The heat shock response in the cyanobacterium Synechocystis sp. Strain PCC 6803 and regulation of gene expression by HrcA and SigB.

abstract：:The effects of the Ca(2+)/H(+) exchanger A23187 and the K(+)/H(+) exchanger nigericin, the electrogenic membrane-potential depleters valinomycin and CCCP, and the calcium channel blockers ruthenium red, nifedipine, and nitrendipine on the apical growth of Phycomyces blakesleeanus were analyzed. While all of the compou...

journal_title：Archives of microbiology

authors： Ruiz-Herrera J,Martínez-Cadena G,Loarca F,Salcedo-Hernández R

更新日期：2003-12-01 00:00:00

abstract：:Methanolic extract of Artemisia pallens (MEAP) (Asteraceae) was explored as greenbiocorrosion inhibitor for mild steel 1010 in 1.5% sodium chloride environment. Bacillus megaterium SKR7 induces the development of biofilm on the metal surface and forms the pitting corrosion. MEAP was showed (25 ppm) optimum inhibition ...

journal_title：Archives of microbiology

authors： Kokilaramani S,AlSalhi MS,Devanesan S,Narenkumar J,Rajasekar A,Govarthanan M

更新日期：2020-10-01 00:00:00

abstract：:Citrobacter rodentium (Cr) is a mouse pathogen that mimics many aspects of enteropathogenic Escherichia coli infections including producing attaching and effacing (A/E) lesions. Host-adapted (HA) Cr cells that are shed at the peak of infection have been reported to be hyper-infective. The exact mechanism underlying th...

journal_title：Archives of microbiology

authors： Smith AD,Yan X,Chen C,Dawson HD,Bhagwat AA

更新日期：2016-05-01 00:00:00

abstract：:Cryptococcus adeliensis was initially described as a psycrophilic species containing a single strain CBS 8351(T) isolated from decayed algae in Terre Adelie (Antartida). Later, a second strain of this species was isolated from an immunosuppressed patient affected by leukaemia in Germany and recently several strains fr...

journal_title：Archives of microbiology

authors： Velázquez E,del Villar M,Grondona I,Monte E,González-Villa T

更新日期：2006-09-01 00:00:00

abstract：:Microbes from diverse types of habitats are continuously exposed to external challenges, which may include acidic, alkaline, and toxic metabolites stress as well as nutrient deficiencies. To promote their own survival, bacteria have to rapidly adapt to external perturbations by inducing particular stress responses tha...

journal_title：Archives of microbiology

authors： Zhang X,Li Z,Pang S,Jiang B,Yang Y,Duan Q,Zhu G

更新日期：2020-09-25 00:00:00

abstract：:In autotrophic methanogens, pyruvate oxidoreductase (POR) plays a key role in the assimilation of CO(2) and the biosynthesis of organic carbon. This enzyme has been purified to homogeneity, and the genes from Methanococcus maripaludis were sequenced. The purified POR contained five polypeptides with molecular masses o...

journal_title：Archives of microbiology

authors： Lin WC,Yang YL,Whitman WB

更新日期：2003-06-01 00:00:00

abstract：:The upstream region of the isocitrate lyase gene (UPR-ICL, 1530bp) of an n-alkane-utilizable yeast, Candida tropicalis, induced gene expression in another yeast, Saccharomyces cerevisiae, when the yeasts were grown on acetate. Surprisingly, UPR-ICL displayed the same regulatory function in the bacterium Escherichia co...

journal_title：Archives of microbiology

authors： Atomi H,Umemura K,Higashijima T,Kanai T,Yotsumoto Y,Teranishi Y,Ueda M,Tanaka A

更新日期：1995-05-01 00:00:00

abstract：:AMP-degrading pathways in Azotobacter vinelandii cells were investigated. AMP nucleosidase (EC 3.2.2.4) was rapidly synthesized and reached a maximum at 24 h, while the activity of 5'-nucleotidase (EC 3.1.3.5) specific for AMP, which was negligible during the logarithmic phase of the growth, first appeared in 24 h-cul...

journal_title：Archives of microbiology

authors： Yoshino M,Tsukada T,Murakami K,Tsushima K

更新日期：1980-12-01 00:00:00

abstract：:Previous work has shown that the mechanosensitive (MS) channel of large conductance (MscL) is essential for preventing lysis of Bacillus subtilis log phase cells upon a rapid, severe osmotic downshock. Growing cells of B. subtilis strains lacking MscL and one or more putative MS channel proteins of small conductance (...

journal_title：Archives of microbiology

authors： Wahome PG,Setlow P

更新日期：2008-01-01 00:00:00

abstract：:Photosynthetic, nitrogen-fixing Anabaena strains play an important role in the carbon and nitrogen cycles in tropical paddy fields although they are salt sensitive. Improvement in salt tolerance of Anabaena cells by expressing glycine betaine-synthesizing genes is an interesting subject. Due to the absence of choline ...

