---
title: Streptococcus ratti
description: This Gram positive coccus is most frequently found in pairs and short chains of spherical or ovoid cells. Cells are catalase negative and exhibit facultatively anaerobic metabolism. Isolated from the mouth of laboratory rats, and less frequently from humans. Not…
url: "https://vumicro.com/docs/streptococcus-ratti/"
updated: "2022-03-25"
category: Reference Library / Gram positive cocci
---

# Streptococcus ratti

This Gram positive coccus is most frequently found in pairs and short chains of spherical or ovoid cells. Cells are catalase negative and exhibit facultatively anaerobic metabolism. Isolated from the mouth of laboratory rats, and less frequently from humans. Not known to be a factor in diseases of humans.

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