Takashi Hirashima
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View article: Oligomer-based functions of mitochondrial porin
Oligomer-based functions of mitochondrial porin Open
View article: Compositional Flexibility of the ER-Mitochondria Encounter Structure
Compositional Flexibility of the ER-Mitochondria Encounter Structure Open
Yeast mitochondria receive the majority of their lipids from the endoplasmic reticulum (ER) via the heterotetrameric ERMES lipid transport complex. This complex is thought to establish a lipid transporting tube of fixed composition spannin…
View article: Chloroplasts with clefts and holes: a reassessment of the chloroplast shape using 3D FE-SEM cellular reconstruction of two species of Chlamydomonas
Chloroplasts with clefts and holes: a reassessment of the chloroplast shape using 3D FE-SEM cellular reconstruction of two species of Chlamydomonas Open
Chloroplasts are usually considered spheroid organelles, but this is not the only shape of chloroplasts. The chloroplast of Chlamydomonas has been typically described as cup-shaped. However, in old studies, it was also modeled as a complex…
View article: Two domains of Tim50 coordinate translocation of proteins across the two mitochondrial membranes
Two domains of Tim50 coordinate translocation of proteins across the two mitochondrial membranes Open
Hundreds of mitochondrial proteins with N-terminal presequences are translocated across the outer and inner mitochondrial membranes via the TOM and TIM23 complexes, respectively. How translocation of proteins across two mitochondrial membr…
View article: Content-based Retrieval of 3D CAD Subassemblies Using 3D Radon Transform
Content-based Retrieval of 3D CAD Subassemblies Using 3D Radon Transform Open
We propose a content-based method for retrieving the 3D CAD assemblies which contain or are contained in the assembly given as a query from a database. The retrieval is based on ranking assemblies in the database according to their content…
View article: Specific Incorporation of Polyunsaturated Fatty Acids into the sn-2 Position of Phosphatidylglycerol Accelerates Photodamage to Photosystem II under Strong Light
Specific Incorporation of Polyunsaturated Fatty Acids into the sn-2 Position of Phosphatidylglycerol Accelerates Photodamage to Photosystem II under Strong Light Open
Free fatty acids (FFAs) are generated by the reaction of lipases with membrane lipids. Generated polyunsaturated fatty acids (PUFAs) containing more than two double bonds have toxic effects in photosynthetic organisms. In the present study…
View article: Membrane lipid remodeling is required for photosystem II function under low CO<sub>2</sub>
Membrane lipid remodeling is required for photosystem II function under low CO<sub>2</sub> Open
Summary Membrane lipid remodeling in plants and microalgae has a crucial role in their survival under nutrient‐deficient conditions. Aquatic microalgae have low access to CO 2 , an essential carbon source for photosynthetic assimilates; ho…
View article: Long-Chain Saturated Fatty Acids, Palmitic and Stearic Acids, Enhance the Repair of Photosystem II
Long-Chain Saturated Fatty Acids, Palmitic and Stearic Acids, Enhance the Repair of Photosystem II Open
Free fatty acids (FFA) generated in cyanobacterial cells can be utilized for the biodiesel that is required for our sustainable future. The combination of FFA and strong light induces severe photoinhibition of photosystem II (PSII), which …
View article: A Retrieval Method for 3D CAD Assembly Models Using 3D Radon Transform and Spherical Harmonic Transform
A Retrieval Method for 3D CAD Assembly Models Using 3D Radon Transform and Spherical Harmonic Transform Open
We present a retrieval method for 3D CAD assemblies consisted of multiple components. The proposed method distinguishes not only shapes of 3D CAD assemblies but also layouts of their components. Similarity between two assemblies is compute…
View article: Draft Genome Sequences of Four Species of <i>Chlamydomonas</i> Containing Phosphatidylcholine
Draft Genome Sequences of Four Species of <i>Chlamydomonas</i> Containing Phosphatidylcholine Open
Phosphatidylcholine (PC) is one of the essential phospholipids for most eukaryotes. Although the model green alga Chlamydomonas reinhardtii lacks PC, four species containing PC were found in the genus Chlamydomonas . Here, we report the dr…
View article: Diverse pathways of phosphatidylcholine biosynthesis in algae as estimated by labeling studies and genomic sequence analysis
Diverse pathways of phosphatidylcholine biosynthesis in algae as estimated by labeling studies and genomic sequence analysis Open
Summary Phosphatidylcholine ( PC ) is an almost ubiquitous phospholipid in eukaryotic algae and plants but is not found in a few species, for example Chlamydomonas reinhardtii . We recently found that some species of the genus Chlamydomona…