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Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
Published on: March 7, 2018
iGentifier: indexing and large-scale profiling of unknown transcriptomes.
Achim Fischer1, Alistair Lenhard, Heike Tronecker
1Gentana GmbH, Axaron Bioscience AG, Im Neuenheimer Feld 515, D-69120 Heidelberg/FRG. achim.fischer@altanapharma.com
Nucleic Acids Research
|June 27, 2007
Summary
A new method, iGentifier, profiles transcriptomes to identify genes in barley plants responding to powdery mildew. This technology aids in understanding plant-pathogen interactions and discovering durable resistance markers.
Area of Science:
- Molecular biology
- Plant pathology
- Genomics
Background:
- Differential gene expression analysis is crucial for molecular biology advancements.
- Existing microarray analysis methods have limitations in transcriptome profiling.
- Understanding plant responses to pathogens is key for crop improvement.
Purpose of the Study:
- To introduce iGentifier, a novel technology for profiling known and unknown transcriptomes.
- To bypass limitations of current transcriptome analysis techniques.
- To identify genes involved in barley's response to powdery mildew infection.
Main Methods:
- iGentifier technology combines fragment display and tag sequencing.
- High-throughput sample analysis using capillary electrophoresis.
- Application to epidermal tissue of barley (Hordeum vulgare) infected with powdery mildew (Blumeria graminis).
Main Results:
- Identification of hundreds of genes induced or repressed upon powdery mildew infection.
- Many identified genes are known to respond to fungal pathogens or stressors.
- Ten candidate marker genes for durable resistance mediated by the mlo5 gene were identified.
Conclusions:
- iGentifier is an effective high-throughput technology for transcriptome profiling.
- The study identified key genes involved in barley's defense against powdery mildew.
- Candidate marker genes offer potential for breeding durable disease resistance in barley.
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