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Transcriptome analysis of Schistosoma mansoni larval development using serial analysis of gene expression (SAGE)

Published online by Cambridge University Press:  05 March 2009

A. S. TAFT ,
J. J. VERMEIRE ,
J. BERNIER ,
S. R. BIRKELAND ,
M. J. CIPRIANO ,
A. R. PAPA ,
A. G. McARTHUR  and
T. P. YOSHINO
A. S. TAFT
Affiliation:
Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2115 Observatory Drive, Madison, WI, USA
J. J. VERMEIRE
Affiliation:
Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2115 Observatory Drive, Madison, WI, USA Current address: Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA.
J. BERNIER
Affiliation:
Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA
S. R. BIRKELAND
Affiliation:
Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA
M. J. CIPRIANO
Affiliation:
Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA
A. R. PAPA
Affiliation:
Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA
A. G. McARTHUR
Affiliation:
Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA
T. P. YOSHINO*
Affiliation:
Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2115 Observatory Drive, Madison, WI, USA
*
*Corresponding author: Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2115 Observatory Drive, Madison, WI, 53726, USA. Tel: +608 263 6002. Fax: +608 265 8122. E_mail: [email protected]
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Summary

Infection of the snail, Biomphalaria glabrata, by the free-swimming miracidial stage of the human blood fluke, Schistosoma mansoni, and its subsequent development to the parasitic sporocyst stage is critical to establishment of viable infections and continued human transmission. We performed a genome-wide expression analysis of the S. mansoni miracidia and developing sporocyst using Long Serial Analysis of Gene Expression (LongSAGE). Five cDNA libraries were constructed from miracidia and in vitro cultured 6- and 20-day-old sporocysts maintained in sporocyst medium (SM) or in SM conditioned by previous cultivation with cells of the B. glabrata embryonic (Bge) cell line. We generated 21 440 SAGE tags and mapped 13 381 to the S. mansoni gene predictions (v4.0e) either by estimating theoretical 3′ UTR lengths or using existing 3′ EST sequence data. Overall, 432 transcripts were found to be differentially expressed amongst all 5 libraries. In total, 172 tags were differentially expressed between miracidia and 6-day conditioned sporocysts and 152 were differentially expressed between miracidia and 6-day unconditioned sporocysts. In addition, 53 and 45 tags, respectively, were differentially expressed in 6-day and 20-day cultured sporocysts, due to the effects of exposure to Bge cell-conditioned medium.

Keywords

Schistosoma mansoniBiomphalaria glabrataSAGEmiracidiasporocystdevelopment
Type
Research Article
Information
Parasitology , Volume 136 , Issue 5 , April 2009 , pp. 469 - 485
Copyright
Copyright © 2009 Cambridge University Press

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