Types of Microorganisms for Biodegradation

Khalid, Shaimaa A.; Elsherif, Walaa M.

doi:10.1007/978-3-030-83783-9_2-1

Cited by 3 publications

(4 citation statements)

References 83 publications

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“…Hydrolysis involves the enzymatic biological degradation of complex organic compounds. Enzymes produced by anaerobic, hydrolytic microorganisms are used in this process [53]. During acidogenesis, the hydrolysates are further degraded into simpler compounds, mainly organic acids, alcohols and aldehydes, CO 2, and H 2 [54].…”

Section: Biomethane Productionmentioning

confidence: 99%

Biotechnological Valorization of Waste Glycerol into Gaseous Biofuels—A Review

Kazimierowicz,

Dębowski,

Zieliński

et al. 2024

Energies

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The supply of waste glycerol is rising steadily, partially due to the increased global production of biodiesel. Global biodiesel production totals about 47.1 billion liters and is a process that involves the co-production of waste glycerol, which accounts for over 12% of total esters produced. Waste glycerol is also generated during bioethanol production and is estimated to account for 10% of the total sugar consumed on average. Therefore, there is a real need to seek new technologies for reusing and neutralizing glycerol waste, as well as refining the existing ones. Biotechnological means of valorizing waste glycerol include converting it into gas biofuels via anaerobic fermentation processes. Glycerol-to-bioenergy conversion can be improved through the implementation of new technologies, the use of carefully selected or genetically modified microbial strains, the improvement of their metabolic efficiency, and the synthesis of new enzymes. The present study aimed to describe the mechanisms of microbial and anaerobic glycerol-to-biogas valorization processes (including methane, hydrogen, and biohythane) and assess their efficiency, as well as examine the progress of research and implementation work on the subject and present future avenues of research.

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Section: Biomethane Productionmentioning

confidence: 99%

Biotechnological Valorization of Waste Glycerol into Gaseous Biofuels—A Review

Kazimierowicz,

Dębowski,

Zieliński

et al. 2024

Energies

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“…Microorganisms play an important function in biodegradation; they help break down organic materials into simple compounds. Such microorganisms are primarily represented by bacteria, fungi, and certain species of algae (Khalid, S. A., et al, 2022) Microorganisms are able to break down complex molecules with the aid of enzymatic action and metabolic pathways, thus producing an essential portion of nutrient cycling and the management of waste in ecosystems.…”

Section: Microorganisms In Biodegradationmentioning

confidence: 99%

“…These microorganisms, namely bacteria, fungi, and archaea, are the major catabolizers of hydrocarbons, a complex and dynamic group of microbial communities that have the colossal potential to degrade numerous types of hydrocarbon compounds (Khalid, S. A., et al, 2022). Bacteria are well known for their metabolic force and process hydrocarbons entering their system through aerobic or anaerobic pathways using a variety of enzymatic tools they possess (Dell'Anno, F., et al, 2021).…”

Section: Bacteriamentioning

confidence: 99%

Petroleum Hydrocarbons Biodegradation Uncovering the Variety and Capabilities of Oil-Oxidizing Microbes

Hassand,

Omirbekova,

Baseer

et al. 2024

ejtas

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The biodegradation of petroleum hydrocarbons is a valuable process used to reduce the ecological influences of oil spills and pollution. This comprehensive review immerses readers in the sophisticated universe of oil-oxidizing organisms, the diversity and functionality of which are unveiled. By examining different bacterial groups, such as aerobic and anaerobic bacteria, fungi, archaea, and algae, the study shows enzymatic and metabolic processes exploited during biodegradation. Environmental factors, substrate characteristics, and microbial interactions are the main determinants that contribute to the good performance of the biodegradation of petroleum hydrocarbons. The effectiveness of various biotechnological strategies like in-situ and ex-situ bioremediation, bioaugmentation, and bio stimulation is being tested to determine their ability to embrace the microbial capabilities for environmental restoration.

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“…While various methods exist for the disposal and utilization of rapeseed straw, many of these techniques, such as burning, have environmental implications [14,16]. Biodegradation, especially using specific microbial strains, emerges as a promising alternative [17]. The potential of biotechnological approaches, harnessing the capabilities of fungi like Marasmius tricolor 310b, offers an avenue to not only manage these residues but also derive value-added products [18].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Marasmius tricolor 310b on the Degradation of Cellulose in Rapeseed Straw Composting

Wang,

Shi,

2023

Agronomy

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Composting, a vital process for organic waste management, hinges on intricate microbial dynamics. The role of specific microbial inoculants, such as fungi, in shaping these dynamics remains an area of keen interest. This study aimed to elucidate the impact of the fungal inoculant Marasmius tricolor 310b on composting dynamics, with a focus on temperature variations and the degradation of lignocellulosic components. We conducted a comprehensive composting experiment with four treatments: pure rapeseed straw, rapeseed straw with Marasmius tricolor 310b, a combination of rapeseed straw and pig manure, and the combination with Marasmius tricolor 310b. Temperature dynamics, lignocellulosic degradation rates, and fungal community structures were meticulously analyzed. While Marasmius tricolor 310b did not significantly alter the temperature profile, its presence markedly enhanced the degradation rates of cellulose and lignin. With the introduction of Marasmius tricolor 310b, the degradation rate of cellulose in the rapeseed straw compost increased from 0.0319 (ST) to 0.0419 (STM). In the combined rapeseed straw and pig manure compost, this rate rose from 0.0422 (STPM) to 0.045 (STPMM). For hemicellulose, the degradation rate in the rapeseed straw compost increased from 0.0103 (ST) to 0.014 (STM). However, in the combined compost, it slightly decreased from 0.0146 (STPM) to 0.013 (STPMM). As for lignin, its degradation rate in the rapeseed straw compost saw an increase from 0.0024 (ST) to 0.00366 (STM). In the combined compost, the rate rose from 0.00302 (STPM) to 0.00402 (STPMM). Fungal community analyses revealed discernible shifts in structure and diversity upon the fungus’s introduction. Network analyses further highlighted a highly interconnected microbial community, suggesting its robustness against perturbations. Temporal dynamics underscored the intricate interplay of microbial interactions, substrate availability, and external inoculants. The introduction of Marasmius tricolor 310b profoundly influences composting dynamics, offering valuable insights into microbial community interactions and presenting potential avenues for optimizing composting strategies.

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Types of Microorganisms for Biodegradation

Cited by 3 publications

References 83 publications

Biotechnological Valorization of Waste Glycerol into Gaseous Biofuels—A Review

Biotechnological Valorization of Waste Glycerol into Gaseous Biofuels—A Review

Petroleum Hydrocarbons Biodegradation Uncovering the Variety and Capabilities of Oil-Oxidizing Microbes

The Impact of Marasmius tricolor 310b on the Degradation of Cellulose in Rapeseed Straw Composting

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