Krill oil has a distinctive odor, taste, and color It was theref

Krill oil has a distinctive odor, taste, and color. It was therefore imperative to blind the subjects to the identity of the capsules. Thus, to mask the different colors of the krill and placebo oils, the gelatin capsules were black. To make the krill oil and placebo capsules taste similar, a vanillin extract was added to all of the capsules. To make the krill and placebo oil Anti-diabetic Compound Library price capsules smell similar, the placebo capsules

were rubbed with negligible amounts of krill oil. All capsules were provided to subjects in 7×4 AM and PM blister packs; each set of AM and PM blister packs provided a subject with a week’s worth of dosing. The blister packs were coded in a manner that maintained the blinding of the study. Study subjects and personnel were blinded to the study. The study was conducted with approval of an Institutional Review Board and in accordance with Good Clinical Practices and the World Medical Association Declaration

of Helsinki. All subjects received appropriate oral and written information on the background of the study and potential risks and benefits of taking krill oil supplements. After comprehensive information and time for questions, written informed consent was asked from all subjects who wanted to enroll in the study. It was made clear that at any time the subjects could withdraw their consent. The study was registered at www.clinicaltrials.gov (NCT01415388). Body weight and BMI were measured for all subjects during each visit [screening, HSP90 baseline, week 6 and week 12 (±3 Alectinib manufacturer days)]. Blood from venipuncture for the assessment of serum lipids was obtained after an overnight fast (≥ 12 h) at screening and all visits. After sitting for

30 min at room temperature, serum was separated in silica gel tubes (BD Vacutainer) by centrifugation at 1,300 x g for 12 min at room temperature. Serum analysis of total cholesterol, LDL-C, HDL-C, and TG was performed using standard enzymatic methods on an Olympus AU 5400 or AU 5431 analyzer. Blood for the assessment of the omega-3 index was collected at baseline, 6 and 12 weeks after an overnight fast. It was analyzed as described previously at Omegametrix GmbH (Martinsried, Germany) [22] and [23]. In short, fatty acid methyl esters from red blood cells were analyzed by gas chromatography (GC2010, Shimadzu, Duisburg, Germany) equipped with a SP2560 100-m column (Supelco, Bellefonte, PA, USA), using hydrogen gas as a carrier. Omega-3 index was given as EPA + DHA in red blood cells expressed as a percentage of the total identified fatty acids. Safety assessments included measurements of blood pressure, pulse rate, body temperature, and the collection of information on unsolicited adverse events at all visits, as well as 12-lead echocardiogram (ECG), physical checkup, urinalysis, hematology and clinical chemistry at the screening and end-of-study visits.

Bulk water content is therefore an inadequate predictor of ice st

Bulk water content is therefore an inadequate predictor of ice structure and vein size. Time dependent diffusion measurements have the advantage of providing quantitative values for physical microstructural parameters (S/Vp and α) relevant to liquid water vein dimensions and corresponding ice crystal sizes. However, experimental

acquisition times can be long (∼8 h). T2 relaxation time measurements on the other hand have the advantage of short (∼2 min) acquisition times and can provide quantitative values of S/Vp given the surface relaxivity ρ [35]. Surface relaxivity is not an easy parameter JAK activation to measure. Here, we utilize the quantitative S/Vp obtained from the time dependent diffusion

data in Fig. 3 and measured T2 values to calculate ρ via the relationship 1/T2 ∼ ρS/Vp. This is possible, despite the inherent relaxation weighting in PGSE NMR measurements of diffusion that is not present in T2 relaxation measurements [35], due to the low susceptibility between solid ice and liquid water [18]. Further, the value of ρ was found at both short and long aging times Bleomycin ( Fig. 3) and is independent of aging time. As such, the surface relaxivity can be used to calculate S/Vp from T2 values acquired at aging times where D (t) data was not available. The surface relaxivity for the ice control sample was found to be 1.5 × 10−5 m s−1. Interestingly, ρ for the rIBP(2) and rIBP(4) samples were 2.6 × 10−5 and 1.6 × 10−5 m s−1 respectively, indicating that the IBP attached to the ice crystal surface may change the measured surface relaxivity. Fig. 4 shows lp(∼Vp/S) calculated from the T2 measurements ( Fig.

