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  1. Article ; Online: Prevalence and Antibiogram of Escherichia coli isolates recovered from bovine milk

    Abdelrahman Subhi / Aalaa Saad / Kamelia Osman / Mahmoud Hashad / Heba Deif

    Journal of Applied Veterinary Sciences, Vol 8, Iss 3, Pp 82-

    2023  Volume 90

    Abstract: Antimicrobial resistance is considered a major threat facing humanity. It doesn’t only affect public health, but also causes great losses in the dairy industry. Mastitis is a major threat to the dairy industry. The aim of this study was to monitor the ... ...

    Abstract Antimicrobial resistance is considered a major threat facing humanity. It doesn’t only affect public health, but also causes great losses in the dairy industry. Mastitis is a major threat to the dairy industry. The aim of this study was to monitor the antimicrobial resistance of Escherichia coli (E. coli) collected from raw milk of both healthy and mastitis cows and buffaloes in Egypt. In total, 450 milk samples were collected and examined in the period from 2018 to 2021. The samples were collected from healthy cows and buffaloes (30, 58), suffering from clinical mastitis (139, 223) respectively. E. coli was isolated from 33 mastitis milk samples (9.1%) and from 3 (3.4%) normal milk samples. The antibiotic susceptibility testing was performed using the disc diffusion method (Kirby-Bauer method). E. coli isolated from mastitis milk samples showed resistance to amoxicillin-clavulanic acid (75.8%), ceftazidime (75.8%), colistin (69.8%), ampicillin (39.4%), imipenem (24.2%), trimethoprim-sulfamethoxazole (24.2%), aztreonam (15.2%), cefotaxime (15.2%), tetracycline (15.2%), ciprofloxacin (12.2%), chloramphenicol (6%), and gentamicin (3%). E. coli isolated from normal milk samples showed resistance to ampicillin, and imipenem (66.7%), each, and amoxicillin-clavulanic acid, tetracycline, and trimethoprim-sulfamethoxazole (33.3%), each. The Extended Spectrum -Lactamases test (ESBL) performed on the E. coli isolates showed positive results in 9% of mastitis milk samples, but no results in normal milk samples. Out of 36 E. coli isolates, 34 possessed the ampC gene, but blaTEM and blaSHV were detected in 5 isolates with percentages of 94%, 1.4%, and 1.4%, respectively, while BlaIPM and Sul1 were found in one isolate (2.7%), for each.
    Keywords antibiogram ; bovine mastitis ; e. coli ; esbls ; milk ; Zoology ; QL1-991 ; Veterinary medicine ; SF600-1100 ; Animal biochemistry ; QP501-801
    Subject code 630
    Language English
    Publishing date 2023-07-01T00:00:00Z
    Publisher Egyptian Society for Animal Management
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article: Prevalence, Pathogenicity, Virulence, Antibiotic Resistance, and Phylogenetic Analysis of Biofilm-Producing

    Osman, Kamelia M / Kappell, Anthony D / Fox, Edward M / Orabi, Ahmed / Samir, Ahmed

    Pathogens (Basel, Switzerland)

    2019  Volume 9, Issue 1

    Abstract: Serious outbreaks of foodborne disease have been caused ... ...

    Abstract Serious outbreaks of foodborne disease have been caused by
    Language English
    Publishing date 2019-12-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens9010005
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Virulence Traits and Antimicrobial Sensitivity Testing of Untyped Mycoplasma species Recovered from Sheep and Goat in Egypt

    Mona, M. Osman / Manal Abu Elmakarem Mohamed / Heba, N. Deif / Kamelia, M. Osman

    Journal of Applied Veterinary Sciences, Vol 6, Iss 4, Pp 39-

    2021  Volume 45

    Abstract: Many Mycoplasma species are involved in caprine and ovine pneumonia all over the world causing serious economic losses. These species have been reported to cause pneumonia, mastitis, arthritis, conjunctivitis and genital infection. The objective of the ... ...

