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[PMID]:29311457
[Au] Autor:Kenzaka T; Kataoka K; Fujimitsu T; Tani K
[Ad] Endereço:Environmental Science and Microbiology, Faculty of Pharmacy, Osaka Ohtani University.
[Ti] Título:[Intestinal Microbiota in Migrating Barn Swallows around Osaka].
[So] Source:Yakugaku Zasshi;138(1):117-122, 2018.
[Is] ISSN:1347-5231
[Cp] País de publicação:Japan
[La] Idioma:jpn
[Ab] Resumo:Migratory birds are considered as vectors of infectious diseases, owing to their potential for transmitting pathogens over large distances. The populations of barn swallow (Hirundo rustica) migrate from Southeast Asia to the Japanese mainland during spring and migrate back to Southeast Asia during autumn. This migratory population is estimated to comprise approximately hundreds to thousands of individuals per year. However, to date, not much is known about the gastrointestinal microbiota of the barn swallow. In this study, we characterized the fecal bacterial community in barn swallow. Using 16S rRNA gene metagenomic sequencing analysis, we examined the presence and composition of potentially pathogenic bacteria in the fecal samples, which were collected during spring season from Osaka. The number (±S.D.) of total bacteria was approximately 2.1(±3.4)×10 per gram of feces. In most samples, the bacterial community composition was dominated by families, such as Enterobacteriaceae, Pseudomonadaceae, Mycoplasmataceae, Enterococcaceae, Streptococcaceae, and Alcaligenaceae. However, no relationship was found between the bacterial community composition and geographical area in the fecal samples. Potentially pathogenic bacteria were detected at the rate of >0.1%, which included Pseudomonas spp., Escherichia/Shigella spp., Enterobacter spp., Yersinia spp., Mycoplasma spp., Enterococcus spp., Achromobacter spp., and Serratia spp. Our results suggested that barn swallow is instrumental in the transmission of these genera over large distances.
[Mh] Termos MeSH primário: Migração Animal/fisiologia
Vetores de Doenças
Intestinos/microbiologia
Microbiota
Andorinhas/microbiologia
[Mh] Termos MeSH secundário: Alcaligenaceae/isolamento & purificação
Alcaligenaceae/patogenicidade
Animais
Ásia Sudeste
Enterobacteriaceae/isolamento & purificação
Enterobacteriaceae/patogenicidade
Enterococcaceae/isolamento & purificação
Enterococcaceae/patogenicidade
Fezes/microbiologia
Japão
Mycoplasmataceae/isolamento & purificação
Mycoplasmataceae/patogenicidade
Pseudomonadaceae/isolamento & purificação
Pseudomonadaceae/patogenicidade
Streptococcaceae/isolamento & purificação
Streptococcaceae/patogenicidade
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180226
[Lr] Data última revisão:
180226
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180110
[St] Status:MEDLINE
[do] DOI:10.1248/yakushi.17-00148


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[PMID]:27300139
[Au] Autor:Duvenage FJ; Duvenage S; Du Plessis EM; Volschenk Q; Korsten L
[Ad] Endereço:Department of Plant Science, University of Pretoria, Lynnwood Road, Pretoria, 0001, South Africa.
[Ti] Título:Viable bacterial population and persistence of foodborne pathogens on the pear carpoplane.
[So] Source:J Sci Food Agric;97(4):1185-1192, 2017 Mar.
[Is] ISSN:1097-0010
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Knowledge on the culturable bacteria and foodborne pathogen presence on pears is important for understanding the impact of postharvest practices on food safety assurance. Pear fruit bacteria were investigated from the point of harvest, following chlorine drenching and after controlled atmosphere (CA) storage to assess the impact on natural bacterial populations and potential foodborne pathogens. RESULTS: Salmonella spp. and Listeria monocytogenes were detected on freshly harvested fruit in season one. During season one, chemical drenching and CA storage did not have a significant effect on the bacterial load of orchard pears, except for two farms where the populations were lower 'after CA storage'. During season two, bacterial populations of orchard pears from three of the four farms increased significantly following drenching; however, the bacterial load decreased 'after CA storage'. Bacteria isolated following enumeration included Enterobacteriaceae, Microbacteriaceae, Pseudomonadaceae and Bacillaceae, with richness decreasing 'after drench' and 'after CA storage'. CONCLUSION: Salmonella spp. and L. monocytogenes were not detected after postharvest practices. Postharvest practices resulted in decreased bacterial species richness. Understanding how postharvest practices have an impact on the viable bacterial populations of pear fruit will contribute to the development of crop-specific management systems for food safety assurance. © 2016 Society of Chemical Industry.
