Mercury tolerance and biosorption in bacteria isolated from Ny-Ålesund, Svalbard, Arctic.

abstract：:A nourseothricin-producing Streptomyces noursei strain was continuously cultivated in a chemostat equipped with a stirrer for mechanical fractionation of the mycelium. Different cultivation conditions allowed the selection of six types of differentiation mutants after the culture had reached a population genetically s...

journal_title：Journal of basic microbiology

authors： Noack D

更新日期：1986-01-01 00:00:00

abstract：:Citrobacter freundii is a worldwide emerging nosocomial pathogen with escalating incidence of multidrug resistance. Citrobacter freundii exists in natural environment, especially in health care settings and is difficult to eradicate. Phage therapy is considered as an alternative way of controlling bacterial infections...

journal_title：Journal of basic microbiology

authors： Chaudhry WN,Haq IU,Andleeb S,Qadri I

更新日期：2014-06-01 00:00:00

abstract：:From seawater and the intestines of benthonic organisms collected from the Beagle Channel, Argentina, 230 marine bacteria were isolated. Cultivable bacteria were characterized and classified as psychrotolerant, whereas few isolates were psychrophiles. These isolates were capable of producing proteases at 4 and 15 °C u...

journal_title：Journal of basic microbiology

authors： Cristóbal HA,López MA,Kothe E,Abate CM

更新日期：2011-12-01 00:00:00

abstract：:Tricholoma matsutake (S. Ito et Imai) is an ectomycorrhizal basidiomycete associated with Pinaceae and Fagaceae trees in the Northern Hemisphere. It is still unknown whether the symbiotic relationship with this ectomycorrhiza could affect the host plant's endophytic microbial community. In this study, we used high thr...

journal_title：Journal of basic microbiology

authors： Li Q,Xiong C,Li X,Jin X,Huang W

更新日期：2018-03-01 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：:Lipases play an important role in the infection process of entomopathogenic fungi by hydrolyzing the ester bonds of lipoproteins, fats and waxes present on the insect surface and in the body. Here we report the purification and characterization of an extracellular lipase from Isaria fumosorosea. The enzyme was purifie...

journal_title：Journal of basic microbiology

authors： Ali S,Ren S,Huang Z

更新日期：2014-11-01 00:00:00

abstract：:Transposons are a group of mobile genetic elements that are defined as a DNA sequence. Transposons can jump into different places of the genome; for this reason, they are called jumping genes. However, some transposons are always kept at the insertion site in the genome. Most transposons are inactivated and as a resul...

journal_title：Journal of basic microbiology

authors： Babakhani S,Oloomi M

更新日期：2018-11-01 00:00:00

abstract：:Histone-like nucleoid-structuring protein (H-NS) and integration host factor (IHF) are major nucleoid-associated proteins, and DnaA, a replication initiator, may also be related with nucleoid compaction. It has been shown that protein-dependent DNA compaction is related with many aspects of bacterial physiology, inclu...

journal_title：Journal of basic microbiology

authors： Huang T,Yuan H,Fan L,Moregen M

更新日期：2020-02-01 00:00:00

abstract：:Insecticidal proteins expressed by genetically modified Bt maize may alter the enzymatic and microbial communities associated with rhizosphere soil. This study investigated the structure and enzymatic activity of rhizosphere soil microbial communities associated with field grown Bt and non-Bt maize. Rhizosphere soil s...

journal_title：Journal of basic microbiology

authors： van Wyk DAB,Adeleke R,Rhode OHJ,Bezuidenhout CC,Mienie C

更新日期：2017-09-01 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：:Acinetobacter spp. are ubiquitous obligate aerobic bacteria which occur mostly as commensals on the skin, and in soil, water and plants' rhizosphere. Though the species in this genus have been implicated as aetiologies in some nosocomial infections, their versatility covers biodegradation or dissolution leading to bio...

