Rapid and simple assay for feruloyl and p-coumaroyl esterases.

abstract：:Bacillus coagulans, when grown on casein at 20°C, produced an inducible, metalloprotease of 28 kDa at 1.6 U/mg cell protein. (NH4)2SO4 at 2 g/l decreased enzyme production irrespective of carbon source. ...

journal_title：World journal of microbiology & biotechnology

authors： Ram MS,Singh L,Alam SI,Aggarwal MK

更新日期：1994-05-01 00:00:00

abstract：:Anaerobic degradation of organic matter follows similar pathways in digesters and anaerobic freshwater sediments. The responsible microorganisms are linked in a complex food web, where short chain fatty acids and H2 are important intermediates. Degradation of short-chain fatty acids is endothermic under standard condi...

journal_title：World journal of microbiology & biotechnology

authors： Westermann P

更新日期：1996-09-01 00:00:00

abstract：:An alternative procedure to obtain the parameters of Monod's growth model in batch culture is presented. It is based on the integral kinetic analysis methodology, employs a one-dimensional Golden Section search optimization method and is implemented on a spread-sheet programme. The procedure is discussed in detail and...

journal_title：World journal of microbiology & biotechnology

authors： Rolz C,Mata-Alvarez J

更新日期：1992-07-01 00:00:00

abstract：:Elicitation is one of the few strategies that find commercial application in the enhancement of secondary metabolite production from plants as well as cell culture systems. Due to their immense medicinal value, production of saponins in suspension cultures has been attempted by many researchers. Gymnema sylvestre is a...

journal_title：World journal of microbiology & biotechnology

authors： Ch B,Rao K,Gandi S,Giri A

更新日期：2012-02-01 00:00:00

abstract：:Pesticides (Brominal, Cuprosan and Fenvalerate) at 10 and 50 ppm suppressed growth, respiration and nitrogenase activity ofAzotobacter chroococcum, Azospirillum brasilense andAzospirillum lipoferum. The inhibitory effect on respiration ofAsm. lipoferum was most pronounced after 3 and 4 days. ...

journal_title：World journal of microbiology & biotechnology

authors： Omar SA,Abd-Alla MH

更新日期：1992-05-01 00:00:00

abstract：:In surface cultures of Streptomyces cyaneus var. viridochromogenes, NaCl depressed water activity (a w) without supporting growth. Reducing a w from 0.987 to 0.951 led to 3- and 4-fold increases in intracellular and extracellular phenol oxidase activities, respectively. ...

journal_title：World journal of microbiology & biotechnology

authors： Berrocal M,Huerta S,Rodríguez J,Pérez-Leblic M,Arias ME

更新日期：1996-01-01 00:00:00

abstract：:Listeria monocytogenes is a particular risk for the ready-to-eat food sector because of its ability to grow in various environmental conditions. In the literature, growth and survival of L. monocytogenes on food is tested using inoculation densities ranging from less than 102 to over 105 CFU g-1. Inoculation densities...

journal_title：World journal of microbiology & biotechnology

authors： McManamon O,Scollard J,Schmalenberger A

更新日期：2017-11-27 00:00:00

abstract：:Adhesion ability is a primary criterion for the selection of probiotic microorganisms. Lactic acid bacteria contribute the majority of microorganisms with probiotic properties. They have several important mechanisms for intestinal epithelial cell adhesion. In order to adhere to the intestinal cells, they generally use...

journal_title：World journal of microbiology & biotechnology

authors： Alp D,Kuleaşan H

更新日期：2019-10-01 00:00:00

abstract：:Nikkomycin Z (NZ) is a competitive inhibitor of chitin synthase III in the yeast Saccharomyces cerevisiae. Myosin type II-deficient yeast strains (myo1) display a dramatic reduction in growth when chitin synthase III activity is inhibited by NZ, supporting the contention that actomyosin motility plays an important rol...

journal_title：World journal of microbiology & biotechnology

authors： Rivera-Molina FE,González-Crespo S,Maldonado-De la Cruz Y,Ortiz-Betancourt JM,Rodríguez-Medina JR

更新日期：2006-03-01 00:00:00

abstract：:The present article reviews several approaches for inducing flocculation of Escherichia coli cells. The common industrially used bacterium E. coli does not naturally have floc-forming ability. However, there are several approaches to induce flocculation of E. coli cells. One is induction by flocculants-polyvalent inor...

journal_title：World journal of microbiology & biotechnology

authors： Ojima Y,Azuma M,Taya M

更新日期：2018-11-30 00:00:00

abstract：:Antimicrobial activity of silver nanoparticles (AgNPs) has been well documented in earlier studies. As their efficient role in combating phytopathogens has begun recently, there is a huge scope to explore their effectiveness in agriculture. Considering the strong antifungal activity of biosynthesized AgNPs (as reporte...