[Mh] Termos MeSH primário: Agricultura/métodos
Microbiologia de Alimentos
Inocuidade dos Alimentos
Frutas/microbiologia
Listeria monocytogenes/crescimento & desenvolvimento
Pyrus/microbiologia
Salmonella/crescimento & desenvolvimento
[Mh] Termos MeSH secundário: Atmosfera
Bacillaceae/efeitos dos fármacos
Bacillaceae/crescimento & desenvolvimento
Biodiversidade
Cloro/farmacologia
Enterobacteriaceae/efeitos dos fármacos
Enterobacteriaceae/crescimento & desenvolvimento
Escherichia coli O157/efeitos dos fármacos
Escherichia coli O157/crescimento & desenvolvimento
Doenças Transmitidas por Alimentos/microbiologia
Doenças Transmitidas por Alimentos/prevenção & controle
Seres Humanos
Listeria monocytogenes/efeitos dos fármacos
Pseudomonadaceae/efeitos dos fármacos
Pseudomonadaceae/crescimento & desenvolvimento
Salmonella/efeitos dos fármacos
Estações do Ano
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
4R7X1O2820 (Chlorine)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170630
[Lr] Data última revisão:
170630
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160615
[St] Status:MEDLINE
[do] DOI:10.1002/jsfa.7847


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[PMID]:27709740
[Au] Autor:Yun J; Cho KS
[Ad] Endereço:Department of Environmental Science and Engineering, Ewha Womans University, Seoul, Korea.
[Ti] Título:Effects of organic loading rate on hydrogen and volatile fatty acid production and microbial community during acidogenic hydrogenesis in a continuous stirred tank reactor using molasses wastewater.
[So] Source:J Appl Microbiol;121(6):1627-1636, 2016 Dec.
[Is] ISSN:1365-2672
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:AIMS: Microbial community associated with hydrogen production and volatile fatty acids (VFAs) accumulation was characterized in acidogenic hydrogenesis using molasses wastewater as a feedstock. METHODS AND RESULTS: Hydrogen and VFAs production were measured under an organic loading rate (OLR) from 19 to 35 g-COD l  day . The active microbial community was analysed using RNA-based massively parallel sequencing technique, and their correlation patterns were analysed using networking analysis. The continuous stirred tank reactor achieved stable hydrogen production at different OLR conditions, and the maximum hydrogen production rate (HPR) was 1·02 L-H  l  day at 31·0 g-COD l  day . Butyrate (50%) and acetate (38%) positively increased with increase in OLR. Total VFA production stayed around 7135 mg l during the operation period. Although Clostridiales and Lactobacillales were relatively abundant, the HPR was positively associated with Pseudomonadaceae and Micrococcineae. Total VFA and acetate, butyrate and propionate concentrations were positively correlated with lactic acid bacteria (LAB) such as Bacillales, Sporolactobacillus and Lactobacillus. CONCLUSIONS: The close relationship between Pseudomonadaceae and Micrococcineae, and LAB play important roles for stable hydrogen and VFA production from molasses wastewater. SIGNIFICANCE AND IMPACT OF THE STUDY: Microbial information on hydrogen and VFA production can be useful to design and operate for acidogenic hydrogenesis using high strength molasses wastewater.
[Mh] Termos MeSH primário: Bactérias/metabolismo
Ácidos Graxos Voláteis/biossíntese
Hidrogênio/metabolismo
Melaço
Águas Residuais
[Mh] Termos MeSH secundário: Actinobacteria/metabolismo
Pseudomonadaceae/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Fatty Acids, Volatile); 0 (Waste Water); 7YNJ3PO35Z (Hydrogen)
[Em] Mês de entrada:1703
[Cu] Atualização por classe:170817
[Lr] Data última revisão:
170817
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161007
[St] Status:MEDLINE
[do] DOI:10.1111/jam.13316


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[PMID]:27553488
[Au] Autor:Denman S; Plummer S; Kirk S; Peace A; McDonald JE
[Ad] Endereço:Forest Research, Centre for Ecosystems, Society and Biosecurity, Alice Holt Lodge, Surrey, GU10 4LH, United Kingdom. Electronic address: sandra.denman@forestry.gsi.gov.uk.
