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. 2019 Sep 10;18:153. doi: 10.1186/s12934-019-1208-8

Fig. 2.

Fig. 2

Silver (left) and activity (right) stained SDS-gels of the buffer supernatants obtained after 3 h of incubation of Lactobacillus hordei TMW 1.1822 at different pH (setup A); negative control (−), marker (M)