Metagenomics in ophthalmology: Hypothesis or real prospective?

Paola Gallon, Mohit Parekh, Stefano Ferrari, Adriano Fasolo, Diego Ponzin, Davide Borroni

Research output: Contribution to journalReview articlepeer-review

6 Citations (Scopus)


Metagenomic analysis was originally associated with the studies of genetic material from environmental samples. But, with the advent of the Human Microbiome Project, it has now been applied in clinical practices. The ocular surface (OS) is the most exposed part of the eye, colonized by several microbial communities (both, OS and environmental) that contribute to the maintenance of the physiological state. Limited knowledge has been acquired on these microbes due to the limitations of conventional diagnostic methods. Emerging fields of research are focusing on Next Generation Sequencing (NGS) technologies to obtain reliable information on the OS microbiome. Currently only pre-specified pathogens can be detected by conventional culture-based techniques or Polymerase Chain Reaction (PCR), but there are conditions to state whether metagenomics could revolutionize the diagnosis of ocular diseases. The aim of this review is to provide an updated overview of the studies involving NGS technology for OS microbiome.

Original languageEnglish
Article numbere00355
JournalBiotechnology Reports
Publication statusPublished - Sep 2019
Externally publishedYes


  • Metagenomics
  • Microbiome
  • NGS (next generation sequencing)
  • Ocular infection
  • Ocular surface

Field of Science

  • 3.2 Clinical medicine

Publication Type

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database


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