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521
Immunogenicity of Type IV Pilin Proteins from <i>Clostridium perfringens</i> in Chickens
Published 2025-01-01“…Type IV pili proteins have been shown to be immunogenic in many Gram-positive bacteria. The aims of this study were to evaluate the immunogenic potential of pilins (PilA1, PilA2 and PilA3) from <i>C. perfringens</i> in chickens and to verify their ability to protect against necrotic enteritis. …”
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522
Experimental and computational studies of Schiff bases derived from 4-aminoantipyrine as potential antibacterial and anticancer agents
Published 2025-01-01“…In this studio, a series of Schiff bases 3a–h derived from 4-aminoantipyrine and substituted cinnamaldehydes were evaluated in vitro against liver (HepG2) and thyroid (THJ29T) cancer cells, Gram-positive and Gram-negative multidrug-resistant bacteria, and biofilm-forming pathogens. …”
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523
Chemical Composition, Antioxidant Potential, and Antibacterial Activity of Essential Oil Cones of Tunisian Cupressus sempervirens
Published 2015-01-01“…Moreover, its antibacterial activity was tested against different species of pathogenic bacteria (three Gram-positive and eight Gram-negative bacteria). The bacterial strains susceptible to the evaluated oil were Bacillus subtilis, Escherichia coli, Klebsiella oxytoca, Morganella morganii, Shigella, and Vibrio cholerae.…”
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524
Modulation of Th1/Th2 Immune Responses by Killed Propionibacterium acnes and Its Soluble Polysaccharide Fraction in a Type I Hypersensitivity Murine Model: Induction of Different A...
Published 2015-01-01“…Propionibacterium acnes (P. acnes) is a gram-positive anaerobic bacillus present in normal human skin microbiota, which exerts important immunomodulatory effects, when used as heat- or phenol-killed suspensions. …”
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525
Chemical Composition and Antimicrobial Activity of Essential Oil of <i>Camphora glanduliferum</i> ‘Honganzhang’
Published 2025-01-01“…In terms of antibacterial effect, CGHEO has significant antibacterial effects on three Gram-negative bacteria (<i>Escherichia coli</i>, <i>Salmonella enteritidis</i>, and <i>Pseudomonas aeruginosa</i>), and two Gram-positive bacteria (<i>Bacillus subtilis</i> and <i>Staphylococcus aureus</i>). …”
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526
Novel Antibacterial 4-Piperazinylquinoline Hybrid Derivatives Against <i>Staphylococcus aureus</i>: Design, Synthesis, and In Vitro and In Silico Insights
Published 2024-12-01“…The whole set was tested in vitro against <i>Staphylococcus aureus</i> ATCC 25923 and <i>Pseudomonas aeruginosa</i> ATCC 10145 representative Gram-positive and Gram-negative strains, respectively. …”
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527
The burden of group A Streptococcus (GAS) infections: The challenge continues in the twenty-first century
Published 2025-01-01“…Summary: Streptococcus pyogenes is a Gram-positive bacterium, also known as Group A Streptococcus (GAS), that has become a significant threat to the healthcare system, infecting more than 18 million people and resulting in more than 500,000 deaths annually worldwide. …”
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528
Microbial Profiles of Rhizosphere and Bulk Soil Microbial Communities of Biofuel Crops Switchgrass (Panicum virgatum L.) and Jatropha (Jatropha curcas L.)
Published 2012-01-01“…Switchgrass soil contained a significantly (P<0.05) higher abundance of Gram-positive (i14:0, i15:0, a15:0), Gram-negative (16:1ω5c, 16:1ω7c, 18:1ω5c), and saturated (14:0, 15:0) PLFAs compared to jatropha soil, whereas jatropha had a higher abundance of fungal (18:2ω6, 9c), 18:1ω9c, 20:1ω9c, and 18:0 PLFAs compared to switchgrass soil. …”
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529
Random antimicrobial peptide mixtures as non-antibiotic antimicrobial agents for cultured meat industry
Published 2025-06-01“…RPMs displayed strong bactericidal activity against Gram-positive bacteria, achieving a 6-log reduction of L. monocytogenes in cell culture medium without any cytotoxicity. …”
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530
Isolation and characterization of a novel highly efficient bacterium Lysinibacillus boronitolerans QD4 for quantum dot biosynthesis
Published 2025-01-01“…The isolated strain is a Gram-positive, aerobic, flagellated, and rod-shaped bacterium, isolated from seawater. …”
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531
Towards New Scaffolds for Antimicrobial Activity—In Silico/In Vitro Workflow Introducing New Lead Compounds
Published 2024-12-01“…Compounds from both libraries that were not previously screened for their antimicrobial properties were tested in vitro against Gram-positive and Gram-negative bacterial strains. The microdilution method was used to determine the minimum inhibitory concentrations (MICs). …”
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532
Effectiveness of the Local Natural Methods of Extending Fruit Shelf Life in Selected Cooler Parts of Uganda.
