[Evaluation of selected properties of morphological variants of Acinetobacter baumannii complex].

Introduction: The ability of growth of Acinetobacter baumannii as morphology colony variants have been observed. However, the importance of this phenomenon for its biology is not known. The aim of this study was to evaluate some properties of light and dark morphology colony variants.

[Adhesion and slime production by wild and clinical strains of Acinetobacter baumannii].

Introduction: Adhesion of bacteria to the surface plays a key role in the development of infection, and is the first stage of biofilm formation. The ability of A. baumannii strains to adhesion and forming biofilms on abiotic surfaces, as well as eucaryotic cells was described.

[Carbapenem-resistant Acinetobacter baumannii strains].

A. baumannii rods are opportunistic pathogens responsible generally for nosocomial infections. Resistance to carbapenems, observed among them, is a serious threat due to ability to be transmitted between bacterial species.

[Antibiotic sensitivity of beta-hemolytic streptococci isolated from throat swabs and purulent material].

The aim of this study was to evaluate the prevalence and susceptibility of beta-hemolytic streptococci isolated from throat swabs (142--29.9%) and purulent material (333--70.1%) taken from patients treated at University Hospital dr.

[Evaluation of occurrence of Alcaligenes faecalis in clinical samples of patients of the university hospital in Bydgoszcz].

Alcaligenes faecalis is an aerobic Gram-negative, non-fermentative rod. It's saprophyte of water and soil. It may be recovered from wet places of hospital environment.

The influence of staphylococcin T (StT) on the mouse fibroblasts (3T3) viability, an in vitro experiment.

Staphylococcin T (StT) is a bacteriocin, which can serve as an antibiotic. The influence of StT on the mammalian cells viability should be examined before its possible applications. The aim of this work was to study the influence of StT on mouse fibroblasts viability in vitro.

[Hydrolytic and haemolytic activity of Klebsiella pneumoniae and Klebsiella oxytoca].

Hydrolytic enzymes and haemolysins are important extracellular substances produced by many bacteria. We investigated 57 K. pneumoniae strains and 40 K.