Preliminary study on chromosomes of induced triploid in the red sea bream,Pagrosomus major

Liu Jing; You Feng

doi:10.1007/BF02842580

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Preliminary study on chromosomes of induced triploid in the red sea bream,Pagrosomus major

Updated：2023-05-16

- Preliminary study on chromosomes of induced triploid in the red sea bream,Pagrosomus major
- Journal of Oceanology and Limnology Vol. 18, Issue 2, Pages: 190-192(2000)
- Affiliations：
  
  Institute of Oceanology Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/BF02842580
  CLC：
- Published：2000
- Accepted：
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Jing, L., Feng, Y. Preliminary study on chromosomes of induced triploid in the red sea bream,Pagrosomus major, ., Chin. J. Ocean. Limnol. 18, 190–192 (2000). https://doi.org/10.1007/BF02842580
DOI：

Jing, L., Feng, Y. Preliminary study on chromosomes of induced triploid in the red sea bream,Pagrosomus major, ., Chin. J. Ocean. Limnol. 18, 190–192 (2000). https://doi.org/10.1007/BF02842580 DOI：

摘要

Abstract

Triploidy red sea bream were induced by cold-shock techniques (0–3°C) in Qingdao in April 1994

May 1995 and May 1996. Normal diploidy and triploidy chromosome metaphases were produced by chromosome spreads from the gastrula. Counts of 104 chromosome metaphases of normal diploid showed each of them consisted of 2 acrocentric (st) and 46 telocentric (t) chromosomes. Based on the relative lengths and arm ratios

the 48 chromosomes were matched into 24 pairs. Counts of 107 chromosome metaphases of induced triploid showed that each metaphase consisted of 3 acrocentric (st) and 69 telocentric (t) chromosomes. The 72 chromosomes were easily matched into three sets of chromosomes

based on the relative lengths and arm ratios.

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references

Kitamura, H., Ong, Y. T., Arakawa, T., 1991. Gonad development of artificially induced triploid red sea bream.Pagrus major Nippon Suisan Gakkaishi 57(9): 1657–1660.

Levan, A., 1964. Nomenclature for centromeric position on chromosomes.Hereditas 52: 201–220.

Liu, J., Tian, M. C., 1991. A chromosome study on two sparid fishes.Marine Sciences 3: 64–67. (in Chinese with English abstract)

Sugama, K., Taniguchi, N., 1988. Isozyme expression of artificially induced ploidy in red sea bream, black sea bream and their hybrid.Rep. Usa. Mar. Biol. Inst., Kochi Univ. 10: 75–81.

You, F., 1993. Study on triploidy induction in the black porgy,Sparus macrocephalus.Oceanologia et Limnologia Sinica 24(3): 248–255. (in Chinese with English abstract)

You, F., Liu, J., 1995. Karytype evidences of triploidy in the left-eyed flounder,Paralichthys olixiceus.Oceanologia et Limnologia Sinica 26(5): 115–118 (in Chinese with English abstract).

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