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Protein characterization of Babesia equi piroplasms isolated from infected horse erythrocytes. 1993

S Ali, and C Sugimoto, and M Matsuda, and T Sugiura, and T Kanemaru, and M Onuma, and M Kamada
Faculty of Veterinary Medicine, Hokkaido University, Japan.

Proteins of Babesia equi piroplasms were characterized. The piroplasms of B. equi were purified by lysis of infected horse erythrocytes with N2 gas cavitation followed by separation in Percoll density-gradient centrifugation. The relative molecular weights (Mr) of major proteins separated by two-dimensional sodium dodecyl sulfate-polyacrylamide gel electrophoresis were 18, 28, 30, 41, 43, 54, 66.5, and 96 kDa. Immunoblot analysis using serum from an experimentally infected horse revealed six immunodominant proteins of 15, 18, 28, 30, 41, and 96 kDa. Two immunodominant proteins of 18 and 28 kDa were membrane-bound proteins as revealed by Triton X-114 phase partitioning.

UI MeSH Term Description Entries
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D006736 Horses Large, hoofed mammals of the family EQUIDAE. Horses are active day and night with most of the day spent seeking and consuming food. Feeding peaks occur in the early morning and late afternoon, and there are several daily periods of rest. Equus caballus,Equus przewalskii,Horse, Domestic,Domestic Horse,Domestic Horses,Horse,Horses, Domestic
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000913 Antibodies, Protozoan Immunoglobulins produced in a response to PROTOZOAN ANTIGENS. Protozoan Antibodies
D000953 Antigens, Protozoan Any part or derivative of any protozoan that elicits immunity; malaria (Plasmodium) and trypanosome antigens are presently the most frequently encountered. Protozoan Antigens
D001403 Babesia A genus of tick-borne protozoan parasites that infests the red blood cells of mammals, including humans. There are many recognized species, and the distribution is world-wide. Piroplasma,Babesias,Piroplasmas
D001404 Babesiosis A group of tick-borne diseases of mammals including ZOONOSES in humans. They are caused by protozoa of the genus BABESIA, which parasitize erythrocytes, producing hemolysis. In the U.S., the organism's natural host is mice and transmission is by the deer tick IXODES SCAPULARIS. Babesiasis,Piroplasmosis,Babesia Infection,Babesia Parasite Infection,Human Babesiosis,Babesia Infections,Babesia Parasite Infections,Babesiases,Babesioses,Babesioses, Human,Babesiosis, Human,Human Babesioses,Infection, Babesia,Infection, Babesia Parasite,Infections, Babesia,Infections, Babesia Parasite,Piroplasmoses
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings
D015180 Electrophoresis, Gel, Two-Dimensional Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separate components resulting from the first electrophoresis. This technique is usually performed on polyacrylamide gels. Gel Electrophoresis, Two-Dimensional,Polyacrylamide Gel Electrophoresis, Two-Dimensional,2-D Gel Electrophoresis,2-D Polyacrylamide Gel Electrophoresis,2D Gel Electrophoresis,2D PAGE,2D Polyacrylamide Gel Electrophoresis,Electrophoresis, Gel, 2-D,Electrophoresis, Gel, 2D,Electrophoresis, Gel, Two Dimensional,Polyacrylamide Gel Electrophoresis, 2-D,Polyacrylamide Gel Electrophoresis, 2D,Two Dimensional Gel Electrophoresis,2 D Gel Electrophoresis,2 D Polyacrylamide Gel Electrophoresis,Electrophoresis, 2-D Gel,Electrophoresis, 2D Gel,Electrophoresis, Two-Dimensional Gel,Gel Electrophoresis, 2-D,Gel Electrophoresis, 2D,Gel Electrophoresis, Two Dimensional,PAGE, 2D,Polyacrylamide Gel Electrophoresis, 2 D,Polyacrylamide Gel Electrophoresis, Two Dimensional,Two-Dimensional Gel Electrophoresis
D016056 Immunodominant Epitopes Subunits of the antigenic determinant that are most easily recognized by the immune system and thus most influence the specificity of the induced antibody. Antigenic Determinants, Immunodominant,Antigens, Immunodominant,Epitopes, Immunodominant,Immunodominant Determinant,Immunodominant Domain,Immunodominant Epitope,Immunodominant Region,Immunodominant Site,Immunodominant Determinants,Immunodominant Domains,Immunodominant Regions,Immunodominant Sites,Determinant, Immunodominant,Determinants, Immunodominant,Determinants, Immunodominant Antigenic,Domain, Immunodominant,Domains, Immunodominant,Epitope, Immunodominant,Immunodominant Antigenic Determinants,Immunodominant Antigens,Region, Immunodominant,Regions, Immunodominant,Site, Immunodominant,Sites, Immunodominant

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