Ecological guild and enzyme activities of rhizosphere soil microbial communities associated with Bt-maize cultivation under field conditions in North West Province of South Africa.

abstract：:The high-level expression of the xylanase GH11 gene from Aspergillus niger IA-001 called xynB was successfully completed in Pichia pastoris. The xynB gene encoding a mature xylanase of 225 amino acid was subcloned into the pPICZαA vector and was transformed into P. pastoris X-33 under the control of the alcohol oxidas...

journal_title：Journal of basic microbiology

authors： Fang W,Gao H,Cao Y,Shan A

更新日期：2014-07-01 00:00:00

abstract：:A simple photometric method for the determination of the agglutination rate of cells by lectins in a continuously stirred suspension is presented. Besides the agglutination rate the method allows the estimation of an average degree of agglutination, i.e. the number of cells per aggregate. The influence of the Con A-co...

journal_title：Journal of basic microbiology

authors： Flemming C,Gabert A,Flemming I

更新日期：1985-01-01 00:00:00

abstract：:Biofilms are means of protection to bacteria against antibiotics and antibodies. Catheters and others tube devices used by patients are prone to accumulation of thick layers of biofilms as hiding place for etiologic agents, resulting in substantial morbidity and mortality. Methicillin-resistant Staphylococcus aureus (...

journal_title：Journal of basic microbiology

authors： Mirani ZA,Jamil N

更新日期：2011-04-01 00:00:00

abstract：:Sphingobium sp. SYK-6 can utilize lignin biphenyl compounds, such as 2,2'-dihydroxy-3,3'-dimethoxy-5,5'-dicarboxybiphenyl (DDVA). In the metabolism of DDVA, this microorganism exploits two O -demethylation systems with different substrate specificities, namely, a DDVA-specific oxygenative O -demethylation system and a...

journal_title：Journal of basic microbiology

authors： Sonoki T,Masai E,Sato K,Kajita S,Katayama Y

更新日期：2009-09-01 00:00:00

abstract：:Rice cultivation is the main method for mudflat reclamation. However, changes in the community structure of microbes involved in nitrogen (N) cycling in response to mudflat reclamation via rice cultivation remain poorly understood. This study used quantitative polymerase chain reaction to characterize the distribution...

journal_title：Journal of basic microbiology

authors： Zhang Y,Li Q,Chen Y,Dai Q,Hu J

更新日期：2019-05-01 00:00:00

abstract：:The present study demonstrates cloning, expression, and characterization of hyperthermostable L-asparaginase from Thermococcus kodakarensis KOD1 in Escherichia coli BLR(DE3). The recombinant 6× His-tagged protein L-asparaginase from T. kodakarensis (TkAsn), was purified to homogeneity by heat treatment followed by aff...

journal_title：Journal of basic microbiology

authors： Hong SJ,Lee YH,Khan AR,Ullah I,Lee C,Park CK,Shin JH

更新日期：2014-06-01 00:00:00

abstract：:Differentiation commitment is one of the most complex mechanisms to study in biological science. One of the model systems used for understanding differentiation complexity is heterocyst development in cyanobacteria. Cyanobacteria have the capability of biological nitrogen fixation due to highly differentiated heterocy...

journal_title：Journal of basic microbiology

authors： Harish,Seth K

更新日期：2020-09-01 00:00:00

abstract：:Leaf-cutting ants modify the properties of the soil adjacent to their nests. Here, we examined whether such an ant-altered environment impacts the belowground fungal communities. Fungal diversity and community structure of soil from the fungus garden chambers of Atta sexdens rubropilosa and Atta bisphaerica, two wides...

journal_title：Journal of basic microbiology

authors： Rodrigues A,Passarini MR,Ferro M,Nagamoto NS,Forti LC,Bacci M Jr,Sette LD,Pagnocca FC

更新日期：2014-11-01 00:00:00

abstract：:The steroid 1-dehydrogenase of Rhodococcus erythropolis IMET 7030, an active steroid-transforming strain, was localized by immunogold labelling both in cells induced with 17-alpha-methyl-testosterone and in noninduced cells. The labelling intensity was much higher in induced cells than in noninduced cells, indicating ...

journal_title：Journal of basic microbiology

authors： Wagner B,Atrat PG,Clark-Curtiss JE,Wagner M

更新日期：1992-01-01 00:00:00

abstract：:Total cellular proteins and fatty acid composition profiles of mid-log phase cells of Salmonella enterica serovar Typhimurium grown at 8, 25, 37 or 42 °C were separated by 2D-PAGE and FAME analysis. Growth temperature associated protein expression can be grouped into 3 thermal classes which include proteins whose expr...

