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Short Communication | 27-September-2017

Clonal Analysis of Clinical and Environmental Pseudomonas aeruginosa Isolates from Meknes Region, Morocco

From 123 clinical and environmental Pseudomonas aeruginosa isolates, 24 strains were selected for their similar antibioresistance, virulence and biofilm formation profiles, to examine their diversity and occurrence of clones within two hospitals and different natural sites in Meknes (Morocco). Pulsed-field gel electrophoresis, using DraI enzyme, didn’t reveal a close relationship between clinical and environmentalisolates nor between strains of the two hospitals. 19 genotypes were

Itto Maroui, Abouddihaj Barguigua, Asmae Aboulkacem, Hanane Elhafa, Khadija Ouarrak, Mohammed Sbiti, Lhoussain Louzi, Mohammed Timinouni, Abdelhaq Belhaj

Polish Journal of Microbiology, Volume 66 , ISSUE 3, 397–400

original-paper | 08-September-2020

Characterization of Two Macrolide Resistance-Related Genes in Multidrug-Resistant Pseudomonas aeruginosa Isolates

Introduction Pseudomonas aeruginosa is a Gram-negative pathogen without saccharide fermentation capability. It is one of the mains pathogens causing nosocomial and community infections. P. aeruginosa has a high colonization ability and can secrete many virulence proteins. It can often cause infections of the respiratory tract, urethra, digestive tract, skin, and other parts of the human body as well as bacteremia. Moreover, it is also a common pathogenic bacterium in patients with weakened

QING CHEN, WEI LU, DANYING ZHOU, GUOTONG ZHENG, HONGMAO LIU, CHANGRUI QIAN, WANGXIAO ZHOU, JUNWAN LU, LIYAN NI, QIYU BAO, AIFANG LI, TENG XU, HAILI XU

Polish Journal of Microbiology, Volume 69 , ISSUE 3, 349–356

Original Paper | 04-December-2017

The Prevalence of Exoenzyme S Gene in Multidrug-Sensitive and Multidrug-Resistant Pseudomonas aeruginosa Clinical Strains

Pseudomonas aeruginosa rods are one of the most commonly isolated microorganisms from clinical specimens, usually responsible for nosocomial infections. Antibiotic-resistant P. aeruginosa strains may present reduced expression of virulence factors. This fact may be caused by appropriate genome management to adapt to changing conditions of the hospital environment. Virulence factors genes maybe replaced by those crucial to survive, like antimicrobial resistance genes. The aim of this study was

Tomasz Bogiel, Aleksander Deptuła, Joanna Kwiecińska-Piróg, Małgorzata Prażyńska, Agnieszka Mikucka, Eugenia Gospodarek-Komkowska

Polish Journal of Microbiology, Volume 66 , ISSUE 4, 427–431

original-paper | 19-March-2021

Chemotaxis Toward Crude Oil by an Oil-Degrading Pseudomonas aeruginosa 6-1B Strain

water flow or diffusion to the biosphere on the oil-water contact (Head et al. 2003). Flagellum-dependent chemotaxis is an important advantage of motile bacteria. These bacteria move through a fluid medium by rotating one or more flagella (Nakamura and Minamino 2019). Both metabolism-dependent and independent chemotaxis of Pseudomonas sp. toward aromatic compounds had been studied (Sampedro et al. 2015). Chemotactic bacteria, such as Escherichia coli, Pseudomonas putida, Pseudomonas aeruginosa

KAIQIANG LIANG, RUIMIN GAO, CHENGJUN WANG, WEIBO WANG, WEI YAN

Polish Journal of Microbiology, Volume 70 , ISSUE 1, 69–78

Original Paper | 27-September-2017

Metallo-Beta-Lactamase Producing Pseudomonas aeruginosa in a Healthcare Setting in Alexandria, Egypt

