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022 _a0176-1617
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQK711.2 JOU
100 1 _aMechri, Beligh
_eauthor
245 1 0 _aAccumulation of flavonoids and phenolic compounds in olive tree roots in response to mycorrhizal colonization: A possible mechanism for regulation of defense molecules
_ccreated by Beligh Mechri, Meriem Tekaya, Hechmi Cheheb, Faouzi Attia and Mohamed Hammami
264 1 _aAmsterdam:
_bElsevier GmbH,
_c2015.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of plant physiology
_vVolume 185
520 3 _aThe arbuscular mycorrhizal (AM) fungus promotes plant growth and can alter the production of primary and secondary metabolites. The aim of this work was to determine the influence of AM fungi colonization on the content of phenolic compounds, flavonoids and soluble carbohydrates in olive (Olea europaea L.) tree roots. The results revealed that mycorrhizal plants had a higher content of flavonoids and total phenols. Analysis of sugar contents showed enhanced levels of sucrose and fructose in mycorrhizal roots, while glucose amounts stayed constant. The DPPH radical-scavenging activity of the mycorrhizal root methanolic extracts was higher than that of the non- mycorrhizal root methanolic extracts. These results indicated that olive tree roots contain significant amounts of phenolic compounds, important factors for antioxidant capacity, which can be substantially modified by colonization of olive trees with AM fungi.
650 _aRhizophagus
_vOlea europea
_xPhenol
700 _aTekaya, Meriem
_eco-author
700 1 _aCheheb, Hechmi
_eco-author
700 1 _aAttia, Faouzi
_eco-author
700 1 _aHammami, Mohamed
_eco-author
856 _uhttps://doi.org/10.1016/j.jplph.2015.06.015
942 _2lcc
_cJA
999 _c168976
_d168976