ArticleParasitology research2011
Gene expression during excystation of Cryptosporidium parvum oocysts.
Article in Parasitology research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed, 8 citations in OpenAlex.
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Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study describes transcription of mRNA from genes encoding metabolic or structural proteins during excystation of Cryptosporidium parvum oocysts. RNA was harvested from C. parvum oocysts before excystation, and at 5, 10, and 15 min during excystation. Subtractive cDNA libraries were prepared by using mRNA from non-excysted C. parvum oocysts to "subtract out" mRNA from excysting oocysts. The "subtracted" cDNA was used to prepare libraries enriched for transcripts possibly involved in excystation. From these libraries, over 1,000 expressed sequence tags (ESTs) were analyzed by DNA sequencing followed by BLAST-N and BLAST-X analysis. While several gene products involved in cell metabolism and cell signaling were consistently recovered, transcription levels, as reflected by the relative number of cDNA sequences (19.2% total), were highly up-regulated in genes coding for structural proteins such as Cp2, CpTSP, CpHC10, and CpSAg. Moreover, of the greater than 1,000 clones analyzed, a high percentage (12.3%) of ESTs detected in excysting oocysts were for hypothetical C. parvum proteins (CpHyP), whose functions are presently unknown.
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Registered trials
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