Compound (R)-5; Rf = 0 44 (20:80 ethyl acetate/hexane); off white

Compound (R)-5; Rf = 0.44 (20:80 ethyl acetate/hexane); off white semi-solid; [α]D25 = −25.33 (c = 0.03 g/100 mL); 1H NMR (400 MHz, MeOD) δ: 2.63 (1H, dd, J = 10.7, 13.3 Hz, H-9a), 2.70-2.72 (1H, m, H-3), 3.15 (1H, dd, J = 4.0, 13.5 Hz, Screening Library molecular weight H-9b), 3.82 (3H, s, Ar–OCH3-7), 3.87 (3H, s, Ar–OCH3-5), 4.10 (1H, dd, J = 6.9, 11.2 Hz, H-2b), 4.27 (1H, dd, J = 3.9, 11.2 Hz, H-2a), 6.06 (1H,

s, H-6), 6.07 (1H, s, H-8), 6.80 (2H, d, J = 8.4 Hz, H-2′,6′), 7.07 (2H, d, J = 8.4 Hz, H-3′,5′); 13C NMR (100 MHz, MeOD) 32.1 (CH2, C-9), 48.5 (CH, C-3), 55.0 (OCH3, C-7), 55.9 (OCH3, C-5), 68.9 (CH2, C-2), 92.9 (CH, C-8), 93.2 (CH, C-6), 105.3 (C, C-4a), 115.5 (CH, C-3′,5′), 130.2 (C, C-1′), 130.3 (CH, C-2′,6′), 154.5 (C, C-4′), 162.6 (C, C-7), 165.0 (C, C-8a), 165.9 (C,

C-5), 191.7 (C, C-4); HRMS (EI) calcd for C18H19O5 315.1154, found 315.1226. Compound (S)-5; Rf = 0.44 (20:80 learn more ethyl acetate/hexane); off white semi-solid; [α]D25 = +25.66 (c = 0.03 g/100 mL); 1H NMR (400 MHz, MeOD) δ: 2.64 (1H, dd, J = 10.4, 13.5, H-9a), 2.69-2.70 (1H, m, H-3), 3.14 (1H, dd, J = 4.1, 13.4 Hz, H-9b), 3.82 (3H, s, Ar–OMe-7), 3.86 (3H, s, Ar–OMe-5), 4.11 (1H, dd, J = 4.2, 7.0 Hz, H-2b), 4.27 (1H, dd, J = 3.9, 11.2 Hz, H-2a), 6.06 (1H, s, H-6), 6.07 (1H, s, H-8), 6.80 (2H, d, J = 8.4 Hz, H-2′,6′), 7.07 (2H, d, J = 8.4 Hz, H-3′,5′); 13C NMR (100 MHz, MeOD) 32.1 (CH2, C-9), 48.5 (CH, C-3), 55.0 (OCH3, C-7), 55.9 (OCH3, C-5), 68.9 (CH2, C-2), 92.8 (CH, C-8), 93.2 (CH, C-6), 105.3 (C, C-4a), 115.5 (CH, C-3′,5′), 130.1 (C, C-1′), 130.2 (CH, C-2′,6′), 154.7 (C, C-4′), 162.6 (C, C-7), 165.0 (C, C-8a), 165.9 (C, C-5), 191.9 (C, C-4); HRMS (EI) calcd for C18H19O5 315.1154, found 315.1220. Compound (R)-5, (S)-5 and the racemate were assessed for their potential anti-inflammatory activity. Ethical approval (003/09/Animal)

from the University of KwaZulu-Natal Dipeptidyl peptidase Animal Ethics subcommittee was obtained prior to the investigation of acute croton oil-induced auricular dermatitis in a mouse model. Guidelines by the University of KwaZulu-Natal Animal Ethics Subcommittee and Biomedical Resources Unit for the maintenance and treatment of laboratory animals were followed. Eight-week old male Balb/c mice of approximately 30 g each were used.

