PubAg

Main content area

You searched for: Subject "Sporosarcina" Remove constraint Subject: "Sporosarcina" Subject Sporosarcina pasteurii Remove constraint Subject: Sporosarcina pasteurii
Start Over

Search

76  Search Results

« Previous | 1 - 20 of 76 |
Number of results to display per page

Search Results

1. An in vitro chicken gut model for the assessment of phytase producing bacteria

Author:
Priyodip, Paul; Balaji, Seetharaman
Source:
3 Biotech 2019 v.9 no.8 pp. 294
ISSN:
2190-572X
Subject:
Sporosarcina globispora; Sporosarcina pasteurii; Sporosarcina psychrophila,   etc   ; Lactobacillus helveticus; Streptococcus thermophilus; bacteria; chickens; culture media; enzyme activity; extracellular enzymes; intestinal microorganisms; intestines; models; pH; phosphates; phytases; phytic acid; probiotics;     Show all 18 Subjects
Abstract:
... An in vitro simulated chicken gut model was proposed for studying the phytase activity of selected bacteria such as Streptococcus thermophilus, Sporosarcina pasteurii, Sporosarcina globispora, and Sporosarcina psychrophila using known probiotic bacterium, Lactobacillus helveticus as a control. The selected bacteria were viable in the intestinal lumen and produced extracellular phytase at optimal p ...
DOI:
10.1007/s13205-019-1825-2

2. A Novel Approach to Enhance the Urease Activity of Sporosarcina pasteurii and its Application on Microbial-Induced Calcium Carbonate Precipitation for Sand

Author:
Zhao, Yang; Xiao, Zhiyang; Lv, Jie; Shen, Wanqing; Xu, Rongchao
Source:
Geomicrobiology journal 2019 v.36 no.9 pp. 819-825
ISSN:
1521-0529
Subject:
Sporosarcina pasteurii,   etc   ; calcium carbonate; enzyme activity; sand; urea; urease;     Show all 6 Subjects
Abstract:
... Urease is involved in the formation of carbonate sediments by microbial-induced calcium carbonate precipitation (MICP), and Sporosarcina pasteurii used extensively in this technique owing to its high urease production. In this study, a simple two-step culture method with the appropriate medium was developed to enhance the urease activity of S. pasteurii. Urea played an important role in the cultur ...
DOI:
10.1080/01490451.2019.1631911

3. Biochemically Induced Carbonate Precipitation in Aerobic and Anaerobic Environments by Sporosarcina pasteurii

Author:
Jain, Surabhi; Arnepalli, D. N.
Source:
Geomicrobiology journal 2019 v.36 no.5 pp. 443-451
ISSN:
1521-0529
Subject:
Sporosarcina pasteurii,   etc   ; anaerobic conditions; calcium carbonate; developmental stages; enzymes; microbial growth; oxygen; pH; proteins; soil;     Show all 10 Subjects
Abstract:
... Microbially induced calcium carbonate precipitation (MICP) at laboratory scale for modifying the geotechnical properties of soils has been extensively investigated. The successful implementation of MICP in the field encounters many biotic and abiotic challenges. The study aimed to comprehend the role of oxygen availability on the efficacy of MICP catalyzed by S. pasteurii microbe. For this purpose ...
DOI:
10.1080/01490451.2019.1569180

4. Controlling the Distribution of Microbially Precipitated Calcium Carbonate in Radial Flow Environments

Author:
Zambare, Neerja M.; Lauchnor, Ellen G.; Gerlach, Robin
Source:
Environmental science & technology 2019 v.53 no.10 pp. 5916-5925
ISSN:
1520-5851
Subject:
Sporosarcina pasteurii,   etc   ; bacteria; bacterial adhesion; calcium; calcium carbonate; glass; porous media; prediction; subsurface application; urea; wells;     Show all 11 Subjects
Abstract:
... Bacterially driven reactions such as ureolysis can induce calcium carbonate precipitation, a well-studied process called microbially induced calcium carbonate precipitation (MICP). MICP is of interest in subsurface applications such as sealing leaks around wells. For effective field deployment, it is important to study MICP under radial flow conditions, which are relevant to near-well environments ...
DOI:
10.1021/acs.est.8b06876

