Nine (2%) needed treatment in high dependency or intensive care u

Nine (2%) needed treatment in high dependency or intensive care units (four with P. falciparum malaria, two septicemia, two pneumonia, one leptospirosis). Significant complications developed in 19 patients (4%). One patient died of P. aeruginosa septicemia. In the multivariate model, potentially life-threatening illness was associated with older age (≥40 years, OR 2.3, 95% CI 1.4–3.8), having a baseline CRP value ≥100 (OR 3.6, 95% CI 2.0–6.4), platelet count ≤140 (OR

3.8, 95% CI 2.0–7.2), and a white blood cell count ≥8 (OR 2.0, 95% CI 1.2–3.5). Patients with gastrointestinal symptoms were less likely to be diagnosed with a life-threatening illness (OR 0.4, 95% CI 0.2–0.6). There was no independent association between life-threatening illness and region of birth, duration of travel, muscle or joint www.selleckchem.com/products/AZD8055.html symptoms, or urinary tract symptoms. Risk factors for malaria and septicaemia as compared to other final diagnoses are presented in Table 3. The present data, while confirming several findings of previous studies, provide additional information useful in the diagnostic approach to returning travelers with fever. To retrospectively identify returned travelers with fever,

requests for malaria smear were considered an accurate approach: Veliparib datasheet doctors on duty are aware of the national recommendation to request a malaria smear from all febrile travelers who have returned from malaria-endemic

areas. The first 10 patients each month were included to ensure even distribution throughout the year. Although the most common destination of Finnish tourists is Thailand, patients in the MEK inhibitor present study most commonly had visited Sub-Saharan Africa. The classification of potentially life-threatening illnesses was created by the study group as a tool to evaluate if the selection of patients referred to tertiary care was accurate. The classification is naturally ambiguous but a rather strict definition was preferred. Those included were not representative of all febrile travelers, but patients referred to a tertiary hospital. Accordingly, the proportion of those with a potentially life-threatening illness was high. High dependency or intensive care treatment was needed for 2%, consistent with the findings of Bottieau and colleagues.9 Hospitalization proved more common (54%) than in other reports (26%–27%),5,9 which may partly be explained by the national guidelines advising to observe febrile travelers with strong suspicion of malaria until a sufficient number of malaria smears has been collected. The median length of hospitalization (5 days) in our study was similar to that in other reports (4–5 d).8,9 The final diagnosis differed from the working diagnosis in 55%, and from the discharge diagnosis in 25%.

It has been identified previously as an osmolyte in methanogenic

It has been identified previously as an osmolyte in methanogenic Archaea (Robertson et al., 1990, 1992; www.selleckchem.com/products/ABT-263.html Lai et al., 1991; Roberts, 2005) and also in three genera of Bacteria: the marine gammaproteobacterium Alteromonas luteoviolacea (Henrichs & Cuhel, 1985), several species of the actinobacterial genus Nocardiopsis (Galinski & Trüper, 1994; DasSarma & Arora, 2002) and the anoxigenic phototrophic bacterium Thiohalocapsa halophila DSM 6210T (Severin et al., 1992). Anionic solutes, such as α-glutamate and β-glutamate, have been considered

to be counterions for elevated intracellular K+ concentration (Roberts, 2005). In addition, the most prominent 13C chemical shifts (at salinities >3%) in NMR data were consistent with the accumulation of a compound that was previously unknown as a compatible solute in Bacteria, tentatively identified as NeABL according to connectivities in 2D-NMR experiments and 13C DEPT-135 data. 1H–13C HMQC data allowed determining the correlation between 1H and 13C shifts detected on corresponding spectra for such compounds (Supporting Information, Fig. S1). Other connectivities derived from a 1H–1H COSY indicated both CH2-CH(N)-CH2 (asymmetric carbon in β-position) and -NCH2-CH2- moieties as well AZD8055 as the CH3CO group (Fig. S2), which was further assigned to the ɛ-position by means of 1H–13C HMBC experiments, because a cross-peak

was detected between the proton in the ɛ-position (CH2 resonance at 3.20 p.p.m.) and the carbonyl of the acetyl group (13C shift at 176.7 p.p.m.)

(Fig. S3). ESI-MS analyses from collected fractions of a desalted aqueous cell extract showed a molecular peak at m/z 188.5 for the suspected compound (Fig. S4). Therefore, the molecular formula of C8H16N2O3 was proposed. The observed MS signals proved to be consistent with the theoretical isotope pattern of this molecule. Subsequently, the proposed structure was confirmed through its chromatographic preparation and purification (Figs S5–S8). http://www.selleck.co.jp/products/Neratinib(HKI-272).html Both 13C and 1H chemical shifts of the purified compound as well as its 1H–1H (COSY) connectivities (Fig. 2) were also consistent with the proposed structure corresponding to NeABL. Both isolated and type GSB strains were cultured in media with different NaCl concentrations to determine differences in the composition of major compatible solutes from 13C-NMR spectra. Although GSB species had essentially the same cocktail of compatible solutes, changes in the relative intensity of signal in NMR results suggested that different ratios among these compounds occurred in different strains and salt concentrations. Thus, anionic solutes, either l-α-glutamate or β-glutamate, would be the main organic compounds accumulated for osmotic balance at a low NaCl content (3%) (Fig. 1).

