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''Trypanosoma vivax'' is a parasite species in the genus ''Trypanosoma''. It causes the disease nagana, also known as animal trypanosomiasis, affecting cattle or wild mammals such as the nyala. It is mainly occurring in West Africa, although it has spread to South America. Symptoms of ''T. vivax'' include "rapid weight loss, lethargy, weakness, clumsiness, pale mucosa, swelling of superficial lymph nodes, anemia, and fluctuating pyrexia, causing()a drop in animal productivity." A novel proline racemase of medical and veterinary importance has been described in ''T. vivax'' (). The smallest variable surface glycoprotein (40 kDa in size) to date has been found in ''T. vivax'', which bears little carbohydrate.〔Characterization of a small variable surface glycoprotein from Trypanosoma vivax. Gardiner P.R., Nene V., Barry M.M., Thatthi R., Burleigh B. and Clarke M.W, Molecular and Biochemical Parasitology, 1996, volume 82, issue 1, pages 1-11, 〕 It also produces vivapain, a cysteine peptidase.〔Vivapain : a cysteine peptidase from Trypanosoma vivax. Vather Perina, Thesis, 2010 ((link ))〕 == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trypanosoma vivax」の詳細全文を読む スポンサード リンク
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