Biocatalysis and Agricultural Biotechnology

Items from 1 to 20 out of 21 results

article

Biodegradation of pentachlorophenol by marine-derived fungus Trichoderma harzianum CBMAI 1677 isolated from ascidian Didemnun ligulum

Bruna Vacondio, Willian G. Birolli, Irlon M. Ferreira, Mirna H.R. Seleghim, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 266-275

In this study, the marine-derived fungi Aspergillus sydowii DL6A, Apergillus versicolor DL5A, Cladosporium oxysporum DL5G, Fusarium proliferatum DL11A and Trichoderma harzianum CBMAI 1677 isolated from marine ascidian Didemnun ligulum were evaluated according to their growth in the presence of pentachlorophenol (PCP). The colonies were assessed in 10, 20, 30, 40 and 50mgL⁻¹ of PCP in a solid culture...

article

Optimization of zeaxanthin and β-carotene extraction from Chlorella saccharophila isolated from New Zealand marine waters

Dilip Singh, Colin J. Barrow, Anshu S. Mathur, Deepak K. Tuli, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 166-173

Zeaxanthin is an important natural pigment which has found commercial application in food and nutritional supplements. Its potential widespread use requires an easy and effective extraction methodology for obtaining higher yields. Extraction from Chlorella sp. under optimized conditions demonstrated a marked reduction in extraction time (13.48min) compared with a control experiment (30min). The extraction...

article

Structure of a novel monocyclic carotenoid, 3″-hydroxy-2′-isopentenylsaproxanthin ((3R,2′S)-2′-(3-hydroxy-3-methylbutyl)-3′, 4′-didehydro-1′, 2′-dihydro-β, ψ-carotene-3, 1′-diol), from a flavobacterium Gillisia limnaea strain DSM 15749

Naoki Takatani, Tomoo Sawabe, Takashi Maoka, Kazuo Miyashita, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 174-179

Gillisia limnaea strain DSM 15749 (=R-8282^T, =LMG21470,=CIP108418) is a Gram-negative, strictly aerobic, psychrophilic, and non-photosynthetic bacterium that belongs to the family Flavobacteriaceae, which was isolated from a microbial mat in Lake Fryxell, Antarctica (Van Trappen et al., 2004). The bacterium shows yellow colored colony, but the carotenoid composition has never been determined yet....

article

Hydrogenation of bis-α,β-unsaturated enones mediated by filamentous fungi

Irlon M. Ferreira, Suzan P. de Vasconcellos, João B. da Cruz, João V. Comasseto, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 144-149

In this study was used two strains of marine-derived fungi (Penicillium citrinum CBMA1186 and Trichoderma sp. CBMAI 932) and two strains of terrestrial fungi (Aspergillus sp. FPZSP 146 and Aspergillus sp. FPZSP 152) to biotransformation bis-α,β-unsaturated ketones 1–2 to their corresponding 1,5-diphenylpentan-3-one (1a), (E)-1,5-diphenylpent-1-en-3-one (1b), 1,5-diphenylpentan-3-ol (1c), (E)-1,5-diphenylpent-1-en-3-ol...

article

Editorial Board

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > IFC

article

Production, purification and characterization of alkaline protease by ascidian associated Bacillus subtilis GA CAS8 using agricultural wastes

Ramamoorthy Sathishkumar, Gnanakkan Ananthan, Jeganathan Arun

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 214-220

In the present study, protease producing Bacillus subtilis GA CAS8 was isolated from marine ascidian Phallusia arabica and identified by 16S rRNA gene sequence. Optimization of culture condition for protease production using agricultural wastes had done by response surface methodology. The statistical optimization studies revealed that the protease production was higher when the groundnut oil cake...

article

Antimicrobial, antioxidant and anticancer activities of mangrove associated bacterium Bacillus subtilis subsp. subtilis RG

R. Ramasubburayan, S. Sumathi, D. Magi Bercy, G. Immanuel, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 158-165

In the present investigation an attempt was made to explore the antimicrobial, antioxidant and anticancer activities of ethyl acetate extract of mangrove associated bacterium Bacillus subtilis subsp. subtilis RG. Antimicrobial activity results revealed that, the extract had strongly inhibited growth of gram positive than gram negative bacterial strains and also significantly (P<0.05) inhibited...

article

A new approach for proteases production by Aspergillus niger based on the kinetic and thermodynamic parameters of the enzymes obtained

Ruann Janser Soares de Castro, André Ohara, Tânia Goia Nishide, Juliana Reolon Mangabeira Albernaz, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 199-207

This study reports the proteases production by Aspergillus niger LBA02 under solid state fermentation using different agroindustrial wastes and the variation of the biochemical properties of these proteases in response to each substrate. The biochemical properties of the proteases varied widely when produced in wheat bran (PWB), soybean meal (PSM), cottonseed meal (PCM), orange peel (POP) and the...