journal_title：Archives of microbiology

authors： Waditee-Sirisattha R,Singh M,Kageyama H,Sittipol D,Rai AK,Takabe T

更新日期：2012-11-01 00:00:00

abstract：:The present study investigated the endophytic bacterial communities in the seeds of mature, natural common reed (Phragmites australis) and narrowleaf cattail (Typha angustifolia L.). Additionally, seed endophytic bacterial communities were compared with rhizospheric and root endophytic bacterial communities using Illu...

journal_title：Archives of microbiology

authors： Gao T,Shi XY

更新日期：2018-08-01 00:00:00

abstract：:The morphogenesis of plasmodium in Didymium megalosporum was observed for the first time by hanging drop culture and 3 % oat-agar culture under controlled conditions. The development of plasmodium was characteristic formation process of phaneroplasmodium. The mature plasmodium was white yellow or yellow green in color...

journal_title：Archives of microbiology

authors： Song X,Zhong H,Wang Q,Li Y

更新日期：2014-05-01 00:00:00

abstract：:A triazine dye, Cibacron blue 3G-A (CB), is an inhibitor of cell separation of staphylococcal spp. therefore, we examined the effect of CB on growth of gram-positive bacteria other than Staphylococcus. CB added to the medium of growing cultures of strains of genus Micrococcus, Streptococcus, Lactobacillus and Bacillus...

journal_title：Archives of microbiology

authors： Sugai M,Akiyama T,Komatsuzawa H,Miyake Y,Suginaka H

更新日期：1991-01-01 00:00:00

abstract：:Upland rice is an ecotype crop resulting from the long-term domestication and evolution of rice in dry land without a water layer. Generally, the stems and leaves are thick and luxuriant, while the leaves also typically broad and light. The root system is developed with abundant root hair, and the osmotic pressure of ...

journal_title：Archives of microbiology

authors： Wang Z,Zhu Y,Jing R,Wu X,Li N,Liu H,Zhang X,Wang W,Liu Y

更新日期：2020-09-29 00:00:00

abstract：:The fast-growing Rhizobium sp. strain NGR234, isolated from Papua New Guinea, and 13 strains of Sinorhizobium fredii, isolated from China and Vietnam, were fingerprinted by means of RAPD, REP, ERIC and ARDRA. ERIC, REP and RAPD markers revealed a considerable genetic diversity among fast-growing rhizobia. Chinese isol...

journal_title：Archives of microbiology

authors： Saldaña G,Martinez-Alcántara V,Vinardell JM,Bellogín R,Ruíz-Sainz JE,Balatti PA

更新日期：2003-07-01 00:00:00

abstract：:The antimicrobial properties of copper ions have been known for a long time. However, the exact mechanism of action of the transition metal on microorganisms has long been unclear. X-ray absorption near-edge structure (XANES) spectroscopy at the Cu K edge allows the determination of copper speciation in Staphylococcus...

journal_title：Archives of microbiology

authors： Zanzen U,Bovenkamp-Langlois L,Klysubun W,Hormes J,Prange A

更新日期：2018-04-01 00:00:00

abstract：:Twelve Cry1 and two Cry9 delta-endotoxins from Bacillus thuringiensis were tested for their activity against black cutworm ( Agrotis ipsilon). A. ipsilon was not susceptible to many toxins, but three toxins had significant activity. Cry9Ca was the most toxic, followed by Cry1Aa and Cry1Fb. Hybrids between these three ...

journal_title：Archives of microbiology

authors： de Maagd RA,Weemen-Hendriks M,Molthoff JW,Naimov S

更新日期：2003-05-01 00:00:00

abstract：:Purple sulfur bacterium Thiocapsa roseopersicina strain BBS requiring vitamin B12 may grow in the dark in media containing no other organic compounds. Under such conditions the cells oxidize sulfide and thiosulfate with the use of O2 and assimilate carbon dioxide. After 10--30s assimilation of NaH14CO3 about 60% of ra...

journal_title：Archives of microbiology

authors： Kondratieva EN,Zhukov VG,Ivanovsky RN,Petushkova UP,Monosov EZ

更新日期：1976-07-01 00:00:00

abstract：:Bacteroides succinogenes produces acetate and succinate as major products of carbohydrate fermentation. An investigation of the enzymes involved indicated that pyruvate is oxidized by a flavin-dependent pyruvate cleavage enzyme to acetyl-CoA and CO2. Active CO2 exchange is associated with the pyruvate oxidation system...

journal_title：Archives of microbiology

authors： Miller TL

更新日期：1978-05-30 00:00:00

abstract：:Enoate reductase present in Clostridium kluyveri and Clostridium spec. La 1 could be detected in three strains of C. tyrobutyricum and ten clostridia belonging to the groups of proteolytic and saccharolytic or proteolytic species, respectively. In C. pasteurianum, C. butyricum and C. propionicum enoate reductase could...