Pseudomonas aeruginosa has emerged as a major healthcare associated pathogen that creates a serious public health disaster in both develop­ing and developed countries. In this work we aimed at studying the occurrence of metallo-beta-lactamase (MBL) producing P. aeruginosa in a healthcare setting in Alexandria, Egypt. This cross sectional study included 1583 clinical samples that were collected from patients admit­ted to Alexandria University Students’ Hospital. P. aeruginosa

Amani F. Abaza, Soraya A. El Shazly, Heba S.A. Selim, Gehan S.A. Aly

Polish Journal of Microbiology, Volume 66 , ISSUE 3, 297–308

Article | 01-April-2020

H-deficient Bombay and paraBombay red blood cells are most strongly agglutinated by the galactophilic lectins of Aplysia and Pseudomonas aeruginosa that detect I and P1 antigens

The galactophilic lectins Aplysia gonad lectin (AGL) and Pseudomonas aeruginosa lectin (PA-IL),which detect human I and P1 RBC antigens, were examined for hemagglutination of H+ (group O and B) and H-deficient (Bombay and para-Bombay phenotype) RBCs. The results were compared with those obtained using two other galactophilic lectins, Maclura pomifera lectin (MPL) and Arachis hypogaea (peanut) agglutinin (PNA), which share T-antigen affinity, and two fucose-binding H-specific lectins, Ulex

Nechama Gilboa-Garber, Dvora Sudakevitz, Cyril Levene, Naomi Rahimi-Levene, Vered Yahalom

Immunohematology, Volume 22 , ISSUE 1, 15–22

Original Paper | 15-March-2016

Effectiveness of Antipseudomonal Antibiotics and Mechanisms of Multidrug Resistance in Pseudomonas aeruginosa

Pseudomonas aeruginosa is a leading human pathogen that causes serious infections at various tissues and organs leading to life threaten­ing health problems and possible deadly outcomes. Resistance patterns vary widely whether it is from hospitals or community acquired infections. Reporting resistance profiles to a certain antibiotics provide valuable information in a given setting, but may be extrapolated outside the sampling location. In the present study, P. aeruginosa isolates were

Mohamed E. El Zowalaty, Béla Gyetvai

Polish Journal of Microbiology, Volume 65 , ISSUE 1, 23–32

Short Communication | 30-March-2017

Susceptibility of Vascular Implants to Colonization in vitro by Staphylococcus aureus, Staphylococcus epidermidis, Enterococcus faecalis and Pseudomonas aeruginosa

We compared association of Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa and Enterococcus faecalis with nine vascular implants after co-culture. Vascular implants were composed of various materials such as warp knitted polyester (with or without gelatin and silver ions), expanded polytetrafluoroethylene and biological materials – surface treated porcine pericardial patch and Omniflow II. The lowest overall number of associated bacteria was detected for

Witold Woźniak, Aleksandra Kozińska, Piotr Ciostek, Izabela Sitkiewicz

Polish Journal of Microbiology, Volume 66 , ISSUE 1, 125–129

Research Article | 15-February-2020

Detection of Pathogenic Bacteria in Aqueous Media: Assessing the Potential of Real-Time Electromagnetic Wave Sensing

This paper reports on the capabilities of a novel electromagnetic wave sensing method to detect and identify the presence of various pathogenic bacteria in aqueous media. In particular, the change in the electromagnetic wave signal in microwave frequency range is used as an indicator of bacteria presence. The assessment was conducted by recording reflected signal spectra when the sensor was in contact with deionised water, Escherichia coli, sterile nutrient broth and Pseudomonas aeruginosa

I. Nakouti, O. Korostynska, A. Mason, A. I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

Article | 30-November-2018

ANTIBACTERIAL EFFECT OF NATURAL OILS – AN OPPORTUNITY TO SOLVE THE PROBLEM OF ANTIBIOTIC RESISTANCE ON THE EXAMPLE OF PSEUDOMONAS SPP.