At

least half the people living with HIV have serum marke

At

least half the people living with HIV have serum markers of previous hepatitis B virus (HBV) infection [56]. Occult hepatitis B, in which there is viral replication in see more the absence of surface antigen, is well documented in HIV-positive patients [57,58]. Reactivation of HBV and a rise in HBV DNA can occur at low CD4 cell counts, and has been documented in both HIV-positive and HIV-negative patients receiving immunosuppressive chemotherapy [59–66]. In one study of HBV surface antigen, of the HIV-positive patients treated with chemotherapy for lymphoma who did not receive antiviral prophylaxis, 32% experienced HBV reactivation of whom 41% progressed to fatal fulminant hepatitis [67]. The risk of HBV reactivation appears to be particularly high in patients treated with rituximab containing chemotherapy regimens [68]. PI3K inhibitor The use of prophylactic lamivudine in people at risk of HBV reactivation who were treated for lymphoma with chemotherapy reduces the incidence of HBV reactivation, severe hepatitis and the disruptions to chemotherapy compared to historical controls [69]. A meta-analysis of 14 studies involving a total of 275 at-risk patients receiving chemotherapy who were treated with prophylactic lamivudine showed that it reduced the risk of HBV reactivation

and HBV-related hepatitis by 80–100% [70]. Patients with antibodies against hepatitis B core antigen (HBcAb) should be treated with prophylactic antivirals in line with BHIVA hepatitis guidelines (level of evidence 1B) [71] and this should be continued for at least 6 months after completion of anticancer therapy [72]. People living with HIV and malignancies should receive immunizations in line with the BHIVA immunization guidelines [55] and those who have had a splenectomy should receive vaccinations and antibiotic prophylaxis in line with national asplenism

guidelines [73]. We recommend that all patients with AIDS-defining malignancies should start HAART (level of evidence 1B). We suggest that all patients with non-AIDS-defining malignancies who are due to start chemotherapy or radiotherapy should be started on HAART unless contraindicated (level of evidence 2C). We recommend that prophylaxis against Pneumocystis jirovecii pneumonia (PCP) should be started TCL for those who have a CD4 cell count less than 200 cells/μL (level of evidence 1A) and should be considered at higher levels in all patients starting chemotherapy or radiotherapy (GPP). We recommend prophylaxis against MAC for individuals with a CD4 cell count less than 50 cells/μL (level of evidence 1B) and in those whose treatment puts their CD4 count at risk of falling below this level. We recommend that systemic azole antifungal prophylaxis should be used in all patients receiving chemotherapy or radiotherapy for HIV-associated malignancy (level of evidence 1D).

, 1997), both of the pathways for nitrate reduction to ammonia ar

, 1997), both of the pathways for nitrate reduction to ammonia are expressed only during anaerobic growth. Transcription of narGHJI and

nirBD is also activated by the NarX-NarL two-component regulatory system in response to moderate concentrations of nitrate; nirBD, and to a much lesser extent narGHJI, are also activated by the alternative two-component system, NarQ-NarP (Rabin & Stewart, 1993). Classical genetic approaches and more recent whole genome transcriptomic studies have indicated that the cytoplasmic pathway is physiologically more significant only in nitrate-rich environments that might occur in soil, in some highly contaminated sediments, and waste water treatment plants (Potter et al., 1999). In contrast, the transcription of genes for the periplasmic Nap-Nrf pathway Y-27632 is activated by NarQ-NarP in response to low concentrations of nitrate (< 100 μM) JAK inhibitor but are repressed by NarX-NarL when nitrate is abundant (Page et al., 1990).

This indicates that the periplasmic pathway confers a selective advantage for bacterial survival in the nitrate limited environment of the gastro-intestinal tract of humans and other warm blooded animals (Potter et al., 1999; Constantinidou et al., 2006). Based upon the accumulation of very small quantities of nitrous oxide during nitrite reduction, it was assumed that the rate of NO production was two to three orders of magnitude slower than the rate of nitrite reduction (Smith, 1983).

