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Original Paper

The Determination and Correlation of Various Virulence Genes, ESBL, Serum Bactericidal Effect and Biofilm Formation of Clinical Isolated Classical Klebsiella pneumoniae and Hypervirulent Klebsiella pneumoniae from Respiratory Tract Infected Patients

Klebsiella pneumoniae strains that are commonly recognized by clinicians and microbiologists are termed as classical K. pneumoniae (cKP). A strain with capsule-associated mucopolysaccharide web is known as hypervirulent K. pneumoniae (hvKP) as it enhances the serum resistant and biofilm production. Aim is to determine and correlate various virulence genes, ESBL, serum bactericidal effect and biofilm formation of clinical isolated cKP and hvKP from respiratory tract infected patients. A total of

Rambha K. Shah, Zhao H. Ni, Xiao Y. Sun, Guo Q. Wang, Fan Li

Polish Journal of Microbiology , ISSUE 4, 501–508

Short Communication

Monitoring of Virulence Genes, Drug-Resistance in Campylobacter coli Isolated from Golden Retrievers

Marek Selwet, Mariola Galbas, Ryszard Słomski, Tomasz Cłapa, Filip Porzucek

Polish Journal of Microbiology , ISSUE 2, 237–240

Original Paper

Prevalence of Biofilm Formation and Wide Distribution of Virulence Associated Genes among Vibrio spp. Strains Isolated from the Monastir Lagoon, Tunisia

In the current study, 65 Vibrio spp. were isolated from the Monastir lagoon water, were characterized phenotypically and genotypically. In addition, we looked for the presence of three Vibrio parahaemolyticus virulence genes (tlh, trh and tdh) and ten Vibrio cholerae virulence genes (ctxA, vpi, zot, ace, toxR, toxT, tosS, toxRS, tcpA and cpP). We also investigated the antibiotic susceptibilities and the adherence ability of the identified strains to abiotic material and to biotic surfaces. The

Badreddine Mechri, Amel Medhioub, Mohamed Nejib Medhioub, Mahjoub Aouni

Polish Journal of Microbiology , ISSUE 3, 307–318

original-paper

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

strains are increasingly frequently isolated. This is mainly due to the overuse of antibiotics in animal husbandry (Jamali et al. 2013). Also, several virulence factors enable L. monocytogenes to infect and spread in the host (Park et al. 2012). L. monocytogenes possesses many virulence genes responsible for the invasion of host cells (inlA, inlB, and iap), phagosomal escape (hlyA, plcA, and plcB) and cell to cell spread (actA) (Hamon et al. 2006). This study aimed was to determine the multiple

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

Polish Journal of Microbiology , ISSUE 3, 353–369

original-paper

Diversity, Virulence Factors, and Antifungal Susceptibility Patterns of Pathogenic and Opportunistic Yeast Species in Rock Pigeon (Columba livia) Fecal Droppings in Western Saudi Arabia

HUSSEIN H. ABULREESH, SAMEER R. ORGANJI, KHALED ELBANNA, GAMAL E.H. OSMAN, MESHAL H.K. ALMALKI, AHMED Y. ABDEL-MALEK, ABDULLAH A.K. GHYATHUDDIN, IQBAL AHMAD

Polish Journal of Microbiology , ISSUE 4, 493–504

Original Paper

Genetic Analysis Method for Staphylococcus chromogenes Associated with Goat Mastitis

study of several bacterial species. To develop a genotyping method, the genome sequence of Staphylococcus chromogenes MU970 was analysed. The analysis showed nine virulence genes described in Staphylococcus aureus. The MLVA was developed using four loci identified in the genome of S. chromogenes MU970. This genotyping method was examined in 23 strains of CNS isolated from goat mastitis. The rate of discrimination for MLVA was 0.8893, and the highest rates of discrimination per the index of Simpson