X-ray diffractogram of pure candesartan [Fig  4(a)] shows the pea

X-ray diffractogram of pure candesartan [Fig. 4(a)] shows the peaks appearing at 10.2, 17.4, 20.5, 23.5 2θ values supporting crystalline nature of drug while the liquisolid powder X-ray diffraction pattern [Fig. 4(b)] showed only one sharp diffraction peak at 2θ angle of 22.5 belonging to Avicel PH 102, indicating that only Avicel PH 102 maintained its crystalline state.14 Such absence of candesartan cilexetil constructive reflections (specific peaks) in the liquisolid X-ray diffractogram indicates that drug has almost entirely converted from crystalline to amorphous or solubilized form. As shown in Fig. 5, Compound C DSC thermogram of the drug (A) depicts a sharp

endothermic peak at 164 °C corresponding to the melting transition temperature and decomposition candesartan cilexetil. Such sharp endothermic peak signifies that candesartan cilexetil used

was in pure crystalline state. On the other hand, physical mixture (B) and the liquisolid system (C) thermogram displayed complete disappearance of characteristic peak of candesartan cilexetil; a fact that agrees with the formation of drug solution in the liquisolid powdered system, i.e. the drug was molecularly dispersed within the liquisolid matrix. Such disappearance of the drug peak in formulation of the liquisolid system was in agreement with Mura et al15 who declared that the complete suppression of all drug thermal features, undoubtedly indicate the formation of an amorphous solid solution. The SEM outcomes presented in Fig. 6 4-Aminobutyrate aminotransferase further VE821 proved the results of both DSC and XRD. The scanning electron micrographs illustrate that pure candesartan cilexetil has clearly crystalline nature as previously proven by the DSC and XRD, further, the photomicrographs of the final liquisolid system signify the complete disappearance of candesartan cilexetil crystals, a fact that indicates that the drug was totally solubilized in the liquisolid system. Thickness of liquisolid compacts ranged from 2.04 ± 0.09 to 6.65 ± 0.01 mm

and diameter of all the liquisolid compacts was found to be in the range of 12.34 ± 0.01 to12.37 ± 0.01 mm. Hardness was found to be in the range of 2.1 ± 0.41 to 5.9 ± 0.41 kg/cm2 as shown in Table 4. It is seen that as the amount of Avicel goes on increasing, hardness also increases. With decrease in R values, hardness was decreased. This low hardness could be attributed to the less amount of added Avicel and poor compressibility of Aerosil. The hydrogen bonds between hydrogen groups on adjacent cellulose molecules in Avicel PH 102 may account almost exclusively for the strength and cohesiveness of compacts according to Shangraw. 16 Weight variation test were performed as per IP.12 All the tablets were within the range of Pharmacopoeial specifications as shown in Table 5.

Dengue virus, a mosquito-borne emerging or re-emerging pathogen b

Dengue virus, a mosquito-borne emerging or re-emerging pathogen belongs to the family flaviviridae. There are four distinct serotypes of dengue

(1–4) 1 that infect humans, causing diseases ranging from acute self-limiting febrile illness to life-threatening dengue hemorrhagic fever and Dengue Shock Syndrome. 2 and 3 In the past decade, more than 50–100 million human were infected 4, 5 and 6 causing 24,000 deaths every year, 7 neither vaccine nor antiviral Palbociclib supplier therapy is licensed for the prevention or treatment of dengue virus infections. 8 and 9 Other medically important flaviviruses, West Nile virus, yellow fever virus, Japanese encephalitis virus and tick-borne encephalitis virus also cause significant human mortality and morbidity. 10 Single-stranded flaviviral genome of dengue

virus is approximately 11 kb in length. The genome encodes three structural proteins Capsid (C), Pre-membrane (P), and Envelope (E), in addition to seven non-structural proteins (NS1, NS2A, NS2B, NS3, NS4A, NS4B, and NS5). 11 NS5 is the largest and most highly conserved flaviviral protein, with greater than 75% sequence identity PD0332991 order in dengue 1–4 serotypes. NS5 is particularly important for viral replication, it functions as an RNA-dependent RNA polymerase (RdRp) 12 and 13 and N-terminal domain contains S-Adenosyl-l-Methionine (SAM) dependent methyltransferase (MTase) activity. 14 MTase plays key roles in normal physiology and human infection through methylating DNA, RNA and proteins. 15, 16 and 17 The enzyme has two specific binding sites; the position of SAH indicates the binding site of the methyl donor, SAM. RNA cap analogs bind Astemizole to a shallow second pocket formed between sub domains 1 and 2 (Fig. 1). The two binding sites are connected by a common Y-shaped cleft which suggests the placement of capped RNA along the cleft positioning the first RNA nucleotide close to SAM compatible

with 2′-O-methylation.18 The binding site of SAM, SAH and RTP is conserved among Flavivirus MTases, but not among the host SAM-utilizing enzymes. The earlier studies indicated that the binding pockets are functionally important for both MTase function and viral replication. The inhibitors developed so far are not specific to the Flavivirus MTase, resulting in toxicity. Currently no clinically approved antiviral therapy is available for treatment of Flavivirus-associated diseases. 18, 19, 20, 21, 22, 23 and 24 So far, the computational techniques were employed for identification of the novel lead molecules to inhibit dengue virus MTase,19 in which the SAM binding site and RNA cap were considered for docking study using Auto dock software package. Further, cyclopentapeptide inhibitors were discovered for the both sites using high throughput virtual screening and structure-based ligand design methods.20 Moreover, 5 million commercially available compounds were screened against the two binding sites of this enzyme independently.

