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Cafeteria roenbergensis

ABSTRACT: Cafeteria roenbergensis overview

PROVIDER: PRJNA387497 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
		Other
	DRR049554_1.fastq.gz	Fastqsanger.gz
	DRR049554_2.fastq.gz	Fastqsanger.gz
	SRR9724620_subreads.fastq.gz	Fastqsanger.gz
	SRR9724621_1.fastq.gz	Fastqsanger.gz

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Gene expression based analysis of CroV infection of Cafeteria roenbergensis

2010-07-18 | GSE19051 | GEO

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Project description:Transcriptome of Cafeteria roenbergensis

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Gene expression based analysis of CroV infection of Cafeteria roenbergensis

Project description:In this study, total RNA was extracted from cultures of Cafeteria infected with the Cafeteria roenbergensis virus BV-PW1 (CroV) and hybridised to a CroV microarray in order to determine the temporal expression profile during infection. A straightforward measure of whether each spot was on or off was determined as the infection progressed starting at 0 h post infection (control), then 1, 2, 3, 6, 12, 24, 48 and 72 h pi. Oligonucleotides 50-70 bp in length were designed for 452 predicted CroV ORFs and printed onto amino silane treated glass slides.

2010-07-18 | E-GEOD-19051 | biostudies-arrayexpress

Cafeteria roenbergensis isolate:ATCC 50561

Project description:Cafeteria roenbergensis isolate:ATCC 50561 Raw sequence reads

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Virion proteome of Cafeteria roenbergensis virus strain BV-PW1

Project description:This project describes the protein composition of the Cafeteria roenbergensis virus (CroV, strain BV-PW1: TaxID 693272) particle, a giant marine DNA virus that infects the heterotrophic nanoflagellate microeukaryote C. roenbergensis. CroV is a member of the Nucleo-Cytoplasmic Large DNA Virus clade and related to Acanthamoeba polyphaga mimivirus. CroV possesses a DNA genome of ~730 kilobase pairs that encodes 544 predicted proteins. We analyzed the protein composition of purified CroV particles by liquid chromatography - tandem mass spectrometry (LC-MS/MS) and identified 141 virion-associated CroV proteins. Predicted functions could be assigned to 37% of these proteins, which include structural proteins as well as enzymes for transcription, DNA repair, redox reactions and protein modification. Homologs of 36 CroV virion proteins have previously been found in the virion of Acanthamoeba polyphaga mimivirus. This study shows that giant DNA virus particles contain more than one hundred viral proteins that include specific enzymatic functions.

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Gene expression based analysis of CroV infection of Cafeteria roenbergensis

Project description:Gene expression based analysis of CroV infection of Cafeteria roenbergensis

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Quantitative Infection Dynamics of Cafeteria Roenbergensis Virus.

Project description:The discovery of giant viruses in unicellular eukaryotic hosts has raised new questions on the nature of viral life. Although many steps in the infection cycle of giant viruses have been identified, the quantitative life history traits associated with giant virus infection remain unknown or poorly constrained. In this study, we provide the first estimates of quantitative infection traits of a giant virus by tracking the infection dynamics of the bacterivorous protist Cafeteria roenbergensis and its lytic virus CroV. Leveraging mathematical models of infection, we quantitatively estimate the adsorption rate, onset of DNA replication, latency time, and burst size from time-series data. Additionally, by modulating the initial ratio of viruses to hosts, we also provide evidence of a potential MOI-dependence on adsorption and burst size. Our work provides a baseline characterization of giant virus infection dynamics relevant to ongoing efforts to understand the ecological role of giant viruses.

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