Tags

Type your tag names separated by a space and hit enter

Auxin biosynthesis: spatial regulation and adaptation to stress.
J Exp Bot. 2019 10 15; 70(19):5041-5049.JE

Abstract

The plant hormone auxin is essential for plant growth and development, controlling both organ development and overall plant architecture. Auxin homeostasis is regulated by coordination of biosynthesis, transport, conjugation, sequestration/storage, and catabolism to optimize concentration-dependent growth responses and adaptive responses to temperature, water stress, herbivory, and pathogens. At present, the best defined pathway of auxin biosynthesis is the TAA/YUC route, in which the tryptophan aminotransferases TAA and TAR and YUCCA flavin-dependent monooxygenases produce the auxin indole-3-acetic acid from tryptophan. This review highlights recent advances in our knowledge of TAA/YUC-dependent auxin biosynthesis focusing on membrane localization of auxin biosynthetic enzymes, differential regulation in root and shoot tissue, and auxin biosynthesis during abiotic stress.

Links

Publisher Full Text (DOI)

Authors+Show Affiliations

Blakeslee JJ
Department of Horticulture and Crop Science, The Ohio State University, Wooster, OH, USA.
Spatola Rossi T
Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, UK.
Kriechbaumer V
Department of Biological and Medical Sciences, Oxford Brookes University, Oxford, UK.

MeSH

AcclimatizationAdaptation, PhysiologicalIndoleacetic AcidsMixed Function OxygenasesPlant Growth RegulatorsPlant ProteinsPlantsStress, PhysiologicalTryptophan Transaminase

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

31198972

Citation

Blakeslee, Joshua J., et al. "Auxin Biosynthesis: Spatial Regulation and Adaptation to Stress." Journal of Experimental Botany, vol. 70, no. 19, 2019, pp. 5041-5049.
Blakeslee JJ, Spatola Rossi T, Kriechbaumer V. Auxin biosynthesis: spatial regulation and adaptation to stress. J Exp Bot. 2019;70(19):5041-5049.
Blakeslee, J. J., Spatola Rossi, T., & Kriechbaumer, V. (2019). Auxin biosynthesis: spatial regulation and adaptation to stress. Journal of Experimental Botany, 70(19), 5041-5049. https://doi.org/10.1093/jxb/erz283
Blakeslee JJ, Spatola Rossi T, Kriechbaumer V. Auxin Biosynthesis: Spatial Regulation and Adaptation to Stress. J Exp Bot. 2019 10 15;70(19):5041-5049. PubMed PMID: 31198972.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Auxin biosynthesis: spatial regulation and adaptation to stress. AU - Blakeslee,Joshua J, AU - Spatola Rossi,Tatiana, AU - Kriechbaumer,Verena, PY - 2019/01/30/received PY - 2019/06/03/accepted PY - 2019/6/15/pubmed PY - 2020/8/11/medline PY - 2019/6/15/entrez KW - Auxin biosynthesis KW - TAA KW - TAR KW - YUC KW - drought KW - endoplasmic reticulum KW - halotropism KW - heat stress KW - membrane KW - metabolon SP - 5041 EP - 5049 JF - Journal of experimental botany JO - J Exp Bot VL - 70 IS - 19 N2 - The plant hormone auxin is essential for plant growth and development, controlling both organ development and overall plant architecture. Auxin homeostasis is regulated by coordination of biosynthesis, transport, conjugation, sequestration/storage, and catabolism to optimize concentration-dependent growth responses and adaptive responses to temperature, water stress, herbivory, and pathogens. At present, the best defined pathway of auxin biosynthesis is the TAA/YUC route, in which the tryptophan aminotransferases TAA and TAR and YUCCA flavin-dependent monooxygenases produce the auxin indole-3-acetic acid from tryptophan. This review highlights recent advances in our knowledge of TAA/YUC-dependent auxin biosynthesis focusing on membrane localization of auxin biosynthetic enzymes, differential regulation in root and shoot tissue, and auxin biosynthesis during abiotic stress. SN - 1460-2431 UR - https://www.unboundmedicine.com/medline/citation/31198972/Auxin_biosynthesis:_spatial_regulation_and_adaptation_to_stress_ DB - PRIME DP - Unbound Medicine ER -