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Auxin-responsive protein

Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

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Auxin-responsive protein IAA15

Also known as Auxin-responsive protein IAA15 (Indoleacetic acid-induced protein 15).
Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

Auxin-responsive protein IAA16

Also known as Auxin-responsive protein IAA16 (Indoleacetic acid-induced protein 16).
Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

Auxin-responsive protein IAA17

Also known as Auxin-responsive protein IAA17 (Auxin response 3) (Indoleacetic acid-induced protein 17).
Transcription regulator acting as repressor of auxin-inducible gene expression. Auxin-inducible AUX/IAA gene. Short-lived nuclear protein with four conserved domains. Domain III has homology to beta alpha alpha dimerization and DNA binding domains. Involved in auxin signaling. Auxin induces the degradation of the protein in a dosage-dependent manner in a process mediated by AtRac1. Auxin induced the relocalization of the protein within the nucleus from a diffused nucleoplasmic pattern to a discrete particulated pattern named nuclear protein bodies or NPB in a process also mediated by Rac1. Colocalizes with SCF, CSN and 26S proteasome components.

Auxin-responsive protein IAA18

Also known as Auxin-responsive protein IAA18 (Indoleacetic acid-induced protein 18).
Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

Auxin-responsive protein IAA20

Also known as Auxin-responsive protein IAA20 (Indoleacetic acid-induced protein 20).
Encodes a member of the Aux/IAA family of proteins implicated in auxin signaling. IAA20 lacks the conserved degron (domain II) found in many family members, and IAA20 fusion proteins are stable in Arabidopsis seedlings. IAA20 transcripts are induced by auxin treatment, and overexpression of IAA20 leads to defects in gravitropism, root development, root meristem maintenance, etiolation, and cotyledon vascular development.

Auxin-responsive protein IAA28

Also known as Auxin-responsive protein IAA28 (Indoleacetic acid-induced protein 28).
encodes a protein that may be a negative regulator of lateral root formation in response to auxin. It is a member of IAA/ARF gene family and is plant-specific. Gain of function mutations in this gene suppresses lateral root formation and is resistant to inhibition of root elongation by auxin, cytokinin, and ethylene.

Auxin-responsive protein IAA29

Also known as Auxin-responsive protein IAA29 (Indoleacetic acid-induced protein 29).
Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

Auxin-responsive protein IAA30

Also known as Auxin-responsive protein IAA30 (Indoleacetic acid-induced protein 30).
Encodes a member of the Aux/IAA family of proteins implicated in auxin signaling. IAA30 lacks the conserved degron (domain II) found in many family members. IAA30 transcripts are induced by auxin treatment and accumulate preferentially in the quiescent center cells of the root meristem. Overexpression of IAA30 leads to defects in gravitropism, root development, root meristem maintenance, and cotyledon vascular development. Target of LEC2 and AGL15. Promotes somatyic embryogenesis.

Auxin-responsive protein IAA5

Also known as Auxin-responsive protein IAA5 (Auxin-induced protein AUX2-27) (Indoleacetic acid-induced protein 5).
Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

Auxin-responsive protein IAA6

Also known as Auxin-responsive protein IAA6 (Indoleacetic acid-induced protein 6).
An extragenic dominant suppressor of the hy2 mutant phenotype. Also exhibits aspects of constitutive photomorphogenetic phenotype in the absence of hy2. Mutants have dominant leaf curling phenotype shortened hypocotyls and reduced apical hook. Induced by indole-3-acetic acid.

Auxin-responsive protein IAA7

Also known as Auxin-responsive protein IAA7 (Auxin resistant 2) (Indoleacetic acid-induced protein 7).
Transcription regulator acting as repressor of auxin-inducible gene expression. Plays role in the control of gravitropic growth and development in light-grown seedlings. Auxin induces the degradation of the protein in a dosage-dependent manner in a process mediated by AtRac1. Auxin induced the relocalization of the protein within the nucleus from a diffused nucleoplasmic pattern to a discrete particulated pattern named nuclear protein bodies or NPB in a process also mediated by Rac1. Colocalizes with SCF, CSN and 26S proteasome components. Pseudomonas syringae type III effector AvrRpt2 stimulates AXR2 protein turnover.

Auxin-responsive protein IAA8

Also known as Auxin-responsive protein IAA8 (Indoleacetic acid-induced protein 8).
Encodes a transcriptional repressor of the auxin response that is auxin inducible and is involved in lateral root formation.

Auxin-responsive protein IAA9

Also known as Auxin-responsive protein IAA9 (Indoleacetic acid-induced protein 9).
Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin-responsive promoter element (AuxRE). Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response genes expression.

Auxin-responsive protein SAUR15

Also known as Auxin-responsive protein SAUR15 (Protein SMALL AUXIN UP RNA 15) (Protein SMALL AUXIN UP RNA FROM ARABIDOPSIS COLUMBIA 1).
mRNA is rapidly induced by auxin and is very short-lived. Has been used as a reporter gene in studying auxin mutants.

Auxin-responsive protein SAUR19

Also known as Auxin-responsive protein SAUR19 (Protein SMALL AUXIN UP RNA 19).
Encodes SAUR19 (small auxin up RNA 19). Note that TAIR nomenclature is based on Plant Mol Biol. 2002, 49:373-85 (PMID:12036261). In Planta (2011) 233:1223#Aei1235 (PMID:21327815), At5g18010 is SAUR24.

Auxin-responsive protein SAUR36

Also known as Auxin-responsive protein SAUR36 (Protein RESPONSE TO AUXINS AND GIBBERELLINS 1) (Protein SENESCENCE-ASSOCIATED GENE 201) (Protein SMALL AUXIN UP RNA 36).
Acts a positive regulator of leaf senescence and may mediate auxin-induced leaf senescence (PubMed:23250625). Plays a role in the regulation of seed germination by gibberellins and abscisic acid (ABA). Plays a role in the regulation of light-dependent hypocotyl elongation (PubMed:23503980).

Auxin-responsive protein SAUR41

Also known as Auxin-responsive protein SAUR41 (Protein SMALL AUXIN UP RNA 41).
Encodes a clade III SAUR gene with a distinctive expression pattern in root meristems. It is normally expressed in the quiescent center and cortex/endodermis initials and upon auxin stimulation, the expression is found in the endodermal layer. Overexpression studies suggest roles in cell expansion and auxin transport.
Proteins Root Name Listing
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