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Rickettsia

rickettsia

A member of a group of microorganisms that (like viruses) require other living cells for growth but (like bacteria) use oxygen, have metabolic enzymes and cell walls, and are susceptible to antibiotics. Rickettsiae cause a series of diseases (see rickettsial diseases).


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identify bacterias in Gram stain kit &The Giemsa Stain Kit

... or frozen sections. Nuclei: Blue/Violet Cytoplasm: Light Blue Collagen: Pale Pink Muscle Fibers: Pale Pink Erythrocytes: Gray, Yellow or Pink Rickettsia: Reddish-Purple Helicobacter Pylori: Blue Mast Cells: Dark Blue with Red Granules Source : Scytek Laboratories

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by scytek
Sat Mar 15, 2014 1:11 pm
 
Forum: General Discussion
Topic: identify bacterias in Gram stain kit &The Giemsa Stain Kit
Replies: 0
Views: 1271

Living or not? (viruses,viroids and prions).

Apparently the chlamydias and genus Rickettsia share some characteristics with viruses. They're no ordinary parasites, they're obligate intracellular parasites , entering inside the cells of their hosts as a requirement for survival (thus making ...

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by wildfunguy
Thu Oct 17, 2013 10:20 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10395

Reasons for Skepticism on the Endosymbiosis?

... by virtue of a symbiotic union of prokaryote cells. The nearest living relative to the mitochondrion is thought to be the alpha-proteobacteria Rickettsia (Emelyanov, 2000; Andersson et al., 1998). Chloroplasts are also thought to have arisen in a similar manner from the photosynthetic cyanobacteria. ...

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by SuperfluousAvatar
Thu Jan 12, 2012 7:43 pm
 
Forum: Cell Biology
Topic: Reasons for Skepticism on the Endosymbiosis?
Replies: 0
Views: 6046

Are any of these "alive": prions, viroids, virions?

... possesses many characteristics which place it at the boundary of living and non-living. It is as large as several bacterial species, such as Rickettsia conorii and Tropheryma whipplei, possesses a genome of comparable size to several bacteria, including those above, and codes for products ...

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by Tyred
Wed Mar 19, 2008 11:36 pm
 
Forum: Microbiology
Topic: Are any of these "alive": prions, viroids, virions?
Replies: 10
Views: 11770

kitasamycin is Belonging to the macrolide antibiotic

... the protein synthesis process. Its inhibition spectrum includes Mycoplasmas, Gram-positive bacteria, some Gram-negative bacteria, Leptospira, Rickettsia. It also inhibits most bacteria resistant to penicillin, oxytetracycline, chlortetracycline, erythromycin and chloramphenicol bacteria strains. ...

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by hinapharm
Sat Dec 15, 2007 4:23 am
 
Forum: Microbiology
Topic: kitasamycin is Belonging to the macrolide antibiotic
Replies: 0
Views: 4434
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