Vibrio lentus protects gnotobiotic sea bass (Dicentrarchus labrax L.) larvae against challenge with Vibrio harveyi

Schaeck, Marlien; Duchateau, Luc; Broeck, Wim Van Den; Trappen, Stefanie Van; Vos, Paul De; Coulombet, Céline; Boon, Nico; Haesebrouck, Freddy; Decostere, Annemie

doi:10.1016/j.vetmic.2016.01.024

Cited by 20 publications

(21 citation statements)

References 36 publications

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“…On the other hand, bacterial species belonging to the genera Alteromonas , Bacillus , Microbacterium , Pseudoalteromonas , Pseudomonas , Shewanella , Streptococcus, and Vibrio have been used as probiotics in aquaculture (Aranda et al, ; Leyton et al, ; Martínez‐Cruz, Ibáñez, Monroy‐Hermosillo, & Ramírez‐Saad, ; Xue et al, ). At the species level, V. lentus was found, which is considered a probiotic and antagonist to V. harveyi in the culture of sea bass D. labrax (Schaeck et al, ), as well as V. proteolyticus , considered a probiotic for turbot S. maximus (De Schrijver & Ollevier, ), and M. algicola , used as an adjuvant in vaccines for gilthead sea bream S. aurata (Montero et al, ). These antecedents are extremely useful for later studies aimed at the biological control of the pathogenic agents that affect S. lalandi in culture, avoiding or decreasing the use of antibiotics.…”

Section: Discussionmentioning

confidence: 99%

Bacteriological water quality of recirculating aquatic systems for maintenance of yellowtail amberjack Seriola lalandi

Garcia‐Mendoza

Cáceres-Martı́nez

Vásquez‐Yeomans

et al. 2019

J World Aquaculture Soc

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The bacteriological water quality associated with marine fish farming systems can be a determining factor in the development of disease, and understanding this quality is fundamental for the prevention and control of possible disease outbreaks. In the present study, the bacteriological water quality of a yellowtail amberjack Seriola lalandi broodstock maintenance system, composed of two units of a recirculation aquaculture system (RAS 1 and RAS 2), was determined. From February 2016 to January 2017, monthly samples of surface water were taken at six points in the two RAS systems: (a) from the water reception tank and (b) from filter 1 and (c) tank 1 (in RAS 1) and (d) filter 2 and (e) tank 2 (in RAS 2) and from a joint (f) discharge point. The bacteriological quality was determined by counting total heterotrophic bacteria (THB) and by molecular identification (16S rRNA gene). The number of THB showed a tendency to decrease in filters 1 and 2, to increase in tanks 1 and 2, and again increase in the discharge. The fluctuation of THB, in general, was from 1.0 × 103 to 2.9 × 105 CFU/mL. In total, 102 colonies were isolated, corresponding to nine orders and 52 species, and Vibrionales and Alteromonadales were the most abundant orders. The bacterium Vibrio harveyi, a pathogen of S. lalandi, was identified, as were other bacterial species that are known pathogens; however, no signs of disease or mortality events were recorded during the study. These results suggest that the bacterial community contributed to the maintenance of a balance in the RAS, which prevented the development of infectious diseases. Furthermore, the physicochemical parameters (temperature, oxygen, nitrogen compounds, and alkalinity) were maintained within the optimum range required by S. lalandi. Some zoonotic bacteria were found, as well as bacteria with probiotic and industrial uses. These results represent the first report on bacteriological quality in RAS for S. lalandi.

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Section: Discussionmentioning

confidence: 99%

Bacteriological water quality of recirculating aquatic systems for maintenance of yellowtail amberjack Seriola lalandi

Garcia‐Mendoza

Cáceres-Martı́nez

Vásquez‐Yeomans

et al. 2019

J World Aquaculture Soc

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“…After 60 days, there was improved growth, significantly enhanced lysozyme and respiratory burst activities, and increased resistance to challenge (Gupta et al 2016). Schaeck et al (2016) were an advocate of V. lentus, which protected gnotobiotic (= germfree) sea bass (Dicentrarchus labrax) larvae against challenge with V. harveyi. The benefits of feeding marine red yeast, Rhodotorula mucilaginosa, at 1.0 g/kg for eight weeks have been extolled (Zhou et al 2016).…”

