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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. .... This pathway invo...

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 ...

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.

Plant Hormones/Nutrition


Auxins | Gibberellins | Cytokinins | Abscisic Acid | Ethylene | Plant Nutrition | Water and ... The roots of the plant act as miners moving through the soil and bringing .... One plant response to environmental stimulus involves plant parts moving ...

41 How Plants Grow in Response to Their Environment


“turn”) are positive or negative growth responses of plants to external stimuli ..... Auxin acts to adapt the plant to its environment in a highly advantageous way.

Frontiers | A Review of Auxin Response Factors (ARFs) in Plants ...


ARFs are likely components that confer specificity to auxin response through selection ... As in the case of the ARFs, auxin also acts to relieve repression of the  ...

Auxin - New World Encyclopedia


May 26, 2012 ... One such use is in the production of synthetic auxins that can act as ... and leading to specific gene expression in response to auxins.

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.

The TIR1 protein of Arabidopsis functions in auxin response and is ...


These results indicate that TIR1 is also required for normal response to auxin. ... At the cellular level, auxin acts to regulate these processes through changes in ...

Auxin–Cytokinin Interaction Regulates Meristem Development


The double mutants wox8 wox9 displayed abnormal PIN1 expression pattern and abnormal auxin response in the embryo. WOX2 and WOX8 act redundantly ...

More Info

Auxin-Independent NAC Pathway Acts in Response to Explant ...


Feb 5, 2016 ... Auxin-Independent NAC Pathway Acts in Response to Explant-Specific Wounding and Promotes Root Tip Emergence during de Novo Root ...

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  ...

A Receptor for Auxin - The Plant Cell


Indeed, a family of AUXIN RESPONSE FACTOR (ARF) proteins was found to interact with an .... These data suggested that auxin acts by a novel mechanism.