5. Manufacturing bio-bricks using microbial induced calcium carbonate precipitation and human urine

Author:
Lambert, S.E.; Randall, D.G.
Source:
Water research 2019 v.160 pp. 158-166
ISSN:
0043-1354
Subject:
Sporosarcina pasteurii,   etc   ; bacteria; bricks; calcium; calcium carbonate; calcium hydroxide; compression strength; humans; ions; manufacturing; sand; urea; urine;     Show all 13 Subjects
Abstract:
... In this study, we investigated the use of a natural process called microbial induced calcium carbonate precipitation (MICP) to ‘grow’ bio-bricks using the urea present in human urine. We first collected fresh urine and stabilized the urine with calcium hydroxide. This prevented any significant loss of urea which allowed it to then be used for the MICP process. We used Sporosarcina pasteurii bacter ...
DOI:
10.1016/j.watres.2019.05.069

6. Diversity of Sporosarcina-like Bacterial Strains Obtained from Meter-Scale Augmented and Stimulated Biocementation Experiments

Author:
Graddy, Charles M. R.; Gomez, Michael G.; Kline, Lindsay M.; Morrill, Sydney R.; DeJong, Jason T.; Nelson, Douglas C.
Source:
Environmental science & technology 2018 v.52 no.7 pp. 3997-4005
ISSN:
1520-5851
Subject:
Sporosarcina pasteurii,   etc   ; bacteria; bioaugmentation; calcite; sand; soil; urease;     Show all 7 Subjects
Abstract:
... Microbially Induced Calcite Precipitation (MICP) is a biomediated soil cementation process that offers an environmentally conscious alternative to conventional geotechnical soil improvement technologies. This study provides the first comparison of ureolytic bacteria isolated from sand cemented in parallel, meter-scale, MICP experiments using either biostimulation or bioaugmentation approaches, whe ...
DOI:
10.1021/acs.est.7b04271

7. Optimization of the biological soil improvement procedure

Author:
Kalantary, F.; Kahani, M.
Source:
International journal of environmental science and technology 2019 v.16 no.8 pp. 4231-4240
ISSN:
1735-1472
Subject:
Sporosarcina pasteurii,   etc   ; Arthrobacter crystallopoietes; ambient temperature; bacteria; calcification; calcite; calcium; calcium carbonate; compression strength; culture media; hydrolysis; microbial activity; sand; shear strength; soil; soil stabilization; urea; urease;     Show all 18 Subjects
Abstract:
... Biocalcification is a developing method in the realm of bio-geotechnics, potentially invaluable for soil stabilization. The method is based on microbial-induced calcite precipitation. Hydrolysis of urea by the urease enzyme discharging from bacteria in the presence of Ca²⁺ is one of the most notable methods for calcium carbonate precipitation. However, partial clogging may occur as a result of pre ...
DOI:
10.1007/s13762-018-1821-9

8. Efficacy of Fe₃O₄/Starch Nanoparticles on Sporosarcina pasteurii Performance in MICP Process

Author:
Moosazadeh, Reza; Tabandeh, Fatemeh; Kalantari, Farzin; Yazdian, Fatemeh
Source:
Geomicrobiology journal 2019 v.36 no.4 pp. 359-365
ISSN:
1521-0529
Subject:
Sporosarcina pasteurii,   etc   ; bacteria; calcite; calcium carbonate; calcium chloride; coasts; compression strength; culture media; liquids; nanoparticles; sand; soil sampling; soil stabilization; soil strength; urea; urease;     Show all 16 Subjects
Abstract:
... The microbial induced calcite precipitation (MICP) has been explored using well-known urease producer bacterium Sporosarcina pasteurii for many applications including soil stabilization. Urease enzyme hydrolyzes urea and in the presence of calcium chloride causes calcium carbonate precipitation between sand particles increasing sand stiffness and strength. In this study, the liquefied soil samples ...
DOI:
10.1080/01490451.2018.1555295

9. Comparison of microbially induced calcium carbonate precipitation eligibility using sporosarcina pasteurii and bacillus licheniformis on two different sands

Author:
Saricicek, Yilmaz Emre; Gurbanov, Rafig; Pekcan, Onur; Gozen, Ayse Gul
Source:
Geomicrobiology journal 2019 v.36 no.1 pp. 42-52
ISSN:
1521-0529
Subject:
Sporosarcina pasteurii,   etc   ; Bacillus licheniformis; X-ray diffraction; bacteria; calcium carbonate; calcium chloride; energy-dispersive X-ray analysis; hybrids; monitoring; nutrition; scanning electron microscopy; soil;     Show all 12 Subjects
Abstract:
... The use of biological means for ground improvement have become popular, which generally works through the process called microbially-induced calcium carbonate precipitation (MICP). Many studies indicate successful application of MICP based improvement with multiple bacteria and on several soils. Given the proven performance of MICP, this study aims to examine the MICP process by comparing the calc ...
DOI:
10.1080/01490451.2018.1497732

