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題 名 | Invasion of Bacteroids and BEV Bacterium into Oocytes of the Leafhopper Euscelidius Variegatus Kirschbaum (Homoptera: Cicadellidae): An Electron Microscopic Study=類細菌與BEV細菌對雜色葉蟬Euscelidius Variegatus Kirschbaum(同翅目:葉蟬科)卵母細胞侵染之電鏡研究 |
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作 者 | 張偉權; | 書刊名 | 動物研究學刊 |
卷 期 | 38:1 1999.01[民88.01] |
頁 次 | 頁69-75 |
分類號 | 385.752 |
關鍵詞 | 共生體; 細菌; 卵巢; 超微結構; 昆蟲免疫; Symbionts; Bacteria; Ovary; Ultrastructure; Insect immunity; |
語 文 | 英文(English) |
中文摘要 | 本文報導雜色葉蟬Euscelidius variegatus共生類細菌a及f與慢性病原BEV對 其卵母細胞原位固定後之電鏡研究。在成蟲羽化第二天,類細菌以群狀感染堆存寄主血淋巴 中,在未進入卵巢管之卵泡上皮特別楔形細胞前,他們以個體釋放出去。BEV細菌也寄載 在感染堆中,並同樣在血淋巴中釋放,以便感染卵母細胞。當類細菌與BEV細菌沒有受寄 主細胞膜保護時,寄主血球(也許是細胞質細胞)在血淋巴中將他們吞噬。 |
英文摘要 | Invasion of bacteroids and BEV bacterium into oocytes of the leathopper Euscelidius variegatus Kirschbaum (Homoptera: Cicadellidae): An electron microscopic study. Zoological Studies 38(l): 69-75. Electron microscopic studies were carried out on the infective stages of symbiotic bacteroids a and t, and their chronic pathogen BEV together with ovarioles of the leafhopper Euscelidius variegatus Kirschbaum fixed in situ. The bacteroids were carried in cluster of host cells in the hemolymph as an infective mound during the second day of adult emergence. Before entering an ovariole through special wedge cells of the follicular epithelium, they were released as individuals. The BEV bacteria were also carried in infective mounds and were released to the hemolymph for oocyte infection. Host hemocytes (probably plasmatocytes) engulfed bacteroids and BEV bacteria in the hemolymph when they were not protected by host's cell membranes. |
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