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Article

HBD1 protein with a tandem repeat of two HMG-box domains is a DNA clip to organize chloroplast nucleoids in Chlamydomonas reinhardtii.

Proceedings of the National Academy of Sciences of the United States of America - 18 May 2021

Takusagawa Mari, Kobayashi Yusuke, Fukao Yoichiro, Hidaka Kumi, Endo Masayuki, Sugiyama Hiroshi, Hamaji Takashi, Kato Yoshinobu, Miyakawa Isamu, Misumi Osami, Shikanai Toshiharu, Nishimura Yoshiki

Abstract excerpt

Compaction of bulky DNA is a universal issue for all DNA-based life forms. Chloroplast nucleoids (chloroplast DNA-protein complexes) are critical for chloroplast DNA maintenance and transcription, thereby supporting photosynthesis, but their detailed structure remains enigmatic. Our proteomic analysis of chloroplast nucleoids of the green alga Chlamydomonas reinhardtii identified a protein (HBD1) with a tandem...

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Identifiers

PMID: 33975946
DOI: 10.1073/pnas.2021053118
PMCID: PMC8157925

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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