Professor Robyn Overall

A12 - Macleay Building
The University of Sydney

Telephone +61 2 9351 2848
Fax +61 2 9351 2558

Website Room 510, Level 5, F07 - Carslaw Building

Research interests

I am interested in the structure and function of plasmodesmata, the channels responsible for intercellular transport of ions, metabolites, signals and viruses in plants. Despite their fundamental importance in plant development physiology and health, little is known of the details of the mode of transport through these channels and the mechanisms used to regulate their permeablity. In order to identify the macromolecular architecture of plasmodesmata we are using both direct isolation of plasmodesmatal proteins and immuno-gold cytochemistry with antibodies to known proteins. The details of their structure are being probed using high resolution scanning electron microscopy and freeze-substitution. The function of plasmodesmata is monitored using either electrophysiological techniques or microinjection of fluorescently labelled dyes.

The shape of plant cells and tissues is orchestrated by the precise alignment of inelastic cellulose microfibrils in the cell wall, which is in turn oriented by the microtubules in the cortex of plant cells. However, it is not known what controls the orientation of these cortical microtubules. We are attempting to answer this question, in particular assessing a possible role for electrical and mechanical fields.

Plants generate steady electrical fields around themselves which can be measured with a vibrating probe. We are assessing the hypothesis that these fields play a central role in the development and maintenance of polarity and co-ordination in growth of plant tissues by studying the effects of small applied electric fields on the orientation of cell expansion and polar auxin transport. Studying the electric field induced re-orientations of cortical microtubules have led us to be interested in the detailed mechanism of this reorientation. We have been studying the details of microtubule dynamics in living plant cells following microinjection of fluorescently labelled tubulin. We are also attempting to identify the component which perceives the electric field and transduces the orienting signal to the microtubules.

My laboratory is well equipped with a Zeiss confocal scanning laser microscope, microinjection apparatus and electrophysiological set-ups.

Selected grants

2014

  • La Vision BioTec Ultramicroscope; Murphy C, Hambly B, Braet F, Lyons J, Keay K, Lovelace M, Mason R, Overall R, Fraser S, Weiss A, Goldsbury C, Johnstone D, Richardson D, Halliday G, Stone J, Byrne M, Chan-Ling T, Owens T; National Health and Medical Research Council (NHMRC)/Equipment Grants.

2013

  • An automated 3D electron microscopy imaging system comprising a 3View2 and field-emission scanning electron microscope; Liu Z, Chen M, Copeland L, Crawford J, Langrish T, Li Q, Mai Y, Overall R, Weiss A, Ye L; DVC Research/Equipment Grant.
  • A high-throughput, bright-field and fluorescence digital slide scanning platform and service that is both research and teaching-focused and available University-wide.; King N, Graeber M, Naylor M, Slapeta J, Quinnell R, Charles (nee Slaviero) K, Owens T, Bourne R, Braet F, Hambly B, Overall R, Stone J, Twigg S, Hardikar A, Halliday G, Richardson D, Byrne M, Keay K, Marsh D, Howell V, Pollock C, Chen X; DVC Research/Equipment Grant.

2012

  • Nutrient transfer across symbiotic membranes in soybean; Udvardi M, Poole P, Smith P, Overall R; Australian Research Council (ARC)/Discovery Projects (DP).

2010

  • A 5-D Correlative Imaging Platform: Combining the Strengths of Light and Electron Microscopy; Braet F, Mitchell H, Soon L, Overall R, Day D, Waterhouse P, Marc J, Conigrave A, Weiss A, Newsome T, Meikle S, Goetz J, Goldsbury C, Hambley T, Ramzan I, Young P, Traini D, Grewal (, Fleming S, Murphy C, Grau G, Weninger W, dos Remedios C, Wimmer-Kleikamp S, Munroe P, Stevens-Kalceff M, Foster L, Killingsworth M; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).

