Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water

The use of untreated water for drinking and other activities have been associated with intestinal and extraintestinal infections in humans due to Aeromonas species. In the present study aeromonads were isolated from 48.7% of 1,000 water samples obtained from wells and other miscellaneous sources. Ae...

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Main Authors: Khalifa Sifaw Ghenghesh, Abdelmula El-Ghodban, Rabia Dkakni, Salaheddin Abeid, Abdurazzaq Altomi, Tarhuni Abdussalam, Karoly Marialigeti
Format: Article
Language:English
Published: Fundação Oswaldo Cruz (FIOCRUZ) 2001-02-01
Series:Memorias do Instituto Oswaldo Cruz
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762001000200006
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author Khalifa Sifaw Ghenghesh
Abdelmula El-Ghodban
Rabia Dkakni
Salaheddin Abeid
Abdurazzaq Altomi
Tarhuni Abdussalam
Karoly Marialigeti
author_facet Khalifa Sifaw Ghenghesh
Abdelmula El-Ghodban
Rabia Dkakni
Salaheddin Abeid
Abdurazzaq Altomi
Tarhuni Abdussalam
Karoly Marialigeti
author_sort Khalifa Sifaw Ghenghesh
collection DOAJ
description The use of untreated water for drinking and other activities have been associated with intestinal and extraintestinal infections in humans due to Aeromonas species. In the present study aeromonads were isolated from 48.7% of 1,000 water samples obtained from wells and other miscellaneous sources. Aeromonas species were detected in 45% of samples tested in spring, 34.5% in summer, 48% in autumn and 60% of samples tested in winter. Speciation of 382 strains resulted in 225 (59%) being A. hydrophila, 103 (27%) A. caviae, 42 (11%) A. sobria and 11 (3%) atypical aeromonads. Of 171 Aeromonas strains tested for their haemolytic activity, 53%, 49%, 40% and 37% were positive in this assay using human, horse, sheep and camel erythrocytes respectively. The results obtained indicate that potentially enteropathogenic Aeromonas species are commonly present in untreated drinking water obtained from wells in Libya (this may also apply to other neighbouring countries) which may pose a health problem to users of such water supplies. In addition, ceftriaxone and ciprofloxacin are suitable drugs that can be used in the treatment of Aeromonas-associated infections, particularly in the immunocompromised, resulting from contact with untreated sources of water.
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spelling doaj.art-89f4d65bd695424c8cba885712a5c4392023-08-02T09:28:21ZengFundação Oswaldo Cruz (FIOCRUZ)Memorias do Instituto Oswaldo Cruz0074-02761678-80602001-02-0196216917310.1590/S0074-02762001000200006Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well waterKhalifa Sifaw GhengheshAbdelmula El-GhodbanRabia DkakniSalaheddin AbeidAbdurazzaq AltomiTarhuni AbdussalamKaroly MarialigetiThe use of untreated water for drinking and other activities have been associated with intestinal and extraintestinal infections in humans due to Aeromonas species. In the present study aeromonads were isolated from 48.7% of 1,000 water samples obtained from wells and other miscellaneous sources. Aeromonas species were detected in 45% of samples tested in spring, 34.5% in summer, 48% in autumn and 60% of samples tested in winter. Speciation of 382 strains resulted in 225 (59%) being A. hydrophila, 103 (27%) A. caviae, 42 (11%) A. sobria and 11 (3%) atypical aeromonads. Of 171 Aeromonas strains tested for their haemolytic activity, 53%, 49%, 40% and 37% were positive in this assay using human, horse, sheep and camel erythrocytes respectively. The results obtained indicate that potentially enteropathogenic Aeromonas species are commonly present in untreated drinking water obtained from wells in Libya (this may also apply to other neighbouring countries) which may pose a health problem to users of such water supplies. In addition, ceftriaxone and ciprofloxacin are suitable drugs that can be used in the treatment of Aeromonas-associated infections, particularly in the immunocompromised, resulting from contact with untreated sources of water.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762001000200006Aeromonaswaterhaemolysinerythrocytesantibiotics
spellingShingle Khalifa Sifaw Ghenghesh
Abdelmula El-Ghodban
Rabia Dkakni
Salaheddin Abeid
Abdurazzaq Altomi
Tarhuni Abdussalam
Karoly Marialigeti
Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water
Memorias do Instituto Oswaldo Cruz
Aeromonas
water
haemolysin
erythrocytes
antibiotics
title Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water
title_full Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water
title_fullStr Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water
title_full_unstemmed Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water
title_short Prevalence, species differentiation, haemolytic activity, and antibiotic susceptibility of aeromonads in untreated well water
title_sort prevalence species differentiation haemolytic activity and antibiotic susceptibility of aeromonads in untreated well water
topic Aeromonas
water
haemolysin
erythrocytes
antibiotics
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762001000200006
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