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Wyszukujesz frazę "antibiotic susceptibility" wg kryterium: Wszystkie pola


Tytuł:
Antibiotic Susceptibility Profiling of Bacterial Biodiversity Associated with Urinary Tract Infections
Autorzy:
Prasad, Bhairav
Arora, Priya
Powiązania:
https://bibliotekanauki.pl/articles/1193375.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antibiotics
Escherichia coli
Klebsiella
Pseudomonas
Sensitivity profiling
Staphylococcus
Urinary system
Urinary tract infections
Opis:
Urinary tract infections (UTI’s) are a bacterial infection that affects any part of the urinary tract. Urinary tract infection is one of the major diseases that affect people of all age groups and sexes and can be separated into asymptomatic and symptomatic. The normal urinary tract is sterile but gets infected with the normal flora and opportunistic pathogens. Urinary tract infections (UTIs) are a serious health problem affecting millions of people each year. This is the second most common type of infection in the body. In the present study 20 morphologically different bacterial isolates were recovered from 50 different urine samples from UTI’s patient. The prevalence of the isolates was varied with E. coli (40%), followed by Staphylococcus spp., Pseudomonas spp. and Klebsiella spp. each of (20%) respectively. All the isolates of different bacteria were tested for antibiotic sensitivity patterns against common antibiotics viz. Ampicillin, Tetracycline, Chloramphenicol, Vancomycin, Nitrofurontione and Ciprofloxacin with potencies of 30 μg each. The sensitive pattern of the isolates towards antibiotic Nitrofurontoine was (75%) followed by Tetracycline (55%) and Ciprofloxacin (45%). Intermediate activity was reported against Ampicillin (45%), Chloramphenicol and vancomycin (40%). Resistant pattern shown against vancomycin (60%), Chloramphenicol (45%), while both tetracycline and Ciprofloxacin shown (30%) against the UTI’s isolates. Therefore, drugs like Nitrofurontoine, Tetracycline and Ciprofloxacin are the most effective choices against the common UTI’s isolates.
Źródło:
World Scientific News; 2021, 155; 129-139
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of antibiotic susceptibility of Legionella pneumophila isolated from water systems in Poland
Autorzy:
Sikora, Agnieszka
Gładysz, Iwona
Kozioł-Montewka, Maria
Wójtczak-Bobin, Małgorzata
Stańczak, Tomasz
Matuszewska, Renata
Krogulska, Bożena
Powiązania:
https://bibliotekanauki.pl/articles/988953.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
legionella pneumophila
susceptibility
e-test
minimum inhibitory concentration
Opis:
Introduction and objective. Several studies have reported therapy failures in patients with legionnaires’disease; however, antimicrobial resistance of clinical and environmental isolates of Legionella spp. has not yet been documented. Routine susceptibility testing of Legionella spp. is not recommended because of difficulties in determining standard minimal inhibitory concentration values. The purpose of this study was to analyze the antimicrobial susceptibility of Legionella pneumophila. strains isolated from a water supply system. Materials and method. Twenty-eight isolates of L. pneumophila (16 – L. pneumophila SG 1, 12 – L. pneumophila SG 2–14) obtained from water systems in public buildings in Poland were tested. Susceptibility testing was performed using the E-test method. The tested antibiotic were azithromycin, ciprofloxacin, and rifampicin. The medium used for the susceptibility testing was BCYE-, a special medium for Legionella cultivation. Results. Among the tested strains, L. pneumophila was the only one resistant to azithromycin. It was a strain of L. pneumophila SG 2–14 isolated from the water system in a sanitorium. All isolates were found to be sensitive to ciprofloxacin and rifampicin. However, the azithromycin-resistant strain exhibited higher ciprofloxacin and rifampicin MIC (1.5 μg/ml, and 0.19 μg/ml, respectively). The MIC50 for azithromycin, ciprofloxacin, and rifampicin were 0,032, 0,125, and 0,003 μg/ml, respectively. The MIC90 for azithromycin, ciprofloxacin, and rifampicin were 0,032, 0,125, and 0,003 μg/ml, respectively. Conclusions. Azithromycin resistance was found in one strain of L. pneumophila SG 2–14, but the resistance mechanism is unknown and needs further study. It is possible that therapeutic failures in Legionnaires’ disease may be associated with bacterial resistance which should be taken into account. The antibiotic sensitivity testing described in this study could be helpful in detecting the resistance of clinical L. pneumophila isolates. Ciprofloxacin and rifampicin have good in vitro activity against environmental L. pneumophila SG 1 and SG 2–14 in Poland.