2008

  • High Resolution Field Emission Scanning Electron Microscopy (FESEM) Platform for Characterisation at; Ringer S, Barton G, Ramzan I, Copeland L, Potts D, Braet F, Grillet C, Lay P, Murphy C, Cairney J, Ferry M, Eggleton B, McKenzie D, Masters A, Parker A, Overall R, Weiss A, Ruys A, Sorrell C, Ye L, Harris A, Ranzi G; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).
  • High-Resolution Field Emission Scanning Electron Microscopy (FESEM) Platform for Characterisation at the Nanometre-Level; Cairney J, Ringer S, Braet F, Ferry M, Sorrell C, Ye L, Ruys A, Barton G, Harris A, Ranzi G, Eggleton B, Grillet C, Mckenzie D, Lay P, Masters A, Parker A, Overall R, Weiss A, Murphy C, Ramzan I, Copeland L, Potts D; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).

2007

  • Climate controlled physical containment 2 (PC2) and pathogen/insect contained glasshouse facility; Day D, Guest D, Warren C, Simpson S, Kennedy I, Overall R, Smith P, McArthur C, Mansfield S, Gardiner J, McConchie R, Copeland L, Kecskes M; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).
  • Visiting Scholar grant from home institution to cover research expenses; Overall R; College of Charlston (USA)/Research Support.

2005

  • Plant Biology 2005 Conference (Seattle) And Lab Visit To Montreal, Canada; Overall R, Cantrill L; Grains Research and Development Corporation/Travel Support.
  • Proteins involved in intercellular transport in plants; Overall R; University of Sydney/Bridging Support.

2004

  • The cell biology of cold-induced male sterility in wheat; Overall R, Sutton B, Cantrill L; Grains Research and Development Corporation/Research Grants.

2003

  • Mechanism of polar auxin transport in corn coleoptiles; Overall R; DVC Research/Research and Development Scheme: Research and Development (R&D).

2002

  • Intercellular communication in plants; Overall R; DVC Research/Bridging Support Grant.
  • Intercellular alignment of plant microtubules; Overall R; DVC Research/Research and Development Scheme: Research and Development (R&D).

2001

  • Intercellular communication via plant endomembrane network; Overall R; Australian Research Council (ARC)/Large Research Grants (LRG).

2000

  • High resolution studies of plant microtubule dynamics; Overall R; Australian Research Council (ARC)/Large Research Grants (LRG).
  • Function of the centrin protein in higher plants: a key component of cellular organisation; Overall R, Marc J; Australian Research Council (ARC)/Large Research Grants (LRG).
  • Connections between plasmodesmata and surrounding wall.; Overall R; Australian Research Council (ARC)/Small Grants.

