Aeromonas allosaccharophila sp. nov., a new mesophilic member of the genus Aeromonas

Martínez‐Murcia, Antonio; Esteve, Consuelo; Garay, Esperanza; Collins, Matthew D.

doi:10.1016/0378-1097(92)90698-n

Cited by 66 publications

(78 citation statements)

References 23 publications

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“…The matrix of Oakey et al (1996), as a table of identi®cation tests and percentage probability of positive results for strains within each species, was revised using data from the following sources: Popoff and Ve Âron (1976), Allen et al (1983), Kuijper et al (1989), Altwegg et al (1990), Altwegg and Lu Èthy-Hottenstein (1991), Carnahan et al (1991a), Abbott et al (1992), Ka Èmpfer and Altwegg (1992), Martinez-Murcia et al (1992), Esteve et al (1995), Carnahan and Joseph (1993), Ali et al (1996), Janda et al (1996) and Huys et al (1997a,b). The matrix was modi®ed in four ways: deletion of tests with low species discrimination (resistance to O/129 at 10 lg, DNase, gelatin hydrolysis and growth at 37°C); inclusion of tests to improve speciation (DL DL-lactate utilization, gluconate oxidation and phenylalanine deaminase); addition of data for new species (A. allosaccharophila, A. encheleia and A. popof®i); and revision of test data for several species which were at signi®cant variance with published ®ndings.…”

Section: Modi®cation Of the Probability Data Matrixmentioning

confidence: 99%

Miniaturized tests for computer-assisted identification of motile Aeromonas species with an improved probability matrix

Carson¹,

Wagner²,

Wilson³

et al. 2001

J Appl Microbiol

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Aims: To develop miniaturized tests for the phenotypic identi®cation of motile Aeromonas species using an improved probability matrix. Methods and Results: Conventional tests were miniaturized for use in 96-well plates, and their performance assessed using 60 aeromonads comprising type and reference strains as well as clinical, ®sh and water isolates. A revised probability matrix for Aeromonas hybridization groups 1±14, including A. allosaccharophila, A. bestiarum, A. encheleia and A. popof®i, was developed. Using 26 tests, all the reference strains were correctly identi®ed with the revised probability matrix, and 80% of the isolates were correctly identi®ed at a Willcox probability level of 95%. Conclusions: The compact test format, coupled with a robust identi®cation matrix, provides a convenient basis for identifying motile aeromonads. Signi®cance and Impact of the Study: The identi®cation system for identifying aeromonads will be of use to medical and veterinary laboratories undertaking disease diagnosis.

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Section: Modi®cation Of the Probability Data Matrixmentioning

confidence: 99%

Miniaturized tests for computer-assisted identification of motile Aeromonas species with an improved probability matrix

Carson¹,

Wagner²,

Wilson³

et al. 2001

J Appl Microbiol

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“…Some spec-(14) (Carnahan et al 1991b), Aer. allosaccharophila (HG 15) ies have been implicated in several types of human infection: (Martinez-Murcia et al 1992), Aer. encheleia (HG 16) (Esteve septicaemia, pneumonia, gastroenteritis with diarrhoea, soft et al 1995) and recently, Aer.…”

Section: Introductionmentioning

confidence: 99%

Identification of Aeromonas strains of different origin to the genomic species level

Kaznowski

1998

J Appl Microbiol

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A . K AZ N OW SK I . 1998. A total of 71 Aeromonas strains was identified with established genomic species by DNA-DNA hybridization. The strains were isolated from diarrhoeal stools, dead and live fish, drinking, lake, river and sea water, municipal sewage and aluminium rolling emulsion. The strains were allocated to seven hybridization groups (HGs) but the majority belonged to HG 4 (42%), HG 8/10 (30%) and HG 3 (18%). All strains were examined by 136 phenotypic tests. Useful phenotypic characters for separation of Aeromonas HG 1-3 genospecies were: utilization of DLlactate, urocanic acid and growth at 40·5°C. Few phenotypic differences were detected between strains of HG 4, HG 5 and HG 6. Most isolates of the Aer. veronii biotype sobria (HG 8) showed a characteristic biochemical profile: positive V.P. (Voges-Proskauer) reaction, oxidation of gluconate, production of gas from glucose, susceptibility to cephalotin, no hydrolysis of elastin, arbutin and aesculin, and no acid production from L-arabinose, arbutin and salicin.

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“…Recently, ten species have been identified phenotypically: A. hydrophila, A. caviae (A. punctata), A. media, A. eucrenophila, A. sobria, A. jandaei, A. veronii, A. schubertii, A. trota and A. allosaccharophila [10,13]. Genetic methods differentiate 13 genetic species (hybridization groups, HGs).…”

Section: Introductionmentioning

confidence: 99%

Distribution ofAeromonasphenospecies and genospecies among strains isolated from water, foods or from human clinical samples

Hänninen

Siitonen

1995

Epidemiol. Infect.

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SUMMARYA total of 332 Aeromonas spp. originating from drinking water (n = 75), fresh water (n = 57), chicken and ground beef (107), human faecal samples in association with travelling (n = 49), human faecal samples not associated with travelling (n = 38), and six strains from human blood cultures were studied by phenotypic methods and by using analysis of ribopatterns as a molecular method for the identification of the 13 known hybridization groups (HGs). Also included were the reference strains of each HG. A. hydrophila HG 1, A. caviae HG 4 and A. veronii biotype sobria HG 8/10 were the most important genospecies identified in human faecal samples. A. hydrophila HG 2 and A. media HG 5B predominated in drinking water and A. hydrophila HG 2 and HG 3, A. media HG 5A and HG 5B predominated in fresh water. In drinking water only one isolate was A. hydrophila HG 1 and two isolates were A. caviae HG 4. Clinically important Aeromonas spp. HG 1 (A. hydrophila), HG 4 (A. caviae) and HG 8/10 (A. veronii biotype sobria) were common in chicken and ground beef. In contrast to the drinking water samples, HG 5A was common in chicken and ground beef samples. Atypical, unidentified isolates were most often found in fresh water samples (12/57 strains). Although water has been suspected of being an important source of human aeromonas infections, clinically important HGs were found to be in the minority among Aeromonas spp. identified in drinking water or fresh water. The distribution of Aeromonas spp. HGs among drinking water, chicken and ground beef samples was also different, suggesting that contamination of meat or chicken may not originate from water.

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Aeromonas allosaccharophila sp. nov., a new mesophilic member of the genus Aeromonas

Cited by 66 publications

References 23 publications

Miniaturized tests for computer-assisted identification of motile Aeromonas species with an improved probability matrix

Miniaturized tests for computer-assisted identification of motile Aeromonas species with an improved probability matrix

Identification of Aeromonas strains of different origin to the genomic species level

Distribution ofAeromonasphenospecies and genospecies among strains isolated from water, foods or from human clinical samples

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