2) as a function of aging Lck for the ice control and rIBP samples. As was inferred from Fig. 2, the ice control lacking protein showed increasing pore lengthscales with aging, consistent with crystal growth and subsequent increases in vein dimensions. With increasing concentrations of IBP, smaller lp was observed due to the presence smaller crystal sizes, indicating increased inhibition of recrystallization processes. These results demonstrate the ability of non-destructive NMR relaxation and time dependent diffusion measurements to characterize the unfrozen vein network structure and crystal growth processes in ice, as well as its evolution with time. This provides a new quantitative analytical method to assess the impact of biomolecules on ice structure during freezing processes relevant to biotechnological applications. Microbial extracellular IBPs were found to inhibit recrystallization and modify the three dimensional ice structure, resulting in persistent small size ice crystals (observed up to 70 days) and shorter diffusion distances along veins.

The most effective dose was 5 mg/kg/d in both genotype 1a− and ge

The most effective dose was 5 mg/kg/d in both genotype 1a− and genotype 1b−infected mice; therefore, we used this dose for further experiments. To address whether NA808 had antiviral activity across HCV genotypes, chimeric mice infected with various strains of HCV were treated with 5 mg/kg

of NA808 for 14 days, and then the HCV-RNA levels in the sera were evaluated. Inoculation with several HCV strains, HCG9 (genotype 1a), HCR6 (1b), HCR24 (2a), HCV-TYMM (3a), and HCVgenotype4a/KM (4a), resulted in HCV titers in the sera of mice of approximately 108 (HCG9 and HCV-TYMM) and 107 (HCR6, HCR24 and HCVgenotype4a/KM) copies/mL, respectively ( Supplementary Figure 2, and as described previously 17). At 14 days after administration, NA808 treatment resulted in approximately selleck inhibitor 1- to 3-log reductions of serum HCV-RNA in each genotype-infected group ( Figure 2F). Human serum albumin levels were not changed during the administration period (data not shown), suggesting that the anti-HCV check details activity of NA808 against several genotypes occurred without any overt toxicity. NA808 was effective and well tolerated in chimeric mice with humanized liver infected with several genotypes

of HCV. Full-genome sequence analysis of HCV in the humanized-liver mouse model after 14 days of NA808 administration was performed. The viral RNA was extracted from liver tissues of humanized-liver mice, amplified by using the primer sets shown in Supplementary Table 3 and sequenced with the Roche/454 GS Junior sequencer by using titanium chemistry. We obtained 43,911 and 68,272 sequence reads for HCV genomes from untreated mice and from NA808-treated mice, respectively. The sequences were determined by comparing with the HCG9 reference sequence (GenBank accession number AB520610).

As a result, the viral sequences from NA808-treated mice were identical to those from untreated mice. The in vivo synergistic effects of NA808 combined with PEG-IFN on AMP deaminase HCV replication were investigated by using chimeric mice with humanized liver infected with HCV genotypes 1a, 2a, and 4a. NA808 was administered intravenously with or without subcutaneous injection of PEG-IFN for 14 days. In mice infected with HCV genotype 1a, the combination therapy of NA808 with PEG-IFN led to a rapid decrease in serum HCV-RNA of about 4-log within 10 days (Figure 3A), and monotherapy with NA808 and PEG-IFN achieved about a 2-log and 1-log decrease, respectively ( Figure 4A). The levels of serum HCV-RNA were also significantly reduced in genotype 2a- and 4a−infected chimeric mice that received the combination treatment ( Figure 3A).

The composition of the DNS reagent was 1% (w/v) 3,5-dinitrosalicy

The composition of the DNS reagent was 1% (w/v) 3,5-dinitrosalicylic acid

(Sigma code D-0550), 0.4 M NaOH and 30% (w/v) sodium tartrate. The buffers utilized were 0.1 M MES/NaOH (pH 6.0, 6.5 or 7.0); 0.1 M HEPES/NaOH (pH 7.5, 8.0 or 8.5) and 0.1 M boric acid/NaOH (pH 9.0, 9.5 or 10.0). The blanks were prepared with 50 μL of 300 mM NaCl instead of samples containing enzymes. For calculations, a standard curve was obtained with different quantities of maltose dissolved in 300 μL of water and the reactions using the DNS reagent were developed according the method above described. The L. longipalpis check details larvae were dissected as explained in Section 2.2.1, and the gut was divided into 3 parts (anterior midgut, posterior midgut and hindgut). Each part was

