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Date: | Thu, 8 Mar 2012 13:48:27 -0500 |
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>> Reminder: Dissertation Defense Announcement:
>> To: The George Mason University Community
>>
>> *Candidate: Nuttachat Wisittipanit
>> Program: PhD Bioinformatics & Computational Biology
>> *
>> *Date: Monday March 12, 2012
>> Time: 10:00 a.m.
>> Place: George Mason University
>> ** Research Bldg, Room 161
>> Fairfax campus <http://www.gmu.edu/resources/visitors/findex.html>
>>
>> *Dissertation Director: Dr. Huzefa Rangwala
>> Committee Chair: Dr. Patrick Gillevet
>> Committee Members: Dr. Jason Kinser, Dr. Dmitri Klimov
>>
>> Title: "MACHINE LEARNING APPROACH FOR PROFILING HUMAN MICROBIOME"
>>
>> The dissertation is on reserve in the Johnson Center Library, Fairfax campus.
>> The doctoral project will not be read at the meeting, but should be read in advance.
>> /**/All members of the George Mason University community are invited to attend.
>>
>>
>> ABSTRACT:
>>
>> Understanding and characterizing the roles and variation of the
>> microbial organisms living within the human host is the main goal of
>> the international human microbial research community. These human
>> flora has shown the ability to harvest otherwise inaccessible
>> nutrients, synthesize vitamins and speed up the gut epithelial cell
>> renewal process. Successful characterization of the microbial
>> communities will have enormous impact towards improved human
>> nutrition, immunity, and medical treatments. The advent of highly
>> parallel Next Generation DNA sequencing technologies (NGS) makes it
>> possible to determine the genomic content of not only individual
>> organisms, but entire pools of co-existing species. Sequencing of
>> microbial organisms collectively, is referred to as metagenomic and
>> the comprehensive characterization of microbes within the human host
>> is referred to as the "microbiome". Using advanced computational
>> approaches, information about the microbial functions and community
>> characterizations can be elucidated from those complex data.
>>
>> The research in this area is spearheaded by the Human Microbiome
>> Project (HMP) initiative at the National Institute of Health. The
>> main goal of HMP is to generate resources that enable the
>> comprehensive characterization of the human microbiota and analysis
>> of its role in human health and disease. By combining both the NGS
>> technologies and traditional approaches for functional analysis, HMP
>> will lay the foundation for further studies of human-associated
>> microbial communities. The analysis of the deluge of information from
>> the HMP and other similar efforts has opened a new field of
>> microbiome research that is in severe need of computational tools
>> suitable for many areas of data analysis. The general objective of
>> this dissertation is to develop advanced computational tools
>> specialized in the human microbiome research to characterize the
>> microbial community based on sequence data, visualize the community
>> patterns and discover significant correlations between microbial taxa
>> and clinical diseases. These tools are developed using machine
>> learning approaches that are appropriate for analyzing complex
>> microbiome-related datasets due to their ability to extract
>> underlying information from the large and noisy data produced in this
>> research field. In this dissertation, we specifically develop machine
>> learning tools for microbiome analysis. The suite of tools includes
>> classification and clustering approaches coupled with an easy-to-use
>> web interface made publicly available. It is hoped that this work
>> will provide a foundation for further analysis of the microbiome.
>>
>> ###
>>
>>
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