The Far Side of Auxin Signaling: Fundamental Cellular Activities and Their Contribution to a Defined Growth Response in Plants

Overview

Journal Protoplasma

Publisher Springer

Specialty Biology

Date 2013 Nov 14

PMID 24221297

Citations 6

Authors

Katarzyna Retzer

Haroon Butt

Barbara Korbei

Christian Luschnig

Affiliations

Soon will be listed here.

Abstract

Recent years have provided us with spectacular insights into the biology of the plant hormone auxin, leaving the impression of a highly versatile molecule involved in virtually every aspect of plant development. A combination of genetics, biochemistry, and cell biology has established auxin signaling pathways, leading to the identification of two distinct modes of auxin perception and downstream regulatory cascades. Major targets of these signaling modules are components of the polar auxin transport machinery, mediating directional distribution of the phytohormone throughout the plant body, and decisively affecting plant development. Alterations in auxin transport, metabolism, or signaling that occur as a result of intrinsic as well as environmental stimuli, control adjustments in morphogenetic programs, giving rise to defined growth responses attributed to the activity of the phytohormone. Some of the results obtained from the analysis of auxin, however, do not fit coherently into a picture of highly specific signaling events, but rather suggest mutual interactions between auxin and fundamental cellular pathways, like the control of intracellular protein sorting or translation. Crosstalk between auxin and these basic determinants of cellular activity and how they might shape auxin effects in the control of morphogenesis are the subject of this review.

Citing Articles

Genome-wide identification of Aux/IAA gene family members in grape and functional analysis of VaIAA3 in response to cold stress.

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Plant Development of Early-Maturing Spring Wheat ( L.) under Inoculation with sp. .

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Lessons Learned from the Studies of Roots Shaded from Direct Root Illumination.

Lacek J, Garcia-Gonzalez J, Weckwerth W, Retzer K Int J Mol Sci. 2021; 22(23).

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A biosensor for the direct visualization of auxin.

Herud-Sikimic O, Stiel A, Kolb M, Shanmugaratnam S, W Berendzen K, Feldhaus C Nature. 2021; 592(7856):768-772.

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The TOR-Auxin Connection Upstream of Root Hair Growth.

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