Sequence and Annotation of the 288-kb ATCV-1 Virus That Infects an Endosymbiotic Chlorella Strain of the Heliozoon Acanthocystis Turfacea

Overview

Journal Virology

Specialty Microbiology

Date 2007 Feb 6

PMID 17276475

Citations 34

Authors

Lisa A Fitzgerald

Michael V Graves

Xiao Li

James Hartigan

Artur J P Pfitzner

Ella Hoffart

James L Van Etten

Affiliations

Soon will be listed here.

Abstract

Acanthocystis turfacea chlorella virus (ATCV-1), a prospective member of the family Phycodnaviridae, genus Chlorovirus, infects a unicellular, eukaryotic, chlorella-like green alga, Chlorella SAG 3.83, that is a symbiont in the heliozoon A. turfacea. The 288,047-bp ATCV-1 genome is the first virus to be sequenced that infects Chlorella SAG 3.83. ATCV-1 contains 329 putative protein-encoding and 11 tRNA-encoding genes. The protein-encoding genes are almost evenly distributed on both strands and intergenic space is minimal. Thirty-four percent of the viral gene products resemble entries in the public databases, including some that are unexpected for a virus. For example, these unique gene products include ribonucleoside-triphosphate reductase, dTDP-d-glucose 4,6 dehydratase, potassium ion transporter, aquaglyceroporin, and mucin-desulfating sulfatase. Comparison of ATCV-1 protein-encoding genes with the prototype chlorella virus PBCV-1 indicates that about 80% of the ATCV-1 genes are present in PBCV-1.

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