Jesus Gonzalez-Lopez

Jesus Gonzalez-Lopez
University of Granada | UGR · Instituto Universitario del Agua

PhD

About

381
Publications
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Publications

Publications (381)
Article
Full-text available
Microbial fuel cell (MFC) technology has received increased interest as a suitable approach for treating wastewater while producing electricity. However, there remains a lack of studies investigating the impact of inoculum type and hydraulic retention time (HRT) on the efficiency of MFCs in treating industrial saline wastewater. The effect of three...
Article
Aerobic granular sludge technology operated in continuous-flow reactors enables the upgrading of existing conventional wastewater treatment plants. The viability of applying this technology at full-scale increases with the simplicity of the bioreactor design. Hence, in contrast to previous research carried out in complex configurations, this study...
Article
Full-text available
The high prevalence of antibiotic resistant bacteria (ARB) in several environments is a great concern threatening human health. Particularly, wastewater treatment plants (WWTP) become important contributors to the dissemination of ARB to receiving water bodies, due to the inefficient management or treatment of highly antibiotic-concentrated wastewa...
Article
Full-text available
Trunk injection of antibiotics has re-emerged as a strategy to mitigate citrus huanglongbing (HLB), a devastating disease associated with the bacterium Candidatus Liberibacter asiaticus (CLas). Despite commercial adoption in Florida, no studies have examined how oxytetracycline (OTC) injection may impact active plant-associated microbial communitie...
Article
Hospital wastewater contains several contaminants of emerging concern that cannot be removed by conventional treatment processes. Many of these emerging contaminants are pharmaceutical compounds, which are found in hospital wastewater at high loads. The presence of these toxics affects to the performance of biological processes in receiving wastewa...
Article
Full-text available
The fish-canning industry generates large quantities of wastewater that typically contains high concentrations of organic matter and salts. However, little is known about the potential valorization of this type of industrial wastewater using the microbial fuel cell (MFC) technology operated in a continuous flow mode. This study investigated the imp...
Article
Full-text available
Nowadays, the discharge of wastewater is a global concern due to the damage caused to human and environmental health. Wastewater treatment has progressed to provide environmentally and economically sustainable technologies. The biological treatment of wastewater is one of the fundamental bases of this field, and the employment of new technologies b...
Article
Full-text available
Anticancer drugs are frequently found in domestic wastewater, but knowledge of their impacts on wastewater treatment processes is limited. The effects of three levels of concentrations (low, medium, and high) of three anticancer drugs on physicochemical parameters and prokaryotic communities of a continuous-flow aerobic granular sludge (AGS) system...
Article
Full-text available
Increased concerns exist about the presence of anticancer drugs in wastewater. However, knowledge of the impacts of anticancer drugs on the performance of the system and microbial communities during wastewater treatment processes is limited. We examined the effect of three anticancer drugs commonly detected in influents of wastewater treatment plan...
Article
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Drinking water requires excellent physico-chemical quality. It must therefore not contain any substance which is harmful, or which may harm the health of the consumer. The drinking water supply of Bangeli canton (Togo) is provided by ground water and surface water which have been polluted by several industrial discharges as a result of Togo’s inten...
Article
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This study aimed to treat sewage sludge through microwave irradiation at a laboratory scale. The objective was to investigate the effect of microwave irradiation on microorganisms, water content, organic matter, and agronomic nutrients present in sewage sludge. Three types of sewage sludges obtained from a full-scale wastewater treatment plant were...
Article
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The dependence on groundwater for human consumption has increased worldwide in the last decades. Nitrate (NO3−) often reaches groundwater and causes significant degradation in groundwater quality. In an effort to address this issue, a full-scale water treatment plant using aerobic granular sludge (AGS) technology was built to remove NO3− from nitra...
Article
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Cold environments are the most widespread extreme habitats in the world. However, the role of wastewater treatment plants (WWTPs) in the cryosphere as hotspots in antibiotic resistance dissemination has not been well established. Hence, a snapshot of the resistomes of WWTPs in cold environments, below 5 °C, was provided to elucidate their role in d...