journal_title：Archives of microbiology

authors： Giesel H,Simon H

更新日期：1983-08-01 00:00:00

abstract：:The proteins in the culture supernatant (exoproteins) from Streptococcus pyogenes serotype M1 were separated by two-dimensional gel electrophoresis, and their N-terminal amino acid sequences were determined. The amino acid sequences were compared to sequences in the S. pyogenes genome database. The coding sequence sho...

journal_title：Archives of microbiology

authors： Hasegawa T,Torii K,Hashikawa S,Iinuma Y,Ohta M

更新日期：2002-06-01 00:00:00

abstract：:The induction of the enzyme activities involved in butane metabolism in Pseudomonas butanovora was characterized. P. butanovora was grown on butane or its metabolites, both singly and in mixtures with other growth substrates. Cells grown in each of the butane metabolites readily consumed the growth substrate and downs...

journal_title：Archives of microbiology

authors： Sayavedra-Soto LA,Byrd CM,Arp DJ

更新日期：2001-07-01 00:00:00

abstract：:Oxalobacter formigenes (O. formigenes) is a nonpathogenic, Gram-negative, obligate anaerobic bacterium that commonly inhabits the human gut and degrades oxalate as its major energy and carbon source. Results from a case-controlled study suggested that lack of O. formigenes colonization is a risk factor for recurrent c...

journal_title：Archives of microbiology

authors： Ellis ML,Dowell AE,Li X,Knight J

更新日期：2016-12-01 00:00:00

abstract：:Lipase is an important commercial enzyme with unique and versatile biotechnological applications. This study was conducted to biosynthesize and characterizes alkaliphilic lipase by Exiguobacterium sp. strain AMBL-20T isolated from the glacial water samples of the northeastern (Gilgit-Baltistan) region of Pakistan. The...

journal_title：Archives of microbiology

authors： Yasin MT,Ali Y,Ahmad K,Ghani A,Amanat K,Basheir MM,Faheem M,Hussain S,Ahmad B,Hussain A,Bokhari SAI

更新日期：2020-12-15 00:00:00

abstract：:Respiratory NADH oxidation in the rumen bacterium Prevotella bryantii is catalyzed by the Na+-translocating NADH:quinone oxidoreductase (NQR). A method for cell disruption and membrane isolation of P. bryantii under anoxic conditions using the EmulisFlex-C3 homogenizer is described. We compared NQR activity and protei...

journal_title：Archives of microbiology

authors： Schleicher L,Fritz G,Seifert J,Steuber J

更新日期：2020-07-01 00:00:00

abstract：:A temperature-sensitive mutant of Salmonella typhimurium was isolated earlier after transposon mutagenesis with Tn10d Tet. The mutant D220 grows well at 28 degreesC but has a lower growth rate and forms filaments at 37 degreesC. Transposon-flanking fragments of mutant D220 DNA were cloned and sequenced. The transposon...

journal_title：Archives of microbiology

authors： Brawer R,Batista FD,Burrone OR,Sordelli DO,Cerquetti MC

更新日期：1998-06-01 00:00:00

abstract：:The most important tools in killing and overcoming on the microbes and pathogens that cause diseases in medicine and/or in agriculture are the antibiotics. The discovery and synthesis of the microbial natural products or antibiotics has greatly developed genetically and biotechnologically quickly in the last decades. ...

journal_title：Archives of microbiology

authors： Arafat HH,Abu-Tahon MA,Isaac GS

更新日期：2020-10-19 00:00:00

abstract：:Effects of different flavonoids on various bacterial strains have been extensively reported; however, the mechanism(s) of their action on bacterial cells remain largely elusive. In this study, the antibacterial mechanism of soybean isoflavone (SI) on Staphylococcus aureus is systematically investigated using 4'6-diami...

journal_title：Archives of microbiology

authors： Wang Q,Wang H,Xie M

更新日期：2010-11-01 00:00:00

abstract：:Penicillium marneffei is a dimorphic fungus that intracellularly infects the reticuloendothelial system of humans and bamboo rats. Endemic in Southeast Asia, it infects 10% of AIDS patients in this region. The absence of a sexual stage and the highly infectious nature of the mould-phase conidia have impaired studies o...

journal_title：Archives of microbiology

authors： Yuen KY,Pascal G,Wong SS,Glaser P,Woo PC,Kunst F,Cai JJ,Cheung EY,Médigue C,Danchin A

更新日期：2003-05-01 00:00:00

abstract：:The characteristics of an in vitro polyuridylic acid dependent amino acid incorporating system prepared from germinating macroconidia of Microsporum canis are described. The incorporation of 14C-phenylalanine into polyphenylalanine is dependent on S-30 extract, adenosine triphosphate, magnesium ions and polyuridylic a...

journal_title：Archives of microbiology

authors： Jayaram BM,Rao GR

更新日期：1979-01-16 00:00:00