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What are examples of dicoccus bacteria?
Examples of dicoccus bacteria include Streptococcus and Neisseria. These bacteria typically appear as pairs (diplococci) due to their division process. Streptococcus species are often associated with infections such as strep throat, while Neisseria includes pathogenic species like Neisseria gonorrhoeae, which causes gonorrhea. Other examples include Pneumococcus, responsible for pneumonia.
What is selective growth media?
these media contain substances that accelerate the growth of required pathogens only and prevent or slow down the growth of other microorganisms. example: XLD agar: it is used for the growth of salmonellae and shiggellae. the bile salts present in this media prevent the growth of many fecal commensals.
What diseases does coccus bacteria cause?
Diseases caused by cocci bacteria are many. Here are a few: Neisseria gonorrhoeae: gonorrhea, meningitis. Staphylococcus aureus: skin boils, toxic shock syndrome, impetigo, food poisoning. Staphylococcus epidermidis: skin lesions. Streptococcus mutans: dental caries, endocarditis. Streptococcus pneumoniae: pneumonia, otitis media, sinusitis. Streptococcus pyogenes: pharyngitis, impetigo, scarlet fever, rheumatic fever, or puerperal fever.
What is the contribution of neissar in microbiology?
Carl Friedrich Neisser made significant contributions to microbiology by discovering the bacterium Neisseria gonorrhoeae, the causative agent of gonorrhea, in 1879. He also identified Neisseria meningitidis, responsible for meningococcal meningitis. Neisser's work laid the foundation for understanding bacterial infections and the importance of specific pathogens in human disease, influencing both clinical microbiology and public health. His techniques in staining and culturing bacteria further advanced microbiological research methods.
Is Neisseria meningitis and neisseria meningitidis the same thing?
Yes ,both are same.It is a gram negative diplococcal bacterium best known for its role in meningitis.
What is the size of neisseria?
It's bigger than the pores in sheet latex. (Neisseria is the bacteria that causes gonorrhea.)
Does Neisseria grow on CNA agar?
Yes, Neisseria, specifically Neisseria meningitidis and Neisseria gonorrhoeae, can grow on Columbia CNA (Colistin Nalidixic Acid) agar. CNA agar can be used to differentiate between Neisseria species and other bacteria based on their ability to grow and hemolyze the blood present in the agar.
Neisseria?
Gram negative diplococcic 2) Kidney-bean shaped cocci that occur in pairs. 3) Obligate aerobes 4) Common inhabitants of animal / human mucous membranes. 5) Nutritionally fastidious 6) Neisseria gonorrhoeae - gonorrhea 7) Neisseria meningitidis - meningitis
What is pyogenic meningitis?
It is the inflammation of meninges,with the formation of pus over whole meninges, due to infections such as staphylococcus aureus,neisseria gonorrhea.
What does virulent bacteria mean?
Virulent bacteria are ones that are able to cause disease. Examples of potentially virulent bacteria are Staphylococcus aureus and Neisseria gonorrhea.
Is Neisseria meningitidis Gram-positive cocci?
Neisseria gonorrhoeae ( nīsə′rēə ′gänə′rē′ī ) ( microbiology ) A gram-negativecoccus pathogen that causes the sexually transmitted disease gonorrhea
What are examples of dicoccus bacteria?
Examples of dicoccus bacteria include Streptococcus and Neisseria. These bacteria typically appear as pairs (diplococci) due to their division process. Streptococcus species are often associated with infections such as strep throat, while Neisseria includes pathogenic species like Neisseria gonorrhoeae, which causes gonorrhea. Other examples include Pneumococcus, responsible for pneumonia.
Is cephalexin cure gonorrhea?
Cephalexin is not an effective treatment for gonorrhea. The recommended first-line treatments for gonorrhea typically include ceftriaxone or azithromycin. Cephalexin, a cephalosporin antibiotic, is generally used for other types of bacterial infections but does not have sufficient efficacy against Neisseria gonorrhoeae, the bacteria responsible for gonorrhea. Therefore, patients should seek appropriate antibiotic therapy as advised by a healthcare professional.
Types of bacteria in newborn eyes?
The most common bacteria that can cause serious eye damage are gonorrhea (Neisseria gonorrhea) and chlamydia (Chlamydia trachomatis), which can be passed from mother to child during birth.Bacteria that normally live in a woman's vagina also cause neonatal conjunctivitis.
What diseases do diplococci bacteria cause?
Meningococcal diplodocus is a gram negative bacteria. Meningococcal diplodocus can cause septicemia, meningitis or both, these infections can be present with conjunctivitis, arthritis, and a combination of other symptoms.
What is the oxygen requirement for neisseria gonorrheae?
Neisseria gonorrhoeae is a facultative anaerobic bacterium, meaning it can grow in both aerobic and anaerobic conditions. However, it primarily grows best in the presence of oxygen. Therefore, Neisseria gonorrhoeae is categorized as an aerobic organism.
Agar media required for growth of Neisseria meningitidis?
Thayer-Martin agar is a selective agar medium commonly used for the growth of Neisseria meningitidis. It contains antibiotics that inhibit the growth of competing bacteria, allowing N. meningitidis to grow. Additional supplements like blood or chocolate agar may also be used to enhance the growth of this bacterium.
