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Micronoyau (Ciliés)

Le micronoyau, ou micronucléus, est le plus petit des deux noyaux cellulaires chez les Ciliés tels que les paramécies. Il se scinde en deux parties par mitose au cours de la division cellulaire et fournit le noyau du gamète qui donne par fusion le noyau du zygote à partir duquel sont formés les macronoyau et micronoyau du cycle de fission suivant[1],[2].

Notes et références

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  1. (en) William F. Diller, « Nuclear reorganization processes in Paramecium aurelia, with descriptions of autogamy and ‘hemixis’ », Journal of Morphology, vol. 59, no 1,‎ , p. 11-67 (DOI 10.1002/jmor.1050590103, lire en ligne)
  2. (en) T. M. Sonneborn, « Sex, Sex Inheritance and Sex Determination in Paramecium aurelia », Proceedings of the National Academy of Sciences of the United States of America, vol. 23, no 7,‎ , p. 378-385 (PMID 16588168, PMCID 1076944, DOI 10.1073/pnas.23.7.378, JSTOR 86806, Bibcode 1937PNAS...23..378S, lire en ligne)
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Micronoyau (Ciliés)
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