Section: Dietary Supplementsmentioning

confidence: 99%

Vibrio harveyi: a serious pathogen of fish and invertebrates in mariculture

Zhang

Austin

2020

Mar Life Sci Technol

187

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Vibrio harveyi, which belongs to family Vibrionaceae of class Gammaproteobacteria, includes the species V. carchariae and V. trachuri as its junior synonyms. The organism is a well-recognized and serious bacterial pathogen of marine fish and invertebrates, including penaeid shrimp, in aquaculture. Diseased fish may exhibit a range of lesions, including eye lesions/blindness, gastro-enteritis, muscle necrosis, skin ulcers, and tail rot disease. In shrimp, V. harveyi is regarded as the etiological agent of luminous vibriosis in which affected animals glow in the dark. There is a second condition of shrimp known as Bolitas negricans where the digestive tract is filled with spheres of sloughed-off tissue. It is recognized that the pathogenicity mechanisms of V. harveyi may be different in fish and penaeid shrimp. In shrimp, the pathogenicity mechanisms involved the endotoxin lipopolysaccharide, and extracellular proteases, and interaction with bacteriophages. In fish, the pathogenicity mechanisms involved extracellular hemolysin (encoded by duplicate hemolysin genes), which was identified as a phospholipase B and could inactivate fish cells by apoptosis, via the caspase activation pathway. V. harveyi may enter the so-called viable but nonculturable (VBNC) state, and resuscitation of the VBNC cells may be an important reason for vibriosis outbreaks in aquaculture. Disease control measures center on dietary supplements (including probiotics), nonspecific immunostimulants, and vaccines and to a lesser extent antibiotics and other antimicrobial compounds.

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“…Studies to assess the diversity of bacteria based on 16S rRNA showed that this species seems to be also associated with mussel or adult turbot hatcheries, and surface of algae (Montes et al 2006;Wang et al 2009;Kwan and Bolch et al 2015). Moreover, it is one of the intestinal autochthonous bacteria from the intestinal tract of the common carp (Chi et al 2014), and recently it was revealed as a protective agent against vibriosis caused by V. harveyi in gnotobiotic sea bass larvae (Schaeck et al 2016). On the contrary, this species was also associated with lesions in lobsters (Chistoserdov et al 2005) or octopus.…”

Section: Vibrio Lentusmentioning

confidence: 99%

Bacteria-Affecting Cephalopods

Farto

Fichi

Gestal

et al. 2019

Handbook of Pathogens and Diseases in Cephalopods

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Bacterial pathogens contribute to obtain an unsuccessful production of cephalopods. An updated overview of the knowledge of these pathogens must be a valuable tool to improve their aquarium maintenance and aquaculture. The present work provides a description of the main bacterial pathogens associated with larval stages of cultured Octopus vulgaris, and juvenile and adults of several cephalopods. Vibrio species, reported with ability to cause vibriosis in aquaculture, are the main bacteria associated with skin lesions in adults. Different species of Pseudomonas and Aeromonas, among others, have also been detected. Furthermore, gram-positive bacteria such as Bacillus have been also described. Among them, V. alginolyticus, V. carchariae, V. parahaemolyticus, V. splendidus and V. lentus have also been isolated from sterile organs or fluids of animals and their potential as invaders proved. However, only V. alginolyticus or V. lentus has the ability to cause lesions, and, in addition, the last one is proved as the causative agent of death in octopuses. Other organs such as eyes of squids are also colonized by Vibrio species or Micrococcus sp., and recently Photobacterium swingsii and Lactococcus garvieae have been reported associated with a retrobulbar lesion in octopus. Rickettsial-like organisms (RLO) are also detected in the gills of the octopus, having a detrimental effect on the respiratory gaseous exchange of the animals. Cultures of octopus paralarvae show a genetically diverse community comparable to those reported previously from other marine hatcheries. Bacteria included in the Splendidus clade is the dominant group in all conditions, except in one of them, where V. alginolyticus, V.

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Vibrio lentus protects gnotobiotic sea bass (Dicentrarchus labrax L.) larvae against challenge with Vibrio harveyi

Cited by 20 publications

References 36 publications

Bacteriological water quality of recirculating aquatic systems for maintenance of yellowtail amberjack Seriola lalandi

Bacteriological water quality of recirculating aquatic systems for maintenance of yellowtail amberjack Seriola lalandi

Vibrio harveyi: a serious pathogen of fish and invertebrates in mariculture

Bacteria-Affecting Cephalopods

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