journal_title：Journal of basic microbiology

authors： Balamurugan S,Dugan ME

更新日期：2010-12-01 00:00:00

abstract：:The Schizosaccharomyces pombe msrB(+) gene encoding methionine-R-sulfoxide reductase (MsrB) was cloned into the shuttle vector pRS316 to generate the recombinant plasmid pFMetSO. The msrB(+) mRNA level was significantly increased in the S. pombe cells harboring pFMetSO, indicating that the cloned msrB(+) gene is funct...

journal_title：Journal of basic microbiology

authors： Jo H,Cho YW,Ji SY,Kang GY,Lim CJ

更新日期：2014-01-01 00:00:00

abstract：:A gene encoding an organic solvent-stable protease was amplified from Pseudomonas aeruginosa strain K by polymerase chain reaction using consensus primers based on multiple sequence alignment of alkaline and metalloprotease genes from Pseudomonas species. The gene, which consisted of 1440 bp nucleotides and deduced 47...

journal_title：Journal of basic microbiology

authors： Rahman RN,Geok LP,Wong CF,Basri M,Salleh AB

更新日期：2010-04-01 00:00:00

abstract：:The recA gene of Proteus mirabilis (recApm) has been cloned into the PstI site of the Bacillus promoter-probe plasmid pPL603. When present on this plasmid, the recApm1) gene is expressed in B. subtilis under the control of its own transcriptional and translational signals. It is concluded that the high AT-content of t...

journal_title：Journal of basic microbiology

authors： Eitner-Mönke G,Manteuffel R

更新日期：1986-01-01 00:00:00

abstract：:The objective of this study was to identify the most promising nutritional mode of growth for enhanced biomass and lipid productivity in a set of twenty microalgal strains, grown under photoautotrophic and mixotrophic/heterotrophic conditions using 2% glucose as carbon source. These included four cyanobacterial strain...

journal_title：Journal of basic microbiology

authors： Ratha SK,Babu S,Renuka N,Prasanna R,Prasad RB,Saxena AK

更新日期：2013-05-01 00:00:00

abstract：:The impact of increasing Cd2+ exposure on the quality and quantity of siderophores produced by a plant growth promoting Pseudomonas fulva strain was tested to gain insight into the degree of change. P. fulva was cultured in the increasing concentrations of Cd2+ (0, 0.5, 1.0, 2.0 mM). The secreted siderophores were sep...

journal_title：Journal of basic microbiology

authors： Thiem D,Złoch M,Gadzała-Kopciuch R,Szymańska S,Baum C,Hrynkiewicz K

更新日期：2018-07-01 00:00:00

abstract：:The gene mak1FN coding for maltokinase from Actinoplanes missouriensis is located in a cluster similar to glycogen metabolism clusters identified in Streptomyces coelicolor. Sequence comparisons demonstrate that mak1-related genes coding for homologous proteins are present in many bacterial genomes including taxonomic...

journal_title：Journal of basic microbiology

authors： Jarling M,Cauvet T,Grundmeier M,Kuhnert K,Pape H

更新日期：2004-01-01 00:00:00

abstract：:Proteus mirabilis (P. mirabilis) is one of Gram-negative pathogens encountered in clinical specimens. A clinical isolate (TRP41) of P. mirabilis was isolated from a Turkish patient in Turkey. The isolate was identified using the API 32GN system and 16S rRNA gene sequencing and it was found resistant to ampicillin/sulb...

journal_title：Journal of basic microbiology

authors： Cicek AC,Duzgun AO,Saral A,Sandalli C

更新日期：2014-10-01 00:00:00

abstract：:Hydrophobins are a family of small, moderately hydrophobic proteins with eight cysteine residues arranged in a conserved pattern. A full-length cDNA, designated Po.hyd, corresponding to a hydrophobin gene of Pleurotus ostreatus was obtained in our previous work. The Po.hyd gene contains a 333 bp open reading frame (OR...

journal_title：Journal of basic microbiology

authors： Ma A,Shan L,Wang N,Zheng L,Chen L,Xie B

更新日期：2007-08-01 00:00:00

abstract：:Two strains of 64 endophytic bacteria, Bacillus cereus Si-Ps1 and Pseudomonas azotoformans La-Pot3-3, isolated from Citrus sinensis and C. sinensis var. Thomson's leaves, respectively, reduced N-acyl homoserine-based quorum sensing in bioindicator strain Pseudomonas syringae pv. syringae (Pss) B728a and the biofilm pr...

journal_title：Journal of basic microbiology

authors： Akbari Kiarood SL,Rahnama K,Golmohammadi M,Nasrollanejad S

更新日期：2020-09-01 00:00:00

abstract：:Optimization of indigo production process from indole using a newly isolated phenol-degrading bacterial strain was performed by Plackett-Burman design and response surface methodology. The strain designated as QM was identified as Pseudomonas sp. according to 16S rDNA analysis. Spectrum analysis of indole biotransform...

