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Multi-Environment Model Estimation for Motility Analysis of Caenorhabditis elegans

Figure 1

Examples of environments used in C. elegans' motility assays.

(a) Nematode crawling on an agar plate (Video S2). (b) Nematode swimming in a 5 ml drop of M9 buffer solution (Video S4). (c) Nematode swimming in a solution of gelatin dissolved in M9 (source:, Supplementary Material in Berri et al. [15]). (d) Nematode swimming inside a fluid-filled chamber (source: SM2.avi, Supplementary Material in Pierce-Shimomura et al. [13]). (e)–(f) Nematode locomotion in a microfluidic substrate (source: Supplemental Videos 2 and 4 in Lockery et al. [21]). (g) Nematode swimming in a shallow acrylic channel filled with M9 (Video S5). Nematodes shown in (a) through (g) are wild-type (N2) C. elegans and are all approximately mm long.

Figure 1