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You searched for: Subject term ammonium chloride Remove constraint Subject term: ammonium chloride Subject term bacteria Remove constraint Subject term: bacteria
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1. Dark Sulfate Uptake and Bacterial Productivity in a Subalpine Lake

Author:
Alan D. Jassby
Source:
Ecology 1975 v.56 no.3 pp. 627-636
ISSN:
0012-9658
Subject:
phytoplankton; sulfur; vitamin B12; lakes; sulfates; dissolved organic carbon; summer; biotin; trace elements; ammonium chloride; thiamin; bacteria; California
Abstract:
... Dark uptake of ³ ⁵SO₄ was investigated as a possible method for estimating bacterial production rates in Castle Lake, California. Assuming a fixed cellular sulfur; carbon ratio, bacterial productivities determined in this manner ranged from 2.5 to 28 mg C°m.— ³°day— ¹ in 48 in situ measurements in the summer of 1972. Average production rates increased throughout the sampling period and corresponde ...
DOI:
10.2307/1935496

2. Production of B‐group vitamins by two Azotobacter strains with phenolic compounds as sole carbon source under diazotrophic and adiazotrophic conditions

Author:
J.J. Revillas; B. Rodelas; C. Pozo; M.V. Martínez‐Toledo; J. González‐López
Source:
Journal of applied microbiology 2000 v.89 no.3 pp. 486-493
ISSN:
1364-5072
Subject:
Azotobacter vinelandii; acetylene reduction; ammonium chloride; bacteria; biotin; carbon; niacin; nitrogen fixation; pantothenic acid; protocatechuic acid; riboflavin; succinic acid; thiamin
Abstract:
... Azotobacter vinelandii strain ATCC 12837 and A. chroococcum strain H23 (CECT 4435) were able to grow on N‐free or NH₄Cl‐amended chemically‐defined (Burk's) media, with protocatechuic acid (1–2 mmol l⁻¹) or sodium p‐hydroxybenzoate (1–10 mmol l⁻¹) as sole carbon (C) sources. At a concentration of 2 mmol l⁻¹, both substrates supported nitrogen fixation (acetylene reduction assay) at similar or highe ...
DOI:
10.1046/j.1365-2672.2000.01139.x

3. Acidulation effects of nitrogen fertilizer on the ecology of nitrifying bacteria

Author:
Kantrovich, J.; Klubek, B.; Varsa, E.C.
Source:
Communications in soil science and plant analysis 2004 v.35 no.3-4 pp. 303-318
ISSN:
0010-3624
Subject:
acidification; ammonium chloride; ammonium nitrate; ammonium sulfate; anhydrous ammonia; bacteria; calcium nitrate; ecology; nitrapyrin; nitrification; nitrification inhibitors; nitrogen fertilizers; planting; sodium nitrate; soil sampling
Abstract:
... The acidulation effects of the prolonged use of nitrogenous fertilizers and lime application on nitrifying bacteria and nitrification activity were assessed. Soil samples were collected between November 1995 and November 1996 from experimental plots established in 1971 that were annually treated for ten consecutive years with nine nitrogen (N) fertilizers and planted to corn. Each fertilizer was a ...
DOI:
10.1081/CSS-120029713

4. Adenosine Diphosphate Ribosylation of Dinitrogenase Reductase and Adenylylation of Glutamine Synthetase Control Ammonia Excretion in Ethylenediamine-Resistant Mutants of Azospirillum brasilense Sp7

Author:
Srivastava, A.; Tripathi, A. K.
Source:
Current microbiology 2006 v.53 no.4 pp. 317-323
ISSN:
0343-8651
Subject:
Azospirillum brasilense; acetylene; adenosine diphosphate; adenosine triphosphate; ammonia; ammonium chloride; bacteria; excretion; glutamate-ammonia ligase; mutants; nitrogen; nitrogenase
Abstract:
... Azospirillum brasilense is a nitrogen-fixing, root-colonizing bacterium that brings about plant-growth-promoting effects mainly because of its ability to produce phytohormones. Ethylenediamine (EDA)-resistant mutants of A. brasilense were isolated and screened for their higher ability to decrease acetylene and release ammonia in the medium. One of the mutants showed considerably higher levels of a ...
DOI:
10.1007/s00284-006-0058-x
PubMed:
16972125

