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Mark Estelle

Researcher at University of California, San Diego

Publications -  179
Citations -  37233

Mark Estelle is an academic researcher from University of California, San Diego. The author has contributed to research in topics: Auxin & Arabidopsis. The author has an hindex of 89, co-authored 172 publications receiving 33969 citations. Previous affiliations of Mark Estelle include Indiana University & University of San Diego.

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The F-box protein TIR1 is an auxin receptor

TL;DR: TIR1 is an auxin receptor that mediates Aux/IAA degradation and auxin-regulated transcription and the loss of TIR1 and three related F-box proteins eliminates saturable auxin binding in plant extracts.
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A Plant miRNA Contributes to Antibacterial Resistance by Repressing Auxin Signaling

TL;DR: It is shown that a flagellin-derived peptide induces a plant microRNA (miRNA) that negatively regulates messenger RNAs for the F-box auxin receptors TIR1, AFB2, and AFB3, implicating auxin in disease susceptibility and miRNA-mediated suppression of auxin signaling in resistance.
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The Physcomitrella Genome Reveals Evolutionary Insights into the Conquest of Land by Plants

Stefan A. Rensing, +77 more
- 04 Jan 2008 - 
TL;DR: This comparison reveals genomic changes concomitant with the evolutionary movement to land, including a general increase in gene family complexity; loss of genes associated with aquatic environments; acquisition of genes for tolerating terrestrial stresses; and the development of the auxin and abscisic acid signaling pathways for coordinating multicellular growth and dehydration response.
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Mechanism of auxin perception by the TIR1 ubiquitin ligase

TL;DR: These structures show that the leucine-rich repeat domain of TIR1 contains an unexpected inositol hexakisphosphate co-factor and recognizes auxin and the Aux/IAA polypeptide substrate through a single surface pocket, establishing the first structural model of a plant hormone receptor.
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Auxin regulates SCF(TIR1)-dependent degradation of AUX/IAA proteins.

TL;DR: It is shown that SCFTIR1 is required for AUX/IAA degradation, and it is proposed that auxin promotes the degradation of this large family of transcriptional regulators, leading to diverse downstream effects.