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Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran

Year 2008, Volume: 8 Issue: 2, - , 01.04.2008

Abstract

The karyotype and chromosomal characteristics of (anjak, hamoon mahi, shir mahi) Schizothorax zarudnyi (Nikolskii, 1897), in Hamoon Lake of Iran were investigated. The examination of 85 metaphases spread prepared from 20 fingerling specimens indicated that the chromosome numbers of this species was found 2n=96 and the arm number was determined as NF=142. The prepared karyotype of this species was consisted of 9 pairs of metacentric (m), 14 pairs submetacentric (sm) and 25 pairs subtelocentric (st) chromosomes. The chromosome formula can be stated as 2n = 9m + 14sm + 25st. Karyological parameters shown that centromeric index, arm ratio, relative length and so length variation range of chromosomes of this fish are between 25.00 - 49.24, 1.03 - 3.55, 0.88 - 4.13 and 14.57 - 67.70 respectively and total length of chromosome is 1639.16 µm. The largest chromosome in this species is a pair of the submetacentric chromosome. The sex chromosomes were cytologically indistinguishable. With respect to the number of S. zarudnyi chromosomes and resistant of this fish to the environmental conditions, it seems to be tetraploid origin fish. This study may provide the first knowledge on chromosome analysis in S. zarudnyi and add basic information useful for its chromosomal manipulations.

Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran

Year 2008, Volume: 8 Issue: 2, - , 01.04.2008

Abstract

The karyotype and chromosomal characteristics of (anjak, hamoon mahi, shir mahi) Schizothorax zarudnyi (Nikolskii, 1897), in Hamoon Lake of Iran were investigated. The examination of 85 metaphases spread prepared from 20 fingerling specimens indicated that the chromosome numbers of this species was found 2n=96 and the arm number was determined as NF=142. The prepared karyotype of this species was consisted of 9 pairs of metacentric (m), 14 pairs submetacentric (sm) and 25 pairs subtelocentric (st) chromosomes. The chromosome formula can be stated as 2n = 9m + 14sm + 25st. Karyological parameters shown that centromeric index, arm ratio, relative length and so length variation range of chromosomes of this fish are between 25.00 - 49.24, 1.03 - 3.55, 0.88 - 4.13 and 14.57 - 67.70 respectively and total length of chromosome is 1639.16 µm. The largest chromosome in this species is a pair of the submetacentric chromosome. The sex chromosomes were cytologically indistinguishable. With respect to the number of S. zarudnyi chromosomes and resistant of this fish to the environmental conditions, it seems to be tetraploid origin fish. This study may provide the first knowledge on chromosome analysis in S. zarudnyi and add basic information useful for its chromosomal manipulations.

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Details

Primary Language Turkish
Journal Section Articles
Authors

Mohammad Reza Kalbassi Kalbassi This is me

Seyed Vali Hosseini This is me

Reza Tahergorabi This is me

Publication Date April 1, 2008
Published in Issue Year 2008 Volume: 8 Issue: 2

Cite

APA Kalbassi, M. R. K., Hosseini, S. V. ., & Tahergorabi, R. (2008). Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran. Turkish Journal of Fisheries and Aquatic Sciences, 8(2).
AMA Kalbassi MRK, Hosseini SV, Tahergorabi R. Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran. Turkish Journal of Fisheries and Aquatic Sciences. April 2008;8(2).
Chicago Kalbassi, Mohammad Reza Kalbassi, Seyed Vali Hosseini, and Reza Tahergorabi. “Karyotype Analysis in Schizothorax Zarudnyi from Hamoon Lake, Iran”. Turkish Journal of Fisheries and Aquatic Sciences 8, no. 2 (April 2008).
EndNote Kalbassi MRK, Hosseini SV, Tahergorabi R (April 1, 2008) Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran. Turkish Journal of Fisheries and Aquatic Sciences 8 2
IEEE M. R. K. Kalbassi, S. V. . Hosseini, and R. Tahergorabi, “Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran”, Turkish Journal of Fisheries and Aquatic Sciences, vol. 8, no. 2, 2008.
ISNAD Kalbassi, Mohammad Reza Kalbassi et al. “Karyotype Analysis in Schizothorax Zarudnyi from Hamoon Lake, Iran”. Turkish Journal of Fisheries and Aquatic Sciences 8/2 (April 2008).
JAMA Kalbassi MRK, Hosseini SV, Tahergorabi R. Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran. Turkish Journal of Fisheries and Aquatic Sciences. 2008;8.
MLA Kalbassi, Mohammad Reza Kalbassi et al. “Karyotype Analysis in Schizothorax Zarudnyi from Hamoon Lake, Iran”. Turkish Journal of Fisheries and Aquatic Sciences, vol. 8, no. 2, 2008.
Vancouver Kalbassi MRK, Hosseini SV, Tahergorabi R. Karyotype Analysis in Schizothorax zarudnyi from Hamoon Lake, Iran. Turkish Journal of Fisheries and Aquatic Sciences. 2008;8(2).