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Development of Onchocerca volvulus Larvae in Simulium pintoi in the Amazonas Region of Venezuela
http://hdl.handle.net/10069/21852
http://hdl.handle.net/10069/21852bcb9e461-85a7-4d42-87fa-a96efea5eeb8
名前 / ファイル | ライセンス | アクション |
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ajtmh33_414.pdf (672.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-05-13 | |||||
タイトル | ||||||
タイトル | Development of Onchocerca volvulus Larvae in Simulium pintoi in the Amazonas Region of Venezuela | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Takaoka, Hiroyuki
× Takaoka, Hiroyuki× Suzuki, Hiroshi× Noda, Shinichi× Tada, Isao× Basanez, Marii G.× Yarzabal, Luis |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The intake and development of Onchocerca volvulus in Simulium pintoi from the Parima mountain region of the Federal Territory of Amazonas in Venezuela, were studied experimentally. When wild females fed on the lower half of the legs and lower third of the back of an onchocerciasis patient harboring 23 and 264 microfilariae per skin snip, respectively, at each site, an average (median) of 14 (range, 1?77) and 245 (range, 58?495) microfilariae was ingested. However, within 24 hours of microfilarial ingestion a mortality of 47% (16/34 flies) was observed in the group of flies which fed on the back, as compared with 2% (2/101 flies) in the other group which fed on the legs. At a temperature varying between 16°C and 24°C, the development of O. volvulus larvae in S. pintoi was synchronous and orderly; no abnormal nor deformed larvae were observed. Third-stage larvae were first seen in the head of flies dying between 8 and 9 days after microfilarial ingestion, and 98 of 100 larvae recovered from days 10?16 were in the third stage. The proportions of females harboring third-stage larvae among flies which lived through day 8 in the two groups which fed on the legs and back, respectively, were 55% (21/38 flies) and 63% (5/8 flies). Although only two of five positive flies in the latter group contained third-stage larvae in the head (1 and 12, respectively), 71% (15/21 positive flies) of the former group had an average of 2.7 third-stage larvae in the head (range, 1?10). In conclusion, it is suggested that S. pintoi is an efficient vector of O. volvulus due to its high susceptibility, in spite of the high mortality caused by an excessive intake of microfilariae. | |||||
書誌情報 |
American Journal of Tropical Medicine and Hygiene 巻 33, 号 3, p. 414-419, 発行日 1984-05 |
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出版者 | ||||||
出版者 | American Society of Tropical Medicine and Hygiene | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00029637 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00521439 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | 6731673 | |||||
権利 | ||||||
権利情報 | Copyright c 1984 by The American Society of Tropical Medicine and Hygiene | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関係URI | ||||||
関連名称 | http://www.ajtmh.org/cgi/content/abstract/33/3/414 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | American Journal of Tropical Medicine and Hygiene, 33(3), pp.414-419; 1984 |