Methyl jasmonate-induced rosmarinic acid biosynthesis in Lithospermum erythrorhizon cell suspension cultures
- 1 October 1993
- journal article
- Published by Springer Nature in Plant Cell Reports
- Vol. 12 (12) , 706-709
- https://doi.org/10.1007/bf00233424
Abstract
A dramatic increase in rosmarinic acid (RA) content in cultured cells of Lithospermum erythrorhizon was observed after their exposure to methyl jasmonate (MJ). Preceding the induced RA accumulation, phenylalanine ammonia-lyase (PAL) and 4-hydroxyphenylpyruvate reductase (HPR) activities increased rapidly and transiently, whereas tyrosine aminotransferase (TAT) activity showed only a slight increase. The elicitation activity of MJ was much higher than that of yeast extract (YE) in terms of the induction of PAL and HPR activities, RA accumulation and incorporation of both 14C-phenylalanine and 14C-tyrosine into RA. However, the response of the cultured cells to MJ-treatment was slower than that to YE-treatment.Keywords
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