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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 ...
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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.
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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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 ...
In E. coli, the TolQRA acts to translocate the Ff phage into the periplasmic space, where a possible membrane fusion event leads to the insertion of the Ff genome into the E. coli cytoplasm. A similar mechanism is suspected in the injection of the CTXφ genetic material into the V. cholerae cell, though further research is needed to confirm this.