Analysis of bacterial populations in the gut of developing cod larvae and identification of Vibrio logei, Vibrio anguillarum and Vibrio splendidus as pathogens of cod larvae

Reid, Helen I.; Treasurer, James W.; Adam, Berit; Birkbeck, T. H.

doi:10.1016/j.aquaculture.2008.11.022

Cited by 86 publications

(84 citation statements)

References 26 publications

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“…The phylotypes identified by Han et al (2010) from the intestines of grass carp and those detected in the feed looked closer than those observed in the habitat, but the comparison was based on a limited number of sequences in the 16S rRNA clone libraries. Ringø et al (2006) and Reid et al (2009) noted that dietary bacteria may remarkably influence microbiota in fish intestine. According to our results, although the intestinal microbiota pattern was more similar to that of the sediment, 37.95 % of the OTUs identified in feed were retrieved in the intestine.…”

Section: Discussionmentioning

confidence: 99%

Intestinal microbiota of gibel carp (Carassius auratus gibelio) and its origin as revealed by 454 pyrosequencing

Tian

Gatesoupe

et al. 2013

World J Microbiol Biotechnol

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The intestinal microbiota has received increasing attention, as it influences growth, feed conversion, epithelial development, immunity as well as the intrusion of pathogenic microorganisms in the intestinal tract. In this study, pyrosequencing was used to explore the bacterial community of the intestine in gibel carp (Carassius auratus gibelio), and the origin of these microorganisms. The results disclosed great bacterial diversities in the carp intestines and cultured environments. The gibel carp harbored characteristic intestinal microbiota, where Proteobacteria were predominant, followed by Firmicutes. The analysis on the 10 most abundant bacterial operational taxonomic units (OTUs) revealed a majority of Firmicutes in the intestinal content (by decreasing order: Veilonella sp., Lachnospiraceae, Lactobacillales, Streptococcus sp., and Lactobacillus sp.). The second most abundant OTU was Rothia sp. (Actinobacteria). The most likely potential probiotics (Lactobacillus sp., and Bacillus sp.) and opportunists (Aeromonas sp., and Acinetobacter sp.) were not much abundant. Bacterial community comparisons showed that the intestinal community was closely related to that of the sediment, indicating the importance of sediment as source of gut bacteria in gibel carp. However, 37.95 % of the OTUs detected in feed were retrieved in the intestine, suggesting that food may influence markedly the microbiota of gibel carp, and therefore may be exploited for oral administration of probiotics.

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Section: Discussionmentioning

confidence: 99%

Intestinal microbiota of gibel carp (Carassius auratus gibelio) and its origin as revealed by 454 pyrosequencing

Tian

Gatesoupe

et al. 2013

World J Microbiol Biotechnol

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“…Fish pathogens Listonella anguillarum (Bergeman, 1909;MacDonell & Colwell, 1986) and Vibrio splendidus (Beijerinck, 1900) have been found to be associated with live prey (Thomson et al, 2005), causing mortality to fish larvae (Thomson et al, 2005;Reid et al, 2009). The strains L. anguillarum and V. splendidus are pathogenic to turbot larvae but the infection patterns for both species seem to be different.…”

Section: Introductionmentioning

confidence: 99%

“…The strains L. anguillarum and V. splendidus are pathogenic to turbot larvae but the infection patterns for both species seem to be different. V. splendidus was detected and isolated from the gut of diseased turbot larvae (Thomson et al, 2005;Reid et al, 2009) whereas L. anguillarum was found in the epidermis of experimentally infected turbot larvae (Planas et al, 2005). Considering this, bacterial infection present in aquaculture systems is an important problem that must be controlled and strict biosecurity measures must be implemented to avoid introduction of contaminated food to fish.…”

Section: Introductionmentioning

confidence: 99%

Treatment of seawater for rotifer culture uses applying adsorption and advanced oxidation processes

