Changes in the Levels of Gonadotropin Subunit mRNAs in the Pituitary of Pre-Spawning Chum Salmon

Zoological Science

Volumn 15, Issue 5, 1998, Pages 753-760

  Kitahashi, Takashi ^a   Ando, Hironori ^a   Ban, Masatoshi ^b   Ueda, Hiroshi ^a   Urano, Akihisa ^a  

^a HOKKAIDO UNIVERSITY   (Japan)

^b FISHERIES RESEARCH AGENCY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0032275128     PISSN: 02890003     EISSN: None     Source Type: Journal    
DOI: 10.2108/zsj.15.753     Document Type: Article

References (24)

1. Amano M, Aida K, Okumoto N, Hasegawa Y (1992) Changes in salmon GnRH and chicken GnRH-II contents in the brain and pituitary, and GTH contents in the pituitary in female masu salmon, Oncorhynchus masou, from hatching through ovulation. Zool Sci 9: 375-386
2. Amano M, Urano A, Aida K (1997) Distribution and function of gonadotropin-releasing hormone (GnRH) in the teleost brain. Zool Sci 14: 1-11
3. Chomczynski P, Sacchi N (1987) Single-step method of RNA isolation by acid guanidinium thiocyanate-phenol-chloroform extraction. Anal Biochem 162: 156-159
4. 9) LHRH, releases luteinizing hormone and follicle-stimulating hormone in vitro and in vivo. Mol Cell Endocrinol 85: 99-107
5. Gen K, Maruyama O, Kato T, Tomizawa K, Wakabayashi K, Kato Y (1993) Molecular cloning of cDNAs encoding two types of gonadotropin α subunit from the masu salmon, Oncorhynchus masou: construction of specific oligonucleotides for the α1 and α2 subunits. J Mol Endocrinol 11: 265-273
6. Hiraoka S, Ando H, Ban M, Ueda H, Urano A (1997) Changes in expression of neurohypophysial hormone genes during spawning migration in chum salmon, Oncorhynchus keta. J Mol Endocrinol 18: 49-55
7. Ito M, Koide Y, Takamatsu N, Kawauchi H, Shiba T (1993) cDNA cloning of the beta subunit of teleost thyrotropin. Proc Natl Acad Sci USA 90: 6052-6055
8. Itoh H, Suzuki K, Kawauchi H (1988) The complete amino acid sequences of β-subunits of two distinct chum salmon GTHs. Gen Comp Endocrinol 71: 438-451
9. Itoh H, Suzuki K, Kawauchi H (1990) The complete amino acid sequences of alpha subunits of chum salmon gonadotropins. Gen Comp Endocrinol 78: 56-65
10. Kato Y, Gen K, Maruyama O, Tomizawa K, Kato T (1993) Molecular cloning of cDNAs encoding two gonadotrophin β subunits (GTH-Iβ and -IIβ) from the masu salmon, Oncorhynchus masou. J Mol Endocrinol 11: 275-282
11. Kawauchi H, Suzuki K, Itoh H, Swanson P, Naito N, Nagahama Y, Nozaki M, Nakai Y, Itoh S (1989) The duality of teleost gonadotropins. Fish Physiol Biochem 7: 29-38
12. Kitahara N, Nishizawa T, Gatanaga T, Okazaki H, Andoh T, Soma G (1988) Primary structure of two mRNAs encoding putative salmon alpha-subunits of pituitary glycoprotein hormone. Comp Biochem Physiol 91: 551-556
13. Kudo H, Hyodo S, Ueda H, Hiroi O, Aida K, Urano A, Yamauchi K (1996) Cytophysiology of gonadotropin-releasing hormone neurons in chum salmon (Oncorhynchus keta) forebrain before and after upstream migration. Cell Tissue Res 284: 261-267
14. Naito N, Hyodo S, Okumoto N, Urano A, Nakai Y (1991) Differential production and regulation of gonadotropins (GTH I and GTH II) in the pituitary gland of rainbow trout, Oncorhynchus mykiss, during ovarian development. Cell Tissue Res 266: 457-467
15. Naito N, Koide Y, Kawauchi H, Nakai Y (1997) Distinct alpha (α)-subunits of salmon glycoprotein hormones: production sites in the pituitary with sexual maturation. Fish Physiol Biochem 17: 39-44
16. Prat F, Sumpter JP, Tyler CR (1996) Validation of radioimmunoassays for two salmon gonadotropins (GTH I and GTH II) and their plasma concentrations throughout the reproductive cycle in male and female rainbow trout (Oncorhynchus mykiss). Biol Reprod 44: 29-38
17. Sekine S, Saito A, Itoh H, Kawauchi H, Itoh S (1989) Molecular cloning and sequence analysis of chum salmon gonadotropin cDNAs. Proc Natl Acad Sci USA 86: 8645-8649
18. Sumpter JP, Scott AP (1989) Seasonal variations in plasma and pituitary levels of gonadotrophin in males and females of two strains of rainbow trout (Salmo gairdneri). Gen Comp Endocrinol 75: 376-388
19. Suzuki K, Liu D, Hew CL (1995) A gene encoding chinook salmon (Oncorhynchus tschawytscha) gonadotropin alpha subunit: gene structure and promoter analysis in primary pituitary cells. Mol Marine Biol Biotechnol 4: 10-19
20. Swanson P (1991) Salmon gonadotropins: reconciling old and new ideas. Reproductive Physiology of Fish 1991. Sheffield: FishSymp; 1991: 2-7
21. Swanson P, Bernard M, Nozaki M, Suzuki K, Kawauchi H, Dickhoff WW (1989) Gonadotropins I and II in juvenile coho salmon. Fish Physiol Biochem 7: 169-176
22. Takayama Y, Ono M, Rand-Weaver M, Kawauchi H (1991) Greater conservation of somatolactin, a presumed pituitary hormone of the growth hormone/prolactin family, than of growth hormone in teleost fish. Gen Comp Endocrinol 83: 366-374
23. Trinh KY, Wang NC, Hew CL, Crim LW (1986) Molecular cloning and sequencing of salmon gonadotropin beta subunit. Eur J Biochem 159: 619-624
24. Weil C, Bougoussa-Houadec M, Gallais C, Itoh S, Sekine S, Valotaire Y (1995) Preliminary evidence suggesting variations of GtH 1 and GtH 2 mRNA levels at different stages of gonadal development in rainbow trout, Oncorhynchus mykiss. Gen Comp Endocrinol 100: 327-333