-cell contact, phage adsorption, attachment to cell surface and twitching motility. Pseudomonas strains are absolute aerobes. For many strains, nitrate can act as an electron acceptor under aerobic conditions [72]. Fig. 1. Pseudomonas orientalis. The cells were coloured by crystal violet (1000x, Axiovert). The Pseudomonas genus includes many pathogenic species. However, of these P. aeruginosa is the most commonly associated with antibiotic resistance. 2.1. Pseudomonas aeruginosa P. aeruginosa

Katarzyna Leja, Kamila Szudera-Kończal, Kamila Myszka, Katarzyna Czaczyk

Postępy Mikrobiologii - Advancements of Microbiology, Volume 58 , ISSUE 2, 177–190

Mini Review | 30-June-2018

Non-antibiotics, Efflux Pumps and Drug Resistance of Gram-negative Rods

AGNIESZKA EWA LAUDY

Polish Journal of Microbiology, Volume 67 , ISSUE 2, 129–135

Original Paper | 15-March-2016

Isolation and Characterization of α-Endosulfan Degrading Bacteria from the Microflora of Cockroaches

Extensive applications of organochlorine pesticides like endosulfan have led to the contamination of soil and environments. Five different bacteria were isolated from cockroaches living in pesticide contaminated environments. According to morphological, physiological, bio­chemical properties, and total cellular fatty acid profile by Fatty Acid Methyl Esters (FAMEs), the isolates were identified as Pseudomonas aeruginosa G1, Stenotrophomonas maltophilia G2, Bacillus atrophaeus G3

Murat Ozdal, Ozlem Gur Ozdal, Omer Faruk Algur

Polish Journal of Microbiology, Volume 65 , ISSUE 1, 63–68

Short Communication | 04-December-2017

Inhibition of Multidrug-Resistant Gram-Positive and Gram-Negative Bacteria by a Photoactivated Porphyrin

The authors studied the in vitro antibacterial activity of the photo-activated porphyrin meso-tri(N-methyl-pyridyl), mono(N-tetradecyl-pyridyl)porphine (C14) against four multidrug-resistant bacteria: Staphylococcus aureus, Enterococcus faecalis (Gram-positive), Escherichia coli, Pseudomonas aeruginosa (Gram-negative). Using 10 μg/ml of porphyrin and 60 sec irradiation we observed the remarkable suscep­tibility of S. aureus and E. faecalis to treatment while, under the same conditions, E

Moreno Bondi, Anna Mazzini, Simona De Niederhäusern, Ramona Iseppi, Patrizia Messi

Polish Journal of Microbiology, Volume 66 , ISSUE 4, 533–536

Research Article | 21-May-2019

PATHOGENIC FREE-LIVING AMOEBA

Legionella pneumophila, Pseudomonas aeruginosa, Acinetobacter baumannii, Stenotrophomonas maltophila, Klebsiella pneumoniae, Serratia marcescens and Mycobacterium tuberculosis. There is a need for more research on free-living amoeba invasions in humans, particularly on the methods of diagnosis and appropriate forms of pharmacological therapy. Despite the undeniable role of free-living amoeba in the transmission of pathogenic bacteria, there is still insufficient amount of research and optimal diagnostic

Natalia Łanocha-Arendarczyk, Danuta Kosik-Bogacka, Wojciech Zaorski, Karolina Kot, Katarzyna Galant, Aleksandra Łanocha

Postępy Mikrobiologii - Advancements of Microbiology, Volume 56 , ISSUE 1, 106–112

Original Paper | 07-June-2016

Characterization of Bacteria Isolation of Bacteria from Pinyon Rhizosphere, Producing Biosurfactants from Agro-Industrial Waste

strains belonged to Enterobacter sp., Pseudomonas aeruginosa, Bacillus pumilus and Rhizobium sp. All strains assayed were able to grow and showed halos around the colonies as evidence of biosurfactants production on Cetyl Trimethyl Ammonium Bromide agar with crude glycerol and lactoserum as substrate. In a mineral salt liquid medium enriched with both wastes, the biosurfactants were produced and collected from free cell medium after 72 h incubation. The biosurfactants produced reduced the surface

