KEGG PLANT
Plants are known to produce diverse chemical compounds including those with medicinal and nutritional values.
KEGG PLANT is a new interface to the KEGG resource for plant research, especially for understanding relationships between genomic and chemical information of natural products from plants.
Our knowledge on biosynthetic pathways of plant natural products is largely incomplete, but the genomic information is expected to give clues to missing enzymes and reactions for biosynthesis.
The genomic information may also uncover the architecture of biosynthhetic pathways for generating chemical diversity of natural products.
Plant Biosynthetic Pathways
In addition to expanding the repertoire of KEGG pathway maps for plant secondary metabolism, an overview map and several category maps have been introduced.
The category maps are used to classify plant secondary metabolites.
Overview map
Category maps
Pathway maps
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Plant Genomes
The available complete genomes for plants are very limited in comparison to other organism groups.
Thus, massive EST datasets have been processed for a number of plant species to generate the EGENES database where EST contigs are treated as genes and automatically annotated with the KO (K number) identifiers.
Phytochemical Compounds
A classification system of phytochemical compounds (plant secondary metabolites) is being developed based on the biosynthetic pathways. This system is used to categorize approved drugs and other products derived from plants.
Herbal Medicine
The KEGG DRUG database contains crude drugs (consisting of multiple chemical compounds) and formulas (consisting of multiple crude drugs) in the Traditional Chinese Medicine (TCM), most of which are derived from plants.
Crude drugs are classified according to the original source.
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