Article
Anticancer drugs are emerging contaminants that are being increasingly detected in urban wastewater. However, there is limited knowledge on the use of biological wastewater treatments, such as granular sludge systems (AGSs), to remove these substances and on their impacts on the general performance of the system and the eukaryotic communities in th...
Article
Full-text available
The aerobic granular biomass technology was optimized for treating nitrate-polluted groundwater based on the biological denitrification processes in order to provide drinking water. Reactors inoculated with granular biomass were operated at progressively lower C/N rate using acetate and methanol to encourage heterotrophic denitrification, in order...
Preprint
Full-text available
The high prevalence of antibiotic resistant bacteria (ARB) in several environments is a great concern threatening human health. Hence, it is vital to dispose of molecular tools that allow proper monitoring of antibiotic resistant genes (ARGs) encoding resistances to these important therapeutic compounds. For an accurate quantification of ARGs, ther...
Preprint
Full-text available
The fish-canning industry generates large quantities of wastewater that typically contains high concentrations of organic matter and salts. However, little is known about the potential valorization of this type of industrial wastewater using the microbial fuel cell (MFC) technology operated in a continuous flow mode. This study investigated the imp...
Chapter
Presence of the petroleum hydrocarbons in the environment has become a major concern due to its toxicity. These compounds are released into the environment by gasoline spill. Bioremediation is one such method for the complete remediation of total petroleum hydrocarbons (TPHs) present in the soil. This strategy utilizes living organisms-microorganis...
Article
Aerobic granular sludge reactors usually operate in sequential batch mode, although this configuration limits the treatment of large volumes of wastewater, and they require a storage system. To implement this technology at full-scale, it would be necessary to design a simple and compact continuous-flow bioreactor able to treat larger volumes of was...
Article
The consumption of anticancer drugs (also known as chemotherapy drugs or antineoplastic drugs) has augmented over the last decades due to increased cancer incidence. Although there is an increasing concern about the presence of pharmaceutical compounds in natural environments and urban/domestic wastewater, anticancer drugs used in chemotherapy and...
Article
Electroactive microorganisms (EAMs) are the core element of microbial electrochemical technologies (METs) due to their ability to interact with electrodes, allowing wiring of current flow and microbial metabolism. However, EAMs are not the unique microbes in METs, particularly when they are fed with complex substrates. Non-electrochemically-active...
Article
Oleaginous fungi natively accumulate large amounts of triacylglycerides (TAG), widely used as precursors for sustainable biodiesel production. However, little attention has been paid to the diversity and roles of fungal mixed microbial cultures (MMCs) in sequencing batch reactors (SBR). In this study, a lipid-rich stream produced in the fish-cannin...
Article
Next-generation sequencing and metatranscriptomic analysis were used to study the diversity and characterize the gene machinery in a cold bioreactor treating urban wastewater located near the Polar Artic Circle. The bacterial population was dominated by the family Comamonadaceae; archaeal population was highly represented by Methanococcales clones...
Article
Four aerobic granular sludge reactors operated in sequential batch mode were implemented to understand the effect of low (7 °C) and high (26 °C) temperature in the removal of pharmaceuticals in the treated effluent. The chemical oxygen demand and nitrogen removal ratio were affected during the startup period in reactors feeding with drugs, but syst...
Article
Full-text available
Granular activated sludge has been described as a promising tool in treating wastewater. However, the effect of high concentrations of sulphur amino acids, cysteine and methionine, in the evolution, development and stability of AGS-SBRs (aerobic granular sludge in sequential batch reactors) and their microbial communities is not well-established. T...
Article
An aerobic granular biofilm process was operated in a sequential batch reactor for treating nitrate-pollute groundwater at 6 ºC, which was fed with a progressively reduced carbon concentration to understand the nitrate removal efficacy in cold regions by denitrifying microorganisms. The evaluation of the performance reflected a quick granulation pr...
