Dictionary > Neisseria sicca

Neisseria sicca

Definition
Noun
A gram-negative diplococcus oxidase positive commensal bacterium involved as a normal flora of human oral cavity and upper respiratory tract.
Supplement
Neisseria sicca has the ability to produce acid from carbohydrates in which most of the strains not pigmented and forms dry wrinkled adherent colonies. It consists of multiple strains in which some reported to caused septicemia to an immunocompromised individual. It has been identified among Neisseria species to show O-repeat structure in its lipopolysaccharides.
Neisseria sicca is a natural inhabitant of the oropharynx in human that is known to be a harmless saprophyte but rarely considered as an etiologic agent in human disease particularly to those with immunodeficient individual. Some cases this bacterium caused serious infections includes endocarditis, bacteremia, meningitis and septic arthritis as well as peritonitis.
Neisseria sicca has the ability to degrade hydrogen peroxide in salivary sediment and dental plaques. It does not utilize lactose but produces acid from maltose, glucose, fructose and sucrose.
Scientific classification:
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Betaproteobacteria
Order: Neisseriales
Family: Neisseriaceae
Genus: Neisseria
Species: Neisseria sicca
See also:
• Bacteria
• Dental plaque
• Peritonitis


You will also like...

Independent Assortment and Crossing Over
Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

Lentic community
Freshwater Communities & Lentic Waters

Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

sponge
Primitive Animals

Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

An artist's depiction of the origin of amphibians
Amphibians & Early Reptiles

Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

3D rendering of an antibody
Passive and Active Types of Immunity

Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

Sensory systems
Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

Related Articles...

No related articles found

See all Related Topics