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butanedione/arabidopsis
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7 resultados
Myosin inhibitors block accumulation movement of chloroplasts in Arabidopsis thaliana leaf cells.
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Chloroplasts alter their distribution within plant cells depending on the external light conditions. Myosin inhibitors 2,3-butanedione monoxime (BDM), N-ethylmaleimide (NEM), and 1-(5-iodonaphthalene-1-sulfonyl)-1H-hexahydro-1,4-diazepine hydrochloride (ML-7) were used to study the possible role of
Stimulation of radial expansion in arabidopsis roots by inhibitors of actomyosin and vesicle secretion but not by various inhibitors of metabolism.
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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
Living markers for actin block myosin-dependent motility of plant organelles and auxin.
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Expression-based techniques using recombinant actin-binding proteins (ABPs) have been developed as advantageous means of visualising actin filaments. As actin function is linked to the movement of cellular cargoes, and overexpression of ABPs may compete with endogenous cytoskeletal proteins, such as
Mitochondrial behaviour in the early stages of ROS stress leading to cell death in Arabidopsis thaliana.
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OBJECTIVE
Reactive oxygen species (ROS) are involved in triggering cell death. To visualize mitochondrial behaviour under ROS stress, transgenic arabidopsis plants possessing mitochondrial-targeted GFP (S65T) were studied.
METHODS
Arabidopsis leaves were treated with ROS and ROS-inducing chemicals
Proton-transfer-reaction mass spectrometry as a new tool for real time analysis of root-secreted volatile organic compounds in Arabidopsis.
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Plant roots release about 5% to 20% of all photosynthetically-fixed carbon, and as a result create a carbon-rich environment for numerous rhizosphere organisms, including plant pathogens and symbiotic microbes. Although some characterization of root exudates has been achieved, especially of
The association of peroxisomes with the developing cell plate in dividing onion root cells depends on actin microfilaments and myosin.
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We have investigated changes in the distribution of peroxisomes through the cell cycle in onion ( Allium cepa L.) root meristem cells with immunofluorescence and electron microscopy, and in leek ( Allium porrum L.) epidermal cells with immunofluorescence and peroxisomal-targeted green fluorescent
Visualization of peroxisomes in living plant cells reveals acto-myosin-dependent cytoplasmic streaming and peroxisome budding.
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Here we examine peroxisomes in living plant cells using transgenic Arabidopsis thaliana plants expressing the green fluorescent protein (GFP) fused to the peroxisome targeting signal 1 (PTS1). Using time-lapse laser scanning confocal microscopy we find that plant peroxisomes exhibit fast directional
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