A genus of question mark-shaped bacteria spirochetes which is found in fresh water that is contaminated by animal urine. It causes LEPTOSPIROSIS.

A genus of aerobic, helical spirochetes, some species of which are pathogenic, others free-living or saprophytic.

Infections with bacteria of the genus LEPTOSPIRA.

A severe form of LEPTOSPIROSIS, usually caused by LEPTOSPIRA INTERROGANS SEROVAR ICTEROHAEMORRHAGIAE and occasionally other serovars. It is transmitted to humans by the rat and is characterized by hemorrhagic and renal symptoms with accompanying JAUNDICE.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary host is RATS.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose natural host is DOGS where disease is characterized by GASTROENTERITIS, and INTERSTITIAL NEPHRITIS.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary hosts include CATTLE and SWINE.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, characteristically associated with a severe zoonotic disease in humans.

Tests that are dependent on the clumping of cells, microorganisms, or particles when mixed with specific antiserum. (From Stedman, 26th ed)

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose frequent host is CATTLE.

A genus of the family Muridae having three species. The present domesticated strains were developed from individuals brought from Syria. They are widely used in biomedical research.

Immunoglobulins produced in a response to BACTERIAL ANTIGENS.

Process of determining and distinguishing species of bacteria or viruses based on antigens they share.

Substances elaborated by bacteria that have antigenic activity.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary host is the MOUSE.

Deoxyribonucleic acid that makes up the genetic material of bacteria.

Premature expulsion of the FETUS in animals.

Suspensions of attenuated or killed bacteria administered for the prevention or treatment of infectious bacterial disease.

A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS.

Proteins found in any species of bacterium.

Proteins isolated from the outer membrane of Gram-negative bacteria.

Diseases of domestic cattle of the genus Bos. It includes diseases of cows, yaks, and zebus.

Diseases of domestic and wild horses of the species Equus caballus.

Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.

Diseases of rodents of the order RODENTIA. This term includes diseases of Sciuridae (squirrels), Geomyidae (gophers), Heteromyidae (pouched mice), Castoridae (beavers), Cricetidae (rats and mice), Muridae (Old World rats and mice), Erethizontidae (porcupines), and Caviidae (guinea pigs).