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Northern analysis of rbf transcription in UAMS-1. (A) Northern analysis with an rbf-specific probe. RNA was isolated from wild-type UAMS-1 (strain 6939), an rbf mutant (strain 6970), and an rbf overexpression strain (6933). Numbers to the left of the figure are the sizes of the indicated RNA bands (in kb). (B) Ethidium bromide-stained gel of RNAs, showing the relative level of rRNA in each preparation.
