ArticlePlant physiology1997
The organization of the actin cytoskeleton in vertical and graviresponding primary roots of maize.
Article in Plant physiology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Gravity sensing and responses in the coordination of the shoot gravitropic setpoint angle.The New phytologist · 2022Review
- Plants in Microgravity: Molecular and Technological Perspectives.International journal of molecular sciences · 2022Review
- Bundling up the Role of the Actin Cytoskeleton in Primary Root Growth.Frontiers in plant science · 2021Review
- Brassinosteroids Inhibit Autotropic Root Straightening by Modifying Filamentous-Actin Organization and Dynamics.Frontiers in plant science · 2020Article
- Transient alkalinization of the leaf apoplast stiffens the cell wall during onset of chloride salinity in corn leaves.The Journal of biological chemistry · 2017Article
- New insights into root gravitropic signalling.Journal of experimental botany · 2015Review
- Three cotton genes preferentially expressed in flower tissues encode actin-depolymerizing factors which are involved in F-actin dynamics in cells.Journal of experimental botany · 2010Article
- Actin turnover-mediated gravity response in maize root apices: gravitropism of decapped roots implicates gravisensing outside of the root cap.Plant signaling & behavior · 2006Article
- The onset of gravisensitivity in the embryonic root of flax.Plant physiology · 2006Article
- How to activate a plant gravireceptor. Early mechanisms of gravity sensing studied in characean rhizoids during parabolic flights.Plant physiology · 2005Article
- The cotton ACTIN1 gene is functionally expressed in fibers and participates in fiber elongation.The Plant cell · 2005Article
- The role of actin filaments in the gravitropic response of snapdragon flowering shoots.Planta · 2003Article
- Enhanced gravitropism of roots with a disrupted cap actin cytoskeleton.Plant physiology · 2003Article
- Mutations in the gravity persistence signal loci in Arabidopsis disrupt the perception and/or signal transduction of gravitropic stimuli.Plant physiology · 2002Article
- Disruption of the actin cytoskeleton results in the promotion of gravitropism in inflorescence stems and hypocotyls of Arabidopsis.Plant physiology · 2002Article
- Amyloplast sedimentation dynamics in maize columella cells support a new model for the gravity-sensing apparatus of roots.Plant physiology · 2001Article
- Comparison of cryofixation and aldehyde fixation for plant actin immunocytochemistry: aldehydes do not destroy F-actin.The Histochemical journal · 2000Article
- Impacts of aluminum on the cytoskeleton of the maize root apex. short-term effects on the distal part of the transition zonePlant physiology · 1999Article
- Alterations in the cytoskeleton accompany aluminum-induced growth inhibition and morphological changes in primary roots of maizePlant physiology · 1998Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To determine whether actin microfilament (MF) organization is correlated with differential elongation, primary roots of Zea mays cv Merit maintained vertically or reoriented horizontally for 15 to 120 min were stained with rhodamine phalloidin and examined with a confocal microscope. Root curvature was measured with a computer-controlled video digitizer. In vertical roots bundles of MFs in the elongation and maturation zone were oriented parallel to the longitudinal axis of cells. MFs in the vascular parenchyma cells were more abundant than in the cortex and epidermis. Epidermal and proendodermal cells in the meristematic region contained transverse cortical MFs. The organization of MFs of graviresponding roots was similar to that of vertical roots. Application of cytochalasin B or cytochalasin D resulted in extensive disruption of MFs in the cortex and epidermis, but only partially affected MFs in the stele. Despite the cytochalasin B-induced depolymerization of MFs, gravicurvature exceeded that of controls. In contrast, the auxin transport inhibitor N-1 naphthylphthalamic acid suppressed root curvature but had no observable effect on the integrity of the MFs. The data indicate that MFs may not be involved in the graviresponse of maize roots.
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