GENEVESTIGATOR. Arabidopsis Microarray Database and Analysis Toolbox
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TLDR
Genevestigator as mentioned in this paper is a web-browser interface for gene expression analysis using Affymetrix GeneChip data, which allows users to retrieve the expression patterns of individual genes throughout chosen environmental conditions, growth stages, or organs.Abstract:
High-throughput gene expression analysis has become a frequent and powerful research tool in biology. At present, however, few software applications have been developed for biologists to query large microarray gene expression databases using a Web-browser interface. We present GENEVESTIGATOR, a database and Web-browser data mining interface for Affymetrix GeneChip data. Users can query the database to retrieve the expression patterns of individual genes throughout chosen environmental conditions, growth stages, or organs. Reversely, mining tools allow users to identify genes specifically expressed during selected stresses, growth stages, or in particular organs. Using GENEVESTIGATOR, the gene expression profiles of more than 22,000 Arabidopsis genes can be obtained, including those of 10,600 currently uncharacterized genes. The objective of this software application is to direct gene functional discovery and design of new experiments by providing plant biologists with contextual information on the expression of genes. The database and analysis toolbox is available as a community resource at https://www.genevestigator.ethz.ch.read more
Citations
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Plant peptides in signalling: looking for new partners
TL;DR: The genetic similarities between the IDA and CLV3 signalling systems are used to hypothesize that closely related peptide ligands are likely to interact with families of closely related RLKs and ligand-receptor systems can be identified to improve the understanding of developmental processes in plants.
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Pollen tube NAD(P)H oxidases act as a speed control to dampen growth rate oscillations during polarized cell growth.
TL;DR: By limiting pollen tube growth, ROS produced by NAD(P)H oxidases modulate the amplitude and frequency of pollen tube Growth rate oscillations, indicating that ROS influence K(+) homeostasis.
Journal ArticleDOI
Jasmonic acid perception by COI1 involves inositol polyphosphates in Arabidopsis thaliana.
TL;DR: The combined data from experiments using mutated COI1 variants, as well as yeast and Arabidopsis backgrounds altered in inositol polyphosphate metabolism, indicate that an inositl polyph phosphate, and probably InsP₅, contributes to COI 1 function.
Journal ArticleDOI
Differential Impact of Lipoxygenase 2 and Jasmonates on Natural and Stress-Induced Senescence in Arabidopsis
Martin A. Seltmann,Nadja Stingl,Jens K. Lautenschlaeger,Markus Krischke,Martin J. Mueller,Susanne Berger +5 more
TL;DR: Lipoxygenase 2-RNAi lines and the allene oxid synthase-deficient mutant dde2 were less sensitive to Sorbitol than the wild type, indicating that oxylipins contribute to the response to sorbitol stress.
Journal ArticleDOI
Root uptake of cationic amino acids by Arabidopsis depends on functional expression of amino acid permease 5
TL;DR: Root uptake of all tested amino acids, except L-Asp, was significantly affected in double AAP5*LHT1 mutants, suggesting that these two transporters account for a major proportion of roots' uptake of amino acids at low concentrations.
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