Articles related to "Gram Negative"

Pneumonia is an infection of the lungs typically caused by a bacteria, virus, or inhaled substances. Here is a look at some gram-negative bacterial causes.

Most bacteria have one of these two types of cell walls. The differential Gram stain uses two dyes to distinguish between bacteria based on cell wall structure.

Gram- bacteria stain pink due to the location of cell wall peptidoglycan and an external LPS membrane. Here's how Gram staining identifies Gram negative organisms.

Bdellovibrio bacteriovorus feasts on disease causing gram negative bacteria, making them potentially useful as 'living antibiotics'.

Pneumonia is an inflammation or infection of the lungs most commonly caused by a bacteria or virus, but can also be caused by inhaling foreign substances.

Gram staining involves the application of a series of dyes that leaves some bacteria purple (Gram +) and others pink (Gram -). Here's how the Gram stain works.

The amount and location of peptidoglycan in the prokaryotic cell wall is what determines whether a bacterium is Gram-positive or Gram-negative.

This collection of articles provides basic information about prokaryotic and eukaryotic cells, their structure, function, differences and similarities.

Most bacteria have one of these two types of cell walls. The differential Gram stain uses two dyes to distinguish between bacteria based on cell wall structure.

MacConkeys Agar is a special bacterial growth medium that is selective for Gram- bacteria and can differentiate those bacteria that are able to ferment lactose.

Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do aminoglycosides destroy bacteria without hurting our cells?

Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How does penicillin destroy bacteria without hurting our cells?

Most Gram-negative bacteria have hair-like projections external to their cell's wall. One type, fimbriae, allows bacteria to stick together and attach to host cells.

Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do quinolones destroy bacteria without hurting our cells?

Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do tetracyclines destroy bacteria without hurting our cells?

Seemingly with increased frequency, news reports link the sickening of numerous people with the identification of food tainted by the presence of the bacterium Salmonella

Antibiotics are drugs used to fight bacterial infections. How do these medications work to kill bacteria without harming human cells?

Differential stains and media can provide preliminary identification of microbes, but to identify Gram- bacteria to the species, a more sophisticated test is required.

Pneumonia is an inflammation of the lungs caused by bacteria, virus, fungus or the inhalation of foreign substances. Here are some quick links to articles on pneumonia.

In microbiology, there are many different techniques used to identify microbes. Differential media typically provide general information regarding identity.

Bacterial controls are often used with differential stains as examples of typical positive and negative stain reactions; helpful references when identifying unknowns.

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

Gram + bacteria stain purple due to the chemistry and structure of their peptidoglycan cell wall. Here's how Gram staining identifies Gram-positive organisms.

In order to view individual bacteria through a light microscope, a bacterial smear must be attached to a slide and then stained. Here is the procedure.

Selective media inhibit the growth of certain microbes, providing general information regarding the bacteria that are able to grow on these specialized types of agar.

Medications and vaccines are available to treat and prevent some STIs. Still these diseases are on the rise. Many cause no symptoms; spread by those unaware of infection.

Gram, Acid Fast and Endospore stains; MacConkey's, Mannitol Salt, and Blood Agar media as well as the API-20 test strip all provide information to identify microbes.

Bacterial vaginosis is a condition in which the normal flora of the vagina has been disrupted shifting from the predominance of Lactobacillus species to an overgrowth of

Meningitis is an inflammation of the meninges that line and protect the brain and spinal cord. It occurs when bacteria or viruses breech the blood-brain barrier.

Prokaryotic cells can have a variety of surface appendages - flagellum, fimbria or pilus - that enable them to move, adhere to surfaces and even infect host cells.

What does it mean if a BAP throat culture shows B-hemolysis? Do you have strep throat? Maybe. Here is some additional information on B-hemolytic bacteria.

Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do they destroy bacteria without hurting our cells?

Antibiotics are the metabolic by-products of microorganisms that in very small amounts are detrimental or inhibitory to other microorganisms.

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.

Betta fish are easy to care for, but they do sometimes get sick - and the quicker the disease is diagnosed and treated, the more likely the fish will survive.

The bacterium Acinetobacter baumannii was often ignored by doctors but now is considered a potentially lethal pathogen in hospitals, due to antibiotic resistant strains.

Archaea are prokaryotes that differ from bacteria and eukaryotes enough to be assigned to their own taxonomic domain. Here is a brief introduction to Archaeans.

Probiotics have been making waves in the nutritional community for ages, but only recently has kefir been found to have an abundance of nutritional and healing benefits.

Researchers, in conjunction with a major shoe corporation, recently identified a myriad of dangerous and health-threatening germs carried unknowingly on your shoe.

Urinary tract infections can be mild or serious with symptoms that depend on the portion of the urinary tract involved.

Morning's the worst of it; when that sticky, smelly film covers teeth and tongue. Some call it morning breath, or dragon breath, but what really causes halitosis?

Oxygen is required for cells to break down organic molecules in the most energy-efficient way. How do microbes that live under conditions of low or no O2 metabolize food?

Ear cytology is a valuable test used to diagnose ear infections in dogs and cats. Cytology detects bacterial, yeast and parasitic infections and helps direct treatment.

Erhlichia is a disease spread by ticks. There are different types of Ehrlichia and the different types are spread by different types of ticks.

A refreshing dip in a contaminated pool or hot tub can sometimes lead to an itchy rash all over the body. Learn the causes and treatment of hot tub itch folliculitis.

Pneumonia is an infection of the lungs most commonly caused by a bacterium or virus, but can also result from inhalation of endemic fungi. Here are the most common.

Living things can be studied and classified based on their genome as well as the protein products derived from those genetic instructions.

Ocimum (Basil or Tulsi) is a sacred and much revered plant in India. It is highly glorified in Ayurveda as the "incomparable one" due to its numerous beneficial effects.

Helicobacter pylori causes peptic ulcer disease: gastric and duodenal ulcers.

Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do sulfonamides impact bacteria without hurting our cells?