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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Autores principales: Don A. Baldwin, Michael Feldman, James C. Alwine, Erle S. Robertson
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Publicado: American Society for Microbiology 2014
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic Microbiology
QR1-502
spellingShingle 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
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AT jamescalwine metagenomicassayforidentificationofmicrobialpathogensintumortissues
AT erlesrobertson metagenomicassayforidentificationofmicrobialpathogensintumortissues
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