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Luminescent Systems in Apogonid Fishes from the Philippines
Luminescence has been discovered in five apogonid fishes from the Philippine Islands and all show a luciferin-luciferase type of reaction and cross-react with extracts of Apogon ellioti, Parapriacanthus ransonneti, and Cypridina hilgendorfii.
Preparation and taste of certain glycosides of flavanones and of dihydrochalcones.
Hesperetin DHC 4'-O-[2-O-(alpha-L-rhamnopyranosyl-beta- L-quinovoside] was 300 times sweeter than sucrose, while the other compounds were bitter or tasteless.
Crystal-line luciferin from live Cypridina.
Crystalline luciferin from a luminescent fish, Parapriacanthus beryciformes.
Crystallization of luciferin is resulted in from one of the two examples of luminescent fishes; namely, Parapriacanthus beryciformes and Apogon (marginatus) ellioti, which have yielded crude aqueous extracts of Luciferin and luciferase that emit light on mixing at room temperature.
Complete nucleotide sequence of a Japanese isolate of Chrysanthemum virus B (genus Carlavirus)
Multiple alignment and phylogenetic analyses indicated that the phylogenetic relationship among members of the genus Carlavirus is very diverse, with phlox virus S being the closest relative of CVB.
Synthesis of α-L-Mannopyranosyl-containing Disaccharides and Phenols as Substrates for the α-L-Mannosidase Activity of Commercial Naringinase
In order to clarify the substrate specificity of the α-L-mannosidase activity of naringinase (Sigma), the following disaccharides and phenol glycosides were freshly prepared: methyl
Syntheses of Isoflavones and Isoflavone Glycosides, and Their Inhibitory Activity against Bovine Liver β-Galactosidase.
To clarify the relationship between the structure and inhibitory action toward β-D-galactosidase, a number of polyhydroxyisoflavones and isoflavone glycosides, and the α-L-rhamnosides and β- L-quinovosides of daidzein and genistein were synthesized.