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Updated: May 12, 2026

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly
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Cell surface engineering with edible protein nanoshells.

Irina Drachuk1, Olga Shchepelina, Svetlana Harbaugh

  • 1School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.

Small (Weinheim an Der Bergstrasse, Germany)
|April 23, 2013
PubMed
Summary
This summary is machine-generated.

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Natural silk fibroin nanoshells protect Saccharomyces cerevisiae yeast cells without compromising viability. These biodegradable protein capsules offer controlled cell protection and on-demand release, enhancing cell encapsulation applications.

Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Synthetic Biology

Background:

  • Traditional cell encapsulation methods often use synthetic materials that can compromise cell viability and activity.
  • Developing biocompatible and biodegradable alternatives for cell protection is crucial for advanced biotechnological applications.

Purpose of the Study:

  • To develop a novel cell encapsulation method using natural silk fibroin nanoshells for Saccharomyces cerevisiae.
  • To evaluate the viability, activity, and biodegradability of yeast cells encapsulated within silk fibroin nanoshells.

Main Methods:

  • Assembly of silk fibroin nanoshells on Saccharomyces cerevisiae yeast cells using a gentle ionic treatment.
  • Assessment of cell viability and activity post-encapsulation and in response to inducers.
Keywords:
LbL coatingsbiodegradationencapsulated cellsprotein nanoshellsyeast cells

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  • Evaluation of the biodegradability and consumption of silk fibroin shells by yeast cells.

    • Main Results:

    • Silk fibroin nanoshells were successfully assembled on yeast cells without compromising viability, achieving rates up to 97%.
    • Encapsulated cells demonstrated immediate response to inducers, indicating preserved activity.
    • The porous, natural protein shells were biocompatible, biodegradable, and consumed by the cells post-encapsulation.

    Conclusions:

    • Silk fibroin nanoshells provide a promising platform for biocompatible and biodegradable cell encapsulation.
    • This method enables controlled cell protection, facilitates transfer to different environments, and allows for on-demand release.
    • The natural, degradable nature of silk proteins offers advantages over traditional synthetic encapsulation materials.