We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Biodegradation of phthalic acid esters (PAEs) by Janthinobacterium sp. strain E1 under stress conditions
AI summary Read the abstract
Researchers isolated a bacterial strain, Janthinobacterium sp. E1, that can efficiently break down phthalate esters, which are chemicals commonly added to plastics to increase flexibility. The bacterium maintained its ability to degrade the pollutant DEHP even under stressful environmental conditions like high salinity and extreme pH. The findings suggest that this microorganism could be useful for cleaning up phthalate-contaminated environments.
Phthalates esters (PAEs) are a kind of polymeric material additives widely been added into plastics to improve products' flexibility. It can easily cause environmental pollution which are hazards to public health. In this study, we isolated an efficient PAEs degrading strain, Janthinobacterium sp. E1, and determined its degradation effect of di-2-ethylhexyl phthalate (DEHP) under stress conditions. Strain E1 showed an obvious advantage in pollutants degradation under various environmental stress conditions. Degradation halo clearly occurred around the colony of strain E1 on agar plate supplemented with triglyceride. Strain E1's esterase is a constitutively expressed intracellular enzyme. The esterase purified from strain E1 showed a higher catalytic effect on short-chain PAEs than long-chain PAEs. The input of DEHP, DBP (dibutyl phthalate) and DMP (dimethyl phthalate) into the tested soil did not change the species composition of soil prokaryotic community, but altered the dominant species in specific environmental conditions. And the community diversity and richness decreased to a certain extent. However, the diversity and richness of the microbial community were improved after the contaminated soil was treated with the strain E1. Our results also suggested that strain E1 exhibited a tremendous potential in environmental bioremediation in the real environment, which provides a new insight into the elimination of the pollutants contamination in the urban environment.
More Papers Like This
High-efficiency degradation of phthalic acid esters (PAEs) by Pseudarthrobacter defluvii E5: Performance, degradative pathway, and key genes
AI summary Read the abstract
A bacterial strain Pseudarthrobacter defluvii E5 isolated from agricultural soil efficiently degraded multiple phthalate ester plasticizers including DEHP and DBP through a characterized enzymatic pathway, with key genes identified that could be targets for engineering enhanced bioremediation strains for phthalate-contaminated soils.
Biodegradation of plasticizers by novel strains of bacteria isolated from plastic waste near Juhu Beach, Mumbai, India
AI summary Read the abstract
Researchers isolated four novel bacterial strains from soil near a beach in Mumbai and found they could break down phthalate-based plasticizers — chemicals commonly added to plastics — suggesting potential biological tools for cleaning up these persistent environmental pollutants.
Biodegradation of Dibutyl Phthalate by the New Strain Acinetobacter baumannii DP-2
AI summary Read the abstract
Researchers isolated a new bacterial strain, Acinetobacter baumannii DP-2, and investigated its ability to biodegrade dibutyl phthalate (DBP), optimizing culture conditions, characterizing degradation kinetics, and mapping the biodegradation pathways to develop more effective phthalate pollution control strategies.
Isolation and Characterization of Polyethylene and Polyethylene Terephthalate-degrading Bacteria from Jakarta Bay, Indonesia
AI summary Read the abstract
Researchers isolated bacteria from Jakarta Bay, Indonesia, that showed the ability to degrade polyethylene and polyethylene terephthalate microplastics in laboratory conditions. They identified the most effective bacterial strains and confirmed plastic degradation through weight loss measurements and surface analysis. The study supports the potential of using naturally occurring marine bacteria for bioremediation of plastic-polluted coastal environments.
Molecular evaluation of the metabolism of estrogenic di(2-ethylhexyl) phthalate in Mycolicibacterium sp.
AI summary Read the abstract
Biochemical, genomic, and transcriptomic analyses revealed the metabolic pathways used by Mycolicibacterium sp. strain MBM to degrade the plasticizer di(2-ethylhexyl) phthalate, with the bacterium functioning in both freshwater and seawater salinity ranges.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.