American Journal of Botany, Vol. 71, No. 1 (Jan., 1984), pp. 111-120 (10 pages) We have examined the motile cell ultrastructural features of several green algal species having filamentous or foliose ...

Like humans, bacteria in most ecosystems live with limited resources. Therefore they are constantly faced with investment decisions: should they enhance motile behavior and thus be able to exploit new ...

Motile, anaerobic gram-negative bacilli belonging to the genera Butyrivibrio, Succinimonas, Succinivibrio, Anaerovibrio, Wolinella, Campylobacter, Desulfovibrio, Selenomonas, and Anaerobiospirillum ...

Experiments and modeling of active nematics reveal a novel defect-ordered phase, in which motile topological defects exhibit system-spanning orientational order. Such a defect-ordered phase, which has ...