resistance biofilms and quorum sensing in acinetobacter species

... (Brencic and Winans, 2005) In the nopaline-type strain C58, the opine that controls traR is agrocinopines and its receptor is AccR In absence of agrocinopines, AccR binds to its target DNA region and ... Introduction 1.1 Quorum sensing in bacteria 1.1.1 Concept of quorum sensing Traditionally, bacterial cells are considered as self-contained, self-sufficient and independent individuals, lacking ... significance of quorum quenching 11 1.3 Quorum sensing and quorum quenching in A tumefaciens 14 1.3.1 The bacteriology of A tumefaciens 14 1.3.2 Quorum sensing of A tumefaciens...

Ngày tải lên: 14/09/2015, 12:07

... water content in pedunculate oak and in pine Plant weight loss was independent of species and lifting date with a mean value of 10% and 18% after and weeks, respectively In oaks, REL increased after ... frost hardiness Maximum resistance generally occurs from early to mid-winter for coniferous [21] and broadleaved [26] species Changes during winter in the resistance to desiccation of seedlings have ... desiccation, for all lifting dates (figure 2) In pine, REL did not increase with the time of desiccation In the three species, bud and root water content and WL remained unchanged when seedlings were stored...

Ngày tải lên: 08/08/2014, 14:21

... area in India The state has had flooding in 52 years out of the last 57 years since independence of India in 1947 (Irrigation and Waterways Department, Govt of West Bengal, 2003) Floodplain lands ... flood hazard mapping using remote sensing and GIS In particular this chapter draws attention on some of the issues associated with application of remote sensing in combating floods in extremely flat ... hazard in the deltaic part of the Ganges River in India This research is focussed on formulating some effective decision making tools for the floodplain managers and local administrators in the Indian...

Ngày tải lên: 30/09/2015, 13:41

... question in [2] remained inconclusive, because of the affinity of one of the strains involved in the study towards the reactor material Since the interaction of population and resource dynamics in ... producing and the nonchelating species The initial biomass volume fraction in these sites are randomly chosen between 0.2 and 0.4 Iron replenishment is in this simulation described by Robin boundary ... that was originally introduced and studied for single -species biofilms, both for mathematical and biological interest, in [24-29] and extended to mixed-culture systems in [30-32] Our focus here is...

Ngày tải lên: 13/08/2014, 16:20

... from both brain and intestine in L maderae [14,15] The finding that N-terminally extended TKRPs are predominantly expressed only in the gut and not in the brain are in line with findings of enrichment ... receptors and invertebrate tachykinins: a review Zool Sci 20, 533–549 Pennefather, JN, Lecci A, Candenas ML, Patak E, Pinto FM & Maggi CA (2004) Tachykinins and tachykinin receptors: a growing family ... tachykinin and insect kinin ⁄ Tyr-W-MIF neuropeptide family pairs Ann NY Acad Sci 897, 388–400 Nassel DR (1999) Tachykinin-related peptides in inver¨ tebrates: a review Peptides 20, 141–158 Vanden...

Ngày tải lên: 20/02/2014, 01:20

... needs, and interests Since CLT was introduced, the teacher’s roles have been taken into consideration Breen and Candlin (cited in Richards and Rodgers (1986) [13]) claim: “The teacher has two main ... popular thing for old teachers who have still applied the Grammar Translation method and those who begins teaching and are eager to apply new things into their teaching may face resistance In other ... (2008) 167-174 linguistic imperialism in the way that “[t]he dominance of English is asserted and maintained by the establishment and continuous reconstitution of structural and cultural inequalities...

Ngày tải lên: 05/03/2014, 12:20

... Reversal of agerelated increase in brain protein oxidation, decrease in enzyme activity, and loss in temporal and spatial memory by chronic administration of the spin trapping compound N-tert-butyl-aphenylnitrone ... were incubated in NaCl/Pi for 90 min, the intracellular fluorescence signal dramatically increased in all cases (Fig 9, Table 1) The increases, in comparison to the signals observed in standard ... quantities of protein utilizing the principle of protein-dye binding Anal Biochem 72, 248–254 Prohaska, J.R & Ganther, H.E (1976) Selenium and glutathione peroxidase in developing rat brain J Neurochem...

