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Indole alkaloid biosynthesis in Catharanthus roseus: new enzyme activities and identification of cytochrome P450 CYP72A1 as secologanin synthase.
The molecular characterization of CYP72A1 from Catharanthus roseus (Madagascar periwinkle) was described nearly a decade ago, but the enzyme function remained unknown. We now show by in situ…
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Evidence that stilbene synthases have developed from chalcone synthases several times in the course of evolution
TLDR
It is proposed that STS evolved from CHS by a limited number of amino acid exchanges, and that the advantage gained by this enzyme function favored the selection of plants with improved STS activity.
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Light‐induced cytochrome P450‐dependent enzyme in indole alkaloid biosynthesis: tabersonine 16‐hydroxylase
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Antimicrobial, antioxidant and cytotoxic activities of selected medicinal plants from Yemen
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The T-region of Ti plasmids codes for an enzyme synthesizing indole-3-acetic acid.
TLDR
The results indicate that gene 2 of the T region, which participates in tumorous growth of plant cells, codes both in bacteria and in plants for an amidohydrolase involved in the biosynthesis of the plant hormone indole-3-acetic acid.
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New pathway to polyketides in plants
TLDR
A key enzyme in the ornamental plant Gerbera hybrida (Asteraceae) that participates in the biosynthesis of compounds that contribute to insect and pathogen resistance is identified.
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Flavonoid hydroxylase from Catharanthus roseus: cDNA, heterologous expression, enzyme properties and cell-type specific expression in plants.
TLDR
The cell-type specific expression of the P450 dependent flavonoid hydroxylase from the ornamental plant Catharanthus roseus suggests that intercellular transport may play an important role in the compartmentation of the pathways to the different flavonoids.
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A flavonol O-methyltransferase from Catharanthus roseus performing two sequential methylations.
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Cinnamate 4‐hydroxylase from Catharanthus roseus and a strategy for the functional expression of plant cytochrome P450 proteins as translational fusions with P450 reductase in Escherichia coli
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Three differentially expressed S-adenosylmethionine synthetases from Catharanthus roseus: molecular and functional characterization
TLDR
The results represent the first characterization of plant SAMS isoenzymes properties with individually expressed proteins and the possibility is discussed that the isoenzyme differences reflect specificities in the association with enzymes that use S-adenosyl-L-methionine.
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