This is also reflected in gill associated microbial communities o

This is also reflected in gill associated microbial communities of other oyster species that differ more strongly from the surrounding sea water than PFT�� mouse for example gut communities [18]. The numerical abundance of α-proteobacteria in open water could however partly been attributed to PCR bias by preferential amplification of sequences from this taxonomic group [61]. The dominant genus detected, was Sphingomonas which contains opportunistic species [62] and can also commonly be found in gill tissue of European plaice Pleuronectes platessa from the same region [38]. It was also abundant on freshly

prepared cod in Iceland [63], indicating that this genus can reach high numbers on living hosts but is quickly outcompeted after the host’s death. Dominance of a few closely related OTUs has been reported for other species of oysters. Zurel et al. [18] for example found that between 59 – 79% of OTUs in Chama spp. oysters in the Red Sea and the Mediterranean

belonged to OTUs from the class Oceanospirialles closely related to the genera Spongiobacter or Endozoicomonas (Hahellaceae), which is known for symbiotic associations. While we also observed 47 OTUs from the Oceanospirialles, these were relatively rare (99 reads in total) and only a single OTU was affiliated to the family Hahellaceae. Similarly, we only found very few OTUs classified as Arcobacter spp. (13 OTUs, 16 reads), which represent a major and common component of Chilean oysters Tiostrea chilensis[60]. find more This suggests that oyster microbiomes can have similar structures in terms of abundances but dominant taxa differ strongly between species, habitats and sampled tissues. Under certain environmental conditions gut communities of other Crassostrea species were found to be dominated by Mycoplasma[17], which also became dominant in some oysters after disturbance in our experiments (Figure 5A).

The natural dominance of Mycoplasma in oysters from much warmer habitats [17] may thus suggest that Mycoplasma represents a temperature sensitive part of oyster microbiota and may proliferate preferentially at higher temperatures. Host stress and abiotic disturbance both could have contributed to the major shift in microbial Glutamate dehydrogenase community structure (Figure 3). The direction and magnitude of the shift was dependent on the initial community composition, and although no significant differences were observed between oyster beds in ambient conditions there was some indication for oyster bed specific shifts (Figures 3 and 4). The strongest shifts occurred in the beds with initially high microbial diversity (OW and PK), manifested in a sharp decrease in microbial diversity. In the oyster bed with low diversity on the other hand we observed no significant change in bacterial diversity (Figure 2).

YL carried out the experiments and took part in writing HH and L

YL carried out the experiments and took part in writing. HH and LB participated in the experiments. SZ participated in the discussion and correction of the paper. All authors read and approved the final manuscript.”
“Background From the success of graphene growth on Ni or Cu by chemical vapor deposition

(CVD) [1, 2], some variations were introduced to CVD to avoid the use of metallic catalysts [3–8]. However, the growth of carbon by chemical methods involves a complex mechanism due www.selleckchem.com/products/rxdx-106-cep-40783.html to the presence of carrier gases. For example, hydrogen acts as an etching reagent as well as a co-catalyst [9]. In contrast, physical deposition methods such as molecular beam epitaxy (MBE) are useful to understand the growth mechanism of carbon because of the relatively simple kinetics [10–13]. Experimentally, it has been shown that nanocrystalline graphite (NCG) could be formed on crystalline and amorphous oxides by direct sublimation of carbon [14–16]. Although first-principles calculations partly explained that the strong bonding between carbon and oxygen limited the cluster size check details [14, 16], the growth

mechanism is yet to be understood. So far, carbon MBE has been tried on substrates containing elements from group IV [10–13], group V [17], and group VI [12, 14–16]. Here, we present the results of carbon MBE on fluorides (where the anion belongs to group VII) and compare them with similar studies on oxides to understand the effect of the anion on the quality of NCG. Since the bonding between carbon and fluorine is much stronger than the bonding between carbon and oxygen, we expected the carbon film to be more amorphous. On the contrary, NCG of good crystallinity was formed on MgF2, and the cluster size deduced from Raman spectra was even larger than those of NCGs on MgO and sapphire [18, 19]. These results show that the quality of NCG does not simply depend on the bond strength of carbon and substrate anion, and imply that the carbon growth mechanism could be more complex than previously thought. Methods Materials and film

