Comparative study of the response ofAzotobacter vinelandii andAcetobacter diazotrophicus to changes in pH

Protoplasma - Tập 183 - Trang 62-66 - 1994
R. H. Burris1
1Department of Biochemistry, University of Wisconsin-Madison, Madison, USA

Tóm tắt

Curves were established for the pH response of respiration on eleven substrates byAzotobacter vinelandii andAcetobacter diazotrophicus. With every substrate the optimal pH forA. diazotrophicus was lower than forA. vinelandii. The optimal hydrogen ion concentration forA. diazotrophicus was 5 fold to 365 fold greater than forA. vinelandii depending upon the substrate. In general,A. diazotrophicus supports respiration over a wider pH range than doesA. vinelandii.

Tài liệu tham khảo

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