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GlossaryIndole-3-acetic acid

naturally occurring plant hormone regulating growth and development

Indole-3-acetic acid (IAA) is a naturally occurring plant hormone in the auxin family, which plays a crucial role in the regulation of plant growth and development. It influences cell elongation, root formation, and responses to light and gravity, making it essential for processes like phototropism and gravitropism.

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Graphene Oxide and Indole-3-Acetic Acid Cotreatment Regulates the Root Growth of Brassica Napus L. via Multiple Phytohormone Pathways

research Graphene oxide and indole-3-acetic acid cotreatment regulates the root growth of Brassica napus L. via multiple phytohormone pathways

34 citations , March 2020 in “BMC plant biology”

Graphene oxide and indole-3-acetic acid together inhibit root growth in Brassica napus L. by affecting multiple plant hormone pathways.

Hypaphorine, an Indole-3-Acetic Acid Antagonist Delivered by the Ectomycorrhizal Fungus Pisolithus Tinctorius, Induces Reorganization of Actin and the Microtubule Cytoskeleton in Eucalyptus Globulus ssp. Bicostata Root Hairs

research Hypaphorine, an indole-3-acetic acid antagonist delivered by the ectomycorrhizal fungus Pisolithus tinctorius , induces reorganisation of actin and the microtubule cytoskeleton in Eucalyptus globulus ssp bicostata root hairs

32 citations , December 2003 in “Planta”

Hypaphorine from a fungus changes the internal structure of Eucalyptus root hairs, stopping their growth.

research HOMEOBOX PROTEIN 24 mediates the conversion of indole‐3‐butyric acid to indole‐3‐acetic acid to promote root hair elongation

21 citations , September 2021 in “New Phytologist”

HB24 helps convert IBA to IAA, promoting root hair growth.

Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)

research Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)

6 citations , September 2015 in “Journal of Medicinal Chemistry”

The document confirms the structures of major metabolites of the CRTh2 antagonist Setipiprant and identifies minor metabolites.

Effects of Cinnamic Acid on the Root Growth of Cucumber (Cucumis Sativus L.) and Figleaf Gourd (Cucurbita Ficifolia Bouché) Seedlings

research Effects of cinnamic acid on the root growth of cucumber (cucumis sativus l.) and figleaf ground (cucurbita ficifolia bouché) seedlings

October 2024 in “Bangladesh Journal of Botany”

Figleaf gourd is more resistant to cinnamic acid stress than cucumber.

research Phosphorus-induced change in root hair growth is associated with IAA accumulation in walnut

6 citations , November 2021 in “Notulae Botanicae Horti Agrobotanici Cluj-Napoca”

Phosphorus affects walnut root hair growth by altering auxin levels.

research Stimulation of root hair elongation in Arabidopsis thaliana by low phosphorus availability

578 citations , May 1996 in “Plant Cell & Environment”

Low phosphorus makes Arabidopsis thaliana grow longer root hairs.

research Phosphatidylinositol‐specific phospholipase C2 functions in auxin‐modulated root development

28 citations , December 2018 in “Plant, cell & environment/Plant, cell and environment”

A protein called PLC2 is important for the growth and development of plant roots influenced by auxin.

research Regulatory network of ginsenoside biosynthesis under Ro stress in the hairy roots of Panax ginseng revealed by RNA sequencing

5 citations , October 2022 in “Frontiers in bioengineering and biotechnology”

Ro stress hindered ginseng root growth and ginsenoside production, but increased certain hormones and affected gene regulation related to plant growth and stress responses.

research Dermatologic Procedures for the Treatment of Seborrheic Dermatitis.

2 citations , October 2024 in “PubMed”

Dermatologic procedures show promise for treating seborrheic dermatitis, but more research is needed for cost, effectiveness, and safety.

research Synergistic Effect of Plant Growth Regulators on Micropropagation of Eclipta alba: A Plant with Diverse Medicinal Properties

December 2022 in “Journal of Experimental Biology and Agricultural Sciences”

Using certain plant growth regulators together improves the cloning of the medicinal plant Eclipta alba.

research SbbHLH85, a bHLH Member, Modulates Resilience to Salt Stress By Regulating Root Hair Growth in Sweet Sorghum

March 2021 in “Research Square (Research Square)”

The SbbHLH85 protein helps sweet sorghum grow more root hairs but makes the plant more sensitive to salt.

A Glutathione-Dependent Control of the Indole Butyric Acid Pathway Supports Arabidopsis Root System Adaptation to Phosphate Deprivation

research A glutathione-dependent control of the indole butyric acid pathway supports Arabidopsis root system adaptation to phosphate deprivation

27 citations , April 2020 in “Journal of Experimental Botany”

Glutathione helps Arabidopsis roots adapt to low phosphate by regulating a specific growth pathway.

research Auxin Input Pathway Disruptions Are Mitigated by Changes in Auxin Biosynthetic Gene Expression in Arabidopsis

52 citations , June 2014 in “PLANT PHYSIOLOGY”

Arabidopsis plants adjust gene expression to maintain balance when auxin pathways are disrupted.

research Elucidation of the role of auxin-input pathways in auxin homeostasis.

