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Journal articles on the topic 'Cell Movement'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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1

Zigmond, Sally H. "Cell movement and cell behaviour." Cell 47, no. 6 (December 1986): 843. http://dx.doi.org/10.1016/0092-8674(86)90798-1.

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2

Umetsu, Daiki, Satoshi Yamaji, Daiki Wakita, and Takeshi Kano. "Quantitative Analysis of the Coordinated Movement of Cells in a Freely Moving Cell Population." Journal of Robotics and Mechatronics 35, no. 4 (August 20, 2023): 931–37. http://dx.doi.org/10.20965/jrm.2023.p0931.

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Coordinated movement of self-propelled agents has been well studied in collectives or swarms that display directional movement. Self-propelled agents also develop stable spatial patterns in which the agents do not necessarily exhibit directional collective movement. However, quantitative measures that are required to analyze the local and temporal coordinated movements during pattern formation processes have not been well established. Here, we study the coordinated movement of individual pairs of two different types of cells in a freely moving cell population. We introduced three criteria to evaluate coordinated movement in live imaging data obtained from the abdomen of the fruit fly, Drosophila melanogaster, at the pupal stage. All three criteria were able to reasonably identify coordinated movement. Our analysis indicates that the combined usage of these criteria can improve the evaluation of whether a pair of cells exhibits coordinated movement or not by excluding false positives. Quantitative approaches to identifying coordinated movement in a population of freely moving agents constitute a key foundational methodology to study pattern formations by self-propelled agents.
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3

LESLIE, R. J. "Molecular Motors: Cell Movement." Science 244, no. 4912 (June 30, 1989): 1599. http://dx.doi.org/10.1126/science.244.4912.1599.

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4

Smart, Nicola, and Paul R. Riley. "The Stem Cell Movement." Circulation Research 102, no. 10 (May 23, 2008): 1155–68. http://dx.doi.org/10.1161/circresaha.108.175158.

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5

Gough, N. R. "Caspase for Cell Movement." Science's STKE 2007, no. 376 (February 28, 2007): tw74. http://dx.doi.org/10.1126/stke.3762007tw74.

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6

Yoon, Jaeho, Vijay Kumar, Ravi Shankar Goutam, Sung-Chan Kim, Soochul Park, Unjoo Lee, and Jaebong Kim. "Bmp Signal Gradient Modulates Convergent Cell Movement via Xarhgef3.2 during Gastrulation of Xenopus Embryos." Cells 11, no. 1 (December 24, 2021): 44. http://dx.doi.org/10.3390/cells11010044.

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Gastrulation is a critical step in the establishment of a basic body plan during development. Convergence and extension (CE) cell movements organize germ layers during gastrulation. Noncanonical Wnt signaling has been known as major signaling that regulates CE cell movement by activating Rho and Rac. In addition, Bmp molecules are expressed in the ventral side of a developing embryo, and the ventral mesoderm region undergoes minimal CE cell movement while the dorsal mesoderm undergoes dynamic cell movements. This suggests that Bmp signal gradient may affect CE cell movement. To investigate whether Bmp signaling negatively regulates CE cell movements, we performed microarray-based screening and found that the transcription of Xenopus Arhgef3.2 (Rho guanine nucleotide exchange factor) was negatively regulated by Bmp signaling. We also showed that overexpression or knockdown of Xarhgef3.2 caused gastrulation defects. Interestingly, Xarhgef3.2 controlled gastrulation cell movements through interacting with Disheveled (Dsh2) and Dsh2-associated activator of morphogenesis 1 (Daam1). Our results suggest that Bmp gradient affects gastrulation cell movement (CE) via negative regulation of Xarhgef3.2 expression.
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7

Heath, Julian P. "Cell Movement and Cell Behaviour.J. M. Lackie." Quarterly Review of Biology 62, no. 3 (September 1987): 313. http://dx.doi.org/10.1086/415542.

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8

McLean, Barbara Gail, Elisabeth Walgmann, Vitaly Citovsky, and Patricia Zambryski. "Cell-to-cell movement of plant viruses." Trends in Microbiology 1, no. 3 (June 1993): 105–9. http://dx.doi.org/10.1016/0966-842x(93)90116-9.

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9

Mushegian, A. R., and E. V. Koonin. "Cell-to-cell movement of plant viruses." Archives of Virology 133, no. 3-4 (September 1993): 239–57. http://dx.doi.org/10.1007/bf01313766.