Selected publications

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Journals

  • Ambrose, J., Ruan, Y., Gardiner, J., Tamblyn, L., Catching, A., Kirik, V., Marc, J., Overall, R., Wasteneys, G. (2013). CLASP Interacts with Sorting Nexin 1 to Link Microtubules and Auxin Transport via PIN2 Recycling in Arabidopsis thaliana. Developmental Cell, 24(6), 649-659. [More Information]
  • Jahn, K., Barton, D., Kobayashi, K., Ratinac, K., Overall, R., Braet, F. (2012). Correlative microscopy: Providing new understanding in the biomedical and plant sciences. Micron, 43, 565-582. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2012). Distant plant homologues: don't throw out the baby. Trends in Plant Science, 17(3), 126-128. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2012). Plant microtubule cytoskeleton complexity: microtubule arrays as fractals. Journal of Experimental Botany, 63(2), 635-642. [More Information]
  • Fujita, M., Lechner, B., Barton, D., Overall, R., Wasteneys, G. (2012). The missing link: do cortical microtubules define plasma membrane nanodomains that modulate cellulose biosynthesis? Protoplasma, 249(SUPPL.1), S59-S67. [More Information]
  • Barton, D., Cole, L., Collings, D., Liu, D., Smith, P., Day, D., Overall, R. (2011). Cell-to-cell transport via the lumen of the endoplasmic reticulum. Plant Journal, 66(5), 806-817. [More Information]
  • Brecknock, S., Dibbayawan, T., Vesk, M., Vesk, P., Faulkner, C., Barton, D., Overall, R. (2011). High resolution scanning electron microscopy of plasmodesmata. Planta: an international journal of plant biology, 234(4), 749-758. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2011). PDZ Domain Proteins: 'Dark Matter' of the Plant Proteome? Molecular Plant, 4(6), 933-937. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2011). Putative Arabidopsis homologues of metazoan coiled-coil cytoskeletal proteins. Cell Biology International, 35(8), 767-774. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2011). The Microtubule Cytoskeleton Acts as a Key Downstream Effector of Neurotransmitter Signaling. Synapse (New York), 65(3), 249-256. [More Information]
  • Emery, N., Offord, C., Wardle, G., Henwood, M., Overall, R. (2011). Variation in seed dormancy among populations of the fire-ephemeral flannel flower, Actinotus helianthi. Orbit: University of Sydney Undergraduate Research Journal, 2(1), 22-28.
  • Barton, D., Overall, R. (2010). Cryofixation rapidly preserves cytoskeletal arrays of leaf epidermal cells revealing microtubule co-alignments between neighbouring cells and adjacent actin and microtubule bundles in the cortex. Journal of Microscopy, 237(1), 79-88.
  • Mamun, M., Cantrill, L., Overall, R., Sutton, B. (2010). Mechanism of low-temperature-induced pollen failure in rice. Cell Biology International, 34(5), 469-476. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2010). The Fractal Nature of the Brain: EEG Data Suggests That the Brain Functions as a "Quantum Computer" in 5-8 Dimensions. NeuroQuantology, 8(2), 137-141.
  • Faulkner, C., Blackman, L., Collings, D., Cordwell, S., Overall, R. (2009). Anti-tropomyosin antibodies co-localise with actin microfilaments and label plasmodesmata. European Journal of Cell Biology, 88, 357-369. [More Information]
  • Barton, D., Braet, F., Marc, J., Overall, R., Gardiner, J. (2009). ELP3 localises to mitochondria and actin-rich domains at edges of HeLa cells. Neuroscience Letters, 455(1), 60-64.
  • Gardiner, J., Barton, D., Overall, R., Marc, J. (2009). Neurotrophic Support and Oxidative Stress: Converging Effects in the Normal and Diseased Nervous System. Neuroscientist: a review journal bridging neurobiology, neurology and psychiatry, 15(1), 47-61.
  • Barton, D., Gardiner, J., Overall, R. (2009). Towards correlative imaging of plant cortical microtubule arrays: combining ultrastructure with real-time microtubule dynamics. Journal of Microscopy, 235(3), 241-251.
  • Barton, D., Vantard, M., Overall, R. (2008). Analysis of cortical arrays from Tradescantia virginiana at high resolution reveals discrete microtubule subpopulations and demonstrates that confocal images of arrays can be misleading. Plant Cell, 20(4), 982-994.
  • Gardiner, J., McGee, P., Overall, R., Marc, J. (2008). Are histones, tubulin, and actin derived from a common ancestral protein? Protoplasma, 233(DOI 10.1007/s00709-008-0305-z), 1-5. [More Information]
