Chlamydia pneumoniae is a obligate intracellular bacterium. It is a pathogen of humans, causing pneumonia and bronchitis. The full genome sequence for C. pneumoniae was completed in 1999. Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus_Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... Orders / Genera Chlamydiales / Chlamidia Verrucomicrobiales / Verrucomicrobium Chlamydiae is a phylum of the bacteria kingdom. ... In biology, binomial nomenclature is a standard convention used for naming species. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus_Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... A pathogen (literally birth of pain from the Greek παθογένεια) is a biological agent that can cause disease to its host. ... Pneumonia (the ancient Greek word for lungs) is defined as an infection involving the alveoli of the lungs. ... Bronchitis is an inflammation of the bronchi of the lungs, that causes the cilia of the bronchial epithelial cells to stop functioning. ... Genome is also a popular science book by Matt Ridley. ... 1999 is a common year starting on Friday of the Common Era, and was designated the International Year of Older Persons by the United Nations. ...

There is evidence associating C. pneumoniae with atherosclerosis and with asthma. Atherosclerosis is a disease of arterial blood vessels. ... Asthma is an immunological disease which causes difficulty in breathing. ...

C. pheumoniae is transmitted between humans in respiratory secretions.

References

• Kalman, S et al. 1999. Comparative genomes of Chlamydia pneumoniae and C. trachomatis. Nature Genetics 21:385-389 PMID 10192388
• O'Connor S, et al. Potential Infectious Etiologies of Atherosclerosis: A Multifactorial Perspective (http://www.cdc.gov/ncidod/eid/vol7no5/oconnor.htm). Emerging Infectious Diseases, Vol 7, Sept-Oct 2001
• Hahn DL, Dodge RW, Golubjatnikov R. Association of Chlamydia pneumoniae (TWAR) infection with wheezing, asthmatic bronchitis and adult-onset asthma. JAMA 1991,266:225-30.