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Polish Journal of Microbiology

Polish Society of Microbiologists

Subject: Microbiology

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ISSN: 1733-1331
eISSN: 2544-4646

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FEATURED ARTICLES

Differentially Marked IncP-1β R751 Plasmids for Cloning via Recombineering and Conjugation
Colistin Resistance in Enterobacterales Strains – A Current View
Antibiotic Resistance Among Uropathogenic Escherichia coli

VOLUME 68 , ISSUE 3 (Sep 2019) - List of articles

Presence of Antibodies Against Leptospira interrogans Serovar hardjo in Serum Samples from Cattle in Ukraine

ANTON PYSKUN/ VITALII UKHOVSKYI/ OLENA PYSKUN/ VITALII NEDOSEKOV/ VYACHESLAV KOVALENKO/ SERHIY NYCHYK/ MYKOLA SYTIUK/ WOJCIECH IWANIAK

Abstract The article presents data on serological studies of 573 sera samples of cattle that were collected from the farms affected by leptospirosis in different regions of Ukraine in the period of 2014–2015. Samples were investigated by the microscopic agglutination test (MAT), which was conducted within eight serological groups of Leptospira and nine serovars: Sejroe (serovars polonica and hardjo), Hebdomadis (serovar kabura), Tarassovi (serovar tarassovi), Pomona (serovar pomona), Grippotypho(..)

DOI: 10.33073/pjm-2019-031

Prevalence and Antifungal Susceptibility of the Emerging Fungal Species, Candida nivariensis, Isolated in a Teaching Hospital in Poland

MAGDALENA SIKORA/ ROBERT KUTHAN/ KATARZYNA PISKORSKA-MALOLEPSZA/ MARLENA GOLAS-PRADZYNSKA/ DARIUSZ DOMAŃSKI/ EWA AUGUSTYNOWICZ-KOPEĆ/ EWA SWOBODA-KOPEC

Abstract The data on susceptibility to antifungals of new species within Candida glabrata complex are limited. Our study was to enrich a global knowledge of yeast epidemiology and drug resistance. The study was focused on the identification of species within clinical isolates of the C. glabrata complex and on the determination of their resistance to antifungals. Four hundred forty-five clinical C. glabrata sensu lato strains were isolated from different clinical samples at routine mycological ex(..)

DOI: 10.33073/pjm-2019-032

Chemical Composition of Aspergillus creber Extract and Evaluation of its Antimicrobial and Antioxidant Activities

AFAF SAKHRI/ NOREDDINE KACEM CHAOUCHE/ MARIA ROSARIA CATANIA/ ALBERTO RITIENI/ ANTONELLO SANTINI

Abstract Among the species belonging to the Aspergillus section Versicolores, Aspergillus creber has been poorly studied and still unexplored for its biological activities. The present study was undertaken to analyze A. creber extract and to evaluate its in vitro antimicrobial and anti-oxidant activities. UHPLC-MS/MS analysis of A. creber extract allowed the characterization of five known fungal metabolites including: asperlactone, emodin, sterigmatocystin, deoxybrevianamide E, and norsolorinic (..)

DOI: 10.33073/pjm-2019-033

Evaluation of the pol/S Gene Overlapping Mutations in Chronic Hepatitis B Patients in Northern Cyprus

AYSE ARIKAN/ MURAT SAYAN/ TAMER SANLIDAG/ KAYA SUER/ SINEM AKCALI/ MERYEM GUVENIR

Abstract Mutations associated with the pol and the S gene can emerge as a consequence of the high replication capacity and proofreading deficiencies of hepatitis B virus during replication. The current study was constructed to evaluate primary, partial, compensatory and the escape mutations in chronic hepatitis B patients in Northern Cyprus. The samples of HBsAg positive treatment naïve 100 patients were involved in this study. HBV pol gene region was sequenced, amplified and HBV pol/S gene muta(..)

DOI: 10.33073/pjm-2019-034

Evidence for Infections by the Same Strain of Beta 2-toxigenic Clostridium perfringens Type A Acquired in One Hospital Ward

DOMINIKA SALAMON/ DOROTA OCHOŃSKA/ ILONA WOJAK/ EWA MIKOŁAJCZYK/ MAŁGORZATA BULANDA/ MONIKA BRZYCHCZY-WŁOCH

Abstract This study conducts a comparative phenotypic and genetic analysis of C. perfringens strains isolated from two patients hospitalized at the same time in 2017 in the surgical ward of the Provincial Specialist Hospital in Włocławek (Kujawsko-Pomorskie Province) who developed necrotizing soft tissue infections (NSTI). To explain the recurring cases of this infection, a comparative analysis was performed for these strains and the ones originating from infections recorded at the same hospital(..)

