| 患"颤抖病"中华绒螯蟹血细胞中类立克次体寄生的超微结构观察 |
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| 引用本文： | 朱宁宁,王文,李正荣,顾志锋.患"颤抖病"中华绒螯蟹血细胞中类立克次体寄生的超微结构观察[J].电子显微学报,2002,21(1):21-24. |
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| 作者姓名： | 朱宁宁 王文 李正荣 顾志锋 |
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| 作者单位： | 南京师范大学生命科学院,江苏,南京,210097 |
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| 基金项目： | 江苏省科技厅科技兴海研究项目(编号:BL2000305) |
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| 摘 要： | 本文对患“颤抖病”的中华绒螯蟹血细胞内类立克次体生物RLOs的寄生及繁殖特性进行了超微结构研究。正常中华绒螯蟹的血细胞可分为三类；无颗粒细胞、小颗粒细胞、小颗粒细胞和大颗粒细胞，而RLOs只特异性地侵染小颗粒细胞。RLOs以胞吞的方式进入小颗粒细胞，并在细胞内大量增殖形成包涵体，使细胞肿胀、瓦解、坏死，进而释放出RLOs，释放出的RLOs又继续侵染其他靶组织和细胞。
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| 关 键 词： | 中华绒螯蟹 颤抖病 血细胞 类立克次体 超微结构 寄生 |
| 文章编号： | 1000-6281(2002)01-0021-04 |
Ultrastructural observation on hemocytes parasitized by Rickettsia-like organisms of Eriocheir sinensis infected with tremor disease |
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| ZHU Ning ning,WANG Wen,LI Zheng rong,GU Zhi feng.Ultrastructural observation on hemocytes parasitized by Rickettsia-like organisms of Eriocheir sinensis infected with tremor disease[J].Journal of Chinese Electron Microscopy Society,2002,21(1):21-24. |
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| Authors: | ZHU Ning ning WANG Wen LI Zheng rong GU Zhi feng |
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| Abstract: | The parasitism and reproduction of Rickettsia like organisms(RLOs) in hemocytes of Eriocheir sinensis infected with tremor disease, were studied via transmission electron microscopy. There are three types of hemocytes: agranular hemocyte, large granular hemocyte and small granular hemocyte. Only in the small granular hemocytes were found infestation of RLOs. By phagocytosis, RLOs get into the cell and form cytorrhyctes. In cytorrhyctes, RLOs propagated in mass and caused the host cell swelling and disorganizing, subsequently RLOs were released to infect other target histocytes . |
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| Keywords: | Eriocheir sinensis tremor disease hemocytes Rickettsia like organisms(RLOs) ultrastructural observation |
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