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Orthopoxvirus particles. A DNA virus is a virus that has a genome made of deoxyribonucleic acid (DNA) that is replicated by a DNA polymerase.They can be divided between those that have two strands of DNA in their genome, called double-stranded DNA (dsDNA) viruses, and those that have one strand of DNA in their genome, called single-stranded DNA (ssDNA) viruses. dsDNA viruses primarily belong ...
Tolecusatellitidae is a incertae sedis ssDNA/ssDNA(+) family of biological satellites.The family contains two genera and 131 species. [1] This family of viruses depend on the presence of another virus (helper viruses) to replicate their genomes, as such they have minimal genomes with very low genomic redundancy.
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Centuries later, a circovirus infection that caused balding in birds was observed in Australia in 1888, which marked the first reference to ssDNA viruses in modern times. The first animal CRESS-DNA virus to be characterized was the porcine circovirus in 1974, and in 1977, the first genome of an ssDNA virus, the Bean golden mosaic virus, was ...
ΦX174 is regularly used as a positive control in DNA sequencing due to its relatively small genome size in comparison to other organisms, its relatively balanced nucleotide content — about 23% G, 22% C, 24% A, and 31% T, i.e., 45% G+C and 55% A+T, see the accession NC_001422.1 [10] for its 5,386 nucleotide long sequence.
The names of realms consist of a descriptive first part and the suffix -viria, which is the suffix used for virus realms. [1] The first part of Duplodnaviria means "double DNA", referring to dsDNA viruses, [2] the first part of Monodnaviria means "single DNA", referring to ssDNA viruses, [3] the first part of Riboviria is taken from ribonucleic acid (RNA), [4] and the first part of ...
Virosphere (virus diversity, virus world, global virosphere) was coined to refer to all those places in which viruses are found or which are affected by viruses. [1] [2] However, more recently virosphere has also been used to refer to the pool of viruses that occurs in all hosts and all environments, [3] as well as viruses associated with specific types of hosts (prokaryotic virosphere, [4 ...
APBV1 with a genome of about 5 kb, is one of the smallest known dsDNA viruses. Spiravirus Aeropyrum coil-shaped virus has the largest known genome of an ssDNA virus at about 35 kb. [5] [2] Some archaeal viruses, namely viruses of Adnaviria, package their DNA in A-form as a result of an interaction between the MCP and B-form pre-genomic DNA. [3 ...