fabrication Carbon MBE was ALOX15 done using a home-made ultra-high-vacuum MBE system and a carbon sublimation cell with a pyrolytic graphite filament. The pressure of the chamber was kept below 1.0×10−7 Torr during the growth by flowing liquid nitrogen in the shroud. Details about the growth procedure can be found elsewhere [14]. Fluoride substrates (MgF2(100), CaF2(100), and BaF2(111)) were purchased from a commercial vendor (CrysTec GmbH, Berlin, Germany). The growth temperature was fixed at 900°C because of the lower melting points of fluoride substrates compared to oxides. Characterization Raman scattering measurements and spatial mapping were performed using a micro-Raman spectroscope (inVia system, Renishaw, Wotton-under-Edge, UK) operated by a 514.5-nm laser. A minimal laser power of 2 mW was used during the measurements to avoid any damage or heating of the carbon films.

Western blotting

and p53 conformational immunoprecipitati

Western blotting

and p53 conformational immunoprecipitation Total cell extracts were prepared by incubation in lysis buffer (50 mM Tris–HCl, pH 7.5, 150 mM NaCl, 5 mM EDTA, 150 mM KCl, 1 mM dithiothreitol, 1% Nonidet P-40) and a mix of protease inhibitors and resolved by 9-12% SDS-polyacrilamide gel Vemurafenib mw electrophoresis. Proteins were transferred to a polyvinylidene difluoride membrane (PVDF, Millipore) and membranes were blocked with 5% nonfat dry milk in PBS and incubated with the primary antibodies followed by an anti-immunoglobulin–G-horseradish peroxidase antibody (BioRad). Immunoblotting was performed with the following antibodies: monoclonal anti-poly(ADP-ribose) polymerase (PARP, BD Pharmingen, CA, USA), monoclonal anti-p53 (Ab-DO1), polyclonal anti-p53 (FL393) and polyclonal anti-Bax (all from Santa Cruz Biotechnology), purified mouse

anti-phospho-Histone H2AX (Ser139) (Millipore, clone JBW301; kindly provided by S. Soddu, U0126 molecular weight Regina Elena National cancer Institute, Rome, Italy) and monoclonal anti-β-actin (Calbiochem). Enzymatic signals were visualized by chemoluminescence (ECL kit, Amersham Corporation). P53 protein conformation was evaluated essentially as described [9]. Briefly, cells were lysed in immunoprecipitation buffer (10 mM Tris, pH 7.6; 140 mM NaCl; 0.5% NP40, and protease inhibitors) for 20 min on ice, and cleared by centrifugation. Pre-cleared supernatants (200 μg) were immunoprecipitated overnight at 4°C with the conformation-specific monoclonal antibodies Pab1620 (wild-type specific) and PAb240 (mutant specific) (Calbiochem) [18, 19] pre-adsorbed to protein G-agarose (Pierce). Immunocomplexes were collected by centrifugation, separated by 9% SDS-PAGE and blotted onto PVDF membrane (Millipore). Immunoblotting was performed with rabbit polyclonal anti-p53 (FL393). Immunofluorescence staining The cells were grown on coverslips and treated with Zn-curc (100 μM) for 24 h. After treatment, cells were fixed in 4% formaldehyde for 10 min and then premeabilized with 0.5% Triton X-100 for 5 min before staining

with conformation antibodies PAb1620 and PAb240 at 1:200 dilution in PBST, overnight at 4°. Florfenicol Cells were then visualized on a Nikon Eclipse Ti-U fluorescence microscope (Nikon) and the percentage of fluorescent cells was assayed by scoring 200 cells/field, three times and normalized to Hoechst staining. RNA extraction and semi-quantitative reverse transcription (RT)-PCR analysis Cells and glioblastoma tissues were harvested in TRIzol Reagent (Invitrogen) and total RNA was isolated following the manufacturer’s instructions essentially as described [20]. PCR was performed by using genes specific oligonucleotides under conditions of linear amplification. PCR products were run on a 2% agarose gel and visualized by ethidium bromide staining using UV light. The housekeeping β-actin mRNA was used as internal control.