    Abstract Many Mycoplasma species are involved in caprine and ovine pneumonia all over the world causing serious economic losses. These species have been reported to cause pneumonia, mastitis, arthritis, conjunctivitis and genital infection. The objective of the present study was to detect Mycoplasma species in the respiratory system of sheep and goats. So, a total of 400 samples (250 from sheep and 150 from goat) were examined bacteriologically, biochemically, by PCR, sequencing, in addition to the antibiotic susceptibility profiles screening. Only 13 isolates could be identified as Mycoplasma species. One of these sequences was submitted to the Genbank taking the accession number MK910041; Mycoplasma species 'ovine/caprine serogroup 11'. Only 7 isolates were weak biofilm producers and the other 6 isolates were non biofilm producers; 8 isolates were positive for the catalase test and 5 were negative. H2S production was recorded in 10 isolates; haemolysis was detected in only 6 isolates. In addition, the minimum inhibitory concentrations (MICs) for seven antimicrobial agents, including danofloxacin, tulathromycin, tylosin, streptomycin, lincomycin, florfenicol and oxytetracycline, were determined. All the isolates (100%) were sensitive to tulathromycin and tylosin, streptomycin and oxytetracycline; 38.5% were sensitive to danofloxacin, 69.2% were sensitive to florfenicol, while 69.2% of isolates were resistant to lincomycin. As all the isolates were recovered from apparently healthy and clinically diseased animals and identified as untyped Mycoplasma species, more investigations will be done to identify these isolates and discover their roles in infection.
    Keywords biofilm-formation ; goat ; sheep ; untyped-mycoplasma-species ; virulence-genes ; Zoology ; QL1-991 ; Veterinary medicine ; SF600-1100 ; Animal biochemistry ; QP501-801
    Language English
    Publishing date 2021-10-01T00:00:00Z
    Publisher Egyptian Society for Animal Management
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Microbiological, Phenotypic Characteristics, Antimicrobial Resistance Profile and Molecular Identification of Acinetobacter species Isolated from Meat of Different Sources in Egypt

    Aya A.A. Ahmed / Heba N. Deif / Aalaa Saad / Kamelia M. Osman

    Journal of Applied Veterinary Sciences, Vol 6, Iss 4, Pp 67-

    2021  Volume 74

    Abstract: Although food is very important for human life, it may be life-threatening. Foodborne diseases are spreading worldwide through the increasing rate of fresh and undercooked food consumption. Foodborne pathogens include many types of bacterial species. ... ...

    Abstract Although food is very important for human life, it may be life-threatening. Foodborne diseases are spreading worldwide through the increasing rate of fresh and undercooked food consumption. Foodborne pathogens include many types of bacterial species. This study was conducted to determine the prevalence of Acinetobacter species isolated from meat samples and their phenotypic characteristics, antimicrobial resistance profiles, and genotypic characteristics. A total of 110 samples, collected from chickens (n=50), beef (n=44), rabbits (n=10), and mutton (n=6), were examined bacteriologically. The suspected colonies were identified biochemically and then tested for antimicrobial resistance, biofilm formation, and hemolytic activity; identification was confirmed by Polymerase Chain Reaction (PCR) for the genes; rpoB, tarT, fimH, and espA. Nine Acinetobacter species isolates (8.2%) were recovered. Fifty five samples resulted in the isolation of non-lactose fermenters with an incidence of 50%, 29 produced late lactose fermenters with an incidence of 26%. The rest of the samples showed no growth or non-lactose fermenters. On antibiogram, the isolates showed high resistance to ceftriaxone, imipenem, ceftazidime and ticarcillin/clavulanic acid in percentages of 89%, 77.8%, 66.7% and 66.7 %, respectively. While low resistance was found to sulfamethazole/ trimethoprim, doxycycline and amikacin in percentages of 44.4%, 33.3% and 11.1%, respectively. However, the isolates showed no resistance to ciprofloxacin. All the isolates were MDR with MDRindex (more than 0.5). Only one isolate was a weak biofilm producer but, no isolates produced hemolysis of the sheep RBCs. Genetically, 88.9% of the isolates expressed tarT and fimH genes, while only 5.6% of the isolates expressed espA gene. It can be concluded that Acinetobacter species are to be considered when inspecting meat samples of different sources.
    Keywords acinetobacter ; ast ; meat ; pcr ; virulence ; Zoology ; QL1-991 ; Veterinary medicine ; SF600-1100 ; Animal biochemistry ; QP501-801
    Subject code 580
    Language English
    Publishing date 2021-10-01T00:00:00Z
    Publisher Egyptian Society for Animal Management
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Chromosomal studies on drug resistance genes in extended spectrum β-lactamases producing-Klebsiella pneumoniae isolated from equine