journal_title：Journal of basic microbiology

authors： Qu Y,Ma Q,Zhang X,Zhou H,Li X,Zhou J

更新日期：2012-12-01 00:00:00

abstract：:Spodoptera littoralis, one of the major pests of many important crop plants, is more susceptible to Bacillus thuringiensis aizawai delta-endotoxins than to those of Bacillus thuringiensis kurstaki. Within the framework of the development of efficient bioinsecticides and the prevention against insect resistance, we tes...

journal_title：Journal of basic microbiology

authors： Benfarhat-Touzri D,Ben Amira A,Ben khedher S,Givaudan A,Jaoua S,Tounsi S

更新日期：2014-11-01 00:00:00

abstract：:For mass cultivation of group B streptococci (B-III and B-variant streptococci), a fermenter dialysis culture technique is described and compared to conventional shaking culture and fermenter batch culture techniques. The influence of two kinds of cultivation media on the bacterial yield is demonstrated. The growth ra...

journal_title：Journal of basic microbiology

authors： Starke R,Mehl M,Möckel C,Grunow R,Montag T,Von Baehr R,Schmidt G

更新日期：1989-01-01 00:00:00

abstract：:Dietary carbohydrates and polyols affect the microbial colonization of oral surfaces by modulating adhesion and biofilm formation. The aim of this study was to evaluate the influence of a select group of l-carbohydrates and polyols on either Streptococcus mutans or Candida albicans adhesion and biofilm formation in vi...

journal_title：Journal of basic microbiology

authors： Brambilla E,Ionescu AC,Cazzaniga G,Ottobelli M,Samaranayake LP

更新日期：2016-05-01 00:00:00

abstract：:Eighty-seven culturable endophytic bacterial isolates in 19 genera were obtained from coffee plants collected in Colombia (n = 67), Hawaii (n = 17), and Mexico (n = 3). Both Gram positive and Gram negative bacteria were isolated, with a greater percentage (68%) being Gram negative. Tissues yielding bacterial endophyte...

journal_title：Journal of basic microbiology

authors： Vega FE,Pava-Ripoll M,Posada F,Buyer JS

更新日期：2005-01-01 00:00:00

abstract：:Ammonia oxidation, mainly driven by ammonia-oxidizing archaea (AOA) and bacteria (AOB), plays an important role in determining the rate of nitrification in riparian zones. However, the underlying factors driving the distribution and activity of AOA and AOB in riparian zones, especially in the rhizosphere of Phragmites...

journal_title：Journal of basic microbiology

authors： Wang X,Wang S,Shi G,Wang W,Zhu G

更新日期：2019-04-01 00:00:00

abstract：:The possibility of associating starch degradation with bacterial beta-glucuronidase expression was examined. We proved that starving, in starch medium, amylase-negative Escherichia coli (M94) which has constitutive beta-glucuronidase greatly reduces (p < 0.01) its background activity, but the addition of both cell-fre...

journal_title：Journal of basic microbiology

authors： Cenci G,Caldini G,Trotta F

更新日期：2000-01-01 00:00:00

abstract：:Extracellular enzymes produced by Beauveria bassiana, are believed to play a key role in cuticle hydrolysis. Enzyme production and pathogenicity has been found to be positively correlated. Twenty-eight isolates of B. bassiana, collected from different geographical regions and host ranges were characterized by in vitro...

journal_title：Journal of basic microbiology

authors： Kaur G,Padmaja V

更新日期：2009-06-01 00:00:00

abstract：:To understand the physiology of non-differentiating bacteria exposed to nutrient deprivation and stress, various approaches have been employed in combination with detailed analysis of protein synthesis pattern. In this study, separation of proteins from clarified cell extracts of Pseudomonas aeruginosa PAO1 grown unde...

journal_title：Journal of basic microbiology

authors： Madhusudhan KT,McLaughlin R,Komori N,Matsumoto H

更新日期：2003-01-01 00:00:00

abstract：:Intracellular proteolytic activity was detected in the haloalkaliphilic archaeon Natronococcus occultus during the stationary phase of cultures grown in complete medium and during carbon and nitrogen starvation. Puromycin prevented the occurrence of proteolytic activity in starved cells, suggesting that de novo synthe...

journal_title：Journal of basic microbiology

authors： Herrera Seitz K,Studder C,Sanchez J,De Castro R

更新日期：1997-01-01 00:00:00

abstract：:The glutathione (GSH) S-conjugation of 1,2-epoxy-3-(4'-nitrophenoxy)propane was catalysed predominantly by microsomal glutathione S-transferase (mGST) in Penicillium chrysogenum. The specific mGST activity unlike the cytosolic GST (cGST) activity increased substantially when the penicillin side-chain precursor phenoxy...

journal_title：Journal of basic microbiology

authors： Emri T,Oláh B,Sámi L,Pócsi I

更新日期：2003-01-01 00:00:00