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Nucleic Acids Res. 2012 Jan;40(Database issue):D1194-201. doi: 10.1093/nar/gkr938. Epub 2011 Nov 13.

PLEXdb: gene expression resources for plants and plant pathogens.

Author information

  • 1Virtual Reality Application Center, Crop Genome Informatics Lab, Electrical and Computer Engineering, Bioinformatics and Computational Biology, Iowa State University, Ames, IA 50011, USA.

Abstract

PLEXdb (http://www.plexdb.org), in partnership with community databases, supports comparisons of gene expression across multiple plant and pathogen species, promoting individuals and/or consortia to upload genome-scale data sets to contrast them to previously archived data. These analyses facilitate the interpretation of structure, function and regulation of genes in economically important plants. A list of Gene Atlas experiments highlights data sets that give responses across different developmental stages, conditions and tissues. Tools at PLEXdb allow users to perform complex analyses quickly and easily. The Model Genome Interrogator (MGI) tool supports mapping gene lists onto corresponding genes from model plant organisms, including rice and Arabidopsis. MGI predicts homologies, displays gene structures and supporting information for annotated genes and full-length cDNAs. The gene list-processing wizard guides users through PLEXdb functions for creating, analyzing, annotating and managing gene lists. Users can upload their own lists or create them from the output of PLEXdb tools, and then apply diverse higher level analyses, such as ANOVA and clustering. PLEXdb also provides methods for users to track how gene expression changes across many different experiments using the Gene OscilloScope. This tool can identify interesting expression patterns, such as up-regulation under diverse conditions or checking any gene's suitability as a steady-state control.

PMID:
22084198
[PubMed - indexed for MEDLINE]
PMCID:
PMC3245067
Free PMC Article

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