Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues
ABSTRACT Screening for thousands of viruses and other pathogenic microorganisms, including bacteria, fungi, and parasites, in human tumor tissues will provide a better understanding of the contributory role of the microbiome in the predisposition for, causes of, and therapeutic responses to the asso...
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American Society for Microbiology
2014
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oai:doaj.org-article:56bc6903ec1744d2823ec88ef6cc896c2021-11-15T15:45:54ZMetagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues10.1128/mBio.01714-142150-7511https://doaj.org/article/56bc6903ec1744d2823ec88ef6cc896c2014-10-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/mBio.01714-14https://doaj.org/toc/2150-7511ABSTRACT Screening for thousands of viruses and other pathogenic microorganisms, including bacteria, fungi, and parasites, in human tumor tissues will provide a better understanding of the contributory role of the microbiome in the predisposition for, causes of, and therapeutic responses to the associated cancer. Metagenomic assays designed to perform these tasks will have to include rapid and economical processing of large numbers of samples, supported by straightforward data analysis pipeline and flexible sample preparation options for multiple input tissue types from individual patients, mammals, or environmental samples. To meet these requirements, the PathoChip platform was developed by targeting viral, prokaryotic, and eukaryotic genomes with multiple DNA probes in a microarray format that can be combined with a variety of upstream sample preparation protocols and downstream data analysis. PathoChip screening of DNA plus RNA from formalin-fixed, paraffin-embedded tumor tissues demonstrated the utility of this platform, and the detection of oncogenic viruses was validated using independent PCR and deep sequencing methods. These studies demonstrate the use of the PathoChip technology combined with PCR and deep sequencing as a valuable strategy for detecting the presence of pathogens in human cancers and other diseases. IMPORTANCE This work describes the design and testing of a PathoChip array containing probes with the ability to detect all known publicly available virus sequences as well as hundreds of pathogenic bacteria, fungi, parasites, and helminths. PathoChip provides wide coverage of microbial pathogens in an economical format. PathoChip screening of DNA plus RNA from formalin-fixed, paraffin-embedded tumor tissues demonstrated the utility of this platform, and the detection of oncogenic viruses was validated using independent PCR and sequencing methods. These studies demonstrate that the PathoChip technology is a valuable strategy for detecting the presence of pathogens in human cancers and other diseases.Don A. BaldwinMichael FeldmanJames C. AlwineErle S. RobertsonAmerican Society for MicrobiologyarticleMicrobiologyQR1-502ENmBio, Vol 5, Iss 5 (2014) |
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Microbiology QR1-502 |
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Microbiology QR1-502 Don A. Baldwin Michael Feldman James C. Alwine Erle S. Robertson Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues |
description |
ABSTRACT Screening for thousands of viruses and other pathogenic microorganisms, including bacteria, fungi, and parasites, in human tumor tissues will provide a better understanding of the contributory role of the microbiome in the predisposition for, causes of, and therapeutic responses to the associated cancer. Metagenomic assays designed to perform these tasks will have to include rapid and economical processing of large numbers of samples, supported by straightforward data analysis pipeline and flexible sample preparation options for multiple input tissue types from individual patients, mammals, or environmental samples. To meet these requirements, the PathoChip platform was developed by targeting viral, prokaryotic, and eukaryotic genomes with multiple DNA probes in a microarray format that can be combined with a variety of upstream sample preparation protocols and downstream data analysis. PathoChip screening of DNA plus RNA from formalin-fixed, paraffin-embedded tumor tissues demonstrated the utility of this platform, and the detection of oncogenic viruses was validated using independent PCR and deep sequencing methods. These studies demonstrate the use of the PathoChip technology combined with PCR and deep sequencing as a valuable strategy for detecting the presence of pathogens in human cancers and other diseases. IMPORTANCE This work describes the design and testing of a PathoChip array containing probes with the ability to detect all known publicly available virus sequences as well as hundreds of pathogenic bacteria, fungi, parasites, and helminths. PathoChip provides wide coverage of microbial pathogens in an economical format. PathoChip screening of DNA plus RNA from formalin-fixed, paraffin-embedded tumor tissues demonstrated the utility of this platform, and the detection of oncogenic viruses was validated using independent PCR and sequencing methods. These studies demonstrate that the PathoChip technology is a valuable strategy for detecting the presence of pathogens in human cancers and other diseases. |
format |
article |
author |
Don A. Baldwin Michael Feldman James C. Alwine Erle S. Robertson |
author_facet |
Don A. Baldwin Michael Feldman James C. Alwine Erle S. Robertson |
author_sort |
Don A. Baldwin |
title |
Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues |
title_short |
Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues |
title_full |
Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues |
title_fullStr |
Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues |
title_full_unstemmed |
Metagenomic Assay for Identification of Microbial Pathogens in Tumor Tissues |
title_sort |
metagenomic assay for identification of microbial pathogens in tumor tissues |
publisher |
American Society for Microbiology |
publishDate |
2014 |
url |
https://doaj.org/article/56bc6903ec1744d2823ec88ef6cc896c |
work_keys_str_mv |
AT donabaldwin metagenomicassayforidentificationofmicrobialpathogensintumortissues AT michaelfeldman metagenomicassayforidentificationofmicrobialpathogensintumortissues AT jamescalwine metagenomicassayforidentificationofmicrobialpathogensintumortissues AT erlesrobertson metagenomicassayforidentificationofmicrobialpathogensintumortissues |
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1718427584405962752 |