Journal
MOLECULAR BIOLOGY REPORTS
Volume 36, Issue 3, Pages 487-493Publisher
SPRINGER
DOI: 10.1007/s11033-007-9205-0
Keywords
Allene oxide synthase; Chlorogenic acid; Honeysuckle; Jasmonate; LjAOS; Lonicera japonica
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Funding
- China National 863'' High-Tech Program
- China Ministry of Education and Shanghai Science and Technology Committee
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In jasmonate biosynthetic pathway, allene oxide synthase (AOS, EC 4.2.1.92), which is a cytochrome P450 (CYP74A), catalyzes the first committed step. We herein cloned a novel cDNA from Lonicera japonica Thunb., named LjAOS (GenBank accession: DQ303120), which was homologous to other AOSs. Southern blot analysis revealed that it was a multi-copy gene. Real-time quantitative PCR analysis showed that LjAOS mRNA accumulated most abundantly in alabastrums, in which the content of chlorogenic acid (CA, the major important active ingredient indicator) was previously proven to be the highest.
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