Genomic dispersion of 28S rDNA during karyotypic evolution in the ant genusMyrmecia (Formicidae) (original) (raw)

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An Erratum to this article was published on 01 April 1997

Abstract

The chromosomal localization of 28S rDNA was investigated in 16 species of the Australian ant genus_Myrmecia_, with 2_n_ numbers ranging from 4 to 76, using the fluorescence in situ hybridization method and karyographic analysis. A unique phenomenon was observed: the number of chromosomes carrying 28S rDNA increases from 2 in species with low chromosome numbers to 19 in species with high chromosome numbers. This is termed rDNA dispersion. Centric fission and a reciprocal translocation that occurs in C-bands were detected as the major mechanisms involved in rDNA dispersion.

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Authors and Affiliations

1. Primate Research Institute, Kyoto University, 484, Inuyama, Aichi-ken, Japan
   Hirohisa Hirai
2. Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, 606, Kyoto, Japan
   Masa-Toshi Yamamoto
3. Division of Entomology, CSIRO, 2601, Canberra, ACT, Australia
   Robert W. Taylor
4. National Institute of Genetics, 411, Mishima, Shizoka-ken, Japan
   Hirotami T. Imai

Authors

1. Hirohisa Hirai
2. Masa-Toshi Yamamoto
3. Robert W. Taylor
4. Hirotami T. Imai

Corresponding author

Correspondence toHirotami T. Imai.

Additional information

Edited by: D. Schweizer

An erratum to this article is available at http://dx.doi.org/10.1007/BF02529753.

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Hirai, H., Yamamoto, MT., Taylor, R.W. et al. Genomic dispersion of 28S rDNA during karyotypic evolution in the ant genus_Myrmecia_ (Formicidae).Chromosoma 105, 190–196 (1996). https://doi.org/10.1007/BF02509500

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• Received: 22 March 1996
• Revised: 03 June 1996
• Accepted: 04 June 1996
• Issue date: September 1996
• DOI: https://doi.org/10.1007/BF02509500

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