processed and assayed using the dinitrosalicylic acid method described above at pH 8.5 and using starch selleck or glycogen as substrates. In this case, a pool of 5 midguts was used to prepare the samples. To obtain soluble enzymes, 5 midguts were dissected in 0.9% (w/v) NaCl and individually transferred to 10 μL of 300 mM NaCl containing 0.03 mM CaCl2. Each midgut was then longitudinally opened with needles to release the luminal content. Then, the solution containing the luminal content was pipetted and transferred to a micro centrifuge tube. The volume of the tube was adjusted to 125 μL with a NaCl/CaCl2 solution, and an additional volume of 125 μL of the same solution, containing 2% (v/v) Triton X-100, was added to the sample. The resulting mixture was centrifuged for 10 min (14,000×g at 4 °C), and the supernatant was collected for use in the assays. Fifty microliters of this sample contained the equivalent of one midgut. To obtain enzymes linked to the gut wall, 5 midguts were separated from their content using the method described above, washed in 300 mM NaCl containing 0.03 mM CaCl2 and transferred to a tube containing 250 μL of the same solution containing 1% (v/v) Triton X-100. This mixture was not homogenized with a

micro homogenizer, but the detergent solution came in contact with the luminal surface to release the enzymes. After this Decitabine price treatment, the sample was centrifuged under the same conditions described above, and the supernatant was collected for use in assays. The assays were performed using the dinitrosalicylic acid method described in Section 2.2.1 at pH 8.5. The controls were prepared with 50 μL of 300 mM NaCl containing 0.03 mM CaCl2 and 1% (v/v) Triton X-100. To investigate the influence of chloride ions, 10 total midguts were dissected in 0.9% (w/v) NaCl, quickly washed in distilled water and transferred to a micro centrifuge tube containing 250 μL of water (1 midgut equivalent in 25 μL). The samples were homogenized using an abrasive micro-homogenizer made of glass and centrifuged at 4 °C for 10 min at 14,000×g. The assays were performed by mixing 100 μL of a 1.

The absence of a vascular supply in articular cartilage means tha

The absence of a vascular supply in articular cartilage means that the cells receive nutrients and discharge waste material by diffusion through the extracellular matrix, from and to the synovial fluid, respectively. As a result, articular cartilage has a very limited ability to self-heal and joint injuries with articular cartilage damage can lead to cartilage degeneration and subsequent osteoarthritis with significant personal and socioeconomic costs [93]. Cartilage replacement or repair can

be indicated for a number of medical conditions including: avascular necrosis/osteochondritis dissecans, traumatic injuries, epiphyseal tumors and arthritis. These conditions do not have good non-surgical or surgical options to restore joint

function GDC-0449 mw and, if left untreated, they lead to joint instability, deterioration and subsequent osteoarthritis. Arthritis is the most common cause of disability in North America and osteoarthritis is the most common form of arthritis. More than 20 million people in the US alone deal with severe limitations in function on a daily basis due to arthritis, which results in more than 1 million hospitalization cases, and costs a total of $100 billion US every year [1]. Surgical treatment options depend on the type and size of the cartilage lesion. Small lesions less than 1 cm in diameter typically can be compensated by the surrounding cartilage but not always. Persistently symptomatic smaller lesions and larger lesions often selleck inhibitor require surgical intervention. The most common cell-based interventions are microfracture [97] and [98], autologous chondrocyte implantation (ACI) [15] and [16], and matrix associated ACI (MACI) [11] and [66]. There are many reports of these surgical techniques providing some positive Cytidine deaminase results but they are unable to reproduce the complex structure of the articular cartilage matrix resulting in biomechanically inferior fibrocartilage or “hyaline-like” cartilage. It is possible that these inferior cartilage repair tissues will not function well in the long-term. Another

surgical treatment option is mosaicplasty (osteochondral autografts) which consists of taking cartilage from one area of the joint and moving it to the defect. This will restore the normal cartilage matrix structure in the injured area at the cost of removing it from a previously healthy area of the joint. All of these techniques can provide some relief in small to medium size defects but they are not able to treat large defects, including whole joints, effectively. The only biologic technique that can restore partial [102] and [103], or whole joints [9], [19] and [36] is osteochondral allografting [38] which entails transplanting bone and cartilage from a donor patient into a recipient patient. In older patients, synthetic total joint replacement is a viable option for more sedentary, low activity patients.

