Dinochromosome Heterotermini with Telosomal Anchorages.

Nucleosomes / metabolism Histones / metabolism Dinoflagellida / metabolism Telomere / metabolism Nuclear Envelope / metabolism Chromosomes Mitosis
birefringent chromosomes cell cycle chromosome movement dinoflagellates

Journal

International journal of molecular sciences
ISSN: 1422-0067
Titre abrégé: Int J Mol Sci
Pays: Switzerland
ID NLM: 101092791

Informations de publication

Date de publication:
21 Oct 2024
Historique:
received: 29 08 2024
revised: 13 10 2024
accepted: 16 10 2024
medline: 26 10 2024
pubmed: 26 10 2024
entrez: 26 10 2024
Statut: epublish

Résumé

Dinoflagellate birefringent chromosomes (BfCs) contain some of the largest known genomes, yet they lack typical nucleosomal micrococcal-nuclease protection patterns despite containing variant core histones. One BfC end interacts with extranuclear mitotic microtubules at the nuclear envelope (NE), which remains intact throughout the cell cycle. Ultrastructural studies, polarized light and fluorescence microscopy, and micrococcal nuclease-resistant profiles (MNRPs) revealed that NE-associated chromosome ends persisted post-mitosis. Histone H3K9me3 inhibition caused S-G

Identifiants

DOI: 10.3390/ijms252011312 PMID: 39457094
pubmed: 39457094
pii: ijms252011312
doi: 10.3390/ijms252011312
pii:
doi:

Substances chimiques

Nucleosomes 0
Histones 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Auteurs

Alvin Chun Man Kwok (ACM)

Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.
ORCID: 0000-0002-5611-4512

Kosmo Ting Hin Yan (KTH)

Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

Shaoping Wen (S)

Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

Shiyong Sun (S)

Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.
ORCID: 0000-0001-5448-2701

Chongping Li (C)

Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

Joseph Tin Yum Wong (JTY)

Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

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Classifications MeSH

questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Structures de chromosome › Chromatine › Nucléosomes › Dinochromosome Heterotermini with Telosomal Anchorages.
questionsmedicales.fr › Acides aminés, peptides et protéines › Protéines › Nucléoprotéines › Histone › Dinochromosome Heterotermini with Telosomal Anchorages.
questionsmedicales.fr › Eucaryotes › Alveolata › Dinoflagellida › Dinochromosome Heterotermini with Telosomal Anchorages.
questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Structures de chromosome › Télomère › Dinochromosome Heterotermini with Telosomal Anchorages.
questionsmedicales.fr › Cellules › Structures cellulaires › Fractions subcellulaires › Membranes intracellulaires › Enveloppe nucléaire › Dinochromosome Heterotermini with Telosomal Anchorages.
questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Chromosomes › Dinochromosome Heterotermini with Telosomal Anchorages.
questionsmedicales.fr › Phénomènes génétiques › Division du noyau cellulaire › Mitose › Dinochromosome Heterotermini with Telosomal Anchorages.