journal_title：Journal of basic microbiology

authors： Adegoke AA,Mvuyo T,Okoh AI

更新日期：2012-12-01 00:00:00

abstract：:The long residual action and toxicity of the chemical insecticides have brought about serious environmental problems such as the emergence and spread of insecticide resistance in many species of vectors, mammalian toxicity, and accumulation of pesticide residues in the food chain. All these problems have highlighted t...

journal_title：Journal of basic microbiology

authors： el-Bendary MA

更新日期：2006-01-01 00:00:00

abstract：:Spore (akinete) formation in the heterocystous and branched filamentous cyanobacterium Fischerella muscicola involves a significant increase in cell size and formation of several endospores in each of the cells. In present study, the physico-chemical factors (pH, light sources, nutrient deficiency, nitrogen sources, c...

journal_title：Journal of basic microbiology

authors： Mishra BN,Kaushik MS,Abraham G,Singh PK

更新日期：2018-08-01 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：:The effect of continuous-wave ultrasound on the viability of Escherichia coli HB101 was assessed using a 20 kHz ultrasonic processor. A standardised cell suspension of fixed concentration was used to investigate the influence of different physical and environmental conditions on ultrasound susceptibility. Cell viabili...

journal_title：Journal of basic microbiology

authors： Allison DG,D'Emanuele A,Eginton P,Williams AR

更新日期：1996-01-01 00:00:00

abstract：:The outer membrane protein (OMP) profiles of 23 blood isolates of Acinetobacter baumannii representing all the different antimicrobial susceptibility patterns observed during a 3-year period in a Spanish hospital were studied. OMPs extracted from envelopes of sonicated cells after solubilisation with 2% of N-lauryl-sa...

journal_title：Journal of basic microbiology

authors： Cuenca FF,Pascual A,Martínez Marínez L,Conejo MC,Perea EJ

更新日期：2003-01-01 00:00:00

abstract：:The objectives of the present study were to purify and assess the killer toxin effect produced by Aureobasidium pullulans under casual agents of green mold (Penicillum digitatum) and sour rot (Geotrichum citri-aurantii). Initially, different methods of protein precipitation were tested. The proteolytic activity and th...

journal_title：Journal of basic microbiology

authors： Moura VS,Pollettini FL,Ferraz LP,Mazzi MV,Kupper KC

更新日期：2020-12-29 00:00:00

abstract：:Two shuttle vectors named pRC52 (10.7 Kb) and pRK52 (12.2 Kb) carrying chloramphenicol (Cm) and chloramphenicol plus kanamycin (Km) resistance genes, respectively, were constructed by fusion of a cryptic plasmid pBL13869 (replicon pBL1, 5.8 Kb) from Brevibacterium lactofermentum ATCC13869 with pBR328 E. coli plasmid. ...

journal_title：Journal of basic microbiology

authors： Duran R

更新日期：1998-01-01 00:00:00

abstract：:A thermophilic, arsenate resistant bacterial strain was isolated from a geothermal field located in the area surrounding Monterotondo (Tuscany, Italy). Based on 16S rRNA gene analysis and recN comparisons the strain was identified as Geobacillus kaustophilus. Cells of the strain, designated A1, were rod-shaped, 2-3 μm...

journal_title：Journal of basic microbiology

authors： Cuebas M,Sannino D,Bini E

更新日期：2011-08-01 00:00:00

abstract：:A Sau3AI digest of total DNA from Saccharomycopsis fibuligera was cloned with the yeast-integrating plasmid YEp24 delta EcoRI and the capacity for autonomous replication (ARS) was assayed in yeast. From eighty clones, five mitoticaly unstable yeast transformants were picked up, recombinant plasmids from these clones w...

journal_title：Journal of basic microbiology

authors： Jurský F,Hostinová E

更新日期：1990-01-01 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：:Quorum sensing is a cell-cell signaling mechanism based on cell density and that involves the production of hormone-like molecules called autoinducers (AI). One of the most studied AIs has been termed AI-2, and its biosynthesis requires the enzyme encoded by luxS. We have previously described for the first time that B...

journal_title：Journal of basic microbiology

authors： Peixoto RJ,Miranda KR,Ferreira EO,de Paula GR,Rocha ER,Lobo LA,Domingues RM

