Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables

Aim: This study was carried out to determine the prevalence, distribution, and identification of Salmonella serotypes in diarrheagenic infants and young animals, including sewage waste and fresh vegetables. Materials and Methods: A total of 550 samples were processed for the isolation of Salmonella...

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Main Authors: Amruta Nair, T. Balasaravanan, S. V. S Malik, Vysakh Mohan, Manesh Kumar, Jess Vergis, Deepak B. Rawool
Format: Article
Language:English
Published: Veterinary World 2015-05-01
Series:Veterinary World
Subjects:
Online Access:http://www.veterinaryworld.org/Vol.8/May-2015/20.pdf
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author Amruta Nair
T. Balasaravanan
S. V. S Malik
Vysakh Mohan
Manesh Kumar
Jess Vergis
Deepak B. Rawool
author_facet Amruta Nair
T. Balasaravanan
S. V. S Malik
Vysakh Mohan
Manesh Kumar
Jess Vergis
Deepak B. Rawool
author_sort Amruta Nair
collection DOAJ
description Aim: This study was carried out to determine the prevalence, distribution, and identification of Salmonella serotypes in diarrheagenic infants and young animals, including sewage waste and fresh vegetables. Materials and Methods: A total of 550 samples were processed for the isolation of Salmonella spp., using standard microbiological and biochemical tests. Further polymerase chain reaction (PCR) detection of Salmonella genus was carried out using self-designed primers targeting invA gene and thereafter identification of important serotypes namely Salmonella Enterica serovar Typhimurium, Salmonella Enterica serovar Enteritidis, Salmonella Enterica serovar Typhi was performed using published standardized multiplex PCR. Results: An overall low prevalence of 2.5% (14/550) was observed. The observed prevalence of Salmonella spp. in diarrheagenic infants was 1.2% (05/400), diarrheagenic young animals 4% (02/50), sewage waste 10% (05/50), and fresh vegetables 4% (02/50), respectively. In diarrheagenic infants, of the five Salmonella isolates identified, two were Salmonella Typhimurium, two Salmonella Enteritidis, and one was unidentified and hence designated as other Salmonella serovar. All the Salmonella isolates identified from diarrheagenic young animals and sewage waste belonged to other Salmonella serovar, whereas, of the two isolates recovered from fresh vegetables, one was identified as other Salmonella serovar, and one as Salmonella Typhimurium, respectively. Conclusion: Isolation of Salmonella spp. especially from sewage waste and fresh vegetable is a matter of great concern from public health point of view because these sources can accidentally serve as a potential vehicle for transmission of Salmonella spp. to animals and human beings.
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spelling doaj.art-672fe94f8017447785fe2432eb3726532022-12-21T22:36:13ZengVeterinary WorldVeterinary World0972-89882231-09162015-05-018566967310.14202/vetworld.2015.669-673Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetablesAmruta Nair0T. Balasaravanan1S. V. S Malik2Vysakh Mohan3Manesh Kumar4Jess Vergis 5Deepak B. Rawool6Division of Veterinary Public Health, Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India; amrutanairk@gmail.comDepartment of Biotechnology, Nehru Arts & Science College, Bharathiar University, Coimbatore, Tamil Nadu, India; balsarvan@rediffmail.comDivision of Veterinary Public Health, Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India; svsmalik@gmail.comDivision of Veterinary Public Health, Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India; vysakhmohanvet@gmail.comDivision of Veterinary Public Health, Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India; vetmanesh@gmail.comDivision of Veterinary Public Health, Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India; itzjessvergis@gmail.comDivision of Veterinary Public Health, Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India; deepak.rawool@yahoo.comAim: This study was carried out to determine the prevalence, distribution, and identification of Salmonella serotypes in diarrheagenic infants and young animals, including sewage waste and fresh vegetables. Materials and Methods: A total of 550 samples were processed for the isolation of Salmonella spp., using standard microbiological and biochemical tests. Further polymerase chain reaction (PCR) detection of Salmonella genus was carried out using self-designed primers targeting invA gene and thereafter identification of important serotypes namely Salmonella Enterica serovar Typhimurium, Salmonella Enterica serovar Enteritidis, Salmonella Enterica serovar Typhi was performed using published standardized multiplex PCR. Results: An overall low prevalence of 2.5% (14/550) was observed. The observed prevalence of Salmonella spp. in diarrheagenic infants was 1.2% (05/400), diarrheagenic young animals 4% (02/50), sewage waste 10% (05/50), and fresh vegetables 4% (02/50), respectively. In diarrheagenic infants, of the five Salmonella isolates identified, two were Salmonella Typhimurium, two Salmonella Enteritidis, and one was unidentified and hence designated as other Salmonella serovar. All the Salmonella isolates identified from diarrheagenic young animals and sewage waste belonged to other Salmonella serovar, whereas, of the two isolates recovered from fresh vegetables, one was identified as other Salmonella serovar, and one as Salmonella Typhimurium, respectively. Conclusion: Isolation of Salmonella spp. especially from sewage waste and fresh vegetable is a matter of great concern from public health point of view because these sources can accidentally serve as a potential vehicle for transmission of Salmonella spp. to animals and human beings.http://www.veterinaryworld.org/Vol.8/May-2015/20.pdfinv Aisolationmultiplex polymerase chain reactionSalmonella
spellingShingle Amruta Nair
T. Balasaravanan
S. V. S Malik
Vysakh Mohan
Manesh Kumar
Jess Vergis
Deepak B. Rawool
Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables
Veterinary World
inv A
isolation
multiplex polymerase chain reaction
Salmonella
title Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables
title_full Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables
title_fullStr Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables
title_full_unstemmed Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables
title_short Isolation and identification of Salmonella from diarrheagenic infants and young animals, sewage waste and fresh vegetables
title_sort isolation and identification of salmonella from diarrheagenic infants and young animals sewage waste and fresh vegetables
topic inv A
isolation
multiplex polymerase chain reaction
Salmonella
url http://www.veterinaryworld.org/Vol.8/May-2015/20.pdf
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