Optimizing catechol 1,2-dioxygenase from Bacillus subtilis isolates.
Journal name: World Journal of Pharmaceutical Research
Original article title: Production and optimization of catechol 1, 2- dioxygenase from oil contaminated soil isolates of bacillus subtilis.
The WJPR includes peer-reviewed publications such as scientific research papers, reports, review articles, company news, thesis reports and case studies in areas of Biology, Pharmaceutical industries and Chemical technology while incorporating ancient fields of knowledge such combining Ayurveda with scientific data.
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N. Suganthi and S. Deepika
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World Journal of Pharmaceutical Research:
(An ISO 9001:2015 Certified International Journal)
Full text available for: Production and optimization of catechol 1, 2- dioxygenase from oil contaminated soil isolates of bacillus subtilis.
Source type: An International Peer Reviewed Journal for Pharmaceutical and Medical and Scientific Research
Doi: 10.20959/wjpr201810-12239
Copyright (license): WJPR: All rights reserved
Summary of article contents:
1) Introduction
This study by N. Suganthi and S. Deepika investigates the production and optimization of catechol 1, 2-dioxygenase (C1, 2O), an enzyme facilitated by the bacterial species Bacillus subtilis, sourced from oil-contaminated soil. The research aims to evaluate various media conditions influencing enzyme activity, including pH, temperature, and the sources of nitrogen and carbon. Findings indicate that optimal enzyme activity occurs at pH 7.0 and 37°C, with yeast extract and glucose identified as the most effective nitrogen and carbon sources, respectively. The enzyme was purified through gel filtration chromatography, leading to a determined molecular weight of approximately 30 kDa as examined by SDS-PAGE.
2) Role of Catechol 1, 2-Dioxygenase in Biodegradation
Catechol 1, 2-dioxygenase plays a crucial role in the biodegradation pathways of various aromatic compounds. This enzyme is vital for microbial processes that contribute to the breakdown of toxic organic compounds, such as polycyclic aromatic hydrocarbons (PAHs), in contaminated environments. The study highlights the significance of Bacillus subtilis as a source of C1, 2O, showcasing how microbial enzymes like catechol dioxygenases can offer effective bioremediation solutions. The enzyme operates via intradiol cleavage and is characterized by distinct structural properties among bacterial species, emphasizing its critical role in environmental cleanup.
3) Optimization of Enzyme Production
The optimization of catechol 1, 2-dioxygenase production involves manipulating various factors like carbon and nitrogen sources, pH, and temperature. In this research, specific conditions were systematically assessed to enhance enzyme activity. The findings show that yeast extract served as the most effective nitrogen source, while glucose was optimal for carbon. The peak enzyme activity recorded supports the benefit of utilizing these specific substrates for maximizing production levels. Such optimization is fundamental for improving enzyme yields crucial in bioremediation applications.
4) Molecular Characterization of the Enzyme
Molecular characterization of catechol 1, 2-dioxygenase was achieved through SDS-PAGE analysis, revealing its molecular weight to be around 30 kDa. The enzyme's purification involved several steps, including ammonium sulfate precipitation and dialysis, prior to gel filtration chromatography, which enhanced the purification process. The analysis confirmed the enzyme's presence and characteristics, demonstrating its significance in the biodegradation process. Understanding the molecular properties of catechol 1, 2-dioxygenase is imperative for its potential application in biotechnological and remediation processes.
5) Conclusion
This study underlines the promising potential of Bacillus subtilis in producing catechol 1, 2-dioxygenase for bioremediation purposes. By optimizing growth conditions and characterizing the enzyme, significant advancements can be made in harnessing microbial enzymes for the degradation of hazardous organic pollutants. The results emphasize the importance of microbial enzymatic activity in environmental cleanup strategies, advocating for further research into the efficiency of catechol dioxygenases and their application in various industrial processes aimed at bioremediation. The findings contribute to the broader understanding of microbial contributions to biogeochemistry and environmental sustainability.
