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A dinokaryon is a eukaryotic nucleus present in dinoflagellates in which the chromosomes are fibrillar in appearance (i.e. with unmasked DNA fibrils) and are more or less continuously condensed. The nuclear envelope does not break down during mitosis, which is thus termed closed mitosis, or "dinomitosis". The mitotic spindle is extranuclear.

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  • Dinokaryon (en)
  • Динокарион (ru)
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  • Динокарион — эукариотическое ядро, в котором отсутствуют гистоны, а хромосомы постоянно находятся в конденсированном состоянии. Такой способ организации ядра присущ динофлагеллятам. Ядерная мембрана сохраняется на протяжении всего митоза. Митоз закрытый. Веретено деления экстрануклеарное. Гистоны отсутствуют. Тем не менее, недавнее исследование экспрессии генов выявило присутствие гистонов у видов, рано отделившихся от основной ветви динофлагеллят: и (ru)
  • A dinokaryon is a eukaryotic nucleus present in dinoflagellates in which the chromosomes are fibrillar in appearance (i.e. with unmasked DNA fibrils) and are more or less continuously condensed. The nuclear envelope does not break down during mitosis, which is thus termed closed mitosis, or "dinomitosis". The mitotic spindle is extranuclear. (en)
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  • A dinokaryon is a eukaryotic nucleus present in dinoflagellates in which the chromosomes are fibrillar in appearance (i.e. with unmasked DNA fibrils) and are more or less continuously condensed. The nuclear envelope does not break down during mitosis, which is thus termed closed mitosis, or "dinomitosis". The mitotic spindle is extranuclear. Histones are absent. However, recent EST sequencing has revealed the presence of histones in one of the closest relative to dinoflagellates, Perkinsus marinus and an early-branching dinoflagellate, Hematodinium sp. However, histone-like proteins of bacterial origins are found in the coding regions at periphery of the dinokaryon's chromosomes. (en)
  • Динокарион — эукариотическое ядро, в котором отсутствуют гистоны, а хромосомы постоянно находятся в конденсированном состоянии. Такой способ организации ядра присущ динофлагеллятам. Ядерная мембрана сохраняется на протяжении всего митоза. Митоз закрытый. Веретено деления экстрануклеарное. Гистоны отсутствуют. Тем не менее, недавнее исследование экспрессии генов выявило присутствие гистонов у видов, рано отделившихся от основной ветви динофлагеллят: и (ru)
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