Spirochaetes


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Spirochaetes

Gram-negative (see GRAM'S STAIN) spiral-shaped BACTERIA that may be free-living, parasitic (see PARASITE).or PATHOGENIC. They are motile and can be AEROBES, FACULTATIVE ANAEROBES or anaerobes. They include some important PATHOGENS, for example, Treponema pallidum, the cause of SYPHILIS, and Leptospira species that cause Leptospirosis, a disease spread by water contaminated with the spirochaetes.
References in periodicals archive ?
Numerous viable spirochaetes were observed under the dark field microscope (Fig.
Silver Deposition Techniques: The standard stains for spirochaetes have long been silver deposition methods.
Borrelia are members of a larger family of spiral-shaped bacteria called Spirochaetes.
Gingivalis and spirochaetes, protease activity alters the mucosal epithelium to increase the adhesion and colonization of respiratory pathogens.
Leptospira are spirochaetes, Gram-negative bacteria which is a causal agent for this disease.
Only in Idas 5 was a reduced signal identified in the dorsal part where male acini occur that appeared to be spirochaetes (Fig.
In lysimeter samples, a few sequences were assigned to TM7, Spirochaetes, Verrucomicrobia, and Chlamydiae phyla.
Differentiation of intestinal spirochaetes by multilocus enzyme electrophoresis analysis and 16S rRNA sequence comparisons.
El genero Leptospira corresponde a un grupo de bacterias del phyllum Spirochaetes, que se caracteriza por estar formado por bacterias aerobias o microaerofilicas, similares a las Gram negativas debido a que su pared celular esta formada por una membrana celular externa, la cual rodea la capa de peptidoglicano (1, 2).
Infectious causes may be due to bacteria, mycobacteria, viruses, fungi or spirochaetes and may form part of an immune reconstitution inflammatory syndrome (IRIS) if occurring after the onset of ARV medication.
Relapsing fever in California: attempts to transmit spirochaetes of California relapsing fever to human subjects by means of the bite of the vector, Ornithodoros hermsi Wheeler.