PMID: 8580764Jan 1, 1995Paper

Stimulation of radial expansion in arabidopsis roots by inhibitors of actomyosin and vesicle secretion but not by various inhibitors of metabolism

Planta
T I Baskin, N J Bivens

Abstract

Plant morphogenesis depends on accurate control over growth anisotropy. To learn to what extent the control of growth anisotropy depends on cellular metabolism, we surveyed the response of growing roots to a range of inhibitors. Seedlings of Arabidopsis thaliana L. (Heynh), 7-8 d old, were transplanted onto plates containing an inhibitor, and elongation and radial expansion of roots were measured over the subsequent 2-d period. Fourteen inhibitors of diverse metabolic processes inhibited root elongation but failed to stimulate radial expansion. These inhibitors were aluminum sulfate, aphidicolin (DNA synthesis), caffeine (cell-plate formation), cisplatin (DNA synthesis), cycloheximide (protein synthesis), 3,4-dehydro-L-proline (proline hydroxylation), 6-dimethylaminopurine (protein kinases), dinitrophenol (mitochondrial ATP synthesis), galactose (UDP-glucose formation), Lovastatin, formerly mevinolin (isoprenoid formation), methionine sulfoximine (glutamine synthetase), methotrexate (folate metabolism), XRD-489 (synthesis of branched-chain amino acids), and high or low calcium treatments. These results show that various types of metabolic disruption, although inhibitory to elongation, do not reduce the high degree of anisotropi...Continue Reading

Citations

Mar 4, 1998·Current Opinion in Cell Biology·D L KropfW E Hable
Dec 24, 2002·Current Opinion in Plant Biology·Laurie G Smith
Dec 23, 1999·Current Opinion in Plant Biology·B KostN H Chua
Jun 23, 2010·Journal of Experimental Botany·Nicole FreyPeter Nick
May 4, 2006·Annual Review of Plant Biology·Patrick J HusseyMichael J Deeks
Oct 11, 2005·Annual Review of Cell and Developmental Biology·Laurie G Smith, David G Oppenheimer
Jan 21, 2004·The Plant Journal : for Cell and Molecular Biology·Huanquan ZhengIan Moore
Oct 28, 2010·Journal of Integrative Plant Biology·Yue ZhouYan Guo
Sep 27, 2005·Current Opinion in Plant Biology·Alex Bannigan, Tobias I Baskin
Jun 7, 2005·Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)·G V Shevchenko, E L Kordyum
Sep 7, 2011·Plant & Cell Physiology·Miriam AkkermanTijs Ketelaar
Oct 29, 2004·Plant & Cell Physiology·Keisuke FunakiKeiichi Yamamoto
Aug 6, 2004·Plant & Cell Physiology·Carola HolwegPeter Nick

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