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Rice NON-YELLOW COLORING1 Is Involved in Light-Harvesting Complex II and Grana Degradation during Leaf Senescence[W]
The data collectively suggest that the identified SDR protein NYC1 plays essential roles in the regulation of LHCII and thylakoid membrane degradation during senescence. Expand
The sugar-metabolic enzymes aldolase and triose-phosphate isomerase are targets of glutathionylation in Arabidopsis thaliana: detection using biotinylated glutathione.
This work examined glutathionylated proteins in the suspension-cultured cells of Arabidopsis using biotinylated GSH, which identified two proteins as the key enzymes for sugar metabolism, triose-phosphate isomerase (TPI) and putative plastidic aldolase. Expand
Participation of Chlorophyll b Reductase in the Initial Step of the Degradation of Light-harvesting Chlorophyll a/b-Protein Complexes in Arabidopsis*
It is reported that chlorophyll b reductase, which catalyzes the first step of chlorophyLL b degradation, plays a central role in LHCII degradation, and that trimeric L HCII is a substrate of LHC II degradation. Expand
Identification of the 7-Hydroxymethyl Chlorophyll a Reductase of the Chlorophyll Cycle in Arabidopsis[W]
This study identifies the last remaining unknown enzyme responsible for the chlorophyll cycle. It shows that 7-HYDROXYMETHYL CHLOROPHYLL A REDUCTASE is a flavoprotein capable of carrying out aExpand
Conversion of Chlorophyll b to Chlorophyll a via 7-Hydroxymethyl Chlorophyll (*)
Observations suggest that chlorophyll b is converted to 7-hydroxymethyl chlorophyLL and then to chlorophylla a, both of which required ATP. Expand
Identification of a Novel Vinyl Reductase Gene Essential for the Biosynthesis of Monovinyl Chlorophyll in Synechocystis sp. PCC6803*
It is concluded that Slr1923 encodes the vinyl reductase or a subunit essential for monovinyl chlorophyll synthesis, a bioinformatics tool, which calculates the correlation coefficient between the distributions of a certain phenotype and genes among a group of organisms. Expand
Arabidopsis STAY-GREEN, Mendel’s Green Cotyledon Gene, Encodes Magnesium-Dechelatase
It is reported that Mendel’s green cotyledon gene, STAY-GREEN (SGR), encodes Mg-dechelatase, which is not only involved in chlorophyll degradation but also contributes to photosystem degradation. Expand
Treatment with edaravone, initiated at symptom onset, slows motor decline and decreases SOD1 deposition in ALS mice
The results indicate that edaravone was effective to slow symptom progression and motor neuron degeneration in the ALS model mice and these favorable actions might be attributable to the yet unidentified mechanism responsible for reducing the deposition of mutant SOD1. Expand
Chlorophyll b Reductase Plays an Essential Role in Maturation and Storability of Arabidopsis Seeds1[W]
Electron microscopic studies indicated that many small oil bodies appeared in the embryonic cotyledons of the nyc1/nol mutant; this finding indicates that the retention of chlorophyll affects the development of organelles in embryonic cells. Expand
Purification and characterization of pepsinogens from the gastric mucosa of African coelacanth, Latimeria chalumnae, and properties of the major pepsins.
From the phylogenetic comparison, coelacanth PG1 and PG2 appear to be evolutionally closer to tetrapod pepsinogens A than ray-finned fish pepsInogens A, consistent with the traditional systematics. Expand