[Ti] Título:Isolation studies reveal a shift in the cultivable microbiome of oak affected with Acute Oak Decline.
[So] Source:Syst Appl Microbiol;39(7):484-490, 2016 Oct.
[Is] ISSN:1618-0984
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:Acute Oak Decline is a syndrome within the Oak Decline complex in Britain. Profuse stem bleeding and larval galleries of the native buprestid, Agrilus biguttatus characterize the disease. A systematic study comparing healthy with diseased trees was undertaken. This work reports the result of isolations from healthy trees, diseased and non-symptomatic tissue within AOD affected trees, at five sites in England. Bacteria and fungi were identified using the DNA gyrase B gene, or ITS 1 sequencing. A significantly higher proportion of diseased tissues (82%) yielded more bacteria than either healthy (18%) or non-symptomatic tissue in diseased trees (33%). Overall bacterial community compositions varied at each site, but significant similarities were evident in diseased tissues at all sites. Enterobacteriaceae dominated in diseased trees whereas Pseudomonadaceae dominated healthy trees. Significant associations between diseased tissues and certain bacterial species occurred, implying that the cause of tissue necrosis was not due to random microbiota. Brenneria goodwinii and Gibbsiella quercinecans were key species consistently isolated from diseased tissue; Rahnella victoriana and an un-named Pseudomonas taxon were also frequently isolated from both healthy and diseased trees. Most fungi isolated were from the outer bark and had no significant association with tree health status. It was concluded that there was a shift in the cultivatable bacterial microbiome of diseased trees, with Enterobacteriaceae strongly represented in symptomatic but not healthy tissues. No single species dominated the isolations from diseased tissues and the tissue degradation in AOD is therefore likely to have a polymicrobial cause.
[Mh] Termos MeSH primário: Enterobacteriaceae/isolamento & purificação
Fungos/isolamento & purificação
Doenças das Plantas/microbiologia
Pseudomonadaceae/isolamento & purificação
Quercus/microbiologia
[Mh] Termos MeSH secundário: DNA Girase/genética
DNA Bacteriano/genética
DNA Fúngico/genética
Inglaterra
RNA Ribossômico 16S/genética
Árvores/microbiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Bacterial); 0 (DNA, Fungal); 0 (RNA, Ribosomal, 16S); EC 5.99.1.3 (DNA Gyrase)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170407
[Lr] Data última revisão:
170407
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160825
[St] Status:MEDLINE


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[PMID]:27479052
[Au] Autor:Delgado DY; Barrigas ZP; Astutillo SG; Jaramillo AP; Ausili A
[Ad] Endereço:Universidad Técnica Particular de Loja (UTPL), Departamento de Ciencias de la Salud, Loja, Ecuador.
[Ti] Título:Detection and molecular characterization of ß-lactamase genes in clinical isolates of Gram-negative bacteria in Southern Ecuador.
[So] Source:Braz J Infect Dis;20(6):627-630, 2016 Nov - Dec.
[Is] ISSN:1678-4391
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:This work performed a phenotypic and genotypic characterization of 79 clinical isolates of Enterobacteriaceae and Pseudomonadaceae collected in hospitals of Southern Ecuadorin 2013. Our results showed a high incidence of ß-lactamases and ESBLs with bla and bla as the prevalent genes, respectively. By direct sequencing of PCR amplicons, the different ß-lactamases and variants of the genes were also distinguished. Our results revealed a predominance of TEM-1 ß-lactamase and the presence of different CTX-M variants with a prevalence of CTX-M-15. Two infrequent CTX-M variants in South America were also identified. To the best of our knowledge, this is one of the first studies describing the genetic characteristics of ß-lactamases in Ecuador.
