Gram Positive Diplococci Bacteria. Two of the most common Gram-positive diplococcus includes Streptococcus pneumoniae and Enterococcus species. Normally, Streptococcus pneumoniae …

2023年5月30日 · Gram-positive bacteria comprise cocci, bacilli, or branching filaments. Gram-positive cocci include Staphylococcus (catalase-positive), which grows clusters, and …

The gram-positive cocci are a large group of bacteria with similar morphology. All are spherical or nearly so, but they vary considerably in size. Members of some genera are identifiable by the …

For instance, gram-positive cocci seen in tetrads and clusters or in long chains are highly characteristic of staphylococci and streptococci, respec-tively [T1] [I1a] [I1b], but may appear …

Streptococcus pneumoniae (pneumococci) are gram-positive, alpha-hemolytic, aerobic, encapsulated diplococci. Pneumococcal infection is a major cause of otitis media, pneumonia, …

2024年1月16日 · When bacteria retain the crystal violet dye during the Gram stain test, they are called Gram-positive bacteria. Learn more here.

Gram positive diplococcus (Streptococcus pneumoniae) This is a blood culture. Notice the cocci in pairs which are described as a lancet shaped (slightly drawn out at the ends), which is a …

2016年9月28日 · The cerebrospinal fluid (CSF) Gram stain suggested Streptococcus pneumoniae: Gram-positive diplococci with a surrounding clear area indicative of a bacterial …

Gram-positive bacteria may be cocci or bacilli. (See figure How Bacteria Shape Up.) Some Gram-positive bacteria cause disease. Others normally occupy a particular site in the body, such as …

Gram-positive elongated (lanceolate) diplococci and may show evidence of capsule but no evidence of spore. Blood agar: Following overnight incubation. S. pneumoniae forms …