Journal
SCIENTIA HORTICULTURAE
Volume 124, Issue 2, Pages 290-293Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scienta.2009.12.036
Keywords
Caffeic acid; Caffeoylserotonin; Capsicum annuum; 4-Coumarate-CoA ligase; Serotonin
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Funding
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2009-0087207]
- Biotechnology Research Institute of Chonnam National University
- National Research Foundation of Korea [2009-0087207] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Caffeoylserotonin (CaS) is a serotonin derivative that belongs to the family of phenylpropanoid amides, but has not previously been identified in plants. In this study, pepper fruits challenged with the anthracnose fungus, Colletotrichum gloeosporioides, were found to synthesize CaS, which accumulated at concentrations of up to 2.3 mu g/g fresh weight. The induction of CaS was accompanied by the upregulation of both 4-coumarate-CoA ligase (4CL) and serotonin N-hydroxycinnamoyl transferase (SHT) in unripe pepper fruits. However, no induction of SHT and 4CL was observed in ripe pepper fruits consistent with the lower level of CaS production. (C) 2010 Elsevier B.V. All rights reserved.
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