5, 1H, H-2), 3 72 (s, 3H, OCH 3), 3 93 (s, 1H, H-1), 5 30 (bs, 1H

5, 1H, H-2), 3.72 (s, 3H, OCH 3), 3.93 (s, 1H, H-1), 5.30 (bs, 1H, CONH), the remaining signals overlap with the signals of (2 S ,1 S ,3 S )-1c; 13C NMR (from diastereomeric selleck compound mixture, CDCl3, 125 MHz): (2 S ,1 S ,3 S )-1c (major isomer): δ 11.3, 15.6 (CH3, \( C\textH_3^’ \)), 25.3 (CH2), 28.6 (C(CH3)3), 38.0 (CH), 50.9 (C(CH3)3), 51.5 (OCH3), 63.5 (C-2), 66.6 (C-1), 127.9 (C-2′, C-6′),

128.2 (C-4′), 128.8 (C-3′, C-5′), 138.8 (C-1′), 170.9 (CONH), 174.7 (COOCH3); (2 S ,1 R ,3 S )-1c (minor isomer): δ 11.7, 16.4 (CH3, \( C\textH_3^’ \)), 25.0 (CH2), 28.8 (C(CH3)3), 38.5 (CH), 50.7 (C(CH3)3), 51.7 (OCH3), 65.3 (C-2), 67.1 (C-1), 127.2 (C-2′, C-6′), 128.0 (C-4′), 128.8 (C-3′, C-5′), 139.6 (C-1′), 171.0 (CONH), 174.7 (COOCH3); HRMS (ESI) calcd for C18H28N2O3Na: 357.2154 (M+Na)+ found 357.2148. Pale-yellow oil; IR (KBr): 700, 754, 1223, 1454, 1516, 1680, 1738, 2872, 2966, 3326; TLC (PE/AcOEt 3:1): R f = 0.20 (major isomer) and 0.24 (minor isomer); 1H NMR (from diastereomeric mixture, CDCl3, 500 MHz): (2 S ,1 S )-1d (major isomer): δ 1.28 (s, 9H, C(CH 3)3), 2.33 (bs, 1H, NH), 2.85 (dd, 2 J = 13.5, 3 J = 8.0, 1H, CH 2), 3.03 (dd, 2 J = 13.5, 3 J = 6.0, 1H, \( \rm CH_2^’ \)), 3.36 (dd, 3 J = 8.0, 3 J = 6.0, 1H, H-2), 3.68 (s, 3H, OCH 3), 4.08 (s, 1H, H-1), 6.67 (bs, check details 1H, CONH), 7.06 (m,

2H, H–Ar), 7.10 (m, 2H, H–Ar), 7.21–7.37 (m, 6H, H–Ar); (2 S ,1 R )-1d (minor isomer): δ 1.08 (s, 9H, C(CH 3)3), 2.68 (dd, 2 J = 13.5, 3 J = 10.0, 1H, CH 2), 3.47 (dd, 3 J = 10.0, 3 J = 4.0, 1H, H-2), 3.75 (s, 3H, OCH 3), 3.96 (s, 1H, H-1), 6.78 (bs, Tacrolimus (FK506) 1H, CONH), the remaining signals overlap with the signals of (2 S ,1 S )-1d; 13C NMR (from diastereomeric mixture, CDCl3, 125 MHz): (2 S ,1 S )-1d (major isomer): δ 28.6 (C(CH3)3), 39.4 (CH2), 50.8 (C(CH3)3), 51.9 (OCH3), 60.4 (C-2), 66.4 (C-1), 126.8 (C-4″), 127.6 (C-2′, C-6′), 128.1 (C-4′), 128.5 (C-2″, C-6″), 128.7 (C-3′, C-5′), 129.3 (C-3″, C-5″), 137.0 (C-1″), 138.4 (C-1′), 170.7 (CONH), 174.1 (COOCH3); (2 S ,1 R )-1d (minor isomer): δ 28.4 (C(CH3)3), 40.2 (CH2), 50.3 (C(CH3)3), 52.1 (OCH3), 62.4 (C-2), 66.8 (C-1), 127.0 (C-4″), 127.2 (C-2′, C-6′), 128.1 (C-4′), 128.7 (C-2″, C-6″), 128.8 (C-3′, C-5′), 129.5 (C-3″, C-5″), 137.6 (C-1″), 139.5 (C-1′), 170.5 (CONH), 174.8 (COOCH3); HRMS (ESI+) calcd for C22H28N2O3Na: 391.1998 (M+Na)+ found 391.1995.

