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You searched for: Publication year rev 7992-2008 Remove constraint Publication year rev: 7992-2008 Publication Year 2008 Remove constraint Publication Year: 2008 Subject Pseudomonas aeruginosa Remove constraint Subject: Pseudomonas aeruginosa Subject term antibiotics Remove constraint Subject term: antibiotics
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1. An examination of the antibiotic effects of cylindrospermopsin on common gram-positive and gram-negative bacteria and the protozoan Naegleria lovaniensis

Author:
Rasmussen, J. Paul; Cursaro, Michael; Froscio, Suzanne M.; Saint, Christopher P.
Source:
Environmental toxicology 2008 v.23 no.1 pp. 36-43
ISSN:
1520-4081
Subject:
Bacillus subtilis; Escherichia coli; Gram-negative bacteria; Naegleria; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; antibiotics; cylindrospermopsin; lethal concentration 50; minimum inhibitory concentration; protein synthesis; protein synthesis inhibitors
Abstract:
... The importance of the toxin cylindrospermopsin to the function and fitness of the cyanobacteria that produce it remains a matter of conjecture. Given that the structure of cylindrospermopsin has commonalities with other antibacterial protein synthesis inhibitors, such as streptomycin, authors tested the possibility that the toxin might act as an antibacterial compound that can kill competing micro ...
DOI:
10.1002/tox.20311
PubMed:
18214928

2. Analysis and the potential applications of essential oil and leaf extracts of Silene armeria L. to control food spoilage and food-borne pathogens

Author:
Bajpai, Vivek K.; Dung, Nguyen Thi; Kwon, O. Jun; Kang, Sun Chul
Source:
European food research & technology 2008 v.227 no.6 pp. 1613-1620
ISSN:
1438-2377
Subject:
Bacillus subtilis; Enterobacter aerogenes; Escherichia coli; Listeria monocytogenes; Pseudomonas aeruginosa; Salmonella Enteritidis; Salmonella Typhimurium; Silene armeria; Staphylococcus aureus; antibacterial properties; antibiotics; bacteria; chemical composition; chloroform; essential oils; ethyl acetate; eugenol; farnesol; food pathogens; food research; food safety; food spoilage; gas chromatography-mass spectrometry; hexane; hydrodistillation; leaf extracts; linalool; methanol; methylamine; minimum inhibitory concentration; oils
Abstract:
... The aim of this study was to analyze the chemical composition of essential oil isolated from the floral parts of Silene armeria L. by hydrodistillation and to test the efficacy of essential oil and the various leaf extracts against a diverse range of microorganisms comprising food spoilage and food-borne pathogenic bacteria. The chemical composition of essential oil was analyzed by the GC-MS. It w ...
DOI:
10.1007/s00217-008-0885-z

3. Antimicrobial effects of H4-(86-100), histogranin and related compounds - possible involvement of DNA gyrase

Author:
Lemaire, Simon; Trinh, Thuy-Tiên; Le, Hoang-Thanh; Tang, Shun-Chii; Hincke, Maxwell; Wellman-Labadie, Olivier; Ziai, Sophie
Source:
FEBS journal 2008 v.275 no.21 pp. 5286-5297
ISSN:
1742-464X
Subject:
2,4-dinitrophenol; Bacillus subtilis; DNA; DNA topoisomerase (ATP-hydrolysing); Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; adenosine triphosphate; adenosinetriphosphatase; anti-infective properties; antibiotics; antimicrobial peptides; bacteria; cattle; fluoroacetic acid; histones; humans; in vitro studies; lethal dose 50; messenger RNA; oxidative phosphorylation; rats
Abstract:
... Histone-derived antimicrobial peptides have been identified in various organisms from plants to humans. The rat histone H4 mRNA variants, H4-v.1 and rat histogranin (HNr) mRNAs, were recently reported to be involved in the synthesis of H4-(86-100) and its related peptide HNr, respectively. Herein, the two peptides were investigated for putative antimicrobial activity and found to inhibit growth of ...
DOI:
10.1111/j.1742-4658.2008.06659.x
PubMed:
18803668

4. Comparative in vitro antimicrobial efficacy of commercial ear cleaners

Author:
Swinney, Alison; Fazakerley, Jennifer; McEwan, Neil; Nuttall, Tim
Source:
Veterinary dermatology 2008 v.19 no.6 pp. 373-379
ISSN:
0959-4493
Subject:
etiology; veterinary drugs; Staphylococcus intermedius; in vitro culture; bacterial colonization; antibiotics; dog diseases; dogs; drug evaluation; otitis externa; Malassezia pachydermatis; drug formulations; in vitro studies; Pseudomonas aeruginosa; bacterial infections; topical application; antibacterial properties
Abstract:
... The aim of this study was to compare the antimicrobial efficacy of ear cleaners against Staphylococcus intermedius, Pseudomonas aeruginosa and Malassezia pachydermatis. Single isolates of each organism were incubated in duplicate at 38 °C for 30 min with each ear cleaner diluted 1/2 to1/256 in phosphate-buffered saline. Positive and negative controls were included. Aliquots were then incubated for ...
DOI:
10.1111/j.1365-3164.2008.00713.x

