EFFECTS OF GOLD(I) ANTIARTHRITIC DRUGS AND RELATED-COMPOUNDS ON PSEUDOMONAS-PUTIDA

被引：30
作者：
RHODES, MD
SADLER, PJ
SCAWEN, MD
SILVER, S
机构：
[1] UNIV LONDON, BIRKBECK COLL,DEPT CHEM,GORDON HOUSE,29 GORDON SQ, LONDON WC1H OPP, ENGLAND
[2] CTR APPL MICROBIOL & RES, SALISBURY, ENGLAND
[3] UNIV ILLINOIS, DEPT IMMUNOL & MICROBIOL, CHICAGO, IL 60680 USA
来源：
JOURNAL OF INORGANIC BIOCHEMISTRY | 1992年 / 46卷 / 02期
关键词：
D O I：
10.1016/0162-0134(92)80016-O
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The effects of the antiarthritic drugs aurothiomalate (AuTm), aurothioglucose (AuTg), auranofin, its metabolite triethylphosphinegold(I)thioglucose (Et3PAuTg), and several related complexes on the growth of Pseudomonas putida were studied. Two strains were used, one of which (BK135) was more sensitive to Et3PAuTg (tolerant up to 4-mu-M) than the other (BK403; tolerant to at least 500-mu-M). Gold thiolate complexes and thiolate ligands alone had little effect on growth. Gold phosphine complexes increased the length of the lag phase of growth and reduced oxygen uptake. Marked changes in cellular morphology were determined by electron microscopy. Copper(II) compounds and aurothiomalate were synergistic in their growth inhibitory effects towards these bacteria. Experiments with Au-195 suggested that a mechanism does not exist for the short term (minutes) uptake of gold by sensitive or resistant bacteria, but the resistant strain appeared to limit gold uptake over a longer term (hours).
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页码：129 / 142
页数：14
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