2006
DOI: 10.1016/j.plaphy.2006.09.004
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Transgenic ipt tobacco overproducing cytokinins overaccumulates phenolic compounds during in vitro growth

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Cited by 46 publications
(26 citation statements)
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“…However, in our experiments, there was no addition of exogenous phenolic compounds to the culture medium, suggesting the occurrence of polyphenols by the synthesis of new shoot tips after their establishment in vitro in response to new growing conditions (Alemanno et al 2003). These phenolic compounds may be responsible for the increase in the endogenous auxin levels due to its role as an IAA (indole-3-acetic acid) oxidize inhibitor (Wilson and Van Staden 1990;Hausman 1993) and due to the modulation of the endogenous levels of IAA (Schnablová et al 2006;Reis et al 2008), thus enhancing the role of the auxin applied to the medium culture of shoot apexes. In addition, the role of phenolic compounds appears to be most likely related to the cellular dedifferentiation process (Alemanno et al 2003) and the early stages of somatic embryo differentiation (Reis et al 2008).…”
Section: Multicellular Embryogenesis and Organogenesismentioning
confidence: 68%
“…However, in our experiments, there was no addition of exogenous phenolic compounds to the culture medium, suggesting the occurrence of polyphenols by the synthesis of new shoot tips after their establishment in vitro in response to new growing conditions (Alemanno et al 2003). These phenolic compounds may be responsible for the increase in the endogenous auxin levels due to its role as an IAA (indole-3-acetic acid) oxidize inhibitor (Wilson and Van Staden 1990;Hausman 1993) and due to the modulation of the endogenous levels of IAA (Schnablová et al 2006;Reis et al 2008), thus enhancing the role of the auxin applied to the medium culture of shoot apexes. In addition, the role of phenolic compounds appears to be most likely related to the cellular dedifferentiation process (Alemanno et al 2003) and the early stages of somatic embryo differentiation (Reis et al 2008).…”
Section: Multicellular Embryogenesis and Organogenesismentioning
confidence: 68%
“…This discrepancy with our findings may originate from the fact that an artificial tissue culture system was used by those authors. In the other case, the levels of phenolic compounds, including the scopoletin precursor p-coumaric acid, were increased in CK-overproducing ipt transgenic tobacco plants, whereas SA levels were reduced (Schnablová et al, 2006).…”
Section: Ck-induced Phytoalexin Production Causes Pathogen Resistancementioning
confidence: 94%
“…While INCYDE significantly increased the quantity of the phenolics in 75 mM NaCl-stressed plants, a drastic lower concentration of phenolic was prominent at higher concentration of NaCl as well as in the non-stressed tomato plants. The role of CKs and/or INC-YDE on phenolic acid biosynthetic pathway has been hypothesized (Schnablová et al 2006;Aremu et al 2012a). Despite this assertion, the non-availability of the quality of phenolic compounds produced in the current study implies that the specific role of INCYDE on phenolic production during salinity stress remains speculative and obscure.…”
Section: Effect Of Incyde Treatment On Mda Concentration Phenolic Comentioning
confidence: 72%