Arabidopsis Information Resource

Arabidopsis Information Resource. It is a comprehensive online bioinformatics resource dedicated to the model organism Arabidopsis thaliana, a small flowering plant central to plant biology research. Established and maintained by the Carnegie Institution for Science at Stanford University, it integrates genetic, genomic, and molecular biology data. The platform serves as a critical hub for the global scientific community, providing curated data and analytical tools to advance understanding of plant function and development.

Overview

The primary mission is to curate, integrate, and disseminate biological data for Arabidopsis thaliana, which is often called the "laboratory mouse" of the plant world due to its small genome and rapid life cycle. It functions as a central database, housing the complete reference genome sequence produced by the Arabidopsis Genome Initiative. This resource supports diverse research areas including plant genetics, developmental biology, and responses to abiotic stress. By providing a unified portal, it enables researchers from institutions like the Salk Institute and the John Innes Centre to access standardized information crucial for experimental design and data interpretation.

History and development

The resource was launched in 1999, building upon earlier databases developed during the multinational Arabidopsis thaliana genome sequencing project. Its creation was driven by the need for a centralized repository following the completion of the genome sequence by the Arabidopsis Genome Initiative, a collaboration involving entities such as the National Science Foundation and the European Union. Initial development was led by scientists at the Carnegie Institution for Science, with key early contributions from researchers like David W. Meinke. Over time, it has evolved through sustained funding from grants, including those from the National Institutes of Health and the United States Department of Agriculture, expanding its scope and computational infrastructure.

Data and tools

The platform hosts a vast array of data types, including gene annotations, protein sequences, gene expression profiles from studies like those using DNA microarray technology, and phenotype information from mutant screens. It offers sophisticated search and analysis tools, such as BLAST for sequence homology searches, genome browsers for visualizing genomic features, and tools for exploring metabolic pathways. Users can access genetic maps, molecular marker data, and extensive literature links to publications in journals like The Plant Cell. The system also incorporates data from large-scale projects such as the 1001 Genomes Project, which explores natural variation within the species.

Community and outreach

It actively engages with the international plant science community through workshops, tutorials, and direct user support, often in collaboration with organizations like the International Arabidopsis Informatics Consortium. The resource maintains close ties with major research networks, including the North American Arabidopsis Steering Committee and the European Arabidopsis Stock Centre. Outreach efforts include training sessions at conferences such as the International Conference on Arabidopsis Research and providing educational materials for use at universities worldwide. This collaborative approach ensures the database reflects the needs and contributions of researchers from institutions across the globe, fostering a shared open access resource.

Impact and significance

The resource has been instrumental in accelerating discoveries in plant biology, providing the foundational data that has led to breakthroughs in understanding flowering time, plant hormone signaling, and disease resistance. Its structured data has supported countless studies published in high-impact journals including Nature and Science (journal). By serving as a model for other organismal databases, such as those for Drosophila melanogaster or Caenorhabditis elegans, it has influenced the broader field of bioinformatics. The availability of its high-quality, curated data continues to underpin research in agricultural biotechnology, contributing to efforts aimed at improving crop yield and sustainability in the face of climate change.

Category:Bioinformatics Category:Biological databases Category:Plant genetics