Link to data on genomes of R. prowazekii and mitochondria. Chlamydiae Chlamydiae are also obligate intracellular parasites. Chlamydia trachomatis Its genome contains 1,042,519 bp of DNA encoding 938 genes. It is easily cured if diagnosed, but many infections remain untreated and, in females, are a major cause of pelvic inflammatory disease . This causes scarring of the uterus and fallopian tubes and often results in infertility.
Mothers can pass the infection on to their newborn babies causing serious eye disease and pneumonia.
To avoid this, pregnant women are usually tested for chlamydia and treated with antibiotics if they are infected. Several million people in the desert regions of Asia, Africa, and the Near East have been blinded by trachoma . These two pigments also occur in red algae . Perhaps their chloroplasts evolved from endosymbiotic cyanobacteria. In fact, probably all chloroplasts evolved from endosymbiotic cyanobacteria.