA sequences in the Indian muntjac chromosomes: further evidence for tandem chromosome fusions in the karyotypic evolution of the Asian muntjacs. Cytogenet Cell Genet 63:156-159 (1993).
13. n telomeric sequence in vertebrate chromosomes. Chromosoma 99:3-10 (1990).
14. Musser GG, Carleton MD: Family Muridae, in Wilson DE, Reeder DM (eds): Mammal Species of the World: a Taxonomic and Geographic Reference. (Smithsonian Institution Press, Washington/London 1993).
15. Sbalqueiro IJ, Nascimento AP: Occurrence of Akodon cursor (Rodentia, Cricetidae) with 14, 15 and 16 chromosomes cytotypes in the same geographic area in Southern Brazil. Rev Bras Genet 19:565-569 (1996).
16. n sequences in the chromosomes of the Giraffidae, okapi (Okapi Johnstoni), and giraffe (Giraffa camelopardalis): evidence for ancestral telomeres at the okapi polymorphic rob(4;26) fusion site. Cytogenet Cell Genet 72:310-315 (1996).
17. Yonenaga Y: Chromosomal polymorphism in the rodent Akodon arviculoides ssp. (2n = 14) resulting from two pericentric inversions. Cytogenetics 11:488-499 (1972).
18. Yonenaga-Yassuda Y: New karyotypes and somatic and germ-cell banding in Akodon arviculoides (Rodentia, Cricetidae). Cytogenet Cell Genet 23:241-249 (1979).
19. Yonenaga-Yassuda Y, Kasahara S, Almeida EJC, Peracchi AL: Chromosomal banding patterns in Akodon arviculoides (2n = 14), Akodon sp. (2n = 24 and 25), and two male hybrids with 19 chromosomes. Cytogenet Cell Genet 15:388-399 (1979).