FAQ section (important questions/answers):
What was the objective of the study on Catechol 1,2-Dioxygenase?
The study aimed to evaluate and optimize the production of Catechol 1,2-Dioxygenase (C1,2O) from oil-contaminated soil isolates of Bacillus subtilis under various conditions including pH, temperature, and nutrient sources.
What are the optimal conditions for enzyme activity found in the study?
The study found that the peak activity of Catechol 1,2-Dioxygenase occurred at pH 7.0 and a temperature of 37°C, utilizing yeast extract as the nitrogen source and glucose as the carbon source.
How were the bacterial isolates screened for enzyme production?
Bacterial isolates from petroleum-contaminated soil were screened using Bushnell Haas agar plates. Isolates that grew on the plates after incubation were confirmed as hydrocarbon degraders and selected for enzyme production analysis.
What method was used for enzyme purification in this research?
The enzyme was purified using gel filtration chromatography, which proved to be more effective than other methods like ammonium sulfate precipitation and dialysis.
What was the molecular weight of the enzyme determined in the study?
The SDS-PAGE analysis indicated that the molecular weight of Catechol 1,2-Dioxygenase was approximately 30 kDa, confirming its identity and purity in the characterization process.
Which bacterial species was primarily identified as the enzyme producer?
The enzyme-producing isolate was identified as belonging to the genus Bacillus, specifically the species Bacillus subtilis, based on biochemical tests performed during the study.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Optimizing catechol 1,2-dioxygenase from Bacillus subtilis isolates.”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Soil:
Soil is a critical component of ecosystems and serves as a habitat for numerous microorganisms. In this study, soil samples from oil-contaminated areas were collected to assess their capacity for biodegradation. The microbial activity within the soil plays a significant role in breaking down toxic compounds, aiding environmental cleanup.
2) Activity:
Activity refers to the biochemical processes carried out by enzymes. In the context of this study, enzyme activity, specifically that of catechol 1,2-dioxygenase, was measured to assess the efficiency of hydrocarbon degradation. Understanding enzyme activity is crucial for optimizing conditions for bioremediation.
3) Study (Studying):
This study aimed to investigate the production and optimization of catechol 1,2-dioxygenase enzymes from Bacillus subtilis isolates in oil-contaminated soil. It explores factors influencing enzyme yield and effectiveness, contributing valuable knowledge to bacterial biodegradation processes and potential environmental applications.
4) Medium:
Medium refers to the nutrient-rich solution or environment that supports microbial growth and enzyme production. In this research, a mineral salt medium was used to cultivate Bacillus subtilis and optimize conditions for catechol 1,2-dioxygenase production, showcasing the importance of growth conditions in microbial studies.
5) Water:
Water is essential for microbial activity and serves as a solvent for biochemical reactions. In this study, distilled water was used to prepare soil samples and facilitate the growth of bacterial isolates. The moisture content in the soil also supports microbial life necessary for biodegradation processes.
6) Table:
Table refers to a systematic arrangement of data that presents findings clearly and concisely. In this paper, tables were used to summarize enzyme activity results and purification steps. They provide readers with accessible comparisons of different experimental conditions and outcomes in the research.
7) Salt (Salty):
Salt, particularly in the context of mineral salts, serves as a key component in media preparation for microbial growth. Nitrogen and salt concentrations can significantly impact enzyme production. This study evaluates various nitrogen and salt sources to determine their effects on catechol 1,2-dioxygenase activity.
8) Purification:
Purification refers to the process of isolating the desired enzyme from the crude extract to obtain a more concentrated and active form. In this research, different purification methods were applied to catechol 1,2-dioxygenase, highlighting the importance of enzyme purity for subsequent analysis and application.
9) Jayanti (Jayamti):
Jayanthi refers to a researcher whose work in the field of microbial biodegradation is cited within this study. Referencing previous studies helps to build a foundation of knowledge and contextualize findings. It signifies collaboration and recognition of contributions within the scientific community.
