From microbes to fish the next revolution in food production

Martínez‐Córdova, Luis Rafael; Martínez‐Porchas, Marcel; Emerenciano, Maurício Gustavo Coelho; Miranda‐Baeza, Anselmo; Gollas‐Galván, Teresa

doi:10.3109/07388551.2016.1144043

Cited by 66 publications

(40 citation statements)

References 55 publications

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“…In this regard, the modification of physicochemical variables of the culture system to favor the proliferation of particular biotic communities has been adopted not only to improve the recirculation of nutrients (and the consequent detoxification of the system) but also to use the biomass of such biotic communities as direct food source for the cultured organisms [5]. These kinds of systems, also known as biofloc (BFT) technology systems, promise to solve some of the above challenges and revolutionize aquaculture [6].…”

Section: Aquaculture: State Of the Art And Challengesmentioning

confidence: 99%

Biofloc Technology (BFT): A Tool for Water Quality Management in Aquaculture

Emerenciano¹,

Córdova²,

et al. 2017

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Biofloc technology (BFT) is considered the new "blue revolution" in aquaculture. Such technique is based on in situ microorganism production which plays three major roles: (i) maintenance of water quality, by the uptake of nitrogen compounds generating in situ microbial protein; (ii) nutrition, increasing culture feasibility by reducing feed conversion ratio (FCR) and a decrease of feed costs; and (iii) competition with pathogens. The aggregates (bioflocs) are a rich protein-lipid natural source of food available in situ 24 hours per day due to a complex interaction between organic matter, physical substrate, and large range of microorganisms. This natural productivity plays an important role recycling nutrients and maintaining the water quality. The present chapter will discuss some insights of the role of microorganisms in BFT, main water quality parameters, the importance of the correct carbon-to-nitrogen ratio in the culture media, its calculations, and different types, as well as metagenomics of microorganisms and future perspectives.

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Section: Aquaculture: State Of the Art And Challengesmentioning

confidence: 99%

Biofloc Technology (BFT): A Tool for Water Quality Management in Aquaculture

Emerenciano¹,

Córdova²,

et al. 2017

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“…This is highly relevant for aquaculture as this activity is highly associated with microbial communities with high metabolic rates and exerting complex interaction networks, that may be beneficial or highly damaging for the health of aquaculture systems if these are not controlled adequately (Martínez‐Córdova et al . , ). Knowing what our microbes are capable of doing is one of the most crucial steps to exert adequate and accurate alternatives to specific scenarios in aquaculture.…”

Section: Potential Impact Of Targeted Metagenomics In Microbial Ecolomentioning

confidence: 99%

Predictive functional profiles using metagenomic 16S rRNA data: a novel approach to understanding the microbial ecology of aquaculture systems

Ortiz-Estrada

Gollas‐Galván

Martínez‐Córdova³

et al. 2018

Reviews in Aquaculture

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Micro‐organisms are an essential component of natural marine ecosystems, but also play important roles in anthropogenically modified ecosystems, including aquaculture. Although metagenomics is currently used to explore microbial communities, its application has not been as extensive in aquaculture. Although some taxonomic profiles and phylogenetic studies have been deciphered using biomarker genes, the functional potential of microbial communities associated with aquaculture systems is still unknown in most cases. Predicting functional profiles through 16S rRNA gene‐based metagenomics analysis is perhaps the most promising tool to elucidate the metabolic capabilities of microbial communities because there is no need to perform shotgun sequencing to have an idea of these capabilities. Moreover, robust bioinformatics background is not required to assess this information, and so the same data (16S rRNA sequences) are used to estimate both taxonomic and functional profiles, therefore providing deeper insights into these kinds of communities. In this review, we suggest the need to major use of novel bioinformatics tools that construct functional profiles from metagenomic 16S rRNA data, as strategy to obtain a preliminary approach about metabolic capacities of microbes that coexist in aquaculture systems.

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“…These have proven to serve not only as direct food source for the cultured organisms, but also as promoters of a short food chain within culture units, causing the recirculation of nutrients and promoting proliferation of bacteria that could inhibit the reproduction of pathogenic specimens [3]. In addition, microbial-based systems allow to minimize water…”

Section: Opinionmentioning

confidence: 99%