  • Gardiner, J., Marc, J., Overall, R. (2008). Cytoskeletal thermal ratchets and cytoskeletal tensegrity: determinants of brain asymmetry and symmetry? Frontiers in Bioscience, 13(12), 4649-4656.
  • Gardiner, J., Barton, D., Vanslambrouck, J., Braet, F., Hall, D., Marc, J., Overall, R. (2008). Defects in tongue papillae and taste sensation indicate a problem with neurotrophic support in various neurological diseases. Neuroscientist: a review journal bridging neurobiology, neurology and psychiatry, 14(3), 240-250.
  • Gardiner, J., Overall, R., Marc, J. (2008). Do salivary neurotrophic factors provide neurotrophic support to neurons of the central and peripheral nervous systems including nerves innervating papillae on the tongue? Bioscience Hypotheses, 1(5), 251-254. [More Information]
  • Liu, D., Kuhlmey, B., Smith, P., Day, D., Faulkner, C., Overall, R. (2008). Reflection across plant cell boundaries in confocal laser scanning microscopy. Journal of Microscopy, 231(2), 349-357.
  • Gardiner, J., Andreeva, Z., Barton, D., Ritchie, A., Overall, R., Marc, J. (2008). The phospholipase A2 inhibitor, aristolochic acid, disrupts cortical microtubule arrays and root growth in Arabidopsis. Plant Biology, 10(6), 725-731.
  • Gardiner, J., Barton, D., Marc, J., Overall, R. (2007). Potential role of tubulin acetylation and microtubule-based protein trafficking in familial dysautonomia. Traffic: the international journal of intracellular transport, 8(9), 1145-1149.
  • Bannigan, A., Wiedemeier, A., Williamson, R., Overall, R., Baskin, T. (2006). Cortical microtubule arrays lose uniform alignment between cells and are oryzalin resistant in the Arabidopsis mutant, radially swollen 6. Plant and Cell Physiology, 47(7), 949-958.
  • Mamun, M., Alfred, S., Cantrill, L., Overall, R., Sutton, B. (2006). Effects of chilling on male gametophyte development in rice. Cell Biology International, 30(7), 583-591. [More Information]
  • Barton, D., Overall, R. (2006). Structure and Organisation of Interphase Microtubule Arrays: FESEM Provides a MAP. Microscopy and Microanalysis, 12(Supp 2), 426-427.
  • Mamun, M., Cantrill, L., Overall, R., Sutton, B. (2005). Cellular organisation and differentiation of organelles in pre-meiotic rice anthers. Cell Biology International, 29(9), 792-802. [More Information]
  • Mamun, M., Cantrill, L., Overall, R., Sutton, B. (2005). Cellular organisation in meiotic and early post-meiotic rice anthers. Cell Biology International, 29(11), 903-913. [More Information]
  • Cantrill, L., Overall, R., Goodwin, P. (2005). Changes in macromolecular movement accompany organogenesis in thin cell layers of Torenia fournieri. Planta: an international journal of plant biology, 222(6), 933-946. [More Information]
  • Faulkner, C., Blackman, L., Cordwell, S., Overall, R. (2005). Proteomic identification of putative plasmodesmatal proteins from Chara corallina. Proteomics, 5(11), 2866-2875. [More Information]
  • Lang, I., Barton, D., Overall, R. (2004). Membrane-Wall Attachments In Plasmolysed Plant Cells. Protoplasma, 224(3-4), 231-243. [More Information]
  • Whiffen, L., Dibbayawan, T., Overall, R. (2002). High resolution microscopy of cell wall formation in regenerating Mougeotia (Chlorophyceae) protoplasts. European Journal of Phycology, 37(3), 339-347.
  • Collings, D., Harper, J., Marc, J., Overall, R., Mullen, R. (2002). Life in the fast lane: actin-based motility of plant peroxisomes. Canadian Journal Of Botany-Revue Canadienne De Botanique, 80(4), 430-441.
  • Cantrill, L., Overall, R., Goodwin, P. (2001). Changes in symplastic permeability during adventitious shoot regeneration in tobacco thin cell layers. Planta: an international journal of plant biology, 214, 206-214.
  • Holdaway, T., Overall, R., Walker, N., Reid, R., Hepler,, P. (2001). Cytoplasmic acidification with butyric acid does not alter the ionic conductivity of plasmodesmata. Protoplasma, 215, 184-190.
  • Overall, R., Dibbayawan, T., Blackman, L. (2001). Intercellular alignments of the plant cytoskeleton. Journal of Plant Growth Regulation, 20, 162-169.
  • Blackman, L., Overall, R. (2001). Structure and function of plasmodesmata. Australian Journal of Plant Physiology, 28, 709-727.