article

Preparation and characterization of cross-linked enzyme aggregates (CLEAs) of Brassica rapa peroxidase

Nassima Tandjaoui, Amina Tassist, Mahmoud Abouseoud, Annabelle Couvert, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 208-213

Peroxidase from white turnip (Brassica rapa) was immobilized as cross-linked enzyme aggregate (CLEA) via solvent precipitation and glutaraldehyde cross-linking. The nature of the precipitation solvent, enzyme and glutaraldehyde concentrations affected the formation and the activity of the enzyme aggregate. The aggregates resulting from cross-linking with glutaraldehyde produced insoluble catalytically...

article

Optimal production and characterization of alkaline protease from newly isolated halotolerant Jeotgalicoccus sp

Narendra Mokashe, Ambalal Chaudhari, Ulhas Patil

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 235-243

A halotolerant strain UG was newly isolated from saline soil, produces an extracellular alkaline protease. The strain was identified as Jeotgalicoccus sp. on the basis of phylogenetic and phenotypic characteristics. The maximum protease yield (256.4±4.3U/ml) was attained using optimized medium consists; peptone, K₂HPO₄, MgSO₄·7H₂O, CaCl₂ and NaCl; pH 10 at 37°C within 40h. The protease secretion was...

article

Physicochemical characterization of five types of citrus dietary fibers

Lei Wang, Honggao Xu, Fang Yuan, Qiuyue Pan, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 250-258

The chemical composition, physicochemical and in vitro biochemical properties of dietary fibers (DFs) from five types of citrus fruit peels (orange, grapefruit, lemon, gonggan and ponkan) were investigated. The contents of total, soluble and insoluble dietary fibers in citrus fruit peels had no significant difference (p>0.05) and the binding capacities of soluble dietary fibers (SDFs) of orange,...

article

Design-of-experiment strategy for the production of mannanase biocatalysts using plam karnel cake and its application to degrade locust bean and guar gum

Hemant Soni, Mohd. Anis Ganaie, Kumar Pranaw, Naveen Kango

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 229-234

Production of β-mannanase from thermotolerant Aspergillus terreus FBCC 1369 was optimized by response surface methodology (RSM) using plam kernel cake (PKC) as substrate. Effect of particle size of substrate, pH, moisture content and carbon and nitrogen supplements was studied. Under unoptimized conditions i.e. 2mm particle size of PKC, moisture level 1:1 and pH 6.5 fungus produced only 41U/gds. Initial...

article

Optimization of iron chelating biosurfactant production by Stenotrophomonas maltophilia NBS-11

B. Hemlata, J. Selvin, K. Tukaram

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 135-143

The biosurfactants are microbially produced amphiphilic molecules having unique surface active properties and gaining worldwide attention due to their wide scope applications. Cost competitiveness is the major concern associated with biosurfactant production and its applicability indicating scope for searching potent biosurfactant producers and optimization of a production process. The biosurfactant...

article

Biosynthesis of silver nano-particles by marine sediment fungi for a dose dependent cytotoxicity against HEp2 cell lines

Bibin. G. Anand, C.K. Navin Thomas, S. Prakash, C. Sathish Kumar

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 150-157

Biosynthesis of silver nanoparticles has been carried out by using the cell free filtrate of marine sediment fungal species of Southern peninsular coastal region of India and identified based on the sequence analysis of Internal Transcribed Spacer region of rRNA genes. Species were identified as Aspergillus flavus SP-3, Trichoderma gamsii SP-4, Talaromyces flavus SP-5, and Aspergillus oryzae SP-6...

article

Alkaline and thermostable polygalacturonase from Streptomyces halstedii ATCC 10897 with applications in waste waters

Yuly A. Ramírez-Tapias, Cintia W. Rivero, Claudia N. Britos, Jorge A. Trelles

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 221-228

Pectin degrading enzymes with polygalacturonase (PG) activity hydrolyze α-(1,4) glycosidic bonds of polysaccharides present in higher plants. In the current study one hundred bacterial strains were screened for extracellular PG activity using an inductive culture medium. Optimization of fermentation conditions for Streptomyces halstedii ATCC 10897 was conducted using experimental designs. The maximum...

article

Statistical optimization for improved production of fibrin(Ogen)olytic enzyme by Bacillus cereus strain FF01 and assessment of in vitro thrombolytic potential of protease enzyme

Sourav Majumdar, Samanwita Goswami, Chenole Keppen, Sudhir K. Rai, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 191-198

An extracellular fibrin(ogen)olytic protease-producing bacterial strain (FF01) was isolated from a rice beer alcohol producing starter culture of North East India, Assam. Initially, Plackett–Burman design was applied to screen the significant factors influencing the yield of fibrinolytic enzyme (measured in terms of fibrinolytic/caseinolytic ratio) in submerged fermentation after 24h of incubation...

