Concentration difference of aspartate that can be deteced

Value 10 nM
Organism Bacteria Escherichia coli
Reference Sourjik V. Receptor clustering and signal processing in E. coli chemotaxis. Trends Microbiol. 2004 Dec12(12):569-76. p.572 right column top paragraphPubMed ID15539117
Primary Source Mao H, Cremer PS, Manson MD. A sensitive, versatile microfluidic assay for bacterial chemotaxis. Proc Natl Acad Sci U S A. 2003 Apr 29 100(9):5449-54.PubMed ID12704234
Comments "The chemotactic response in E. coli is extremely sensitive, and cells respond to the addition of as little as 10 nM aspartate [primary source]. This corresponds to less than 10 molecules of aspartate in a volume of an E. coli cell (approximately 1.4 femtoliter) [PMID 15539117]."
Entered by Uri M
ID 109306