Measuring of Mycobacterium tuberculosis growth. A correlation of the optical measurements with colony forming units

Katia Peñuelas-Urquides, Licet Villarreal-Treviño, Beatriz Silva-Ramírez, Liliana Rivadeneyra-Espinoza, Salvador Said-Fernández, Mario Bermúdez de León

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

The quantification of colony forming units (cfu), turbidity, and optical density at 600 nm (OD 600) measurements were used to evaluate Mycobacterium tuberculosis growth. Turbidity and OD 600 measurements displayed similar growth curves, while cfu quantification showed a continuous growth curve. We determined the cfu equivalents to McFarland and OD 600 units.

Original languageEnglish
Pages (from-to)287-290
Number of pages4
JournalBrazilian Journal of Microbiology
Volume44
Issue number1
DOIs
Publication statusPublished - 25 Jun 2013
Externally publishedYes

Bibliographical note

Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • Microbiology

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