Poblete-Chávez

Cortés-Pizarro

Rojas-Araya

2016

lajar

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ABSTRACT. The use of live feed is common in aquaculture processes due to its nutritional advantages, and rotifers comprise one of the most used feeds in finfish aquaculture. However, bacteria present in water used for rotifer culture are a significant source of infection and consequently diseases could cause mortality in fishes. Advanced oxidation process (AOPs) are methods that may be useful to eliminate bacterial infections present in aquaculture wastewater and may allow the reuse of this water. Therefore, the prospect of using different advanced oxidation processes to inactivate Vibrio spp. and total bacteria cultures (TCB) present in this kind of water was evaluated. In particular, UVc/O3/H2O2, UVc/H2O2 and O3/H2O2 and the adsorption process were applied to seawater coming from a fish farming tank. The results obtained were highly promising because it was possible to inactivate 100% of bacteria present in the seawater when UVc/ozone/hydrogen peroxide and UVc/hydrogen peroxide were applied, needing around 20 and 80 min for Vibrio spp. and total culturable bacteria inactivation, respectively. These results are justified due to the strong action between H2O2 in the presence of UVc, which may produce a large amount of hydroxyl radicals. Nevertheless, when ozone/hydrogen peroxide was applied, total inactivation of bacteria did not occur. Also, an interesting relationship between bacteria inactivation and oxide reduction potential of seawater was observed during the process. Rotifers put in water after the treatment did not suffer behavior changes (swimming) and no mortalities were observed. Keywords: rotifers, bacteria, UV irradiation, ozone, hydrogen peroxide, aquaculture.Tratamiento de agua de mar para el cultivo de rotíferos mediante procesos de adsorción y oxidación avanzados RESUMEN. El uso de organismos vivos como alimento es común en la acuicultura, debido a sus ventajas nutricionales. Los rotíferos constituyen uno de los alimentos principales en el cultivo de peces. Sin embargo, las bacterias presentes en aguas utilizadas en el cultivo de rotíferos son una fuente importante de infección y pueden causar enfermedades y mortalidad en peces. Los procesos de oxidación avanzados son métodos útiles para eliminar bacterias presentes en aguas residuales de la acuicultura, permitiendo su reutilización. Se evaluó la inactivación de Vibrio spp. y bacterias cultivables totales presentes en aguas residuales de la acuicultura a través procesos de oxidación avanzados. Particularmente, se estudió la aplicación de UVc/O3/H2O2, UVc/H2O2 y O3/H2O2 junto a procesos de adsorción aplicados a agua proveniente de un estanque de cultivo de peces. Los resultados obtenidos son muy prometedores debido a que fue posible inactivar el 100% de bacterias presentes cuando se utilizó UVc/O3/H2O2 y UVc/H2O2, requiriendo 20 y 80 min para la inactivación de Vibrio spp. y bacte- __________________ Corresponding editor: Ricardo Prego 780Latin American Journal of Aquatic Research rias cultivables totales, respectivamente. Estos resultados se expl...

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“…Subsequently it was also isolated from the rhizosphere of Peucedanum japonicum in Korea , from lichens in the Austrian Alps, Antarctic and Arctic areas Lee et al, 2014;Vasileva-Tonkova et al, 2014), from sap of Acer mono in Korea , and from acid mine-impacted soil in Germany (Mayanna et al, 2015). Among relatives from the Microbacteriaceae family, Microbacterium has been reported to be associated with cod, yellowtail and bleak, and enhancing survival of cod larvae (Reid et al, 2009;Fjellheim et al, 2010;Ozaktas et al, 2012;Aguilera et al, 2013;Skjermo et al, 2015). To date, however, little is known about the ecology, genomics and metabolomics of Frondihabitans and their function(s) in aquatic ecosystems.…”

Section: Identification and Phylogeny Of Frondihabitans Isolatesmentioning

confidence: 99%

The fish egg microbiome : diversity and activity against the oomycete pathogen Saprolegnia

Liu¹

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Analysis of bacterial populations in the gut of developing cod larvae and identification of Vibrio logei, Vibrio anguillarum and Vibrio splendidus as pathogens of cod larvae

Cited by 86 publications

References 26 publications

Intestinal microbiota of gibel carp (Carassius auratus gibelio) and its origin as revealed by 454 pyrosequencing

Intestinal microbiota of gibel carp (Carassius auratus gibelio) and its origin as revealed by 454 pyrosequencing

Treatment of seawater for rotifer culture uses applying adsorption and advanced oxidation processes

The fish egg microbiome : diversity and activity against the oomycete pathogen Saprolegnia

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