2013

  • Ambrose, J., Ruan, Y., Gardiner, J., Tamblyn, L., Catching, A., Kirik, V., Marc, J., Overall, R., Wasteneys, G. (2013). CLASP Interacts with Sorting Nexin 1 to Link Microtubules and Auxin Transport via PIN2 Recycling in Arabidopsis thaliana. Developmental Cell, 24(6), 649-659. [More Information]

2012

  • Jahn, K., Barton, D., Kobayashi, K., Ratinac, K., Overall, R., Braet, F. (2012). Correlative microscopy: Providing new understanding in the biomedical and plant sciences. Micron, 43, 565-582. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2012). Distant plant homologues: don't throw out the baby. Trends in Plant Science, 17(3), 126-128. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2012). Plant microtubule cytoskeleton complexity: microtubule arrays as fractals. Journal of Experimental Botany, 63(2), 635-642. [More Information]
  • Fujita, M., Lechner, B., Barton, D., Overall, R., Wasteneys, G. (2012). The missing link: do cortical microtubules define plasma membrane nanodomains that modulate cellulose biosynthesis? Protoplasma, 249(SUPPL.1), S59-S67. [More Information]

2011

  • Barton, D., Cole, L., Collings, D., Liu, D., Smith, P., Day, D., Overall, R. (2011). Cell-to-cell transport via the lumen of the endoplasmic reticulum. Plant Journal, 66(5), 806-817. [More Information]
  • Brecknock, S., Dibbayawan, T., Vesk, M., Vesk, P., Faulkner, C., Barton, D., Overall, R. (2011). High resolution scanning electron microscopy of plasmodesmata. Planta: an international journal of plant biology, 234(4), 749-758. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2011). PDZ Domain Proteins: 'Dark Matter' of the Plant Proteome? Molecular Plant, 4(6), 933-937. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2011). Putative Arabidopsis homologues of metazoan coiled-coil cytoskeletal proteins. Cell Biology International, 35(8), 767-774. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2011). The Microtubule Cytoskeleton Acts as a Key Downstream Effector of Neurotransmitter Signaling. Synapse (New York), 65(3), 249-256. [More Information]
  • Emery, N., Offord, C., Wardle, G., Henwood, M., Overall, R. (2011). Variation in seed dormancy among populations of the fire-ephemeral flannel flower, Actinotus helianthi. Orbit: University of Sydney Undergraduate Research Journal, 2(1), 22-28.

2010

  • Barton, D., Overall, R. (2010). Cryofixation rapidly preserves cytoskeletal arrays of leaf epidermal cells revealing microtubule co-alignments between neighbouring cells and adjacent actin and microtubule bundles in the cortex. Journal of Microscopy, 237(1), 79-88.
  • Mamun, M., Cantrill, L., Overall, R., Sutton, B. (2010). Mechanism of low-temperature-induced pollen failure in rice. Cell Biology International, 34(5), 469-476. [More Information]
  • Gardiner, J., Overall, R., Marc, J. (2010). The Fractal Nature of the Brain: EEG Data Suggests That the Brain Functions as a "Quantum Computer" in 5-8 Dimensions. NeuroQuantology, 8(2), 137-141.

2009

  • Faulkner, C., Blackman, L., Collings, D., Cordwell, S., Overall, R. (2009). Anti-tropomyosin antibodies co-localise with actin microfilaments and label plasmodesmata. European Journal of Cell Biology, 88, 357-369. [More Information]
  • Barton, D., Braet, F., Marc, J., Overall, R., Gardiner, J. (2009). ELP3 localises to mitochondria and actin-rich domains at edges of HeLa cells. Neuroscience Letters, 455(1), 60-64.
  • Gardiner, J., Barton, D., Overall, R., Marc, J. (2009). Neurotrophic Support and Oxidative Stress: Converging Effects in the Normal and Diseased Nervous System. Neuroscientist: a review journal bridging neurobiology, neurology and psychiatry, 15(1), 47-61.
  • Barton, D., Gardiner, J., Overall, R. (2009). Towards correlative imaging of plant cortical microtubule arrays: combining ultrastructure with real-time microtubule dynamics. Journal of Microscopy, 235(3), 241-251.

2008

  • Barton, D., Vantard, M., Overall, R. (2008). Analysis of cortical arrays from Tradescantia virginiana at high resolution reveals discrete microtubule subpopulations and demonstrates that confocal images of arrays can be misleading. Plant Cell, 20(4), 982-994.
  • Gardiner, J., McGee, P., Overall, R., Marc, J. (2008). Are histones, tubulin, and actin derived from a common ancestral protein? Protoplasma, 233(DOI 10.1007/s00709-008-0305-z), 1-5. [More Information]
  • Gardiner, J., Marc, J., Overall, R. (2008). Cytoskeletal thermal ratchets and cytoskeletal tensegrity: determinants of brain asymmetry and symmetry? Frontiers in Bioscience, 13(12), 4649-4656.
  • Gardiner, J., Barton, D., Vanslambrouck, J., Braet, F., Hall, D., Marc, J., Overall, R. (2008). Defects in tongue papillae and taste sensation indicate a problem with neurotrophic support in various neurological diseases. Neuroscientist: a review journal bridging neurobiology, neurology and psychiatry, 14(3), 240-250.
  • Gardiner, J., Overall, R., Marc, J. (2008). Do salivary neurotrophic factors provide neurotrophic support to neurons of the central and peripheral nervous systems including nerves innervating papillae on the tongue? Bioscience Hypotheses, 1(5), 251-254. [More Information]
  • Liu, D., Kuhlmey, B., Smith, P., Day, D., Faulkner, C., Overall, R. (2008). Reflection across plant cell boundaries in confocal laser scanning microscopy. Journal of Microscopy, 231(2), 349-357.
  • Gardiner, J., Andreeva, Z., Barton, D., Ritchie, A., Overall, R., Marc, J. (2008). The phospholipase A2 inhibitor, aristolochic acid, disrupts cortical microtubule arrays and root growth in Arabidopsis. Plant Biology, 10(6), 725-731.