Arnoldo Wong-Villarreal, Lizbeth Reyes-López, Hipólito Corzo González, Cristina Blanco González, Gustavo Yáñez-Ocampo

Polish Journal of Microbiology, Volume 65 , ISSUE 2, 183–189

original-paper | 08-September-2020

Marine Sediment Recovered Salinispora sp. Inhibits the Growth of Emerging Bacterial Pathogens and other Multi-Drug-Resistant Bacteria

Introduction The ESKAPE pathogens (Boucher et al. 2009; Pendleton et al. 2013) is an acronym used to designate a group of organisms formed by Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacer baumannii, Pseudomonas aeruginosa, and species of Enterobacter. These bacteria usually cause infections in patients with immunosuppressed conditions and critical illnesses and are characterized by multiple antimicrobial resistance mechanisms (Pendleton et al. 2013; Partridge

LUIS CONTRERAS-CASTRO, SERGIO MARTÍNEZ-GARCÍA, JUAN C. CANCINO-DIAZ, LUIS A. MALDONADO, CLAUDIA J. HERNÁNDEZ-GUERRERO, SERGIO F. MARTÍNEZ-DÍAZ, BÁRBARA GONZÁLEZ-ACOSTA, ERIKA T. QUINTANA

Polish Journal of Microbiology, Volume 69 , ISSUE 3, 321–330

Article | 05-October-2019

THE ROLE OF THE STRINGENT COMPONENTS IN THE REGULATION OF VIRULENCE

enterica, Pseudomonas aeruginosa posiadają enzymy RelA i SpoT. Bakterie Gram-dodatnie (Bacillus anthracis, B. subtilis, Listeria monocytogenes, Streptococcus coelicolor, Enterococcus faecalis) posiadają zarówno dwufunkcyjne białka RSH (RelA/SpoT homologue), jak i małe syntetazy RelP i RelQ. Obecność małych syntetaz stwierdzono także u niektórych bakterii posiadających enzymy Rel i SpoT jak np. syntetaza RelV u Gram-ujemnej Vibrio cholerae [19]. Istnienie wielu enzymów związanych z syntezą i hydrolizą

Klaudyna Krause, Klaudia Milewska, Agnieszka Szalewska-Pałasz

Postępy Mikrobiologii - Advancements of Microbiology, Volume 58 , ISSUE 3, 247–258

original-paper | 05-December-2019

New Look on Antifungal Activity of Silver Nanoparticles (AgNPs)

do not exhibit toxicity for mammalian cells (Milic et al. 2015; Zhang et al. 2016a). However, some cytostatic and anti-cancer activity is reported at these concentrations (AshaRani et al. 2009). Antibacterial activity of AgNPs is rather well documented in the literature, mainly against the following species: Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, and Escherichia coli (Yoon et al. 2007; Li et al. 2010; Guzman et al. 2012, Kanawaria et al. 2018). Some information

BARBARA ŻAROWSKA, TOMASZ KOŹLECKI, MICHAŁ PIEGZA, KATARZYNA JAROS-KOŹLECKA, MAŁGORZATA ROBAK

Polish Journal of Microbiology, Volume 68 , ISSUE 4, 515–525

Article | 12-October-2020

ROLE OF TWO-COMPONENT SIGNAL TRANSDUCTION SYSTEMS IN ANTIMICROBIAL RESISTANCE OF GRAM-NEGATIVE PATHOGENS

Pseudomonas aeruginosa, Bacillus anthracis czy E. coli zidentyfikowano więcej TCS niż w genomach bakterii zasiedlających jedną, określoną niszę ekologiczną [65]. W genomie wewnątrzkomórkowych patogenów z rodzaju Mycoplasma czy obligatoryjnego endosymbionta Blochmannia floridanus nie zaadnotowano ani jednego genu kodującego białka systemu TCS [86]. Z kolei wyjątkowo dużą liczbą genów TCS (272) charakteryzuje się genom Myxococcus xanthus, myksobakterii, która cechuje się złożonym cyklem życiowym, zdolnością