The regression

The regression ABT-199 manufacturer analyses of possible prognostic factors at baseline for persistent complaints could not identify a strong predictor for the outcome at the 12 month follow-up.

The analyses for the prognosis in the subgroup of non-recovered participants at 3 months follow-up showed that factors from the 3 month questionnaire can better predict the outcome than the factors from the physical examination at 3 months. At 12 months, 28% of the participants reported at least one re-sprain, which is in line with earlier studies reporting that 29% (Holme et al 1999) and 54% (Wester et al 1996) of the participants receiving usual care sustained a re-sprain at approximately 12 months follow-up. In our study, 49% of the participants were regarded as recovered at 12 months. This is comparable with the outcome of a recent systematic review showing that Screening Library clinical trial 36% to 85% of the patients reported full recovery at 2 weeks to 36 months follow-up after ankle sprain injuries (van Rijn et al 2008). The wide recovery

range found in the different studies could be related to the definition of recovery. A widely used and accepted definition of recovery would therefore be very useful for future studies. Several studies investigated pain after a lateral ankle sprain (Moller-Larsen et al 1988, Nilsson 1983, O’Hara et al 1992). The proportion of patients experiencing pain after at least 12 months ranged from 5% to 33% (van Rijn et al

2008). Our study results are similar to these findings, but only 8% of our participants tuclazepam reported pain during walking while 22% still experienced some pain during running at 12 months. We did not find prognostic factors at baseline for the prediction of outcome at 12 months of follow-up. None of the 11 possible prognostic factors was univariately associated with any of the outcome measures. The fact that we did not find any significant association could be related to the small number of participants included in the analyses. Further, it might be possible that there are other prognostic factors, not included in our analyses, which can predict the outcome at 12 months follow-up. To our knowledge, the study from Linde and colleagues (1986) is the only study evaluating prognostic factors for incomplete recovery and re-sprains. In this study, sporting activity at a high level (training ≥ 3 times per week) was a significant prognostic factor for residual symptoms compared with sporting activity at a low level (training < 3 times per week) and no sporting activity. Unfortunately, our questionnaire did not include detailed questions about the sporting activities of the participants. However, we did ask the participants if the ankle was loaded during their sporting activities, and this factor does not appear to have a positive or negative influence on recovery, re-sprains, or pain among our participants.

Where insufficient data were reported, first authors were contact

Where insufficient data were reported, first authors were contacted by email to request data. The PEDro scale was used to assess trial quality and it is a reliable CT99021 clinical trial tool for the assessment of risk of bias of randomised controlled trials in systematic reviews.14 The PEDro scale consists of 11 items, 10 of which contribute to a total score.12 In the

present review, PEDro scores of 9 to 10 were interpreted as ‘excellent’ methodological quality, 6 to 8 as ‘good’, 4 to 5 as ‘fair’, and < 4 as ‘poor’ quality.15 Two reviewers (DS and ES) independently assigned PEDro scores and any disagreements were adjudicated by a third reviewer (TH). The number of participants, their ages and genders, and the types of cardiac surgery were extracted for each trial. The country in which each trial was performed was also extracted. To characterise the preoperative interventions, the content of the intervention, its duration and the health professional(s) who http://www.selleckchem.com/products/Bosutinib.html administered it were extracted for each trial. The data required for meta-analysis of the outcome measures presented in Box 2 were also extracted

wherever available. Meta-analysis aimed to quantify the effect of preoperative intervention on the relative risk of developing postoperative pulmonary complications, on time to extubation (in days), and on the length of stay in ICU and in hospital (also in days). An iterative analysis plan was used to partition out possible heterogeneity in study results by sub-grouping studies according to independent variables of relevance, eg, age, type of