article

Studies on endosulfan degradation by local isolate Pseudomonas aeruginosa

Chandrakant P. Narkhede, Anant R. Patil, Sunil Koli, Rahul Suryawanshi, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 259-265

A bacterium capable of tolerating high levels of endosulfan was isolated from soil of cotton field. The ability of the bacterium to degrade endosulfan was investigated by culturing it in minimal media and nutrient broth containing high levels of endosulfan. The 16S rRNA gene sequencing indicated the bacterium as Pseudomonas aeruginosa. Endosulfan degradation by the bacteria was found to occur more...

article

Castor diacylglycerol acyltransferase type 1 (DGAT1) displays greater activity with diricinolein than Arabidopsis DGAT1

Thomas A. McKeon, Xiaohua He

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 276-278

Castor oil contains the hydroxy fatty acid ricinoleate as a major (90%) component. The diacylglycerol acyltransferase (DGAT) carries out the final reaction step in the biosynthesis of triacylglycerol, the principal constituent of seed oil, and has been considered to be the step that controls the oil content of seeds. In order to better understand how castor is able to produce such an unusual oil,...

article

Process optimization of butanol production by Clostridium saccharoperbutylacetonicum N1-4 (ATCC 13564) using palm oil mill effluent in acetone–butanol–ethanol fermentation

Najeeb Kaid Nasser Al-Shorgani, Hafiza Shukor, Peyman Abdeshahian, Mohd Yusuf Mohd Nazir, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 244-249

Palm oil mill effluent (POME), an abundant and low-cost agro-industrial residue, was utilized for the production of butanol in the anaerobic process of acetone–butanol–ethanol (ABE) fermentation. The ABE process was performed by the cultivation of Clostridium saccharoperbutylacetonicum N1-4 (ATCC 13564) in raw POME medium without supplementation. The effect of various process parameters, including...

article

Heme-peroxidase from medicinal plant Artocarpus lakoocha: Purification, characterization and wound healing studies

Kirti Shila Sonkar, Manendra Pachauri, Amit Kumar, Ankita Shukla, more

Biocatalysis and Agricultural Biotechnology > 2015 > 4 > 2 > 180-190

Artocarpus lakoocha is a medicinal plant used in cosmetics and traditional remedies of many diseases. We have purified a protein from its latex using anion exchange chromatography and gel filtration, which resulted in 28.82% yield of protein, with specific activity of 10.8 units/mg. FPLC spectroscopy and isoelectrofocusing demonstrated that purified protein has molecular mass of 53kDa with isoelectric...

