MAXIMUM GROWTH TEMPERATURE RANGES OF AEROMONAS SPP, ISOLATED FROM CLINICAL OR ENVIRONMENTAL SOURCES

被引：7

作者：

HANNINEN, ML ^{[1
]}

SALMI, S ^{[1
]}

SIITONEN, A ^{[1
]}

机构：

[1] NATL PUBL HLTH INST, HELSINKI, FINLAND

来源：

MICROBIAL ECOLOGY | 1995年 / 29卷 / 03期

关键词：

D O I：

10.1007/BF00164889

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Only a limited number of phenotypic tests are available for the differentiation of all 13 known hybridization groups (HG) of Aeromonas spp. These organisms have a wide spectrum of warm-blooded and cold-blooded hosts. In the present study, the maximum growth temperatures (t(max)) of the most common HGs of Aeromonas spp. originating from human fecal samples, food, water, and healthy and diseased fish were determined with a plate-type continuous temperature-gradient incubator. We observed that determination of the t(max) can be applied for differentiation of HG 1 from HG 2 and 3 (phenospecies A. hydrophila); HG 6 from HG 4, 5A, and 5B (phenospecies A. caviae); HG 7 from HG 8/10 (phenospecies A. sobria); and HG 11 from HG 8/10 (phenospecies A. veronii). HG 1, 4, 8/10, and 13 strains occurring also in human clinical samples had a high t(max), about 40 degrees C or higher. Hybridization group 2, 3, 5A, and 5B strains, which in most cases originated from water or food, had t(max) values in the range of about 36-39 degrees C, while HG 6, 7, and 11 had t(max) values in the range of about 33-37 degrees C. Fish pathogenic strains of A. salmonicida subsp. salmonicida and subsp. achromogenes had the lowest t(max) values from about 30 to 35 degrees C.

引用

页码：259 / 267

页数：9

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