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Martine Courtois

Researcher at François Rabelais University

Publications -  16
Citations -  683

Martine Courtois is an academic researcher from François Rabelais University. The author has contributed to research in topics: Catharanthus roseus & Gene. The author has an hindex of 12, co-authored 16 publications receiving 631 citations.

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Co-expression of three MEP pathway genes and geraniol 10-hydroxylase in internal phloem parenchyma of Catharanthus roseus implicates multicellular translocation of intermediates during the biosynthesis of monoterpene indole alkaloids and isoprenoid-derived primary metabolites

TL;DR: It is predicted that the translocation of pathway intermediates from the internal phloem parenchyma to the epidermis and, ultimately, to laticifers and idioblasts during MIA biosynthesis is likely to be required.
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Cloning and expression of cDNAs encoding two enzymes of the MEP pathway in Catharanthus roseus.

TL;DR: Two periwinkle cDNAs encoding enzymes of the non-mevalonate terpenoid pathway were characterized using reverse transcription-PCR strategy based on the design of degenerated oligonucleotides and the deduced amino acid sequence of crdxr is homologue to 1-deoxy-D-xylulose 5-phosphate reductoisomerases.
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The iridoid pathway in Catharanthus roseus alkaloid biosynthesis

TL;DR: Since regulatory genes encoding transcription factors acting on several genes of the MEP and terpenoid pathways are beginning to be characterised, metabolic engineering of the iridoid pathway could be a promising approach to control the metabolite flux towards secologanin and MIA production through biotechnological applications in the future.
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CaaX-prenyltransferases are essential for expression of genes involvedin the early stages of monoterpenoid biosynthetic pathway in Catharanthus roseus cells.

TL;DR: It is concluded that protein targets for both PFT and PGGT-I are required for the expression of ESMB genes and monoterpenoid biosynthesis in C. roseus, this represents a non previously described role for protein prenyltransferase in plants.
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Synthesis and biological evaluation with plant cells of new fosmidomycin analogues containing a benzoxazolone or oxazolopyridinone ring.

TL;DR: A new series of analogues of fosmidomycin, containing a Benzoxazolone, benzoxazolethione or oxazolopyridinone ring are synthesized, which show significant inhibition of ajmalicine accumulation in Catharanthus roseus cells.