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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.
Trichomoniasis (trich) is an infectious disease caused by the parasite Trichomonas vaginalis. [2] About 70% of affected people do not have symptoms when infected. [2] When symptoms occur, they typically begin 5 to 28 days after exposure. [1]
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.
The trichomonads have one group of 4–6 flagella, one of which is attached to the side of the cell and often forms an undulating membrane. Many are found in vertebrate hosts, including Trichomonas vaginalis , which causes a sexually transmitted disease in humans.
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]
Addition of a base to vaginal secretion with the diamines putrescine and cadaverine causes them to become volatile and thereby produce a more intense fishy smell. [37] Loss of acidity. To control bacterial growth, the vagina is normally slightly acidic with a pH of 3.8–4.2. A swab of the discharge is put onto litmus paper to check its acidity ...
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
parabasalid flagellates (e.g. Trichomonas vaginalis, Tritrichomonas foetus, Histomonas meleagridis) preaxostylid flagellates (e.g. Trimastix pyriformis) heterolobosean amoeboflagellates (e.g. Psalteriomonas lanterna) anaerobic ciliates (e.g. Nyctotherus ovalis, Metopus palaeformis, Trimyema compressum, Caenomorpha uniserialis, Dasytricha ...
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