45 664 24 103 allergen aca S13 (cellular FABP-like) XP_969762 6e-

45 664 24 103 allergen aca S13 (cellular FABP-like) XP_969762 6e-05 50% 32% IPR011038; IPR012674 FQ866935, FQ867818 15.91 1307 304 440 NA NA NA NA NA no IPR FQ877624 5.21 723 21 0 NA NA NA NA NA No IPR FQ884311 3.22 351 13 0 RPL37 XP_969650 3e-36 76% 94% IPR001569; IPR011331; IPR011332; IPR018267 FQ868370 2.9 525 17 1 Chemosensory protein 10 NP_001039278 6e-33 75% 49% IPR005055 FQ862292 2.9 974 17 1 Cathepsin L-like proteinase NP_001163996 2e-68 88% 48% no IPR FQ869260 2.73 138 11 0 NA NA NA NA NA No IPR FQ865010 2.49 865 12 28 Gamma-subunit.

methylmalonyl-CoA decarboxylase XP_973308 2e-24 54% 58% IPR010625 FQ884611, FQ867701 2.48 1463 10 0 Myoinositol oxygenase XP_966469 3e-133 6% 74% IPR007828 FQ864415 2.17 704 0 6 Transmembrane protein 41B XP_975236 1.8e-02 25% 42% No IPR FQ863216 2.17 812 0 6 NA NA NA NA NA no IPR 1The R Proteasomal inhibitors statistic test, with 500 random datasets, was performed to evaluate genes whose representation in AO and SO libraries was statistically different. Sequences showing an R statistic > 2 were significant. 2Unigene redundancy is given for each library (AO and SO). 3For each unigene, we gave blastx matches with Tribolium castaneum,

the closest genome-sequenced insect, phylogenetically, to Sitophilus. Accession numbers of Tribolium related sequences, e-value of blastx hits, sequences coverage and max identity between Sitophilus and Tribolium sequences are also given. 4Interproscan Amino acid predicted domains are given selleck chemicals llc to complete the characterization of sequences. The subtraction has also identified two other sequences, which are highly expressed in the symbiont-full bacteriome, when compared to the symbiont-free bacteriome. The first was related to methylmalonyl-CoA decarboxylase

(58% similarity based on predicted protein) and the second was a transmembrane protein close to the Tribolium transmembrane 41B protein. On the other hand, 4 sequences related to the cathepsin 1-like protein, the chemosensory protein, the ribosomal protein L37 and the myoinositol oxygenase, all showed significantly higher expression in the symbiont-free bacteriome. Finally, it is noteworthy that 4 sequences, including 2 more expressed in the symbiont-full bacteriome and 2 more expressed in the symbiont-free bacteriome, have neither Blast annotation nor an Interproscan definition domain. Such sequences cannot be used in this state and require further characterization. In addition to in silico subtraction, SSHA and SSHB libraries were also constructed with the aim of identifying genes involved in host-symbiont interactions. As described in the Methods section, we carried out a functional enrichment analysis of SSHA and SSHB in order to highlight major GO terms associated with these library sequences (see Additional file 2). Concerning the SSHA library, three GO terms from biological processes (i.e.

The oxidized form of the redox molecule is reduced back to the re

The oxidized form of the redox molecule is reduced back to the reduced form OH- at the selleck counter electrode (Pt/FTO) by the electrons that re-entered into the UV detector from the external circuit (e- + OH· → OH-). The circuit was completed in this manner, demonstrating a self-powered UV detection property. Overall, the ZnO nanoneedle

array/water solid-liquid heterojunction is one type of regenerative UV detector. Considering the tunability of the absorption edge of ZnO by simply changing the concentration of the doping element like Al [33, 34] or Mg [35, 36] and excellent spectral selectivity of this system, we suggest that the spectral response should be tailored by elemental doping [37] in a relatively wide range, which presents a promising versatile potential. In addition, the photoresponsivity and time performance of the solid-liquid heterojunction can also be improved by seeking for the optimized electrolyte solution. The simple fabrication technique, low cost, and environmental friendliness (nontoxic composition) further add to the solid-liquid UV detector’s commercial application. Conclusion In conclusion, c-axis-preferred ZnO nanoneedle Torin 1 clinical trial arrays have been successfully prepared on a transparent conductive FTO substrate via a simple hydrothermal

method. A new type of self-powered UV detector based on a ZnO nanoneedle array/water solid-liquid heterojunction structure is fabricated, which exhibits a prominent performance for UV light detection. The photocurrent responds rapidly with UV light on-off switching irradiation under ambient environment. The mechanism of the device