10. In Situ Real-Time Study on Dynamics of Microbially Induced Calcium Carbonate Precipitation at a Single-Cell Level

Author:
Zhang, Wenchao; Ju, Ying; Zong, Yiwu; Qi, Hao; Zhao, Kun
Source:
Environmental science & technology 2018 v.52 no.16 pp. 9266-9276
ISSN:
1520-5851
Subject:
Sporosarcina pasteurii,   etc   ; bacteria; calcite; calcium carbonate; crystal structure; crystals; microparticles; models; polystyrenes; vaterite;     Show all 10 Subjects
Abstract:
... Ureolytic microbially induced calcium carbonate precipitation (MICP) is a promising green technique for addressing a variety of environmental and architectural concerns. However, the dynamics of MICP especially at the microscopic level remains relatively unexplored. In this work, by applying a bacterial tracking technique, the growth dynamics of micrometer-sized calcium carbonate precipitates indu ...
DOI:
10.1021/acs.est.8b02660

11. Microbial Induced Calcium Carbonate Precipitation (MICP) Using Pig Urine as an Alternative to Industrial Urea

Author:
Chen, How-Ji; Huang, Yi-Hsun; Chen, Chien-Cheng; Maity, Jyoti Prakash; Chen, Chien-Yen
Source:
Waste and biomass valorization 2019 v.10 no.10 pp. 2887-2895
ISSN:
1877-2641
Subject:
Sporosarcina pasteurii,   etc   ; X-ray diffraction; animal wastes; calcium carbonate; calcium chloride; catalytic activity; cost effectiveness; environmental protection; industry; mechanical properties; permeability; pollution; porosity; scanning electron microscopy; swine; urea; urease; urine; waste disposal;     Show all 19 Subjects
Abstract:
... Biocalcification by microbial induced CaCO₃ precipitation (MICP) (catalyzes by microbial enzyme urease) is a promising field of research in recent decades due to its versatile application in industry. Besides, the animal waste disposal has attracted much attention owing to increasing awareness of environmental protection and resource substitution. Though, the biotechnical application of Pig urine ...
DOI:
10.1007/s12649-018-0324-8

12. The removal of arsenic from arsenic-bearing groundwater in In-situ and Ex-situ environment using novel natural magnetic rock material and synthesized magnetic material as adsorbent: A comparative assessment

Author:
Maity, Jyoti Prakash; Ho, Pei-Ru; Huang, Yi-Hsun; Sun, An-Cheng; Chen, Chien-Cheng; Chen, Chien-Yen
Source:
Environmental pollution 2019 v.253 pp. 768-778
ISSN:
0269-7491
Subject:
Sporosarcina pasteurii,   etc   ; Fourier transform infrared spectroscopy; World Health Organization; adsorbents; arsenic; drinking water; groundwater; hematite; human health; humic acids; iron; magnetic materials; magnetism; magnetite; nanoparticles; pH; quartz; scanning electron microscopy; sedimentary rocks; thermogravimetry; transmission electron microscopy;     Show all 21 Subjects
Abstract:
... The removal of arsenic from groundwater is an important issue for environmental safety and human health. Research focused on the comparative assessment of arsenic removal from arsenic-bearing groundwater and arsenic-containing-synthetic water (2 mg/L) using natural magnetic material (NMM) (rock) and synthesized magnetic material (SMM) by Bacillus pasteurii and humic acid. The arsenic-bearing groun ...
DOI:
10.1016/j.envpol.2019.07.048

13. Multifunctional Urea Cocrystal with Combined Ureolysis and Nitrification Inhibiting Capabilities for Enhanced Nitrogen Management

