NDLI: A shared antigen among Babesia species: ribosomal phosphoprotein P0 as a universal babesial vaccine candidate

Content Provider	Springer Nature Link
Author	Terkawi, M. Alaa Jia, Honglin Gabriel, Aboge Goo, Youn Kyoung Nishikawa, Yoshifumi Yokoyama, Naoaki Igarashi, Ikuo Fujisaki, Kozo Xuan, Xuenan
Copyright Year	2007
Abstract	Babesia gibsoni ribosomal phosphoprotein P0 (BgP0) was previously identified as a cross-protective antigen against Babesia microti infection in mice. Interestingly, the same protein showed considerable antigenicity when tested with serum samples collected from Babesia-infected animals. Moreover, the polyclonal antibody raised against the recombinant BgP0 (rBgP0) recognized the P0 homologues from other Babesia species either by immunoblotting or by immunoscreening. The P0 genes from Babesia caballi, Babesia equi, and Babesia bigemina were then cloned and sequenced. The phylogenic analyses based on the amino acid sequences indicated that BgP0 has high identities with B. caballi P0 (88.1%), B. bigemina P0 (85.6%), Babesia bovis P0 (81.4%), and B. equi P0 (64.9%). Western blot analyses revealed that the corresponding native proteins ranged between 31 and 34 kDa, consistent with predicated molecular weight of Babesia P0. Furthermore, the immunogenic property of anti-rBgP0 IgG was evaluated against a B. bovis in vitro culture. The growth of B. bovis parasites was restricted by anti-rBgP0 IgG in a concentration-dependent manner, and significant reductions in parasitemia were observed only at 1 mg/ml in the culture. Taken together, these data suggest that P0 is a conserved protective antigen among Babesia species and might be a potentially universal vaccine candidate for babesiosis.
Starting Page	35
Ending Page	40
Page Count	6
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	102
Issue Number	1
e-ISSN	14321955
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-09-06
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Immunology Microbiology Medical Microbiology
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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