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The use of two-dimensional gradient plates in determining the responses of non-sulphur purple bacteria to pH and NaCl concentration |
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| Authors: | Julian W.T. Wimpenny Howard Gest Jeffrey L. Favinger |
| Affiliation: | Department of Microbiology, University College, Newport Road, Cardiff, CF2 1TA, Wales, U.K.;Photosynthetic Bacteria Group, Biology Department, Indiana University, Bloomington, IN 47405, U.S.A. |
| Abstract: | Abstract Chemical gradients can easily be established in agar gels to test behaviour of bacteria in respect to two variables. Agar plates with pH and NaCl gradients have provided a simple technique for useful comparison of heterotrophic bacteria and the present paper extends observations to non-sulphur purple photosynthetic bacteria. |
| Keywords: | Rhodopseudomonas sphaeroides pH sodium chloride purple photosynthetic bacterium 2-dimensional gradient plate |
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