    Nehal M. Fawzy / Shaimaa R. A. Abd Elmawgoud / Soumaya S. A. El-Shafii / Azza N. Farag / Kamelia M. Osman

    Beni-Suef University Journal of Basic and Applied Sciences, Vol 11, Iss 1, Pp 1-

    2022  Volume 18

    Abstract: Abstract Background K. pneumoniae is one of the most virulent and multidrug resistant bacteria, of great concern in both human and veterinary medicine. Studies conducted on the drug resistance of Klebsiella pneumoniae in equine are lack in Egypt. Results ...

    Abstract Abstract Background K. pneumoniae is one of the most virulent and multidrug resistant bacteria, of great concern in both human and veterinary medicine. Studies conducted on the drug resistance of Klebsiella pneumoniae in equine are lack in Egypt. Results The distribution pattern of ten drug resistance genes were investigated and analyzed among fifteen Klebsiella isolates (previously isolated, identified and antibiogram tested). The targeted determinant genes were coded on the chromosomes, conferring the resistance against β-lactams, carbapenems, fluoroquinolones and aminoglycosides, in addition to the gene determinants of porin protein and efflux pump. The study revealed an incidence rate of 86.7, 100, 23, 7.7, 0, 0, 73.3, 40, 100 and 0% for the genes bla CTX-M , bla TEM , bla KPC, bla NDM-1, bla VIM , qnrB, qnrS, aadA1, AcrAB and ompK35 respectively. The Extended Spectrum β-lactamase-production coding genes were detected in all strains with at least one of their genes. In addition, the efflux pump codding gene and mutation in porin protein gene, which are two important co-factors in the drug resistance mechanism were also detected in all strains. By investigating the association of the drug resistance determinants within a single strain, it was showed that 40% (6/15) of the strains harbored 5 associated genes, 27.7% (4/15) harbored 6 associated genes, 13.3% (2/15) harbored 4 and 7 genes as well and finally only 1 isolate harbored 3 determinants, with complete absence of strains having sole existence of one gene or even two. Pareto chart elucidated that the association of β-lactamases, AcrAB and Qnr with the mutation of the porin protein was the most existed (26.7%). Interestingly, the sequencing results of the CTX-M PCR amplicons were typed as OXY-5 (50%), CTX-M-15 (40%) and CTX-M-27 (10%). Conclusions The current study represented the first record of the drug resistance genes’ predominance and their association among the K. pneumoniae strains; recovered from equine in Egypt, offering a helpful guide for ...
    Keywords Klebsiella pneumoniae ; Extended spectrum β-lactamases (ESBL) ; Drug resistance genes ; Equine ; Egypt ; Medicine (General) ; R5-920 ; Science ; Q
    Subject code 572
    Language English
    Publishing date 2022-05-01T00:00:00Z
    Publisher SpringerOpen
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Virulence, antimicrobial resistance and phylogenetic analysis of zoonotic walking pneumonia Mycoplasma arginini in the one-humped camel (Camelus dromedarius).

    Abdelazeem, Walaa Mohammed / Zolnikov, Tara Rava / Mohammed, Zeinab Roshdy / Saad, Alaa / Osman, Kamelia M

    Acta tropica

    2020  Volume 207, Page(s) 105500

    Abstract: ... to identify mycoplasmas from camels (Camelus dromedarius) and extending the arsenal of factors implicated ... apparently healthy; n=250) were randomly collected from the one-humped camels (C. domedarius) that have been ...

