J 2018

Effect of arsenic (III and V) on oxidative stress parameters in resistant and susceptible Staphylococcus aureus

JELINKOVA, Pavlina, Radek VESELÝ, Krystina CIHALOVA, Dagmar HEGEROVA, Abd Alrahman Ali Ananbeh HANADI et. al.

Základní údaje

Originální název

Effect of arsenic (III and V) on oxidative stress parameters in resistant and susceptible Staphylococcus aureus

Autoři

JELINKOVA, Pavlina (203 Česká republika), Radek VESELÝ (203 Česká republika, domácí), Krystina CIHALOVA (203 Česká republika), Dagmar HEGEROVA (203 Česká republika), Abd Alrahman Ali Ananbeh HANADI (203 Česká republika), Lukas RICHTERA (203 Česká republika), Kristyna SMERKOVA (203 Česká republika), Martin BRTNICKY (203 Česká republika), Jindrich KYNICKY (203 Česká republika), Amitava MOULICK (203 Česká republika) a Vojtech ADAM (203 Česká republika, garant)

Vydání

Environmental Research, SAN DIEGO, ACADEMIC PRESS INC ELSEVIER SCIENCE, 2018, 0013-9351

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

30304 Public and environmental health

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 5.026

Kód RIV

RIV/00216224:14110/18:00103299

Organizační jednotka

Lékařská fakulta

UT WoS

000445318200042

Klíčová slova anglicky

Growth inhibition; Metals; Microbes; Oxidative stress; Antibiotic resistance

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 9. 2. 2019 22:27, Soňa Böhmová

Anotace

V originále

The presented study deals with the observation of properties of methicillin-susceptible Staphylococcus aureus (MSSA) and methicillin-resistant S. aureus (MRSA) in the toxic arsenic environment and influence of arsenic on antioxidant capacity. Two forms of arsenic (As(III), As(V)) with different concentrations were used for induction of the oxidative stress in tested strains. Microbiological methods showed that the growth inhibition of MSSA was higher than that of MRSA in presence of both arsenic ions. As(III) showed 24% and 33% higher anti-microbial effects than As(V) against MSSA and MRSA respectively. A similar result was found also in the experiment of reduction of biofilm-formation. By using spectrophotometry, it was revealed that As(III) induced higher antioxidant production in both bacterial cultures. Methicillin-susceptible S. aureus produced an app. 50 mg equivalent of gallic acid (GAE/1 mg of protein) and MRSA produced an app. 15 mg of GAE/1 mg of protein. The productions of metallothionein in MSSA and MRSA were decreased up to 62.41% and 55.84% respectively in presence of As ions. Reduction of As(III) and As(V) concentrations leads to a decrease in antioxidant production and increased the formation of metallothionein. All of these changes in the results were found to be significant statistically. Taken together, these experiments proved that in comparison with MSSA, MRSA is less susceptible not only to the antimicrobial effects of antibiotics but also against effects caused by metalloids, as arsenic. Thus, it can be stated that MRSA abounds with complex defensive mechanisms, which may in the future constitute significant problem in the efficiency of antibiotics alternatives as metal ions or nanoparticles.