A Microbial Biorealm page on the genus Haemophilus somnus
Higher order taxa
Haemophilus somnus is a bacteria under the phylum proteobacteria. It is of the class, Gammaproteobacteria, in the order Pasteurellales, which typically live on the mucosal surface of birds and mammals, most notably in the upper respiratory tract. They are also of the family Pasteurellaceae. genus Histophilus
Use NCBI link to find]
species somnus Lineage Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales; Pasteurellaceae; Histophilus
Description and significance
Describe the appearance, habitat, etc. of the organism, and why it is important enough to have its genome sequenced. Describe how and where it was isolated. Include a picture or two (with sources) if you can find them.
Their genome (seq: RS: NC_008309) consists of a circular chromosome containing 2007700 base pairs and a plasmid(pHS129) is approximately 5178 bp in length. It is made up of roughly 34% GC content and 66% AT and contains genes coding for approximately 1798 different proteins and 65 RNA genes.
Cell structure and metabolism
Describe any interesting features and/or cell structures; how it gains energy; what important molecules it produces.
Haemophilus somnus is a rod-shaped, gram negative bacteria. It is a facultative pathogen that has LOS is its major outer membrane component. It also contains bacterial transferrin receptors, which is a structure that contributes to its virulence (typically in cattle). Haemophilus has no flagella and is catalase negative.
Describe any interactions with other organisms (included eukaryotes), contributions to the environment, effect on environment, etc.
How does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms.
Application to Biotechnology
Does this organism produce any useful compounds or enzymes? What are they and how are they used?
Enter summaries of the most recent research here--at least three required
[Sample reference] Takai, K., Sugai, A., Itoh, T., and Horikoshi, K. "Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney". International Journal of Systematic and Evolutionary Microbiology. 2000. Volume 50. p. 489-500.
Edited by student of Rachel Larsen and Kit Pogliano