与其他细胞器相比,染色体更像晶体

IF 2.1 4区 生物学 Q2 Agricultural and Biological Sciences Caryologia Pub Date : 2024-02-29 DOI:10.36253/caryologia-2332
Antonio Lima-De-Faria
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引用次数: 0

摘要

细胞中的一些细胞器,如线粒体和叶绿体,受到一层或几层膜的限制,而其他细胞器,如核糖体和核小体则没有膜。它们的形状由内部原子的一致性决定。矿物晶体没有由独立原子构建的限定膜。原子自组装决定了它的形态。值得注意的是,在光镜和电子显微镜下看到的染色体没有外膜限制其形态。它的模式也是由其 DNA、RNA 和蛋白质的原子构型的内在一致性决定的。从原子构型上看,染色体似乎处于矿物晶体和细胞器之间的中间位置。
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The chromosome resembles more a crystal than other cell organelles
Several organelles in the cell, such as mitochondria and chloroplasts, are limited by one or several membranes, whereas others, like ribosomes and nucleoli have no membranes. Their shape is decided by their inner atomic coherence. The mineral crystal has no delimiting membranes built by separate atoms. Atomic self-assembly determines its pattern. Remarkable is that the chromosome has no outer membrane limiting its pattern as seen in the light and electronic microscopes. Its pattern is also decided by the inner coherence of the atomic configuration of its DNA, RNA, and proteins. The chromosome appears to occupy an intermediate position between a mineral crystal and a cell organelle when its atomic configuration is considered.
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来源期刊
Caryologia
Caryologia 生物-遗传学
CiteScore
1.60
自引率
23.80%
发文量
26
审稿时长
12 months
期刊介绍: Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.
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