某些固氮细菌在解除固氮酶阻遏和阻遏过程中鸟苷5'-二磷酸3'-二磷酸（ppGpp）的相对水平。
Relative levels of guanosine 5'-diphosphate 3'-diphosphate (ppGpp) in some N2 fixing bacteria during derepression and repression of nitrogenase.
作者信息
Kleiner D, Phillips S
出版信息
Arch Microbiol. 1981 Jan;128(3):341-2. doi: 10.1007/BF00422542.
PMID:7011243
Abstract
Addition of ammonium to N2 fixing cultures of Azotobacter vinelandii, Klebsiella pneumoniae and Clostridium pasteurianum rapidly reduced the intracellular levels of guanosine 5'-diphosphate 3'-diphosphate (ppGpp) by 70-90%. This change might reflect a regulatory role of ppGpp in nitrogen metabolism.
摘要
向棕色固氮菌、肺炎克雷伯氏菌和巴氏梭菌的固氮培养物中添加铵会迅速使鸟苷5'-二磷酸3'-二磷酸（ppGpp）的细胞内水平降低70-90%。这种变化可能反映了ppGpp在氮代谢中的调节作用。
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