更新日期：2014-07-01 00:00:00

abstract：:Lyme disease, caused by Borrelia burgdorferi, is a focally endemic tick-transmitted zoonotic infection. In this study, the major factors underlying synonymous codon-related amino acid usage in the B. burgdorferi genome and bias in synonymous codon usage of the translation initiation region of coding sequences were ana...

journal_title：Journal of basic microbiology

authors： Ma XX,Ma P,Chang QY,Liu ZB,Zhang D,Zhou XK,Ma ZR,Cao X

更新日期：2018-05-01 00:00:00

abstract：:Many strains of Amycolatopsis, such as Amycolatopsis orientalis, A. balhimycina, and A. mediterranei, are important antibiotic producers. Three indigenous plasmids, pMEA100, pMEA300, and pA387, found in this genus have been sequenced. However, only some vectors based on pA387 have been widely applied in Amycolatopsis ...

journal_title：Journal of basic microbiology

authors： Xu L,Li Y,Zhu L,Zhao W,Chen D,Huang W,Yang S

更新日期：2015-02-01 00:00:00

abstract：:The nourseothricin-producing S. noursei strain JA 3890b possessed a high degree of resistance to its own antibiotic when grown in submerged cultures started from mycelium samples as inocula. In contrast, both the outgrowth of spores and the development of surface colonies from mycelium samples were severely inhibited ...

journal_title：Journal of basic microbiology

authors： Röder B,Plonka G,Bormann EJ,Gräfe U

更新日期：1985-01-01 00:00:00

abstract：:Open reading frame17 (Bm17) of Bombyx mori nucleopolyhedrovirus is a highly conserved gene in lepidopteran nucleopolyhedroviruses, suggesting that it performs an important role in the virus life cycle whose function is unknown. In this report, we describe the characterization of Bm17. Reversed transcriptive-PCR (RT-PC...

journal_title：Journal of basic microbiology

authors： Shen H,Wang R,Han Q,Zhang W,Nin B,Zhou Y,Shao S,Yao Q,Chen K,Liu X

更新日期：2013-10-01 00:00:00

abstract：:Proteus spp. bacteria frequently serve as opportunistic pathogens that can infect many animals and show positive survival and existence in various natural environments. The evolutionary pattern of Proteus spp. is an unknown topic, which benefits understanding the different evolutionary dynamics for excellent bacterial...

journal_title：Journal of basic microbiology

authors： Jin L,Gao H,Cao X,Han S,Xu L,Ma Z,Shang Y,Ma XX

更新日期：2020-05-01 00:00:00

abstract：:An outbreak of serious mortality among the cultured cobia Rachycentron canadum (weighing 3 kg) characterized by the presence of whitish granulomatous deposits on the kidney, liver and spleen occurred in July of 2000 in Taiwan. A non-motile strain CP1 was isolated from kidney and/or liver on tryptic soy agar and/or bra...

journal_title：Journal of basic microbiology

authors： Liu PC,Lin JY,Lee KK

更新日期：2003-01-01 00:00:00

abstract：:In the course of a screening for extracellular inhibitors of 8 different proteinases 140 actinomycete and 150 mould strains were examined. 130 fungal and 50 actinomycete strains were similarly tested for the production of extracellular inhibitors of dihydrofolate reductase (DHFR) and alkaline phosphatase (APh). Most o...

journal_title：Journal of basic microbiology

authors： Angelov T,Angelova B,Kourteva Y,Stephanova L,Ayramova T,Peretz V,Konova O

更新日期：1989-01-01 00:00:00

abstract：:Although Ruminiclostridium josui (formerly Clostridium josui), a strictly anaerobic mesophilic cellulolytic bacterium, is a promising candidate for biomass utilization via consolidated bioprocessing, its host-vector system has not yet been established. The existence of a restriction and modification system is a signif...

journal_title：Journal of basic microbiology

authors： Wang Y,Okugawa K,Kunitake E,Sakka M,Kimura T,Sakka K

更新日期：2018-05-01 00:00:00