Biologia, Journal Year: 2025, Volume and Issue: unknown
Published: March 3, 2025
Language: Английский
Biologia, Journal Year: 2025, Volume and Issue: unknown
Published: March 3, 2025
Language: Английский
Environmental Research, Journal Year: 2023, Volume and Issue: 231, P. 115988 - 115988
Published: April 25, 2023
Language: Английский
Citations
51Environmental Pollution, Journal Year: 2023, Volume and Issue: 320, P. 121076 - 121076
Published: Jan. 12, 2023
Language: Английский
Citations
47The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 924, P. 171580 - 171580
Published: March 9, 2024
Language: Английский
Citations
27Colloids and Interface Science Communications, Journal Year: 2023, Volume and Issue: 57, P. 100754 - 100754
Published: Nov. 1, 2023
The potential of Aspergillus sp. for plastic biodegradation is a promising approach environmentally friendly waste management. Various research studies have been conducted to optimize conditions that enhance the plastics and understand genetic basis species. By performing this investigation, we discussed role various species in decomposition polymers. Most grow within pH range 4 6. 37.5% showed grows optimally at 30 °C. Scanning electron microscopy (SEM) Fourier transform infrared (FTIR) tests were used 34.61% 32.69% different studies, respectively. It has observed fungi can biodegrade polymers more effectively size 20–100 μm. (34.21%) focused on 21 days. highest percentage (44%) low-density polyethylene (LDPE) by dominant sp., including A. niger, flavus, oryzae, play significant microplastics. Enzymes such as laccase, esterase, peroxidase, lipase, urease crucial roles degradation plastics. Laccase utilizes oxygen generate reactive species, breaking polymer chains. Esterase cleaves into fragments, while peroxidase generates radicals degradation. Lipases also contribute specific substrates. In general, it be said fungal successful degrading
Language: Английский
Citations
39Journal of Contaminant Hydrology, Journal Year: 2024, Volume and Issue: 263, P. 104339 - 104339
Published: March 27, 2024
Language: Английский
Citations
16Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 61, P. 105336 - 105336
Published: April 23, 2024
Language: Английский
Citations
16Environmental Science and Pollution Research, Journal Year: 2024, Volume and Issue: 31(22), P. 32225 - 32245
Published: April 22, 2024
Language: Английский
Citations
13Frontiers in Microbiology, Journal Year: 2024, Volume and Issue: 15
Published: April 18, 2024
The plastisphere, a unique microbial biofilm community colonizing plastic debris and microplastics (MPs) in aquatic environments, has attracted increasing attention owing to its ecological public health implications. This review consolidates current state of knowledge on freshwater focussing biodiversity, assembly, interactions with environmental factors. Current biomolecular approaches revealed variety prokaryotic eukaryotic taxa associated surfaces. Despite their importance, the presence potentially pathogenic bacteria mobile genetic elements (i.e., antibiotic resistance genes) raises concerns for ecosystem human health. However, extent these risks implications remain unclear. Advanced sequencing technologies are promising elucidating functions particularly biodegradation processes. Overall, this emphasizes need comprehensive studies understand plastisphere dynamics support effective management strategies mitigate impact pollution resources.
Language: Английский
Citations
12Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 281, P. 116635 - 116635
Published: June 29, 2024
Since we rely entirely on plastics or their products in our daily lives, are the invention of hour. Polyester plastics, such as Polyethylene Terephthalate (PET), among most often used types plastics. PET have a high ratio aromatic components, which makes them very resistant to microbial attack and highly persistent. As result, massive amounts plastic trash accumulate environment, where they eventually transform into microplastic (<5 mm). Rather than macroplastics, microplastics starting pose serious hazard environment. It is imperative that these polymer be broken down. Through use enrichment culture, microplastic-degrading bacterium was isolated from solid waste management yards. Bacterial strain identified Gordonia sp. CN2K by 16 S rDNA sequence analysis biochemical characterization. able polyethylene terephthalate its only energy carbon source. In 45 days, 40.43 % degraded. By using mass spectral HPLC characterize metabolites produced during breakdown, degradation verified. The spent medium included dimer compound, bis (2-hydroxyethyl) (BHET), mono (MHET), terephthalate. Furthermore, sheet exposed culture showed considerable surface alterations scanning electron microscope images. This illustrates how new current work is.
Language: Английский
Citations
8Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(43), P. 19338 - 19352
Published: Oct. 3, 2024
Comamonadaceae bacteria are enriched on poly(ethylene terephthalate) (PET) microplastics in wastewaters and urban rivers, but the PET-degrading mechanisms remain unclear. Here, we investigated these with Comamonas testosteroniKF-1, a wastewater isolate, by combining microscopy, spectroscopy, proteomics, protein modeling, genetic engineering. Compared to minor dents PET films, scanning electron microscopy revealed significant fragmentation of pellets, resulting 3.5-fold increase abundance small nanoparticles (<100 nm) during 30-day cultivation. Infrared spectroscopy captured primarily hydrolytic cleavage fragmented pellet particles. Solution analysis further demonstrated double hydrolysis oligomer, bis(2-hydroxyethyl) terephthalate, bioavailable monomer terephthalate. Supplementation acetate, common co-substrate, promoted cell growth fragmentation. Of multiple hydrolases encoded genome, intracellular proteomics detected only one, which was found both acetate-only PET-only conditions. Homology modeling this hydrolase structure illustrated substrate binding analogous reported hydrolases, despite dissimilar sequences. Mutants lacking gene were incapable oligomer had 21% decrease fragmentation; re-insertion restored functions. Thus, have identified constitutive production key Comamonas, could be exploited for plastic bioconversion.
Language: Английский
Citations
7