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Trichomonas vaginalis from a vaginal swab. This is a heavy infection; there were probably thousands of trichomonads in the vagina. Alfred Francois Donné (1801–1878) was the first to describe a procedure to diagnose trichomoniasis through "the microscopic observation of motile protozoa in vaginal or cervical secretions" in 1836.
A single trichomonas by phase contrast microscopy. Most people infected with Trichomonas vaginalis do not have any symptoms and it can be undetected for years. [6] Symptoms include pain, burning or itching in the penis, urethra , or vagina . Discomfort for both sexes may increase during intercourse and urination.
Trichomonas vaginalis, being the species that causes the most complications in humans, is the only fully sequenced Trichomonas species. Through whole-genome shotgun sequencing, the Trichomonas vaginalis genome is estimated to be around 160 Mb long, divided into six chromosomes. However, at least 65% of its genome was found to be redundant.
Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription. Protozoan parasite trichomonas vaginalis serve as the natural host. [1]
Trichomonas vaginalis, an organism living inside the vagina of humans; Dientamoeba fragilis, parasitic ameboid in humans; Histomonas meleagridis, parasite that causes blackhead disease in poultry; Mixotricha paradoxa, a symbiotic organism inside termites, host of endosymbionts
Trichomonas vaginalis Can cause a profuse discharge with a fish-like odor, pain upon urination, painful intercourse, and inflammation of the external genitals. elevated (5.0–6.0) Aerobic vaginitis: Burning, stinging and dyspareunia. Non-malodorous yellowish discharge. Symptoms can last for several years. The condition can also be asymptomatic.