5. Exploitation of the Endocytic Pathway by Orientia tsutsugamushi in Nonprofessional Phagocytes

Author:
Chu, Hyuk; Lee, Jung-Hee; Han, Seung-Hoon; Kim, Se-Yoon; Cho, Nam-Hyuk; Kim, Ik-Sang; Choi, Myung-Sik
Source:
Infection and immunity 2006 v.74 no.7 pp. 4246-4253
ISSN:
0019-9567
Subject:
Orientia tsutsugamushi; acidification; ammonium chloride; bacteria; clathrin; cytoplasm; endocytosis; filipin; pathogenicity; phagocytes; scrub typhus
Abstract:
... Orientia tsutsugamushi, a causative agent of scrub typhus, is an obligate intracellular bacterium that requires the exploitation of the endocytic pathway in the host cell. We observed the localization of O. tsutsugamushi with clathrin or adaptor protein 2 within 30 min after the infection of nonprofessional phagocytes. We have further confirmed that the infectivity of O. tsutsugamushi is significa ...
DOI:
10.1128/IAI.01620-05
PubMed:
16790799
PubMed Central:
PMC1489698

6. Growth dynamics of Azospirillum lipoferum at steady and transitory states in the presence of NH

Author:
Tsagou, V.; Aggelis, G.
Source:
Journal of applied microbiology 2006 v.100 no.2 pp. 286-295
ISSN:
1364-5072
Subject:
nitrogen metabolism; nitrogen fixation; respiratory rate; citrate (si)-synthase; succinate dehydrogenase (quinone); carbon; Azospirillum lipoferum; dissolved oxygen; microbial growth; tricarboxylic acid cycle; glutamic acid; ammonium chloride; ammonium nitrogen; bacteria
Abstract:
... The objective of this paper was to study the adaptation dynamics and biochemical response of Azospirillum lipoferum grown in a continuous culture at various environmental shifts. The kinetics of A. lipoferum Sp 59b grown at steady states in a microaerobic chemostatic environment deviated from a typical Monod kinetics in both low and high dilution rates (D) due to several metabolic shifts that occu ...
DOI:
10.1111/j.1365-2672.2005.02782.x
PubMed:
16430505

7. Influence of electron acceptor, carbon, nitrogen, and phosphorus on polyhydroxyalkanoate (PHA) production by Brachymonas sp. P12

Author:
Shi, Hoi-Ping; Lee, Chi-Mei; Ma, Wei-Hsien
Source:
World journal of microbiology & biotechnology 2007 v.23 no.5 pp. 625-632
ISSN:
0959-3993
Subject:
Brachymonas; acetates; ammonium chloride; bacteria; biomass; biosynthesis; carbon; cell growth; denitrification; energy; nitrates; nitrogen; nitrogen content; oxygen; phosphorus; plastics; polyhydroxybutyrate
Abstract:
... Polyhydroxyalkanoates (PHAs), intracellular carbon and energy reserve compounds in many bacteria, have been used extensively in biodegradable plastics. PHA formation is influenced by nutrient limitations and growth conditions. To characterize the PHA accumulation in a new denitrifying phosphorus-removing bacterium Brachymonas sp. P12, batch experiments were conducted in which the electron acceptor ...
DOI:
10.1007/s11274-006-9271-9

8. Microbial degradation of the biocide polyhexamethylene biguanide: isolation and characterization of enrichment consortia and determination of degradation by measurement of stable isotope incorporation into DNA

Author:
O'Malley, L.P.; Shaw, C.H.; Collins, A.N.
Source:
Journal of applied microbiology 2007 v.103 no.4 pp. 1158-1169
ISSN:
1364-5072
Subject:
Azospirillum; DNA; Mesorhizobium; Sphingomonas; ammonium chloride; bacteria; biocides; biodegradation; inoculum; nitrogen; nitrogen metabolism; sand; stable isotopes; swimming pools
Abstract:
... To isolate micro-organisms capable of utilizing polyhexamethylene biguanide (PHMB) as a sole source of nitrogen, and to demonstrate biodegradation of the biocide. Two consortia of bacteria were successfully enriched at the expense of PHMB, using sand from PHMB-treated swimming pools as inoculum. Both consortia were shown to contain bacteria belonging to the genera Sphingomonas, Azospirillum and Me ...
DOI:
10.1111/j.1365-2672.2007.03354.x
PubMed:
17897221

9. Enzymatic Reaction Coupled with Flow-Injection Analysis with Charged Aerosol, Coulometric, or Amperometric Detection for Estimation of Contamination of the Environment by Pesticides