journal_title：World journal of microbiology & biotechnology

authors： Mishra S,Yang X,Ray S,Fraceto LF,Singh HB

更新日期：2020-03-16 00:00:00

abstract：:A symbiotic, heterocystous, N2-fixing blue-green alga, isolated from the coralloid roots of a xerophytic plant,Cycas revoluta, grew best in liquid medium supplemented with 4 mM NO 3 (-) . Morphologically, the isolated alga was identical to that of the natural endophyte but the cell size had decreased markedly. The alg...

journal_title：World journal of microbiology & biotechnology

authors： Sharma A,Mishra DP,Kumar A

更新日期：1992-09-01 00:00:00

abstract：:Aquilaria malaccensis produces agarwood in response to wounding and fungal attack. However, information is limited regarding Aquilaria's interaction with its diverse fungal community. In this study, time-related changes of three natural fungal colonizers in two wounded wild A. malaccensis were tracked, beginning a few...

journal_title：World journal of microbiology & biotechnology

authors： Mohamed R,Jong PL,Nurul Irdayu I

更新日期：2014-09-01 00:00:00

abstract：:The capacity of different naphthoquinones to inhibit and eradicate Yersinia enterocolitica biofilm was investigated and possible mechanisms of action were evaluated. Inhibition of biofilm formation and cell viability, quorum sensing (QS) inhibition and oxidative stress generation of 23 naphthoquinones were assayed aga...

journal_title：World journal of microbiology & biotechnology

authors： Di Marco NI,Páez PL,Lucero-Estrada CSM,Pungitore CR

更新日期：2021-01-18 00:00:00

abstract：:Hydroxy long-chain fatty acids occur widely in animals and plants and have important physiological activities in these eukaryotes. There are indications that these compounds are also common and important in fungi. The occurrence of hydroxy-polyunsaturated fatty acids (hydroxy-PUFAs) is of biotechnological importance, ...

journal_title：World journal of microbiology & biotechnology

authors： Van Dyk MS,Kock JL,Botha A

更新日期：1994-09-01 00:00:00

abstract：:A chemically defined medium called KGm medium was used to isolate from a sample of sea water a bacterial strain, MW3A, capable of using N-3-oxohexanoyl-L: -homoserine lactone as the sole carbon source. MW3A was clustered closely to Pseudomonas aeruginosa by 16S ribosomal DNA sequence analysis. It degraded both N-acylh...

journal_title：World journal of microbiology & biotechnology

authors： Wong CS,Yin WF,Choo YM,Sam CK,Koh CL,Chan KG

更新日期：2012-02-01 00:00:00

abstract：:The effects of different alkyl chain lengths of ionic liquids 1-ethyl-, 1-butyl- and 1-hexyl-3-methylimidazolium chloride, on the catalytic activity, thermal stability and deactivation kinetics of horseradish peroxidase were studied in the temperature range of 45-85 °C. The presence of 1-ethyl- and 1-butyl-ionic liqui...

journal_title：World journal of microbiology & biotechnology

authors： Machado MF,Queirós RP,Santos MD,Fidalgo LG,Delgadillo I,Saraiva JA

更新日期：2014-02-01 00:00:00

abstract：:Two Clostridium thermocellum strains were improved for ethanol tolerance, to 5% (v/v), by gradual adaptation and mutation. The best mutant gave an ethanol yield of 0.37 g/g substrate, with a growth yield 1.5 times more than its parent. Accumulation of acids and reducing sugars by the mutant strain with 5% (v/v) ethano...

journal_title：World journal of microbiology & biotechnology

authors： Rani KS,Swamy MV,Sunitha D,Haritha D,Seenayya G

更新日期：1996-01-01 00:00:00

abstract：:Biomass production of Cellulomonas was optimal with 1% (w/v) bagasse pith pre-treated with either 0.2 M NaOH for 1 h at 80°C or 0.4 M NaOH for 40 h at 28 to 30°C. Growth was similar to that obtained with a more severe treatment used as control and compared well with other reports for cellulolytic bacteria cultivated o...

journal_title：World journal of microbiology & biotechnology

authors： Rodríguez H,Alvarez R,Enríquez A

更新日期：1993-03-01 00:00:00

abstract：:Alicyclobacillus acidoterrestris is one of the most spoilage-causing bacteria in fruit juices. Control of A. acidoterrestris in fruit juices by bificin C6165 (Pei et al. in J Appl Microbiol 114(5):1273-1284, 2013), a bacteriocin produced by Bifidobacterium animalis subsp. animalis CICC 6165, was described in this stud...

journal_title：World journal of microbiology & biotechnology

authors： Pei J,Yue T,Yuan Y

更新日期：2014-03-01 00:00:00

abstract：:Butanol is not only an important chemical intermediate and solvent in pharmaceutical and cosmetics industries, but also considered as an advanced biofuel. Although species of the natural host Clostridium have been engineered, butanol titers in the anaerobe seem to be limited by its intolerance to butanol less than 13 ...

