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Related Experiment Video

Updated: Dec 27, 2025

Efficient Agroinfiltration of Plants for High-level Transient Expression of Recombinant Proteins

Efficient Agroinfiltration of Plants for High-level Transient Expression of Recombinant Proteins

Published on: July 23, 2013

A New Plant Expression System for Producing Pharmaceutical Proteins.

Nazrin Abd-Aziz¹, Boon Chin Tan², Nur Ardiyana Rejab^1,2

¹Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia.

Molecular Biotechnology

|February 29, 2020

Summary

Mucuna bracteata offers a novel, cost-efficient platform for producing recombinant pharmaceutical proteins. This study demonstrates its potential for high-level transient expression of anti-toxoplasma immunoglobulin (IgG) via vacuum-assisted agro-infiltration.

Keywords:

Biopharming Mucuna bracteata Recombinant pharmaceutical protein Transient expression

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Published on: March 23, 2015

Area of Science:

Plant biotechnology
Molecular farming
Biopharmaceutical production

Background:

Plants are increasingly recognized for recombinant protein production due to safety, scalability, and post-translational modification capabilities.
Mucuna bracteata, a nitrogen-fixing legume, presents ideal characteristics for cost-effective, large-scale recombinant protein manufacturing.

Purpose of the Study:

To establish Mucuna bracteata as a novel transient expression platform for recombinant pharmaceutical proteins.
To optimize vacuum-assisted agro-infiltration parameters for heterologous protein production in M. bracteata.

Main Methods:

Transient expression of anti-toxoplasma immunoglobulin (IgG) in M. bracteata using Agrobacterium tumefaciens-mediated vacuum infiltration.
Evaluation of parameters including leaf position, harvest time, and bacterial strain.
Analysis of purified IgG using Western blot and ELISA.

Main Results:

Agrobacterium tumefaciens strain GV3101 yielded the highest protein concentration in the bottom trifoliate leaf at 2 days post-infiltration.
Transient expression levels of anti-toxoplasma IgG were twofold higher than in Nicotiana benthamiana.
Structural heterogeneity was observed in the purified IgG, but expression levels were promising.

Conclusions:

Mucuna bracteata is a viable and efficient platform for transient recombinant protein production.
Optimized agro-infiltration protocols enhance heterologous protein yield in M. bracteata.
Further research can establish M. bracteata for industrial-scale biopharmaceutical manufacturing.