Źródło:
Annals of Agricultural and Environmental Medicine; 2017, 24, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibiotic susceptibility of methicillin - resistant and methicillin - suspectible coagulase-negative staphylococci isolated from bovine mastitis
Autorzy:
Bochniarz, M.
Wawron, W.
Powiązania:
https://bibliotekanauki.pl/articles/32123.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
The aim of the present study was to evaluate the antibiotic susceptibility of methicillin-susceptible (MS) and methicillin-resistant (MR) coagulase-negative Staphylococcus (CNS) strains isolated from milk of cows with mastitis. The study was conducted on 100 CNS strains (20 MRCNS and 80 MSCNS) isolated from milk samples of 86 cows from the Lublin (Poland) region farms. Antibiotic susceptibility of microorganisms was evaluated using the disc-diffusion method on the Mueller-Hinton agar according to the guidelines of the National Committee for Clinical Laboratory Standards (NCCLS). The highest efficacy against MSCNS was demonstrated for cephalosporin antibiotics, i.e. cefacetril (91.3%), ceftiofur (67.5%), cefoperazone (66.3%) and cephalexin (60.0% of susceptible MSCNS strains). Moreover, a high percentage of vancomycin-susceptible strains was demonstrated (83. 8%). The activity of combination of amoxicillin with clavulanic acid and gentamicin was found weaker (63.8% and 61.3% of susceptible strains, respectively). About 50.0% of MSCNS were susceptible to erythromycin, enrofloxacine and amoxicillin. A large proportion of CNS was resistant to neomycin, penicillin, tetracycline, streptomycin, lincomycin and ampicillin (28.8%, 30.0%, 31.3%, 31.3%, 33.8% and 33.8% of susceptible strains, respectively). The highest percentage of MRCNS was susceptible to vancomycin (75.0%), erythromycin (65.0%) and streptomycin (50.0%). Their susceptibility to enrofloxacine (35.0%) as well as gentamicin and tetracycline (30.0%) was markedly lower. The lowest activity was found for lincomycin and neomycin (20.0% of susceptible MRCNS strains, each).
Źródło:
Polish Journal of Veterinary Sciences; 2011, 14, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibiotic susceptibility of bacteria isolated from respiratory tract of pigs in Poland between 2004 and 2008
Autorzy:
Markowska-Daniel, I
Urbaniak, K.
Stepniewska, K.
Pejsak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/30384.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Polska
pig
respiratory tract
bacteria
isolation
antibiotic susceptibility
animal health
productivity
animal production
Opis:
Antibiotic susceptibility of bacteria isolated from nasal swabs and lungs of pigs, to 16 commonly used antibiotics, was determined by disc diffusion test, ß-lactams showed the best activity against Streptococcus suis (S. suis) (> 99% of susceptible strains). The lowest sensitivity of S. suis was evidenced to: tylosin, tetracycline and neomycin (50%, 40% and 25%, respectively). Isolates of Escherichia coli (E. coli) demonstrated the highest susceptibility to cephalosporin (85% strains), gentamicin and norfloxacin (over 74%). The lowest susceptibility of E. coli was demonstrated to tiamulin and penicillin (11.3% and 1.9%, respectively). Over 80% of Actinobacillus pleuropneumoniae (App) strains were susceptible to all antibiotics tested. The highest resistance of App, but demonstrated by below 20% of tested isolates only, was evidenced to neomycin and LxS. Isolates of Pasteurella multocida (Pm), Haemophilus parasuis (Hps) and Arcanobacterium pyogenes (A. pyogenes) were highly susceptible to the most antibiotics included in the analysis. The comparison of the in vitro susceptibility of pathogens to the chemotherapeutics used on Polish farms for the therapy of bacterial infection of pigs within the last five years and the last 10 years, showed an increasing percent of E. coli and S. suis strains resistant to commonly used antibiotics. It is also shown that Pm, Hps, App and A. pyogenes isolates were continuously susceptible to the most chemotherapeutics applied.
