Vibrio cholerae use pili and flagella synergistically to effect motility switching and conditional surface attachment

AS Utada, RR Bennett, JCN Fong, ML Gibiansky… - Nature …, 2014 - nature.com
We show that Vibrio cholerae, the causative agent of cholera, use their flagella and
mannose-sensitive hemagglutinin (MSHA) type IV pili synergistically to switch between two …

Rare earth elements activate endocytosis in plant cells

L Wang, J Li, Q Zhou, G Yang… - Proceedings of the …, 2014 - National Acad Sciences
It has long been observed that rare earth elements (REEs) regulate multiple facets of plant
growth and development. However, the underlying mechanisms remain largely unclear …

Run-and-tumble dynamics in a crowded environment: Persistent exclusion process for swimmers

R Soto, R Golestanian - Physical Review E, 2014 - APS
The effect of crowding on the run-and-tumble dynamics of swimmers such as bacteria is
studied using a discrete lattice model of mutually excluding particles that move with constant …

Type IV pili interactions promote intercellular association and moderate swarming of Pseudomonas aeruginosa

ME Anyan, A Amiri, CW Harvey… - Proceedings of the …, 2014 - National Acad Sciences
Pseudomonas aeruginosa is a ubiquitous bacterium that survives in many environments,
including as an acute and chronic pathogen in humans. Substantial evidence shows that P …

Bacterial twitching motility is coordinated by a two-dimensional tug-of-war with directional memory

R Marathe, C Meel, NC Schmidt, L Dewenter… - Nature …, 2014 - nature.com
Type IV pili are ubiquitous bacterial motors that power surface motility. In peritrichously
piliated species, it is unclear how multiple pili are coordinated to generate movement with …

Uncovering the mechanism of trapping and cell orientation during Neisseria gonorrhoeae twitching motility

V Zaburdaev, N Biais, M Schmiedeberg, J Eriksson… - Biophysical journal, 2014 - cell.com
Neisseria gonorrheae bacteria are the causative agent of the second most common sexually
transmitted infection in the world. The bacteria move on a surface by means of twitching …

Attachment from Flow of Escherichia coli Bacteria onto Silanized Glass Substrates

S Sharma, JC Conrad - Langmuir, 2014 - ACS Publications
We investigate the attachment of Escherichia coli on silanized glass surfaces during flow
through a linear channel at flow rates of 0.1 1 mL/min using confocal microscopy. We …

Bacteria slingshot more on soft surfaces

R Zhang, L Ni, Z Jin, J Li, F Jin - Nature communications, 2014 - nature.com
Adaptive responses greatly improve the competitive capacities of bacteria in diverse
environments. Here, we investigate whether bacteria can adapt to a microenvironment with …

Compositions and methods for modifying a silicone surface for prolonged interference against pathogen colonization

C Cai - US Patent 8,802,078, 2014 - Google Patents
According to some embodiments, the present invention provides a modified silicone surface
for interference to pathogen colonization comprising: an activated silicone layer; a plurality …

Discrimination between random and non-random processes in early bacterial colonization on biomaterial surfaces: application of point pattern analysis

D Siegismund, A Schroeter, C Lüdecke, A Undisz… - Biofouling, 2014 - Taylor & Francis
The dynamics of adhesion and growth of bacterial cells on biomaterial surfaces play an
important role in the formation of biofilms. The surface properties of biomaterials have a …