DOI: 10.33073/pjm-2019-035

Purification, Characterization and Inhibition of Alanine Racemase from a Pathogenic Strain of Streptococcus iniae

MURTALA MUHAMMAD/ YANGYANG LI/ SIYU GONG/ YANMIN SHI/ JIANSONG JU/ BAOHUA ZHAO/ DONG LIU

Abstract Streptococcus iniae is a pathogenic and zoonotic bacteria that impacted high mortality to many fish species as well as capable of causing serious disease to humans. Alanine racemase (Alr, EC 5.1.1.1) is a pyridoxal-5’-phosphate (PLP)-containing homodimeric enzyme that catalyzes the racemization of L-alanine and D-alanine. In this study, we purified alanine racemase from S. iniae that was isolated from an infected Chinese sturgeon (Acipenser sinensis), as well as determined its biochemic(..)

DOI: 10.33073/pjm-2019-036

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

MARIA SZYMANKIEWICZ/ TOMASZ NOWIKIEWICZ/ MARTA BIEDKA

Abstract The aim of the study was to analyze the reasons for removing implants after breast reconstruction in the course of treatment of breast cancer. The study involved 428 patients, who underwent a total of 648 breast reconstruction procedures using artificial implants. 47 out of 648 cases (7.3%) were identified in which the implant had to be removed. Of the 47 cases, 57.4% had undergone deferred reconstruction, and 42.6% immediate reconstruction; 27.7% had undergone pre-operative chemotherap(..)

DOI: 10.33073/pjm-2019-037

Characteristics of Listeria monocytogenes Strains Isolated from Milk and Humans and the Possibility of Milk-Borne Strains Transmission

KRZYSZTOF SKOWRON/ EWA WAŁECKA-ZACHARKSA/ KATARZYNA GRUDLEWSKA/ NATALIA WIKTORCZYK/ AGNIESZKA KACZMAREK/ GRZEGORZ GRYŃ/ JOANNA KWIECIŃSKA-PIRÓG/ KLAUDIA JUSZCZUK/ ZBIGNIEW PALUSZAK/ KATARZYNA KOSEK-PASZKOWSKA/ EUGENIA GOSPODAREK-KOMKOWSKA

Abstract Listeria monocytogenes is the etiological factor of listeriosis. The main source of these organisms is food, including dairy products. The aim was to determine the multiple correlations between the drug susceptibility, virulence genes (VGs), and biofilm formation on silicone teat cups of milk-borne and human L. monocytogenes strains. The spread of L. monocytogenes via contaminated teat rubbers was assessed. The L. monocytogenes strains recovered from milk (18), human blood (10), and the(..)

DOI: 10.33073/pjm-2019-038

Molecular Diversity of Staphylococcus aureus Colonizing the Upper Respiratory Tract of Residents and Staff in A Nursing Home

MARTYNA KASELA/ AGNIESZKA GRZEGORCZYK/ ANNA MALM

Abstract Elderly people living in nursing homes are a high-risk population for Staphylococcus aureus infection. Multiple comorbidities, a weakened immune system, inadequate hygienic conditions, and crowding might increase the prevalence rates of this opportunistic pathogen. However, the epidemiological aspects, genetic diversity, and transmission of S. aureus in nursing homes are still poorly understood, especially in Poland. This study aimed to determine the genetic relatedness and prevalence o(..)

DOI: 10.33073/pjm-2019-039

Periodontal Status and Subgingival Biofilms in Cystic Fibrosis Adults

TAMARA PAWLACZYK-KAMIEŃSKA/ RENATA ŚNIATAŁA/ HALINA BATURA-GABRYEL/ MARIA BORYSEWICZ-LEWICKA/ SZCZEPAN COFTA

Abstract The aim of this study was to assess the periodontal status of cystic fibrosis (CF) adult patients and to evaluate whether there is a correlation between the bacterial population of the subgingival biofilm and the health status of the periodontal tissues in this group of adults. The study involved 22 cystic fibrosis adult patients. The periodontal condition was assessed using Plaque Index (PLI), Gingival Index (GI), and Probing Pocket Depth (PPD). The gingival sulcus samples were analyze(..)

DOI: 10.33073/pjm-2019-040

Antifungal Activity and Physicochemical Properties of a Novel Antimicrobial Protein AMP-17 from Musca domestica

LONG-BING YANG/ GUO GUO/ XIN-YU ZHAO/ PEI-PEI SU/ PING FU/ JIAN PENG/ JIANG-FAN XIU/ BO-YAN LI

Abstract Antimicrobial peptides (AMPs) are cationic small peptide chains that have good antimicrobial activity against a variety of bacteria, fungi, and viruses. AMP-17 is a recombinant insect AMP obtained by a prokaryotic expression system. However, the full antifungal activity, physicochemical characteristics, and cytotoxicity of AMP-17 were previously unknown. AMP-17 was shown to have good antifungal activity against five pathogenic fungi, with minimum inhibitory concentrations (MIC) of 9.375(..)

DOI: 10.33073/pjm-2019-041

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