Źródło:
Polish Journal of Veterinary Sciences; 2010, 13, 1; 29-36
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Plasmid profile analysis and evaluation of antibiotic susceptibility of Staphylococcus aureus strains isolated from table chicken eggs
Autorzy:
Pyzik, E.
Marek, A.
Powiązania:
https://bibliotekanauki.pl/articles/31431.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
The aim of this study was to isolate and characterize Staphylococcus aureus bacteria present on the shell surfaces and in the contents of chicken eggs, taking into account their phenotypic properties, antibiotic susceptibility patterns, and the presence of plasmid DNA. The study included 90 table chicken eggs from laying farms situated in the vicinity of Lublin. A total of 105 bacterial strains identified as Staphylococcus were isolated from the material, of which 18 (17.14%) were of the species Staphylococcus aureus. All 18 S. aureus strains were found to be resistant to at least one of the antibiotics tested, while some (55.55%) showed resistance to five or more of the 17 therapeutic agents. The greatest number of strains showed resistance to erythromycin (66.66%), tetracycline (66.66%), oxytetracycline (61.11%), penicillin G (50%), and amoxicillin (44.44%). The plasmid profile analysis of the S. aureus strains made it possible to evaluate the dependence between antibiotic susceptibility and the presence of plasmids in particular isolates. The results showed that plasmids in various quantities and of varying molecular weights were isolated from 17 of the strains. Most often isolated were small plasmids, of 5.6 kb – from 11 of the S. aureus strains (61.11%), 2.5 kb – from 9 strains (50%), 4.1 kb – from 8 (44.44%), and 4.6 kb – from 7 (38.88%) of the strains.
Źródło:
Polish Journal of Veterinary Sciences; 2013, 16, 2
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibiotic resistance and siderophores production by clinical Escherichia coli strains
Autorzy:
Khazaal, Mohamed T.
El-Hendawy, Hoda H.
Mabrouk, Mona I.
Faraag, Ahmed H.I.
Bakkar, Marwa R.
Powiązania:
https://bibliotekanauki.pl/articles/16648088.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
siderophores
Escherichia coli
clinical strains
antibiotic susceptibility
Opis:
The phenomenon of antibiotic resistance has dramatically increased in the last few decades, especially in enterobacterial pathogens. Different strains of Escherichia coli have been reported to produce a variety of structurally different siderophores. In the present study, 32 E. coli strains were collected from different clinical settings in Cairo, Egypt and subjected to the antibiotic susceptibility test by using 19 antibiotics belonging to 7 classes of chemical groups. The results indicated that 31 strains could be considered as extensively drug-resistant and only one strain as pan drug-resistant. Siderophores production by all the tested E. coli strains was determined qualitatively and quantitatively. Two E. coli strains coded 21 and 49 were found to be the most potent siderophores producers, with 79.9 and 46.62%, respectively. Bacterial colonies with cured plasmids derived from strain 49 showed susceptibility to all the tested antibiotics. Furthermore, E. coli DH5α cells transformed with the plasmid isolated from E. coli strain 21 or E. coli strain 49 were found to be susceptible to ansamycins, quinolones, and sulfonamide groups of antibiotics. In contrast, both plasmid-cured and plasmid-transformed strains did not produce siderophores, indicating that the genes responsible for siderophores production were located on plasmids and regulated by genes located on the chromosome. On the basis of the obtained results, it could be concluded that there is a positive correlation between antibiotic resistance, especially to quinolones and sulfonamide groups, and siderophores production by E. coli strains used in this study.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2022, 103, 2; 169-184
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence and antimicrobial susceptibility of Klebsiella pneumoniae isolated from hospitalized patients at General Hospital, Etim Ekpo, Akwa Ibom State, Nigeria
Autorzy:
Anosike, I. Kelechi
Edet, U. Okon
Umoafia, G. E.
Agbo, B. E.
Ejelonu, V. O.
Onyesoro, V.
