Augmentation of an Engineered Bacterial Strain Potentially Improves the Cleanup of PCB Water Pollution

Hara, Takehisa; Takatsuka, Yumiko; Nakata, Eiji; Mutoh, T.

doi:10.1128/spectrum.01926-21

Cited by 4 publications

(4 citation statements)

References 40 publications

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“…Comamonas played a dominant role in tetracycline hydrochloride degradation and power generation in a microbial fuel cell (Zhang et al, 2021 ). Comamonas testosteroni YAZ2 could be used for the cleanup of polychlorinated biphenyl water pollution (Hara et al, 2021 ). The laccase enzymatic traits and delignification procedures of rice straw by Comamonas testosteroni FJ17 were investigated (Wang et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Analysis of Bacterial Diversity in Different Types of Daqu and Fermented Grains From Danquan Distillery

Shang

Zhang

et al. 2022

Front. Microbiol.

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Bacterial communities in high-temperature Daqu and fermented grains are important for brewing Jiang-flavor Baijiu such as Danquan Baijiu. Daqu is a saccharifying and fermenting agent, which has a significant impact on the flavor of Baijiu. However, bacterial communities in three different types of samples from the Danquan distillery (dqjq_ck, dqjqcp, and dqjp3) were still unclear, which limited further development of Danquan Baijiu. “dqjq_ck” and “dqjqcp” indicate high-temperature Daqu at days 45 and 135, respectively. “dqjp3” indicates fermented grains. In this study, the bacterial communities of three samples were analyzed by Illumina Miseq high-throughput sequencing. The bacterial communities of three samples primarily composed of thermophilic bacteria and bacteria with stress resistance. The most abundant species in dqjq_ck, dqjqcp, and dqjp3 were Comamonas, Bacillus, and unclassified Lactobacillales, respectively. The main bacteria included Bacillus, Comamonas, Myroides, Paenibacillus, Acetobacter, Kroppenstedtia, Staphylococcus, Saccharopolyspora, Planifilum, Lactobacillus, Acinetobacter, Oceanobacillus, Enterococcus, Thermoactinomyces, Lactococcus, Streptomyces, Saccharomonospora, Tepidimicrobium, Anaerosalibacter, unclassified_Lactobacillales, unclassified_Thermoactinomycetaceae_1, unclassified_Bacillaceae_2, unclassified_Bacillales, unclassified_Microbacteriaceae, unclassified_Rhodobacteraceae, unclassified_Actinopolysporineae, and unclassified_Flavobacteriaceae in three samples (percentage was more than 1% in one of three samples). In our study, the succession of microbiota in three samples representing three important stages of Danquan Baijiu brewing was revealed. This article lays a good foundation for understanding the fermentation mechanism and screening some excellent indigenous bacteria to improve the quality of Danquan Baijiu in future.

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Section: Discussionmentioning

confidence: 99%

Analysis of Bacterial Diversity in Different Types of Daqu and Fermented Grains From Danquan Distillery

Shang

Zhang

et al. 2022

Front. Microbiol.

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“…Quorum sensing mediated formation of biofilm has been also shown to degrade POPs via solubilization and biotransformation [87]. Recently, bioaugmentation is found to be effective in treating PCB-contaminated water using transformed Comamonas testosteroni and Escherichia coli strains [88]. Microorganisms are now looked at as a plausible solution for treating pristine marine ecosystems and other anthropogenic halogenated contaminants, as well as the rich source of secondary metabolites [89].…”

Section: Bioremediation Of Persistent Organic Pollutants (Pops)mentioning

confidence: 99%

Microbial Journey: Mount Everest to Mars

et al. 2022

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A rigorous exploration of microbial diversity has revealed its presence on Earth, deep oceans, and vast space. The presence of microbial life in diverse environmental conditions, ranging from moderate to extreme temperature, pH, salinity, oxygen, radiations, and altitudes, has provided the necessary impetus to search for them by extending the limits of their habitats. Microbiology started as a distinct science in the mid-nineteenth century and has provided inputs for the betterment of mankind during the last 150 years. As beneficial microbes are assets and pathogens are detrimental, studying both have its own merits. Scientists are nowadays working on illustrating the microbial dynamics in Earth's subsurface, deep sea, and polar & Vipin Chandra Kalia

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“…Comamonas played a dominant role in tetracycline hydrochloride degradation and power generation in a microbial fuel cell (Zhang et al, 2021). Comamonas testosteroni YAZ2 could be used for the cleanup of polychlorinated biphenyl water pollution (Hara et al, 2021). The laccase enzymatic traits and delignification procedures of rice straw by Comamonas testosteroni FJ17 were investigated (Wang et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

Table_1.XLS

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Augmentation of an Engineered Bacterial Strain Potentially Improves the Cleanup of PCB Water Pollution

Abstract: PCB cleanup technique in a natural environment relies on the use of enzymes from microorganisms, primarily biphenyl dioxygenase and dehalogenase. Herein, we focused on biphenyl dioxygenase and created a recombinant PCB-degrading E. coli strain.

Cited by 4 publications

References 40 publications

Analysis of Bacterial Diversity in Different Types of Daqu and Fermented Grains From Danquan Distillery

Analysis of Bacterial Diversity in Different Types of Daqu and Fermented Grains From Danquan Distillery

Microbial Journey: Mount Everest to Mars

Table_1.XLS

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