Polar auxin transport (Arabidopsis thaliana)
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Description
Polar auxin transport pathway of Arabidopsis. Even though we have shown a representative diagram of influx and efflux proteins on different but adjacent cells, the auxin influx and efflux transport proteins when present in the same cell, are often located in the plasma membrane of cell's opposite side or on the sides (left/right). All the different paralogs of influx and efflux proteins may not be present in the same cell. Often their expression and localization is tissue, cell, organ and development stage specific. This helps in directing the flow of auxin towards 'auxin maxima' sites in plant organs and cells as needed. In some cases auxin can permeate through the plasma membrane.
The Arabidopsis gene products PIN5, PIN6 and PIN8 were removed from the pathway since they are known to be involved in intracellular auxin transport rather than the intercellular auxin transport.
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Ontology Terms
Bibliography
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- Belin C, Megies C, Hauserová E, Lopez-Molina L; ''Abscisic acid represses growth of the Arabidopsis embryonic axis after germination by enhancing auxin signaling.''; Plant Cell, 2009 PubMed Europe PMC Scholia
- Yang Y, Hammes UZ, Taylor CG, Schachtman DP, Nielsen E; ''High-affinity auxin transport by the AUX1 influx carrier protein.''; Curr Biol, 2006 PubMed Europe PMC Scholia
- ''''; , PubMed Europe PMC Scholia
- Bennett T; ''PIN proteins and the evolution of plant development.''; Trends Plant Sci, 2015 PubMed Europe PMC Scholia
- Okada K, Ueda J, Komaki MK, Bell CJ, Shimura Y; ''Requirement of the Auxin Polar Transport System in Early Stages of Arabidopsis Floral Bud Formation.''; Plant Cell, 1991 PubMed Europe PMC Scholia
- Ding Z, Wang B, Moreno I, Dupláková N, Simon S, Carraro N, Reemmer J, Pěnčík A, Chen X, Tejos R, Skůpa P, Pollmann S, Mravec J, Petrášek J, Zažímalová E, Honys D, Rolčík J, Murphy A, Orellana A, Geisler M, Friml J; ''ER-localized auxin transporter PIN8 regulates auxin homeostasis and male gametophyte development in Arabidopsis.''; Nat Commun, 2012 PubMed Europe PMC Scholia
- Müller A, Guan C, Gälweiler L, Tänzler P, Huijser P, Marchant A, Parry G, Bennett M, Wisman E, Palme K; ''AtPIN2 defines a locus of Arabidopsis for root gravitropism control.''; EMBO J, 1998 PubMed Europe PMC Scholia
- de Jong M, George G, Ongaro V, Williamson L, Willetts B, Ljung K, McCulloch H, Leyser O; ''Auxin and strigolactone signaling are required for modulation of Arabidopsis shoot branching by nitrogen supply.''; Plant Physiol, 2014 PubMed Europe PMC Scholia
- Liu C, Xu Z, Chua NH; ''Auxin Polar Transport Is Essential for the Establishment of Bilateral Symmetry during Early Plant Embryogenesis.''; Plant Cell, 1993 PubMed Europe PMC Scholia
- Kleine-Vehn J, Dhonukshe P, Swarup R, Bennett M, Friml J; ''Subcellular trafficking of the Arabidopsis auxin influx carrier AUX1 uses a novel pathway distinct from PIN1.''; Plant Cell, 2006 PubMed Europe PMC Scholia
- Mravec J, Skůpa P, Bailly A, Hoyerová K, Krecek P, Bielach A, Petrásek J, Zhang J, Gaykova V, Stierhof YD, Dobrev PI, Schwarzerová K, Rolcík J, Seifertová D, Luschnig C, Benková E, Zazímalová E, Geisler M, Friml J; ''Subcellular homeostasis of phytohormone auxin is mediated by the ER-localized PIN5 transporter.''; Nature, 2009 PubMed Europe PMC Scholia
- Fischer U, Ikeda Y, Ljung K, Serralbo O, Singh M, Heidstra R, Palme K, Scheres B, Grebe M; ''Vectorial information for Arabidopsis planar polarity is mediated by combined AUX1, EIN2, and GNOM activity.''; Curr Biol, 2006 PubMed Europe PMC Scholia
- Bender RL, Fekete ML, Klinkenberg PM, Hampton M, Bauer B, Malecha M, Lindgren K, A Maki J, Perera MA, Nikolau BJ, Carter CJ; ''PIN6 is required for nectary auxin response and short stamen development.''; Plant J, 2013 PubMed Europe PMC Scholia
History
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External references
DataNodes
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Name | Type | Database reference | Comment |
---|---|---|---|
(H+)x2 | Metabolite | 24636 (ChEBI) | Synonym: proton |
AUX1 | GeneProduct | AT2G38120 (Ensembl Plants) | Auxin influx transporter |
H+ ATPase | Plasma mambrane H+ ATPase | ||
H+ | Metabolite | 24636 (ChEBI) | Synonym: proton |
LAX1 | GeneProduct | AT5G01240 (Ensembl Plants) | Auxin influx transporter |
LAX2 | GeneProduct | AT2G21050 (Ensembl Plants) | Auxin influx transporter |
LAX3 | GeneProduct | AT1G77690 (Ensembl Plants) | Auxin influx transporter |
PIN1 | GeneProduct | AT1G73590 (Ensembl Plants) | Auxin efflux carrier family protein |
PIN2 | GeneProduct | AT5G57090 (Ensembl Plants) | Auxin efflux carrier family protein |
PIN3 | GeneProduct | AT1G23080 (Ensembl Plants) | Auxin efflux carrier family protein |
PIN4 | GeneProduct | AT5G15100 (Ensembl Plants) | Auxin efflux carrier family protein |
PIN7 | GeneProduct | AT1G70940 (Ensembl Plants) | Auxin efflux carrier family protein |
indole-3-acetate | Metabolite | 30854 (ChEBI) | Synonym: IAA(-) ion |
indole-3-acetic acid | Metabolite | 16411 (ChEBI) | Synonym: IAA |
Annotated Interactions
No annotated interactions