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...

green leaf - close up view
Leaves

Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..

Ecosystem Succession
Ecosystem Succession

If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..

Freshwater Ecology
Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

Buttress roots
Roots

This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

Electromagnetic spectrum of a brain
Sleep and Dreams – Neurology

While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

Chromosome Mutations
Chromosome Mutations

Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..