Author:
Mikelova, Radka; Prokop, Zbynek; Stejskal, Karel; Adam, Vojtech; Beklova, Miroslava; Trnkova, Libuse; Kulichova, Bohumila; Horna, Ales; Chaloupkova, Radka; Damborsky, Jiri; Kizek, Rene
Source:
Chromatographia 2008 v.67 pp. 47-53
ISSN:
0009-5893
Subject:
Sphingomonas; aerosols; ammonium chloride; anions; bacteria; cations; colorimetry; detection limit; detectors; electrodes; enzymatic reactions; enzyme activity; halogenated hydrocarbons; high performance liquid chromatography; human health; pH; pesticides; phosphates; pollution; sodium chloride; temperature
Abstract:
... Because excessive using of pesticides poses a threat to the environment and to human health, development of low-cost and sensitive methods for analysis of pesticides in the environment is needed. Several bacteria can release halide ions from the molecules of halogenated hydrocarbons. This can be used in a device for analysis of halogenated hydrocarbons in the environment by quantification of the h ...
DOI:
10.1365/s10337-008-0590-x

10. Effect of cationization on adsorption of silver nanoparticles on cotton surfaces and its antibacterial activity

Author:
Mohammad Shateri Khalil-Abad; Mohammad Esmail Yazdanshenas; Mohammad Reza Nateghi
Source:
Cellulose 2009 v.16 no.6 pp. 1147-1157
ISSN:
0969-0239
Subject:
Escherichia coli; X-ray diffraction; adsorption; ammonium chloride; antibacterial properties; bacteria; cellulosic fibers; cotton; crystal structure; emissions; fabrics; image analysis; nanosilver; scanning electron microscopes; silver; spectrometers; stabilizers; temperature
Abstract:
... Cotton was cationized by exhaustion method using 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTAC) as a cation-generating agent. Adsorption of silver nanoparticles on normal and cationized cotton was studied by exhaustion method at temperatures of 80°C and 100°C. Two exhaustion baths were used, containing nanosilver colloidal solutions stabilized by two different stabilizers and variou ...
DOI:
10.1007/s10570-009-9351-8

11. Mechanism involved in phagocytosis and killing of Listeria monocytogenes by Acanthamoeba polyphaga

Author:
Akya, Alisha; Pointon, Andrew; Thomas, Connor
Source:
Parasitology research 2009 v.105 no.5 pp. 1375-1383
ISSN:
0932-0113
Subject:
Acanthamoeba; Amoeba; Listeria monocytogenes; acidification; actin; ammonium chloride; bacteria; coculture; cytochalasin D; cytoskeleton; eukaryotic cells; mammals; mannose; microscopy; monensin; pathogens; phagocytosis; polymerization; suramin; trophozoites
Abstract:
... Intra-cellular pathogen, Listeria monocytogenes, is capable of invasion and survival within mammalian cells. However, Acanthamoeba polyphaga trophozoites phagocytose and rapidly degrade Listeria cells. In order to provide more information on amoeba phagocytosis and killing mechanisms, this study used several inhibitor agents known to affect the phagocytosis and killing of bacteria by eukaryotes. A ...
DOI:
10.1007/s00436-009-1565-z
PubMed:
19644706

12. Nucleotides modify growth of selected intestinal bacteria in vitro

Author:
Sauer, N.; Bauer, E.; Vahjen, W.; Zentek, J.; Mosenthin, R.
Source:
Livestock science 2010 v.133 no.1-3 pp. 161-163
ISSN:
1871-1413
Subject:
interspecific variation; intestinal microorganisms; Escherichia coli; feed additives; bacteria; strain differences; ammonium chloride; adenosine monophosphate; yeast extract; physical models; casein; microbial growth; in vitro studies; guanosine monophosphate; small intestine; culture media; piglets; uridine monophosphate; cytidine monophosphate
Abstract:
... Dietary nucleotides play an important role in the development of the gastrointestinal tract and may affect intestinal bacteria in young monogastrics. Two in vitro studies have been performed to evaluate the effects of individually added nucleotides (AMP, CMP, GMP, IMP, and UMP) at different concentrations on growth response of selected bacteria strains that dominate the piglets' small intestine. I ...
DOI:
10.1016/j.livsci.2010.06.053

