A functional genomics approach toward the understanding of secondary metabolism in plant cells.
Despite the tremendous importance of secondary metabolites for humans as for the plant itself, plant secondary metabolism remains poorly characterized. Here, we present an experimental approach, based on functional genomics, to facilitate gene discovery in plant secondary metabolism. Targeted metabolite analysis was combined with cDNA-amplified fragment length polymorphism-based transcript profiling of jasmonate-elicited tobacco Bright yellow 2 cells. Transcriptome analysis suggested an extensive jasmonate-mediated genetic reprogramming of metabolism, which correlated well with the observed shifts in the biosynthesis of the metabolites investigated. This method, which in addition to transcriptome data also generates gene tags, in the future might lead to the creation of novel tools for metabolic engineering of medicinal plant systems in general.
Goossens
Alain
A
Department of Plant Systems Biology, Flanders Interuniversity Institute for Biotechnology, Ghent University, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium.
Häkkinen
Suvi T
ST
Laakso
Into
I
Seppänen-Laakso
Tuulikki
T
Biondi
Stefania
S
De Sutter
Valerie
V
Lammertyn
Freya
F
Nuutila
Anna Maria
AM
Söderlund
Hans
H
Zabeau
Marc
M
Inzé
Dirk
D
Oksman-Caldentey
Kirsi-Marja
KM
D000085:Acetates / Q000494:pharmacology; D000470:Alkaloids / Q000096:biosynthesis; D002478:Cells, Cultured / Q000187:drug effects / Q000378:metabolism; D003517:Cyclopentanes / Q000494:pharmacology; D018076:DNA, Complementary / Q000235:genetics; D018744:DNA, Plant / Q000235:genetics; D020869:Gene Expression Profiling; D018506:Gene Expression Regulation, Plant / Q000187:drug effects; D023281:Genomics; D009538:Nicotine / Q000096:biosynthesis; D020411:Oligonucleotide Array Sequence Analysis; D054883:Oxylipins; D011073:Polyamines / Q000378:metabolism; D014026:Nicotiana / Q000166:cytology / Q000378:metabolism*; D014158:Transcription, Genetic
D000085:Acetates; D000470:Alkaloids; D003517:Cyclopentanes; D018076:DNA, Complementary; D018744:DNA, Plant; D054883:Oxylipins; D011073:Polyamines; D009538:Nicotine; C072239:methyl jasmonate