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10

Huckaba, Thomas M., Anna Card Gay, Luiz Fernando Pantalena, Hyeong-Cheol Yang, and Liza A. Pon. "Live cell imaging of the assembly, disassembly, and actin cable–dependent movement of endosomes and actin patches in the budding yeast, Saccharomyces cerevisiae." Journal of Cell Biology 167, no. 3 (November 8, 2004): 519–30. http://dx.doi.org/10.1083/jcb.200404173.

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Using FM4-64 to label endosomes and Abp1p-GFP or Sac6p-GFP to label actin patches, we find that (1) endosomes colocalize with actin patches as they assemble at the bud cortex; (2) endosomes colocalize with actin patches as they undergo linear, retrograde movement from buds toward mother cells; and (3) actin patches interact with and disassemble at FM4-64–labeled internal compartments. We also show that retrograde flow of actin cables mediates retrograde actin patch movement. An Arp2/3 complex mutation decreases the frequency of cortical, nonlinear actin patch movements, but has no effect on the velocity of linear, retrograde actin patch movement. Rather, linear actin patch movement occurs at the same velocity and direction as the movement of actin cables. Moreover, actin patches require actin cables for retrograde movements and colocalize with actin cables as they undergo retrograde movement. Our studies support a mechanism whereby actin cables serve as “conveyor belts” for retrograde movement and delivery of actin patches/endosomes to FM4-64–labeled internal compartments.
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11

Hurtley, S. M. "CELL BIOLOGY: Controlling Chromosome Movement." Science 290, no. 5499 (December 15, 2000): 2033a—2033. http://dx.doi.org/10.1126/science.290.5499.2033a.

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12

Leonetti, M. "Cell Movement by Osmotic Current." Europhysics Letters (EPL) 32, no. 7 (December 1, 1995): 561–65. http://dx.doi.org/10.1209/0295-5075/32/7/004.

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13

Rytinki, Miia M., and Jorma J. Palvimo. "SUMO wrestling in cell movement." Cell Research 21, no. 1 (November 23, 2010): 3–5. http://dx.doi.org/10.1038/cr.2010.162.

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14

Dormann, D. "Chemotactic cell movement during development." Current Opinion in Genetics & Development 13, no. 4 (August 2003): 358–64. http://dx.doi.org/10.1016/s0959-437x(03)00087-x.

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15

Gherardi, Ermanno. "Growth factors and cell movement." European Journal of Cancer and Clinical Oncology 27, no. 4 (January 1991): 403–5. http://dx.doi.org/10.1016/0277-5379(91)90370-s.

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16

Giurghita, Diana, and Dirk Husmeier. "Statistical modelling of cell movement." Statistica Neerlandica 72, no. 3 (April 15, 2018): 265–80. http://dx.doi.org/10.1111/stan.12140.

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17

Yue, Junming. "miRNA and vascular cell movement." Advanced Drug Delivery Reviews 63, no. 8 (July 2011): 616–22. http://dx.doi.org/10.1016/j.addr.2011.01.001.

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18

Weijer, Cornelis J. "Morphogenetic cell movement in Dictyostelium." Seminars in Cell & Developmental Biology 10, no. 6 (December 1999): 609–19. http://dx.doi.org/10.1006/scdb.1999.0344.

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19

Deom, C. Michael, Xian Zhi He, Roger N. Beachy, and A. Keyton Weissinger. "Influence of Heterologous Tobamovirus Movement Protein and Chimeric-Movement Protein Genes on Cell-to-Cell and Long-Distance Movement." Virology 205, no. 1 (November 1994): 198–209. http://dx.doi.org/10.1006/viro.1994.1635.

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20

Sreenivasan, Aparna. "Myelin movement." Journal of Cell Biology 166, no. 1 (June 28, 2004): 7. http://dx.doi.org/10.1083/jcb1661iti4.

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21

Kim, Su Kyoung, Asako Shindo, Tae Joo Park, Edwin C. Oh, Srimoyee Ghosh, Ryan S. Gray, Richard A. Lewis, et al. "Planar Cell Polarity Acts Through Septins to Control Collective Cell Movement and Ciliogenesis." Science 329, no. 5997 (July 29, 2010): 1337–40. http://dx.doi.org/10.1126/science.1191184.

