Vibrio harveyi: a significant pathogen of marine vertebrates and invertebrates

Austin, Brian; Zhang, Xiao‐Hua

doi:10.1111/j.1472-765x.2006.01989.x

Cited by 665 publications

(420 citation statements)

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“…Vibrio vulnificus and Vibrio parahaemolyticus cause severe illness in humans and are associated with consumption of contaminated seafood (3,4). Vibrio harveyi (5), Vibrio anguillarum (6, 7), and V. parahaemolyticus (8) continue to cause substantial economic losses to the aquaculture industry worldwide.…”

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confidence: 99%

Deep-sea hydrothermal vent bacteria related to human pathogenic Vibrio species

Hasan

Grim

Lipp

et al. 2015

Proc. Natl. Acad. Sci. U.S.A.

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Vibrio species are both ubiquitous and abundant in marine coastal waters, estuaries, ocean sediment, and aquaculture settings worldwide. We report here the isolation, characterization, and genome sequence of a novel Vibrio species, Vibrio antiquarius, isolated from a mesophilic bacterial community associated with hydrothermal vents located along the East Pacific Rise, near the southwest coast of Mexico. Genomic and phenotypic analysis revealed V. antiquarius is closely related to pathogenic Vibrio species, namely Vibrio alginolyticus, Vibrio parahaemolyticus, Vibrio harveyi, and Vibrio vulnificus, but sufficiently divergent to warrant a separate species status. The V. antiquarius genome encodes genes and operons with ecological functions relevant to the environment conditions of the deep sea and also harbors factors known to be involved in human disease caused by freshwater, coastal, and brackish water vibrios. The presence of virulence factors in this deep-sea Vibrio species suggests a far more fundamental role of these factors for their bacterial host. Comparative genomics revealed a variety of genomic events that may have provided an important driving force in V. antiquarius evolution, facilitating response to environmental conditions of the deep sea.W ith more than 110 recognized species, the genus Vibrio comprises a diverse group of heterotrophic bacteria, of which many are known pathogens, causing disease in animals and humans (1, 2). Vibrio cholerae is the most notorious because it is the causative agent of cholera. Vibrio vulnificus and Vibrio parahaemolyticus cause severe illness in humans and are associated with consumption of contaminated seafood (3, 4). Vibrio harveyi (5), Vibrio anguillarum (6, 7), and V. parahaemolyticus (8) continue to cause substantial economic losses to the aquaculture industry worldwide.Vibrios demonstrate a wide range of niche specialization: for example, free-living, attached to biotic and abiotic surfaces, and resident in both estuarine and marine habitats (9). The deep sea constitutes the largest habitat of the biosphere that supports microbial communities across three domains of life and represents an environment where physiochemical parameters-such as low temperature, high salinity, and high pressure-modulate community structure (10, 11). Several studies have shown the presence of physiologically, metabolically, and phylogenetically diverse mesophilic microbial communities in the deep sea, including Vibrio species (12-15). Barotolerant Vibrio spp. have been isolated from deep-sea sediment and from the gut microflora of invertebrates and fish collected from a variety of deepsea habitats, including hydrothermal vents (16,17). For example, strains of Vibrio, Aeromonas, and Pseudomonas spp. were isolated from mud-water samples collected at a depth of 4,940 m, 150 miles east of Cape Canaveral, Florida (18). Several culturedependent and -independent studies have confirmed the ubiquity of vibrios, and suggested Vibrio populations generally comprise approximately 1% (by molecular...

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confidence: 99%

Deep-sea hydrothermal vent bacteria related to human pathogenic Vibrio species

Hasan

Grim

Lipp

et al. 2015

Proc. Natl. Acad. Sci. U.S.A.

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“…It is found free-living in tropical marine waters and also commensally as a component of the gut microflora of marine animals. The bacterium is both a primary and an opportunistic pathogen of marine animals, triggering a lethal disease called luminous vibriosis (1), which affects marine fish and prawn-farming operations worldwide (2,3). V. harveyi is a fast growing bacterium under both aerobic and anaerobic conditions.…”

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Chitoporin from Vibrio harveyi, a Channel with Exceptional Sugar Specificity

Suginta

Chumjan

Mahendran

et al. 2013

Journal of Biological Chemistry

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Background: Vibrio harveyi chitoporin (VhChiP) was recently identified as a pore-forming channel responsible for chitooligosaccharide uptake through the outer membrane of V. harveyi. Results: Kinetic analysis revealed that VhChiP was several orders of magnitude more active than other known sugar-specific porins. Conclusion: VhChiP is a channel with exceptional sugar specificity. Significance: The high activity of VhChiP reflects an evolutionary adaptation required for V. harveyi to thrive under extreme aquatic conditions.

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“…Vibrio harveyi is a serious pathogen in shrimp farming. Even though a detailed understanding of its pathogenic attack on shrimp remains elusive, its extracellular products, including proteases, phospholipases, and hemolysins, are believed to be the dominant virulent factors (Austin and Zhang, 2006).…”

Section: Introductionmentioning

confidence: 99%

Comparative Biology of the Pentraxin Protein Family: Evolutionarily Conserved Component of Innate Immune System

Armstrong

2015

International Review of Cell and Molecular Biology

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Abstract.In addition to its roles in hemostasis and wound repair, the blood clot plays an underappreciated role in innate immunity, where the established clot serves as a barrier to microbial penetration into the internal milieu and where the early clot entraps and immobilizes microbes that have entered wounds to the integuments. In this report we document the behavior of the pathogenic gram-negative bacterium Vibrio harveyi that has been entrapped in the fabric of the extracellular blood clot of one of its target organisms, the Pacific white shrimp, Litopenaeus vannamei. The freshly entrapped bacteria are held tightly by the clot, losing even Brownian motility, but by 1 h post-entrapment, a fraction of the bacteria have established small domains of fibrinolysis that enlarge progressively, enabling bacteria to escape from the clot's embrace. Escape is dependent on the actions of both serine-and metallo-proteases released from the bacterial cells.

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Vibrio harveyi: a significant pathogen of marine vertebrates and invertebrates

Cited by 665 publications

References 54 publications

Deep-sea hydrothermal vent bacteria related to human pathogenic Vibrio species

Deep-sea hydrothermal vent bacteria related to human pathogenic Vibrio species

Chitoporin from Vibrio harveyi, a Channel with Exceptional Sugar Specificity

Comparative Biology of the Pentraxin Protein Family: Evolutionarily Conserved Component of Innate Immune System

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