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Phylum Spirochaetes
Class Genus Species Related Diseases
Spirochaetia Borrelia burgdorferi Lyme disease
Borrelia hermsii Tick-borne relapsing fever
Borrelia recurrentis Louse-borne relapsing fever
Leptospira interrogans Leptospirosis
Treponema pallidum Syphilis, bejel, pinta, yaws
Phylum Tenericutes
Class Genus Species Related Diseases
Mollicutes Mycoplasma genitalium Urethritis, cervicitis
Mycoplasma hominis Pelvic inflammatory disease, bacterial vaginosis
Mycoplasma pneumoniae Mycoplasma pneumonia
Ureaplasma urealyticum Urethritis, fetal infections

Viral pathogens

There are several classification systems for viruses. The International Committee on Taxonomy of Viruses (ICTV) is the international scientific body responsible for the rules of viral classification. The ICTV system used here groups viruses based on genetic similarity and presumed monophyly. The viral classification system is separate from the classification system for cellular organisms. The ICTV system groups viruses within seven orders, which contain related families. There is, presently, a large number of unassigned families with unknown affinities to the seven orders. Three of these orders infect only Eubacteria, Archaea, or plants and do not appear in this table. Some families may be divided into subfamilies. There are also many unassigned genera. Like all taxonomies, viral taxonomy is in constant flux. The latest complete species list and classification can be obtained on the ICTV website. International Committee on Taxonomy of Viruses. “ICTV Master Species List.” http://talk.ictvonline.org/files/ictv_documents/m/msl/default.aspx

