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Recombinant DNA

Recombinant DNA

Biofilms

Biofilms

Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...

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Recombinant Protein Expression for Structural Biology in HEK 293F Suspension Cells: A Novel and Accessible Approach

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Published on: October 16, 2014

Recombinant protein expression in biofilms.

Alexandra Soares¹, Ana Azevedo¹, Luciana C Gomes¹

¹Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.

AIMS Microbiology

|October 31, 2019

Summary

Bacterial biofilms, particularly E. coli, can produce recombinant proteins like eGFP more effectively than planktonic cells. This research highlights biofilms as a promising method for high-density cell cultivation and protein expression in biotechnology.

Keywords:

Escherichia coli bacteria biofilm filamentous fungi green fluorescent protein recombinant protein

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The Multifaceted Benefits of Protein Co-expression in Escherichia coli

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Published on: February 5, 2015

Area of Science:

Biotechnology
Microbial Engineering
Protein Production

Background:

Biofilm research traditionally focuses on prevention, but recent attention is on their biotechnological applications.
Biofilm reactors offer advantages like higher biomass density and stability over suspended cell reactors.
Bacterial biofilms are emerging as a viable system for recombinant protein expression.

Purpose of the Study:

To review the advantages and concerns of using biofilms for recombinant protein production.
To summarize existing biofilm systems for protein expression.
To discuss microbial hosts for recombinant protein production in biofilms.

Main Methods:

Demonstrated E. coli biofilms producing enhanced green fluorescent protein (eGFP).
Compared protein production levels between biofilm and planktonic cultures.
Reviewed literature on biofilm systems and microbial hosts for recombinant protein production.

Main Results:

E. coli biofilms produced significantly higher levels of eGFP compared to planktonic cultures.
Attractive productivity was achieved even without optimizing cultivation conditions.
Biofilm cultures show potential as an alternative for high cell density cultivation (HCDC).

Conclusions:

Bacterial biofilms, especially E. coli, offer a promising platform for recombinant protein production.
Biofilm systems present advantages for high-density cultivation and protein expression.
Further investigation into microbial hosts and optimization is warranted for industrial applications.