Pathogenic Vibrios in the Natural Aquatic Environment

Chakraborty, Soumen; Nair, G. Balakrish; Shinoda, Sumió

doi:10.1515/reveh.1997.12.2.63

Cited by 110 publications

(89 citation statements)

References 145 publications

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“…It has been demonstrated that vibrio species are pathogenic for humans, causing intestinal and extra-intestinal infections (21)(22)(23). Therefore, their detection as environmental contaminants is of a paramount importance for the control of both water quality and disease transmission (24,25).…”

Section: Discussionmentioning

confidence: 99%

Use of multiparameter analysis for Vibrio alginolyticus viable but nonculturable state determination

Albertini¹,

Accorsi²,

Teodori³

et al. 2006

Cytometry Pt A

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Background:Vibrio alginolyticus is known to enter into a viable but nonculturable (VBNC) state in response to environmental conditions unfavorable to the growth. Cells in VBNC condition pose a public health threat because they are potentially pathogenic.Methods:We constructed a pathway for the identification of the most significant variables and the characterization of those variables able to discriminate the groups under investigation. Different parameters measured by the image processing software were chosen as the most representative of V. alginolyticus cell morphology (length index for dimension) and metabolic activity (density profile indexes). To detect relationships between the groups of treatment performed, we carried out a principal components analysis (PCA).Results:The PCA analysis indicated that increasing coccoid shape transformation was related to both metabolic and dimension variations, delineating a well defined graph profile. Indeed, we discovered that specific morphological variations occur when cells in the culturable state pass into VBNC condition, namely comma‐shaped culturable bacteria are converted into coccoid‐shaped VBNC cells. The results were also supported by scanning electron microscopy analysis.Conclusions:This technique allows the analysis of a large number of vibrio samples in a short period of time. The obtained multiparameter information may complement genetic/molecular analyses facilitating, in an automatic fashion, further studies to evaluate the potential risk of this pathogen in the environment. It may also be a useful tool for large‐scale cell biology studies and high content screening. © 2006 International Society for Analytical Cytology

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Section: Discussionmentioning

confidence: 99%

Use of multiparameter analysis for Vibrio alginolyticus viable but nonculturable state determination

Albertini¹,

Accorsi²,

Teodori³

et al. 2006

Cytometry Pt A

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“…At least 12 species of the Vibrio genus are potentially pathogenic to humans [1]. Particularly Vibrio parahaemolyticus and Vibrio vulnificus, but also Vibrio alginolyticus and Vibrio cholerae are known as causative agents of seawater-related illnesses, such as seafood poisoning in association with gastrointestinal infections [2][3][4] and infections of wounds and mucous membranes [5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Temporal and Spatial Distribution Patterns of Potentially Pathogenic Vibrio spp. at Recreational Beaches of the German North Sea

Böer

Heinemeyer²,

Luden³

et al. 2013

Microb Ecol

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The number of reported Vibrio-related wound infections associated with recreational bathing in Northern Europe has increased within the last decades. In order to study the health risk from potentially pathogenic Vibrio spp. in the central Wadden Sea, the seasonal and spatial distribution of Vibrio vulnificus, Vibrio parahaemolyticus, Vibrio alginolyticus and Vibrio cholerae were investigated at ten recreational beaches in this area over a 2-year period. V. alginolyticus and V. parahaemolyticus were found to be omnipresent all year round in the study area, while V. vulnificus occurrence was restricted to summer months in the estuaries of the rivers Ems and Weser. Multiple linear regression models revealed that water temperature is the most important determinant of Vibrio spp. occurrence in the area. Differentiated regression models showed a species-specific response to water temperature and revealed a particularly strong effect of even minor temperature increases on the probability of detecting V. vulnificus in summer. In sediments, Vibrio spp. concentrations were up to three orders of magnitude higher than in water. Also, V. alginolyticus and V. parahaemolyticus were found to be less susceptible towards winter temperatures in the benthic environment than in the water, indicating an important role of sediments for Vibrio ecology. While only a very small percentage of tested V. parahaemolyticus proved to be potentially pathogenic, the presence of V. vulnificus during the summer months should be regarded with care.

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“…In cholera-endemic areas of developing countries where clean drinking water is not easily available, large numbers of people use environmental water sources Chakraborty et al, 1997;Nair et al, 2010 . It has, thus, been suggested that cholera can continue to spread because such water is contaminated by V. cholerae.…”

Section: Vibrio Choleraementioning

confidence: 99%

International Collaborative Research on Infectious Diseases by Japanese Universities and Institutes in Asia and Africa, with a Special Emphasis on J-GRID

Shinoda¹,

Imamura²,

Mizuno³

et al. 2015

Biocontrol Sci.

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In developed countries including Japan, malignant tumor cancer , heart disease and cerebral apoplexy are major causes of death, but infectious diseases are still responsible for a high number of deaths in developing countries, especially among children aged less than 5 years. World Health Statistics published by WHO reports a high percentage of mortality from infectious diseases in children, and many of these diseases may be subject to transmission across borders and could possibly invade Japan. This review article outlines project of J-GRID and CRCOUI which the authors carried out collaboratively with NICED staff members.

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Pathogenic Vibrios in the Natural Aquatic Environment

Cited by 110 publications

References 145 publications

Use of multiparameter analysis for Vibrio alginolyticus viable but nonculturable state determination

Use of multiparameter analysis for Vibrio alginolyticus viable but nonculturable state determination

Temporal and Spatial Distribution Patterns of Potentially Pathogenic Vibrio spp. at Recreational Beaches of the German North Sea

International Collaborative Research on Infectious Diseases by Japanese Universities and Institutes in Asia and Africa, with a Special Emphasis on J-GRID

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