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Any of various gram-negative, spirochete bacteria of the genus Leptospira that are either free-living or parasitic, including the causative agent of leptospirosis.

[New Latin Leptospīra, genus name; see leptospirosis.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Microbiology) any of various spirochaete bacteria which cause leptospirosis
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Isolation of a leptospire belonging to the serogroup Tarassovi.
Tscheliessnigg, "Veno-arterial extracorporeal membrane oxygenation in acute respiratory distress syndrome caused by leptospire sepsis," Anesthesia & Analgesia, vol.
The MAT was performed with a panel of live leptospire reference cultures obtained from the Royal Tropical Institute (World Health Organization/Food and Agriculture Organization of the United Nations Collaborating Centre for Reference and Research on Leptospirosis) in Amsterdam (Australis, Autumnalis, Bataviae, Canicola, Celledoni, Grippotyposa, Icterohaemorrhagiae, Javanica, Pomona, Pyrogenes, Hardjoprajitno, Patoc, Tarassovi and Djasiman) and from the IMR (Melaka, Terengganu, Sarawak, Lai, Hardjobovis and Copenhagani).
So, in the present study, an IgM-Dot ELISA in a strip form for the detection of leptospire specific IgM antibodies has been standardized and evaluated.
Leptospire species determination was successful for 85 (83%) patients and corresponded to 1 of the following 6 pathogenic species: L.
MAT uses whole leptospire as antigen and detects both lg M and lg G antibodies.
It is included in a group of proteins that has not yet been described in the leptospire OMP family, and its function is still undetermined (CULLEN et al.
All patients had blood samples collected at the hospital for leptospire culture and serologic testing; convalescent-phase serum samples were obtained during follow-up for 509 (73%) patients.
Given the importance of these agents in swine reproduction, the goal of this study was to investigate whether PCV2, PPV, and leptospires were involved in the increasing numbers of fetal mummification in the pig farms of Southern Brazil.