5. Comparison of bacteriostatic and bactericidal activity of 13 essential oils against strains with varying sensitivity to antibiotics

Author:
Mayaud, L.; Carricajo, A.; Zhiri, A.; Aubert, G.
Source:
Letters in applied microbiology 2008 v.47 no.3 pp. 167-173
ISSN:
0266-8254
Subject:
Cinnamomum verum; Citrus sinensis; Cymbopogon citratus; Cymbopogon martinii; Eucalyptus globulus; Lavandula angustifolia; Melaleuca alternifolia; Origanum compactum; Pseudomonas aeruginosa; Syzygium aromaticum; Trachyspermum ammi; agar; aldehydes; antibacterial properties; antibiotic resistance; antibiotics; bacteria; bark; cross infection; essential oils; hydrocarbons; leaves; minimum inhibitory concentration; phenols
Abstract:
... To compare the bacteriostatic and bactericidal activity of 13 chemotyped essential oils (EO) on 65 bacteria with varying sensitivity to antibiotics. Fifty-five bacterial strains were tested with two methods used for evaluation of antimicrobial activity (CLSI recommendations): the agar dilution method and the time-killing curve method. EO containing aldehydes (Cinnamomum verum bark and Cymbopogon c ...
DOI:
10.1111/j.1472-765X.2008.02406.x
PubMed:
19552780

6. Effects of Ambroxol on Alginate of Mature Pseudomonas aeruginosa Biofilms

Author:
Li, Fang; Yu, Jialin; Yang, Hua; Wan, Zhenyan; Bai, Dan
Source:
Current microbiology 2008 v.57 no.1 pp. 1-7
ISSN:
0343-8651
Subject:
Pseudomonas aeruginosa; antibiotics; bacteria; biofilm; biosynthesis; genes; guanosine; neonates; pathogens; virulence
Abstract:
... Biofilm-forming bacteria Pseudomonas aeruginosa is a common pathogen in mechanically ventilated newborns, which can cause life-threatening infections. Alginate of mucoid Pseudomonas aeruginosa biofilms is considered an important virulence factor which contributes to the resistence to antibiotics. Traditionally, ambroxol is widely used in newborns with lung problems as a mucolytic agent and antioxi ...
DOI:
10.1007/s00284-008-9142-8
PubMed:
18389310

7. Endogenous oxidative stress produces diversity and adaptability in biofilm communities

Author:
Boles, Blaise R.; Singh, Pradeep K.
Source:
Proceedings of the National Academy of Sciences of the United States of America 2008 v.105 no.34 pp. 12503-12508
ISSN:
0027-8424
Subject:
DNA damage; DNA repair; Pseudomonas aeruginosa; antibiotic resistance; antibiotics; bacteria; biofilm; genes; genetic variation; mutagenicity; mutation; oxidative stress; pathogens
Abstract:
... Many bacterial species are capable of biofilm growth, in which cells live and replicate within multicellular community groups. Recent work shows that biofilm growth by a wide variety of bacterial species can generate genetic diversity in microbial populations. This finding is significant because the presence of diverse subpopulations can extend the range of conditions in which communities can thri ...
DOI:
10.1073/pnas.0801499105
PubMed:
18719125
PubMed Central:
PMC2527941

8. Integrated regulation involving quorum sensing, a two-component system, a GGDEF/EAL domain protein and a post-transcriptional regulator controls swarming and RhlA-dependent surfactant biosynthesis in Serratia

Author:
Williamson, Neil R.; Fineran, Peter C.; Ogawa, Wakano; Woodley, Louise R.; Salmond, George P.C.
Source:
Environmental microbiology 2008 v.10 no.5 pp. 1202-1217
ISSN:
1462-2912
Subject:
Gram-negative bacteria; Pseudomonas aeruginosa; Serratia; antibiotics; biosynthesis; cell walls; enzymes; genes; mutation; phenotype; pigments; protein synthesis; proteins; quorum sensing; secondary metabolites; surfactants
Abstract:
... Serratia sp. ATCC 39006 (Serratia 39006) is a Gram-negative bacterium which produces the secondary metabolite antibiotics, prodigiosin and 1-carbapen-2-em-3-carboxylic acid and secretes plant cell wall degrading enzymes. In this study we have identified mutations in the genes, pigX, rap and rsmA, which caused increased production of a previously unidentified surfactant and flagella-dependent swarm ...
DOI:
10.1111/j.1462-2920.2007.01536.x
PubMed:
18294208

9. Prophylactic and Therapeutic Efficacy of a Fully Human Immunoglobulin G1 Monoclonal Antibody to Pseudomonas aeruginosa Alginate in Murine Keratitis Infection

