Results 121 to 130 of about 11,857 (165)
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Impermeant auxin analogues have auxin activity
Planta, 1990Protein conjugates of 5-aminonaphthalene-1-acetic acid and of 5-azido-naphthalene-1-acetic acid have been prepared and evaluated for auxin activity in two types of assay. In standard elongation tests with pea (Pisum sativum L.) epicotyl sections the conjugates are inactive.
Venis, M.A. +4 more
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Journal of Plant Growth Regulation, 2001
Differential growth of plants in response to the changes in the light and gravity vectors requires a complex signal transduction cascade. Although many of the details of the mechanisms by which these differential growth responses are induced are as yet unknown, auxin has been implicated in both gravitropism and phototropism.
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Differential growth of plants in response to the changes in the light and gravity vectors requires a complex signal transduction cascade. Although many of the details of the mechanisms by which these differential growth responses are induced are as yet unknown, auxin has been implicated in both gravitropism and phototropism.
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Current Opinion in Plant Biology, 2001
Auxin signaling is key to many plant growth and developmental processes from embryogenesis to senescence. Most, if not all, of these processes are initiated and/or mediated through auxin-regulated gene expression. Two types of transcription factor families are required for controlling expression of auxin response genes. One of these, the auxin response
Tom J, Guilfoyle, Gretchen, Hagen
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Auxin signaling is key to many plant growth and developmental processes from embryogenesis to senescence. Most, if not all, of these processes are initiated and/or mediated through auxin-regulated gene expression. Two types of transcription factor families are required for controlling expression of auxin response genes. One of these, the auxin response
Tom J, Guilfoyle, Gretchen, Hagen
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Effect of auxins on the auxin transport system in coleoptiles
Planta, 1969Within 20 min of its application, auxin enhances the transport processes that move auxin molecules through coleoptile tissue. The effect was observed after treatment with indoleacetic acid and α-naphthaleneacetic acid, but not with growth-inactive auxin analogues.
D L, Rayle, R, Ouitrakul, R, Hertel
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Auxin Receptors and Auxin Binding Proteins
Critical Reviews in Plant Sciences, 1995Abstract In the last few years, a large number of auxin-binding proteins (ABPs) have been reported. Implicitly or explicitly, interest in such proteins resides in their possible role as auxin receptors. Many of these proteins are characterized as ABPs solely by their susceptibility to covalent photolabeling by tritiated azido-indole-3-acetic acid.
Michal A. Venis +2 more
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Annual Review of Plant Physiology and Plant Molecular Biology, 1997
▪ Abstract Indole-3-acetic acid (IAA) is the most abundant naturally occurring auxin. Plants produce active IAA both by de novo synthesis and by releasing IAA from conjugates. This review emphasizes recent genetic experiments and complementary biochemical analyses that are beginning to unravel the complexities of IAA biosynthesis in plants.
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▪ Abstract Indole-3-acetic acid (IAA) is the most abundant naturally occurring auxin. Plants produce active IAA both by de novo synthesis and by releasing IAA from conjugates. This review emphasizes recent genetic experiments and complementary biochemical analyses that are beginning to unravel the complexities of IAA biosynthesis in plants.
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Current Opinion in Cell Biology, 1995
Recent work on the auxin signal has yielded clear answers to some questions and produced puzzling new data to explain. It is now established that the auxin-binding protein functions extracellularly, but it is unclear how it reaches that location. Important clues on the mechanism(s) by which auxin achieves its genetic and cell biological effects are ...
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Recent work on the auxin signal has yielded clear answers to some questions and produced puzzling new data to explain. It is now established that the auxin-binding protein functions extracellularly, but it is unclear how it reaches that location. Important clues on the mechanism(s) by which auxin achieves its genetic and cell biological effects are ...
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2002
The best-known phytohormones from the auxin family contain the indole ring system substituted, at its 3-position, with a short aliphatic side chain ending in a free carboxyl group. Their most common endogenous representative is indole-3-acetic acid (IAA). A variety of its ring- and side-chain substituted derivatives have been prepared by chemical means.
Kojić-Prodić, Biserka, Magnus, Volker
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The best-known phytohormones from the auxin family contain the indole ring system substituted, at its 3-position, with a short aliphatic side chain ending in a free carboxyl group. Their most common endogenous representative is indole-3-acetic acid (IAA). A variety of its ring- and side-chain substituted derivatives have been prepared by chemical means.
Kojić-Prodić, Biserka, Magnus, Volker
openaire
Trends in Plant Science, 2009
Post-embryonic plant growth and development are sustained by meristems, a source of undifferentiated cells that give rise to the adult plant structures. Two hormones, cytokinin and auxin, are known to act antagonistically in controlling meristem activities.
MOUBAYIDIN L +2 more
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Post-embryonic plant growth and development are sustained by meristems, a source of undifferentiated cells that give rise to the adult plant structures. Two hormones, cytokinin and auxin, are known to act antagonistically in controlling meristem activities.
MOUBAYIDIN L +2 more
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Auxin transport, auxin metabolism and ageing
Acta Botanica Neerlandica, 1969SUMMARY Transport and metabolism of auxin have been studied in explants of Coleus. An ageing period preceding a transport experiment causes a decrease in the amounts of radioactivity transported. A pre-treatment with auxin during the ageing period maintains the transport on the original level.
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