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Selenocysteine: the 21st amino acid
The aim of this article is to review the events leading to the elucidation of selenocysteine as being the 21st amino acid. Expand
Nucleotide sequence and expression of the selenocysteine-containing polypeptide of formate dehydrogenase (formate-hydrogen-lyase-linked) from Escherichia coli.
The results are consistent with a co-translational selenocysteine incorporation mechanism. Expand
Escherichia coli genes whose products are involved in selenium metabolism.
The results strongly supports the notion that the pleiotropic fdh mutants analyzed possess a lesion in the gene(s) encoding the biosynthesis or the incorporation of selenocysteine in the formate dehydrogenase subunits of FDHN and FDHH. Expand
Cotranslational insertion of selenocysteine into formate dehydrogenase from Escherichia coli directed by a UGA codon.
Results indicate that the UGA codon at position 140 directs the cotranslational insertion of selenocysteine into the fdhF polypeptide chain. Expand
Forecasting airborne pollen concentrations: Development of local models
People's sensitivity to allergies may representone of the most important health factors of thenext century to which attention must be paid inorder to reduce the incidence of social costsand improveExpand
Features of the formate dehydrogenase mRNA necessary for decoding of the UGA codon as selenocysteine.
The fdhF gene encoding the 80-kDa selenopolypeptide subunit of formate dehydrogenase H from Escherichia coli contains an in-frame TGA codon at amino acid position 140, which encodes selenocysteine.Expand
On the redox control of synthesis of anaerobically induced enzymes in enterobacteriaceae
Redox control of the synthesis of hydrogenase and formate dehydrogenase acts at the level of transcription; the size of the redox potential seems to be correlated with the amount of repression; β-galactosidase synthesis in the hyd:: lac and fdh::lac fusion strains is induced by formate. Expand
Factors affecting transcriptional regulation of the formate-hydrogen-lyase pathway of Escherichia coli
The transcription of both the fdhF gene and the hydrogenase-3-encoding systems is independent of the presence of a wild-type fnr gene when formate is present, supporting the view that the Fnr effect on the formation of the formate-hydrogen-lyase pathway is indirect. Expand
The seleno-polypeptide of formic dehydrogenase (formate hydrogen-lyase linked) from Escherichia coli: genetic analysis
The site of integration of phage Mu d (Ap lac) in mutant M9s which leads to deficiency of formic dehydrogenase (benzylviologen-linked) activity was determined. It was shown that the phage hadExpand
Detection of changes in the summer precipitation time series of the region Emilia-Romagna, Italy
Summary The main characteristics of the spatial and temporal variability of summer precipitation observed in 40 rainfall stations of the Emilia-Romagna region in northern Italy, are analysed for theExpand