10) Mineral:
Mineral relates to the inorganic components vital for microbial growth and enzyme production in lab settings. The study utilized a mineral salt medium, which contains essential nutrients that support the metabolism and enzyme synthesis of Bacillus subtilis in the biodegradation process.
11) Species:
Species indicates a specific group of organisms characterized by shared traits. In this paper, Bacillus subtilis is identified as the primary enzyme-producing organism. Understanding the species involved in hydrocarbon degradation is crucial for optimizing bioremediation strategies and ecological restoration efforts.
12) Mishra (Misra):
Mishra refers to another researcher whose studies on bacteria-mediated degradation processes are mentioned in this article. Including citations acknowledges the contributions of others in the field, reinforcing the relevance of the current research and its implications for improving biodegradation technologies.
13) Velur:
Velur is the geographical location where the research was conducted, specifically referring to Kandaswami Kadar’s College. Identifying the location provides context for the sample collection and emphasizes the relevance of local environmental studies in understanding broader ecological impacts.
14) Antibiotic (Antibacterial):
Antibacterial refers to substances or properties that inhibit bacterial growth. The focus of the study is not solely on antibacterial properties but emphasizes enzyme production for biodegradation. Understanding antibacterial mechanisms can aid in the development of better environmental management strategies and bioremediation techniques.
15) Calculation:
Calculation refers to the quantitative assessment used to determine enzyme activity, concentrations, and other pivotal data points in the research. Accurate calculations are essential for valid experimental results, enabling researchers to draw meaningful conclusions about enzyme performance and biochemical processes.
16) Performance:
Performance evaluates how effectively a biological process operates under specific conditions. In this study, the performance of catechol 1,2-dioxygenase was assessed based on differing nitrogen and carbon sources, providing insights into optimizing conditions for enhanced microbial biodegradation capabilities.
17) Surrounding:
Surrounding indicates the environment around the sample collection sites. Factors such as surrounding contamination levels significantly influence microbial communities. Understanding the surrounding conditions enhances knowledge about microbial adaptation and behavior in polluted environments, directly impacting bioremediation success.
18) Measurement:
Measurement pertains to the process of quantitatively assessing various parameters related to enzyme activity, purification, and microbial growth conditions. This study relied on precise measurements to evaluate and optimize the enzymatic activity of catechol 1,2-dioxygenase, enabling reliable conclusions.
19) Discussion:
Discussion reflects the analytical section following research results, where findings are interpreted in the context of existing literature. This section is critical for understanding the implications of the results and for proposing future research directions or practical applications.
20) Science (Scientific):
Science is the organized body of knowledge gained through observation and experimentation. This research exemplifies scientific inquiry by systematically investigating the enzyme production capabilities of Bacillus subtilis, contributing to our understanding of microbial processes for environmental cleanup.
21) Substance:
Substance refers to any material with distinct properties, in this case, the enzymes produced by Bacillus subtilis. The study focuses on catechol 1,2-dioxygenase as a key biocatalyst used in the breakdown of hydrocarbons, stressing its significance in environmental remediation efforts.
22) Filling (Filled):
Filling in this context pertains to petrol filling stations, the locations from which soil samples were collected. Understanding contamination levels at filling stations aids in assessing environmental impacts and the effectiveness of microbial degradation processes in hydrocarbon-contaminated sites.
Other Science Concepts:
Discover the significance of concepts within the article: ‘Optimizing catechol 1,2-dioxygenase from Bacillus subtilis isolates.’. Further sources in the context of Science might help you critically compare this page with similair documents:
Crude oil, Effect of pH, SDS-PAGE analysis, Bacillus subtilis, Bovine serum albumin, Cell free extract, Gel filtration chromatography, Enzyme Activity, Optimum condition, Nitrogen and carbon sources, Oil contaminated soil, Mineral salt medium, Peak activity, Media conditions, Hydrocarbon degrading bacteria, Microbial metabolism, Aromatic compound.