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1
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3142630232
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Dictyostelium morphogenesis
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Weijer C.J. Dictyostelium morphogenesis. Curr Opin Genet Dev 14 (2004) 392-398
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Curr Opin Genet Dev
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Weijer, C.J.1
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5444221200
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Breaking symmetries: regulation of Dictyostelium development through chemoattractant and morphogen signal-response
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Kimmel A.R., and Firtel R.A. Breaking symmetries: regulation of Dictyostelium development through chemoattractant and morphogen signal-response. Curr Opin Genet Dev 14 (2004) 540-549
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Curr Opin Genet Dev
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Kimmel, A.R.1
Firtel, R.A.2
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3
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1842783708
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A Gα-dependent pathway that antagonizes multiple chemoattractant responses that regulate directional cell movement
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Brzostowski J.A., Parent C.A., and Kimmel A.R. A Gα-dependent pathway that antagonizes multiple chemoattractant responses that regulate directional cell movement. Genes Dev 18 (2004) 805-815
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Brzostowski, J.A.1
Parent, C.A.2
Kimmel, A.R.3
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4
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30044443294
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Phosphoinositide 3-Kinase activity controls the chemoattractant-mediated activation and adaptation of adenylyl cyclase
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This study shows that both activation and adaptation of adenylyl cyclase require PIP3-dependent processes and that the activation pathway is more sensitive to PIP3 than is the adaptation pathway.
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Comer F.I., and Parent C.A. Phosphoinositide 3-Kinase activity controls the chemoattractant-mediated activation and adaptation of adenylyl cyclase. Mol Biol Cell 17 (2006) 357-366. This study shows that both activation and adaptation of adenylyl cyclase require PIP3-dependent processes and that the activation pathway is more sensitive to PIP3 than is the adaptation pathway.
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(2006)
Mol Biol Cell
, vol.17
, pp. 357-366
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Comer, F.I.1
Parent, C.A.2
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5
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12744280743
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An autoregulatory circuit for long-range self-organization in Dictyostelium cell populations
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This study provides an in-depth analysis of the wave propagation dynamics in several signalling mutants and shows that proper tuning of intracellular and extracellular cAMP is crucial for the centre formation and self-organization of aggregation territories.
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Sawai S., Thomason P.A., and Cox E.C. An autoregulatory circuit for long-range self-organization in Dictyostelium cell populations. Nature 433 (2005) 323-326. This study provides an in-depth analysis of the wave propagation dynamics in several signalling mutants and shows that proper tuning of intracellular and extracellular cAMP is crucial for the centre formation and self-organization of aggregation territories.
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Nature
, vol.433
, pp. 323-326
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Sawai, S.1
Thomason, P.A.2
Cox, E.C.3
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7
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2942687012
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Chemoattractant-induced phosphatidylinositol 3,4,5-trisphosphate accumulation is spatially amplified and adapts, independent of the actin cytoskeleton
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This study conclusively shows that there is an amplification step between sensing of the graded extracellular cAMP signal by the cAMP receptors and the production of intracellular PIP3 as a part of the polarization process.
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Janetopoulos C., Ma L., Devreotes P.N., and Iglesias P.A. Chemoattractant-induced phosphatidylinositol 3,4,5-trisphosphate accumulation is spatially amplified and adapts, independent of the actin cytoskeleton. Proc Natl Acad Sci USA 101 (2004) 8951-8956. This study conclusively shows that there is an amplification step between sensing of the graded extracellular cAMP signal by the cAMP receptors and the production of intracellular PIP3 as a part of the polarization process.
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Proc Natl Acad Sci USA
, vol.101
, pp. 8951-8956
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Janetopoulos, C.1
Ma, L.2
Devreotes, P.N.3
Iglesias, P.A.4
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8
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8444221934
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Localized Ras signaling at the leading edge regulates PI3K, cell polarity, and directional cell movement
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This study shows that RasC is required for PI3K activation in the leading edge and that this results in PIP3 production and polymerization of actin, which then feeds back on the further recruitment of PI3K to the leading edge.
