MYCOPLASMATACEAE

MYCOPLASMATACEAE

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Mycoplasma thumbnail

Mycoplasma

Mycoplasma is a genus of bacteria that, like the other members of the class Mollicutes, lack a cell wall, and its peptidoglycan, around their cell membrane. The absence of peptidoglycan makes them naturally resistant to antibiotics such as the beta-lactam antibiotics that target cell wall synthesis. They can be parasitic or saprotrophic. In casual speech, the name "mycoplasma" (plural mycoplasmas or mycoplasms) generally refers to all members of the class Mollicutes. In formal scientific classification, the designation Mycoplasma refers exclusively to the genus, a member of the Mycoplasmataceae, the only family in the order Mycoplasmatales (see "scientific classification"). In 2018, Mycoplasma was split with many clinically significant species moved to other genera in Mollicutes; see the page Mollicutes for an overview.

In connection with: Mycoplasma

Mycoplasma

Description combos: all Mycoplasma be Mollicutes synthesis to refers many Mollicutes

Ureaplasma urealyticum thumbnail

Ureaplasma urealyticum

Ureaplasma urealyticum is a bacterium belonging to the genus Ureaplasma and the family Mycoplasmataceae in the order Mycoplasmatales. This family consists of the genera Mycoplasma and Ureaplasma. Its type strain is T960. There are two known biovars of this species; T960 and 27. These strains of bacteria are commonly found as commensals in the urogenital tracts of human beings, but overgrowth can lead to infections that cause the patient discomfort. Unlike most bacteria, Ureaplasma urealyticum lacks a cell wall making it unique in physiology and medical treatment.

In connection with: Ureaplasma urealyticum

Ureaplasma

urealyticum

Title combos: urealyticum Ureaplasma

Description combos: are and is found This and commonly is genus

Ureaplasma thumbnail

Ureaplasma

Ureaplasma is a genus of bacteria belonging to the family Mycoplasmataceae. As the name implies, Ureaplasma is urease positive.

In connection with: Ureaplasma

Ureaplasma

Description combos: Ureaplasma implies the Ureaplasma Ureaplasma Ureaplasma implies the family

Mycoplasmataceae thumbnail

Mycoplasmataceae

Mycoplasmataceae is a family of bacteria in the order Mycoplasmatales. This family consists of Mycoplasma and four more genera. In 1967, the order Mycoplasmatales was incorporated into the class Mollicutes. Sexually-transmitted species and Ureaplasma are classified in Mycoplasmoidaceae since 2018.

In connection with: Mycoplasmataceae

Mycoplasmataceae

Description combos: family 2018 classified transmitted four Mycoplasmoidaceae species 1967 order

Acholeplasmataceae thumbnail

Acholeplasmataceae

Acholeplasmataceae is a family of bacteria. It is the only family in the order Acholeplasmatales, placed in the class Mollicutes. The family comprises the genera Acholeplasma and Phytoplasma. Phytoplasma has the candidatus status, because members still could not be cultured. Etymology: The names Acholeplasmataceae and Acholetoplasmatales are derived from the Greek a = not, cholè = bile and plasma = anything moulded or formed. Species in the order Acholeplasmatales can grow in a medium without cholesterol, unlike species in the order Mycoplasmatales. Cholesterol, a sterol, is an important component of the cell membrane of mycoplasmas, whereas in acholeplasmas and in bacteria in general it is absent.

In connection with: Acholeplasmataceae

Acholeplasmataceae

Description combos: sterol grow the the anything Cholesterol can in of

Ureaplasma parvum

Ureaplasma parvum is a species of Ureaplasma, a genus of bacteria belonging to the family Mycoplasmataceae. Ureaplasma parvum was formerly known as Ureaplasma urealyticum biovar 1. Ureaplasma parvum has been identified as being a commensal in the female reproductive tract as part of the microbiome in healthy women of reproductive age.

In connection with: Ureaplasma parvum

Ureaplasma

parvum

Title combos: Ureaplasma parvum

Description combos: Ureaplasma Mycoplasmataceae age was in Ureaplasma bacteria age urealyticum

Atypical bacteria

Atypical bacteria are bacteria that do not get colored by gram-staining but rather remain colorless: they are neither Gram-positive nor Gram-negative. These include the Chlamydiaceae, Legionella and the Mycoplasmataceae (including mycoplasma and ureaplasma); the Spirochetes and Rickettsiaceae are also often considered atypical. Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, which retains the crystal violet during Gram staining, resulting in a purple color. Gram-negative bacteria have a thin peptidoglycan layer which does not retain the crystal violet, so when safranin is added during the process, they stain red. The Mycoplasmataceae lack a peptidoglycan layer so do not retain crystal violet or safranin, resulting in no color. The Chlamydiaceae contain an extremely thin peptidoglycan layer, preventing visible staining. Ricketsiaceae are technically Gram-negative, but are too small to stain well, so are often considered atypical. Peptidoglycans are the site of action of beta-lactam antibiotics such as penicillins and cephalosporins, so mycoplasma are naturally resistant to these drugs, which in this sense also makes them “atypical” in the treatment of their infections. Macrolides such as erythromycin however, are usually effective in treating atypical bacterial infections. Finally, some of these bacteria can cause a specific type of pneumonia referred to as atypical pneumonia. That is not to say that atypical pneumonia is strictly caused by atypical bacteria, for this disease can also have a fungal, protozoan or viral cause. Through a recent study on analyzing synergistic interactions between the influenza viruses and atypical bacteria, it was stated that there have been findings of interaction between the two most prominent strains C. Pneumoniae and M. Pneumoniae with the influenza virus. This was labeled and discussed as a coinfection in correlation to the influenza virus.

In connection with: Atypical bacteria

Atypical

bacteria

Title combos: bacteria Atypical

Description combos: in in visible are retains layer the but resulting

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