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Proteome analysis of photoautotrophic and heterotrophic cells in a red alga Galdieria partita

ABSTRACT: Galdieria partita is a unicellular red alga which switches between photoautotrophic and heterotrophic growth depending on the presence or absence of sugar. In order to elucidate the characteristics of protein expression in G. partita cells under photoautotrophic and heterotrophic conditions, proteome analysis of cells under the two conditions was performed.

ORGANISM(S): Galdieria Partita

SUBMITTER: Shin-ya Miyagishima

PROVIDER: PXD058210 | JPOST Repository | Thu May 22 00:00:00 BST 2025

REPOSITORIES: jPOST

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			Action	DRS
	Gp_A1.mzML	Mzml
	Gp_A1.raw	Raw
	Gp_A2.mzML	Mzml
	Gp_A2.raw	Raw
	Gp_A3.mzML	Mzml

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Publications

Costs of photosynthesis and cellular remodeling in trophic transitions of the unicellular red alga Galdieria partita.

Yamashita Shota S Hirooka Shunsuke S Fujiwara Takayuki T Zhou Baifeng B Yagisawa Fumi F Tamashiro Kei K Murakami Hiroki H Awai Koichiro K Miyagishima Shin-Ya SY

Communications biology 20250607 1

As in plastid differentiation in land plants, some unicellular algae reversibly remodel photosynthetic plastids into a colorless heterotrophic state (bleaching) in the presence of organic carbon sources. To understand these mechanisms and their significance, we performed comparative omics analyses on the photoautotrophic and heterotrophic states and their transitions in the genetically tractable red alga Galdieria partita. Photoautotrophic cells require 1.5, 1.3 and 1.7 times more nitrogen, prot ...[more]

PMID: 40483364

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