Number:
2
Volume:
4
Year:
2015

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Keywords

PROTEASE (2)
RESPONSE SURFACE METHODOLOGY (RSM) (2)
2′-ISOPENTENYLSAPROXANTHIN (1)
3″-HYDROXY-2′-ISOPENTENYLSAPROXANTHIN (1)
ABE FERMENTATION (1)
ABRUS PRECATORIUS (1)
ACTIVITY RECOVERY (1)
AGGREGATION YIELD (1)
AGRICULTURAL WASTES (1)
ALKALINE PROTEASE (1)
ANTICANCER (1)
ANTIMICROBIAL (1)
ANTIOXIDANT (1)
ARABIDOPSIS THALIANA (1)
ARTOCARPUS LAKOOCHA (1)
ASCIDIANS (1)
ASCORBATE PEROXIDASE (1)
ASCORBIC ACID (1)
ASPERGILLUS TERREUS (1)
BACILLUS CEREUS (1)
BACILLUS SUBTILIS (1)
BACILLUS SUBTILIS SUBSP. SUBTILIS (1)
BIOCATALYSIS (1)
BIODEGRADATION (1)
BIOTRANSFORMATION (1)
BRASSICA RAPA PEROXIDASE (1)
BUTANOL PRODUCTION (1)
CASTOR (1)
CENTRAL COMPOSITE DESIGN (1)
CHEMICAL COMPOSITION (1)
CITRUS FRUIT PEELS (1)
CLOSTRIDIUM SACCHAROPERBUTYLACETONICUM N1-4 (1)
CROSS-LINKED ENZYME AGGREGATE (1)
CULTURE MEDIUM DESIGN (1)
DIETARY FIBER (1)
ENDOSULFAN (1)
ENE-REDUCTASE (1)
ENTEROBACTER SP. (1)
ENZYMATIC REDUCTION (1)
ENZYME STABILITY (1)
EXCOECARIA AGALLOCHA (1)
EXTRACELLULAR SYNTHESIS (1)
FERMENTATION OPTIMIZATION (1)
FIBRIN(OGEN)OLYTIC ENZYME (1)
FIBRINOLYTIC/CASEINOLYTIC (F/C) RATIO (1)
FLAVOBACTERIACEAE (1)
GILLISIA LIMNAEA STRAIN DSM 15749 (1)
GLYCOLIPID BIOSURFACTANT (1)
HALOTOLERANT (1)
HEP2 CELL LINES (1)
IN VITRO BINDING CAPACITY (1)
ION EXCHANGE CHROMATOGRAPHY (1)
IRON CHELATING ACTIVITY (1)
IRON OVERLOAD (1)
JEOTGALICOCCUS SP. (1)
MANNAN (1)
MARINE ALGAE (1)
MARINE FUNGI (1)
MARINE SEDIMENT FUNGI (1)
MONOCYCLIC CAROTENOID (1)
MTT ASSAY (1)
OIL BIOSYNTHESIS (1)
OXIDATIVE STRESS (1)
PALM KERNEL CAKE (1)
PALM OIL MILL EFFLUENT (POME) (1)
PENTACHLOROANISOLE (1)
PEROXIDASE (1)
PESTICIDE (1)
PHYSICOCHEMICAL PROPERTIES (1)
PROTEIN PURIFICATION (1)
PURIFICATION (1)
RESPONSE SURFACE METHODOLOGY (1)
RICINOLEATE (1)
RICINUS COMMUNIS (1)
RSM (1)
SCREENING (1)
SDS-PAGE (1)
SHAKING (1)
SILVER NANO-PARTICLES (1)
SOIL (1)
STATIC (1)
STENOTROPHOMONAS MALTOPHILIA (1)
SUBMERGE FERMENTATION (SMF) (1)
SUBSTRATE SPECIFICITIES (1)
TETRACHLOROANISOLE (1)
THERMODYNAMIC AND KINETIC PARAMETERS (1)
THROMBOLYTIC AGENT (1)
TOXICITY (1)
TRIACYLGLYCEROL (1)
TRICHODERMA HARZIANUM (1)
ULTRASONICATION (1)
WASTE WATERS (1)
Α,Β-UNSATURATED KETONE (1)
Β-MANNANASE (1)
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INFONA - science communication portal

Biocatalysis and Agricultural Biotechnology

Biodegradation of pentachlorophenol by marine-derived fungus Trichoderma harzianum CBMAI 1677 isolated from ascidian Didemnun ligulum

Optimization of zeaxanthin and β-carotene extraction from Chlorella saccharophila isolated from New Zealand marine waters

Structure of a novel monocyclic carotenoid, 3″-hydroxy-2′-isopentenylsaproxanthin ((3R,2′S)-2′-(3-hydroxy-3-methylbutyl)-3′, 4′-didehydro-1′, 2′-dihydro-β, ψ-carotene-3, 1′-diol), from a flavobacterium Gillisia limnaea strain DSM 15749

Hydrogenation of bis-α,β-unsaturated enones mediated by filamentous fungi

Editorial Board

Production, purification and characterization of alkaline protease by ascidian associated Bacillus subtilis GA CAS8 using agricultural wastes

Antimicrobial, antioxidant and anticancer activities of mangrove associated bacterium Bacillus subtilis subsp. subtilis RG

A new approach for proteases production by Aspergillus niger based on the kinetic and thermodynamic parameters of the enzymes obtained

Preparation and characterization of cross-linked enzyme aggregates (CLEAs) of Brassica rapa peroxidase

Optimal production and characterization of alkaline protease from newly isolated halotolerant Jeotgalicoccus sp

Physicochemical characterization of five types of citrus dietary fibers

Design-of-experiment strategy for the production of mannanase biocatalysts using plam karnel cake and its application to degrade locust bean and guar gum

Optimization of iron chelating biosurfactant production by Stenotrophomonas maltophilia NBS-11

Biosynthesis of silver nano-particles by marine sediment fungi for a dose dependent cytotoxicity against HEp2 cell lines

Alkaline and thermostable polygalacturonase from Streptomyces halstedii ATCC 10897 with applications in waste waters

Statistical optimization for improved production of fibrin(Ogen)olytic enzyme by Bacillus cereus strain FF01 and assessment of in vitro thrombolytic potential of protease enzyme

Studies on endosulfan degradation by local isolate Pseudomonas aeruginosa

Castor diacylglycerol acyltransferase type 1 (DGAT1) displays greater activity with diricinolein than Arabidopsis DGAT1

Process optimization of butanol production by Clostridium saccharoperbutylacetonicum N1-4 (ATCC 13564) using palm oil mill effluent in acetone–butanol–ethanol fermentation

Heme-peroxidase from medicinal plant Artocarpus lakoocha: Purification, characterization and wound healing studies

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