Accession Number : ADA582983


Title :   Biodiscovery of Aluminum Binding Peptides


Descriptive Note : Conference paper


Corporate Author : ARMY RESEARCH LAB ADELPHI MD


Personal Author(s) : Adams, Bryn L ; Sarkes, Deborah A ; Finch, Amethist S ; Hurley, Margaret M ; Stratis-Cullum, Dimitra


Full Text : http://www.dtic.mil/get-tr-doc/pdf?AD=ADA582983


Report Date : Aug 2013


Pagination or Media Count : 18


Abstract : Cell surface peptide display systems are large and diverse libraries of peptides (7-15 amino acids) which are presented by a display scaffold hosted by a phage (virus), bacteria, or yeast cell. This allows the selfsustaining peptide libraries to be rapidly screened for high affinity binders to a given target of interest, and those binders quickly identified. Peptide display systems have traditionally been utilized in conjunction with organic-based targets, such as protein toxins or carbon nanotubes. However, this technology has been expanded for use with inorganic targets, such as metals, for biofabrication, hybrid material assembly and corrosion prevention. While most current peptide display systems employ viruses to host the display scaffold, we have recently shown that a bacterial host, Escherichia coli, displaying peptides in the ubiquitous, membrane protein scaffold eCPX can also provide specific peptide binders to an organic target. We have, for the first time, extended the use of this bacterial peptide display system for the biodiscovery of aluminum binding 15mer peptides. We will present the process of biopanning with macroscopic inorganic targets, binder enrichment, and binder isolation and discovery.


Descriptors :   *ALUMINUM , *PEPTIDES , BACTERIA , BACTERIOPHAGES , BINDERS , CARBON NANOTUBES , CELLS , CORROSION INHIBITION , DISPLAY SYSTEMS , ENRICHMENT , ESCHERICHIA COLI , EXPANSION , HYBRID SYSTEMS , INORGANIC MATERIALS , ISOLATION , MEMBRANES , PROTEINS , REPRINTS , TARGETS , TOXINS AND ANTITOXINS , VIRUSES , YEASTS


Subject Categories : Biochemistry


Distribution Statement : APPROVED FOR PUBLIC RELEASE