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Sasaki A.T., Chun C., Takeda K., and Firtel R.A. Localized Ras signaling at the leading edge regulates PI3K, cell polarity, and directional cell movement. J Cell Biol 167 (2004) 505-518. This study shows that RasC is required for PI3K activation in the leading edge and that this results in PIP3 production and polymerization of actin, which then feeds back on the further recruitment of PI3K to the leading edge.
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(2004)
J Cell Biol
, vol.167
, pp. 505-518
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Sasaki, A.T.1
Chun, C.2
Takeda, K.3
Firtel, R.A.4
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9
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2942679621
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RasC plays a role in transduction of temporal gradient information in the cyclic-AMP wave of Dictyostelium discoideum
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Wessels D., Brincks R., Kuhl S., Stepanovic V., Daniels K.J., Weeks G., Lim C.J., Spiegelman G., Fuller D., Iranfar N., et al. RasC plays a role in transduction of temporal gradient information in the cyclic-AMP wave of Dictyostelium discoideum. Eukaryot Cell 3 (2004) 646-662
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(2004)
Eukaryot Cell
, vol.3
, pp. 646-662
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Wessels, D.1
Brincks, R.2
Kuhl, S.3
Stepanovic, V.4
Daniels, K.J.5
Weeks, G.6
Lim, C.J.7
Spiegelman, G.8
Fuller, D.9
Iranfar, N.10
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10
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8444247968
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Rac regulation of chemotaxis and morphogenesis in Dictyostelium
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Park K.C., Rivero F., Meili R., Lee S., Apone F., and Firtel R.A. Rac regulation of chemotaxis and morphogenesis in Dictyostelium. EMBO J 23 (2004) 4177-4189
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(2004)
EMBO J
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Park, K.C.1
Rivero, F.2
Meili, R.3
Lee, S.4
Apone, F.5
Firtel, R.A.6
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11
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28844468035
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Regulation of actin assembly by SCAR/WAVE proteins
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Ibarra N., Pollitt A., and Insall R.H. Regulation of actin assembly by SCAR/WAVE proteins. Biochem Soc Trans 33 (2005) 1243-1246
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Biochem Soc Trans
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Ibarra, N.1
Pollitt, A.2
Insall, R.H.3
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12
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0042921214
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PIR121 regulates pseudopod dynamics and SCAR activity in Dictyostelium
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Blagg S.L., Stewart M., Sambles C., and Insall R.H. PIR121 regulates pseudopod dynamics and SCAR activity in Dictyostelium. Curr Biol 13 (2003) 1480-1487
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Curr Biol
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Blagg, S.L.1
Stewart, M.2
Sambles, C.3
Insall, R.H.4
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13
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1942501586
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Novel mechanism of PTEN regulation by its phosphatidylinositol 4,5-bisphosphate binding motif is critical for chemotaxis
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Iijima M., Huang Y.E., Luo H.R., Vazquez F., and Devreotes P.N. Novel mechanism of PTEN regulation by its phosphatidylinositol 4,5-bisphosphate binding motif is critical for chemotaxis. J Biol Chem 279 (2004) 16606-16613
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J Biol Chem
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Iijima, M.1
Huang, Y.E.2
Luo, H.R.3
Vazquez, F.4
Devreotes, P.N.5
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14
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33644870152
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Tumor suppressor PTEN acts through dynamic interaction with the plasma membrane 10.1073/pnas. 0510570103
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This study shows through single molecule analysis that PTEN molecules have a short residence time at the membrane and that Dictyostelium PTEN has a higher affinity for membrane binding sites than mammalian PTEN does, thus explaining the observation that mammalian PTEN is mostly cytosolic. It is further shown that membrane binding is strictly dependent on an N-terminal lipid-binding motif and that phosphorylation in the C-terminal tail affects binding affinity.
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Vazquez F., Matsuoka S., Sellers W.R., Yanagida T., Ueda M., and Devreotes P.N. Tumor suppressor PTEN acts through dynamic interaction with the plasma membrane 10.1073/pnas. 0510570103. Proc Natl Acad Sci USA 103 (2006) 3633-3638. This study shows through single molecule analysis that PTEN molecules have a short residence time at the membrane and that Dictyostelium PTEN has a higher affinity for membrane binding sites than mammalian PTEN does, thus explaining the observation that mammalian PTEN is mostly cytosolic. It is further shown that membrane binding is strictly dependent on an N-terminal lipid-binding motif and that phosphorylation in the C-terminal tail affects binding affinity.
