Influence of Stress on Faecal Carriage of<i>Clostridium perfringens</i>

Mullié, Catherine; Romond, Marie Bénédicte; Yazourh, Asmae; Libersa, Christian; Bezirtzoglou, Eugénie; Romond, C

doi:10.3402/mehd.v14i2.8223

Cited by 8 publications

(3 citation statements)

References 16 publications

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“…Moreover, acute stress causes mucin release from rat colon via activated neurons and mast cells by CRF (34). In several stressed conditions increased mucin secretion is a substrate for some proteolytic bacteria such as clostridia (30,35) or enteropathogenic Escherichia coli, Salmonella, and Helicobacter pylori (36). Severe food restriction generates stres for both host and microorganism in the gastrointesinal tract.…”

Section: Discussionmentioning

confidence: 99%

The effects of food restriction on some biochemical parameters and certain bacterial groups in the cecum in Sprague Dawley rats

Ünsal

Çötelioğlu

2007

Microbial Ecology in Health and Disease

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Objective: Moderate food restriction, such as a 20 Á40% reduction of the ad libitum intake without causing malnutrition, delays or prevents morphological and functional changes related to aging and overnutrition. This study was performed to evaluate the effects of moderate to severe food restriction (20%, 40%, and 60% of ad libitum intake) for 28 days on some bacterial groups in the cecum and certain biochemical variables in male Sprague Dawley rats. Materials and methods: One group was allowed free access to food (control), while the others were given food restricted to 20%, 40%, and 60% of the ad libitum consumption for 28 days. At the end of the experiment control and food-restricted animals were sacrificed and cecum weight, pH of cecal contents, and counts of total anaerobes, total aerobes, lactobacilli, and coliform bacteria in cecal contents were determined. Metabolic effects of food restriction were evaluated by analyzing some biochemical parameters in plasma and serum. Results: The effect of 60% restriction was severe; three animals died before the 28th day of experiment in this group. In general, biochemical variables did not change in 20% and 40% food-restricted groups. Although lactobacilli counts of the 20% and 40% restricted groups were significantly increased when compared with the 60% restricted group, none of the three groups were differed from the control group. Furthermore, the total aerobe bacteria counts of the 20% restricted group were significantly lower than those of the 60% restricted group. Conclusion: The results of this study suggest that restriction of food by 20% and 40% may affect cecal microbiota beneficially without causing considerable changes in the metabolism of the host, while 60% restriction causes dietary stress.

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Section: Discussionmentioning

confidence: 99%

The effects of food restriction on some biochemical parameters and certain bacterial groups in the cecum in Sprague Dawley rats

Ünsal

Çötelioğlu

2007

Microbial Ecology in Health and Disease

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“…In addition, Lactobacillus species were reported to be extremely sensitive to environmental factors such as diet, antibiotics and stress [19,24]. Stress has been shown to increase numbers of putrefactive bacteria within the gastrointestinal microflora, particularly of C. perfringens [25][26][27][28]. Environmental factors and personal hygiene habits are possibly involved in the population level of C. perfringens [19,25].…”

Section: Discussionmentioning

confidence: 99%

Development of human lactic acid (LAB) gastrointestinal microbiota in a Greek rural population

et al. 2008

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Abstract:In order to investigate the Lactic Acid Bacteria (LAB) of the gut, fecal samples were collected and analyzed from 120 healthy Greek volunteers ranging from age 1 to age 85, all of whom declared daily consumption of local fermented dairy products. LAB strains were isolated using selective media under aerobic or anaerobic conditions. Identification of the isolates was based on their growth patterns, morphological characteristics, and carbohydrate fermentation profiles. There was no significant difference in the abundance of were also recovered, mainly from the adults and elders rather than the children's group. Despite the above differences in LAB species observed mostly between the younger and the other two age groups, differences were also observed within all groups, indicating that healthy subjects of all ages are colonized by a diverse lactoflora in terms of total or dominant species.© Versita Warsaw and Springer-Verlag Berlin Heidelberg.

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“…Οι κοπρανώδεις μικροοργανισμοί είναι χαρακτηριστικοί δείκτες ποιότητος πολλών οικοσυστημάτων και μας παρέχουν γνώση για την πορεία της ποιότητος του οικοσυστήματος ( Bezirtzoglou et al 1990, 1996, 1997, Savvaidis et al 2001, Mullie 2002.…”

Section: όσον αφορά τις αναλύσεις των ψαριώνunclassified

Δονακίωση (vibrio spp.) σε μονάδες ιχθυοκαλλιεργειών

Νούσιας¹

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Θεωρώ καθήκον μου να εκφράσω τις θερμές ευχαριστίες μου στην κ. Ευγενία Μπεζιρτζόγλου, καθηγήτρια του Τμήματος Αγροτικής Ανάπτυξης του Δημοκρίτειου Πανεπιστήμιου Θράκης για την έμπειρη καθοδήγηση, την κατανόηση και την πολύτιμη βοήθεια που μου παρείχε καθόλη τη διάρκεια εκπόνησης της έρευνας αυτής. Ευχαριστώ, επίσης, την κ. Μαρία Κωνσταντή, επίκουρη καθηγήτρια της Ιατρικής Σχολής του Πανεπιστημίου Ιωαννίνων και τον κ. Ζαφείρη Άμπα, επίκουρο καθηγητή του Τμήματος Αγροτικής Ανάπτυξης του Δημοκρίτειου Πανεπιστήμιου Θράκης για τη βοήθεια τους στον αρχικό σχεδιασμό της έρευνας, την επιλογή της κατάλληλης μεθοδολογίας, τις εποικοδομητικές παρατηρήσεις τους και για την ηθική τους συμπαράσταση σε όλες τις φάσεις πραγματοποίησης της έρευνας. Θα ήθελα, επίσης, να ευχαριστήσω θερμά τον κ. Αθανάσιο Αλεξόπουλο, λέκτορα του Δημοκρίτειου Πανεπιστήμιου Θράκης για την πολύτιμη βοήθεια που μου παρείχε στη στατιστική ανάλυση και αξιολόγηση των αποτελεσμάτων. Παράλληλα, θα ήθελα να εκφράσω τις ευχαριστίες μου στην κ. Χρυσούλα Βόιδαρου, Δρ. Κτηνίατρο, για την βοήθεια της στον πειραματικό μέρος της έρευνας και τις μικροβιολογικές αναλύσεις νερών και ψαριών . Σε αυτόν τον τομέα πολύτιμη θεωρώ και τη συμβολή της κ. Κωνσταντίνας Φώτου, Παρασκευάστριας του Εργαστηρίου Μικροβιολογίας του Τ.Ε.Ι. Ηπείρου. Για τη βοήθεια τους στη Βιβλιογραφική αναζήτηση και τις εύστοχες παρατηρήσεις τους κατά τη διάρκεια διεξαγωγής της έρευνας , ευχαριστώ ιδιαίτερα τους κ.κ. Angelo Colorni, ερευνητή του

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Influence of Stress on Faecal Carriage ofClostridium perfringens

Cited by 8 publications

References 16 publications

The effects of food restriction on some biochemical parameters and certain bacterial groups in the cecum in Sprague Dawley rats

The effects of food restriction on some biochemical parameters and certain bacterial groups in the cecum in Sprague Dawley rats

Development of human lactic acid (LAB) gastrointestinal microbiota in a Greek rural population

Δονακίωση (vibrio spp.) σε μονάδες ιχθυοκαλλιεργειών

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