Neorickettsia
Encyclopedia
Species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 or Strain
Strain (biology)
In biology, a strain is a low-level taxonomic rank used in three related ways.-Microbiology and virology:A strain is a genetic variant or subtype of a micro-organism . For example, a "flu strain" is a certain biological form of the influenza or "flu" virus...

s in this group are coccoid or pleomorphic cells that reside in cytoplasmic vacuoles
within monocytes and macrophages of dogs, horses, bat
Bat
Bats are mammals of the order Chiroptera "hand" and pteron "wing") whose forelimbs form webbed wings, making them the only mammals naturally capable of true and sustained flight. By contrast, other mammals said to fly, such as flying squirrels, gliding possums, and colugos, glide rather than fly,...

s, and
humans.

Neorickettsia sennetsu causes Sennetsu ehrlichiosis. Unlike most other closely related diseases, Neorickettsia sennetsu is transmitted by Trematodes from fish.
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