| Borrelia andersonii | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Spirochaetes |
| Order: | Spirochaetales |
| Family: | Spirochaetaceae |
| Genus: | Borrelia |
| Species: | B. andersonii |
| Binomial name | |
| Borrelia andersonii Marconi et al. 1995 | |
Borrelia andersonii is a spirochete bacterium. It can be pathogenic, being involved in cases of Lyme borreliosis. [1] [2]
A spirochaete or spirochete is a member of the phylum Spirochaetes, which contains distinctive diderm (double-membrane) gram-negative bacteria, most of which have long, helically coiled cells. Spirochaetes are chemoheterotrophic in nature, with lengths between 3 and 500 μm and diameters around 0.09 to at least 3 μm.
Lyme disease, also known as Lyme borreliosis, is a vector-borne disease caused by the Borrelia bacterium which is spread by ticks in the genus Ixodes. The most common sign of infection is an expanding red rash, known as erythema migrans, that appears at the site of the tick bite about a week after it occurred. The rash is typically neither itchy nor painful. Approximately 70–80% of infected people develop a rash. Early diagnosis can be difficult. Other early symptoms may include fever, headache, and tiredness. If untreated, symptoms may include loss of the ability to move one or both sides of the face, joint pains, severe headaches with neck stiffness, or heart palpitations, among others. Months to years later, repeated episodes of joint pain and swelling may occur. Occasionally, people develop shooting pains or tingling in their arms and legs. Despite appropriate treatment, about 10 to 20% of people develop joint pains, memory problems, and tiredness for at least six months.
Borrelia burgdorferi sensu stricto is a bacterial species of the spirochete class in the genus Borrelia, and is one of the causative agents of Lyme disease in humans. Along with a few similar genospecies, some of which also cause Lyme disease, it makes up the species complex of Borrelia burgdorferi sensu lato. The complex currently comprises 20 accepted and 3 proposed genospecies. B. burgdorferi sensu stricto exists in North America and Eurasia and until 2016 was the only known cause of Lyme disease in North America. Borrelia species are gram-negative.
The white-footed mouse is a rodent native to North America from Ontario, Quebec, Labrador, and the Maritime Provinces to the southwestern United States and Mexico. In the Maritimes, its only location is a disjunct population in southern Nova Scotia. It is also known as the woodmouse, particularly in Texas.
Borrelia is a genus of bacteria of the spirochete phylum. It causes Lyme disease, also called Lyme borreliosis, a zoonotic, vector-borne disease transmitted primarily by ticks and by lice, depending on the species of bacteria. The genus is named after French biologist Amédée Borrel (1867–1936), who first documented the distinction between a species of Borrelia, B. anserina, and the other known type of spirochete at the time, Treponema pallidum. This bacterium must be viewed using dark-field microscopy, which make the cells appear white against a dark background. Borrelia species are grown in Barbour-Stoenner-Kelly medium. Of 52 known species of Borrelia, 20 are members of the Lyme disease group, 29 belong to the relapsing fever group, and two are members of a genetically distinct third group typically found in reptiles. The Lyme disease group has been proposed to be split based on genetic diversity and moved to their own genus, Borelliella, but this change is not widely accepted. This bacterium uses hard and soft ticks and lice as vectors. Testing for the presence of the bacteria in a human includes two-tiered serological testing, including immunoassays and immunoblotting.
Lyme disease, or borreliosis, is caused by spirochetal bacteria from the genus Borrelia, which has 52 known species. Three main species are the main causative agents of the disease in humans, while a number of others have been implicated as possibly pathogenic. Borrelia species in the species complex known to cause Lyme disease are collectively called Borrelia burgdorferisensu lato (s.l.) not to be confused with the single species in that complex Borrelia burgdorferi sensu stricto which is responsible for nearly all cases of Lyme disease in North America.
Neuroborreliosis is a disorder of the central nervous system. A neurological manifestation of Lyme disease, neuroborreliosis is caused by a systemic infection of spirochetes of the genus Borrelia. Symptoms of the disease include erythema migrans and flu-like symptoms.
Southern tick-associated rash illness (STARI) is an emerging infectious disease related to Lyme disease that occurs in southeastern and south-central United States. It is spread by tick bites and it was hypothesized that the illness was caused by the bacteria Borrelia lonestari. However, there is insufficient evidence to declare this Borrelia strain as a causative agent.
Borrelia spielmanii is a spirochete bacterium; it routinely infects Ixodes ricinus, and subsequently humans, causing Lyme disease.
Borrelia japonica is a spirochete bacterium first isolated from Japanese mammals.
Borrelia lusitaniae is a bacterium of the spirochete class of the genus Borrelia, which has a diderm (double-membrane) envelope. It is a part of the Borrelia burgdorferisensu lato genospecies and is a Gram-negative bacterium. B. lusitaniae is tick-borne; he type strain is PotiB2. It can be pathogenic, being involved in cases of Lyme borreliosis. A species of tick, Ixodes ricinus, is the host of B. lusitaniae. It is thought to have originated from Portugal and has since spread to parts of Europe and North Africa. Lizards of the family Lacertidae are now believed to be important reservoir hosts of this bacterium.
Leptospirillum ferriphilum is an iron-oxidising bacterium. It is one of the species responsible for the generation of acid mine drainage. It is of particular relevance in South African commercial biooxidation tanks operating at 40 °C.
Borrelia bissettiae is a spirochete bacterium. The type strain is strain DN127. It is pathogenic and causes Lyme borreliosis in the Americas and Eurasia.
Borrelia kurtenbachii is a spirochete bacterium; it can be pathogenic, being involved in cases of Lyme borreliosis.
Borrelia turdi, formerly known as Borrelia turdae, is a spirochete bacterium first isolated from specimens of Ixodes tanuki. Its name refers to its reservoir, Turdus merula.
Borrelia sinica is a spirochete bacterium. Its cells contain only four periplasmic flagella inserted at each end of the spirochaetes, differing from other Borrelia species. It is associated with Lyme disease. CMN3T is the type strain of this species.
Borrelia carolinensis is a spirochete bacterium associated with Lyme disease.
Brevinema andersonii, named for John F. Anderson, who first described the organism. This organism is a Gram-negative, microaerophilic, helical shaped, chemoorganotrophic organism from the genus Brevinema. Brevinema andersonii is host associated, strains have been isolated from blood and other tissues of short-tailed shrews and white-footed mice and are infectious for laboratory mice and Syrian hamsters.B. andersonii is readily identified by restriction enzyme analysis, and SDS-PAGE, or fatty acid composition data. Another identifier for B. andersonii is the sheathed periplasmic flagella in the 1-2-1 configuration. While cells are visible by dark-field or phase-contrast microscopy, they cannot be seen when bright-field microscopy is used.
Lymphocytic meningoradiculitis, also known as Bannwarth syndrome, is a neurological disease characterized as intense nerve pain radiating from the spine. The disease is caused by an infection of Borrelia burgdorferi, a tick-borne spirochete bacterium also responsible for causing Lyme disease.
Borrelia mayonii is a Gram-negative, host-associated spirochete that is capable of causing Lyme disease. This organism can infect various vertebrate and invertebrate hosts such as humans and ticks, primarily Ixodes scapularis. Migratory songbirds play a role in the dispersal of the tick vector, Ixodes scapularis, across long distances, indirectly dispersing Borrelia mayonii as well.
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