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Auxin transport

Current Opinion in Plant Biology, 2005
Polar transport of auxin is essential for normal plant growth and development. On a cellular level, directional auxin transport is primarily controlled by an efflux carrier complex that is characterized by the PIN-FORMED (PIN) family of proteins. Detailed developmental studies of PIN distribution and subcellular localization have been combined with the
Joshua J, Blakeslee   +2 more
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Auxins

2005
Auxin is a multifactorial phytohormone that is required for cell division. Fine gradients determine points of developmental change in time and space. It is associated intimately with the axiality of plant growth, and increasing doses lead to cell expansion or inhibition of cell expansion in different tissues.
Catherine, Perrot-Rechenmann   +1 more
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Auxins and Auxin Precursors in Plants

Nature, 1953
THE principal auxin in higher plants is generally believed to be indoleacetic acid, which is supposed to arise from tryptophane (a) via indoleiminoacetic acid, indolepyruvic acid and indole acetaldehyde, or (b) via tryptamine and indole acetaldehyde1. The general occurrence of tryptophane in the plant kingdom is well established.
P, LARSEN, E, BONDE
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Impermeant auxin analogues have auxin activity

Planta, 1990
Protein 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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Auxin response factors

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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Cytokinin–auxin crosstalk

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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AUXIN BIOSYNTHESIS

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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