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Literature summary for 1.14.14.14 extracted from

  • Aggarwal, N.; Goswami, S.V.; Khandelwal, P.; Sehgal, N.
    Aromatase activity in brain and ovary seasonal variations correlated with circannual gonadal cycle in the catfish, Heteropneustes fossilis (2014), Indian J. Exp. Biol., 52, 527-537 .
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Heteropneustes fossilis
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Source Tissue

Source Tissue Comment Organism Textmining
hypothalamus in the female, activity is detecable throughout the year Heteropneustes fossilis
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ovary activity is found only during vitellogenesis. At the completion of vitellogenesis, ovarian aromatase activity declines sharply resulting in elevation of plasma testosterone levels Heteropneustes fossilis
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
androst-4-ene-3,17-dione + 3 O2 + 3 reduced flavoproteins
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Heteropneustes fossilis estrone + formate + 4 H2O + 3 oxidized flavoproteins
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?
testosterone + 3 O2 + 3 reduced flavoproteins
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Heteropneustes fossilis 17beta-estradiol + formate + 4 H2O + 3 oxidized flavoproteins
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?

Expression

Organism Comment Expression
Heteropneustes fossilis hypothalamic aromatase levels increase two times during annual gonadal cycle, once in a fully gravid fish and then in a reproductively quiescent fish additional information