Rational association of genes with traits using a genome-scale gene network for Arabidopsis thaliana

In suk Lee, Bindu Ambaru, Pranjali Thakkar, Edward M. Marcotte, Seung Y. Rhee

Research output: Contribution to journalArticle

236 Citations (Scopus)

Abstract

We introduce a rational approach for associating genes with plant traits by combined use of a genome-scale functional network and targeted reverse genetic screening. We present a probabilistic network (AraNet) of functional associations among 19,647 (73%) genes of the reference flowering plant Arabidopsis thaliana. AraNet associations are predictive for diverse biological pathways, and outperform predictions derived only from literature-based protein interactions, achieving 21% precision for 55% of genes. AraNet prioritizes genes for limited-scale functional screening, resulting in a hit-rate tenfold greater than screens of random insertional mutants, when applied to early seedling development as a test case. By interrogating network neighborhoods, we identify AT1G80710 (now DROUGHT SENSITIVE 1; DRS1) and AT3G05090 (now LATERAL ROOT STIMULATOR 1; LRS1) as regulators of drought sensitivity and lateral root development, respectively. AraNet (http://www.functionalnet.org/aranet/) provides a resource for plant gene function identification and genetic dissection of plant traits.

Original languageEnglish
Pages (from-to)149-156
Number of pages8
JournalNature Biotechnology
Volume28
Issue number2
DOIs
Publication statusPublished - 2010 Feb 1

Fingerprint

Plant Genes
Gene Regulatory Networks
Arabidopsis
Genes
Genome
Reverse Genetics
Droughts
Genetic Testing
Seedlings
Dissection
Screening
Proteins
Drought

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology
  • Molecular Medicine
  • Biomedical Engineering

Cite this

Lee, In suk ; Ambaru, Bindu ; Thakkar, Pranjali ; Marcotte, Edward M. ; Rhee, Seung Y. / Rational association of genes with traits using a genome-scale gene network for Arabidopsis thaliana. In: Nature Biotechnology. 2010 ; Vol. 28, No. 2. pp. 149-156.
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Rational association of genes with traits using a genome-scale gene network for Arabidopsis thaliana. / Lee, In suk; Ambaru, Bindu; Thakkar, Pranjali; Marcotte, Edward M.; Rhee, Seung Y.

In: Nature Biotechnology, Vol. 28, No. 2, 01.02.2010, p. 149-156.

Research output: Contribution to journalArticle

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