ISOLATION AND CHARACTERIZATION OF NEW PEPTIDE ANTIBIOTICS, PLUSBACINS A1-SIMILAR-TO-A4 AND B1-SIMILAR-TO-B4

被引:41
作者
SHOJI, J [1 ]
HINOO, H [1 ]
KATAYAMA, T [1 ]
MATSUMOTO, K [1 ]
TANIMOTO, T [1 ]
HATTORI, T [1 ]
HIGASHIYAMA, I [1 ]
MIWA, H [1 ]
MOTOKAWA, K [1 ]
YOSHIDA, T [1 ]
机构
[1] SHIONOGI & CO LTD,SHIONOGI RES LAB,FUKUSHIMA KU,OSAKA 553,JAPAN
关键词
D O I
10.7164/antibiotics.45.817
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
New antibiotics, plusbacins A1 approximately A4 and B1 approximately B4, were isolated from the culture broth of a strain of Pseudomonas sp. These antibiotics were isolated as a complex by column chromatographies on Diaion HP-20 and silica gel, and then separated by HPLC. They are amphoteric in nature. The hydrochlorides are obtained as colorless powders, soluble in methanol and alkaline water. From their physico-chemical properties, these antibiotics are presumed to be acyloctapeptides containing a lactone linkage, and their differences occur in amino acid and fatty acid residues. The antibiotics are active against Gram-positive bacteria in vitro and in vivo.
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收藏
页码:817 / 823
页数:7
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