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Updated: May 27, 2026
Bacterial Inner-membrane Display for Screening a Library of Antibody Fragments
Published on: October 15, 2016
Generation of scFv phages specific to Staphylococcus enterotoxin C1 by panning on related antigens
Anna V Lomonosova1, Alexander G Laman, Ksenia K Fursova
1Pushchino Branch of Shemyakin-Ovchinnikov Institute of Biororganic Chemistry, Moscow, Russia.
Abstract:
A method for generation of highly specific miniantibodies within the phage particle has been developed, and used to produce antibodies against Staphylococcus enterotoxin type C1. Under successive panning of the non-immune phage miniantibody (scFv) library with enterotoxins SE (types A, B, C1, D, E, G, and I) adsorbed on the plate surface, we generated 11 individual phage clones to Staphylococcus enterotoxin type C1. Five of them interacted specifically only with SEC1 and had no cross-reactions with the other enterotoxins.
Insights
Researchers developed a phage display method to create highly specific miniantibodies. This technique successfully produced antibodies targeting Staphylococcus enterotoxin type C1, with five clones showing no cross-reactivity to other enterotoxins.
Area of Science:
- Immunotechnology
- Microbiology
- Protein Engineering
Background:
- Phage display technology enables the selection of specific antibody fragments.
- Staphylococcus enterotoxin type C1 (SEC1) is a significant foodborne pathogen.
Purpose of the Study:
- To develop a method for generating highly specific miniantibodies using phage display.
- To produce and characterize miniantibodies against Staphylococcus enterotoxin type C1.
Main Methods:
- A non-immune phage miniantibody (scFv) library was panned against various Staphylococcus enterotoxins.
- Phage clones were screened for specific binding to Staphylococcus enterotoxin type C1.
Main Results:
- Eleven phage clones were generated that bind to Staphylococcus enterotoxin type C1.
- Five of these clones demonstrated specific binding exclusively to SEC1, with no cross-reactivity to other tested enterotoxins.
Conclusions:
- The developed phage display method is effective for generating highly specific miniantibodies.
- The identified specific anti-SEC1 miniantibodies hold potential for diagnostic or therapeutic applications.
