Results 101 to 110 of about 79,418 (282)

Non-Sinusoidal Bending Waves of Sperm Flagella [PDF]

open access: yes, 1965
The analyses of flagellar movement stimulated by Sir James Gray's (1955) photographic study of the movement of sea-urchin spermatozoa have used sine waves as a convenient mathematical model for the active bending waves of flagella.
Brokaw, C. J.
core  

The developmental cell biology of Trypanosoma brucei [PDF]

open access: yes, 2005
Trypanosoma brucei provides an excellent system for studies of many aspects of cell biology, including cell structure and morphology, organelle positioning, cell division and protein trafficking. However, the trypanosome has a complex life cycle in which
Matthews, Keith R
core   +1 more source

IFT25 is required for the construction of the trypanosome flagellum [PDF]

open access: yesJournal of Cell Science, 2018
Intraflagellar transport (IFT), the movement of protein complexes responsible for the assembly of cilia and flagella, is remarkably conserved from protists to humans. However, two IFT components (IFT25 and IFT27) are missing from multiple unrelated eukaryotic species.
Diego Huet   +4 more
openaire   +4 more sources

Flagellar membrane association via interaction with lipid rafts [PDF]

open access: yes, 2009
The eukaryotic flagellar membrane has a distinct composition from other domains of the plasmalemma. Our work shows that the specialized composition of the trypanosome flagellar membrane reflects increased concentrations of sterols and saturated fatty ...
Cieslak, John A.   +6 more
core   +2 more sources

A flagellum-specific chaperone facilitates assembly of the core type III export apparatus of the bacterial flagellum

open access: yesPLoS Biology, 2017
Many bacteria move using a complex, self-assembling nanomachine, the bacterial flagellum. Biosynthesis of the flagellum depends on a flagellar-specific type III secretion system (T3SS), a protein export machine homologous to the export machinery of the ...
F. Fabiani   +13 more
semanticscholar   +1 more source

Characterization of Flagellum Gene Families of Methanogenic Archaea and Localization of Novel Flagellum Accessory Proteins [PDF]

open access: yesJournal of Bacteriology, 2001
ABSTRACTArchaeal flagella are unique motility structures, and the absence of bacterial structural motility genes in the complete genome sequences of flagellated archaeal species suggests that archaeal flagellar biogenesis is likely mediated by novel components.
Nikhil A. Thomas, Ken F. Jarrell
openaire   +3 more sources

Flagellar propulsion [PDF]

open access: yes, 2006
In this JEB Classics paper, Sir James Gray and G. J. Hancock explained how spermatozoa are propelled by flagellar bending waves (Gray and Hancock, 1955). This paper was a lasting success because it provided an easy-to-understand solution to a complicated
Brokaw, Charles J.
core   +1 more source

Cricket antennae shorten when bending (Acheta domesticus L.). [PDF]

open access: yes, 2014
Insect antennae are important mechanosensory and chemosensory organs. Insect appendages, such as antennae, are encased in a cuticular exoskeleton and are thought to bend only between segments or subsegments where the cuticle is thinner, more flexible, or
Bustamante, Jorge   +2 more
core   +2 more sources

Helical swimming motion driven by coordinated rotation of flagellar apparatus in marine bacterial cells

open access: yesJournal of Biomechanical Science and Engineering
The magnetotactic bacterium MO-1 possesses a pair of unique flagellar apparatuses. Each apparatus comprises seven flagella and 24 thin fibrils enclosed in a sheath.
Yuji SHIMOGONYA   +6 more
doaj   +1 more source

The efficiency of propulsion by a rotating flagellum [PDF]

open access: yesProceedings of the National Academy of Sciences, 1997
[At very low Reynolds number, the regime in which fluid dynamics is governed by Stokes equations, a helix that translates along its axis under an external force but without an external torque will necessarily rotate. By the linearity of the Stokes equations, the same helix that is caused to rotate due to an external torque will necessarily ...
openaire   +3 more sources

Home - About - Disclaimer - Privacy