Ngày tải lên: 16/03/2014, 18:20

... sensing has been using in several types of works in both government and private agencies As we know, GIS and remote sensing have an important role in linkage and analysis of such data, in particular ... subsistence farming in uneconomic-sized farms to commercial and market-oriented farms These transformed sometimes happens in improperly ways and induced to change in land use and land covers by ... Contents Introduction Statement of problems Objectives Materials and Methods Study area Results and Discussions Conclusions Introduction • In the last decade, in Laos GIS and Remote sensing (RS)...

Ngày tải lên: 17/03/2014, 11:20

... correlation, and we are thus able to explain ix changes in land cover Elevation in fact is linked with the land cover changes but in a non-linear way and is thus not able to explain land cover changes ... substitution and thus to an overall price increase The price increase displayed in Figure is mainly due to an increased oil price and an increased demand for rubber in Asia, but especially in China Figure ... scales and by conducting forest and land use mapping and field verification 21 Rubber in Laos The combination of these indicators results in the friction surface, one of the two inputs in the...

Ngày tải lên: 17/03/2014, 11:20

... between polymer chains [21] and polymer chain length As chain length increases the intermolecular forces increase due to more dipole interaction or intermolecular P.P Sengupta et al / Thin Solid Films ... and closer packing of molecular chains than in PANI_PTSA This higher chain ordering and good processability of PANI_HCl_PTSA leads to higher conductivity and better ammonia gas sensing performance ... polymerization For synthesis of PANI_PTSA, aniline (3.72 g) and PTSA (15.18 g) were dissolved in 170 ml THF in the mole ratio of 1:2 in a round bottom flask and maintained at −5 °C To this solution ammonium...

Ngày tải lên: 20/03/2014, 13:04

... Betts DM & Grozdanic S (2006) Neuroglobin and cytoglobin: oxygen-binding proteins in retinal neurons Invest Ophthalmol Vis Sci 47, 1016–1023 Stein I, Itin A, Einat P, Skaliter R, Grossman Z & Keshet ... concentration of Ngb in the mouse retina is > 100 lm, and is thus within the range of Mb in the muscle, indicating the important role of Ngb in retinal function [18] However, in contrast to Mb, the O2 affinity ... detection and protein level was studied in second order As can be seen in Fig 3, in eyes, during hypoxic incubation, H2O2 production remained at levels comparable with normoxia This finding was...

Ngày tải lên: 23/03/2014, 09:21

... parent strain in 1% NaCl; m, mutant strain M1 cultured in 3% NaCl; , M2 in 3% NaCl; r, M3 in 3% NaCl Growth (h) and bioluminescence (s) curves of the parent strain in 3% and 1% NaCl are shown in panel ... LuxR- and acyl-homoserine-lactone-controlled non-lux genes define a quorum- sensing regulon in Vibrio fischeri J Bacteriol 182, 2811–2822 30 Kasai, S (1999) Occurrence of P-flavin binding protein in ... turbidity of  in the case of the parent strain cultured in 3% NaCl medium and 10–13 in the other cases For the parent strain grown in 3% NaCl, cells in mL culture, while in other cases cells in 4.5...

Ngày tải lên: 31/03/2014, 08:20

... adducts, which cause inter- and intrastrand cross-linking These DNA cross-links are recognized and removed by the nucleotide excision repair pathway which arms to guard the integrity of the genome ... between DNA-dependent protein kinase and EGFR and then delayed the DNA repair [37-39] Oxaliplatin induced double-strand breaks [40] When cetuximab was combined with oxaliplatin, cetuximab reduced ... carried out and coordinated immunohistochemical examinations of tumor specimens and data analysis, and drafted the manuscript CYC and HTT participated in the interpretation of data and conducted...

Ngày tải lên: 18/06/2014, 19:20

... adducts, which cause inter- and intrastrand cross-linking These DNA cross-links are recognized and removed by the nucleotide excision repair pathway which arms to guard the integrity of the genome ... between DNA-dependent protein kinase and EGFR and then delayed the DNA repair [37-39] Oxaliplatin induced double-strand breaks [40] When cetuximab was combined with oxaliplatin, cetuximab reduced ... carried out and coordinated immunohistochemical examinations of tumor specimens and data analysis, and drafted the manuscript CYC and HTT participated in the interpretation of data and conducted...

