- Cocci that are in pairs are known as diplococci (examples include, Streptococcus pneumoniae and Neisseria gonorrhoeae).
- Streptococci are cocci strings (e.g. Streptococcus pyogenes).
- Staphylococci are colonies of cocci that are irregular (grape-like) (e.g. Staphylococcus aureus).
What are the 3 types of cocci bacteria?
A coccus (plural cocci) is any bacterium or archaeon that has a spherical, ovoid, or generally round shape. Bacteria are categorized based on their shapes into three classes: cocci (spherical-shaped), bacillus (rod-shaped) and spirochetes (spiral-shaped) cells.
What are the 5 examples of bacteria?
Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes).
How many types of coccus bacteria are there?
There are three basic shapes of bacteria: coccus, bacillus, and spiral. Based on planes of division, the coccus shape can appear in several distinct arrangements: diplococcus, streptococcus, tetrad, sarcina, and staphylococcus. The bacillus shape can appear as a single bacillus, a streptobacillus, or a coccobacillus.
What are the 10 examples of bacteria?
Top Ten BacteriaDeinococcus radiodurans.Myxococcus xanthus. ... Yersinia pestis. ... Escherichia coli. ... Salmonella typhimurium. ... Epulopiscium spp. The big boy of the kingdom – about as large as this full stop. ... Pseudomonas syringae. Dreaming of a white Christmas? ... Carsonella ruddii. Possessor of the smallest bacterial genome known, C. ... More items...•
What are the 7 types of bacteria?
Shape – Round (coccus), rod-like (bacillus), comma-shaped (vibrio) or spiral (spirilla / spirochete) Cell wall composition – Gram-positive (thick peptidoglycan layer) or Gram-negative (lipopolysaccharide layer) Gaseous requirements – Anaerobic (obligate or facultative) or aerobic.
Is E. coli a bacillus?
E coli is a gram-negative bacillus that grows well on commonly used media. It is lactose-fermenting and beta-hemolytic on blood agar.
What shape is E coli?
rod-shapedThe bacterium Escherichia coli is rod-shaped, and a unit cell keeps regular dimensions of about 1.5 µm long and 0.5 µm wide.
What are the 4 types of bacteria?
Bacteria can be classified based on their shape into bacillus, coccus, vibrio and spirillum.
Where are cocci commonly found?
The Gram-positive cocci (Staphylococcus spp., Enterococcus spp., or Streptococcus spp.) are common inhabitants of the normal flora of the skin and mucosal membranes (e.g. gastrointestinal tract) in poultry (Devriese et al., 1991; Nagase et al., 2002).
What is E. coli short for?
Escherichia coli (abbreviated as E. coli) are bacteria found in the environment, foods, and intestines of people and animals.
How do you get cocci bacteria?
Brucellosis is a disease caused by coccobacilli from the genus Brucella. It's usually found in animals, such as sheep, cattle, and goats. However, humans can get it from eating or drinking unpasteurized dairy products. The bacteria can also enter your body through cuts and scratches or through mucus membranes.
What are the 2 types of bacteria?
Bacteria (eubacteria and archaea)