Articles related to "Virulence Factors"

Fimbriae are external structures of Gram- cells which enable bacteria to adhere to surfaces and, as virulence factors, mediate infection of host cells.

The emergence of methicillin resistance in Staphylococcus aureus is similar to that of penicillin resistance seen in the 1960s.

Most E. coli are non-pathogenic (non-disease-producing) and are referred to as commensal - the dictionary definition of commensal is "one who eats at the same table".

A simple bacillus, a soil resident, can cause a simple black ulcer on the skin, or it may spread through the entire body of a mammal and lead to death in a few days.

Bacteria in the genus Streptococcus can be classified by species, hemolysis pattern and by their antigens, chemicals to which the human immune system reacts.

Prokaryotes are evolutionarily ancient, for billions of years the only form of life. Here's a summary of the basic "parts & pieces" of these primitive cells.

Vaccines promote basic antigen antibody host responses to foreign antigens. This "anamnestic response" helps contain and destroy future encounters with the same antigen.

Think that stress and spicy food cause ulcers? Think again! Although these factors can make an ulcer worse, peptic ulcers are actually caused by the bacterium H. pylori.

Superbugs have become a topic of discussion in the media. MRSA is one of the most common talked about superbugs that is now spreading from the hospital to the community.

A number of factors contribute to the risks of illness following consumption of contaminated foods.

Both bacteria and viruses can cause disease. However, these two types of infectious agents achieve their pathogenicity in different ways.

MRSA, coined a superbug by the media, was until recently considered a hospital infection control concern but has now made its way into the community.

What specifically are the main differences between prokaryotic and eukaryotic cells? Here is a side by side comparison to simplify mastering the basics of cell structure.

MRSA acquired by persons who have not been recently hospitalized or had a medical procedure are known as community-acquired (CA-MRSA).