    Abstract In the scientific literature, a small amount of information is found concerning mycoplasmosis in camel species. A variety of pathogens could be causative agents for pneumonia, but walking pneumonia is mostly caused by Mycoplasma with slow development and mild symptoms. The aim of this study was to identify mycoplasmas from camels (Camelus dromedarius) and extending the arsenal of factors implicated in pathogenicity of M. arginini to shed light on the current knowledge gap. 460 lung samples (pneumonic; n=210 and apparently healthy; n=250) were randomly collected from the one-humped camels (C. domedarius) that have been imported from Sudan and slaughtered at Cairo Slaughterhouse. 48 out of 210 isolates (22.9%) recovered from the pneumonic lungs were recorded as M. arginini. Positive PCR results were obtained for all 48 isolates. On the other hand, infection with the organism was not detected in the apparently healthy lungs. Hemolysis and hydrogen sulphide (H
    MeSH term(s) Animals ; Anti-Bacterial Agents/pharmacology ; Camelus/microbiology ; Drug Resistance, Bacterial/drug effects ; Mycoplasma/drug effects ; Mycoplasma/genetics ; Mycoplasma/isolation & purification ; Mycoplasma/pathogenicity ; Phylogeny ; Virulence/genetics
    Chemical Substances Anti-Bacterial Agents
    Keywords covid19
    Language English
    Publishing date 2020-04-21
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2020.105500
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Phoenix dactylifera, mentha piperita and montanide™ ISA-201 as immunological adjuvants in a chicken model.

    Osman, Kamelia M / Kamal, Osama E / Deif, Heba N / Ahmed, Marwa M

    Acta tropica

    2019  Volume 202, Page(s) 105281

    Abstract: This study evaluated plant-based immune-adjuvants from crude extracts of Phoenix dactylifera and Mentha piperita as promising adjuvants for vaccines because of the limited side effects associated with plant extracts. In addition, Montanide™ ISA 201 ... ...

    Abstract This study evaluated plant-based immune-adjuvants from crude extracts of Phoenix dactylifera and Mentha piperita as promising adjuvants for vaccines because of the limited side effects associated with plant extracts. In addition, Montanide™ ISA 201 previously used in vaccines in cattle. Eight different infectious coryza (IC) vaccines were prepared from three serovars [A (W strain and local strain), C (Modesto strain) and B (0222 strain)] with eight Avibacterium paragallinarum vaccines adjuvants formulae using liquid paraffin, Montanide™ ISA 71, Montanide™ ISA 201, and Montanide™ Gel adjuvants, P. dactylifera and M. piperita as immune-stimulants at a concentration of 1 mg and 2 mg incorporated with or without liquid paraffin oil as an adjuvant. These vaccines were applied in a chicken model. After a single immunization, the eight vaccine formulations were evaluated using the ELISA and Microplate agglutination test. Evidence of protection in the immunized birds was based on the results after challenge and bacterial isolation. The incorporation of the crude aqueous extract of P. dactylifera or M. piperita at a concentration of 2 mg in a liquid paraffin oil adjuvanted IC vaccine could be employed as an efficient adjuvant for chicken to IC vaccine to enhance immune responses. Also,Montanide™ ISA 201 may be the best adjuvant to be used to enhance the protective response against Av. paragallinarum. Our results confirm that aqueous extracts of M. piperita leaves and P. dactylifera fruit have immunomodulatory potentials in vivo and elevated serum antibodies against Av. Paragallinarum.
    MeSH term(s) Adjuvants, Immunologic ; Animals ; Antibodies, Bacterial/blood ; Bacterial Vaccines/immunology ; Chickens ; Immunization ; Mannitol/analogs & derivatives ; Mannitol/pharmacology ; Mentha piperita ; Oleic Acids/pharmacology ; Pasteurellaceae/immunology ; Phoeniceae ; Poultry Diseases/prevention & control ; Vaccination/veterinary
    Chemical Substances Adjuvants, Immunologic ; Antibodies, Bacterial ; Bacterial Vaccines ; Oleic Acids ; montanide ISA-201 ; mannide monooleate (25339-93-9) ; Mannitol (3OWL53L36A)
    Language English
    Publishing date 2019-11-21
    Publishing country Netherlands
    Document type Clinical Trial, Veterinary ; Journal Article
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2019.105281
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Phoenix dactylifera, mentha piperita and montanideTM ISA-201 as immunological adjuvants in a chicken model