intervention or type of outcome. Due to the differences in clinical populations and therapies being investigated across the studies, random effects meta-analysis and meta-regression models were used. The principal summary measures used were the pooled mean difference (95% CI) and the pooled relative risk (95% CI). Where trials included multiple intervention groups, the meta-analyses were performed using the outcome data of the most-detailed intervention group. Sensitivity Mannose-binding protein-associated serine protease analyses were conducted for length of stay using meta-regression to examine: the influence of population differences (age as a continuous variable); study design (randomised versus quasi-randomised); global geographical region (Western versus Eastern); intensity of education (intensive, defined as anything more than an educational booklet, versus non-intensive, defined as a booklet only); and type of intervention (breathing exercises versus other). Thresholds for sensitivity analyses were defined according to median values (eg, age) or defined using investigator judgment and clinical expertise. Two studies could only be included in analyses for outcomes assessable until time to extubation, as they provided postoperative physiotherapy intervention following extubation in ICU.16 and 17 To aid interpretation of the effect on postoperative pulmonary complications, the relative risk reduction and number needed to treat were also calculated.

An additional outstanding issue that should also be addressed in

An additional outstanding issue that should also be addressed in future studies is whether progressive resistance training alone can change physical activity levels. Progressive resistance training is one possible exercise and recreation option for adolescents with Down syndrome. Previous studies have investigated the effectiveness of other exercise options in this population such as aerobic training and circuit training (Khalili and Elkins 2009, Millar et al 1993, Weber and French 1988). The predominance of males who volunteered to participate in the current study might suggest that it is more socially desirable

for males to take part in progressive resistance training. The prevalence of Down syndrome is approximately 10% higher among males than females (Shin et al 2009), so more males self-selected into this study than would be expected on the basis Galunisertib clinical trial of population distribution alone. In conclusion, progressive resistance training led by physiotherapy student

mentors and performed in a community gymnasium is a feasible, socially desirable, and safe exercise option for adolescents with Down syndrome that can lead to improvements in lower-limb muscle selleck products performance. This trial provides important data that justify a future randomised trial to ascertain whether progressive resistance training carries over into an improved ability for adolescents with Down syndrome to complete daily tasks and physical activities. eAddenda: Table 3 available at www.jop.physiotherapy.asn.au Ethics: The trial received ethics approval from the La Trobe University Human Ethics Committee (08–024). Written informed consent to the research was obtained from the parents of all participants. Support: Windermere Foundation. The authors acknowledge the contributions of all the participants and their families. Competing interests: None declared. “
“Post-stroke shoulder pain is a frequent and disabling condition that has been reported in up to 85% of people who attend rehabilitation

(Bender and McKenna 2001, Turner-Stokes and Jackson 2002), and in one-third of stroke survivors in general (Lingdgren et al 2007, Ratnasabapathy et al 2003). Moderate ever to severe levels of pain are often reported (Lingdgren et al 2007), which can restrict participation in daily activities and rehabilitation, and degrade quality of life (Bender and McKenna 2001, Chae et al 2007). Many factors are proposed to contribute to poststroke shoulder pain, but these are not well understood. This limits effective management of this disabling condition (Bender and McKenna 2001, Turner-Stokes and Jackson 2002). Clinicians need a thorough understanding of the factors that increase the risk of post-stroke shoulder pain in order to identify patients at risk and implement strategies to prevent and manage this disabling condition (Nicks et al 2007, Turner-Stokes and Jackson 2002).

8 The leaves, roots, bark, and fruits have all been used medicina

8 The leaves, roots, bark, and fruits have all been used medicinally to treat a wide range of ailments. These include, but are not limited to, diabetes, diarrhea, hypertension, malaria, pain, and tropical infections. The fruits are also eaten as a food, but primarily only in times of famine. 9 However, Lucas interpreted elements of the following ancient Hawaiian chant (recorded in 1861 about the interactions between the Gods Kamapua’a and Pele) as evidence that Noni fruit was once eaten in times of famine. 10 Kamapua’a chanted as follows: “I have come now from Puna. Liver is a major site of endogenous glucose production

with a minor contribution to kidney, produces Selleck Z VAD FMK glucose by glycogenolysis and gluconeogenesis. Numerous studies have provided prominent indication that learn more hepatic glucose production theaters an authoritative role in the development of fasting hyperglycemia in diabetes. The enzymes that regulates hepatic glucose metabolism are potential targets for controlling endogenous glucose production and thereby blood glucose levels in diabetes. Hence, the present study was premeditated to gauge the regulatory effect of ethanolic extract of Mengkudu fruit (MFE) on blood glucose, glycogen, glycosylated hemoglobin, plasma insulin and C-peptide levels and glucose metabolic rate limiting enzymes such as hexokinase, pyruvate kinase, LDH, glucose-6-phosphatase,

