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Papers
20 resultsShowing papers similar to The Digestive Master of the Insect World: The Digestive System and Application Value of Mealworms
ClearIsolation of Plastic Digesting Microbes from the Gastrointestinal Tract of Tenebrio Molitor
Researchers isolated bacteria from the gut of Tenebrio molitor mealworm larvae that are capable of degrading polystyrene and polyethylene microplastics. The identified gut microbes showed plastic-degrading enzymatic activity, suggesting potential for bioremediation applications.
Mitigation of Soil Pollution by Biodegradation of Plastic Materials through Activity of Mealworms
This review examines how mealworms (Tenebrio molitor) can biodegrade plastics including polystyrene and polyethylene, and discusses their use in circular production systems. Insect-based plastic biodegradation represents a promising biological approach to reducing plastic waste before it fragments into microplastics in the environment.
Feeding and metabolism effects of three common microplastics on Tenebrio molitor L.
Mealworm larvae from three Chinese regions were fed microplastics (polystyrene, PVC, and LDPE) and were found to actually break down some of the plastic in their gut. The ability of mealworms to partially degrade certain plastics makes them a potential tool for biological plastic waste management.
Overlooked role of peristalsis-driven gut fragmentation of microplastics by plastivore Tenebrio molitor larvae
Researchers investigated the role of gut peristalsis in microplastic degradation by the mealworm Tenebrio molitor, finding that intestinal mechanical fragmentation is essential for both propelling and breaking down ingested plastic. When peristalsis was inhibited, microplastic removal efficiency dropped sharply, revealing a key physical mechanism underlying plastivore biodegradation.
Biodegradation of Different Types of Plastics by Tenebrio molitor Insect
This study reviewed the potential of mealworm beetle larvae (Tenebrio molitor) to biodegrade multiple plastic types through gut microbiota activity, finding that the larvae could break down various polymers including polystyrene and polyethylene, making entomoremediation a promising avenue for plastic waste reduction.
Tenebrio molitor in the circular economy: a novel approach for plastic valorisation and PHA biological recovery
Mealworm beetles (Tenebrio molitor) can biodegrade certain plastics, and their gut bacteria produce polyhydroxyalkanoates (PHA), a biodegradable bioplastic. This study explores using mealworms as a circular-economy tool to convert plastic waste into biodegradable materials.
Gut microbiome of mealworms (Tenebrio molitor Larvae) show similar responses to polystyrene and corn straw diets
Researchers compared the gut microbiomes of mealworms fed polystyrene plastic versus corn straw and found strikingly similar microbial community responses to both diets. The findings suggest that the ability of mealworm larvae to break down plastics likely evolved from ancient biological mechanisms originally designed to digest natural plant fibers like lignocellulose. The study points to mealworm gut bacteria as a potential resource for developing biological plastic degradation strategies.
Responses of gut microbiomes to commercial polyester polymer biodegradation in Tenebrio molitor Larvae
Researchers demonstrated that mealworms (Tenebrio molitor) can rapidly biodegrade commercial polyethylene terephthalate microplastics, with gut microbiome analysis revealing specific bacterial communities that shift in response to PET consumption and enable its breakdown.
Can the insects Galleria mellonella and Tenebrio molitor be the future of plastic biodegradation?
This review examines recent discoveries about how wax moth and mealworm larvae can break down common plastics using enzymes in their saliva and gut microorganisms. Researchers found that these insects offer a promising biological alternative to traditional plastic disposal methods like landfilling and incineration, which themselves contribute to microplastic pollution. The study highlights key challenges including the need for standardized testing methods and proposes innovative ideas like using insects as living bioreactors for plastic waste processing.
Biodegradation of various grades of polyethylene microplastics by Tenebrio molitor and Tenebrio obscurus larvae: Effects on their physiology
Mealworm larvae (Tenebrio molitor and Tenebrio obscurus) were fed different grades of polyethylene plastic to test their ability to biodegrade this common plastic. Both species could consume and partially break down all three types of polyethylene, though the process caused oxidative stress and shifted their gut bacteria. This research suggests biological degradation of plastic waste is possible, which could help reduce the environmental breakdown of plastics into harmful microplastics.