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(2006)
Proc Natl Acad Sci USA
, vol.103
, pp. 3633-3638
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Vazquez, F.1
Matsuoka, S.2
Sellers, W.R.3
Yanagida, T.4
Ueda, M.5
Devreotes, P.N.6
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16
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12844268483
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Quantitative imaging of single live cells reveals spatiotemporal dynamics of multistep signaling events of chemoattractant gradient sensing in Dictyostelium
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This study shows the existence of nonlinear PIP3 production dynamics and corroborates the local-activation global-inhibition model.
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Xu X., Meier-Schellersheim M., Jiao X., Nelson L.E., and Jin T. Quantitative imaging of single live cells reveals spatiotemporal dynamics of multistep signaling events of chemoattractant gradient sensing in Dictyostelium. Mol Biol Cell 16 (2005) 676-688. This study shows the existence of nonlinear PIP3 production dynamics and corroborates the local-activation global-inhibition model.
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(2005)
Mol Biol Cell
, vol.16
, pp. 676-688
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Xu, X.1
Meier-Schellersheim, M.2
Jiao, X.3
Nelson, L.E.4
Jin, T.5
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17
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18244378218
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A Dictyostelium homologue of WASP is required for polarized F-actin assembly during chemotaxis
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Myers S.A., Han J.W., Lee Y., Firtel R.A., and Chung C.Y. A Dictyostelium homologue of WASP is required for polarized F-actin assembly during chemotaxis. Mol Biol Cell 16 (2005) 2191-2206
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Mol Biol Cell
, vol.16
, pp. 2191-2206
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Myers, S.A.1
Han, J.W.2
Lee, Y.3
Firtel, R.A.4
Chung, C.Y.5
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18
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3543062015
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Sensitization of Dictyostelium chemotaxis by phosphoinositide-3-kinase-mediated self-organizing signalling patches
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Postma M., Roelofs J., Goedhart J., Loovers H.M., Visser A.J., and Van Haastert P.J. Sensitization of Dictyostelium chemotaxis by phosphoinositide-3-kinase-mediated self-organizing signalling patches. J Cell Sci 117 (2004) 2925-2935
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J Cell Sci
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Postma, M.1
Roelofs, J.2
Goedhart, J.3
Loovers, H.M.4
Visser, A.J.5
Van Haastert, P.J.6
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20
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18544363096
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A developmentally regulated Na-H exchanger in Dictyostelium discoideum is necessary for cell polarity during chemotaxis
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+ exchanger in cell polarization, actin polymerization and efficient cell movement. The molecular mechanism by which this exchanger affects the above-named process remains unresolved, although evidence points to the fact that local pH must be an important determinant.
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+ exchanger in cell polarization, actin polymerization and efficient cell movement. The molecular mechanism by which this exchanger affects the above-named process remains unresolved, although evidence points to the fact that local pH must be an important determinant.
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(2005)
J Cell Biol
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, pp. 321-329
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Patel, H.1
Barber, D.L.2
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21
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33745384269
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3 during chemoattractant signaling in Dictyostelium: a quantitative in vivo analysis by inhibition of PI3-kinase
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This study shows that there exist alternative pathways for chemotactic signalling, because cells can still orient and move in the presence of inhibition of localised PIP3 formation.
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3 during chemoattractant signaling in Dictyostelium: a quantitative in vivo analysis by inhibition of PI3-kinase. Mol Biol Cell 17 (2006) 1503-1513. This study shows that there exist alternative pathways for chemotactic signalling, because cells can still orient and move in the presence of inhibition of localised PIP3 formation.