fructose-1, 6-bisphosphatase, glucose-6-phosphate dehydrogenase, isocitrate dehydrogenase, α-ketoglutarate dehydrogenase, succinate dehydrogenase, malate dehydrogenase, glycogen synthase and glycogen phosphorylase in hepatic and renal tissues in STZ induced experimental diabetes in rats. Figure options Download full-size image Download as PowerPoint slide The above images

represent ripened Mengkudu fruit. Fresh fruits of M. citrifolia were collected from its natural habitat in the Center for Organic Indian Noni, Madurantakam, Tamil Nadu, India and were authenticated viz. ETARC 03/07-2008. The seeds were selectively removed and the edible part was chopped into small pieces, dried no at 50–60 °C, and ground into powder. Known amount of dry powder was repeatedly extracted by the process of maceration in an aspirator using 95% ethanol as menstruum. The extract was concentrated under reduced pressure by rotary evaporator to obtain thick syrup mass, and stored at 4 °C. The yield was approximately 20% of fresh fruit. Working concentrations of the extract were made in nonpyrogenic distilled water before use in the experiments. Animal experiments were reviewed and approved by the Institutional Animal Ethics Committee. (Approval no. 01/022/08). Male Wistar albino rats weighing 160–180 g procured from Tamilnadu Veterinary and Animal Sciences University, Chennai, India were used. The rats were acclimatized and maintained over husk bedding in polypropylene cages in the central animal house facility of the institution.

The virosomal trivalent subunit vaccine was exclusively distribut

The virosomal trivalent subunit vaccine was exclusively distributed in four VAHNSI HSAs (Hospital de Xativa-Ontinyent, Hospital San Juan de Alicante, Hospital General de Elda, and Hospital General de

Alicante), whereas the trivalent split intradermal vaccine was exclusively distributed in five other VAHNSI HSAs (Hospital General de Castellon, Hospital de la Plana, Hospital Arnau de Vilanova, Hospital La Fe, and Hospital Dr Pesset) [14]. Vaccination targeted people 65 and older during the vaccination program (which ran from 1 October 2011 and 30 November 2011) [14]. Individuals were considered immunized if their vaccination record in the Vaccine Information System,

an electronic database that stores vaccination records Trichostatin A concentration from both public www.selleckchem.com/products/blu9931.html and private vaccination facilities, indicated administration of vaccine at least 15 days prior to the date of hospitalization. An influenza-related hospitalization case was defined by at least one of the following: (1) a main discharge diagnosis for hospital admission of influenza (ICD-9-CM: 487–488.89), at least 15 days following the date of vaccination, between 1 October 2011 and 31 March 2012, or (2) admissions identified through the VAHNSI scheme between 3 November 2011 and 31 March 2012, at least 15 days following the date of vaccination, and positive for influenza by a real-time PCR assay as previously Montelukast Sodium described [21], or (3) influenza positive specimens from patients hospitalized between 1 October 2011 and 31 March 2012 reported to the RedMIVA [18] and hospitalized at least 15 days following the date of vaccination. We used several VHA information

systems to search socio-demographic and clinical data: (1) the hospital CMBD electronic records, (2) the Population Information System, which provides an identification number for each person under VHA coverage and registers demographic characteristics, as well as dates and causes of VHA discharge, including death, and (3) the pharmaceutical module GAIA which includes information on pharmacy claims. We identified the following variables: age at study entry (1 October 2011), sex, country of birth (coded as Spain or other), the HSA of patient residence, seasonal influenza and pneumococcal vaccination in the previous 3 years, type of VHA coverage, and total number of hospitalizations from 1 October 2010 to 30 June 2012. The presence and severity of chronic medical conditions was ascertained based on pharmacy claims from 1 January 2011 to 31 December 2011 for each study subject. In brief, dispensed drugs from any therapeutic class (anatomical therapeutic chemical (ATC) classification) were identified using the GAIA pharmaceutical module.

