Asexual reproduction - 'Midwives' assist dividing amoebae
Asexual reproduction - 'Midwives' assist dividing amoebae
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DOI：
10.1038/35068628
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发表时间：
2001-03-22
期刊：
影响因子：
64.8
通讯作者：
Moses, E
中科院分区：
文献类型：
--
作者：
Biron, D;Libros, P;Moses, E
无性细胞通常能够完全自己繁殖。但是我们发现，在大约三分之一的内阿米巴侵入的分裂细胞中，卵裂沟的收缩可能在分离完成之前停止。我们在这里表明，连接的子细胞克服了这个问题，呼吁邻近的阿米巴帮助他们实现分裂的最后阶段。“助产士”细胞被化学活性地招募用于这种机械干预，这是原始合作的一个令人惊讶的例子。
Asexual cells are normally able to reproduce entirely by themselves. But we have discovered that in about one-third of the dividing cells ofEntamoeba invadenscontraction of the cleavage furrow may stop before separation is complete. We show here that the connected daughter cells overcome this problem by calling upon a neighbouring amoeba to help them achieve the final stage of division. The 'midwife' cell is chemotactically recruited for this mechanical intervention in what is a surprising example of primitive cooperation.