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Fig. 1 | Microbial Cell Factories

Fig. 1

From: Identification and characterization of a strong constitutive promoter stnYp for activating biosynthetic genes and producing natural products in streptomyces

Fig. 1

Activity evaluation of promoter stnYp339 in S. albus J1074. The activity of promoter stnYp339 was evaluated with the XylE assay. XylE assay was performed using samples harvested after 24 h, 48 and 72 h culture. The activities of three promoters (ermEp*, kasOp* and SP44) were also detected and used for comparison. Statistical analyses were performed and marked (*, p ≤ 0.1; **, p ≤ 0.05; ***, p ≤ 0.01)

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Microbial Cell Factories

ISSN: 1475-2859

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