Dormant Cells of Staphylococcus aureus Are Resuscitated by Spent Culture Supernatant

Dormant Cells of Staphylococcus aureus Are Resuscitated by Spent Culture Supernatant

We describe the first in vitro model of dormancy in Staphylococcus aureus, showing that cells are generated which can be resuscitated by addition of spent medium supernatant taken from cultures of the same organism. Over 30 days, culturable counts in dormant cultures of S. aureus SH1000 fell from 10(6)-10(7) cfu/ml to <10 cfu/ml as measured by the Most Probable Number method in liquid culture, ...

Lysis of Staphylococcus aureus by culture supernatant fluids of a species of Aeromonas.

Antibacterial Activity of Cell-Free Culture Supernatant of Bacteriocinogenic Pediococcus pentosaceus IO1 against Staphylococcus aureus Inoculated in Fruit Juices

Background: Staphylococcus aureus is a major food-borne pathogen worldwide and a frequent contaminant of fruit juices. This study aimed to evaluate the antibacterial activity of bacteriocin-containing Cell-Free Culture Supernatants (CFCS) of Pediococcus pentosaceus IO1 against S. aureus inoculated in fruit juices, as well as their impact on the juice sensory attributes. Methods: The orange and...

Modification of the Mechanical Properties of Red Blood Cell Membrane by Spent Plasmodium falciparum Culture Supernatant

The effect of spent culture supernatant on RBC membrane mechanical properties, RBC membrane deformability and stability, were assayed by ektacytometry after treating RBC ghost membranes with spent Plasmodium falciparum (P. falciparum) malaria culture supernatant fluid (Pf(+)), malaria culture medium which had not been exposed to P. falciparuminfected RBCs Pf(-), and malaria culture medium from ...

Survey of the Lethal Effect of Ciprofloxacin and Supernatant Isolated from Staphylococcus Aureus under the Stress of Ciprofloxacin on Methicillin-Resistant Staphylococcus Aureus Strains Isolated from Clinical Specimens

Background and Aim: Staphylococcus aureus is gram-positive coccus that is one of the most important causes of nosocomial infections and cause cutaneous or subcutaneous infections. Among these bacteria Methicillin-resistant Staphylococcus aureus (MRSA) are the most important. The aim of the present study was to investigate the lethal effect of a substance isolated from Staphylococcus aureus unde...