Calculations of flagellar energetics from beating patterns in sperm reveal that internal dissipation by dynein motors and other passive structures within the flagellum significantly exceeds external hydrodynamic dissipation.
Giancarlo Cicconofri, Giovanni Noselli, Antonio DeSimone
The 'spinning lasso' geometry of Euglena's beating flagellum is revealed, and a model based on the antagonistic forces exchanged by axoneme and paraflagellar rod is proposed to explain its emergence.
Coordinated actions of two opposite flagella control speed and change direction of plant pathogen Phytophthora zoospores, in which the anterior flagellum is the main motor to generate thrust and spontaneously switch from reciprocal beating to breaststrokes to reorient its body.
Rheological properties of the environment regulate sperm swimming and navigational behavior through suppression or reactivation of sperm rolling around its longitudinal axis.
Douglas R Brumley, Kirsty Y Wan ... Raymond E Goldstein
A combination of experiment and theory shows that pairs of eukaryotic flagella can achieve robust synchronization solely through the action of the fluid that surrounds them.
Debasmita Mondal, Ameya G Prabhune ... Prerna Sharma
Coupling between cell motility and strong confinement alters the force generators that cause flow fields to change their handedness and lead to enhanced mixing.
Denis Dacheux, Guillaume Martinez ... Charles Coutton
Bi-allelic mutations in ZMYND12, encoding a novel axonemal protein interacting with TTC29 and DNAH1, cause male infertility and flagellum defects in human and Trypanosoma.