نتایج جستجو برای: iba

تعداد نتایج: 2516  

Journal: :Plant physiology 2012
Xing Liu Lana Barkawi Gary Gardner Jerry D Cohen

The polar transport of the natural auxins indole-3-butyric acid (IBA) and indole-3-acetic acid (IAA) has been described in Arabidopsis (Arabidopsis thaliana) hypocotyls using radioactive tracers. Because radioactive assays alone cannot distinguish IBA from its metabolites, the detected transport from applied [3H]IBA may have resulted from the transport of IBA metabolites, including IAA. To test...

Journal: :Plant physiology 2003
Aaron M Rashotte Julie Poupart Candace S Waddell Gloria K Muday

Polar transport of the natural auxin indole-3-acetic acid (IAA) is important in a number of plant developmental processes. However, few studies have investigated the polar transport of other endogenous auxins, such as indole-3-butyric acid (IBA), in Arabidopsis. This study details the similarities and differences between IBA and IAA transport in several tissues of Arabidopsis. In the infloresce...

Journal: :Plant physiology 2010
Lucia C Strader Angela Hendrickson Culler Jerry D Cohen Bonnie Bartel

Genetic evidence in Arabidopsis (Arabidopsis thaliana) suggests that the auxin precursor indole-3-butyric acid (IBA) is converted into active indole-3-acetic acid (IAA) by peroxisomal beta-oxidation; however, direct evidence that Arabidopsis converts IBA to IAA is lacking, and the role of IBA-derived IAA is not well understood. In this work, we directly demonstrated that Arabidopsis seedlings c...

Journal: :Journal of neurophysiology 2011
Amanda H Klein Carolyn M Sawyer Karen L Zanotto Margaret A Ivanov Susan Cheung Mirela Iodi Carstens Stephan Furrer Christopher T Simons Jay P Slack E Carstens

Szechuan peppers contain hydroxy-α-sanshool that imparts desirable tingling, cooling, and numbing sensations. Hydroxy-α-sanshool activates a subset of sensory dorsal root ganglion (DRG) neurons by inhibiting two-pore potassium channels. We presently investigated if a tingle-evoking sanshool analog, isobutylalkenyl amide (IBA), excites rat DRG neurons and, if so, if these neurons are also activa...

2005
Ephraim Epstein Jutta Ludwig-Müller

Indole-3-butyric acid (IBA) was recently identified by GC/MS analysis as an endogenous constituent of various plants . Plant tissues contained 9 ng g fresh weight of free IBA and 37 ng g-' fresh weight of total IBA, compared to 26 ng g-' and 52 ng g-' fresh weight of free and total indole-3-acetic acid (IAA), respectively . IBA level was found to increase during plant development, but never rea...

Journal: :Atherosclerosis 2018
Anurag Mehta Jaideep Patel Mahmoud Al Rifai Colby R Ayers Ian J Neeland Alka M Kanaya Namratha Kandula Michael J Blaha Khurram Nasir Roger S Blumenthal Parag H Joshi

BACKGROUND AND AIMS Inflammatory biomarkers and adipocytokines (IBA) may contribute to atherosclerosis by promoting vascular inflammation. The association between IBA and coronary artery calcium (CAC), a marker of subclinical atherosclerosis, is not well defined in South Asians (SA). We hypothesized that IBA (high sensitivity C-reactive protein [hsCRP], tumor necrosis factor alpha [TNF-α], adip...

Journal: :Plant physiology 2000
J Poupart C S Waddell

The presence of indole-3-butyric acid (IBA) as an endogenous auxin in Arabidopsis has been recently demonstrated. However, the in vivo role of IBA remains to be elucidated. We present the characterization of a semi-dominant mutant that is affected in its response to IBA, but shows a wild-type response to indole-3-acetic acid (IAA), the predominant and most studied form of auxin. We have named t...

1999
K. Kameyama K. Aono K. Kitamura

To help clarify the mechanisms by which volatile anaesthetics act on neuronal Ca21 channel currents (IBa), the effects of isoflurane were studied on IBa in rat dorsal root ganglion (DRG) cells. Voltage-dependent IBa were pharmacologically subdivided into L-, Nand P/Q-types, and toxin-resistant IBa. At clinically relevant concentrations, isoflurane inhibited the L-, Nand P/Q-types, but not toxin...

Journal: :Plant physiology 2005
Julie Poupart Aaron M Rashotte Gloria K Muday Candace S Waddell

Polar transport of the auxin indole-3-butyric acid (IBA) has recently been shown to occur in Arabidopsis (Arabidopis thaliana) seedlings, yet the physiological importance of this process has yet to be fully resolved. Here we describe the first demonstration of altered IBA transport in an Arabidopsis mutant, and show that the resistant to IBA (rib1) mutation results in alterations in growth, dev...

Journal: :The Plant cell 2010
Vanesa B Tognetti Olivier Van Aken Kris Morreel Korneel Vandenbroucke Brigitte van de Cotte Inge De Clercq Sheila Chiwocha Ricarda Fenske Els Prinsen Wout Boerjan Bernard Genty Keith A Stubbs Dirk Inzé Frank Van Breusegem

Reactive oxygen species and redox signaling undergo synergistic and antagonistic interactions with phytohormones to regulate protective responses of plants against biotic and abiotic stresses. However, molecular insight into the nature of this crosstalk remains scarce. We demonstrate that the hydrogen peroxide-responsive UDP-glucosyltransferase UGT74E2 of Arabidopsis thaliana is involved in the...

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