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'Synechococcus' in keywords Facet   Publication Year 1992  [X]
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1992[X]
1Author    Divya Mishra, Ahlert SchmidtRequires cookie*
 Title    Regulation and Partly Purification of the ATP-Sulfurylase from the Cyanobacterium Synechococcus 6301  
 Abstract    ATP-sulfurylase from the cyanobacterium Synechococcus 6301 was regulated in vivo during growth in batch culture. The activity was highest at the third day after inoculation, declining afterwards to a level found in resting cells. During growth with air supplemented with 2% CO, this activity increased 3-fold compared to controls grown with normal air as C 0 2 source. Addition o f either nitrite or urea enhanced ATP-sulfurylase activity about 2-fold, whereas cys­ teine and especially methionine decreased ATP-sulfurylase activity to 5% o f controls without treatment. The ATP-sulfurylase was purified by conventional techniques using D EAE-cellulose chro­ matography and further separation on blue sepharose achieving a 250-fold increase in the spe­ cific activity. An apparent o f 5 for APS and o f 40 |iM for pyrophosphate was deter­ mined with the purified enzyme fraction. 
  Reference    Z. Naturforsch. 47c, 95 (1992); received September 26 1991 
  Published    1992 
  Keywords    ATP-Sulfurylase, Cyanobacterium, Synechococcus, Sulfate A ctivation, Regulation 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0095.pdf 
 Identifier    ZNC-1992-47c-0095 
 Volume    47