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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zang, Yunxiang Zhang, Hao Huang, Linghui Wang, Fang Gao, Fei Lv, Xishan Yang, Jing Zhu, Biao Hong, Seung Beom Zhu, Zhujun |
| Copyright Year | 2015 |
| Abstract | Glucosinolates have attracted considerable attention in the past several decades because of their involvement in pathogen and insect resistance of Brassicaceae as well as anti-inflammatory and anti-oxidation activity in humans. Methyl jasmonate (MeJA) treatment generally increases the levels of indole and aromatic glucosinolates; however, the time course of MeJA effects on the levels of individual glucosinolates in different pak choi cultivars has not been studied. Here, we found that foliar MeJA application increased accumulation of indole glucosinolates in both leaves and roots of four cultivars. However, roots accumulated much higher levels of indole glucosinolates and, compared to leaves, showed a delayed response to MeJA in terms of indole glucosinolate accumulation in all four cultivars. Individual indole glucosinolate levels in roots differed depending on the sampling time in different cultivars. The level of neoglucobrassicin steadily increased over 72 hours. Glucobrassicin was induced in leaves of SHQ and HZYDE, and in roots of three cultivars, whereas 4-methoxyglucobrassicin was induced only in roots. Aromatic glucosinolate enrichment occurred only in roots. Aliphatic glucosinolates were detected only in the leaves but not in roots, accumulating to comparable levels as in untreated controls. These results suggest that exogenous MeJA-mediated signal transduction did not immediately lead to biosynthesis of aliphatic and aromatic glucosinolates but did induce increased accumulation of indole glucosinolates in pak choi. Individual glucosinolate accumulation profiles were different depending on cultivars. |
| Starting Page | 830 |
| Ending Page | 840 |
| Page Count | 11 |
| File Format | |
| ISSN | 22113452 |
| Journal | Horticulture, Environment, and Biotechnology |
| Volume Number | 56 |
| Issue Number | 6 |
| e-ISSN | 22113460 |
| Language | English |
| Publisher | Korean Society for Horticultural Science |
| Publisher Date | 2016-01-19 |
| Publisher Place | Korea |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Life Sciences Plant Breeding/Biotechnology Plant Physiology Agriculture Plant Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Horticulture Biotechnology |
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