    Osman, Kamelia M / Kamal, Osama E / Deif, Heba N / Ahmed, Marwa M

    Acta tropica. 2020 Feb., v. 202

    2020  

    Abstract: This study evaluated plant-based immune-adjuvants from crude extracts of Phoenix dactylifera and Mentha piperita as promising adjuvants for vaccines because of the limited side effects associated with plant extracts. In addition, MontanideTM ISA 201 ... ...

    Abstract This study evaluated plant-based immune-adjuvants from crude extracts of Phoenix dactylifera and Mentha piperita as promising adjuvants for vaccines because of the limited side effects associated with plant extracts. In addition, MontanideTM ISA 201 previously used in vaccines in cattle. Eight different infectious coryza (IC) vaccines were prepared from three serovars [A (W strain and local strain), C (Modesto strain) and B (0222 strain)] with eight Avibacterium paragallinarum vaccines adjuvants formulae using liquid paraffin, MontanideTM ISA 71, MontanideTM ISA 201, and MontanideTM Gel adjuvants, P. dactylifera and M. piperita as immune-stimulants at a concentration of 1 mg and 2 mg incorporated with or without liquid paraffin oil as an adjuvant. These vaccines were applied in a chicken model. After a single immunization, the eight vaccine formulations were evaluated using the ELISA and Microplate agglutination test. Evidence of protection in the immunized birds was based on the results after challenge and bacterial isolation. The incorporation of the crude aqueous extract of P. dactylifera or M. piperita at a concentration of 2 mg in a liquid paraffin oil adjuvanted IC vaccine could be employed as an efficient adjuvant for chicken to IC vaccine to enhance immune responses. Also,MontanideTM ISA 201 may be the best adjuvant to be used to enhance the protective response against Av. paragallinarum. Our results confirm that aqueous extracts of M. piperita leaves and P. dactylifera fruit have immunomodulatory potentials in vivo and elevated serum antibodies against Av. Paragallinarum.
    Keywords Avibacterium paragallinarum ; Mentha piperita ; Phoenix dactylifera ; adjuvants ; adverse effects ; agglutination tests ; animal models ; antibodies ; blood serum ; cattle ; chickens ; enzyme-linked immunosorbent assay ; fruits ; immune response ; immunization ; leaves ; liquids ; oils ; plant extracts ; serotypes ; vaccines
    Language English
    Dates of publication 2020-02
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2019.105281
    Database NAL-Catalogue (AGRICOLA)

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  9. Article ; Online: Surveillance of Escherichia coli in different types of chicken and duck hatcheries: one health outlook.

    Yousef, Hend M Y / Hashad, Mahmoud E / Osman, Kamelia M / Alatfeehy, Nayera M / Hassan, Wafaa M M / Elebeedy, Lamia A / Salem, Heba M / Shami, Ashwag / Al-Saeed, Fatimah A / El-Saadony, Mohamed T / El-Tarabily, Khaled A / Marouf, Sherif

    Poultry science

    2023  Volume 102, Issue 12, Page(s) 103108

    Abstract: Escherichia coli is an important zoonotic bacterium that significantly impacts one health concept. E. coli is normally detected in the gut of warm-blooded animals, but some serotypes can cause diseases in humans and animals. Moreover, it can continue for ...