Published 2024“…Many types of microorganisms can be found on fruit including Gram-negative bacteria, Gram-positive bacteria, and fungi (yeasts and molds). …”
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533
Microbiology /
Published 2005Table of Contents: “…The history and scope of microbiology -- The study of microbial structure: microscopy and specimen preparation -- Procaryotic cell structure and function -- Eucaryotic cell structure and function -- Microbial nutrition -- Microbial growth -- Control of microorganisms by physical and chemical agents -- Metabolism: energy, enzymes, and regulation -- Metabolism: energy release and conservation -- Metabolism: the use of energy in biosynthesis -- Genes: structure, replication, and mutation -- Genes: expression and regulation -- Microbial recombination and plasmids -- Recombinant DNA technology -- Microbial Genomics -- The viruses: introduction and general characteristics -- The viruses: bacteriophages -- The viruses: viruses of eucaryotes -- Microbial taxonomy -- The archaea -- Bacteria: the deinococci and nonproteobacteria gram negatives -- Bacteria: the proteobacteria -- Bacteria: the Low G 1 C gram positives -- Bacteria: the High G 1 C gram positivies -- The fungi (eumycota), slime molds, and water molds -- The algae -- The protozoa -- Microorganism interactions and microbial ecology -- Microorganisms in aquatic environments -- Microorganisms in terrestrial environments -- Normal microbiota and nonspecific host resistance -- Specific immunity -- Medical immunology -- Pathogenicity of microorganisms -- Antimicrobial chemotherapy -- Clinical microbiology -- The epidemiology of infectious disease -- Human diseases caused by viruses -- Human diseases caused by bacteria -- Human diseases causedd by fungi and protozoa -- Microbiology of food -- Industrial microbiology and biotechnology.…”
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534
Midgut immune profiling and functional characterization of Aedes aegypti ABC transporter gene(s) using systemic and local bacterial challenges
Published 2025-01-01“…Methods To identify the midgut-expressed ABC transporters, the mosquitoes were challenged with a mixture of gram-negative (Escherichia coli) and gram-positive (Micrococcus luteus) bacteria, and the expression of all ABC transporters was analysed with PCR using gene-specific primers. …”
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535
The prevalence of optrA-carrying Enterococci in the vaginal micro-ecology of pregnant women in late pregnancy
Published 2025-01-01“…Linezolid (LZD) is a kind of mainstream drug for treating multidrug-resistant Gram-positive infections. OptrA is the main LZD-resistance gene at Enterococci in human isolates. …”
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536
Green Synthesis of Antibacterial CuO Nanoparticles Based on the Synergy Between <i>Cornu aspersum</i> Snail Mucus and Ascorbic Acid
Published 2025-01-01“…Another important advantage of CuONPs obtained by the new method with two reducing agents is the stronger inhibitory effect on the bacterial growth of some Gram-positive and Gram-negative bacterial strains, compared to CuONPs-Muc prepared with only one reducing agent, i.e., a fraction of mucus with an MW > 20 kDa.…”
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537
Cutaneous Anthrax: What is the Hallmark?
Published 2024-10-01“…Gram staining of the tissue underneath the eschar found Gram-positive rod bacteria in reddish-purple color. The patient was clinically diagnosed with probable cutaneous anthrax, and was treated with amoxicillin 500 mg orally t.i.d. for three days and paracetamol 500 mg if fever developed. …”
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538
Bacterial profile and antibiotic susceptibility pattern of adult lower respiratory tract infections in Colombo, Sri Lanka
Published 2018-03-01“…Discussion and Conclusion: In our study, the most predominant pathogens recovered from LRTIs were P. aeruginosa and coliforms (Klebsiella spp.) as Gram negative, and S. pneumoniae as Gram positive bacteria. Co-amoxyclav, 3rd generation cephalosporins, quinolones and all second line antibiotics tested were the most efficient antibiotics in treatment of LRTIs, differently from ampicillin, erythromycin and penicillin that were not efficient antibiotics in treating this disease in our locality.…”
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539
Microbiota Landscape of Gut System of Guppy Fish (Poecilia reticulata) Plays an Outstanding Role in Adaptation Mechanisms
Published 2019-01-01“…Tolerance to trace metals was observed in Gram-positive and Gram-negative bacteria. We showed that minimal inhibitory concentration (MIC) of some microbiota isolated from gut systems has been found including for mercury (Hg) between 2 and 4‰, cobalt (Co) Co (2 and 5‰), zinc (Zn) (9 and 18‰), and plomb (Pb) (22 and 27‰). …”
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540
Selected Biomarkers Correlate with the Origin and Severity of Sepsis
Published 2018-01-01“…Next, cortisol levels were higher in IE patients than in those with BM and CAP, and at one time point, cortisol was also higher in patients with gram-negative sepsis when compared to those with gram-positive infections. Furthermore, cortisol and MCP-1 levels correlated positively with the daily measured SOFA score. …”
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