Applications and research advance of genome shuffling for industrial microbial strains improvement.

abstract：:Tween 80 (0.1%, v/v) added to Thermomonospora curvata growing in minimal medium caused a transient lowering of the dry cell mass, decreased the optimal growth temperature of the thermophile from 62 to 54°C, and increased extracellular esterase activity. Cells grown in the presence of Tween 80 had decreased concentrati...

journal_title：World journal of microbiology & biotechnology

authors： Thies E,Jenkins T,Stutzenberger F

更新日期：1994-11-01 00:00:00

abstract：:Chymosin can specifically break down the Phe105-Met106 peptide bond of milk κ-casein to form insoluble para-κ-casein, resulting in milk coagulation, a process that is used in making cheese. In this study, in order to obtain an alternative milk coagulant which is safe and efficient, and simultaneously can produce chees...

journal_title：World journal of microbiology & biotechnology

authors： Jiang XP,Yin ML,Chen P,Yang Q

更新日期：2012-05-01 00:00:00

abstract：:Anabaena doliolum grown under molybdenum deficiency produced less biomass (on a dry wt basis) and the cells had lower protein content but higher carbohydrate content than Mo-grown material. Molybdenum deficiency led to a slight decrease in chlorophyll a, a 1.5-fold increase in carotenoids and a 1.4-fold increase in to...

journal_title：World journal of microbiology & biotechnology

authors： Rathore DS,Kumar A,Kumar HD

更新日期：1993-09-01 00:00:00

abstract：:With rapid urbanization, anthropogenic activities are increasingly influencing the natural environment of the Bohai Bay. In this study, the composition and variation of bacterial and nirS-harboring bacterial communities in the coastal zone sediments of the Bohai Gulf were analyzed using PCR-based clone libraries. A to...

journal_title：World journal of microbiology & biotechnology

authors： Guan X,Zhu L,Li Y,Xie Y,Zhao M,Luo X

更新日期：2014-04-01 00:00:00

abstract：:An efficient expression-secretion system for heterologous protein production in food-grade hosts, Lactobacillus plantarum and Bacillus subtilis, is still required to broaden their applications. The optimal signal peptide compatible with both the desired protein and the target host is important for the system. Here, we...

journal_title：World journal of microbiology & biotechnology

authors： Promchai R,Visessanguan W,Luxananil P

更新日期：2020-09-19 00:00:00

abstract：:Cultural tourism expanded in the last half of the twentieth century, and the interest of visitors has come to include caves containing archaeological remains. Some show caves attracted mass tourism, and economical interests prevailed over conservation, which led to a deterioration of the subterranean environment and t...

journal_title：World journal of microbiology & biotechnology

authors： Saiz-Jimenez C

更新日期：2012-07-01 00:00:00

abstract：:The induction of laccase isoforms in Trametes versicolor HEMIM-9 by aqueous extracts (AE) from softwood and hardwood was studied. Samples of sawdust of Pinus sp., Cedrela sp., and Quercus sp. were boiled in water to obtain AE. Different volumes of each AE were added to fungal cultures to determine the amount of AE nee...

journal_title：World journal of microbiology & biotechnology

authors： Bertrand B,Martínez-Morales F,Tinoco R,Rojas-Trejo S,Serrano-Carreón L,Trejo-Hernández MR

更新日期：2014-01-01 00:00:00

abstract：:Cystic Fibrosis is a genetic disease and it affects the respiratory and digestive systems. Pseudomonas aeruginosa infections in Cystic Fibrosis are presented as the main cause for high mortality and morbidity rates. Pseudomonas aeruginosa populations can regulate their virulence gene expressions via the bacterial comm...

journal_title：World journal of microbiology & biotechnology

authors： Gökalsın B,Sesal NC

更新日期：2016-09-01 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：:The incidence of Candida infections have increased substantially in recent years due to aggressive use of immunosuppressants among patients. Use of broad-spectrum antibiotics and intravascular catheters in the intensive care unit have also attributed with high risks of candidiasis among immunocompromised patients. Amo...