Powiązania:
https://bibliotekanauki.pl/articles/1030832.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antibiotic susceptibility
Klebsiella pneumonia
Nosocomial
Prevalence
Resistance
Opis:
Klebsiella pneumoniae (KP) was investigated in respondents presenting signs and symptoms of urinary tract infection (UTI) in a rural community. Using simple random sampling, a total of 360 respondents (144 males and 216 females) were recruited into the study following informed consent and ethical approval. Mid-stream urine samples were collected from all the respondents aseptically using standard protocol. Isolation of K. pneumoniae was done using morphological characteristics and various biochemical tests while antibiotic sensitivity testing using various antibiotics was done using guidelines of Clinical and Laboratory Standard Institute. A total of 16 samples gave positive culture representing an overall prevalence of 4.4%. Furthermore, prevalence rates of 2.8%, 5.6%, 47.82%, 4.9%, 3.50%, and 8.60% for males, females, diabetics, in-patients, out-patients, and respondents above 60 years of age respectively were obtained. Resistance to antibiotics ranged from 37.50 to 56.25% for gentamycin and nalidixic, and tarivid, respectively. There is need for preventive measures aimed at sensitization of dwellers in community settings.
Źródło:
World Scientific News; 2020, 145; 222-233
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decreased antibiotic susceptibility and enhanced probiotic production potential of goat milk fermented curd in comparison with cow and buffalo milk
Autorzy:
Lakhanpal, J.
Gupta, J.
Powiązania:
https://bibliotekanauki.pl/articles/80240.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
probiotic
goat milk
buffalo
milk
cow milk
curd cheese
antibiotic resistance
organoleptic characteristics
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of class 1, 2, 3 integrons, ESBL genes and antibiotic susceptibility of Salmonella serotypes from broiler and cattles in Turkey
Autorzy:
Sahan Yapicier, O.
Ozturk, D.
Powiązania:
https://bibliotekanauki.pl/articles/16539245.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
antibiotic susceptibility
broiler
cattle
integrons
β-lactamase
MARI
Salmonella
tet genes
Opis:
Antimicrobial resistance in Salmonella has been associated with the presence of integrons and many other resistance mechanisms contributing to the spread of antimicrobial-resistant genes within and between livestock and human populations. In this study, the presence of Salmonella serovars from broiler and cattle samples and their antimicrobial resistance, integrons, tet resistance, ESBL and resistance genes carriage were investigated. Total of 209 litter (broiler farms) and fecal samples (cattle farms) were examined by bacteriological procedures, susceptibilities against 18 antimicrobials and genes carriages were detected by singleplex and multiplex PCR. A total of 46/209 (22 %) Salmonella strains were isolated. Six different Salmonella serotypes from 46 Salmonella isolates were identified and the most common serotype was S. Infantis 38 (82.6%) from broiler litter; followed by S. Kitenge 3 (6.5 %) from fecal sample. The highest occurrence of resistance observed for penicilline (46/46, %100), lincomycin (43/46, 93.5%) and 42 isolates (43/46, 93.5%) exhibited MDR. The overall occurrence of class 1, 2 and 3 integrons carrying Salmonella in tested samples were 63.04% (29/46), 43.5% (20/46) and 84.8% (39/46) respectively. Out of the 27 isolates produced an ESBL, mostly CTX and TEM. On 46 Salmonella isolates, in 16 (34.8%) Tcr’ genes were determined. Genotypic and phenotipic detection of ESBL genes found within integrons from Salmonella isolates from different sources (broiler and cattle) can provide powerful information about health and economic risk associated with transferable multidrug resistance.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 2; 345-355
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibiotic Susceptibility Test of Bacteria Isolated From Fruit Juices Sold in Cafes and Restaurants of Debre-Markos Town, North Western Ethiopia
Autorzy:
Geta, Kindu
Kebede, Ameha
Chemedissa, Meseret
Powiązania:
https://bibliotekanauki.pl/articles/1076786.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antibiotics
Antimicrobial resistance
B. cereus
Debre Markos
E. coli
Enterobacter
Fruit juices
Klebsiella
Pathogens
Ps. aeruginosa
Salmonella
Shigella
Staphylococcus aureus
Opis:
The prevalence of antimicrobial resistance among food pathogens has increased during recent decades. In this work, pathogenic bacteria such as Staphylococcus aureus, Salmonella spp., Shigella spp., and E. coli were isolated following standard methods. The bacterial isolates were then tested for their sensitivity to common antibiotics using the disc diffusion method on Mueller-Hinton Agar. All of the pathogenic bacteria were found to be resistant to erythromycin and almost all were sensitive to penicillin.
Źródło:
World News of Natural Sciences; 2019, 24; 365-371
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł

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