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Updated: May 6, 2026

Techniques for the Evolution of Robust Pentose-fermenting Yeast for Bioconversion of Lignocellulose to Ethanol
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Advances in L-Lactic Acid Production from Lignocellulose Using Genetically Modified Microbial Systems.

Lucila Díaz-Orozco1, Mario Moscosa Santillán1, Rosa Elena Delgado Portales1

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Summary

Agave bagasse, an agro-industrial residue, can be used to sustainably produce lactic acid via microbial fermentation. This approach offers a cost-effective and environmentally friendly alternative to traditional sugar-based methods.

Keywords:
agricultural residuesgenetically modified microorganismslactic acid productionlignocellulosic biomasssustainable biotechnological processes

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Area of Science:

  • Biotechnology and Industrial Microbiology
  • Sustainable Chemistry
  • Biorefining

Background:

  • Lactic acid is a key industrial chemical with diverse applications.
  • Conventional production from refined sugars is costly and environmentally impactful.
  • Lignocellulosic biomass, like agave bagasse, offers a sustainable alternative feedstock.

Purpose of the Study:

  • To review the potential of lignocellulosic biomass, specifically agave bagasse, for lactic acid production.
  • To explore microbial fermentation processes using agricultural residues.
  • To highlight sustainable alternatives to conventional lactic acid manufacturing.

Main Methods:

  • Analysis of lignocellulosic biomass composition and pretreatment strategies.
  • Selection and application of lactic acid bacteria (LAB), including genetically modified microorganisms (GMMs).
  • Optimization of fermentation conditions for enhanced yield.

Main Results:

  • Agave bagasse is rich in fermentable carbohydrates, suitable for biotechnological conversion.
  • LAB, especially GMMs, can improve fermentation efficiency and lactic acid yield.
  • Valorization of agro-industrial residues offers a promising route for sustainable chemical production.

Conclusions:

  • Lignocellulosic biomass presents a viable and sustainable substrate for lactic acid fermentation.
  • Biotechnological processing of agro-industrial residues can lead to cost-effective and eco-friendly lactic acid production.
  • This approach supports the circular economy by valorizing waste streams.