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Open AccessArticle

Extraction, Identification, Modification, and Antibacterial Activity of Histone from Immature Testis of Atlantic salmon

College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
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Author to whom correspondence should be addressed.
Mar. Drugs 2020, 18(3), 133; https://doi.org/10.3390/md18030133
Received: 18 January 2020 / Revised: 21 February 2020 / Accepted: 23 February 2020 / Published: 26 February 2020
In the present study, histone from immature testis of Atlantic salmon was extracted and identified, and its antibacterial activity after enzymolysis was investigated. Histone extracted from Atlantic salmon (Salmo salar) testis using the acid extraction method was successfully identified by LC-MS/MS, and revealed significant inhibitory activity on both the Gram-negative and Gram-positive bacteria. With a low concentration of 10 mg/mL, the observed inhibitory zone diameter (IZD) could significantly reach up to 15.23 mm. After modification of enzymatic hydrolysis by pepsin, histone could be digested to three fragments, while the antibacterial activity increased up to 57.7%. All the results suggested the leftovers from commercial fishing could be utilized for the extraction of antimicrobial peptides. View Full-Text
Keywords: Atlantic salmon (Salmo salar); histone; extraction; antibacterial activity; enzymatic hydrolysis Atlantic salmon (Salmo salar); histone; extraction; antibacterial activity; enzymatic hydrolysis
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Fu, B.; Lin, H.; Ramesh Pavase, T.; Mi, N.; Sui, J. Extraction, Identification, Modification, and Antibacterial Activity of Histone from Immature Testis of Atlantic salmon. Mar. Drugs 2020, 18, 133.

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