NDLI: Complete genome sequence of Courdo11 virus, a member of the family Mimiviridae

Content Provider	Springer Nature Link
Author	Yoosuf, Niyaz Pagnier, Isabelle Fourus, Ghislain Robert, Catherine La Scola, Bernard Raoult, Didier Colson, Philippe
Copyright Year	2013
Abstract	Giant viruses of amoebae were discovered 10 years ago and led to the description of two new viral families: Mimiviridae and Marseilleviridae. These viruses exhibit remarkable features, including large capsids and genomes that are similar in size to those of small bacteria and their large genetic repertoires include genes that are unique among viruses. The family Mimiviridae has grown during the past decade since the discovery of its initial member, Mimivirus, and continues to expand. Here, we describe the genome of a new giant virus that infects Acanthamoeba spp., Courdo11 virus, isolated in 2010 by inoculating Acanthamoeba spp. with freshwater collected from a river in southeastern France. The Courdo11 virus genome is a double stranded DNA molecule composed of 1,245,674 nucleotides. The comparative analyses of Courdo11 virus with the genomes of other giant viruses showed that it belongs to lineage C of mimiviruses of amoebae, being most closely related to Megavirus chilensis and LBA 111, the first mimivirus isolated from a human. Major characteristics of the M. chilensis genome were identified in the Courdo11 virus genome, found to encode three more tRNAs. Genomic architecture comparisons mirrored previous findings that showed conservation of collinear regions in the middle part of the genome and diversity towards the extremities. Finally, fourteen ORFans were identified in the Courdo11 virus genome, suggesting that the pan-genome of mimiviruses of amoeba might reach a plateau.
Starting Page	218
Ending Page	223
Page Count	6
File Format	PDF
ISSN	09208569
Journal	Virus Genes
Volume Number	48
Issue Number	2
e-ISSN	1572994X
Language	English
Publisher	Springer US
Publisher Date	2013-12-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Courdo11 virus Mimivirus Mimiviridae Giant virus Megavirales Nucleocytoplasmic large DNA viruses Amoeba Medical Microbiology Virology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Virology Genetics Medicine Molecular Biology

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