| C. elegans wild-type strain | Caenorhabditis Genetics Center (CGC), Minnesota, USA | N2 | Wild-type C. elegans strain generally used in this study |
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| C. elegans unc-119(e2498) III mutant strain | Caenorhabditis Genetics Center (CGC), Minnesota, USA | CB4845 | C. elegans strain only employed as an example of mutants with abnormal body shape |
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| C. elegans transgenic strain HBR4 | Caenorhabditis Genetics Center (CGC), Minnesota, USA | HBR4 | The genotype of this transgenic C. elegans strain is HBR4:goeIs3[pmyo-3::GCamP3.35:: unc-54–3’utr, unc-119(+)]V. This strain was only employed for imaging observation. |
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| E. coli strain | Caenorhabditis Genetics Center (CGC), Minnesota, USA | OP50 | E. coli strain used as food for C. elegans |
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| Worm Sheet IR (50/60) | Biocosm, Inc., Hyogo, Japan | BCM17-0001 | Microfluidic chip with 25 straight 50/60-µm width channels used in all experiments and observation in this paper |
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| Worm Sheet 60 | Biocosm, Inc., Hyogo, Japan | BCM18-0001 | Microfluidic chip with 20 straight 60 µm-width channels. This is sitable for adults 3-5 days after hatching at 20°C. |
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| Worm Sheet 50 | Biocosm, Inc., Hyogo, Japan | BCM18-0002 | Microfluidic chip with 20 straight 50 µm-width channels. This is sitable for youg adults ~3 days after hatching at 20°C. |
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| MICRO COVER GLASS | MATSUNAMI GLASS IND. LTD. | C030401 | Cover glass (thickness: 130-170 µm) used in locomotion assays in Protocol 3 |
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| Polystyrene Film | Biocosm, Inc., Hyogo, Japan | BCM18-0001/ BCM18-0002 | Bundled items of Worm Sheets. PS filim (thickness: ~130 µm) used in locomotion assays in Protocol 3. |
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| Polyester Film Lumirror | TORAY INDUSTRIES, INC., Tokyo, Japan | Lumirror T60 (t 125 µm) | PET filim (thickness: 125 µm) used in locomotion assays in Protocol 3 |
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| IWAKI 60 mm/non-treated dish | AGC Techno Glass Co., Ltd., Shizuoka, Japan). | 1010-060 | Non-treated dish used in incuvation of C. elegans in Protocol 1 |
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| IWAKI 35 mm/non-treated dish | AGC Techno Glass Co., Ltd., Shizuoka, Japan). | 1010-035 | Non-treated dish used in locomotion assays in Protocol 3 |
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| Milli-Q | Merck, France | | Ultrapure water |
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| Kimwipe S-200 | Nippon Paper Crecia Co., Ltd., Tokyo, Japan | 62020 | 120 mm x 215 mm; 200 sheets/ box |
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| WormStuff Worm Pick | Genesee Scientific Corporation, CA, USA) | 59-AWP | Platina picker specilized for picking up C. elegans |
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| Research Stereo Microscope System | OLYMPUS CORPORATION, Tokyo, Japan | SZX16 | Micriscope used in all experiments and observation in this paper |
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| Motorized Focus Stand for SZX16 | OLYMPUS CORPORATION, Tokyo, Japan | SZX2-ILLB | This was used for bright field observation in Protocol 3-8. |
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| Objective Lens (×1) | OLYMPUS CORPORATION, Tokyo, Japan | SDFPLAPO1×PF | NA: 0.15; W.D.: 60 mm. This lends was used for bright field observation in Protocol 3-8. |
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| Objective Lens (×2) | OLYMPUS CORPORATION, Tokyo, Japan | SDFPLAPO2XPFC | NA: 0.3; W.D.: 20 mm. This lends was used for imaging observations. |
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| Mercury Light Source | OLYMPUS CORPORATION, Tokyo, Japan | U-LH100HG | The broad emission spectrum enables a range of fluorescence imaging experiments to be conducted using all common fluorophores. |
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| SZX16 Fluorescent filter unit (High performance for YFP) | OLYMPUS CORPORATION, Tokyo, Japan | SZX2-FYFPHQ | Ex: 490-500 nm; Em: 510-560. This was used for imaging observation of HBR4 strain. |
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| Digital Camera High Speed EXILIM | CASIO COMPUTER Co., Ltd, Tokyo, Japan | | EX-F1 Figure 1B, 1E, 1F, Figure 2A-C, and Video 1 were obtained by using this digital camera. |
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| Office 2013 | Microsoft Co. Ltd, Redmond, WA, USA | | EXCEL Software used for statistical analyses |
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