Substances existing in acid or alkaline form must be neutralized

Substances existing in acid or alkaline form must be neutralized before addition. In the assay mixture all components must be present already in their final concentration, considering, however, the volume change caused by the addition of the starting component. Assay mixtures should be prepared always

freshly and kept at low temperature (ice), only the sample directly prepared for the assay must be thermostatted. After finishing the test series the assay mixture should be discarded and not stored for a longer time. A further question concerns the component to be used for starting the enzyme assay. In principle all substances essential for the catalytic reaction, like substrates or cofactors may be candidates, GSK2118436 but usually the enzyme as the catalyst is preferred. Its limited stability in dilute solution and possible interactions with components of the assay mixture makes the enzyme the most suitable as the starter component. In some cases, however, the substrate is preferred, e.g. if it is unstable in aqueous solution and must be added immediately before the

reaction. Some enzymes need an activation phase, e.g. by interaction with a cofactor. They must be preincubated with this factor or with the whole assay mixture, and another component must initiate the reaction. Various modes are applied to store enzymes, frozen in solution, as crystal suspension, selleckchem as precipitate or lyophilized. For performing the enzyme assay a stock solution must be prepared from the storage form. Since enzymes are more stable in the condensed protein milieu

of the cell, the stock solution should be concentrated, but the enzyme must be completely dissolved. A buffer, preferentially with the same pH as the assay mixture, should be used. Even under such conditions the enzyme may not be stable and its activity can decrease considerable during an experimental period of some hours. Various reasons can cause a loss of activity, like oxidative processes, poisoning of thiol groups, both often assisted by metal ions, or degradation by contaminating proteases. Elevated temperature promotes such processes. Therefore enzyme solutions should be kept cool, preferentially on ice. Thiol reagents, like mercaptoethanol, dithioerythritol or dithiothreitol protect Janus kinase (JAK) from oxidative processes. High concentrations of inert proteins, like bovine serum albumin, have a general stabilizing effect and protease inhibitors, like phenylmethanesulfonylfluoride, leupeptin and macroglobulin protect against degradation (Umezawa, 1976 and Sottrup-Jensen, 1989). EDTA traps divalent metal ions and serves as inhibitor of metallo-proteases, but it also sequesters essential ions from the enzyme, e.g. in ATP dependent reactions, which need Mg2+ as counterions and thus EDTA reduces the effective ATP concentration. Cofactors and substrates protect enzymes against poisoning of their catalytic sites.

The frequency of the other haplotypes (Hap_6, Hap_7, Hap_10, and

The frequency of the other haplotypes (Hap_6, Hap_7, Hap_10, and Hap_11) was moderate, between 5.4% and 8.7% (Table 5). The frequencies of GhExp2 haplotypes differed markedly across species ( Table 6). Haplotype diversity ranged from 0.667 in G. arboreum (7 accessions) click here to 0.767 in G. hirsutum (74 accessions). The difference was particularly evident for the haplotypes (Hap_1, Hap_2, and Hap_3) present only in G. arboreum. The most frequently identified haplotypes were confined to G. hirsutum. Six haplotypes were present in < 10% of accessions sampled, six were unique to one species, and six

were exclusive to accessions from single species, indicating that every allele was unique to one species. Thus, interspecific crossing would create novel alleles. G. hirsutum accessions were largely separated into six haplotypes. In comparison with G. arboreum and G. barbadense, more haplotypes and higher diversity were observed in G. hirsutum ( Table 5). The prerequisite for all subsequent analyses in this study was the characterization of population structure using

the software package Structure 2.3.1 [26]. Based on 132 unlinked SSR markers, providing even coverage of the cotton genome, we ran Structure for K (number of Sotrastaurin chemical structure fixed subpopulations or clusters) ranging from 2 to 10. The model with K = 7 clusters showed higher log likelihood (ln Pr(X|K) = − 9805.2) than for other integer values of K, and the likelihoods for K = 8 and 9 decreased markedly, compared with that for K = 7. Because the likelihood peaked at K = 7 in the range of two to ten subpopulations, the most likely number of putative ancestral populations (K) was identified as seven. Staurosporine The number of these 92 cotton accessions assigned to each of the seven inferred clusters ranged from 2 to 39. Kullback–Leibler distances of pairwise subpopulations were significant (P < 0.001) and ranged from 0.1251 to 1.4933 (average 0.6856), suggesting a genuine difference among these clusters and supporting the existence of genetic structure ( Fig. 5, Table 7). The G. arboreum

