Chapter

Viruses

Nicholas P. Money

in Microbiology: A Very Short Introduction

Published in print December 2014 | ISBN: 9780199681686
Published online December 2014 | e-ISBN: 9780191781605 | DOI: https://dx.doi.org/10.1093/actrade/9780199681686.003.0004

Series: Very Short Introductions

Viruses

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‘Viruses’ explains that millions of people die from interacting with viruses every year, but beyond the effects of viruses on human health, the lives of all organisms and the cycling of nutrients through the biosphere depend upon the activities of viruses. Viruses control populations of bacteria, archaea, and eukaryotes and this destructive power liberates massive quantities of nutrients in aquatic and terrestrial ecosystems. Viruses are organized into seven groups based upon the type of genome and its mechanism of replication. Viral genomes are encoded in single-stranded and double-stranded DNA and RNA molecules. The expression of viral genes occurs within infected cells utilizing the molecular machinery of the host.

Keywords: algae; Escherichia coli; fever; herpesvirus; Edward Jenner; Louis Pasteur; plaque; shotgun sequencing; tobacco mosaic; virus

Chapter.  4223 words.  Illustrated.

Subjects: Biological Sciences ; Microbiology

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