Article
Full-text available
The presence of emerging contaminants in the environment, such as pharmaceuticals, is a growing global concern. The excessive use of medication globally, together with the recalcitrance of pharmaceuticals in traditional wastewater treatment systems, has caused these compounds to present a severe environmental problem. In recent years, the increase...
Article
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The biosynthesis of polyhydroxyalkanoates (PHAs) from industrial wastes by mixed microbial cultures (MMCs) enriched in PHA-accumulating bacteria is a promising technology to replace petroleum-based plastics. However, the populations’ dynamics in the PHA-accumulating MMCs are not well known. Therefore, the main objective of this study was to address...
Article
The detection of the presence of bacteria in water is essential to determine their use and prevent environmental and health problems. Conventional techniques for the detection of certain bacteria, such as Escherichia coli, are very lengthy, require trained operators and can be subjective, since they are based on the capacity of colour discernment o...
Article
The influence of the inoculum on bacterial communities of Spanish-style green table olive brinesis very limited. This work assessed the size and structure of the bacterial communities in olive brines inoculated with Lactiplantibacillus plantarum. Also, a new qPCR assay was developed to determine the specific abundance of this genus. Absolute abunda...
Article
Two endophytic strains, coded MOVP5 T and MOPV6, were isolated from nodules of Phaseolus vulgaris plants grown on agricultural soil in Southeastern Spain, and were characterized through a polyphasic taxonomy approach. Their 16S rRNA gene sequences showed 99.3 and 99.4 %, 98.9 and 99.6 %, and 99.0 and 98.7% similarity to ‘ A. deltaense ’ YIC 4121 T...
Article
Studies that characterize the microbial communities in wastewater treatment plants (WWTPs) are numerous, yet similar studies in industrial WWTPs treating fish-canning effluents are limited. The microbial communities in samples of 4 fish-canning WWTPs that operated under different NaCl concentrations were investigated by qPCR and partial 16S rRNA ge...
Article
Paleosoil accretions of carbonates in the Tandilia system (Southern Pampas, Argentina) dated to the lower/middle Pleistocene age are locally referred to as tosca. The characterization of this indurated layer of carbonates were analyzed via a biophysicochemical approach, including, physicochemical analysis of soils, mineral x-ray diffraction of the...
Article
Full-text available
A sequential bed granular bioreactor was adapted to treat nitrate-polluted synthetic groundwater under anaerobic conditions and agitation with denitrification gas, achieving very efficient performance in total nitrogen removal at influent organic carbon concentrations of 1 g L-1 (80–90%) and 0.5 g L-1 (70–80%) sodium acetate, but concentrations bel...
Article
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Biodeterioration is one of the most important processes in metal pipeline corrosion, and it can be due to physical, chemical, and biological factors. Coatings rich in silver have been used to inhibit this undesirable phenomenon. In this study, the antimicrobial properties of several silver-containing products used as a coating in pipelines were det...
Article
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The objective of this study was the development and design of a treatment system at a pilot-plant scale for the remediation of hydrocarbons in industrial wastewater. The treatment consists of a combined approach of absorption and biodegradation to obtain treated water with sufficient quality to be reused in fire defense systems (FDSs). The plant co...
Article
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Aerobic granular sludge (AGS) comprises an aggregation of microbial cells in a tridimen-sional matrix, which is able to remove carbon, nitrogen and phosphorous as well as other pollutants in a single bioreactor under the same operational conditions. During the past decades, the feasibility of implementing AGS in wastewater treatment plants (WWTPs)...
Article
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Enterobacteriaceae is present in various niches worldwide (i.e., the gastrointestinal tracts of animals, clinical specimens, and diverse environments) and hosts some well-known pathogens (i.e., salmonellas, shigellas and pathogenic coliforms). No investigation has focused on its occurrence in marine salterns, and it is not clear if these hypersalin...