    Abstract Escherichia coli is an important zoonotic bacterium that significantly impacts one health concept. E. coli is normally detected in the gut of warm-blooded animals, but some serotypes can cause diseases in humans and animals. Moreover, it can continue for a long time in different environments, replicate in water, and survive outside different hosts. In this study, 171 samples collected from 10 different types of poultry hatcheries (automatic, semiautomatic, and manual "traditional" types) were examined for the prevalence of E. coli. PCR was applied to verify the E. coli isolates via 16S rRNA gene-specific primers. From the gathered samples, 62 E. coli isolates were recovered (36.3%). The highest prevalence was met with the manual "traditional" hatcheries (57.1%) with no significance difference (P = 0.243) in the 3 types of hatcheries. The incidence of E. coli varied significantly in different tested avian types and breeds. The prevalence was 35.7% in duck hatcheries and 37% in chicken hatcheries, with significant differences between breeds of both species (P = 0.024 and 0.001, respectively). The identification of zoonotic E. coli serotypes in this study is concerning, highlighting the need for collaborative efforts across various sectors, including social, environmental, and governance, to promote the adoption of the one health principle in the chicken business. Periodical surveillance, biosecurity measures at the hatcheries and farm levels, and boosting the immunity of birds were recommended to limit the risk of E. coli spread from avian sources to humans.
    MeSH term(s) Humans ; Animals ; Escherichia coli/genetics ; Chickens/genetics ; Ducks/genetics ; One Health ; RNA, Ribosomal, 16S ; Escherichia coli Infections/epidemiology ; Escherichia coli Infections/veterinary ; Escherichia coli Infections/microbiology ; Poultry Diseases/epidemiology ; Poultry Diseases/microbiology ; Anti-Bacterial Agents
    Chemical Substances RNA, Ribosomal, 16S ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-09-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 242586-5
    ISSN 1525-3171 ; 0032-5791
    ISSN (online) 1525-3171
    ISSN 0032-5791
    DOI 10.1016/j.psj.2023.103108
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Pseudomonas

    Osman, Kamelia / Orabi, Ahmed / Elbehiry, Ayman / Hanafy, Mai H / Ali, Amr M

    Future microbiology

    2019  Volume 14, Page(s) 609–622

    Abstract: Aim: ...

    Abstract Aim:
    MeSH term(s) Animals ; Anti-Bacterial Agents/pharmacology ; Bacterial Proteins ; Biofilms/growth & development ; Camelus ; Cercopithecus aethiops ; Disk Diffusion Antimicrobial Tests ; Drug Resistance, Multiple, Bacterial/drug effects ; Drug Resistance, Multiple, Bacterial/genetics ; Egypt/epidemiology ; Endopeptidases ; Food Microbiology ; Genes, Bacterial/genetics ; Meat/microbiology ; Pancreatic Elastase ; Polymerase Chain Reaction/methods ; Pseudomonas/classification ; Pseudomonas/drug effects ; Pseudomonas/genetics ; Pseudomonas/isolation & purification ; Pseudomonas Infections/epidemiology ; Pseudomonas Infections/microbiology ; Pseudomonas Infections/veterinary ; Pseudomonas aeruginosa/drug effects ; Pseudomonas aeruginosa/isolation & purification ; Pseudomonas fluorescens/drug effects ; Pseudomonas fluorescens/isolation & purification ; Pyocyanine ; Quorum Sensing/genetics ; Vero Cells ; Virulence/genetics ; Virulence Factors/genetics ; beta-Lactamases/genetics
    Chemical Substances Anti-Bacterial Agents ; Bacterial Proteins ; Virulence Factors ; Pyocyanine (9OQM399341) ; Endopeptidases (EC 3.4.-) ; Pancreatic Elastase (EC 3.4.21.36) ; alkaline protease (EC 3.4.99.-) ; beta-Lactamases (EC 3.5.2.6)
    Language English
    Publishing date 2019-04-18
    Publishing country England
    Document type Journal Article
    ISSN 1746-0921
    ISSN (online) 1746-0921
    DOI 10.2217/fmb-2018-0293
    Database MEDical Literature Analysis and Retrieval System OnLINE

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