January 2014 in “IRL - University of Missouri, St. Louis (University of Missouri–St. Louis)”

Auxin pathways help maintain balance in plant growth and development.

research Regulation of arbuscular mycorrhizal fungi in citrus root hairs mediated by auxin efflux carrier protein PtPINs

August 2024 in “Scientia Horticulturae”

AMF initially inhibits but later promotes citrus root hair growth by regulating auxin levels.

research Mycorrhiza stimulates root-hair growth and IAA synthesis and transport in trifoliate orange under drought stress

131 citations , January 2018 in “Scientific Reports”

Mycorrhiza helps trifoliate orange grow better roots and handle drought.

research Mycorrhiza-induced change in root hair growth is associated with IAA accumulation and expression of EXPs in trifoliate orange under two P levels

62 citations , February 2018 in “Scientia Horticulturae”

Mycorrhizal fungi improve root hair growth and nutrient uptake in trifoliate orange, especially when phosphorus is low.

Bacillus Subtilis Promotes Plant Phosphorus Acquisition Through Phosphorus Solubilization and Stimulation of Root and Root Hair Growth

research Bacillus subtilis promotes plant phosphorus (P) acquisition through P solubilization and stimulation of root and root hair growth

May 2024 in “Physiologia Plantarum”

Bacillus subtilis helps plants get more phosphorus and grow better roots.

Development of Novel Indole-Based Bifunctional Aldose Reductase Inhibitors and Antioxidants as Promising Drugs for the Treatment of Diabetic Complications

research Development of Novel Indole-Based Bifunctional Aldose Reductase Inhibitors/Antioxidants as Promising Drugs for the Treatment of Diabetic Complications

9 citations , May 2021 in “Molecules”

New indole-based compounds, particularly cemtirestat, show promise as dual-function drugs for diabetic complications.

Foliar and Root Applications of Vegetal-Derived Protein Hydrolysates Differentially Enhance the Yield and Qualitative Attributes of Two Lettuce Cultivars Grown in Floating System

research Foliar and Root Applications of Vegetal-Derived Protein Hydrolysates Differentially Enhance the Yield and Qualitative Attributes of Two Lettuce Cultivars Grown in Floating System

24 citations , June 2021 in “Agronomy”

Protein hydrolysates applied to roots or leaves differently improved lettuce yield and quality, with the best results seen in specific combined treatments for each type.

Effects of Mycorrhizal Fungi on Plant Growth, Nutrient Absorption, and Phytohormone Levels in Tea Under Shading Conditions

research Effects of mycorrhizal fungi on plant growth, nutrient absorption and phytohormones levels in tea under shading condition

11 citations , December 2020 in “Notulae botanicae Horti Agrobotanici Cluj-Napoca”

Mycorrhizal fungi and shading improve tea plant growth and nutrient uptake by changing hormone levels and gene expression.

In Silico Screening of Bioactive Compounds Derived from Polyherbal Oil Against Seborrheic Dermatitis

research In silico screening of bioactive compounds derived from Polyherbal Oil against Seborrhea dermatitis.

April 2026 in “International Journal of Drug Delivery Technology”

Natural compounds from Ayurvedic herbs may effectively treat dandruff and promote hair growth.

research Down-Stream molecular Responses to Volatile Signaling in Roots

January 2021

Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.

research How Does pH Fit in with Oscillating Polar Growth?

37 citations , March 2018 in “Trends in Plant Science”

pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.

research Jasmonic acid regulates plant development and orchestrates stress response during tough times

19 citations , February 2023 in “Environmental and experimental botany”

Jasmonic acid helps plants grow, defend against threats, and survive stressful conditions like drought and salt.

research Salvianolic Acid B Reduces Oxidative Stress to Promote Hair-Growth in Mice, Human Hair Follicles and Dermal Papilla Cells

April 2024 in “Clinical, cosmetic and investigational dermatology”

Salvianolic Acid B helps hair grow by reducing cell stress and increasing blood flow to hair follicles.

research Moderate water stress in rice induces rhizosheath formation associated with abscisic acid and auxin responses

38 citations , January 2020 in “Journal of Experimental Botany”

Moderate water stress helps rice form rhizosheaths by affecting hormone responses, which may aid in breeding drought-resistant rice.

research Combined Systemic and Cutaneous Ovalbumin–Aluminum Sensitization Triggers Thermal Hyperalgesia, Spinal Gliosis, and Nociceptive Nerve Fibers Sprouting in Mice

1 citations , September 2025 in “Physiologia”

Ovalbumin–aluminum sensitization causes increased pain sensitivity and nerve changes in mice.

research Functional characterization of soybean strigolactone biosynthesis and signaling genes in Arabidopsis MAX mutants and GmMAX3 in soybean nodulation

43 citations , December 2017 in “BMC Plant Biology”

GmMAX3b gene in soybeans boosts nodulation and affects hormone levels.