[Mh] Termos MeSH primário: Antibacterianos/farmacologia
Enterobacteriaceae/enzimologia
Pseudomonadaceae/enzimologia
beta-Lactamases/genética
[Mh] Termos MeSH secundário: DNA Bacteriano/genética
Testes de Sensibilidade a Antimicrobianos por Disco-Difusão
Equador
Enterobacteriaceae/classificação
Enterobacteriaceae/efeitos dos fármacos
Genótipo
Seres Humanos
Fenótipo
Pseudomonadaceae/classificação
Pseudomonadaceae/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anti-Bacterial Agents); 0 (DNA, Bacterial); EC 3.5.2.6 (beta-Lactamases)
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170726
[Lr] Data última revisão:
170726
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160802
[St] Status:MEDLINE


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[PMID]:27169721
[Au] Autor:Drobish AM; Emery BD; Whitney AM; Lauer AC; Metcalfe MG; McQuiston JR
[Ad] Endereço:1​ Special Bacteriology Reference Laboratory, Bacterial Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA.
[Ti] Título:Oblitimonas alkaliphila gen. nov., sp. nov., in the family Pseudomonadaceae, recovered from a historical collection of previously unidentified clinical strains.
[So] Source:Int J Syst Evol Microbiol;66(8):3063-70, 2016 Aug.
[Is] ISSN:1466-5034
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Eight Gram-stain-negative bacteria (B4199T, C6819, C6918, D2441, D3318, E1086, E1148 and E5571) were identified during a retrospective study of unidentified strains from a historical collection held in the Special Bacteriology Reference Laboratory at the Centers for Disease Control and Prevention. The strains were isolated from eight patients: five female, two male and one not specified. No ages were indicated for the patients. The sources were urine (3), leg tissue (2), foot wound, lung tissue and deep liver. The strains originated from seven different states across the USA [Colorado, Connecticut (2), Indiana, North Carolina, Oregon and Pennsylvania]. The strains grew at 10-42 °C, were non-motile, alkalitolerant, slightly halophilic, microaerophilic, and catalase- and oxidase-positive. The DNA G+C content was 47.3-47.6 mol%. The major cellular fatty acids were tetradecanoic acid (C14 : 0), hexadecanoic acid (C16 : 0) and 11-octadecenoic acid (C18 : 1ω7c). Polar lipids detected were phosphatidylglycerol, phosphatidylethanolamine, diphosphatidylglycerol and unknown phospholipids; the only respiratory quinone detected was the ubiquinone Q-9 (100 %). 16S rRNA gene sequence analysis produced results with 95.6 % similarity to Pseudomonas caeni DSM 24390T and 95.2 % similarity to Thiopseudomonas denitrificans X2T. The results of the biochemical, chemotaxonomic and phylogenetic analyses between the study strains and some related type strains indicated that these strains represent a novel species of a new genus within the family Pseudomonadaceae, for which the name Oblitimonas alkaliphila gen. nov., sp. nov. is proposed. The type strain is B4199T (=DSM 100830T=CCUG 67636T).
[Mh] Termos MeSH primário: Filogenia
Pseudomonadaceae/classificação
[Mh] Termos MeSH secundário: Técnicas de Tipagem Bacteriana
Composição de Bases
Colorado
Connecticut
DNA Bacteriano/genética
Ácidos Graxos/química
Seres Humanos
Indiana
North Carolina
Oregon
Pennsylvania
Fosfolipídeos/química
Pseudomonadaceae/genética
Pseudomonadaceae/isolamento & purificação
RNA Ribossômico 16S/genética
Análise de Sequência de DNA
Ubiquinona/química
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Bacterial); 0 (Fatty Acids); 0 (Phospholipids); 0 (RNA, Ribosomal, 16S); 1339-63-5 (Ubiquinone); MGW7TYF2DQ (ubiquinone 9)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:171025
[Lr] Data última revisão:
171025
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160513
[St] Status:MEDLINE
[do] DOI:10.1099/ijsem.0.001147


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[PMID]:27107143
[Au] Autor:Cadet M; Gounel S; Stines-Chaumeil C; Brilland X; Rouhana J; Louerat F; Mano N
[Ad] Endereço:CNRS, CRPP, UPR 8641, 33600 Pessac, France; University of Bordeaux, CRPP, UPR 8641, 33600 Pessac, France.
