title: Formation of extracellular alpha-amylase by Bacillus subtilis in relation to guanosine polyphosphates.
abstract: The kinetics of growth, extracellular alpha-amylase formation and pool sizes of guanosine polyphosphates (p)ppGpp and adenosine phosphates (ATP and AMP) were determined during discontinuous cultivation of Bacillus subtilis 44. The results indicate a positive involvement of (p)ppGpp in the regulation of the expression of the alpha-amylase gene.
mesh_terms: D000249:Adenosine Monophosphate / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism; D001412:Bacillus subtilis / Q000235:genetics / Q000254:growth & development / Q000378:metabolism*; D003470:Culture Media; D005285:Fermentation; D005809:Genes, Regulator; D006150:Guanine Nucleotides / Q000378:metabolism*; D006158:Guanosine Pentaphosphate / Q000378:metabolism*; D006159:Guanosine Tetraphosphate / Q000378:metabolism*; D000516:alpha-Amylases / Q000096:biosynthesis* / Q000235:genetics
chemical_list: D003470:Culture Media; D006150:Guanine Nucleotides; D006159:Guanosine Tetraphosphate; D006158:Guanosine Pentaphosphate; D000249:Adenosine Monophosphate; D000255:Adenosine Triphosphate; D000516:alpha-Amylases