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Non-Aqueous Isolation and Enrichment of Glandular Capitate Stalked and Sessile Trichomes from Cannabis sativa
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TrichOME: a comparative omics database for plant trichomes.

Xinbin Dai1, Guodong Wang, Dong Sik Yang

  • 1Plant Biology Division, The Samuel Roberts Noble Foundation, Ardmore, Oklahoma 73401, USA.

Plant Physiology
|November 27, 2009
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Summary

The TrichOME database integrates diverse omics data, offering a centralized resource for plant secretory trichome research. This facilitates the discovery of novel genes and metabolic pathways in these natural product biofactories.

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Area of Science:

  • Plant biology
  • Genomics
  • Biochemistry

Background:

  • Plant secretory trichomes are recognized as natural product biofactories.
  • Limited knowledge exists on trichome-specific metabolic pathways and genes.
  • Plant trichome genomics data is fragmented across various databases.

Purpose of the Study:

  • To develop an integrated "omics" database, named TrichOME, for plant trichome research.
  • To consolidate functional omics data including gene sequences, expression profiles, and metabolite data.
  • To provide bioinformatics tools for mining trichome-specific genes and analyzing expression patterns.

Main Methods:

  • Integrated omics data: expressed sequence tag/unigene sequences, microarray data, mass spectrometry-based metabolite profiles, and curated literature genes.
  • Sequence annotation using popular databases (Gene Ontology, KEGG, TCDB).
  • Cross-mapping of unigenes, metabolites, genes, and probe sets for comparative analysis.
  • Development of bioinformatics tools for mining trichome-specific genes and expression profiles.

Main Results:

  • The TrichOME database hosts a comprehensive collection of plant trichome omics data.
  • Data integration enables comparative analysis across different data types.
  • Bioinformatics tools facilitate the identification of trichome-specific genes and expression patterns.
  • TrichOME addresses the underrepresentation of trichome-specific genes in standard cDNA libraries.

Conclusions:

  • TrichOME serves as a valuable and unique resource for advancing plant trichome research.
  • The database enhances the study of gene function and metabolic pathways in trichomes.
  • Facilitates discovery of novel natural products and understanding of trichome biology.