Related Experiment Videos
Ferret: a sentence-based literature scanning system.
Padmini Srinivasan1, Xiao-Ning Zhang2, Roxane Bouten3
1Computer Science, University of Iowa, Iowa City, IA, USA. padmini-srinivasan@uiowa.edu.
BMC Bioinformatics
|June 21, 2015
Summary
Ferret, a novel retrieval system, effectively extracts gene-centric relationships from biomedical literature. Case studies show its success in plant biology research, aiding scientists in discovering gene associations and generating new research questions.
Area of Science:
- Biomedical Informatics
- Genomics
- Bioinformatics
Background:
- The exponential growth of bioscience literature presents a significant challenge for researchers seeking relevant information.
- MEDLINE contains over 20 million citations, with new additions annually, necessitating advanced retrieval systems.
- Existing systems struggle to pinpoint specific gene-centric relationships within this vast dataset.
Purpose of the Study:
- To develop and evaluate Ferret, a prototype retrieval system for identifying and ranking gene-centric relationships.
- To assist scientists in navigating complex biomedical literature for gene discovery and analysis.
- To address challenges like gene name ambiguity and facilitate query expansion.
Main Methods:
- Ferret processes inputs including gene lists and keywords to retrieve relevant sentences and documents.
- The system handles gene name ambiguity and expands queries for broader search capabilities.
- Results are visualized using a heatmap, allowing users to explore species-specific gene information across different research stages.
Main Results:
- Ferret successfully identified gene families (e.g., bZIP) related to specific phenotypes in Arabidopsis thaliana.
- The system uncovered cross-species associations, linking Arabidopsis genes with information from potato and jasmine.
- Case studies demonstrated Ferret's ability to generate novel research questions, such as those involving salicylic acid in plant stress responses.
Conclusions:
- Ferret effectively retrieves relevant gene-centric sentences from PubMed, demonstrating its utility.
- The system's performance in three plant biology case studies indicates high end-user satisfaction.
- Ferret shows promise as a valuable tool for accelerating bioscience research and discovery.
Related Concept Videos
Scanning Electron Microscopy
5.2K
A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
Fundamental Principles
Accelerated...
Fundamental Principles
Accelerated...
5.2K
Leaky Scanning
5.5K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.5K