[Ti] Título:An enzymatic glucose/O2 biofuel cell operating in human blood.
[So] Source:Biosens Bioelectron;83:60-7, 2016 Sep 15.
[Is] ISSN:1873-4235
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Enzymatic biofuel cells (BFCs) may power implanted medical devices and will rely on the use of glucose and O2 available in human bodily fluids. Other than well-established experiments in aqueous buffer, little work has been performed in whole human blood because it contains numerous inhibiting molecules. Here, we tested our BFCs in 30 anonymized, random and disease-free whole human blood samples. We show that by designing our anodic and cathodic bioelectrocatalysts with osmium based redox polymers and home-made enzymes we could reach a high selectivity and biofunctionnality. After optimization, BFCs generate power densities directly proportional to the glycaemia of human blood and reached a maximum power density of 129µWcm(-2) at 0.38V vs. Ag/AgCl at 8.22mM glucose. This is to our knowledge the highest power density attained so far in human blood and open the way for the powering of integrated medical feedback loops.
[Mh] Termos MeSH primário: Fontes de Energia Bioelétrica
Glicemia/metabolismo
Eletricidade
Oxigênio/metabolismo
[Mh] Termos MeSH secundário: Fontes de Energia Bioelétrica/microbiologia
Eletrodos
Desenho de Equipamento
Glucose 1-Desidrogenase/metabolismo
Seres Humanos
Magnaporthe/enzimologia
Osmio/química
Oxirredução
Oxirredutases atuantes sobre Doadores de Grupo CH-CH/metabolismo
Oxigênio/sangue
Polímeros/química
Pseudomonadaceae/enzimologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Blood Glucose); 0 (Polymers); 2E7M255OPY (Osmium); EC 1.1.1.47 (Glucose 1-Dehydrogenase); EC 1.3.- (Oxidoreductases Acting on CH-CH Group Donors); EC 1.3.3.5 (bilirubin oxidase); S88TT14065 (Oxygen)
[Em] Mês de entrada:1702
[Cu] Atualização por classe:170207
[Lr] Data última revisão:
170207
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160424
[St] Status:MEDLINE


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[PMID]:26979841
[Au] Autor:Coraci D; Paolasso I; Doneddu PE; Santilli V; Padua L
[Ad] Endereço:Board of Physical Medicine and Rehabilitation, Department of Orthopaedic Science, Sapienza University, Rome, Italy.
[Ti] Título:High-resolution ultrasound may depict pseudomeningocele.
[So] Source:Neurol Sci;37(8):1369-72, 2016 Aug.
[Is] ISSN:1590-3478
[Cp] País de publicação:Italy
[La] Idioma:eng
[Mh] Termos MeSH primário: Meningocele/diagnóstico por imagem
Ultrassonografia
[Mh] Termos MeSH secundário: Adulto
Feminino
Seres Humanos
Masculino
Meia-Idade
Pseudomonadaceae
[Pt] Tipo de publicação:LETTER
[Em] Mês de entrada:1701
[Cu] Atualização por classe:171013
[Lr] Data última revisão:
171013
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160317
[St] Status:MEDLINE
[do] DOI:10.1007/s10072-016-2545-6


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[PMID]:26910385
[Au] Autor:Decimo M; Silvetti T; Brasca M
[Ad] Endereço:Inst. of Sciences of Food Production, National Research Council of Italy, Via Celoria 2, 20133, Milan, Italy.
[Ti] Título:Antibiotic Resistance Patterns of Gram-Negative Psychrotrophic Bacteria from Bulk Tank Milk.
[So] Source:J Food Sci;81(4):M944-51, 2016 Apr.
