Activity and Expression of Glutamate Oxaloacetate Transaminase during the Reproductive Cycle of a Fresh Water Fish Labeo rohita

Anand Shanker Srivastava, Ichiro Oohara, Tohru Suzuki, Surendra Nath Singh

研究成果: Article査読

3 被引用数 (Scopus)

抄録

The activities of glutamate oxaloacetate transaminase (GOT) were measured spectrophotometrically from five tissues (liver, heart, kidney, brain, and ovary) of a non air-breathing, herbivorous fresh water fish Labeo rohita. The activities were measured separately for cytosolic (c-) GOT and mitochondrial (m-) GOT. For all tissues examined, the maximum activities were observed in the spawning phase, followed by the pre- and post-spawning phases for both c- and m-GOTs. The native agarose gel electrophoretic pattern revealed two GOT forms of different charges throughout the pre- to post-spawning phases. However, the spawning phase was marked by the expression of an additional anionic form of GOT in all tissues studied. These results indicate a distinct utilization of aspartate particularly in the spawning phase in fish via transamination reactions.

本文言語English
ページ(範囲)621-626
ページ数6
ジャーナルFisheries Science
64
4
DOI
出版ステータスPublished - 1998 8

ASJC Scopus subject areas

  • 水圏科学

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