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. 2008 Dec 12;75(3):802–810. doi: 10.1128/AEM.01992-08

FIG. 1.

FIG. 1.

Detection of nitrite reductase (nirK) genes in nirK-positive pure cultures by RING-FISH. Cells were hybridized with the homologous nirK polynucleotide probes and labeled with Cy3 (red fluorescence) or fluorescein (green fluorescence). (A and B) A. xylosoxidans NCIMB 11015. (C and D) H. aestuarii DSM 1564. (E and F) Pseudomonas sp. strain G-179. (G and H) S. meliloti Rm20115. The insets show the halo shape of the fluorescence signal. Panels B, D, F, and H are phase-contrast images. Bars = 10 μm.