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Bioresources and Bioprocessing
Fig. 5 | Bioresources and Bioprocessing

Fig. 5

From: A novel thermophilic chitinase directly mined from the marine metagenome using the deep learning tool Preoptem

Fig. 5

Degradation of crude chitin powder by Chi304 and the antibacterial activity of the chitooligosaccharides products. A Accumulation of degraded crude chitin powder under exposure to Chi304. B TLC detection of crude chitin powder hydrolysis; S, 50 mg mL−1 (GlcNAc)1–5 mixed standard. C HPLC detection of crude chitin powder hydrolysis; standard, 1 mg mL−1 (GlcNAc)1–3 mixed standard. D Yields of reducing sugars produced by crude chitin powder degradation. E Zones of inhibition produced by different concentrations of chitosan oligosaccharides. Zones 1–6 had 0, 25, 50, 75, 100, and 125 mg mL−1 chitosan oligosaccharides, respectively. F, G Linear relationship between chitosan oligosaccharide concentration and the diameter of inhibition zone for F B. subtilis WB600 and G Xanthomonas sp

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