ROCÍO A. RUIZ-ROMERO, ROBERTO A. CERVANTES-OLIVARES, ANDRÉS E. DUCOING-WATTY, DANIEL MARTÍNEZ-GÓMEZ, EFRÉN DÍAZ-APARICIO, ESTELA T. MÉNDEZ-OLVERA

Polish Journal of Microbiology , ISSUE 2, –

Original Paper

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

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

Polish Journal of Microbiology , ISSUE 4, 427–431

Original Paper

Safety Evaluation of Enterocin Producer Enterococcus sp. Strains Isolated from Traditional Turkish Cheeses

. Multiple enterocin structural genes were found in 7 strains. None of the tested enterococci demonstrated anyβ-haemolytic activity and only one strain had gelatinase activity. Six strains showed multiple antibiotic resistance patterns and in addition, vanA and several virulence genes were detected in many strains. Only E. faecalis MBE1-9 showed tyrosine decarboxylase activity and tdc gene was detected only in this strain.

Mine Avci, Banu Özden Tuncer

Polish Journal of Microbiology , ISSUE 2, 223–233

research-article

Active and inactive forms of biotin synthase occur in Heterodera glycines

analysis, conducted for the purpose of identifying single nucleotide polymorphisms (SNPs) associated with SCN genes implicated in virulence, found two candidate virulence genes, HgSLP-1 and biotin synthase (HgBioB), both of which have been acquired through HGTs (Bekal et al., 2015). HgBioB is a non-secreted protein/enzyme responsible for catalyzing the conversion of dethiobiotin (desthiobiotin or DTB) to biotin (vitamin B7). Furthermore, HgBioB contained SNPs that generated amino acid polymorphisms

Khee Man Kwon, Sadia Bekal, Leslie L. Domier, Kris N. Lambert

Journal of Nematology , 1–12

Mini Review

Bacteriological, Clinical and Virulence Aspects of Aeromonas-associated Diseases in Humans

of bacteria which is of serious health concern. Therefore, it is important to understand how antibiotic resistance develops and spreads in order to undertake preventive measures. It is also necessary to search and map putative virulence genes of Aeromonas for fighting the diseases caused by them. This review encompasses current knowledge of bacteriological, environmental, clinical and virulence aspects of the Aeromonas group and related diseases in humans and other animals of human concern.

UTTARA DEY BHOWMICK, SOUMEN BHATTACHARJEE

Polish Journal of Microbiology , ISSUE 2, –

Original Paper

Molecular Characterization of Shiga Toxin-Producing Escherichia coli Strains Isolated in Poland

distribution of various virulence determinants among STEC strains isolated in Poland from different sources. A total of 71 Shiga toxin-producing E. coli strains isolated from human, cattle and food over the years 1996–2010 were characterized by microarray and PCR detection of virulence genes. As stx1a subtype was present in all of the tested Shiga toxin 1 producing E. coli strains, a greater diversity of subtypes was found in the gene stx2, which occurred in five subtypes: stx2a, stx2b, stx2c, stx2d

Aleksandra Januszkiewicz, Waldemar Rastawicki

Polish Journal of Microbiology , ISSUE 3, 261–269

original-paper

Epidemiology, Drug Resistance, and Virulence of Staphylococcus aureus Isolated from Ocular Infections in Polish Patients

categories. DNA isolation. The bacterial strains were grown overnight at 37°C in tryptic soy broth medium and total DNA was isolated with the Genomic Mini Kit (A&A Biotechnology, Gdynia, Poland) according to the manufacturer’s instructions. Polymerase Chain Reaction (PCR)-based detection of resistance and virulence genes. PCR amplification was used to detect the mecA gene using previously described primers (Pereira et al. 2010). As controls, SA ATCC 33591 (mecA+) and SA ATCC 25923 (mecA−) were employed

MARTA KŁOS, MONIKA POMORSKA-WESOŁOWSKA, DOROTA ROMANISZYN, AGNIESZKA CHMIELARCZYK, JADWIGA WÓJKOWSKA-MACH

Polish Journal of Microbiology , ISSUE 4, 541–548

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