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Mol Biol Cell
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, pp. 1503-1513
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Loovers, H.M.1
Postma, M.2
Keizer-Gunnink, I.3
Huang, Y.E.4
Devreotes, P.N.5
van Haastert, P.J.6
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22
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Subsecond reorganization of the actin network in cell motility and chemotaxis
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Diez S., Gerisch G., Anderson K., Muller-Taubenberger A., and Bretschneider T. Subsecond reorganization of the actin network in cell motility and chemotaxis. Proc Natl Acad Sci USA 102 (2005) 7601-7606
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Proc Natl Acad Sci USA
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Diez, S.1
Gerisch, G.2
Anderson, K.3
Muller-Taubenberger, A.4
Bretschneider, T.5
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23
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21044443926
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Computer-assisted analysis of filopod formation and the role of myosin II heavy chain phosphorylation in Dictyostelium
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Heid P.J., Geiger J., Wessels D., Voss E., and Soll D.R. Computer-assisted analysis of filopod formation and the role of myosin II heavy chain phosphorylation in Dictyostelium. J Cell Sci 118 (2005) 2225-2237
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(2005)
J Cell Sci
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Heid, P.J.1
Geiger, J.2
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Voss, E.4
Soll, D.R.5
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24
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20444426470
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The diaphanous-related formin dDia2 is required for the formation and maintenance of filopodia
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Schirenbeck A., Bretschneider T., Arasada R., Schleicher M., and Faix J. The diaphanous-related formin dDia2 is required for the formation and maintenance of filopodia. Nat Cell Biol 7 (2005) 619-625
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(2005)
Nat Cell Biol
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Schirenbeck, A.1
Bretschneider, T.2
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Schleicher, M.4
Faix, J.5
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25
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28844508699
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Formins and VASPs may co-operate in the formation of filopodia
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Schirenbeck A., Arasada R., Bretschneider T., Schleicher M., and Faix J. Formins and VASPs may co-operate in the formation of filopodia. Biochem Soc Trans 33 (2005) 1256-1259
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Schirenbeck, A.1
Arasada, R.2
Bretschneider, T.3
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Faix, J.5
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26
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0037147305
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Requirement of a vasodilator-stimulated phosphoprotein family member for cell adhesion, the formation of filopodia, and chemotaxis in Dictyostelium
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Han Y.H., Chung C.Y., Wessels D., Stephens S., Titus M.A., Soll D.R., and Firtel R.A. Requirement of a vasodilator-stimulated phosphoprotein family member for cell adhesion, the formation of filopodia, and chemotaxis in Dictyostelium. J Biol Chem 277 (2002) 49877-49887
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Han, Y.H.1
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Titus, M.A.5
Soll, D.R.6
Firtel, R.A.7
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27
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Actin activation of myosin heavy chain kinase A in Dictyostelium: a biochemical mechanism for the spatial regulation of myosin II filament disassembly
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Egelhoff T.T., Croft D., and Steimle P.A. Actin activation of myosin heavy chain kinase A in Dictyostelium: a biochemical mechanism for the spatial regulation of myosin II filament disassembly. J Biol Chem 280 (2005) 2879-2887
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Egelhoff, T.T.1
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Steimle, P.A.3
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28
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24344452910
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Multiple myosin II heavy chain kinases: roles in filament assembly control and proper cytokinesis in Dictyostelium
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Yumura S., Yoshida M., Betapudi V., Licate L.S., Iwadate Y., Nagasaki A., Uyeda T.Q., and Egelhoff T.T. Multiple myosin II heavy chain kinases: roles in filament assembly control and proper cytokinesis in Dictyostelium. Mol Biol Cell 16 (2005) 4256-4266
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Yumura, S.1
Yoshida, M.2
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Nagasaki, A.6
Uyeda, T.Q.7
Egelhoff, T.T.8
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Control of cell polarity and chemotaxis by Akt/PKB and PI3 kinase through the regulation of PAKa
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Chung C.Y., Potikyan G., and Firtel R.A. Control of cell polarity and chemotaxis by Akt/PKB and PI3 kinase through the regulation of PAKa. Mol Cell 7 (2001) 937-947
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(2001)
Mol Cell
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Chung, C.Y.1
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Firtel, R.A.3
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Cellular distribution and functions of wild-type and constitutively activated Dictyostelium PakB
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de la Roche M., Mahasneh A., Lee S.F., Rivero F., and Cote G.P. Cellular distribution and functions of wild-type and constitutively activated Dictyostelium PakB. Mol Biol Cell 16 (2005) 238-247
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Mol Biol Cell
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de la Roche, M.1
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Cote, G.P.5
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31
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Dictyostelium PAKc is required for proper chemotaxis
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Lee S., Rivero F., Park K.C., Huang E., Funamoto S., and Firtel R.A. Dictyostelium PAKc is required for proper chemotaxis. Mol Biol Cell 15 (2004) 5456-5469
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Lee, S.1
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Firtel, R.A.6
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32
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19444363399
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RasGEF-containing proteins GbpC and GbpD have differential effects on cell polarity and chemotaxis in Dictyostelium
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This study conclusively shows that cGMP signal transduction is important in chemotaxis.
