Single-Membrane-Bound Organelles: Division and Inheritance

Yagisawa, Fumi; Imoto, Yuuta; Fujiwara, Takayuki; Miyagishima, Shin-ya

doi:10.1007/978-981-10-6101-1_15

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2020

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“…The C. merolae genome encodes homologs for 11 ESCRT proteins and ALIX (Table 1). We refer to these homologs according to the names of mammalian proteins except for the homolog of mammalian CHMP5, CHMP5/VIG1 (Vacuolar inheritance gene 1), which was previously characterized in C. merolae (Fujiwara et al, 2010;Yagisawa et al, 2018). To understand ESCRT functions in cytokinesis, we first examined the localization of ESCRT-III, the structure most directly involved in membrane deformation.…”

Section: Resultsmentioning

confidence: 99%

ESCRT Machinery Mediates Cytokinetic Abscission in the Unicellular Red Alga Cyanidioschyzon merolae

Yagisawa

Fujiwara

Takemura

et al. 2020

Front. Cell Dev. Biol.

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Yagisawa et al. ESCRT Functions in Algal Cytokinesis perturbed by expressing dominant-negative VPS4, cells with an elongated intercellular bridge accumulated-a phenotype resulting from abscission failure. Our results show that ESCRT mediates cytokinetic abscission in C. merolae. The fact that ESCRT plays a role in cytokinesis in archaea, animals, and early diverged alga C. merolae supports the hypothesis that the function of ESCRT in cytokinesis descended from archaea to a common ancestor of eukaryotes.

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Section: Resultsmentioning

confidence: 99%