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Increase in orf43 mRNA levels after exposure to 40 J.m-2 UV irradiation. Backgrounds analysed were AB1157 R391, AB1157 R391 ∆26 (∆orfs90/91) and AB1157 R391 ∆11 (∆orfs40/41). All results were normalised using the endogenous constitutively expressed proC gene. Average values were calculated from a minimum of 9 replicates for each strain analysed.
