Cytoplasmic streaming in plants

Shimmen, Teruo; Yokota, Etsuo

doi:10.1016/j.ceb.2003.11.009

Cited by 257 publications

(196 citation statements)

References 33 publications

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“…Phylogenetic analysis has placed these myosins into two plant-specific subfamilies, Myosin VIII with four members and Myosin XI with 13 members (Berg et al, 2001;Reddy and Day, 2001a), which are more closely related to animal and fungal Myosin Vs than to other myosins. Several review articles have been devoted to summarizing early discoveries of plant myosins (Yamamoto et al, 1999;Shimmen et al, 2000;Shimmen and Yokota, 2004). Here, we only summarize recent findings on Myosin XI.…”

Section: Seventeen Arabidopsis Myosinsmentioning

confidence: 99%

Cytoskeletal Motors in Arabidopsis. Sixty-One Kinesins and Seventeen Myosins

2004

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Section: Seventeen Arabidopsis Myosinsmentioning

confidence: 99%

Cytoskeletal Motors in Arabidopsis. Sixty-One Kinesins and Seventeen Myosins

2004

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“…Plant myosins are among the fastest known in nature, and the myosin XI found in Chara can move at speeds U ∼ 100 µm s −1 (Shimmen & Yokota 2004), more than an order of magnitude faster than kinesins. The fluid flows created by these moving proteins can be as fast as the motors, and with the characteristic size L of these cells, say the diameter, approaching 1 mm, and D ∼ 10 −5 cm 2 s −1 a molecularscale diffusion constant, we see that the Péclet number Pe = UL/D can be ∼10 2 and considerably larger for higher molecular weight species.…”

Section: Cytoplasmic Streamingmentioning

confidence: 99%

Batchelor Prize Lecture Fluid dynamics at the scale of the cell

Goldstein

2016

J. Fluid Mech.

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The world of cellular biology provides us with many fascinating fluid dynamical phenomena that lie at the heart of physiology, development, evolution and ecology. Advances in imaging, micromanipulation and microfluidics over the past decade have made possible high-precision measurements of such flows, providing tests of microhydrodynamic theories and revealing a wealth of new phenomena calling out for explanation. Here I summarize progress in four areas within the field of 'active matter': cytoplasmic streaming in plant cells, synchronization of eukaryotic flagella, interactions between swimming cells and surfaces and collective behaviour in suspensions of microswimmers. Throughout, I emphasize open problems in which fluid dynamical methods are key ingredients in an interdisciplinary approach to the mysteries of life.

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“…In plants, most of the endomembrane compartments are 440 in constant movement together with the cytoplasmic 441 streaming whereby cellular metabolites are distributed 442 throughout the cell (Shimmen and Yokota 2004 Uemura et al 2002;Yang et al 2005). (Novick and Botstein 1985).…”

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confidence: 99%

Actin acting at the Golgi

Egea

Serra‐Peinado

Salcedo-Sicilia

et al. 2013

Histochem Cell Biol

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7 Abstract The organization, assembly and remodeling of 8 the actin cytoskeleton provide force and tracks for a variety 9 of (endo)membrane-associated events such as membrane 10 trafficking. This review illustrates in different cellular 11 models how actin and many of its numerous binding and 12 regulatory proteins (actin and co-workers) participate in the 13 structural organization of the Golgi apparatus and in traf-14 ficking-associated processes such as sorting, biogenesis and 15 motion of Golgi-derived transport carriers. 16 17 Keywords Golgi apparatus Á Cytoskeleton Á Actin Á 18 Spectrin Á Myosin Á Rho GTPases Introduction 20The function of the Golgi apparatus is the result of a 21 complex interaction between the molecules that establish 22 its architecture, those that determine protein transport and 23 those that integrate signals from either outside or inside the 24 cell. Cytoskeletal elements (microtubules, actin filaments 25 or microfilaments and intermediate filaments) integrate 26 these processes. Association and coordination between 27 them as well as their respective binding and regulatory 28 proteins are present in the majority of endomembrane 29 systems, including the Golgi apparatus. While its basic 30 function is highly conserved, the Golgi varies greatly in 31 shape and number from one organism to another. Briefly, it 32 ranges from dispersed cisternae or isolated tubular net-33 works as occurs in algae, protozoa and the yeast Saccha-34 romyces cerevisiae, to a pile of flattened cisternae aligned 35 in parallel and known as the Golgi stack. This, depending 36 on the organism examined, could be present in a single 37 (fungi and the yeast Pichia pastoris) or multiple copies, the 38 latter being scattered throughout the cytoplasm (plants and 39 Drosophila) or organized as a ribbon around centrioles 40 (vertebrates) (daSilva et al. 2004; Hawes and Satiat-Je-41 unemaitre 2005; He et al. 2004;He2007; Henderson et al. 42 2007; Kondylis and Rabouille 2003; Ladinsky et al. 1999; 43 Lowe 2011; Mogelsvang et al. 2003; Pelletier et al. 2002; 44 Preuss et al. 1992;Rambourg and Clermont 1986; Ram-45 bourg et al. 2001;Ramírez and Lowe 2009; Rios and 46 Bornens 2003; Rossanese et al. 1999). The cytoskeleton 47 determines the location of the Golgi, and depending on the 48 cellular model, either microtubules or actin filaments have 49 the greater influence (Egea and Rios 2008), the impact of 50 intermediate filaments being very limited (Gao and Sztul 51 2001; Gao et al. 2002;Styers et al. 2006; Toivola et al. 52 2005). Historically, microtubules were the first cytoskele-53 ton element to be linked to the Golgi structure and function 54 (Thyberg and Moskalewski 1999), and only later was it 55 firmly established that actin and associated proteins (actin 56 et al.) also played a significant role (for recent reviews see 44Histochem Cell Biol DOI 10.1007/s00418-013-1115 Author Proof U N C O R R E C T E D P R O O F63 between the actin-based cytoskeleton and the Golgi in a 64 variety of cellular models ...

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Cytoplasmic streaming in plants

Cited by 257 publications

References 33 publications

Cytoskeletal Motors in Arabidopsis. Sixty-One Kinesins and Seventeen Myosins

Cytoskeletal Motors in Arabidopsis. Sixty-One Kinesins and Seventeen Myosins

Batchelor Prize Lecture Fluid dynamics at the scale of the cell

Actin acting at the Golgi

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