Germiston virus Gerv A strain of

Bunyamwera virus in the genus Bunyavirus, belonging to the Bunyamwera serogroup. Isolated from culicine mosquitoes, humans and rodents in S Africa, Zimbabwe, Uganda and Mozambique, where it causes fever in humans. Mosquito-borne. Natural hosts are sheep, goats and cattle.

Table G1. Genome structures of the principal virus families which infect vertebrates

DNA/RNA Virus family

Nucleic acid dsDNA

ssDNA

dsRNA

ssRNA

Adenoviridae

Hepadnaviridae

Herpesviridae

Iridoviridae

Papovaviridae

Poxviridae

Circoviridae Parvoviridae

Birnaviridae Reoviridae

Arenaviridae

Astroviridae

Bunyaviridae

Caliciviridae

Coronaviridae

Filoviridae

Flaviviridae

Nodaviridae

Orthomyxoviridae

Paramyxoviridae

Picornaviridae

Retroviridae

Rhabdoviridae Togaviridae dsDNA, linear with inverted terminal repeats Partially dsDNA and ssDNA circle dsDNA, linear with terminal repeats and inverted internal repeats of the termini dsDNA, linear, circularly permuted and terminally redundant dsDNA, closed circle with supercoiling unless one strand is broken dsDNA, linear with the strands covalently closed at their ends ssDNA, circular ssDNA, linear with repetitions at the ends which facilitate loop formation dsRNA, linear in two segments dsRNA, linear in 10-12 segments ssRNA, linear ambisense strand in 2 segments ssRNA, linear positive strand ssRNA, linear negative or ambisense strand in 3 segments ssRNA, linear positive strand ssRNA, linear positive strand ssRNA linear, unsegmented negative strand ssRNA, linear positive strand ssRNA, linear positive strand ssRNA, linear negative strand in 7 or 8 segments ssRNA, linear unsegmented negative strand ssRNA, linear positive strand ssRNA, linear positive strand diploid consisting of 2 identical haploid molecules, each terminally redundant, and linked near their 5' ends ssRNA, linear unsegmented negative strand ssRNA, linear positive strand ds, Double-stranded; ss, single-stranded.

germ line transmission of viruses

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