Challenges in plant cellular pathway reconstruction based on gene expression profiling

P. van Baarlen, H.P. van Esse, R.J. Siezen, B.P.H.J. Thomma

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)


Microarrays are used to profile transcriptional activity, providing global cell biology insight. Particularly for plants, interpretation of transcriptional profiles is challenging because many genes have unknown functions. Furthermore, many plant gene sequences do not have clear homologs in other model organisms. Fortunately, over the past five years, various tools that assist plant scientists have been developed. Here, we evaluate the currently available in silico tools for reconstruction of cellular (metabolic, biochemical and signal transduction) pathways based on plant gene expression datasets. Furthermore, we show how expression-profile comparison at the level of these various cellular pathways contributes to the postulation of novel hypotheses which, after experimental verification, can provide further insight into decisive elements that have roles in cellular
Original languageEnglish
Pages (from-to)44-50
JournalTrends in Plant Science
Issue number1
Publication statusPublished - 2008


  • arabidopsis-thaliana
  • reconciled trees
  • data sets
  • death
  • database
  • microarray
  • network
  • identification
  • orthologs
  • model

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