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Bosgraaf L., Waijer A., Engel R., Visser A.J., Wessels D., Soll D., and van Haastert P.J. RasGEF-containing proteins GbpC and GbpD have differential effects on cell polarity and chemotaxis in Dictyostelium. J Cell Sci 118 (2005) 1899-1910. This study conclusively shows that cGMP signal transduction is important in chemotaxis.
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J Cell Sci
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Bosgraaf, L.1
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A novel cGMP signalling pathway mediating myosin phosphorylation and chemotaxis in Dictyostelium
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Bosgraaf L., Russcher H., Smith J.L., Wessels D., Soll D.R., and Van Haastert P.J. A novel cGMP signalling pathway mediating myosin phosphorylation and chemotaxis in Dictyostelium. EMBO J 21 (2002) 4560-4570
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Bosgraaf, L.1
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Activation of soluble guanylyl cyclase at the leading edge during Dictyostelium chemotaxis
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Veltman D.M., Roelofs J., Engel R., Visser A.J., and Van Haastert P.J. Activation of soluble guanylyl cyclase at the leading edge during Dictyostelium chemotaxis. Mol Biol Cell 16 (2005) 976-983
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Mol Biol Cell
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Veltman, D.M.1
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18044380516
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Intracellular role of adenylyl cyclase in regulation of lateral pseudopod formation during Dictyostelium chemotaxis
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Stepanovic V., Wessels D., Daniels K., Loomis W.F., and Soll D.R. Intracellular role of adenylyl cyclase in regulation of lateral pseudopod formation during Dictyostelium chemotaxis. Eukaryot Cell 4 (2005) 775-786
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Stepanovic, V.1
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36
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Constitutively active protein kinase A disrupts motility and chemotaxis in Dictyostelium discoideum
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Zhang H., Heid P.J., Wessels D., Daniels K.J., Pham T., Loomis W.F., and Soll D.R. Constitutively active protein kinase A disrupts motility and chemotaxis in Dictyostelium discoideum. Eukaryot Cell 2 (2003) 62-75
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Eukaryot Cell
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Zhang, H.1
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4444376844
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Keratocyte-like locomotion in amiB-null Dictyostelium cells
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The authors describe a mutant that shows keratinocyte-like cell movement behaviour and thus provides a genetically tractable model for the study of this mode of behaviour.
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Asano Y., Mizuno T., Kon T., Nagasaki A., Sutoh K., and Uyeda T.Q. Keratocyte-like locomotion in amiB-null Dictyostelium cells. Cell Motil Cytoskeleton 59 (2004) 17-27. The authors describe a mutant that shows keratinocyte-like cell movement behaviour and thus provides a genetically tractable model for the study of this mode of behaviour.
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Asano, Y.1
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TOR complex 2 integrates cell movement during chemotaxis and signal relay in Dictyostelium
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Lee S., Comer F.I., Sasaki A., McLeod I.X., Duong Y., Okumura K., Yates III J.R., Parent C.A., and Firtel R.A. TOR complex 2 integrates cell movement during chemotaxis and signal relay in Dictyostelium. Mol Biol Cell 16 (2005) 4572-4583
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Mol Biol Cell
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Lee, S.1
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Yates III, J.R.7
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The cyclase-associated protein CAP as regulator of cell polarity and cAMP signaling in Dictyostelium
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Noegel A.A., Blau-Wasser R., Sultana H., Muller R., Israel L., Schleicher M., Patel H., and Weijer C.J. The cyclase-associated protein CAP as regulator of cell polarity and cAMP signaling in Dictyostelium. Mol Biol Cell 15 (2004) 934-945
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Propagating chemoattractant waves coordinate periodic cell movement in Dictyostelium slugs
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Dormann D., and Weijer C.J. Propagating chemoattractant waves coordinate periodic cell movement in Dictyostelium slugs. Development 128 (2001) 4535-4543
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