On the Organization of the Naked Filose Amoeba, Nuclearia moebiusi Frenzel, 1897 (Sarcodina, Filosea) and Its Implications†

On the Organization of the Naked Filose Amoeba, Nuclearia moebiusi Frenzel, 1897 (Sarcodina, Filosea) and Its Implications†
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关于裸丝状变形虫的组织,Nuclearia moebiusi Frenzel,1897(肉珊瑚,Filosea)及其含义†

DOI:
10.1111/j.1550-7408.1983.tb02920.x
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发表时间:
1983
影响因子:
2.2
通讯作者:
D. Patterson
D. Patterson
中科院分区:
生物学3区
文献类型:
--
作者:
D. Patterson

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描述了莫氏核虫的超微结构组织。该生物体具有丝状伪足,没有支持性微管;它具有带扁平嵴的线粒体,缺乏挤出体、微管组织中心和细胞质微管。在细胞分裂期间,微管仅出现在细胞核内,核膜的重组发生在核分裂周期的后期。超微结构研究表明,Nuclearia spp。具有与其他变形虫不同的细胞组织模式。超微结构特征的比较表明,该生物体仅与其他根足变形虫(包括其他丝状变形虫)和日虫有远缘关系。
The ultrastructural organization of Nuclearia moebiusi is described. The organism has filose pseudopodia without supportive microtubules; it has mitochondria with flattened cristae, lacks extrusomes, microtubule-organizing centers, and cytoplasmic microtubules. During cell division, microtubules appear only within the nucleus, and reorganization of the nuclear envelope occurs late in the nuclear division cycle. Ultrastructural studies reveal that Nuclearia spp. have a pattern of cellular organization distinct from that of other amoebae. Comparison of ultrastructural features suggests that this organism is only distantly related to other rhizopod amoebae (including other filose amoebae) and to the heliozoa.