Abstract
The Gram-positive nosocomial pathogen Clostridium difficile induces sporulation during growth in the gastrointestinal tract. Sporulation is necessary for this obligate anaerobe to form metabolically dormant spores that can resist antibiotic treatment, survive exit from the mammalian host, and transmit C. difficile infections. In this chapter, we describe a method for inducing C. difficile sporulation in vitro. This method can be used to study sporulation and maximize spore purification yields for a number of C. difficile strain backgrounds. We also describe procedures for visualizing spore formation using phase-contrast microscopy and for quantifying the efficiency of sporulation using heat resistance as a measure of functional spore formation.
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Acknowledgments
K.F. is supported by T32 AI055402 from the National Institute of Allergy and Infectious Disease. A.S. is a Pew Scholar in the Biomedical Sciences, supported by The Pew Charitable Trusts; work in this manuscript was supported by start-up funds from Award Number P20 GM103496 and R01GM108684 from the National Institute of General Medical Sciences. The content is solely the responsibility of the authors and does not necessarily reflect the views of the Pew Charitable Trusts, the National Institute of Allergy and Infectious Disease, the National Institute of General Medical Sciences, or the National Institute of Health.
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Shen, A., Fimlaid, K.A., Pishdadian, K. (2016). Inducing and Quantifying Clostridium difficile Spore Formation. In: Roberts, A., Mullany, P. (eds) Clostridium difficile. Methods in Molecular Biology, vol 1476. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-6361-4_10
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DOI: https://doi.org/10.1007/978-1-4939-6361-4_10
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