13. Adsorption of bacteria and polycations on model surfaces of cellulose, hemicellulose and wood extractives studied by QCM-D

Author:
Taina Leino; Mari Raulio; Mirja Salkinoja-Salonen; Per Stenius; Janne Laine
Source:
Colloids and surfaces 2011 v.86 no.1 pp. 131-139
ISSN:
0927-7765
Subject:
Pseudoxanthomonas; colloids; cations; scanning electron microscopy; cellulose; molecular weight; retention agents; hemicellulose; polystyrenes; monitoring; wood extractives; papermaking; adsorption; wood; atomic force microscopy; quartz; pH; pulp and paper industry; ammonium chloride; bacteria
Abstract:
... Quartz crystal microbalance with dissipation monitoring (QCM-D), atomic force microscopy (AFM) and field emission scanning electron microscopy (FESEM) were used as the tools to study the adsorption of bacteria onto surfaces of silica and polystyrene coated with materials related to papermaking. Cationic polyelectrolytes used as fixatives and retention aids in paper industry were found to promote i ...
DOI:
10.1016/j.colsurfb.2011.03.031

14. Effects of environmental factors on microbial induced calcium carbonate precipitation

Author:
Mortensen, B.M.; Haber, M.J.; DeJong, J.T.; Caslake, L.F.; Nelson, D.C.
Source:
Journal of applied microbiology 2011 v.111 no.2 pp. 338-349
ISSN:
1364-5072
Subject:
Sporosarcina pasteurii; ammonium chloride; bacteria; biological treatment; calcium carbonate; environmental factors; freshwater; metabolism; microbial growth; oxygen; seawater; soil types; urease
Abstract:
... Aims: To gain an understanding of the environmental factors that affect the growth of the bacterium Sporosarcina pasteurii, the metabolism of the bacterium and the calcium carbonate precipitation induced by this bacterium to optimally implement the biological treatment process, microbial induced calcium carbonate precipitation (MICP), in situ. Methods and Results: Soil column and batch tests were ...
DOI:
10.1111/j.1365-2672.2011.05065.x

15. Efficacy of natural biocide on control of microbial induced corrosion in oil pipelines mediated by Desulfovibrio vulgaris and Desulfovibrio gigas

Author:
Meeta Lavania; Priyangshu M. Sarma; Ajoy K. Mandal; Simrita Cheema; Banwari Lai
Source:
Journal of environmental sciences (China) 2011 v.23 no.8 pp. 1394-1402
ISSN:
1001-0742
Subject:
Desulfovibrio gigas; Desulfovibrio vulgaris; ammonium chloride; bacteria; biocides; biofilm; corrosion; cows; formaldehyde; glutaraldehyde; hydrogen sulfide; industry; iron; oils; pipelines; pipes; scanning electron microscopy; toxicity; urine
Abstract:
... We compared the efficacy of a natural biocide with four chemical tetrakishydroxymethyl phosphonium sulfonate, benzyl trimethyl ammonium chloride, and formaldehyde, glutaraldehyde, to control microbial induced corrosion in oil pipelines. The efficacy of biocides were monitored against Desulfovibrio vulgaris and Desulfovibrio gigas in experimental pipes by measuring cell counts, H₂S production, Fe(I ...
DOI:
10.1016/S1001-0742(10)60549-9

16. Nutritional regulation of protease production by the feather-degrading bacterium Chryseobacterium sp. kr6

Author:
Alessandro Riffel; Daniel J. Daroit; Adriano Brandelli
Source:
New biotechnology 2011 v.28 no.2 pp. 153-157
ISSN:
1871-6784
Subject:
Chryseobacterium; ammonium chloride; bacteria; casein; enzyme activity; feathers; glucose; microbial growth; nitrogen; proteinase inhibitors; proteinases; proteolysis; tryptones
Abstract:
... The effects of nutritional conditions on growth and protease production by the feather-degrading Chryseobacterium sp. kr6 were investigated. Higher growth was observed on feather-containing or tryptone (TR) medium when compared to casein (CA) or glucose-nitrogen (GN) base medium. Protease production occurred during growth on feather-containing and TR media, whereas no protease activity was detecte ...
DOI:
10.1016/j.nbt.2010.09.008