Author:
Zaidi, Tanweer; Pier, Gerald B.
Source:
Infection and immunity 2008 v.76 no.10 pp. 4720-4725
ISSN:
0019-9567
Subject:
Pseudomonas aeruginosa; antibiotics; bacteria; complement; cornea; humans; immunity; immunoglobulins; intraperitoneal injection; keratitis; mice; monoclonal antibodies; phagocytes; topical application
Abstract:
... Treatment of ulcerative keratitis due to Pseudomonas aeruginosa is difficult, time-consuming, and uncomfortable owing to the need for the frequent application of antibiotic drops to the infected corneal surface. We examined here whether a fully human immunoglobulin G1 monoclonal antibody (MAb) specific to the conserved alginate surface polysaccharide of P. aeruginosa could mediate protective immun ...
DOI:
10.1128/IAI.00496-08
PubMed:
18644881
PubMed Central:
PMC2546830

10. Pseudomonas-Associated Discospondylitis in a Two-Month-Old Llama

Author:
Radhakrishna Sura; Anne Creden; Herbert J. Van Kruiningen
Source:
Journal of veterinary diagnostic investigation v.20 no.3 pp. 349-352
ISSN:
1040-6387
Subject:
muscular diseases; necrosis; corticosterone; llamas; necropsy; hematology; legs; neonates; animal diseases; paresis; Pseudomonas aeruginosa; hyperglycemia; case studies; ataxia (disorder); bacterial infections; females; intervertebral disks; blood glucose; cervical spine; forelimbs; antibiotics; hormone supplements; cerebrospinal fluid; neutrophils; alkaline phosphatase
Abstract:
... A 2-month-old female llama with a history of tetraparesis was presented for necropsy. This cria was apparently normal until it became ataxic during its second week of life. It had diminished flexor reflexes of the left forelimb and both hind limbs. Hematology and serum biochemistry revealed neutrophilia, elevated alkaline phosphatase, elevated phosphorus, and modest hyperglycemia. Radiography of t ...
DOI:
10.1177/104063870802000316
PubMed:
18460625

11. Recovery of soil streptomycetes from arid habitats in Jordan and their potential to inhibit multi-drug resistant Pseudomonas aeruginosa pathogens

Author:
Saadoun, Ismail; Wahiby, Layali; Ababneh, Qotaiba; Jaradat, Ziad; Massadeh, Muhannad; Al-Momani, Fouad
Source:
World journal of microbiology & biotechnology 2008 v.24 no.2 pp. 157-162
ISSN:
0959-3993
Subject:
Pseudomonas aeruginosa; Streptomyces; antibiotics; habitats; multiple drug resistance; pathogens; soil; virulent strains; Jordan
Abstract:
... A total of 161 different Streptomyces isolates were recovered from 5 soil samples representing the driest habitats of Jordan. These were then characterized and assessed for their antagonistic activity against four clinical multi-drug resistant Pseudomonas aeruginosa test pathogens. Results indicated that only 3 strains out of 139 and 6 out of 22 isolated at 27°C and 45°C, respectively, were active ...
DOI:
10.1007/s11274-007-9451-2

12. Redox-Active Antibiotics Control Gene Expression and Community Behavior in Divergent Bacteria

Author:
Dietrich, Lars E.P.; Teal, Tracy K.; Price-Whelan, Alexa; Newman, Dianne K.
Source:
Science 2008 v.321 no.5893 pp. 1203-1206
ISSN:
0036-8075
Subject:
Escherichia coli; Pseudomonas aeruginosa; Streptomyces coelicolor; antibiotics; bacteria; biofilm; bioinformatics; gene expression; oxidative stress; pigments; pyocyanin; regulon; secondary metabolites; stress response; transcription (genetics); transcription factors
Abstract:
... It is thought that bacteria excrete redox-active pigments as antibiotics to inhibit competitors. In Pseudomonas aeruginosa, the endogenous antibiotic pyocyanin activates SoxR, a transcription factor conserved in Proteo- and Actinobacteria. In Escherichia coli, SoxR regulates the superoxide stress response. Bioinformatic analysis coupled with gene expression studies in P. aeruginosa and Streptomyce ...
DOI:
10.1126/science.1160619
PubMed:
18755976
PubMed Central:
PMC2745639

13. The rate of environmental change drives adaptation to an antibiotic sink

Author:
PERRON, G.G.; GONZALEZ, A.; BUCKLING, A.
Source:
Journal of evolutionary biology 2008 v.21 no.6 pp. 1724-1731
ISSN:
1010-061X
Subject:
Pseudomonas aeruginosa; antibiotic resistance; antibiotics; bacteria; evolution; immigration; mutation
Abstract:
... Recent accelerated trends of human-induced global changes are providing many examples of adaptation to novel environments. Although the rate of environmental change can vary dramatically, its effect on evolving populations is unknown. A crucial feature explaining the adaptation to harsh environments is the supply of beneficial mutations via immigration from a 'source' population. In this study, we ...
DOI:
10.1111/j.1420-9101.2008.01596.x
PubMed:
18681913