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Images of Northern blots for sRNAs candidates with homology to D. geothermalis. The RNA samples were extracted from nonirradiated D. geothermalis exponential-phase (OD600 = 1) cell cultures, and the size was estimated relative to the phiX174/HinfI ladder. Some of the images of the ladder and the sRNA lanes are cut from the same gel in different parts, with the contrast being adjusted to show a clearer image.
