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CHAPTER 2

Sodium. Its Role in Bacterial Metabolism

This chapter reviews the multiple roles of the sodium ion Na+ in the physiology of bacteria. Virtually all cells need to extrude Na+ in order to maintain a constant internal environment. In many bacteria, transport of Na+ out of the cell has an important additional role in harnessing energy and distributing it within the cell. In these cases, Na+ takes on the role otherwise played by H+ in chemiosmotic energetic functions. As a means of exploring these functions, we will examine a subset of Na+ transport enzymes that are prototypical of the various catalytic processes involved in Na+ homeostasis and Na+ chemiosmosis.

Publication details


Print publication date
28 Jul 2014
Copyright year
2014
Print ISBN
978-1-84973-599-5
PDF eISBN
978-1-84973-997-9
ePub eISBN
978-1-78262-282-6
From the book series:
Metallobiology