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Auxin - Wikipedia


Auxins are a class of plant hormones (or plant growth substances) with some morphogen-like ... Auxins typically act in concert with, or in opposition to, other plant hormones. .... ARF (auxin respon...

Auxin - Kimball's Biology Pages


The most important auxin produced by plants is indole-3-acetic acid (IAA). It plays important ... Gravitropism. Gravitropism is a plant growth response to gravity.

Cellular Responses to Auxin: Division versus Expansion - NCBI


All data emerging from cell culture studies suggest that auxin acts as a permissive signal for cell division providing the necessary competence to enter into the ...

Pointing roots in the right direction: the role of auxin transport in ...


Insight into the mechanism of auxin action in the gravitropic response has recently been gained by the .... AUX1 acts as an IAA/proton transporter into cells.

Auxin Control of Root Development


These founder cells become primed due to an auxin response maximum that ..... Auxin acts as a local morphogenetic trigger to specify lateral root founder cells.

Auxins, Cytokinins, and Gibberellins - Boundless


A plant's sensory response to external stimuli relies on hormones, which are simply ... Auxins also act as a relay for the effects of the blue light and red/far-red  ...

Auxin Acts through MONOPTEROS to Regulate Plant Cell Polarity ...


Nov 3, 2016 ... Auxin Acts through MONOPTEROS to Regulate Plant Cell Polarity and .... by the auxin response transcription factor MONOPTEROS (MP) [ 14 ].

Plant Hormones/Nutrition


Auxin is a plant hormone produced in the stem tip that promotes cell elongation. ... The roots of the plant act as miners moving through the soil and bringing needed .... One plant response to environmental stimulus involves plant parts moving ...

Auxin: Regulation, Action, and Interaction - Annals of Botany


Mar 4, 2005 ... Current assays for auxin response in the model plant Arabidopsis ... studies in arabidopsis indicate that IBA acts primarily through conversion to ...

A Receptor for Auxin - The Plant Cell


A Model for Auxin Response through the TIR1 Auxin Receptor Pathway. Transcriptionally ... These data suggested that auxin acts by a novel mechanism.