Ngày tải lên: 20/06/2014, 03:20

... growth inhibition of OVCAR-3 and SKOV3 cell lines caused by cisplatin in a CCR9-dependent fashion CCL25-induced cisplatin resistance of OvCa cell lines Treatment of OVCAR-3 and SKOV-3 cell lines ... chemokine receptor/ G-proteins and independent of FAK activation These results support our hypothesis that CCL25-CCR9 interaction promotes OvCa survival and resistance to cisplatin Competing interests ... the reaction After washing times in PBS, cells were blocked for 20 minutes and stained with avidin-fluorescein isothiocyanate (FITC) solution for 30 minutes After washing with PBS times, fluorescence...

Ngày tải lên: 20/06/2014, 07:20

... further investigated by the TEM image as shown in Fig 1b, and the intensive contrast between center and edge of the spheres indicates the formation of hollow structure in the final products, and the ... curves of the thin film sensor exposed to methanal (HCHO) gas at different operating temperatures (200, 300 and 400°C) In the gas -sensing test, HCHO gas was diluted in water vapor, and the flow velocity ... by centrifuging and sequentially washing with water and ethanol for several times and then dried in a vacuum oven at 60°C for h Characterization The phase of the product was determined by X-ray...

Ngày tải lên: 21/06/2014, 17:20

... rate and better visual quality in all cases Keywords: compressed sensing (CS); orthogonal matching pursuit (OMP); distributed compressed sensing; model-based method Introduction Compressed sensing ... containing the indexes of the bases in LL subbands, Γ = {γ1, γ2, , γ|Γ|} • The number of non-zero entries in the sparse signal, k Output: • The set containing k indexes of the non-zero element in ... related atoms in the wavelet tree In this article, sparse signal is in wavelet domain, where the signal in LL subband must be included for successful reconstruction All components in LL subband are...

Ngày tải lên: 21/06/2014, 17:20

... rate and better visual quality in all cases Keywords: compressed sensing (CS); orthogonal matching pursuit (OMP); distributed compressed sensing; model-based method Introduction Compressed sensing ... containing the indexes of the bases in LL subbands, Γ = {γ1, γ2, , γ|Γ|} • The number of non-zero entries in the sparse signal, k Output: • The set containing k indexes of the non-zero element in ... related atoms in the wavelet tree In this article, sparse signal is in wavelet domain, where the signal in LL subband must be included for successful reconstruction All components in LL subband are...

Ngày tải lên: 21/06/2014, 19:20

... noitarutaned laitini fo detsisnoc snoitidnoc noitacifilpma ehT )aeroK ,oiBrepuS( esaremylop AND qaTrepuS fo U dna )aeroK ,oiBrepuS( I-reffub RCP ,sPTNd Mµ 002 ,)R-iNTB dna F-iNTB( remirp hcae ... eussit ysaeND gnisu detcartxe saw AND cimoneg ehT srossics elirets gnisu dezinegomoh yllacinahcem erew sneelps lesaew dna erovitcesni ,tnedor dna ,etim ,kcit hcae ,AND elbaifilpma RCP fo noitcartxe ... ,avalf H dna sinrocignol H ,sisnenoppin I ni noitcefni allenotraB fo ecnedive tsrif eht si siht egdelwonk ruo oT aeroK ni tnelaverp seiceps kcit rojam a sa gnigreme won si sisnenoppin I ,sinrocignol...

Ngày tải lên: 07/08/2014, 18:21

... FloresLópez C., Conkle M.T., and Bermejo-Velázquez B., Genetic diversity and the mating system of a rare Mexican pinon, Pinus pinceana, and a comparison with Pinus maximartinezii (Pinaceae), Am J Bot 88 ... individuals grew into saplings and finally only individuals developed into mature trees These results may be, at least partially, connected with the inbreeding depression as discussed above Accordingly, ... According to Lee [22], most of B berchemiaefolia trees in a natural stand produced empty seeds Inbreeding depression reduces fitness and vigor in terms of survival, growth, and fertility by increased...

Ngày tải lên: 08/08/2014, 01:21