journal_title：World journal of microbiology & biotechnology

authors： Luo H,Zeng Q,Han S,Wang Z,Dong Q,Bi Y,Zhao Y

更新日期：2017-04-01 00:00:00

abstract：:Silver nanoparticles (SNPs) are extensively used in many industrial and medical applications; however, the impact of their release in the environment is still considered an understudied field. In the present work, SNPs present in aqueous lab waste water (average size of 30 nm) were used to determine their impact on mi...

journal_title：World journal of microbiology & biotechnology

authors： Gomaa OM

更新日期：2014-06-01 00:00:00

abstract：:Opuntia ficus-indica Mill. (forage cactus) is farmed with relative success in the semi-arid region of the Brazilian northeast for commercial purposes, particularly as forage and food. Endophytic microorganisms are those that can be isolated inside plant tissues and can be a new source to production of enzymes with dif...

journal_title：World journal of microbiology & biotechnology

authors： Bezerra JD,Santos MG,Svedese VM,Lima DM,Fernandes MJ,Paiva LM,Souza-Motta CM

更新日期：2012-05-01 00:00:00

abstract：:Rice seedlings (Oryza sativa) inoculated with the plant growth-promoting rhizobacteria Azospirillum brasilense FT326 showed an enhanced development of the root system 3 days after inoculation. Later on, a remarkable enlargement of shoots was also evident. An increase in the Ca2+-dependent histone kinase activity was a...

journal_title：World journal of microbiology & biotechnology

authors： Ribaudo CM,Curá JA,Cantore ML

更新日期：2017-02-01 00:00:00

abstract：:This paper aims to characterize halophilic bacteria inhabiting Algerian Saline Ecosystems (Sebkha and Chott) located in arid and semi-arid ecoclimate zones (Northeastern Algeria). In addition, screening of enzymatic activities, heavy metal tolerance and antagonistic potential against phytopathogenic fungi were tested....

journal_title：World journal of microbiology & biotechnology

authors： Menasria T,Monteoliva-Sánchez M,Benammar L,Benhadj M,Ayachi A,Hacène H,Gonzalez-Paredes A,Aguilera M

更新日期：2019-08-20 00:00:00

abstract：:A chromosomal gene, required for nodule development on Phaseolus bean, was characterized from Rhizobium etli strain TAL182. MLC640 is a Tn5 insertion mutant of TAL182 which shows decreased motility in soft TY agar and is defective in nodule development. The site of Tn5 insertion in MLC640 mapped to a 3.6-kb EcoRI chro...

journal_title：World journal of microbiology & biotechnology

authors： Pooyan S,George ML,Borthakur D

更新日期：1994-09-01 00:00:00

abstract：:Trehalose synthase (TreS) catalyzes the reversible interconversion of maltose and trehalose. A novel treS gene with a length of 3,369 bp, encoding a protein of 1,122 amino acid residues with a predicted molecular mass of 126 kDa, was cloned from a marine Pseudomonas sp. P8005 (CCTCC: M2010298) and expressed in Escheri...

journal_title：World journal of microbiology & biotechnology

authors： Gao Y,Xi Y,Lu XL,Zheng H,Hu B,Liu XY,Jiao BH

更新日期：2013-11-01 00:00:00

abstract：:This study was conducted to report the richness of endophytic Penicillium and Talaromyces species isolated from Tillandsia catimbauensis, a bromeliad endemic in the Brazilian tropical dry forest (Caatinga), to verify their ability to produce the enzyme L-asparaginase and to partially optimise the production of biomass...

journal_title：World journal of microbiology & biotechnology

authors： Silva LF,Freire KTLS,Araújo-Magalhães GR,Agamez-Montalvo GS,Sousa MA,Costa-Silva TA,Paiva LM,Pessoa-Junior A,Bezerra JDP,Souza-Motta CM

更新日期：2018-10-28 00:00:00

abstract：:Soaking seeds of cucumber and pumpkin with an extract of Westiellopsis prolifica, an N2-fixing cyanobacterium, promoted germination and their subsequent growth and development. An extract of Lyngbya sp., a non-N2-fixing cyanobacterium, had no significant effect. ...

journal_title：World journal of microbiology & biotechnology

authors： Nanda B,Tripathy SK,Padhi S

更新日期：1991-11-01 00:00:00

abstract：:Quaternary ammonium salts (QASs) are ubiquitous in nature, being found in organisms ranging from microorganisms to vertebrates (e.g., glycine betaine, carnitine) where they have important cellular functions. QASs are also obtained by chemical synthesis. These compounds, due to their diverse chemical structure (e.g. mo...

journal_title：World journal of microbiology & biotechnology

authors： Obłąk E,Futoma-Kołoch B,Wieczyńska A

更新日期：2021-01-11 00:00:00