is suggested to be associated with the inherent built-in potential across the solid-liquid interface which works in a Schottky barrier manner that separates the electron-hole pairs generated under UV irradiation. The large relative surface and high crystal quality further promote the photoresponse. This new type of self-powered solid-liquid heterojunction-based UV detector can be a particularly suitable candidate for practical applications for its high photosensitivity; fast response; excellent spectral selectivity; uncomplicated, low-cost fabrication process; and environment-friendly feature. Acknowledgements This work was supported by the National Key Basic Research Program of China Mannose-binding protein-associated serine protease (2013CB922303, 2010CB833103), the National Natural Science Foundation of China (60976073, 11274201, 51231007), the 111 Project (B13029), and the Foundation for Outstanding Young Scientist in Shandong Province (BS2010CL036). References 1. Razeghi M, Rogalski A: Semiconductor ultraviolet detectors. J Appl Phys 1996, 79:7433.CrossRef 2. Munoz E, Monroy E, Pau JL, Calle F, Omnes F, Gibart P: III nitrides and UV detection. J Phys Condens Mat 2001, 13:7115.CrossRef 3. Soci C, Zhang A, Xiang B, Dayeh SA, Aplin DPR, Park J, Bao XY, Lo YH, Wang D: ZnO nanowire UV photodetectors with high internal gain.

05), while that in ALM went up (P < 0 05), The difference at the

05), while that in ALM went up (P < 0.05), The difference at the end of TT between ALM and COK tended to be significant (P = 0.054) (Figure 5). Figure 5 Change in blood glucose during performance tests. Blood glucose was tested at 0, 60 min and at the end of SS and TT. The values at the end of SS in BL, ALM and COK were lower than at the start of performance test (#P < 0.05). ALM had greater increased percentage at the end of TT than BL and COK as compared to that at the end of SS and a higher level than COK (*P < 0.05) at the end of TT. Among the biomarkers reflecting subjects’ antioxidant status, TAOC in COK was

decreased, while ALM’s level, which was higher than that in COK, was not changed as compared to BL. ALM, not COK, had a higher blood VE than BL (Table 2). Other Akt inhibitor indicators were not significantly changed (Table 2). The indicators of training and recovery, CK and BUN, were not affected by the interventions. Hb in ALM was higher than BL (Table 2). Serum FFA, but not BG and PA in ALM, which are indicative of carbohydrate and fat metabolic production,

were lower than BL (Table 2). GW572016 Some metabolism-regulating factors like arginine, NO and Ins, were not different among BL, COK and ALM, whereas ALM had slightly higher levels than COK (Table 2). Nutritional intake The dietary intakes of energy, carbohydrate, total fat (including saturated and mono- and multi-unsaturated fatty acids), protein, total VE and arginine were not different between COK and ALM (Additional

file 3). Discussion The present Buspirone HCl study showed that 4-week consumption of both 75 g/d whole almonds and isocaloric cookies during the winter training season improved cycling distance of time trial and elements of exercise performance relative to BL, with a greater change in the ALM, even though BL’s performance was likely partially affected by relatively high ambient temperature and humidity. The data suggests that a few notable nutrients/compounds abundant in almonds might improve the effectiveness of the training in a synergistic way via modulating CHO reservation/utilization (by improving glucose transport into skeletal muscle and glycogen synthesis [36, 37]), antioxidant capacity [6, 7], oxygen transportation/utilization and metabolism regulation [19–26] through slightly raised arginine, insulin, and NO, and statistically increased VE, TAOC and Hb level (Table 2) without greatly affecting fluid balance (Table 3). In general, training elevates fat-derived energy contribution to an endurance competition [38]. A continuous supply of fatty acids is crucial to athletes participating in distance/endurance competition at moderate intensity, whereas CHO serves as the main fuel during an intense exercise, especially during sprint of a competition [36, 39]. Thus, CHO preloading and loading prior to or during a race are essential strategies for athletes participating in an endurance competition [40].

