Hao Z, Yan L, Liu J, Song F, Zhang J, Li X. Extraction of antibiotic zwittermicin A from Bacillus thuringiensis by macroporous resin and silica gel column chromatography.
Biotechnol Appl Biochem 2014;
62:369-74. [PMID:
25099664 DOI:
10.1002/bab.1277]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 07/29/2014] [Indexed: 11/07/2022]
Abstract
To establish a production process capable of providing refined zwittermicin A (ZwA) on a large scale, the macroporous resin and silica gel column chromatography were used to separate and purify the antibiotic ZwA from the fermentation broth of Bacillus thuringiensis HD-1. The result of high-performance liquid chromatography-mass spectrometry after purification suggests that the samples of ZwA were of high purity, 89%, and the average yield was 20 mg L(-1). Erwinia herbicola LS005, Escherichia coli, Staphylococcus aureus, and Bacillus subtilis were used to assess the toxicity of ZwA. The antibiotic had strong antibacterial activity against E. herbicola LS005 and a color reaction with ninhydrin.
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