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The Psb27 Assembly Factor Binds to the CP43 Complex of Photosystem II in the Cyanobacterium Synechocystis sp. PCC 68031[C][W][OA]
We have investigated the location of the Psb27 protein and its role in photosystem (PS) II biogenesis in the cyanobacterium Synechocystis sp. PCC 6803. Native gel electrophoresis revealed that Psb27Expand
Conserved Chloroplast Open-reading Frame ycf54 Is Required for Activity of the Magnesium Protoporphyrin Monomethylester Oxidative Cyclase in Synechocystis PCC 6803
Background: The cyclase step in chlorophyll biosynthesis remains uncharacterized. Results: Ycf54 forms a complex with other oxidative cyclase components, and a ycf54 mutant accumulates the cyclaseExpand
Long-Term Acclimation of the Cyanobacterium Synechocystis sp. PCC 6803 to High Light Is Accompanied by an Enhanced Production of Chlorophyll That Is Preferentially Channeled to Trimeric Photosystem
Cyanobacteria acclimate to high-light conditions by adjusting photosystem stoichiometry through a decrease of photosystem I (PSI) abundance in thylakoid membranes. As PSI complexes bind the majorityExpand
Phylogenetic analysis of coccidian parasites from invertebrates: search for missing links.
Apicomplexan parasites represent one of the most important groups of parasitic unicellular eukaryotes comprising such important human parasites such as Plasmodium spp. and Toxoplasma gondii.Expand
Strain of Synechocystis PCC 6803 with Aberrant Assembly of Photosystem II Contains Tandem Duplication of a Large Chromosomal Region
Cyanobacterium Synechocystis PCC 6803 represents a favored model organism for photosynthetic studies. Its easy transformability allowed construction of a vast number of Synechocystis mutantsExpand
Structure and function of the native and recombinant mitochondrial MRP1/MRP2 complex from Trypanosoma brucei.
The mitochondrial RNA-binding proteins (MRP) 1 and 2 play a regulatory role in RNA editing and putative role(s) in RNA processing in Trypanosoma brucei. Here, we report the purification of a highExpand
Inhibition of chlorophyll biosynthesis at the protochlorophyllide reduction step results in the parallel depletion of Photosystem I and Photosystem II in the cyanobacterium Synechocystis PCC 6803
In most oxygenic phototrophs, including cyanobacteria, two independent enzymes catalyze the reduction of protochlorophyllide to chlorophyllide, which is the penultimate step in chlorophyll (Chl)Expand
Violaxanthin inhibits nonphotochemical quenching in light‐harvesting antenna of Chromera velia
Non‐photochemical quenching (NPQ) is a photoprotective mechanism in light‐harvesting antennae. NPQ is triggered by chloroplast thylakoid lumen acidification and is accompanied by violaxanthinExpand
Lack of Phosphatidylglycerol Inhibits Chlorophyll Biosynthesis at Multiple Sites and Limits Chlorophyllide Reutilization in Synechocystis sp. Strain PCC 68031
The lack of lipid phosphatidylglycerol inhibits chlorophyll biosynthesis and induces accumulation of an aberrant protein complex containing monomeric PSI and CP43 antenna of PSII. The negativelyExpand
Kinyongia asheorum sp. n., a new montane chameleon from the Nyiro Range, northern Kenya (Squamata: Chamaeleonidae)
A new species of chameleon is described from the humid montane forests on Mt. Nyiro in northern Kenya. The new species is clearly distinct from its congeners by external morphology, especially theExpand
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