Promastigote - an overview | ScienceDirect Topics
网页The promastigote (insect) stages of Leishmania have a characteristic fusiform shape that is maintained by a sheath of highly cross-linked subpellicular microtubules (Fig. 1). The only region of the plasma membrane that is not subtended by microtubules is the flagellar pocket, a specialised invagination of the plasma membrane at the anterior end ...
Promastigote Definition & Meaning | Merriam-Webster Medical
网页The meaning of PROMASTIGOTE is the motile, elongated, extracellular form in the life cycle of some protozoans (family Trypanosomatidae, and especially genus Leishmania) that is characterized by a single anterior flagellum and no undulating membrane. How to use promastigote in a sentence.
Promastigote - an overview | ScienceDirect Topics
网页The promastigote has long flagella and the ability to swim, whereas the amastigote has short flagella buried in the flagellar pockets and cannot swim. The two stages may differentiate into each other due to variations in environmental factors such as temperature and pH ( Zilberstein and Shapira, 1994 ).
Shape, form, function and Leishmania pathogenicity: from …
网页2017年9月13日 · Leishmania have two major different cell morphologies, exemplified by the promastigote morphology in the sand fly and the amastigote morphology in the mammalian host (figure 1 a). The basic cellular architecture is however conserved between the two Leishmania cell shapes and is defined by cross-linked sub …
CDC - DPDx - Leishmaniasis
网页Leishmaniasis is transmitted by the bite of infected female phlebotomine sandflies. The sandflies inject the infective stage (i.e., promastigotes) from their proboscis during blood meals . Promastigotes that reach the puncture wound are phagocytized by macrophages and other types of mononuclear phagocytic cells.
Promastigote - an overview | ScienceDirect Topics
网页The promastigote (leptomonad form) develops in culture and presumably in the invertebrate host. It measures 8–10 by 3–4 μm, with a 10- to 14-μm flagellum. Bray et al. (1969) described the ultrastructure of this leishmania.
Trypanosomatida - Wikipedia
网页The promastigote form is a common morphology in the insect host. The flagellum is found anterior of nucleus emerging directly from the anterior cell body. The kinetoplast is located in front of the nucleus, near the anterior end of the body.
前鞭毛体 - 百度百科
网页前鞭毛体（promastigote）是2016年公布的地方病学名词，出自《地方病学名词》第一版。.
Leishmania promastigotes: building a safe niche within macrophages
网页2012年9月19日 · The protozoan Leishmania parasitizes phagocytic cells, causing a spectrum of human diseases ranging from a confined cutaneous lesion to a progressive and potentially fatal visceral infection. Leishmania is endemic in 98 countries where it constitutes a serious health problem (Alvar et al., 2012 ).
Promastigote-to-Amastigote Conversion in Leishmania spp.—A …
网页2022年9月15日 · Leishmania differentiation from promastigote to amastigote is associated with a switch from cap-dependent to alternative translation, involving a non-conserved 4E-interacting protein (Leish4E-IP) .