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The planar cell polarity (PCP) signaling pathway governs collective cell movements during vertebrate embryogenesis, and certain PCP proteins are also implicated in the assembly of cilia. The septins are cytoskeletal proteins controlling behaviors such as cell division and migration. Here, we identified control of septin localization by the PCP protein Fritz as a crucial control point for both collective cell movement and ciliogenesis in Xenopus embryos. We also linked mutations in human Fritz to Bardet-Biedl and Meckel-Gruber syndromes, a notable link given that other genes mutated in these syndromes also influence collective cell movement and ciliogenesis. These findings shed light on the mechanisms by which fundamental cellular machinery, such as the cytoskeleton, is regulated during embryonic development and human disease.
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22

Gurdon, Csanad, Zora Svab, Yaping Feng, Dibyendu Kumar, and Pal Maliga. "Cell-to-cell movement of mitochondria in plants." Proceedings of the National Academy of Sciences 113, no. 12 (March 7, 2016): 3395–400. http://dx.doi.org/10.1073/pnas.1518644113.

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We report cell-to-cell movement of mitochondria through a graft junction. Mitochondrial movement was discovered in an experiment designed to select for chloroplast transfer from Nicotiana sylvestris into Nicotiana tabacum cells. The alloplasmic N. tabacum line we used carries Nicotiana undulata cytoplasmic genomes, and its flowers are male sterile due to the foreign mitochondrial genome. Thus, rare mitochondrial DNA transfer from N. sylvestris to N. tabacum could be recognized by restoration of fertile flower anatomy. Analyses of the mitochondrial genomes revealed extensive recombination, tentatively linking male sterility to orf293, a mitochondrial gene causing homeotic conversion of anthers into petals. Demonstrating cell-to-cell movement of mitochondria reconstructs the evolutionary process of horizontal mitochondrial DNA transfer and enables modification of the mitochondrial genome by DNA transmitted from a sexually incompatible species. Conversion of anthers into petals is a visual marker that can be useful for mitochondrial transformation.
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23

Thyssen, G., Z. Svab, and P. Maliga. "Cell-to-cell movement of plastids in plants." Proceedings of the National Academy of Sciences 109, no. 7 (January 30, 2012): 2439–43. http://dx.doi.org/10.1073/pnas.1114297109.

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24

Kumar, Dhinesh, Ritesh Kumar, Tae Kyung Hyun, and Jae-Yean Kim. "Cell-to-cell movement of viruses via plasmodesmata." Journal of Plant Research 128, no. 1 (December 21, 2014): 37–47. http://dx.doi.org/10.1007/s10265-014-0683-6.

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25

Combedazou, Anne, Stéphanie Gayral, Nathalie Colombié, Anne Fougerat, Muriel Laffargue, and Damien Ramel. "Small GTPases orchestrate cell-cell communication during collective cell movement." Small GTPases 11, no. 2 (December 17, 2017): 103–12. http://dx.doi.org/10.1080/21541248.2017.1366965.

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26

Lee, Hyun-Shik, Kathleen Mood, Gopala Battu, Yon Ju Ji, Arvinder Singh, and Ira O. Daar. "Fibroblast Growth Factor Receptor-induced Phosphorylation of EphrinB1 Modulates Its Interaction with Dishevelled." Molecular Biology of the Cell 20, no. 1 (January 2009): 124–33. http://dx.doi.org/10.1091/mbc.e08-06-0662.

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The Eph family of receptor tyrosine kinases and their membrane-bound ligands, the ephrins, have been implicated in regulating cell adhesion and migration during development by mediating cell-to-cell signaling events. The transmembrane ephrinB1 protein is a bidirectional signaling molecule that signals through its cytoplasmic domain to promote cellular movements into the eye field, whereas activation of the fibroblast growth factor receptor (FGFR) represses these movements and retinal fate. In Xenopus embryos, ephrinB1 plays a role in retinal progenitor cell movement into the eye field through an interaction with the scaffold protein Dishevelled (Dsh). However, the mechanism by which the FGFR may regulate this cell movement is unknown. Here, we present evidence that FGFR-induced repression of retinal fate is dependent upon phosphorylation within the intracellular domain of ephrinB1. We demonstrate that phosphorylation of tyrosines 324 and 325 disrupts the ephrinB1/Dsh interaction, thus modulating retinal progenitor movement that is dependent on the planar cell polarity pathway. These results provide mechanistic insight into how fibroblast growth factor signaling modulates ephrinB1 control of retinal progenitor movement within the eye field.
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27

Ferguson, Elaine A., Jason Matthiopoulos, Robert H. Insall, and Dirk Husmeier. "Inference of the drivers of collective movement in two cell types: Dictyostelium and melanoma." Journal of The Royal Society Interface 13, no. 123 (October 2016): 20160695. http://dx.doi.org/10.1098/rsif.2016.0695.

