A5051248468- Aquaculture disease management and microbiota
- Aquaculture Nutrition and Growth
- Vibrio bacteria research studies
- Pharmaceutical and Antibiotic Environmental Impacts
- Invertebrate Immune Response Mechanisms
- Microplastics and Plastic Pollution
- Fish biology, ecology, and behavior
- Food Safety and Hygiene
- Wastewater Treatment and Nitrogen Removal
- Cassava research and cyanide
- Fecal contamination and water quality
- Essential Oils and Antimicrobial Activity
- Environmental Sustainability and Education
- Marine Bivalve and Aquaculture Studies
- Antibiotic Resistance in Bacteria
- Agricultural and Food Sciences
- Water Quality Monitoring Technologies
- Water Quality and Pollution Assessment
- Identification and Quantification in Food
- Aquatic life and conservation
- Antimicrobial Peptides and Activities
- Child Nutrition and Water Access
- Coral and Marine Ecosystems Studies
- Enzyme Production and Characterization
- Microbial Community Ecology and Physiology
Universidade Federal do Ceará
2015-2024
Universidad del Mar
2020
Universidade Federal do Recôncavo da Bahia
2012
Centro de Estudos em Psicologia da Saúde
2010
Universidade Federal do Rio de Janeiro
2006-2009
National Council for Scientific and Technological Development
2009
Fundação Cearense de Apoio ao Desenvolvimento Científico e Tecnológico
2009
Centro Universitário da Cidade
2006
Universidade do Estado do Rio de Janeiro
2005
Marymount University
2005
Guava leaf tea of Psidium guajava Linnaeus is commonly used as a medicine against gastroenteritis and child diarrhea by those who cannot afford or do not have access to antibiotics. This study screened the antimicrobial effect essential oils methanol, hexane, ethyl acetate extracts from guava leaves. The were tested diarrhea-causing bacteria: Staphylococcus aureus, Salmonella spp. Escherichia coli. Strains that included isolates seabob shrimp, Xiphopenaeus kroyeri (Heller) laboratory-type...
The emergence of multidrug-resistant bacteria is a worldwide concern and in order to find an alternative this problem, the occurrence antimicrobial compounds Plectranthus amboinicus essential oil was investigated. Thus, study aims determine susceptibility Staphylococcus aureus isolated from food antibiotics, P. (PAEO) carvacrol.Leaves stem were used for extraction by hydrodistillation technique EO chemical analysis performed gas chromatography coupled mass spectrometer. S. strains (n = 35)...
The indiscriminate use of antimicrobials in aquaculture is a concerning practice due to the risk spreading drugresistant bacterial strains. This study aimed assess resistance profile water sourced from fish farming supply located Buriti dos Lopes, Piauí, Brazil. Bacterial counts for P1 point reached 6.5 log CFU/mL, while ranged 3.31 3.66 CFU/mL at Farm A (FA) and 2.56 2.79 B (FB). Among 40 strains (67.8%) tested antimicrobial resistance, was observed quinolone (15.25%), first-generation...
Out of the twenty-four samples shrimp and fish muscle used for this study, twelve were collected near a large marine sewer waste disposal, 3 km off coast Fortaleza (Brazil) isolation E. coli. Other at Mucuripe fresh market (Fortaleza, Brazil) Staphylococcus aureus. Ethanol, water acetone-diluted extracts guava papaya leaf sprouts tested on bacteria in order to verify their microbicidal potential. The coli strains trials rated LT positive. (Carica Linn) showed no activity while sprout...
To evaluate the antioxidant, antibacterial and bacterial cell agglutination activities of hexane (Hex) 70% ethanol (70% EtOH) extracts two species red seaweeds Pterocladiella capillacea (P. capillacea) Osmundaria obtusiloba. In vitro antioxidant activity was determined by DPPH radical scavenging assay, ferric-reducing power ferrous ion chelating β-carotene bleaching assay total phenolic content quantification. Antimicrobial tested using method disc diffusion on Mueller-Hinton medium. The...
The aim of this study was to investigate the presence antibiotic resistant Staphylococcus aureus strains in fish stalls and hands nasal oral cavities handlers Mucuripe Fish Market, Fortaleza, Ceará, Brazil. All S. isolates were Ampicillin 44 % multi-drug resistant.
This study investigated the presence and antibiotic resistance of Salmonella spp. in a shrimp farming environment Northeast Region Brazil. Samples water sediments from two farms rearing freshwater-acclimated Litopenaeus vannamei were examined for . Afterwards, isolates serotyped, antimicrobial was determined by disk diffusion method, plasmid curing performed resistant isolates. A total 30 (16.12%) 186 confirmed to be spp., belonging five serovars: S serovar Saintpaul, Infantis, Panama,...
