2012
DOI: 10.1007/s11104-012-1263-y
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Arthrobacter agilis UMCV2 induces iron acquisition in Medicago truncatula (strategy I plant) in vitro via dimethylhexadecylamine emission

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Cited by 72 publications
(34 citation statements)
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“…The precise mechanism by which sulfur-containing volatiles inhibit B. cinerea mycelia is currently unknown and awaits further investigation. Interestingly, strain UM270 was the only one that produced DMHDA, which has been associated with antifungal and PGP activities in previous studies in our lab (Orozco-Mosqueda et al, 2013a;Velázquez-Becerra et al, 2013). However, no significant difference was found when compared with the antifungal or PGP activities of the other three strains.…”
Section: Discussionmentioning
confidence: 61%
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“…The precise mechanism by which sulfur-containing volatiles inhibit B. cinerea mycelia is currently unknown and awaits further investigation. Interestingly, strain UM270 was the only one that produced DMHDA, which has been associated with antifungal and PGP activities in previous studies in our lab (Orozco-Mosqueda et al, 2013a;Velázquez-Becerra et al, 2013). However, no significant difference was found when compared with the antifungal or PGP activities of the other three strains.…”
Section: Discussionmentioning
confidence: 61%
“…exhibit not only indirect mechanisms to improve plant health but may directly promote growth by producing and excreting phytohormones (e.g., indole-3-acetic acid, IAA) (Keel et al, 1992). Emission of volatile organic compounds (VOCs) has also been shown to be responsible for growth-promoting activities in plants such as Arabidopsis thaliana and Medicago truncatula (Farag et al, 2006;Orozco-Mosqueda et al, 2013a). We previously identified the volatile dimethylhexadecylamine (DMHDA), emitted by the plant growth-promoting (PGP) bacterium Arthrobacter agilis, as responsible for improving biomass and elevating chlorophyll and iron content in M. truncatula plants (Orozco-Mosqueda et al, 2013a).…”
mentioning
confidence: 99%
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“…The pH values of plant rhizosphere were assayed by the pH indicator of bromocresol purple (Orozco-Mosqueda et al 2013). Modified MS agar medium containing different concentration of Fe source and bromocresol purple (0.006%) was adjusted to 8.0 by the addition of CaCO 3 .…”
Section: Analysis Of Cas Assays and Rhizospheric Ph Valuesmentioning
confidence: 99%
“…16,28 La respuesta positiva de Z. mays a Burkholderia spp fue similar a lo reportado en la literatua 20 con S. officinarum inoculado con Azotobacter diazotrophicus que aumento en un 50% el contenido de N, sin FENI mediante fijación de N 2 y la síntesis de SUPOCE-VE. 42,43,45,46 Respuesta similar a la S. officinarum sin inocular alimentada con el FENI al 100%. La respuesta favorable de Z. mays a Burkholderia spp, indica que es probablemente por la capacidad de sintetizar la nitrogenasa para fijar el N 2 , cuya actividad que no se inhibir por la concentración del FENI en el suelo o por el aplicado, contrario a lo señalado en la literatura sobre S. officinarum y A. diazotrophicus en que a dosis moderadas de FENI, se inhibió la actividad de fijación biológica de N 2 , por un efecto feedback, dependiente de la concentración del N mineral en el suelo.…”
Section: Discussionunclassified