Article
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The detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) during wastewater treatment leads to concerns about whether this process may represent a focal point for the transmission of COVID-19. An epidemiological analysis, based on a COVID-19 IgG/IgM Rapid Test Cassette, performed on 134 wastewater workers from 59 wastewater trea...
Article
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Two aerobic granular sludge (AGS) sequential batch reactors were operated at a mild (15 °C) temperature for 180 days. One of those bioreactors was exposed to a mixture of diclofenac, naproxen, trimethoprim, and carbamazepine. The AGS system, operating under pressure from emerging contaminants, showed a decrease in COD, BOD5, and TN removal capacity...
Article
Fish-canning wastewater is characterized frequently by a high content of salt (NaCl), making its treatment particularly difficult; however, the knowledge of the effect of NaCl on eukaryotic communities is very limited. In the present study, the global diversity of eukaryotes in activated sludges (AS) from 4 different wastewater treatment plants (WW...
Article
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Four granular sequencing batch reactors (GSBRs) were inoculated with four denitrifying Pseudomonas strains carrying nosZ to study the process of granule formation, the operational conditions of the bioreactors, and the carbon concentration needed for nitrate removal. The selected Pseudomonas strains were P. stutzeri I1, P. fluorescens 376, P. denit...
Chapter
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The benefits that nitrogen (N) fertilizers represent for the sustenance of the population at the global scale are undeniable. However, the nitrogen-use efficiency (NUE) in agriculture (the amount of nitrogen retrieved in food produced per unit of nitrogen applied) is extremely low. Volatilization, leaching, soil erosion and denitrification processe...
Article
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Bacteria and fungi have been shown to produce nitrous oxide (N2O) during denitrification, but their contribution after nitrate (NO3⁻) application to soil is not clearly established. In a microcosm experiment, the relative contribution of bacteria and fungi to N2O and carbon dioxide (CO2) production by four contrasting soils representing different l...
Article
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Although previous studies have shown that nitrogen (N) fertilization may negatively affect bacterial diversity in bulk soil, information regarding N impacts on the microbial structure and function of both the bulk and rhizosphere soil bacterial microbiome (bacteriome) is less abundant. In this study, tomato and common bean plants, two globally impo...
Article
Partial nitritation was pointed out as the key step to implement the autotrophic nitrogen removal processes at low temperature. This study investigated the initiation and maintenance of a nitritation process with simultaneous COD removal in a sequencing batch reactor (SBR) run at 15 °C and fed with primary settled urban wastewater characterized by...
Article
A pilot-scale anammox biofilter was set up and operated using reject water in order to investigate its nitrogen removal performance and the microbial community present at different stages of operation of this technology. A novel material “Filtralite” was used a support in order to achieve shorter start-up periods and obtain higher nitrogen load rem...
Article
The Aznalcóllar accident, which occurred in 1998, spilled 36 × 10⁵ m³ of pyritic sludge and 9 × 10⁵ m³ of acidic water around an area of 43 km² in the south of Spain. This spill is considered one of the most important metal-mining associated accidents worldwide. In this study, two soil remediation techniques were evaluated: the addition of marble s...
Article
Pharmaceutical active compounds (PhACs) are molecules used for the treatment of physiological disorders that can generate environmental imbalances when discharged into wastewater. In this work, the use of Penicillium oxalicum XD-3.1 as bioremediation tool for the elimination of PhACs in non-sterile real hospital wastewater in batch bench scale bior...
Article
Lipids are one of the main components of the organic matter present in the effluents of the food-processing industry. These waste streams can be biotransformed into valuable triacylglycerides (TAGs) and polyhydroxyalkanoates (PHAs), precursors of biofuels and biomaterials alternative to petroleum-based products. These compounds are yielded by mixed...
Article
Biofouling significantly reduces the performance efficiency of membrane bioreactors due to the colonization and accumulation of a matrix of microorganisms. In order to investigate the effect of ultrasonic frequency on biofilm formation and bacterial ecology at different frequencies, four microfiltration membrane modules were subjected at 0, 20, 30...