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Collective cell movement is a key component of many important biological processes, including wound healing, the immune response and the spread of cancers. To understand and influence these movements, we need to be able to identify and quantify the contribution of their different underlying mechanisms. Here, we define a set of six candidate models—formulated as advection–diffusion–reaction partial differential equations—that incorporate a range of cell movement drivers. We fitted these models to movement assay data from two different cell types: Dictyostelium discoideum and human melanoma. Model comparison using widely applicable information criterion suggested that movement in both of our study systems was driven primarily by a self-generated gradient in the concentration of a depletable chemical in the cells' environment. For melanoma, there was also evidence that overcrowding influenced movement. These applications of model inference to determine the most likely drivers of cell movement indicate that such statistical techniques have potential to support targeted experimental work in increasing our understanding of collective cell movement in a range of systems.
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28

Tremblay, Douglas, Andrew A. Vaewhongs, Katherine A. Turner, Tim L. Sit, and Steven A. Lommel. "Cell wall localization of Red clover necrotic mosaic virus movement protein is required for cell-to-cell movement." Virology 333, no. 1 (March 2005): 10–21. http://dx.doi.org/10.1016/j.virol.2004.12.019.

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29

Alleva, Benjamin, Nathan Balukoff, Amy Peiper, and Sarit Smolikove. "Regulating chromosomal movement by the cochaperone FKB-6 ensures timely pairing and synapsis." Journal of Cell Biology 216, no. 2 (January 11, 2017): 393–408. http://dx.doi.org/10.1083/jcb.201606126.

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In meiotic prophase I, homologous chromosome pairing is promoted through chromosome movement mediated by nuclear envelope proteins, microtubules, and dynein. After proper homologue pairing has been established, the synaptonemal complex (SC) assembles along the paired homologues, stabilizing their interaction and allowing for crossing over to occur. Previous studies have shown that perturbing chromosome movement leads to pairing defects and SC polycomplex formation. We show that FKB-6 plays a role in SC assembly and is required for timely pairing and proper double-strand break repair kinetics. FKB-6 localizes outside the nucleus, and in its absence, the microtubule network is altered. FKB-6 is required for proper movement of dynein, increasing resting time between movements. Attenuating chromosomal movement in fkb-6 mutants partially restores the defects in synapsis, in agreement with FKB-6 acting by decreasing chromosomal movement. Therefore, we suggest that FKB-6 plays a role in regulating dynein movement by preventing excess chromosome movement, which is essential for proper SC assembly and homologous chromosome pairing.
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30

Tamai, Atsushi, Kenji Kubota, Hideaki Nagano, Motoyasu Yoshii, Masayuki Ishikawa, Kazuyuki Mise, and Tetsuo Meshi. "Cucumovirus- and bromovirus-encoded movement functions potentiate cell-to-cell movement of tobamo- and potexviruses." Virology 315, no. 1 (October 2003): 56–67. http://dx.doi.org/10.1016/s0042-6822(03)00480-x.

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31

Palmer, R. E., M. Koval, and D. Koshland. "The dynamics of chromosome movement in the budding yeast Saccharomyces cerevisiae." Journal of Cell Biology 109, no. 6 (December 1, 1989): 3355–66. http://dx.doi.org/10.1083/jcb.109.6.3355.

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Nuclear DNA movement in the yeast, Saccharomyces cerevisiae, was analyzed in live cells using digital imaging microscopy and corroborated by the analysis of nuclear DNA position in fixed cells. During anaphase, the replicated nuclear genomes initially separated at a rate of 1 micron/min. As the genomes separated, the rate of movement became discontinuous. In addition, the axis defined by the segregating genomes rotated relative to the cell surface. The similarity between these results and those previously obtained in higher eukaryotes suggest that the mechanism of anaphase movement may be highly conserved. Before chromosome separation, novel nuclear DNA movements were observed in cdc13, cdc16, and cdc23 cells but not in wild-type or cdc20 cells. These novel nuclear DNA movements correlated with variability in spindle position and length in cdc16 cells. Models for the mechanism of these movements and their induction by certain cdc mutants are discussed.
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32

Colvin, Richard A., and Andrew D. Luster. "Movement within and movement beyond." Cell Adhesion & Migration 5, no. 1 (January 2011): 56–58. http://dx.doi.org/10.4161/cam.5.1.13197.

