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Sunlight exposure is known to affect mood, learning, and cognition. However, the molecular and cellular mechanisms remain elusive… Expand Vfr of Pseudomonas aeruginosa is 91% similar to the cAMP receptor protein (CRP) of Escherichia coli. Based on the high degree of… Expand ABSTRACT Crc (catabolite repression control) protein of Pseudomonas aeruginosa has shown to be involved in carbon regulation of… Expand Within the framework of an international project for the sequencing of the entire Bacillus subtilis genome, a 29 kb chromosome… Expand Abstract— This review covers the literature since 1980 on chemically and enzymatically generated electronically excited species… Expand Abstract Urocanase was purified 60-fold and crystallized from extracts of Pseudomonas putida. Crystalline preparations of the… Expand Abstract Salmonella typhimurium strain 15–59 can use l-histidine as a source of nitrogen, except when glucose is the major source… Expand Abstract In Bacillus subtilis a series of four enzymes is responsible for the degradation of l-histidine to ammonia, formamide… Expand Histidine ammonia lyase (histidase), urocanase, and the capacity to degrade formiminoglutamate, which are respectively involved… Expand Three different imidazole compounds are known to induce the enzymes that degrade histidine in Aerobackr aerogenes (l-4). Two of… Expand