[Is] ISSN:1750-3841
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Bacterial resistance to antibiotics is a major global health problem and resistance of Pseudomonadaceae and Enterobacteriaceae is a serious concern. We investigated the prevalence of drug-resistance in a total of 80 psychrotrophic strains from bulk milk belonging to Pseudomonas genus (n. 63) and Enterobacteriaceae group (n. 17). All the strains were tested against 16 antibiotics. Pseudomonas were further investigated for their sensitivity against 12 additional antibiotics. Pseudomonas showed a high susceptibility toward fluoroquinolones, aminoglycosides, and piperacillin and, to a lesser extent, to imipenem, ceftazidime, cefepime. Thirty-five out of 63 Pseudomonas strains were susceptible to meropenem, while among antibiotics for which recommended breakpoints are not yet available, 55% of Pseudomonas strains had no inhibition halo in presence of nitrofurantoin, highlighting a resistance toward this drug. The results obtained in this study indicate a high efficiency of fluoroquinolones, chloramphenicol (94%), and kanamycin (76%) for Enterobacteriaceae while a high prevalence of resistant strains was found to ampicillin (13/17). Serratia marcescens is highly susceptible to fluoroquinolones, chloramphenicol, and kanamycin. Moreover, mupirocin seems to be the new antibiotic with the less efficacy for Enterobacteriaceae, with 41% of strains without halo, pointing out an important resistance. Further knowledge on resistance to known and new antibiotics among Pseudomonas species and Enterobacteriaceae of milk origin was acquired.
[Mh] Termos MeSH primário: Antibacterianos/farmacologia
Resistência Microbiana a Medicamentos
Microbiologia de Alimentos
Bactérias Gram-Negativas/efeitos dos fármacos
Leite/microbiologia
[Mh] Termos MeSH secundário: Animais
Cefalosporinas/farmacologia
Enterobacteriaceae/efeitos dos fármacos
Bactérias Gram-Negativas/crescimento & desenvolvimento
Seres Humanos
Imipenem/farmacologia
Testes de Sensibilidade Microbiana/métodos
Pseudomonadaceae/efeitos dos fármacos
Tienamicinas/farmacologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anti-Bacterial Agents); 0 (Cephalosporins); 0 (Thienamycins); 71OTZ9ZE0A (Imipenem); 807PW4VQE3 (cefepime); FV9J3JU8B1 (meropenem)
[Em] Mês de entrada:1611
[Cu] Atualização por classe:161230
[Lr] Data última revisão:
161230
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160225
[St] Status:MEDLINE
[do] DOI:10.1111/1750-3841.13250


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[PMID]:26877048
[Au] Autor:Ruzicka J; Fusková J; Krízek K; Merková M; Cernotová A; Smelík M
[Ad] Endereço:Department of Environmental Engineering, Faculty of Technology, Tomas Bata University in Zlín, Vavreckova 275, 762 72 Zlín, Czech Republic E-mail: ruzickaj@ft.utb.cz.
[Ti] Título:Microbial degradation of N-methyl-2-pyrrolidone in surface water and bacteria responsible for the process.
[So] Source:Water Sci Technol;73(3):643-7, 2016.
[Is] ISSN:0273-1223
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Due to widespread utilization in many industrial spheres and agrochemicals, N-methyl-2-pyrrolidone (NMP) is a potential contaminant of different surface water ecosystems. Hence, investigation was made into its aerobic microbial degradability in samples of water from a river, wetland area and spring. The results showed that the compound was degradable in all water types, and that the fastest NMP removal occurred in 4 days in river water, while in the wetland and spring samples the process was relatively slow, requiring several months to complete. Key bacterial degraders were successfully isolated in all cases, and their identification proved that pseudomonads played a major role in NMP degradation in river water, while the genera Rhodococcus and Patulibacter fulfilled a similar task in the wetland sample. Regarding spring water, degrading members of the Mesorhizobium and Rhizobium genera were found.
[Mh] Termos MeSH primário: Bactérias/metabolismo
Nascentes Naturais/análise
Pirrolidinonas/metabolismo
Rios/química
Poluentes Químicos da Água/metabolismo
Zonas Úmidas
[Mh] Termos MeSH secundário: Actinobacteria/metabolismo
República Tcheca
Nascentes Naturais/microbiologia
Pseudomonadaceae/metabolismo
Rhodococcus/metabolismo
Rios/microbiologia
Fatores de Tempo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Pyrrolidinones); 0 (Water Pollutants, Chemical); JR9CE63FPM (N-methylpyrrolidone)
[Em] Mês de entrada:1604
[Cu] Atualização por classe:161126
[Lr] Data última revisão:
161126
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160216
[St] Status:MEDLINE
[do] DOI:10.2166/wst.2015.540



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