نتایج جستجو برای: aeromonas veronii
تعداد نتایج: 4741 فیلتر نتایج به سال:
Phenotypic characteristics were used to identify 189 Aeromonas strains isolated from human feces. One hundred forty-two of these strains were placed in 11 DNA hybridization groups, and the genetic and phenotypic data were compared. According to the criteria of Popoff, 66% of the strains were identified as Aeromonas caviae, 18% were identified as A. sobria, and 16% were identified as A. hydrophi...
BACKGROUND Species of the genus Aeromonas are native inhabitants of aquatic environments and have recently been considered emerging human pathogens. Although the gastrointestinal tract is by far the most common anatomic site from which aeromonads are recovered, their role as etiologic agents of bacterial diarrhea is still disputed. Aeromonas-associated diarrhea is a phenomenon occurring worldwi...
five common tetracycline resistance genes tet(a), tet(b), tet(m), tet(o) and tet(s) were studied by polymerase chain reaction in 100 bacteria isolated from iranian fish farms. in the antibiogram test most of the bacteria were either intermediately or completely resistant to tetracycline. nine isolates out of 46 aeromonas spp. contained either tet(a/m/s) resistant genes as follows: tet(a) in a. ...
It has been almost 10 years since a major review on the association of Aeromonas with human disease has been published. During that period the number of valid species in the genus has grown to 14, with a new family (Aeromonadaceae) established to house this genus. Despite this explosion in the number of new genomospecies, only five (Aeromonas hydrophila, A. caviae, A. veronii, A. jandaei, and A...
Aeromonas spp. are ubiquitous aquatic organisms, associated with multitude of diseases in several species of animals, including fishes and humans. In the present study, water samples from two ornamental fish culture systems were analyzed for the presence of Aeromonas. Nutrient agar was used for Aeromonas isolation, and colonies (60 No) were identified through biochemical characterization. Seven...
Cases of Aeromonas diarrhea have been described all over the world. The genus Aeromonas includes ca. 30 species, of which 10 have been isolated in association with gastroenteritis. The dominating species that account for ca. 96% of the identified strains are Aeromonas caviae, A. veronii, A. dhakensis, and A. hydrophila. However, the role of Aeromonas as a true enteropathogen has been questioned...
AeromonAs are Gram-negative, facultative-anaerobic, non-sporeforming, glucose-fermenting, oxidaseand catalase-positive rods (Martin-Carnahan and Joseph 2005). Apart from fish, which are widely reported hosts for Aeromonads, insects, crustaceans, reptiles, birds and mammals were also found to harbour Aeromonas species, both in healthy and disease state (Pearson and others 2000, Turutoglu and oth...
The outer membrane protein (OMP) composition (OMP typing) of 46 fecal Aeromonas strains from hybridization groups (HGs) 1 (A. hydrophila; n = 10), 4 (A. caviae; n = 16), and 8 (A. veronii; n = 20) were examined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis as a phenotypic typing method. Almost every isolate of HG-1 and HG-8 had a unique OMP profile, in contrast to isolates of HG-...
BACKGROUND Aeromonas sp. can now be considered relatively common enteropathogens due to the increase of diseases in humans. Aeromonas culicicola is a gram negative rod-shaped bacterium isolated for the first time from the mosquito mid-gut, but subsequently detected in other insects and waters also. Our previous study discovered that A. culicicola harbors three plasmids, which we designated as p...
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