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José Luis Balcázar
Catalan Institute for Water Research
93Publications
32H-index
4,213Citations
Publications 93
Newest
William Calero-Cáceres , José Luis Balcázar32
Estimated H-index: 32
(Catalan Institute for Water Research)
Abstract Although antibiotic resistance represents a significant and growing threat to human and environmental health worldwide, the contribution of bacteriophages (phages) to the acquisition and spread of antibiotic resistance genes (ARGs) in the environment has not been extensively explored. In this study, a comprehensive analysis of several viromes from diverse marine habitats was performed to investigate whether or not phages carry ARGs. The analysis provides strong evidence that phages from...
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Eithne O'Flaherty2
Estimated H-index: 2
(University College Dublin),
Carles M. Borrego23
Estimated H-index: 23
(University of Girona),
José Luis Balcázar32
Estimated H-index: 32
(Catalan Institute for Water Research)
... more
• Exposure to antibiotic-resistant E . coli was between 3.44 × 10 − 7 and 2.95 × 10 − 1 cfu/da.
5 Citations Source Cite
2018 in Aquaculture [IF: 2.71]
Miray Etyemez Büyükdeveci1
Estimated H-index: 1
,
José Luis Balcázar32
Estimated H-index: 32
(Catalan Institute for Water Research),
İbrahim Demirkale1
Estimated H-index: 1
... more
Abstract In the present study, we investigated the effect of different garlic concentrations on growth performance and intestinal microbiota of rainbow trout ( Oncorhynchus mykiss ). A total of 240 healthy rainbow trout were fed diets containing 0% (control), 1% (G1), 1.5% (G2) and 2% (G3) garlic extract for 120 days. At the end of the study, weight gain and specific growth rate of fish were significantly higher among garlic-supplemented groups compared to the control group. Moreover, genomic DN...
1 Citations Source Cite
2018 in Chemosphere [IF: 4.43]
Elisabet Marti1
Estimated H-index: 1
(University of Vic),
Belinda Huerta16
Estimated H-index: 16
(Catalan Institute for Water Research),
Sara Rodriguez-Mozaz38
Estimated H-index: 38
(Catalan Institute for Water Research)
... more
Abstract This study was aimed to determine the abundance of four antibiotic resistance genes ( bla TEM , ermB , qnrS and sul I), as well as bacterial community composition associated with the intestinal mucus of wild freshwater fish species collected from the Foix and La Llosa del Cavall reservoirs, which represent ecosystems with high and low anthropogenic disturbance, respectively. Water and sediments from these reservoirs were also collected and analyzed to determine the pollution level by an...
1 Citations Source Cite
2018 in Environmental Pollution [IF: 4.36]
Itziar Lekunberri5
Estimated H-index: 5
(Catalan Institute for Water Research),
José Luis Balcázar32
Estimated H-index: 32
(Catalan Institute for Water Research),
Carles M. Borrego23
Estimated H-index: 23
(University of Girona)
Abstract Mobile genetic elements (MGEs) are key agents in the spread of antibiotic resistance genes (ARGs) across environments. Here we used metagenomics to compare the river resistome (collection of all ARGs) and mobilome ( e.g. , integrases, transposases, integron integrases and insertion sequence common region “IS CR ” elements) between samples collected upstream ( n = 6) and downstream ( n = 6) of an urban wastewater treatment plant (UWWTP). In comparison to upstream metagenomes, downstream ...
6 Citations Source Cite
Lorenzo Proia15
Estimated H-index: 15
(Université libre de Bruxelles),
Adriana Anzil9
Estimated H-index: 9
(Université libre de Bruxelles),
Jèssica Subirats6
Estimated H-index: 6
(Catalan Institute for Water Research)
... more
Abstract Urban rivers are impacted ecosystems which may play an important role as reservoirs for antibiotic-resistant (AR) bacteria. The main objective of this study was to describe the prevalence of antibiotic resistance along a sewage-polluted urban river. Seven sites along the Zenne River (Belgium) were selected to study the prevalence of AR Escherichia coli and freshwater bacteria over a 1-year period. Culture-dependent methods were used to estimate E. coli and heterotrophic bacteria resista...
7 Citations Source Cite
2018 in Water Research [IF: 7.05]
Jèssica Subirats6
Estimated H-index: 6
(Catalan Institute for Water Research),
Xisca Timoner3
Estimated H-index: 3
(Catalan Institute for Water Research),
Alexandre Sànchez-Melsió7
Estimated H-index: 7
(Catalan Institute for Water Research)
... more
Abstract Wastewater effluents increase the nutrient load of receiving streams while introducing a myriad of anthropogenic chemical pollutants that challenge the resident aquatic (micro)biota. Disentangling the effects of both kind of stressors and their potential interaction on the dissemination of antibiotic resistance genes in bacterial communities requires highly controlled manipulative experiments. In this work, we investigated the effects of a combined regime of nutrients (at low, medium an...
3 Citations Source Cite
2018 in Marine Biotechnology [IF: 2.33]
Eduardo Quiroz-Guzmán1
Estimated H-index: 1
(Spanish National Research Council),
Ricardo Vázquez-Juárez12
Estimated H-index: 12
(Spanish National Research Council),
Antonio Luna-González9
Estimated H-index: 9
... more
In this study, we evaluated a consortium of probiotic bacteria as an environmentally-friendly strategy for controlling pathogenic Vibrio species during the brine shrimp incubation period. Probiotic strains were initially selected on basis of (i) their ability to colonize the cyst surfaces, (ii) their absence of cross-inhibitory effects, and (iii) no detrimental effect on cyst hatching. The cysts and nauplius surfaces were immediately colonized after the application of selected probiotic strains,...
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2018 in Aquaculture [IF: 2.71]
Eduardo Quiroz-Guzmán1
Estimated H-index: 1
(Spanish National Research Council),
Alberto Peña-Rodríguez1
Estimated H-index: 1
(Spanish National Research Council),
Ricardo Vázquez-Juárez12
Estimated H-index: 12
(Spanish National Research Council)
... more
Abstract Vibrio parahaemolyticus and Vibrio harveyi are commonly associated with brine shrimp, where they proliferate at the time of hatching and colonize nauplius surfaces, becoming a potential risk to organisms feeding on them. Among the strategies to prevent their occurrence, the use of chemotherapeutic agents and disinfectants could be considered; however, these strategies have side effects on the quality of brine shrimp and the environment. As a consequence, the use of bacteriophages (phage...
1 Citations Source Cite
2018 in Trends in Microbiology [IF: 11.78]
Tania Pérez-Sánchez7
Estimated H-index: 7
(University of Zaragoza),
Brenda Mora-Sánchez (University of Zaragoza), José Luis Balcázar32
Estimated H-index: 32
(Catalan Institute for Water Research)
Although aquaculture activity has experienced a great development over the past three decades, infectious diseases have become a limiting factor for further intensification. Because the use of antibiotics has led to the widespread emergence of antibiotic resistance, the search for alternative environmentally friendly approaches is urgently needed. This Opinion paper offers an update on the successes and challenges of biological approaches for bacterial disease prevention and control in aquacultu...
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