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33

Vasan, Ritvik, Mary M. Maleckar, C. David Williams, and Padmini Rangamani. "DLITE Uses Cell-Cell Interface Movement to Better Infer Cell-Cell Tensions." Biophysical Journal 117, no. 9 (November 2019): 1714–27. http://dx.doi.org/10.1016/j.bpj.2019.09.034.

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34

Sachs, Frederick, and Mettupalayam V. Sivaselvan. "Cell volume control in three dimensions: Water movement without solute movement." Journal of General Physiology 145, no. 5 (April 13, 2015): 373–80. http://dx.doi.org/10.1085/jgp.201411297.

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35

Schroer, T. A., B. J. Schnapp, T. S. Reese, and M. P. Sheetz. "The role of kinesin and other soluble factors in organelle movement along microtubules." Journal of Cell Biology 107, no. 5 (November 1, 1988): 1785–92. http://dx.doi.org/10.1083/jcb.107.5.1785.

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Kinesin is a force-generating ATPase that drives the sliding movement of microtubules on glass coverslips and the movement of plastic beads along microtubules. Although kinesin is suspected to participate in microtubule-based organelle transport, the exact role it plays in this process is unclear. To address this question, we have developed a quantitative assay that allows us to determine the ability of soluble factors to promote organelle movement. Salt-washed organelles from squid axoplasm exhibited a nearly undetectable level of movement on purified microtubules. Their frequency of movement could be increased greater than 20-fold by the addition of a high speed axoplasmic supernatant. Immunoadsorption of kinesin from this supernatant decreased the frequency of organelle movement by more than 70%; organelle movements in both directions were markedly reduced. Surprisingly, antibody purified kinesin did not promote organelle movement either by itself or when it was added back to the kinesin-depleted supernatant. This result suggested that other soluble factors necessary for organelle movement were removed along with kinesin during immunoadsorption of the supernatant. A high level of organelle motor activity was recovered in a high salt eluate of the immunoadsorbent that contained only little kinesin. On the basis of these results we propose that organelle movement on microtubules involves other soluble axoplasmic factors in addition to kinesin.
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36

Sato, Y., M. Wada, and A. Kadota. "Choice of tracks, microtubules and/or actin filaments for chloroplast photo-movement is differentially controlled by phytochrome and a blue light receptor." Journal of Cell Science 114, no. 2 (January 15, 2001): 269–79. http://dx.doi.org/10.1242/jcs.114.2.269.

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Light induced chloroplast movement has been studied as a model system for photoreception and actin microfilament (MF)-based intracellular motilities in plants. Chloroplast photo-accumulation and -avoidance movement is mediated by phytochrome as well as blue light (BL) receptor in the moss Physcomitrella patens. Here we report the discovery of an involvement of a microtubule (MT)-based system in addition to an MF-based system in photorelocation of chloroplasts in this moss. In the dark, MTs provided tracks for rapid movement of chloroplasts in a longitudinal direction and MFs contributed the tracks for slow movement in any direction. We found that phytochrome responses utilized only the MT-based system, while BL responses had an alternative way of moving, either along MTs or MFs. MT-based systems were mediated by both photoreceptors, but chloroplasts showed movements with different velocity and pattern between them. No apparent difference in the behavior of chloroplast movement between the accumulation and avoidance movement was detected in phytochrome responses or BL responses, except for the direction of the movement. The results presented here demonstrate that chloroplasts use both MTs and MFs for motility and that phytochrome and a BL receptor control directional photo-movement of chloroplasts through the differential regulation of these motile systems.
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37

Wells, William A. "Movement in Colorado." Journal of Cell Biology 160, no. 7 (March 24, 2003): 985–88. http://dx.doi.org/10.1083/jcb1607mr.