accessions (except for CRZM) and G. barbadense accessions (except for Giza 80) lines were very distinct from all other lines from G. hirsutum because of the genetic isolation that occurred during their development, and were accordingly (6 G. arboreum and 10 G. barbadense accessions) assigned to A (Arboreum) and B (Barbadense) groups, respectively. Giza80 (introduced from Egypt) and CRZM (with fiber length approximating that of tetraploid cotton) were assigned to a seventh M (Mixed) group. Four clusters from G. hirsutum are referred to hereafter as H1 (8 accessions), H2 (19 accessions), H3 (39 accessions) and H4 (8 accessions) subpopulations. These results are consistent with their genomic origins and evolutionary histories.

Further studies are necessary to gain an understanding of how per

Further studies are necessary to gain an understanding of how periodontal disease and inflammatory

processes can affect the activity of the LPBN inhibitory mechanism, the specific role of the cytokines in GABAergic neurotransmission in the LPBN and how these mechanisms interact with each other to control thirst and sodium appetite. Talita de Melo e Silva performed the experiment, analyzed the data and interpreted the results. Gabriela P. Bearare performed the experiments, participated in data collection and analyzed the data. Dóris H. Sumida designed the study and performed the experiments, assistance in all steps such as analyses and discussion. Supervised the study. João C. Callera designed GDC-0941 cell line the study and performed the experiments, analysed the data and wrote the manuscript. The study was funded by the Brazilian Federal Agency for Support and Evaluation of Graduated Education (CAPES). None declared. The procedures were approved by the Institutional Ethical Committee for Animal Care from the School of Dentistry, UNESP, Araçatuba, Brazil (protocol 2010-00516) and

complied with the recommendations of the Brazilian College of Animal Experimentation (COBEA). The authors thank Arnaldo Cesar dos Santos for animal care. This work was supported by Brazilian Federal Agency for Support and Evaluation of Graduated Osimertinib order Education (CAPES). This work by Talita de Melo e Silva was part of the requirements for obtaining a Master’s Degree through the Multicentric Graduate Programme in Physiological Sciences at the Universidade Estadual Paulista (UNESP) and Brazilian Society of Physiology (SBFis). “
“The development of periodontium initiates when root formation starts. It is an event initiated by the epithelial proliferation at the cervical loop where the inner and outer enamel epithelia fuse to produce the epithelial diaphragm and the Hertwig’s epithelial root sheath (HERS). As HERS cells proliferate apically, complex epithelial–ectomesenchymal interactions

Endonuclease occur preceding the formation of root dentine and cementum.1 Among these interactions, the TGF-β/BMP signalling has been demonstrated to play a role during the initiation of periodontium development;2 and 3 Smad-4 is a key mediator of the the canonical TGF-β pathway,4, 5, 6 and 7 and it has been proven to be crucial during the root development.3 and 8 The TGF-β/BMP and their respective receptors build complexes that phosphorylate the Smad proteins, which translocate into the nucleus to regulate the expression of an array of target genes like sonic hedgehog (Shh), which mediate the epithelial–mesenchymal interactions during root development.3 The root and periodontium formation occur simultaneously with the intraosseous and preocclusal stages of tooth eruption.9 Tooth eruption is a process that involves a dynamic remodelling of the bony crypt.

4 The WHO emphasizes the importance of all HIV infected women hav

4 The WHO emphasizes the importance of all HIV infected women having access to life-long treatment if they are clinically or immunologically eligible for it. For those pregnant women who did not require it for their own health there were two options; A and B, see Table (Table 2).4 In 2010 a further option, B+ was introduced which advocates life-long treatment for all HIV positive pregnant or breastfeeding

women, irrespective of their clinical stage or CD4 GSK-3 activation count.4 and 5 In June 2013, WHO issued new guidance which now excludes option A and recommends one simplified triple regimen for all pregnant women irrespective of their CD4 count (option B+), this would then continue lifelong for all or just for those who meet the eligibility