A table titled “Viral Pathogens” gives information on order, family, subfamily, genus, species, and related diseases. For order Herpesvirales, family herpesviridae, subfamily betaherpesvirinae, genus human cytomegalovirus group, species human herpesvirus 5, the related disease is Cytomegalovirus hepatitis and other infections in immunocompromised people. For order herpesvirales, family herpesviridae, subfamily gammaherpesvirinae, genus lymphocryptovirus, species human herpesvirus 4(HHV-4; Epstein-Barr virus), the related disease is infectious mononucleosis. For order Herpesvirales, family herpesviridae, subfamily alphaherpesvirinae, genus simplexvirus, species human herpesvirus 1, human herpesvirus 2, the related diseases are herpes simplex virus 1, herpes simplex virus 2. For order herpesvirales, family herpesviridae, subfamily alphaherpesvirinae, genus varicellovirus, species human herpesvirus 3, the related diseases chickenpox, shingles. For order mononegavirales, family filoviridae, subfamily alphaherpesvirinae, genus ebolavirus, species zaire ebolavirus (EBOV), the related disease is Ebola. For order mononegavirales, family filoviridae, genus marburgvirus, species Marburg marburgvirus (MARV), the related disease is Marburg virus disease. For order mononegavirales, family rhabdoviridae, genus lyssavirus, species rabies virus, the related disease is Rabies. For order mononegavirales, family paramyxoviridae, subfamily pneumovirinae, genus pneumovirus, species human respiratory syncytial virus, the related disease is lower respiratory tract infection. For order mononegavirales, family paramyxoviridae, subfamily paramyxovirinae, genus morbillivirus, species measles virus, the related disease is measles (rubeola). For order Nidovirales, family coronaviridae, subfamily coronavirinae, genus coronavirus, the related diseases are common cold, pneumonia, SARS. For order picornavirales, family picornaviridae, genus hepatovirus, species hepatitis A virus, the related disease is hepatitis A. For order picornavirales, family picornaviridae, genus enterovirus, species enterovirus C, the related disease is polio. For order picornavirales, family picornaviridae, genus enterovirus, species rhinovirus A, the related disease is common cold. For order picornavirales, family picornaviridae, genus enterovirus, species rhinovirus B, the related disease is common cold. For order picornavirales, family picornaviridae, genus enterovirus, species rhinovirus C, the related disease is common cold. The remaining entries in this table are unassigned in the order category. In the family adenovirus, genus mastadenovirus, the related diseases are respiratory and other infections. In the family arenaviridae, genus mammarenavirus, species lassa mammarenavirus, the related disease is Lassa fever. For the family astroviridae, the related disease is gastroenteritis. For the family bunyaviridae, genus hantavirus, species several species, the related diseases are hantavirus hemorrhagic fever with renal syndrome (HFRS), hantavirus pulmonary syndrome (HPS). For family Bunyaviridae, genus nairovirus, species Crimean-congo hemorrhagic fever virus (CCHF), the related disease is Crimean-Congo hemorrhagic fever. For the family caliciviridae, genus norovirus, species Norwalk virus, the related disease is gastroenteritis.
A table titled “Viral Pathogens (continued)” gives information on order, family, subfamily, genus, species, and related diseases.All entries in this table are unassigned in the order category. For the family flaviviriadae, genus flavivirus, species dengue virus, the related disease is dengue fever. For the family flaviviriadae, genus flavivirus, species Yellow fever virus, the related disease is yellow fever. In the family flaviviriadae, genus hepacivirus, species hepatitis c virus, the related disease is hepatitis C. For the family hepadnaviridae, genus orthohepadnavirus, species hepatitis B virus, the related disease is hepatitis B. For the family Hepeviridae, genus orthohepevirus, species hepatitis E virus, the related disease is hepatitis E. For the family orthomyxoviridae, genus influenzavirus A, species influenza virus A, the related disease is pandemic flu. For the family orthomyxoviridae, genus influenzavirus B, species influenza virus B, the related disease is Flu. For the family orthomyxoviridae, genus influenzavirus C, species influenza virus C, the related disease is Flu. For the family papillomaviridae, genus alphapapillomavirus, species human papillomavirus, the related disease is skin warts. For the family parvoviridae, subfamily parvovirinae, genus erythroparvovirus, species human parvovirus B 19, the related disease is fifth disease (erythema infectosum). For the family poxviridae, subfamily chordopoxvirinae, genus orthopoxvirus, species variola virus, the related diseases are variola major, variola minor (smallpox). For the family poxviridae, subfamily chordopoxvirinae, genus orthopoxvirus, species vaccinia virus, the related disease is cowpox. For the family reoviridae, subfamily sedoreovirinae, genus rotavirus, species eight species, the related disease is gastroenteritis. For the family retroviridae, subfamily orthoretrovirinae, genus lentivirus, species human immunodeficiency virus, the related disease is AIDS. For the family togaviridae, genus alphavirus, species chikungunya virus (CHIKV), the related disease is Chikungunya. For the family togaviridae, genus rubivirus, species rubella virus, the related disease is Rubella (German measles). For an unassigned order, genus deltavirus, species hepatitis D virus, the related disease is hepatitis D.

Fungal pathogens

The Fungi are one of the kingdoms of the domain Eukarya. Fungi are most closely related to the animals and a few other small groups and more distantly related to the plants and other groups that formerly were categorized as protist. At present, the Fungi are divided into seven phyla (or divisions, a hold over from when fungi were studied with plants), but there are uncertainties about some relationships. D. S. Hibbett et al. “A Higher-level Phylogenetic Classification of the Fungi.” Mycological Research 111 no. 5 (2007):509–547. Many groups of fungi, particularly those that were formerly classified in the phylum Zygomycota, which was not monophyletic, have uncertain relationships to the other fungi. The one species listed in this table that falls into this category is Rhizopus arrhizus. Fungal names are governed by the International Code of Nomenclature for Algae, Fungi, and Plants, J. McNeill et al. International Code of Nomenclature for Algae, Fungi, and Plants (Melbourne Code) . Oberreifenerg, Germany. Koeltz Scientific Books; 2012. http://www.iapt-taxon.org/nomen/main.php? but the International Commission on the Taxonomy of Fungi (ICTF) also promotes taxonomic work on fungi. One activity of the ICTF is publicizing name changes for medically and otherwise important fungal species. Many species that formerly had two names (one for the sexual form and one for the asexual form) are now being brought together under one name.

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Source:  OpenStax, Microbiology. OpenStax CNX. Nov 01, 2016 Download for free at http://cnx.org/content/col12087/1.4
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