Lastly, the external validity of the findings were based on a com

Lastly, the external validity of the findings were based on a community-based cohort within a universal healthcare system rather than recruitment from a single centre. Some limitations also warrant recognition, in particular, defining diabetes

status in this cohort. Diabetes was determined by self-report, chart review or both. In particular, 12 (20%) participants with diabetes documented in the chart did not report having diabetes. The preoperative assessment was performed during the month prior to surgery and it is possible that some of these participants were newly diagnosed. Nevertheless, a small degree of misclassification of diabetes is a limitation that needs to be recognised. GW-572016 ic50 There was a relatively small subgroup of participants who reported that diabetes impacted on their routine activities, yet they had a large and statistically significant effect in the univariate and multivariable models for WOMAC pain and function scores. Although this was a community-based study that included three hospitals and 29 surgeons, the small number of participants with diabetes may be due, in part, to only those who were this website medically fit being recommended for this elective surgery. The findings from this study indicate that diabetes, along with other associated comorbid conditions, is complex and burdensome. Knowing which conditions account for the amount of impairment during recovery will provide direction

to institute treatment priorities, both within the hospital and community settings. Physiotherapy after total joint arthroplasty is effective during the post-discharge recovery period44 and 45 and providing targeted treatment for a subset of people who are at risk of slower recovery may maximise their rehabilitation potential. To identify that subset, physiotherapists can simply ask during preoperative screening whether diabetes impacts on routine activities. People who are identified in this way can be monitored more closely over the 6 months following

surgery. What is already known on this topic: People undergoing a total knee arthroplasty who also have diabetes are at increased risk of surgical complications, systemic complications, prolonged hospitalisation and mortality. What this Astemizole study adds: Diabetes is also associated with slower resolution of pain and recovery of function after total knee arthroplasty, but only if the diabetes is severe enough that the person perceives preoperatively that it impacts on the completion of routine daily activities. Physiotherapists can therefore prospectively identify people who are at risk of slower recovery after total knee arthroplasty simply by asking those with diabetes if their diabetes impacts on their daily activities. eAddenda: Table 2 can be found online at doi:10.1016/j.jphys.2014.09.006 Ethics approval: The Health Research Ethics Board at the University of Alberta approved this study.

28 Activated toxins bind to the target protein/s (specific recept

28 Activated toxins bind to the target protein/s (specific receptor molecules), insert into the cell membranes and create pores, resulting in osmotic imbalance and ultimately lyses of midgut epithelial cells 29 and the eventual death of the host. 30 The brush border membranes of susceptible insects possess specific receptor molecules which play important roles in the insecticidal specificities of Cry1 type toxins. 31 Bt toxin Cry1Ac was found to bind the recombinant peptides selleck chemical corresponding to extracellular regions of a cadherin

protein (BtR) in a major cotton pest, Pectinophora gossypiella. 32 At least four different binding sites have been described for Cry1A toxins in different lepidopteran insects: a cadherin-like protein (CADR), a glycosylphosphatidyl-inositol (GPI)-anchored aminopeptidase-N

(APN), a GPI-anchored alkaline phosphatase (ALP) and a 270 kDa glycoconjugate. 33 Alkaline phosphatase has also been proposed as Cry1Ac receptor. 34 List of receptors for Cry1 halotype protoxins in some organisms are given in Table 3. cry1Aa gene is a typical example of a sporulation-dependent cry gene, expressed only in the mother cell compartment of B. thuringiensis. Two overlapping transcription start sites have Panobinostat cell line been mapped; defining two overlapping promoters (BtI and BtII) which are used sequentially. 41 BtI is active between about T2 and T6 of sporulation and BtII is active from about T5 onwards (where Tn is n hours after the end of the exponential phase). Two sigma factors, σ35 and σ28,

that specifically direct transcription of cry1Aa from BtI and BtII, respectively were isolated. In vitro transcription experiments have also indicated that other cry genes (e.g. cry1Ba) contain either BtI alone or BtI with BtII. 42 and 43 The genes encoding σ35 and σ28 have been cloned and sequenced. 44 Their deduced amino acid sequences had showed 88 and 85% identity with σE and σK of Bacillus subtilis respectively. The σE and σK factors of B. subtilis are activated during the sporulation stage. 45B. thuringiensis σE and σK (encoding sigma 35 and sigma 28, respectively) mutants were constructed and cry1Aa gene expression was analyzed in these mutants. 46 The results indicated that these two sigma factors regulated expression of a cry1Aa9-9lacZ transcriptional fusion in vivo. The σK mutant Carnitine palmitoyltransferase II produced about 50% less β-galactosidase than the wild-type strain whereas no β-galactosidase synthesis was obtained in the σE mutant. The latter result was anticipated as σE controls σK synthesis. Consensus sequences of promoters recognized by B. thuringiensis RNA polymerase containing σE or σK have been deduced from the alignment of the promoter regions of these genes. 47 The results indicate that the transcription of cry1Ba is likely to be σE or σK dependent. The mRNAs encoding the crystal proteins have average half-lives of 10 min.