17. Production and partial characterization of xylanase produced by Jonesia denitrificans isolated in Algerian soil

Author:
Boucherba Nawel; Benallaoua Said; Copinet Estelle; Hebal Hakim; Francis Duchiron
Source:
Process biochemistry 2011 v.46 no.2 pp. 519-525
ISSN:
1359-5113
Subject:
Jonesia denitrificans; ammonium chloride; bacteria; biocatalysts; enzyme activity; fermenters; heat tolerance; magnesium sulfate; manganese; metal ions; pH; sodium chloride; soil; temperature; xylan; xylanases; yeast extract
Abstract:
... Jonesia denitrificans BN-13 was isolated from a sample collected from Algerian soil. This strain produced extracellular xylanases, the best xylanolytic activity is obtained in a medium made up of xylan (7mg/ml), extract of yeast (2.5mg/ml), NaCl (3mg/ml), NH₄Cl (6mg/ml), and of MgSO₄ (0.3mg/ml). In fermentor it also proved that the maximum of xylanolytic activity (10.81U/ml) was observed at the en ...
DOI:
10.1016/j.procbio.2010.10.003

18. Production of keratinolytic proteases through bioconversion of feather meal by the Amazonian bacterium Bacillus sp. P45

Author:
Daniel J. Daroit; Ana Paula F. Corrêa; Adriano Brandelli
Source:
International biodeterioration & biodegradation 2011 v.65 no.1 pp. 45-51
ISSN:
0964-8305
Subject:
Bacillus (bacteria); EDTA (chelating agent); ammonium chloride; bacteria; biotransformation; carbohydrates; casein; cheese whey; energy conservation; feather meal; feeds; fertilizers; gelatin; metal ions; pH; protein hydrolysates; proteinases; wastes
Abstract:
... Extracellular keratinase production by the feather-degrading Amazonian isolate Bacillus sp. P45 was evaluated with various growth substrates. Higher enzyme production occurred with feather meal (FM) in comparison to casein, gelatin, and cheese whey, suggesting the specificity of this strain for the utilization of keratinous substrates. Supplementation of FM medium with carbohydrates reduced enzyme ...
DOI:
10.1016/j.ibiod.2010.04.014

19. Characterization of the extracellular biodemulsifier of Bacillus mojavensis XH1 and the enhancement of demulsifying efficiency by optimization of the production medium composition

Author:
Xu Li; Ang Li; Chang Liu; Jixian Yang; Fang Ma; Ning Hou; Yang Xu; Nanqi Ren
Source:
Process biochemistry 2012 v.47 no.4 pp. 626-634
ISSN:
1359-5113
Subject:
Bacillus mojavensis; adverse effects; ammonium chloride; bacteria; biosurfactants; biosynthesis; carbon; chromatography; ethanol; gels; genes; glucose; hydrophobicity; lipopeptides; metal ions; nitrogen; phosphates; response surface methodology; ribosomal DNA; secretion; silicon; yeast extract
Abstract:
... The demulsifying bacterium XH1 was identified as a Bacillus mojavensis by the 16S rDNA gene. The extracellular biodemulsifier produced by this species was purified by ethanol extraction and column chromatography through a sephadex and silicon gel column. Preliminary investigation using UV–vis and TLC indicated that the biodemulsifier had two components a protein and a lipopeptide. All major compon ...
DOI:
10.1016/j.procbio.2012.01.004

20. Dynamic Changes of the Caenorhabditis elegans Proteome during Ontogenesis Assessed by Quantitative Analysis with 15N Metabolic Labeling

Author:
Geillinger Kerstin E.; Kuhlmann Katja; Eisenacher Martin; Meyer Helmut E.; Daniel Hannelore; Spanier Britta
Source:
Journal of Proteome Research 2012 v.11 no.9 pp. 4594-4604
ISSN:
1535-3907
Subject:
Caenorhabditis elegans; Escherichia coli; aminoacyl tRNA ligases; ammonium chloride; animals; bacteria; data collection; energy metabolism; extracellular matrix; hatching; larvae; larval development; muscle protein; nitrogen; ontogeny; proteome; quantitative analysis; ribosomal proteins; stable isotopes; superoxide dismutase; transcriptome; transfer RNA
Abstract:
... The development of the nematode Caenorhabditis elegans is a highly dynamic process. Although various studies have assessed global transcriptome changes, information on the dynamics of the proteome during ontogenesis is not available. We metabolically labeled C. elegans by using ¹⁵N ammonium chloride as a precursor in Escherichia coli feeding bacteria grown in minimal media as a new cost-effective ...
DOI:
10.1021/pr300385v