criteria (option B).12 This decision was made on the evidence that whilst trials have shown similar efficacy between Option A and B, the complexities of the former have hindered the up-scaling of PMTCT in many low-resource countries.12 Countries have to make a programmatic choice between ‘option B’ and ‘B+’, as there is not yet the evidence to detail the overall impact of lifelong treatment in this scenario.12 Countries that have the capacity to monitor CD4 count, with concentrated epidemics and where the option of alternative feeding is safe, option B may still be considered (Table 1).12 This WHO programmatic update 2012, suggests that option B and specifically B+ are preferable over option A.13 Both B and B+ start women on a triple ARV regimen which carries more assurance that those eligible for INK 128 datasheet treatment will get a fully suppressive regimen. The ability to use the same regimen for ART and PMTCT simplifies drug forecasting, procurement, supply and stock monitoring and is less confusing for the women.13 Option B+ has several advantages such as not requiring CD4 counts to determine eligibility for ART or to decide whether or when ADAMTS5 to stop once the risk of MTCT is over.5 and 13 It

also offers protection for future pregnancies by remaining on ART from conception as well as offering ongoing protection to sero-discordant couples.5 and 13 Early treatment before women meet the immunological or clinical criteria for ART would have an advantageous affect on their health (65% reduced risk of contracting TB whilst on ART irrespective of CD4 count7) and may reduce drug resistance if they are not starting and stopping ART regularly, especially in areas of high birth rates.9 It also reinforces the message that ART is intended for lifelong treatment and therefore may improve compliance.9 Results from Malawi where option B+ has been implemented since the third quarter of 2011, show that there has been a dramatic increase in the number of new ART initiations in pregnant women from the 4th quarter of 2011 through to 2012.

, 2010) Until now, sulfonate surfactants have been widely adopte

, 2010). Until now, sulfonate surfactants have been widely adopted as flooding agents in China (She et al., 2011). Biodegradation of hydrocarbon in petroleum reservoirs has adversely affected the majority of the world’s oil, making recovery and refining of that oil more costly (Jones et al., 2008). Microorganisms isolated from formation waters play a key role in the subsurface hydrocarbon degradation, however, the specific pathway occurring in oil reservoirs remains

poorly defined (Zhang et al., 2012). Previously, we isolated and characterized three indigenous microorganisms Enzalutamide cell line from a petroleum reservoir after polymer flooding (She et al., 2011). To further the characterization of microorganisms in petroleum reservoir after chemical flooding, currently, we isolated a Brevibacillus agri strain 5-2 (= CGMCC 5645) from a mixture of formation

water and petroleum in Changqing oilfield, China. Phylogenetic tree clearly showed that B. agri type strain NRRL NRS-1219 is most closely related to the strain 5-2 ( Fig. S1). Interestingly, strain 5-2 growing aerobically with tetradecane and hexadecane as the sole carbon, and was also found to have a capacity for metabolizing sulfonate. Previous studies GSI-IX cost have documented the capability of hydrocarbon biodegradation in Brevibacillus borstelensis strain 707 ( Hadad et al., 2005), Brevibacillus sp. strain PDM-3 ( Reddy et al., 2010) and Brevibacillus panacihumi strain W25 ( Wang et al., 2014). However, no metabolism pathways involved in petroleum degradation was further characterized in B. agri. Therefore, B. agri strain 5-2 was subjected to the whole genome sequencing

for genomic analysis, and this can add more knowledge about the potential industrial applications of B. agri. The draft genome sequence of B. agri 5-2 strain was performed Erythromycin by using Illumina Hieseq 2000 genomic sequencer at BGI (Shenzhen, China). One 500-bp insert-size DNA library was generated then sequenced with Illumina Hiseq 2000 by using 2 × 100 bp pair end sequencing strategy. Filtered clean reads were assembled into scaffolds using the Velvet version 1.2.07 ( Zerbino and Birney, 2008), PAGIT flow was used to prolong the initial contigs and correct sequencing errors ( Swain et al., 2012). Predict genes were identified using Glimmer version 3.0 ( Delcher et al., 2007), tRNAscan-SE version 1.21 ( Lowe and Eddy, 1997) was used to find tRNA genes, whereas ribosomal RNAs were found by using RNAmmer version 1.2 ( Lagesen et al., 2007). KAAS server ( Moriya et al., 2007) was used to assign translated amino acids into KEGG Pathway with SBH (single-directional best hit) method ( Kanehisa et al., 2008). Translated genes were aligned with COG database ( Tatusov et al., 2003) using NCBI blastp (hits should have scores no less than 60, e value is no more than 1e-6).