@article {506926,
	title = {Refining a key metabolic innovation in Escherichia coli},
	journal = {PNAS},
	volume = {111},
	year = {2014},
	pages = {2056-2057},
	url = {http://www.pnas.org/content/111/6/2056.full},
	author = {S. Kryazhimskiy and Desai, MM}
}