Adrianna Raczkowska, Karolina Jaworska, Łukasz Wyrożemski, Katarzyna Brzostek

Postępy Mikrobiologii - Advancements of Microbiology, Volume 59 , ISSUE 3, 259–276

original-paper | 28-June-2019

Patterns of Drug-Resistant Bacteria in a General Hospital, China, 2011–2016

a more complete picture of bacterial infections and to help clinicians and decision-making departments undertake the proper decisions for patients and antibiotic use. Experimental Materials and Methods Based on the data from a general hospital in Zhengzhou, Henan province, China from 2011 to 2016, five dominant bacteria (Klebsiella pneumoniae, Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Acinetobacter baumannii) were investigated in this study. The antibiotic

TINGTING MAO, HUIJUAN ZHAI, GUANGCAI DUAN, HAIYAN YANG

Polish Journal of Microbiology, Volume 68 , ISSUE 2, 225–232

original-paper | 03-September-2019

Significance of Infections in Implant Loss After Breast Reconstruction in the Course of Breast Cancer Treatment

only based on clinical symptoms without microbiological diagnosis and no microorganisms were grown in six out of 39 cases of infections (15.4%). In 24 out of 28 (85.7%) microbiologically confirmed cases of infection, bacteria were present in monoculture, in four cases (14.3%) polybacterial infections were found. Among the etiological agents were: coagulase-negative staphylococci (31.3%), Staphylococcus aureus (18.7%), Enterococcus faecalis (9.4%), Enterobacter cloacae (18.8%), Pseudomonas

MARIA SZYMANKIEWICZ, TOMASZ NOWIKIEWICZ, MARTA BIEDKA

Polish Journal of Microbiology, Volume 68 , ISSUE 3, 343–351

Original Paper | 04-December-2017

Production, Characterization and Valuable Applications of Exopolysaccharides from Marine Bacillus subtilis SH1

;saccharides in different medical applications. Results concluded that, EPS exhibited antibacterial activity against Aeromonas hydrophila, Pseudomonas aeruginosa and Streptococcus faecalis and the highest antibacterial activity (7.8, 9 and 10.4 AU/ml) was against S. faecalis at 50, 100 and 200 mg/ml respectively. The EPS exhibited various degree of antitumor effect toward the tested cell lines (MCF-7, HCT-116 and HepG2). In addition, EPS exhibited antiviral activity at 500 μg/ml. The antioxidant

Sahar W.M. Hassan, Hassan A.H. Ibrahim

Polish Journal of Microbiology, Volume 66 , ISSUE 4, 449–461

Article | 30-November-2018

ANTIBIOTIC RESISTANCE OF BACTERIA A GROWING THREAT FOR ANIMALS AND PUBLIC HEALTH

multidrug-resistance, have a zoonotic potential, and are also a potential reservoir of resistance genes. Pseudomonas aeruginosa are often responsible for otititis externa and otitis media, pyoderma or nosocomial infections. Multidrug resistance is a characteristic feature of these bacteria, although in contrast to strains found in humans, so far there is no pandrug-resistance (PDR) phenomenon in isolates of animal origin. Approximately 7% of isolates display resistance to gentamycin and 3% of isolates

Marian Binek, Magdalena Kizerwetter-Świda, Magdalena Rzewuska, Dorota Chrobak-Chmiel, Agnieszka Sałamaszyńska-Guz

Postępy Mikrobiologii - Advancements of Microbiology, Volume 58 , ISSUE 3, 259–270

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