Biodegradation of polylactic acid by yellow mealworms (larvae of Tenebrio molitor) via resource recovery: A sustainable approach for waste management
Researchers demonstrated that yellow mealworm larvae (Tenebrio molitor) can biodegrade polylactic acid plastic with up to 90.9% conversion efficiency on a pure PLA diet and proposed a circular waste management approach where PLA plastic serves as feedstock for insect biomass production and the resulting frass is used as fertilizer.
The use of insects, some land and marine invertebrates, in the biodegradation of plastic
This review examines the potential of insects and invertebrates—including mealworms, wax moths, and shipworms—to biodegrade plastics, microplastics, and nanoplastics, summarizing the gut microbiomes and enzymes involved and the prospects for practical bioremediation.
Biodegradation of polyethylene, biodegradable-polyethylene bags and corn residues using Tenebrio molitor larvae
This Spanish-language study tested the ability of mealworm larvae (Tenebrio molitor) to biodegrade different types of polyethylene plastic, including conventional LDPE and biodegradable varieties. The larvae could degrade all plastic types tested, suggesting insect-based digestion as a viable plastic waste management strategy.
Sourcing chitin from exoskeleton of Tenebrio molitor fed with polystyrene or plastic kitchen wrap
Researchers sourced chitin from the exoskeletons of mealworm larvae fed diets containing polystyrene or plastic kitchen wrap mixed with bran. The study found that while plastic-fed larvae produced heavier exoskeletons, no plastic residues were detected in the chitin, suggesting that mealworms can effectively degrade plastic waste while still yielding usable chitin.
Tenebrio molitor: possible source of polystyrene-degrading bacteria
Researchers identified that Klebsiella oxytoca bacteria, found in the gut of mealworm beetles (Tenebrio molitor), may be key players in breaking down polystyrene plastic, pointing to insects as a potential source of microbe-based plastic biodegradation solutions.
Mitogenomic profiling and gut microbial analysis of the newly identified polystyrene-consuming lesser mealworm in Kenya
Researchers identified a lesser mealworm species in Kenya capable of consuming and surviving on polystyrene plastic, while also characterizing the gut bacteria — including Kluyvera and Enterobacter — likely responsible for plastic breakdown. This is the first report of plastic-degrading lesser mealworms from Africa and points toward insect-based bioremediation as a promising tool for plastic waste management.
Biodegradation of Post-Consumer Expanded Polystyrene and Low-Density Polyethylene by Tenebrio molitor Larvae
Scientists found that mealworms (beetle larvae) can actually break down used plastic bags and foam containers by eating them and changing their chemical structure. The mealworms produce waste that contains smaller plastic pieces and chemical compounds, which could potentially reduce plastic pollution in the environment. This research is important because it shows a natural way to help deal with the massive amounts of plastic waste that currently pile up in landfills and oceans.
Biodegradation of Polyvinyl Chloride (PVC) in Tenebrio molitor (Coleoptera: Tenebrionidae) larvae
Tenebrio molitor mealworm larvae were tested for their ability to biodegrade rigid polyvinyl chloride (PVC) microplastic powder. The larvae depolymerized and partially biodegraded PVC, extending earlier findings that mealworms can degrade polystyrene and polyethylene to a third major plastic polymer type.
Plastic Biodegradation through Insects and their Symbionts Microbes: A Review
This review examines how insects and their gut microbes can break down plastic waste, covering species like mealworms and waxworms that can digest polyethylene and polystyrene. The bacteria living in insect guts are responsible for much of this plastic-degrading activity. Insect-based biodegradation could offer a scalable biological solution to reducing plastic pollution.
Using Insect Larvae and Their Microbiota for Plastic Degradation
This review summarizes research on insect larvae, including wax worms and mealworms, that can eat and break down plastic using bacteria and enzymes in their guts. Recent discoveries include novel plastic-degrading enzymes found in wax worm saliva that can begin breaking down polyethylene within hours. While still far from a large-scale solution, this biological approach to plastic degradation could eventually help reduce the microplastic pollution that threatens ecosystems and human health.