journal_title：World journal of microbiology & biotechnology

authors： Alam MZ,Alam Q,Jiman-Fatani A,Kamal MA,Abuzenadah AM,Chaudhary AG,Akram M,Haque A

更新日期：2014-05-01 00:00:00

abstract：:In this study, we developed a novel technique for preparing polyvinyl alcohol (PVA) hydrogel as an immobilizing matrix by the addition of sodium bicarbonate. This resulted in an increase in the specific surface area of PVA_sodium bicarbonate (PVA_SB) hydrogel beads to 65.23 m(2) g(-1) hydrogel beads, which was approxi...

journal_title：World journal of microbiology & biotechnology

authors： Qiao S,Duan X,Zhou J,Cheng Y,Bhatti Z

更新日期：2014-07-01 00:00:00

abstract：:The objectives of this study were firstly, to determine the genetic diversity of Monilinia laxa isolates from Hungary, using the PCR-based inter-simple sequence repeat (ISSR) and randomly amplified polymorphic DNA (RAPD) technique; secondly, to prepare genetic diversity groups based on the dendrograms; and finally, to...

journal_title：World journal of microbiology & biotechnology

authors： Fazekas M,Madar A,Sipiczki M,Miklós I,Holb IJ

更新日期：2014-06-01 00:00:00

abstract：:Pseudomonas aeruginosa possesses an arcade of both cell-associated and extracellular cytotoxic virulence factors which are regulated by a multi-component quorum sensing system. Many research studies report success of lactonase in combating the pathogenicity of P. aeruginosa but delivery of lactonase remains a challeng...

journal_title：World journal of microbiology & biotechnology

authors： Joshi S,Kaur A,Sharma P,Harjai K,Capalash N

更新日期：2014-08-01 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：:Although the use of degrading-bacteria is one of the most efficient methods for the bioremediation of polluted sites, detection, selection and proliferation of the most efficient and competing bacteria is still a challenge. The objective of this multi-stage research was to investigate the effects of the selected bacte...

journal_title：World journal of microbiology & biotechnology

authors： Naeim AH,Baharlouei J,Ataabadi M

更新日期：2020-11-09 00:00:00

abstract：:Heavy-metal chromium [Cr(VI)] is a ubiquitous environmental pollutant. Comparing with chemical reduction, microbiological reduction is considered to be a friendly and cheaper way to decrease the damage caused by chromate. A bacterial strain, CR-07, which is resistant to and capable of reducing chromate was isolated fr...

journal_title：World journal of microbiology & biotechnology

authors： Liu Z,Wu Y,Lei C,Liu P,Gao M

更新日期：2012-04-01 00:00:00

abstract：:Kaolin is an important industrial raw material and a basis of a range of different products. Microbial spoilage is a detrimental process observed especially in kaolin slurries, leading to low quality products and economic loss. Although the alteration of kaolin slurries in ceramic industry was observed, the process an...

journal_title：World journal of microbiology & biotechnology

authors： Papp I,Balázs M,Tombácz E,Babcsán N,Kesserű P,Kiss I,Szvetnik A

更新日期：2012-04-01 00:00:00

abstract：:Endophytes are recognised as potential sources of novel secondary metabolites, including enzymes and drugs, with applications in medicine, agriculture and industry. There is a growing need for new enzymes, including proteases, for use in industry that can function under a variety of conditions. In this study, three fu...

journal_title：World journal of microbiology & biotechnology

authors： Zaferanloo B,Quang TD,Daumoo S,Ghorbani MM,Mahon PJ,Palombo EA

更新日期：2014-06-01 00:00:00

abstract：:Nitrification plays a significant role in the global nitrogen cycle, and this concept has been challenged with the discovery of ammonia-oxidizing archaea (AOA) in the environment. In this paper, the vertical variations of the diversity and abundance of AOA in the hyporheic zone of the Fuyang River in North China were ...

journal_title：World journal of microbiology & biotechnology

authors： Wang Z,Wang Z,Huang C,Pei Y

更新日期：2014-04-01 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：:An important and useful bamboo species, fishscale bamboo (Phyllostachys heteroclada Oliver), is broadly distributed in Southeast China and has multiple purposes, including uses in cuisine, weaving, Chinese medicine and ecological protection. However, no previous studies have focused on the endophytes of this plant. In...

