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Published on: May 2, 2018
Identification of Rust Fungi Using High-Throughput Sequencing Data from Environmental Samples.
Samuel Holden1,2, Sang Hu Kim3, Wen Chen4
1Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada. Samuel.holden@ubc.ca.
This study presents in silico methods for identifying and classifying microbes in sequencing data from environmental samples, crucial for accurate plant-associated microbe research. These quality control steps ensure data integrity for downstream analyses, especially with complex field samples like rust fungi.
Area of Science:
- Microbiology
- Bioinformatics
- Plant Pathology
Background:
- Environmental samples harbor diverse microbial communities, posing challenges for targeted research.
- Maintaining axenic cultures of plant pathogens like rust fungi requires stringent laboratory protocols.
- Next-generation sequencing (NGS) generates large datasets often containing non-target genetic material.
Purpose of the Study:
- To detail in silico approaches for identifying and classifying organisms within sequencing data.
- To provide essential quality control (QC) steps for analyzing environmental sequencing data.
- To address challenges in analyzing plant-associated microbial communities, particularly rust fungi.
Main Methods:
- In silico analysis of sequencing data.
- Quality control and filtering of next-generation sequencing reads.
- Bioinformatic classification of microbial genetic material.
Main Results:
- Developed and applied computational methods for sample identification and classification.
- Demonstrated the importance of filtering non-target reads in environmental sequencing data.
- Highlighted potential pitfalls of assuming target organisms only in sequencing datasets.
Conclusions:
- In silico methods are vital for accurate microbial community analysis from environmental samples.
- Implementing QC steps ensures the reliability of sequencing data for plant-associated microbe studies.
- These approaches are broadly applicable but may require species-specific adjustments.
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