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Research Article Volume 13 Issue 2
Sustainable strategy to harness residual lignin from wheat straw to mitigate climate change
Juan Manuel Sánchez-Yáñez
Received: July 31, 2025 | Published: August 6, 2025
Citation: Sánchez-Yáñez JM. Sustainable strategy to harness residual lignin from wheat straw to mitigate climate change. J Microbiol Exp. 2025;13(2):63-66. DOI: 10.15406/jmen.2025.13.00434
Abstract
Triticum aestivum (wheat) straw is one of the main rural wastes in the world that is incinerated, consequently air pollution with the release of greenhouse gases that will accelerate global warming. An option for biotechnological exploitation of wheat straw is the extraction of lignin with acetic acid and heat to obtain residual lignin from wheat straw (RELIWS). Therefore, the objectives of this work were: i) depolymerization of RELIWS by Aspergillus fumigatus into aromatics ii) Conversion of these aromatics from RELIWS into potential gibberellins (GIT) by Micromonospora echinospora, iii) evaluate the effect of potential GIT of M. echinospora on the phenology and biomass of Zea mays. To this end, RELIWS was extracted from wheat straw, depolymerized with A. fumigatus into aromatics, then transformed into potential GITs with M. echinospora , and the effect of the potential GIT on Z. mays was analyzed using the response variables: phenology: plant height (PH) and root length (RL); biomass: aerial and radical fresh weight (AFW/RFW); aerial and radical dry weight (ADW/RDW). The experimental data were analyzed using the ANOV A- Tukey program. The results showed the depolymerization of RELIWS by A. fumigatus laccase, as well as the conversion of aromatics from RELIWS by M. echinospora into potential GITs. While the effect of GITs by M. echinospora caused Z. mays (maize) to register a PH of 11.95cm, a LR of 18.06cm while in the biomass; an AFW value of 0.7g and 0.9g of RFW was registered with a dose of 50µL/seed of Z. mays. Compared the values of the pure std GI with a µL PH of 12.61cm, a RL of 17.09cm, these numerical values were statistically different from the seed treated with the std GI, with an AFW of 0.6g, an RFW of 0.4g. The above supports that RELIWS is a source of aromatics for conversion into a possible GITs. These numerical values were statistically different from those of Z. mays seed treated with the 100% mineral solution. Intelligent use of RELIWS prevents greenhouse gas generation and air pollution, and supports sustainable agriculture.
Keywords: Lignin, agricultural waste, plant growth promoters, phycomycetes, actinomycetes, mitigating climate change
©2025 Sánchez-Yáñez. This is an open access article distributed under the terms of the, which permits unrestricted use, distribution, and build upon your work non-commercially.