Wednesday, October 27, 2010

Pathogens

View ImagePathogenic viruses are mainly those of the families of: AdenoviridaePicornaviridaeHerpesviridaeHepadnaviridaeFlaviviridaeRetroviridaeOrthomyxoviridaeParamyxoviridaePapovaviridaePolyomavirus,RhabdoviridaeTogaviridae.


















View ImageBacteria are harmless or beneficial, a few pathogenic bacteria can cause infectious diseases.












View Image

Fungi comprise a eukaryotic kingdom of microbes that are usually saprophytes but can cause diseases in humans, animals and plants.





























Protists are a diverse group of eukaryotic microorganisms.








No comments:

Post a Comment