2007

  • Gardiner, J., Barton, D., Marc, J., Overall, R. (2007). Potential role of tubulin acetylation and microtubule-based protein trafficking in familial dysautonomia. Traffic: the international journal of intracellular transport, 8(9), 1145-1149.

2006

  • Bannigan, A., Wiedemeier, A., Williamson, R., Overall, R., Baskin, T. (2006). Cortical microtubule arrays lose uniform alignment between cells and are oryzalin resistant in the Arabidopsis mutant, radially swollen 6. Plant and Cell Physiology, 47(7), 949-958.
  • Mamun, M., Alfred, S., Cantrill, L., Overall, R., Sutton, B. (2006). Effects of chilling on male gametophyte development in rice. Cell Biology International, 30(7), 583-591. [More Information]
  • Barton, D., Overall, R. (2006). Structure and Organisation of Interphase Microtubule Arrays: FESEM Provides a MAP. Microscopy and Microanalysis, 12(Supp 2), 426-427.

2005

  • Mamun, M., Cantrill, L., Overall, R., Sutton, B. (2005). Cellular organisation and differentiation of organelles in pre-meiotic rice anthers. Cell Biology International, 29(9), 792-802. [More Information]
  • Mamun, M., Cantrill, L., Overall, R., Sutton, B. (2005). Cellular organisation in meiotic and early post-meiotic rice anthers. Cell Biology International, 29(11), 903-913. [More Information]
  • Cantrill, L., Overall, R., Goodwin, P. (2005). Changes in macromolecular movement accompany organogenesis in thin cell layers of Torenia fournieri. Planta: an international journal of plant biology, 222(6), 933-946. [More Information]
  • Faulkner, C., Blackman, L., Cordwell, S., Overall, R. (2005). Proteomic identification of putative plasmodesmatal proteins from Chara corallina. Proteomics, 5(11), 2866-2875. [More Information]

2004

  • Lang, I., Barton, D., Overall, R. (2004). Membrane-Wall Attachments In Plasmolysed Plant Cells. Protoplasma, 224(3-4), 231-243. [More Information]

2002

  • Whiffen, L., Dibbayawan, T., Overall, R. (2002). High resolution microscopy of cell wall formation in regenerating Mougeotia (Chlorophyceae) protoplasts. European Journal of Phycology, 37(3), 339-347.
  • Collings, D., Harper, J., Marc, J., Overall, R., Mullen, R. (2002). Life in the fast lane: actin-based motility of plant peroxisomes. Canadian Journal Of Botany-Revue Canadienne De Botanique, 80(4), 430-441.

2001

  • Cantrill, L., Overall, R., Goodwin, P. (2001). Changes in symplastic permeability during adventitious shoot regeneration in tobacco thin cell layers. Planta: an international journal of plant biology, 214, 206-214.
  • Holdaway, T., Overall, R., Walker, N., Reid, R., Hepler,, P. (2001). Cytoplasmic acidification with butyric acid does not alter the ionic conductivity of plasmodesmata. Protoplasma, 215, 184-190.
  • Overall, R., Dibbayawan, T., Blackman, L. (2001). Intercellular alignments of the plant cytoskeleton. Journal of Plant Growth Regulation, 20, 162-169.
  • Blackman, L., Overall, R. (2001). Structure and function of plasmodesmata. Australian Journal of Plant Physiology, 28, 709-727.

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