Author:
Mazzei, Luca; Broll, Valquiria; Casali, Lucia; Silva, Manoj; Braga, Dario; Grepioni, Fabrizia; Baltrusaitis, Jonas; Ciurli, Stefano
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.15 pp. 13369-13378
ISSN:
2168-0485
Subject:
Sporosarcina pasteurii,   etc   ; Nitrosomonas europaea; ammonia; ammonia monooxygenase; economic impact; enzyme activity; fertilizer application; hydrolysis; mechanochemistry; nitrification; nitrifying bacteria; nitrites; nitrogen; nitrogen fertilizers; relative humidity; soil; soil bacteria; thiourea; urea; urease; urease inhibitors; zinc;     Show all 22 Subjects
Abstract:
... The novel ternary Zn(II)-thiourea–urea ionic cocrystal [Zn(thiourea)(urea)Cl₂], (ZnTU) has been prepared by both solution and mechanochemical processes and structurally characterized by solid-state methods. ZnTU exhibited improved response properties to water as relative humidity as inherited from thiourea. The results of enzymatic activity measurements provide evidence that ZnTU is effective in m ...
DOI:
10.1021/acssuschemeng.9b02607

14. Microbial induced carbonate precipitation for immobilizing Pb contaminants: Toxic effects on bacterial activity and immobilization efficiency

Author:
Jiang, Ning-Jun; Liu, Rui; Du, Yan-Jun; Bi, Yu-Zhang
Source:
The Science of the total environment 2019 v.672 pp. 722-731
ISSN:
0048-9697
Subject:
Sporosarcina pasteurii,   etc   ; ammonium; bacteria; bacterial growth; biosorption; calcium; carbonates; cell viability; chemical precipitation; electrical conductivity; environmental factors; enzyme activity; groundwater; heavy metals; immobilization in soil; lead; lead nitrate; nutrient solutions; pH; pollutants; soil stabilization; toxicity; urea; urease;     Show all 24 Subjects
Abstract:
... Microbial induced carbonate precipitation (MICP) is a natural bio-mediated process, which has been explored for soil stabilization and heavy metals immobilization in soil and groundwater. Previous studies have shown that MICP is capable of immobilizing various heavy metals including lead (Pb). However, most studies focus merely on the immobilization of heavy metals with relatively low concentratio ...
DOI:
10.1016/j.scitotenv.2019.03.294

15. Insights into Urease Inhibition by N-(n-Butyl) Phosphoric Triamide through an Integrated Structural and Kinetic Approach

Author:
Mazzei, Luca; Cianci, Michele; Contaldo, Umberto; Ciurli, Stefano
Source:
Journal of agricultural and food chemistry 2019 v.67 no.8 pp. 2127-2138
ISSN:
1520-5118
Subject:
Sporosarcina pasteurii,   etc   ; Canavalia ensiformis; active sites; antibiotic resistance; bacteria; calorimetry; dissociation; enzymatic hydrolysis; enzyme inhibition; fertilizer application; ions; mechanism of action; moieties; nickel; nitrogen; nitrogen fertilizers; phosphoric acid; soil; urease; urease inhibitors; virulence;     Show all 21 Subjects
Abstract:
... The nickel-dependent enzyme urease represents a negative element for the efficiency of soil nitrogen fertilization as well as a virulence factor for a large number of pathogenic and antibiotic-resistant bacteria. The development of ever more efficient urease inhibitors demands knowledge of their modes of action at the molecular level. N-(n-Butyl)-phosphoric triamide (NBPTO) is the oxo-derivative o ...
DOI:
10.1021/acs.jafc.8b04791

16. Synthesis of terpenoid oxo derivatives with antiureolytic activity

Author:
Kozioł, Agata; Macegoniuk, Katarzyna; Grela, Ewa; Grabowiecka, Agnieszka; Biernat, Monika; Lochyński, Stanisław
Source:
Molecular biology reports 2019 v.46 no.1 pp. 51-58
ISSN:
0301-4851
Subject:
Sporosarcina pasteurii,   etc   ; Escherichia coli; Gram-positive bacteria; Helicobacter pylori; Proteus mirabilis; Staphylococcus aureus; adjuvants; antibacterial properties; carvone; enzyme activity; enzyme inhibition; gastric mucosa; humans; inhibitory concentration 50; oxygen; pathogens; stereoisomers; urease; urease inhibitors; urinary tract diseases; virulence; virulent strains;     Show all 22 Subjects
Abstract:
... Urease is an important virulence factor for a variety of pathogenic bacteria strains such as Helicobacter pylori, which colonizes human gastric mucosa, and Proteus sp., responsible for urinary tract infections. Specific inhibition of urease activity could be a promising adjuvant strategy for eradication of these pathogens. Due to the interesting antiureolytic activity of carvone and the scant info ...
DOI:
10.1007/s11033-018-4442-y

