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022 _a0176-1617
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQK711.2 JOU
100 1 _aCalvenzani, Valentina
_eauthor
245 1 0 _aHydroxycinnamic acids and UV-B depletion: Profiling and biosynthetic gene expression in flesh and peel of wild-type and hp-1
_ccreated by Valentina Calvenzani, Antonella Castagna, Annamaria Ranieri, Chiara Tonelli, Katia Petroni
264 1 _aAmsterdam:
_bElsevier GmbH,
_c2015.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of plant physiology
_vVolume 181
520 _aHydroxycinnamic acids (HCAs) are phenolic compounds widely found in most plant families. Aim of the present work was to investigate their accumulation and biosynthetic gene expression in presence or absence of UV-B radiation in tomato fruits of wild-type and hp-1, a mutant characterized by exaggerated photoresponsiveness and increased fruit pigmentation. Gene expression and HCAs content were higher in hp-1 than in wild type peel and UV-B depletion determined a decrease in HCAs accumulation in wild-type and an increase in hp-1 fruits, generally in accordance with biosynthetic gene expression. In flesh, despite a similar transcript level of most genes between the two genotypes, HCAs content was generally higher in wild type than in hp-1, although remaining at a lower level with respect to wild type peel. Under UV-B depletion, a general reduction of HCAs content was observed in wild-type flesh, whereas an increase in the content of p-coumaric acid and caffeic acid was observed in hp-1 flesh.
650 _aHydroxycinnamic acids
650 _aLycopersicon esculentum
650 _aRT-PCR
700 1 _aCastagna, Antonella
_eco-author
700 1 _aRanieri, Annamaria
_eco-author
700 1 _aTonelli,Chiara
_eco-author
700 1 _aPetroni, Katia
_eco-author
856 _uhttps://doi.org/10.1016/j.jplph.2015.04.008
942 _2lcc
_cJA
999 _c169231
_d169231