Article
Granular aerobic sludge systems have been a very efficient technology in urban and industrial wastewater treatment. In this research, a novel modification of aerobic granular sludge technology was developed for the treatment of nitrate-polluted groundwater, adding very low concentrations of a solution based on carbon and oligoelements in the ground...
Article
The abundances of the napA, narG, nirK, nirS, norB, nosZI and nosZII genes, involved in all the steps of the bacterial denitrification pathway, were monitored by a quantitative PCR approach in 4 municipal wastewater treatment plants (WWTPs). The absolute and relative abundances of narG were greater than those of napA in all the surveyed facilities,...
Article
Full-text available
In wastewater treatment plants, most microbial characterization has focused on bacterial, archaeal, and fungal populations. Due to the difficult isolation, quantification, and identification of viruses, only a limited number of virome studies associated with wastewater treatment plants have been carried out. However, the virus populations play an i...
Article
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Aims To determine the effect of three N-fertilisers on N2O emission and abundance of nitrification and denitrification genes in bulk and rhizosphere soil of tomato and common bean, two vegetable crops representative of main horticultural crops in South Spain. Methods Four consecutive harvests of tomato and common bean fertilised with urea, ammoniu...
Article
Full-text available
Non-steroidal anti-inflammatory drugs (NSAIDs) and analgesics are two of the most employed drug groups around the world due to their use in the treatment of edema and pain. However, they also present an ecological challenge because they are considered as potential water pollutants. In this work, the biodegradation of four NSAIDs (diclofenac, ibupro...
Article
Nitrification and denitrification are known to co-occur in soils, but the effect of fertilisation history on N2O fluxes and the relative source partitioning of the N2O has not been thoroughly investigated. In this study, we therefore combined a high-tech 15N stable isotope tracing technique with quantitative PCR (qPCR) to explore the relative contr...
Article
Full-text available
Wastewaters polluted with hydrocarbons are an environmental problem that has a significant impact on the natural ecosystem and on human health. Thus, the aim of this research was to develop a bioreactor sorbent technology for treating these polluted waters. A lab-scale plant composed of three 1-L bioreactors with different sorbent materials inside...
Chapter
Assessment of the abundance of fungi in environmental samples by quantitative PCR (qPCR) of community DNA is often a difficult task due to biases introduced during PCR amplification, resulting from the differences associated with length polymorphism and the varying number of copies of the rRNA operon among fungal species, the lack of specificity of...
Article
Three lab-scale sequential batch reactors were operated under aerobic granular sludge technology for 150 days. The reactors were inoculated with mild temperature-adapted activated sludge from Granada wastewater treatment plant (WWTP) in order to evaluate the microbial dynamics, the granulation process and the performance of the systems under low, m...
Article
Three bioreactors were inoculated with Polar Arctic Circle-activated sludge, started-up and operated for 150 days at 8, 15 and 26 °C. Removal performances and granular conformation were similar at steady-state, but higher stability from start-up was found when operating at 8 °C. Important changes in the eukaryotic and prokaryotic populations caused...
Article
Full-text available
The effect of the combined application of urease and nitrification inhibitors on ammonia volatilization and the abundance of nitrifier and denitrifier communities is largely unknown. Here, in a mesocosm experiment, ammonia volatilization was monitored in an agricultural soil treated with urea and either or both of the urease inhibitor N‐(n‐butyl) t...
Article
The communities of Bacteria, Archaea and Fungi in a full-scale moving bed biofilm reactor in Rukatunturi (Ruka, Finland, in the Polar Arctic Circle) were analyzed in order to observe their ecological role in the operation of this system at low temperature. The bioreactor achieved efficient removal performances organic matter (> 96%) and for ammoniu...
Article
Full-text available
In a pilot plant under the stable‐stage of the two‐stage anaerobic digester, the dynamic of the archaeal, bacterial, and eukaryal community structure was studied as well as their link to performance and biogas production. An effective synergic action between microorganisms was reached since biogas production and particularly methane (CH4) generatio...