order Rickettsiales


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Related to order Rickettsiales: Rickettsiaceae, Q fever, Anaplasmataceae, Ehrlichia, Coxiella, Wolbachia
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Noun1.order Rickettsiales - pleomorphic Gram-negative microorganisms
animal order - the order of animals
division Eubacteria - one-celled monerans having simple cells with rigid walls and (in motile types) flagella
family Rickettsiaceae, Rickettsiaceae - microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
Chlamydiaceae, family Chlamydiaceae - Gram-negative parasites in warm-blooded vertebrates
References in periodicals archive ?
marginale), of order Rickettsiales, family anaplasmataceae.
Bovine anaplasmosis (BA) is caused by obligate intraerythrocytic rickettsia of the order Rickettsiales, family Anaplasmataceae, genus Anaplasma (Dumler et al, 2001) characterized by fever, weight loss, decreased milk production, pale mucous membranes, severe anaemia, jaundice, brownish urine, hyper-excitability abortion and mortality without hemoglobinemia and hemoglobinuria during acute phase of the infection (Richey and Palmer, 1990).
The genus Rickettsia includes bacteria of the order rickettsiales in the alpha subdivision of the class Proteobacteria.