Results 131 to 140 of about 1,634 (145)

Exopolyphosphate phosphatase and guanosine pentaphosphate phosphatase belong to the sugar kinase/actin/hsp70 superfamily

Trends in Biochemical Sciences, 1993
Jonathan Reizer, Aiala Reizer, Milton H Saier   +2 more
exaly   +4 more sources

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Guanosine tetra- and pentaphosphate analysis

Microchemical Journal, 1975
Abstract A system is presented that can separate and quantitate in picomole amounts various guanosine tetra and penta phosphates namely guanosine 5′ triphosphate, 3′ diphosphate (pppGpp), guanosine 5′ tetraphosphate (ppppG), and diguanosine 5′ tetraphosphate (GppppG).
Knox Van Dyke
exaly   +2 more sources

Determination of guanosine tetraphosphate (ppGpp) and adenosine pentaphosphate (pppApp) in various microorganisms by radioimmunoassay

Archives of Microbiology, 1981
The intracellular levels of ppGpp and pppApp in various microorganisms were determined by radioimmunoassay, with was of more accuracy and convenience than previous 32P-labeling method. ppGpp was detected in bacteria, actinomycetes, yeasts and fungi. pppApp was found in non-spore forming bacteria such as the genera Pseudomonas and Escherichia, fungi and
Yasutaro Hamagishi, Oki Toshikazu
exaly   +2 more sources

Functional characterization of Zymomonas mobilis exopolyphosphatase/guanosine pentaphosphate phosphohydrolase (PPX/GppA) protein

, 2017
Inorganic polyphosphate (poly-P) molecules are linear polymers of orthophosphate units linked by ‘high-energy’ phosphoanhydride bonds. In bacteria, poly-P is involved in many physiological processes such as cellular metabolism, growth, motility, ‘stress-responses’, virulence, quorum sensing and biofilm formation.
Watt, RM, Tang, NY, Lu, B
openaire   +2 more sources

Structure and Some Properties of the New Nucleotides (Adenosine Pentaphosphate, Guanosine Tetraphosphate and Inosine Pentaphosphate) Synthesized by Nucleotide Pyrophosphotransferase

Agricultural and Biological Chemistry, 1975
Yasutaro Hamagishi, Toyokazu Nishino, Nishino Toyokazu   +2 more
exaly   +2 more sources

Role of the aminoacyl end of transfer RNA in the allosteric control of guanosine pentaphosphate synthesis by the stringent factor-ribosome complex of Escherichia coli

Biochemistry, 1978
Gianni Chinali, James Ofengand
exaly   +4 more sources

Guanosine tetra- and pentaphosphate synthesis by bacterial stringent factor and eukaryotic ribosomes

Nature, 1977
AMINO acid starvation of rel+ bacteria1 results in a rapid pleiotropic response involving the cessation of stable RNA synthesis, a decrease in the rate of nucleoside transport, an altered pattern of mRNA synthesis, inhibition of phospholipid synthesis and increased protein turnover.
J W, Pollard, J, Parker
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Presence of diguanosine tri-, tetra-, and pentaphosphates in commercial samples of GTP and guanosine 5′-tetraphosphate

Analytical Biochemistry, 1988
Commercial samples of GTP and guanosine 5'-tetraphosphate were analyzed, with or without previous treatment with alkaline phosphatase, by high-pressure liquid chromatography on a Hypersil ODS column. They showed the presence of diguanosine 5',5"'-Pl,Pn-tri, tetra-, and pentaphosphates in varying amounts depending on the sample, but usually in ...
F, Buitrago, J, Canales, A, Sillero
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Altered specificity of synthesis of guanosine tetraphosphate (ppGpp) and pentaphosphate (pppGpp) by salt-washed ribosomes

Biochemical and Biophysical Research Communications, 1974
Abstract Salt-washed ribosomes from Escherichia coli , plus stringent protein, form more ppGpp than pppGpp from GTP at all times, but unwashed ribosomes are shown to synthesize primarily pppGpp as the initial product.
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Free 3′‐OH Group of the Terminal Adenosine of the tRNA Molecule Is Essential for the Synthesis in vitro of Guanosine Tetraphosphate and Pentaphosphate in a Ribosomal System from Escherichia coli

European Journal of Biochemistry, 1976
tRNAphe from yeast modified at the 3′‐terminal adenosine residue or missing part of its CpCpA end was investigated for its ability to participate in the synthesis of guanosine tetraphosphate and pentaphosphate using Escherichia coli ribosomes. Only tRNA containing complete CpCpA end and an intact ribose residue in the terminal adenosine was active in ...
M, Sprinzl, D, Richter
openaire   +2 more sources