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Microbiology

School of Biological Sciences: Dissertations, Theses, and Student Research

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2009

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Full-Text Articles in Life Sciences

Transcription Analysis Of The Chlorovirus Paramecium Bursaria Chlorella Virus-1, Giane M. Yanai Dec 2009

Transcription Analysis Of The Chlorovirus Paramecium Bursaria Chlorella Virus-1, Giane M. Yanai

School of Biological Sciences: Dissertations, Theses, and Student Research

Paramecium bursaria chlorella virus (PBCV-1), a member of the family Phycodnaviridae, is a large dsDNA, plaque-forming virus that infects the unicellular green alga Chlorella NC64A. The 331 kb PBCV-1 genome is predicted to encode 365 proteins and 11 tRNAs. To follow global transcription during PBCV-1 replication, a microarray containing 50-mer probes to the PBCV-1 365 protein-encoding genes (CDS) was constructed. Competitive hybridization experiments were conducted employing cDNAs from poly A-containing RNAs obtained from cells at seven time points after virus infection. The results led to the following conclusions: i) the PBCV-1 replication cycle is temporally programmed and regulated; ii) 360 …