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38

NAKATSUJI, Norio. "Embryogenesis and cell movement: Amphibian gastrulation." Seibutsu Butsuri 26, no. 3 (1986): 101–9. http://dx.doi.org/10.2142/biophys.26.101.

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39

Fowler, A. C., and H. F. Winstanley. "MOVEMENT OF A SESSILE CELL COLONY." Mathematical Proceedings of the Royal Irish Academy 112A, no. 2 (2012): 79–91. http://dx.doi.org/10.1353/mpr.2012.0007.

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40

Nagayama, M., H. Haga, and K. Kawabata. "Dynamical coordinative mechanism in cell movement." Seibutsu Butsuri 41, supplement (2001): S207. http://dx.doi.org/10.2142/biophys.41.s207_2.

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41

Marques, M., J. Arrabaça, and I. Chagas. "The mechanism of guard cell movement." Journal of Biological Education 39, no. 3 (June 2005): 131–35. http://dx.doi.org/10.1080/00219266.2005.9655980.

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42

Hines, Pamela J. "Supracellular cable drives collective cell movement." Science 362, no. 6412 (October 18, 2018): 300.7–301. http://dx.doi.org/10.1126/science.362.6412.300-g.

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43

TAYLOR, WILLIAM, ZOE KATSIMITSOULIA, and ALEXEI POLIAKOV. "SIMULATION OF CELL MOVEMENT AND INTERACTION." Journal of Bioinformatics and Computational Biology 09, no. 01 (February 2011): 91–110. http://dx.doi.org/10.1142/s0219720011005318.

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A mechanical model of cell motion was developed that reproduced the behaviour of cells in 2-dimensional culture. Cell adhesion was modelled with inter-cellular cross-links that attached for different times giving a range of adhesion strength. Simulations revealed an adhesion threshold below which cell motion was almost unaffected and above which cells moved as if permanently linked. Comparing simulated cell clusters (with known connections) to calculated clusters (based only on distance) showed that the calculated clusters did not correspond well across the full size range from small to big clusters. The radial distribution function of the cells was found to be a better measure, giving a good correlation with the known cell linkage throughout the simulation run. This analysis showed that cells were best modelled with a degree of stickiness just under the critical threshold level. This allowed fluidlike motion while maintaining cohesiveness across the population.
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44

Hinrichs, Christian S. "T cell receptors communicate by movement." Science Translational Medicine 10, no. 471 (December 12, 2018): eaaw0522. http://dx.doi.org/10.1126/scitranslmed.aaw0522.

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45

Fowler, A. C., and H. F. Winstanley. "Movement of a Sessile Cell Colony." Mathematical Proceedings of the Royal Irish Academy 112, no. 2 (January 1, 2012): 79–91. http://dx.doi.org/10.3318/pria.2011.112.08.

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46

Lemp, M. A., and W. D. Mathers. "Corneal epithelial cell movement in humans." Eye 3, no. 4 (July 1989): 438–45. http://dx.doi.org/10.1038/eye.1989.65.

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47

Gruler, H. "Directed Cell Movement with Steric Exclusion." Zeitschrift für Naturforschung C 46, no. 7-8 (August 1, 1991): 697–702. http://dx.doi.org/10.1515/znc-1991-7-829.

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Abstract The space-dependent density of cells is evaluated for the following situation: (i) The cells are forced to make a directed movement (ii) the space for the cellular migration is restricted. The steady state distribution density is obtained when the drift current density equals the diffusion current density. The analogy to the Boltzmann statistics is shown. In a further step the cellular volume is introduced. For this case the density distribution is described in analogy to the Fermi statistics. The necrotactic response of granulocytes is used to verify the model.
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48

Kramer, Kathryn D., and Kermit B. Nash. "The Sickle Cell Mutual Assistance Movement." Journal of Health & Social Policy 5, no. 3-4 (October 31, 1994): 203–14. http://dx.doi.org/10.1300/j045v05n03_12.

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49

Rohatgi, R., and M. P. Scott. "CELL BIOLOGY: Arrestin' Movement in Cilia." Science 320, no. 5884 (June 27, 2008): 1726–27. http://dx.doi.org/10.1126/science.1160448.

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50

Kellerman, Kathryn A., and James G. McNally. "Mound-Cell Movement and Morphogenesis inDictyostelium." Developmental Biology 208, no. 2 (April 1999): 416–29. http://dx.doi.org/10.1006/dbio.1999.9208.

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