Feeding, development and ecology of the cattle tick, Haemaphysalis longicornis, together with the life cycle of Theileria sergenti.
牛蜱(长角血蜱)的摄食、发育和生态,以及塞氏泰勒虫的生命周期。
基本信息
- 批准号:63480082
- 负责人:
- 金额:$ 3.52万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (B)
- 财政年份:1988
- 资助国家:日本
- 起止时间:1988 至 1989
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1. The feeding pattern, mating and oviposition were examined in the female cattle tick, Haemaphysalis longicornis. Females of the bisexual race needed mating to complete engorgement and oviposition. Mating seemed to occur at the earliest on the 3rd-4th day after commencement of feeding. There was a positive correlation between the total number of deposited eggs and the fed female weight in the bisexual race. 2. The oocyte began to develop with feeding. Yolk deposition and egg-shell synthesis commenced on the day of detachment. During vitellogenesis, a large oocyte nucleus with the nuclear crypt became situated near the side of the funicle cells, and well-developed microvilli and active pinocytosis were conspicuous on the oocyte plasma membrane. Mature oocytes were ovulated into the ovarian lumen through a pathway among the developed funicle cells, and many spermatozoa ascended to the ovarian lumen. A spermatozoon seemed to fertilize the ovulated oocytes in the ovarian lumen, because they had not the above characteristic egg nucleus any longer. 3. Bloodmeal digestion in the nymphal tick was biochemically examined. The quantity of total protein decreased rapidly from the detachment day to the 9th day after detachment. The major part of proteins in the midgut contents was hemoglobin and albumin, the former being much larger than the latter in quantity. Hemoglobin decreased rapidly until the 9th day after detachment, and then was maintained at a low level. A large quantity of hematin was detected in the midgut at the detachment day, its quantity more increased as hemoglobin digestion proceeded, and started to decrease rapidly from the 1st to 5th day after molting. 4. Our ultrastructural study revealed that the midgut functioned as a nutritional reserve organ during the unfed stage, served as a digestive organ at both the feeding stage and the premolting period, and acted again as a main nutritional reservoir after molting.
1. 对雌性牛蜱 Haemaphysalis longicornis 的摄食方式、交配和产卵进行了研究。双性恋的雌性需要交配才能完成充血和产卵。交配最早似乎发生在开始进食后的第3-4天。双性种中产卵总数与雌性喂养体重呈正相关。 2. 卵母细胞随着摄食开始发育。卵黄沉积和蛋壳合成在分离当天开始。在卵黄发生过程中,带有核隐窝的大卵母细胞核位于索状细胞侧面附近,卵母细胞质膜上有明显的微绒毛和活跃的胞饮作用。成熟的卵母细胞通过发育的索状细胞间的通路排入卵巢管腔,许多精子上升至卵巢管腔。精子似乎使卵巢腔内排卵的卵母细胞受精,因为它们不再具有上述特征的卵核。 3.对若虫蜱的血粉消化进行生化检查。从脱离当天到脱离后第9天总蛋白量迅速下降。中肠内容物中蛋白质的主要成分是血红蛋白和白蛋白,前者的数量远大于后者。血红蛋白迅速下降,直至脱离后第9天,然后维持在较低水平。脱羽日中肠中检测到大量血红素,其含量随着血红蛋白消化的进行而增加,从蜕皮后第1天到第5天开始迅速减少。 4.我们的超微结构研究表明,中肠在未摄食阶段充当营养储备器官,在摄食阶段和蜕皮前充当消化器官,并在蜕皮后再次充当主要营养库。
项目成果
期刊论文数量(66)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Kakuda,H.,S.Shiraishi and T.A.Uchida: "Ticks from wild mammals in the Kyushu district including Okinawa Prefecture,Japan." J.Fac.Agr.,Kyushu Univ.33. 267-273 (1989)
Kakuda,H.,S.Shiraishi 和 T.A.Uchida:“来自日本冲绳县在内的九州地区野生哺乳动物的蜱虫。”
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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- 通讯作者:
Kakuda, H., S. Shiraishi and T. A. Uchida: "Ticks from wild mammals in the Kyushu district including Okinawa Prefecture, Japan." J. Fac. Agr., Kyushu Univ., 33: 267-273, 1989.
Kakuda, H.、S. Shiraishi 和 T. A. Uchida:“来自日本冲绳县在内的九州地区野生哺乳动物的蜱虫。”
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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Koh, K., S. Shiraishi and T. A. Uchida: "Digestion of bloodmeal protein after detachment in nymphal Haemaphysalis longicornis." J. Fac. Agr., Kyushu Univ., 34: 241-246, 1990.
Koh, K.、S. Shiraishi 和 T. A. Uchida:“长角血虱若虫分离后血粉蛋白的消化”。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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Shiraishi,S.,K.Yoshino and T.A.Uchida: "Studies on seasonal fluctuation of populations and overwintering in the cattle tick,Haemaphysalis longicornis." J.Fac.Agr.,Kyushu Univ.34. 43-52 (1989)
白石,S.,K.Yoshino和T.A.Uchida:“牛蜱,长角血蜱种群季节性波动和越冬的研究”。
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- 影响因子:0
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- 通讯作者:
Koh, K., T. Mori, S. Shiraishi and T. A. Uchida: "Ultrastructural changes of the midgut epithelial cells with feeding and digestion in nymphal Haemaphysalis longicornis." Int. J. Parasit.
Koh, K.、T. Mori、S. Shiraishi 和 T. A. Uchida:“长角血虱若虫摄食和消化过程中中肠上皮细胞的超微结构变化。”
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