17. Low-cost cultivation of Sporosarcina pasteurii strain in food-grade yeast extract medium for microbially induced carbonate precipitation (MICP) application

Author:
Omoregie, Armstrong Ighodalo; Ngu, Lock Hei; Ong, Dominic Ek Leong; Nissom, Peter Morin
Source:
Biocatalysis and agricultural biotechnology 2019 v.17 pp. 247-255
ISSN:
1878-8181
Subject:
Sporosarcina pasteurii,   etc   ; X-ray diffraction; bacterial growth; biomass production; biomineralization; calcite; calcium carbonate; cost effectiveness; culture media; elemental composition; engineering; enzyme activity; lactose; meat; pH; urea; urease; vaterite; yeast extract; yeasts;     Show all 20 Subjects
Abstract:
... Sporosarcina pasteurii is a well-known ureolytic microbial species that proficiently induces the deposition of calcium carbonate through microbially induced carbonate precipitation (MICP) process for various biotechnological and engineering purposes. In view to resolving the concern on high-cost bacterial cultivation due to the conventional use of laboratory-grade growth medium for MICP studies, a ...
DOI:
10.1016/j.bcab.2018.11.030

18. Increasing wind erosion resistance of aeolian sandy soil by microbially induced calcium carbonate precipitation

Author:
Tian, Kanliang; Wu, Yuyao; Zhang, Huili; Li, Duo; Nie, Kangyi; Zhang, Shican
Source:
Land degradation & development 2018 v.29 no.12 pp. 4271-4281
ISSN:
1085-3278
Subject:
Sporosarcina pasteurii,   etc   ; X-ray diffraction; calcite; calcium carbonate; calcium chloride; cement; crystals; land degradation; mechanical methods; mechanical properties; risk; sandy soils; scanning electron microscopes; spraying; urea; wind erosion;     Show all 16 Subjects
Abstract:
... Wind erosion of aeolian sandy soil can cause serious land degradation and other environmental problems, and thus its prevention and control is very important. However, there has not been a very effective way to prevent this severe wind erosion until now, and traditional measures such as mechanical methods, chemical sand‐fixing methods, and agronomic methods also have many disadvantages. The main o ...
DOI:
10.1002/ldr.3176

19. Evaluation of Shear Strength Parameters of Sandy Soils upon Microbial Treatment

Author:
Pakbaz, M. S.; Behzadipour, H.; Ghezelbash, G. R.
Source:
Geomicrobiology journal 2018 v.35 no.8 pp. 721-726
ISSN:
1521-0529
Subject:
Sporosarcina pasteurii,   etc   ; bacteria; calcite; calcium chloride; cohesion; enzyme activity; friction; methodology; sandy soils; shear strength; soil sampling; soil stabilization; urea; urease;     Show all 14 Subjects
Abstract:
... A new method for soil stabilization known as microbial-induced calcite precipitation (MICP) has been the focus of research in this area during the last decade. In this method, the reaction of microorganisms in the presence of urea and calcium chloride is used to produce calcite. Despite the large numbers of bacteria in soil, Sporobacillus pasteurii (previously known as Bacillus pasteurii) has the ...
DOI:
10.1080/01490451.2018.1455766

20. Experimental optimisation of various cultural conditions on urease activity for isolated Sporosarcina pasteurii strains and evaluation of their biocement potentials

Author:
Omoregie, Armstrong Ighodalo; Khoshdelnezamiha, Ghazaleh; Senian, Nurnajwani; Ong, Dominic Ek Leong; Nissom, Peter Morin
Source:
Ecological engineering 2017 v.109 pp. 65-75
ISSN:
0925-8574
Subject:
Sporosarcina pasteurii,   etc   ; absorbance; bacteria; civil engineering; limestone; pH; soil; temperature; urea; urease; Borneo;     Show all 11 Subjects
Abstract:
... Microbially induced carbonate precipitation (MICP) is a process that has emerged as an attractive alternative ground improvement technique in Geotechnical and Civil Engineering using ureolytic bacteria for soil strengthening and stabilisation. Locally isolated Sporosarcina pasteurii from limestone cave samples of Sarawak were found to have high urease-producing abilities. Optimisation of various c ...
DOI:
10.1016/j.ecoleng.2017.09.012