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Occurrence and prevalence of Cronobacter spp. in plant and animal derived food sources: a systematic review and meta-analysis

Overview of attention for article published in SpringerPlus, September 2015
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Title
Occurrence and prevalence of Cronobacter spp. in plant and animal derived food sources: a systematic review and meta-analysis
Published in
SpringerPlus, September 2015
DOI 10.1186/s40064-015-1324-9
Pubmed ID
Authors

Norrakiah Abdullah Sani, Olumide A. Odeyemi

Abstract

Cronobacter species are motile, non-spore forming, Gram negative emerging opportunistic pathogens mostly associated with bacteremia, meningitis, septicemia, brain abscesses and necrotizing enterocolitis in infected neonates, infants and immunocompromised adults. Members of the genus Cronobacter are previously associated with powdered infant formula although the main reservoir and routes of contamination are yet to be ascertained. This study therefore aim to summarize occurrence and prevalence of Cronobacter spp. from different food related sources. A retrospective systematic review and meta-analysis of peer reviewed primary studies reported between 2008 and 2014 for the occurrence and prevalence of Cronobacter spp. in animal and plant related sources was conducted using "Cronobacter isolation", "Cronobacter detection" and "Cronobacter enumeration" as search terms in the following databases: Web of Science (Science Direct) and ProQuest. Data extracted from the primary studies were then analyzed with meta-analysis techniques for effect rate and fixed effects was used to explore heterogeneity between the sources. Publication bias was evaluated using funnel plot. A total of 916 articles were retrieved from the data bases of which 28 articles met inclusion criteria. Cronobacter spp. could only be isolated from 103 (5.7 %) samples of animal related food while 123 (19 %) samples of plant related food samples harbors the bacteria. The result of this study shows that occurrence of Cronobacter was more prevalent in plant related sources with overall prevalence rate of 20.1 % (95 % CI 0.168-0.238) than animal originated sources with overall prevalence rate of 8 % (95 % CI 0.066-0.096). High heterogeneity (I (2) = 84) was observed mostly in plant related sources such as herbs, spices and vegetables compared to animal related sources (I (2) = 82). It could be observed from this study that plant related sources serve as reservoir and contamination routes of Cronobacter spp.

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Geographical breakdown

Country Count As %
Unknown 40 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 20%
Student > Bachelor 7 18%
Student > Postgraduate 4 10%
Student > Doctoral Student 3 8%
Researcher 3 8%
Other 6 15%
Unknown 9 23%
Readers by discipline Count As %
Agricultural and Biological Sciences 13 33%
Biochemistry, Genetics and Molecular Biology 2 5%
Social Sciences 2 5%
Medicine and Dentistry 2 5%
Immunology and Microbiology 2 5%
Other 7 18%
Unknown 12 30%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 October 2015.
All research outputs
#20,293,238
of 22,829,683 outputs
Outputs from SpringerPlus
#1,460
of 1,850 outputs
Outputs of similar age
#230,517
of 274,661 outputs
Outputs of similar age from SpringerPlus
#97
of 121 outputs
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