Cytoskeleton organization in formation and motility of apicomplexan parasites

RG Douglas, RW Moon… - Annual Review of …, 2024 - annualreviews.org
Apicomplexan parasites are a group of eukaryotic protozoans with diverse biology that have
affected human health like no other group of parasites. These obligate intracellular parasites …

Evolution, composition, assembly, and function of the conoid in Apicomplexa

NDS Pacheco, N Tosetti, L Koreny, RF Waller… - Trends in …, 2020 - cell.com
The phylum Apicomplexa has been defined by the presence of the apical complex, a
structure composed of secretory organelles and specific cytoskeletal elements. A …

SPACA9 is a lumenal protein of human ciliary singlet and doublet microtubules

M Gui, JT Croft, D Zabeo, V Acharya… - Proceedings of the …, 2022 - National Acad Sciences
The cilium-centrosome complex contains triplet, doublet, and singlet microtubules. The
lumenal surfaces of each microtubule within this diverse array are decorated by microtubule …

Molecular characterization of the conoid complex in Toxoplasma reveals its conservation in all apicomplexans, including Plasmodium species

L Koreny, M Zeeshan, K Barylyuk, EC Tromer… - PLoS …, 2021 - journals.plos.org
The apical complex is the instrument of invasion used by apicomplexan parasites, and the
conoid is a conspicuous feature of this apparatus found throughout this phylum. The conoid …

Novel components of the Toxoplasma inner membrane complex revealed by BioID

AL Chen, EW Kim, JY Toh, AA Vashisht, AQ Rashoff… - MBio, 2015 - Am Soc Microbiol
The inner membrane complex (IMC) of Toxoplasma gondii is a peripheral membrane system
that is composed of flattened alveolar sacs that underlie the plasma membrane, coupled to a …

Cryo-EM structure of cortical microtubules from human parasite Toxoplasma gondii identifies their microtubule inner proteins

X Wang, Y Fu, WL Beatty, M Ma, A Brown… - Nature …, 2021 - nature.com
In living cells, microtubules (MTs) play pleiotropic roles, which require very different
mechanical properties. Unlike the dynamic MTs found in the cytoplasm of metazoan cells …

The Apical Complex Provides a Regulated Gateway for Secretion of Invasion Factors in Toxoplasma

NJ Katris, GG van Dooren, PJ McMillan… - PLoS …, 2014 - journals.plos.org
The apical complex is the definitive cell structure of phylum Apicomplexa, and is the focus of
the events of host cell penetration and the establishment of intracellular parasitism. Despite …

Sustained rhoptry docking and discharge requires Toxoplasma gondii intraconoidal microtubule-associated proteins

N Dos Santos Pacheco, A Tell i Puig, A Guérin… - Nature …, 2024 - nature.com
In Apicomplexa, rhoptry discharge is essential for invasion and involves an apical vesicle
(AV) docking one or two rhoptries to a macromolecular secretory apparatus. Toxoplasma …

The initiation and early development of apical–basal polarity in Toxoplasma gondii

LF Arias Padilla, J Munera Lopez… - Journal of Cell …, 2024 - journals.biologists.com
The body plan of the human parasite Toxoplasma gondii has a well-defined polarity. The
minus ends of the 22 cortical microtubules are anchored to the apical polar ring, which is a …

Phosphorylation of a Myosin Motor by TgCDPK3 Facilitates Rapid Initiation of Motility during Toxoplasma gondii egress

RY Gaji, DE Johnson, M Treeck, M Wang… - PLoS …, 2015 - journals.plos.org
Members of the family of calcium dependent protein kinases (CDPK's) are abundant in
certain pathogenic parasites and absent in mammalian cells making them strong drug target …