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Updated: May 26, 2026

Gene Expression Profiling of Infecting Microbes Using a Digital Bar-coding Platform
Published on: January 13, 2016
Applications of functional gene microarrays for profiling microbial communities.
Zhili He1, Joy D Van Nostrand, Jizhong Zhou
1Institute for Environmental Genomics, Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019, USA.
Functional gene arrays (FGAs) offer sensitive, high-throughput microbial community analysis. This review details FGA applications, methods, and future directions for understanding microbial ecosystems.
Area of Science:
- Microbial Ecology
- Environmental Microbiology
- Molecular Biology
Background:
- Functional gene arrays (FGAs) are powerful tools for microbial community analysis.
- GeoChips represent a comprehensive FGA platform for diverse habitats.
- FGAs link microbial structure to ecosystem functions and environmental properties.
Purpose of the Study:
- To review the applications of FGA technology for microbial community profiling.
- To cover target preparation, hybridization, data processing, and analysis.
- To discuss current challenges and future prospects of FGA applications.
Main Methods:
- Review of existing literature on Functional Gene Array (FGA) applications.
- Focus on GeoChips as a comprehensive FGA platform.
- Discussion of methodologies including target preparation, hybridization, and data analysis.
Main Results:
- FGAs provide specific, sensitive, quantitative, and high-throughput microbial community characterization.
- Applications span diverse environments like soils, aquatic ecosystems, and bioreactors.
- FGAs address key ecological questions in global change, bioremediation, and human health.
Conclusions:
- FGAs are essential for detailed microbial community profiling and ecological research.
- Further development is needed to address current challenges and expand FGA applications.
- FGA technology holds significant potential for advancing our understanding of microbial ecosystems.
Related Concept Videos
Methods to Assess Microbial Communities
DNA Microarrays
Modern Molecular Taxonomy
Methods to Assess Microbial Populations
Applications of Molecular Taxonomy
Microbial Biosensors