journal_title：World journal of microbiology & biotechnology

authors： Zhou YK,Shen XY,Hou CL

更新日期：2017-06-01 00:00:00

abstract：:Cr(VI) is a highly toxic metal produced by anthropogenic activity which may impact the environment, affecting plants and animals. In plants, chromium both as Cr(III) or Cr(VI) can be absorbed by roots, is poorly translocated and affects negatively plant growth. Plants used in phytoremediation need to cope with chromiu...

journal_title：World journal of microbiology & biotechnology

authors： Francisco R,Branco R,Schwab S,Baldani JI,Morais PV

更新日期：2017-12-18 00:00:00

abstract：:Ersho is a clear, yellow liquid that accumulates on the surface of fermenting teff-flour batter and is collected to serve as an inoculum for the next fermentation. The pH of ersho samples was about 3.5 and titratable acidity ranged between 3.1% and 5.7%. The mean aerobic mesophilic counts from four households varied b...

journal_title：World journal of microbiology & biotechnology

authors： Ashenafi M

更新日期：1994-01-01 00:00:00

abstract：:We investigated the potential production and desiccation tolerance of microsclerotia (MS) by Brazilian strains of Metarhizium anisopliae (Ma), M. acridum (Mc) and M. robertsii (Mr). These fungi were grown in a liquid medium containing 16 g carbon l⁻¹ with a carbon:nitrogen ratio of 50:1. One hundred milliliters cultur...

journal_title：World journal of microbiology & biotechnology

authors： Mascarin GM,Kobori NN,de Jesus Vital RC,Jackson MA,Quintela ED

更新日期：2014-05-01 00:00:00

abstract：:Yeasts, widely distributed across the Earth, have successfully colonized cold environments despite their adverse conditions for life. Lower eukaryotes play important ecological roles, contributing to nutrient recycling and organic matter mineralization. Yeasts have developed physiological adaptations to optimize their...

journal_title：World journal of microbiology & biotechnology

authors： Alcaíno J,Cifuentes V,Baeza M

更新日期：2015-10-01 00:00:00

abstract：:Over a 3-week period, samples of fresh, chopped, pork meat were taken every morning and afternoon from 50 meat stalls. Microbiological examination revealed that the samples had (c.f.u./g): total microbes, 1×10(3) to 2.14×10(6); mean probable numbers of coliforms and Escherichia coli, 1.51×10(3) to 1.15×10(4); and yeas...

journal_title：World journal of microbiology & biotechnology

authors： O'Toole DK

更新日期：1995-11-01 00:00:00

abstract：:agWH50C, a novel β-agarase gene, was cloned from Agarivorans gilvus WH0801 by degenerate PCR and nested PCR. The gene agWH50C comprized a 2,223-bp, encoding a protein of 740 amino acids. Sequencing results demonstrated that AgWH50C shared 45 % sequence identity with a well characterized β-agarase, Aga50D, from Sacchar...

journal_title：World journal of microbiology & biotechnology

authors： Liu N,Mao X,Yang M,Mu B,Wei D

更新日期：2014-06-01 00:00:00

abstract：:The present investigation entails the immobilisation and characterisation of Escherichia coli MO1-derived carbonic anhydrase (CA) and its influence on the transformation of CO₂ to CaCO₃. CA was purified from MO1 using a combination of Sephadex G-75 and DEAE cellulose column chromatography, resulting in 4.64-fold purif...

journal_title：World journal of microbiology & biotechnology

authors： Oviya M,Sukumaran V,Giri SS

更新日期：2013-10-01 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：:In Saccharomyces cerevisiae, los1 encodes a nuclear tRNA exporter. Despite the non-essentiality, the deletion of los1 has been shown to extend replicative life span in yeast. Here, we characterized AfuXpot, the los1 homologue in human pathogen Aspergillus fumigatus and found that it is continuously expressed during fu...

journal_title：World journal of microbiology & biotechnology

authors： Azizi A,SharifiRad A,Enayati S,Azizi M,Bayat M,Khalaj V

更新日期：2020-01-30 00:00:00