Existence of host DNA sequences in schistosomes—horizontal and vertical transmission

The localization of repetitive DNA sequences in the mouse genome such as mouse type 2 Alu sequence (B2) and mouse retrovirus-related sequences was shown in the body of adult Schistosoma japonicum and Schistosoma mansoni by applying an in situ PCR and hybridization technique. Using the same method, m...

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Bibliographic Details
Published in:Parasitology International 2003-12, Vol.52 (4), p.369-373
Main Authors: Imase, Atsuko, Matsuda, Hajime, Irie, Yuji, Iwamura, Yukio
Format: Article
Language:English
Subjects:
Animals
Class I
Disease Transmission, Infectious
DNA, Viral - isolation & purification
Host-Parasite Interactions
In situ PCR
Infectious Disease Transmission, Vertical
MHC
Mice
Mouse type A retrovirus
Mouse type C retrovirus
Polymerase Chain Reaction
Retroviridae
Schistosoma japonicum
Schistosoma mansoni
Schistosomiasis - transmission
Schistosomiasis japonica - genetics
Schistosomiasis japonica - transmission
Schistosomiasis mansoni - genetics
Schistosomiasis mansoni - transmission
Type 2 Alu sequence (B2)
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Summary:The localization of repetitive DNA sequences in the mouse genome such as mouse type 2 Alu sequence (B2) and mouse retrovirus-related sequences was shown in the body of adult Schistosoma japonicum and Schistosoma mansoni by applying an in situ PCR and hybridization technique. Using the same method, mouse major histocompatibility complex (MHC) class I sequence was also found in schistosomes. Furthermore, mouse MHC class I sequence and type A retroviral sequence were detected in S. japonicum and S. mansoni cercarial DNA by blot hybridization. These findings indicated that horizontal and vertical transmission of host DNA sequences occurred in schistosomes. The incorporation and propagation of host sequences in schistosomes and the roles played by such host sequences form the focus of this brief review.
ISSN:1383-5769
1873-0329
DOI:10.1016/S1383-5769(03)00053-9