This study aimed to test the susceptibility of Escherichia coli strains isolated from water, bottom sediments and individuals cultivated in shrimp farm ponds, antibiotics belonging different families, namely B-Lactams: Imipenem (IPM; 10 micro g), Ampicillin (AMP; Cephalothin (CEP; 30 Cefoxitin (FOX; Ceftriaxone (CRO; g); Tetracycline: Tetracycline (TCY; Aminoglycosides: Gentamicin (GEN; Amikacin (AMK; Chloramphenicol: Chloramphenicol (CHO; Fluoroquinolones: Ciprofloxacin (CIP; 5 Nitrofurans:...
Marine invertebrates are capable of synthesizing bioactive compounds, which may be beneficial to human health. The aim this study was evaluate the antioxidant, hemolytic, antimicrobial and cytotoxic activities crude extract (70% EtOH), dichloromethane (DCM), ethyl acetate (EtOAc), aqueous (Aq) fractions marine zoanthid Palythoa caribaeorum. phenolic compound contents extract, DCM, EtOAc Aq were 12.33, 18.17, 10.53, 3.18 mg GAE per gram, respectively. DPPH radical scavenging activity showed...
The objectives of this study were to detect the presence Vibrio cholerae in tropical estuaries (Northeastern Brazil) and search for virulence factors environmental isolates. Water sediment samples inoculated onto a vibrio-selective medium (TCBS), colonies with morphological resemblance V. isolated. cultures identified phenotypically using dichotomous key based on biochemical characteristics. total DNA extracted was amplified by PCR ompW multiplex genes ctx, tcp, zot rfbO1. results phenotypic...
The contamination of seafood by bacteria fecal origin, especially Escherichia coli, is a widely documented sanitary problem. objective the present study was to isolate E. coli strains from gills, muscle, and body surface farmed Nile tilapias (Oreochromis niloticus) fresh-marketed in supermarkets Fortaleza (Ceará, Brazil), determine their susceptibility antibiotics different families (amikacin, gentamicin, imipenem, cephalothin, cefotaxime, ciprofloxacin, aztreonam, ampicillin, nalidixic...
Detection of virulent strains associated with aquatic environment is a current concern for the management and control human animal health. Thus, Vibrio diversity was investigated in four estuaries from state Ceará (Pacoti, Choró, Pirangi Jaguaribe) followed by antimicrobial susceptibility to different antimicrobials used aquaculture detection main virulence factors Isolation identification were performed on TCBS agar (selective medium) dichotomous key based biochemical characteristics,...
Oysters are edible organisms that often ingested partially cooked or even raw, presenting therefore a very high risk to the consumers' health, especially in tropical regions. The presence of Vibrio cholerae and parahaemolyticus oysters sampled at an estuary Brazilian northeastern region was studied, with 300 tested through 8-months period. salinity water sampling point varied between 3% 27‰. V. most frequently detected species (33.3% samples), 22 isolates, 20 were identified as...
Prospect of antibacterial agents may provide an alternative therapy for diseases caused by multidrug-resistant bacteria. This study aimed to evaluate the in vitro bioactivity Moringa oleifera seed extracts against 100 vibrios isolated from marine shrimp Litopenaeus vannamei . Ethanol at low (MOS-E) and hot (MOS-ES) temperature are shown be bioactive 92% 90% strains, respectively. The most efficient Minimum Inhibitory Concentration (MIC) levels MOS-E MOS-ES a high percentage strains were 32 µ...
An L-rhamnose-binding lectin named ELEL was isolated from eggs of the rock boring sea urchin Echinometra lucunter by affinity chromatography on lactosyl-agarose. is a homodimer linked disulfide bond with subunits 11 kDa each. The new inhibited saccharides possessing same configuration hydroxyl groups at C-2 and C-4, such as L-rhamnose, melibiose, galactose lactose. amino acid sequence determined tandem mass spectrometry. subunit has 103 acids, including nine cysteine residues involved in...
Abstract Panulirus argus and P laevicauda lobster carapace meat, tail parings, whole shrimp tails from Cinnamon shrimp, ( Macrobachium amazonicum ) scraps left over filleting Piaui croaker Plagioscion squamosissimus were separated, hydrolysed then lyophilised used as individual sources of peptone in media for the cultivation Escherichia coli . The composition test was: 0.3% meat extract, 0.5% 0.1% lactose. These new compared with commercially obtained (OXOID), commonly laboratory media,...