dcsimg
Description of Trichomonadida
provided by BioPedia
Flagellates generally with three to five anteriorly directed flagella and a recurrent one forming an undulating membrane; in Dientamoeba, basal bodies and flagella are absent; with a parabasal apparatus composed of two parabasal fibres supporting one or two dictyosomes which are sometimes very long and in several Devescovinidae are twisted around the axostyle; the axostyle-pelta complex occupies the central axis of the cell and generally protrudes at the posterior end; however, some genera have a reduced (Histomonas) or no axostyle (Dientamoeba), and in Pentatrichomonoides the axostylar row of microtubules is peripheral; axostyle forms a tube-like trunk which tapers and protrudes posteriorly and has an anterior capitulum, which is spoon-shaped and cups the surface of the nucleus; hydrogenosomes are spherical or bacilliform granules which concentrate around the axostyle and under the costa; division by pleuromitosis where the paradesmose is the major distinguishable structure; with various striated roots attached to the basal bodies, the parabasal fibres are present in all species, and the costa is generally present in genera which have an undulating membrane, i.e. the Trichomonadidae; two types of Undulating membranes; rail-type where the recurrent flagellum adheres to the top of an elevation of the cell surface; and lamellar-type which adheres laterally to a lamellar elevation of the cell surface; a third type of modification of the recurrent flagellum occurs in Devescovinidae, where the cord-like or ribbon-like recurrent flagellum contains a bundle of microfibrils associated with the axoneme, adheres to the cell body surface where it is underlain by a dense fibrous structure named the cresta; length of the cresta and of the adhering portion is variable depending upon the species.
license
cc-by-nc
author
biopedia
provider
BioPedia
original
visit source
partner site
BioPedia
ID
5695924
Trichomonadida
provided by wikipedia EN

Trichomonadida is an order of anaerobic protists, included with the parabasalids. Members of this order are referred to as trichomonads.

Some organisms in this order include:

Anatomy

Species in this order typically have four to six flagella at the cell's apical pole, one of which is recurrent - that is, it runs along a surface wave, giving the aspect of an undulating membrane. Like other parabasalids, they typically have an axostyle, a pelta, a costa, and parabasal bodies. In Histomonas only one flagellum and a reduced axostyle are found, and in Dientamoeba, both are absent.

Behavior

Most species are either parasites or other endosymbionts of animals.

Trichomonads reproduce by a special form of longitudinal fission, leading to large numbers of trophozoites in a relatively short time. Cysts never form, so transmission from one host to another is always based on direct contact between the sites they occupy.

Treatment

The preferred treatment for trichomonad infection is Metronidazole.[1]

Further reading

  • Kamaruddin, Mudyawati; Tokoro, Masaharu; Rahman, Md. Moshiur; Arayama, Shunsuke; Hidayati, Anggi P.N.; Syafruddin, Din; Asih, Puji B.S.; Yoshikawa, Hisao; Kawahara, Ei (2014). "Molecular Characterization of Various Trichomonad Species Isolated from Humans and Related Mammals in Indonesia". The Korean Journal of Parasitology. 52 (5): 471–478. doi:10.3347/kjp.2014.52.5.471..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}

References

  1. ^ PreTest Pharmacology (14 ed.). p. 221.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN
ID
5733d109fe7ceca64911b418fa08e1e9
Trichomonadida: Brief Summary
provided by wikipedia EN

Trichomonadida is an order of anaerobic protists, included with the parabasalids. Members of this order are referred to as trichomonads.

Some organisms in this order include:

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
license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN
ID
17afff4bbcd2d605fd54d3762c3fdef6