Thus, the evidence available indicates that many generic formulat

Thus, the evidence available indicates that many generic formulations are

less well tolerated than the proprietary products and that this leads to poorer adherence, in turn associated with a poorer clinical outcome in terms of effectiveness on BMD [51–53] and ultimately in effectiveness on fracture outcomes [44, 51, 54–56]. Because generic drugs in developed markets are shown to be bioequivalent, it might be assumed that the decrease in effectiveness is a result of the poor adherence. There is some evidence that there may be additional effects on drug efficacy. In the case review of Ringe et al. [50] unequal efficacy of the generic vs. branded alendronate and risedronate was observed in the effect on BMD: significantly lower treatment-induced increases in BMD at the lumbar spine (p < 0.05) and total hip (p < 0.01) were observed after 1 year in the group receiving generic selleck compound alendronate compared to those receiving the two branded bisphosphonates. In the Canadian survey [49], generic treatment was stopped because of a decrease in BMD in a significant minority of patients. Whether some generic products have lower efficacy remains an open question, and poor adherence provides a plausible reason for the apparent reduction in the effectiveness of the generic products. Formulation The question arises whether poor tolerance

is due to differences in the formulation between the generics and their branded equivalents, and there Pifithrin-�� cell line is evidence to suggest that this is indeed the case. Mean disintegration times have been found to be significantly faster for two generic formulations of alendronate available in Canada compared to branded alendronate (with or without

vitamin D) or branded risedronate [57]. Disintegration rates of several of the generics available 2-hydroxyphytanoyl-CoA lyase in Europe or the USA were similar to those reported for tablets specifically formulated to disintegrate in the mouth (<30 s) [58–60] (Fig. 4). Many other studies have confirmed heterogeneous rates of disintegration [58]. Dissolution rates appear to have much less variability [59–63]. Fig. 4 Disintegration times in vitro of Fosamax 70-mg tablets (R) and ten generic copies from South America [redrawn from 58] In 2005, Epstein showed a greater irritant response in dogs from a generic alendronate compared to the reference product when tablets of the two formulations were placed at the lower oesophagus: the differences were attributed to the excipients, since the active ingredient (alendronate sodium) and the dose in copy alendronate tablets were similar to branded tablets [64]. Rapid disintegration with semi-particulate alendronate may cause poor tolerance by adhering to the oesophageal mucosa. Such an effect of a majority of generic formulations of alendronate, but not the proprietary products, was shown in vitro on the oesophageal mucosa of pigs [65].

Surprisingly,

most of the proteins detected with relative

Surprisingly,

most of the proteins detected with relatively high intensities were ribosomal components. As in the case of RpoC-TAP, the ATM/ATR inhibitor clinical trial specificity values of many proteins decreased due to its detection in the control sample. In order to check whether ribosomal proteins co-purified with RNase R due to an unspecific interaction provided by rRNA, we repeated the experiment adding RNase A during the purification steps. Results showed that after RNase A treatment the proteins detected with the highest intensities were still ribosomal components (Figure  2C). To check whether RNase R interaction with ribosomes was specific for cold shock, we performed mass spectrometry detection of proteins that co-purified with RNase R-TAP in exponentially growing cells. Comparison of the results showed that most of the proteins detected were the same under both conditions (Figure  2D). This suggests that interaction between RNase R and ribosomes is not an artifact of the growth conditions. There was a drop in the intensity value of RNase R obtained by mass spectrometry between RNase R TAP sample after RNase A treatment and the sample from exponentially growing cells.

We consider it as a method artifact selleck products since this effect did not reflect the amount of RNase R in the sample estimated by SDS-page gels (data not shown). RNase R interacts mostly with non-translating ribosomes in vivo Analysis of the mass spectrometry data suggested that there can be physical interaction between RNase R and the

ribosomes. To explore this we used sucrose polysome gradients and detected the RNase R position in the gradient using antibodies against RNase R. During centrifugation of total bacterial extracts in sucrose gradients, the soluble proteins stay at the top, whereas ribosomes migrate deeper Astemizole into the gradient due to their size. The relation between the position of RNase R and ribosomes along the gradient should reveal eventual interactions between these two particles. The use of anti RNase R antibodies to detect the RNase R position in the gradient enables the observation of the behaviour of the endogenous untagged proteins. Western blot analysis of the gradient fractions showed that the RNase R signal reached maximal intensity not at the top of the gradient, as expected for soluble proteins, but a few fractions deeper (Figure  3A). Similar results were obtained for the cells grown at 37°C and the cells after the cold shock treatment; although cold shock treated cells gave a stronger signal due to the increase in the RNase R level. As a control we have used RNase II, a protein from the same family. In contrary to RNase R, RNase II does not migrate along the sucrose gradient. This protein remains mostly in the fraction of the gradient corresponding to the soluble proteins, showing no interaction with the ribosomes (see Additional file 2: Figure S1).

Curr Top Med Mycol 1985, 1:313–351 PubMed 33 Henry KW, Nickels J

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