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. 2005 Jul;71(7):3987–3994. doi: 10.1128/AEM.71.7.3987-3994.2005

FIG. 3.

FIG. 3.

(A and B) Combined MAR and FISH images showing uptake of 14C-labeled microbial products derived from nitrifying bacteria by Chloroflexi in the cultures without NH4+ (A) and with NH4+ (B) at day 3. (C and D) Uptake of 14C-labeled microbial products derived from nitrifying bacteria by the members of CF cluster in the cultures with NH4+ (C) and without NH4+ (D) at day 10. In situ hybridizations were performed with a combination of the FITC-labeled mixed EUB338 probes (green) and TRITC-labeled probes GNSB-941 and CFX1223 (A and B) and with a combination of FITC-labeled mixed EUB338 probes (green) and probe CF319a/b (C and D) (red). Bars = 10 μm. MAR++, strongly MAR positive; MAR+, weakly MAR positive; MAR−, MAR negative.