It was predicted that NO was a side product released during PtdIns(3,4)P2 nitrite reduction by either NirBD or NrfA. However, there is an extensive literature showing that the major source of nitrosative stress is NO generated by the interaction of the cytoplasmic nitrate reductase, NarG, with nitrite (reviewed in the accompanying paper by Vine et al., 2011). Realization that enteric bacteria can reduce nitrite to NO re-opened the question whether NO is generated by a single mechanism or by more than one pathway, depending on the conditions under which the bacteria are grown. Specifically, is more NO generated by the membrane-associated nitrate reductase, NarG, by one of the nitrite reductases, NirBD or NrfAB, or by other molybdoproteins that are active during anaerobic growth? The sensitive response of the transcription repressor, NsrR, to NO provides a method to detect the presence of NO in the bacterial cytoplasm (Hutchings et al., 2000; Corker & Poole, 2003; Bodenmiller & Spiro, 2006; Tucker et al., 2008). By coupling an NsrR-regulated E. coli promoter to lacZ expression during anaerobic growth in the presence of nitrite, it was shown that mutations in nirBD or nrfAB resulted in greater expression of lacZ, indicative of the increased accumulation of NO in the cytoplasm (Vine et al., 2011). Conversely, deletion of the narGHJI operon significantly decreased but did not eliminate lacZ expression, indicative of less accumulation of cytoplasmic NO.

Mariana Armada, Dr Adela Stepanska, Dr Renata Gaillyova, Dr Sy

Mariana Armada, Dr. Adela Stepanska, Dr. Renata Gaillyova, Dr. Sylvia Stepanska, Mr. John Dart, Mr. Scott O Sullivan, Dr. David Peñarrocha, Prof. Dr. Tim Wright, Dr. Marie Callen, Dr. Carol Mason, Prof. Dr. Stephen Porter, Dr. Nina http://www.selleckchem.com/products/gsk126.html Skogedal, Dr. Kari Storhaug, Dr. Reinhard Schilke, Prof. Dr. Marco Cornejo,

Dr. Anne W Lucky, Lesley Haynes, Lynne Hubbard, Isabel López and Christian Fingerhuth for their contribution to these guidelines, as it has been detailed on chapter 6. This work was funded by a grant from DEBRA UK. None of the authors declared conflict of interest. Abbreviations EB Epidermolysis bullosa EBS EB simplex JEB Junctional EB DEB Dystrophic EB RDEB Recessive DEB DDEB Dominant DEB RDEB, sev gen Severe generalized RDEB SCC Squamous cell carcinoma The frequency and severity of the oral manifestations of EB vary with the type of disease; however, in general, the oral mucosal lesions of EB comprise vesiculobullous lesions that vary from small, discrete vesicles to large bullae. These lesions can be distributed on all of the mucosal surfaces. Differences exist with regard to the prevalence and severity of oral involvement Copanlisib price among the different

EB types, patients with the generalized RDEB being the most severely affected19,28. The hard tissues also present different involvement depending on the form of EB. Patients with JEB present with generalized enamel hypoplasia, and individuals with RDEB and JEB have significantly more caries when compared with other EB types or unaffected controls, whereas patients with EBS and DDEB do not have an increased caries risk19. Although the most recent classification58 considers two major subtypes and 12 minor subtypes of EBS, most of the literature on the oral aspects of EBS precedes this classifications system;

hence, the following text will consider the oral manifestations of EBS as a group and will only reflect on the subtype when available. Oral ulcers.  Oral mucosal ulceration was described in 2% of patients with EBS in an early report. A more recent case series reported greater involvement, although oral mucosal involvement was not always determined by direct clinical examination but by a history of oral ulceration28. 40.3% of the group of 124 Montelukast Sodium patients with EBS had oral ulcers with 58.6% of those with generalized and 34.7% with localized EB. Oral mucosal involvement was reported to be more common during the perinatal period, but in some patients, it persisted during early childhood or even later (Image 13)28. EBS, localized (EBS-loc) (previously termed EBS Weber-Cockayne) There is some dispute as to the frequency of oral mucosal lesions in EBS-loc. Whereas Sedano59 reported this subtype does not give rise to oral mucosal lesions, Wright28 reported that 34.7% (33/95) of the patient with localized EBS had a history of or presence of oral mucosal blisters at examination.

[40] Concerns were expressed in numerous early studies about the

[40] Concerns were expressed in numerous early studies about the practicalities of operating a system of mandatory

CPD and fears that it would create an ‘exodus from the profession’ or become a ‘form-filling exercise’.[26,30] In one study pharmacists expressed disdain at the introduction of mandatory CPD citing a feeling of intimidation and a compulsion to leave the profession[24] and in another a minority found the process of recording CPD patronising and the intimation of not practising CPD principles in the absence of recording as ‘insulting’, with some (mainly those near retirement) wanting to cease practice and some to focus on practising in just one of the pharmacy sectors.[22] A study Anti-cancer Compound Library datasheet in 2008 identified that the concept of a review by another person was a barrier to CPD.[34] In fact in one study conducted after the introduction of mandatory CPD a minority of participants believed the obligation of CPD in itself was acting as a barrier to their participation in learning.[21] Researchers also investigated opinions about sanctions against those neglecting to meet CPD requirements.[31] While in one study one-fifth of respondents (most of

whom were locums or proprietor pharmacists) stated no action should be taken, with less than 2% suggesting removal from the register,[31] in another study one-tenth of the pharmacists surveyed agreed failure to complete 30 h of CPD should lead to removal from the register.[28] In the latter study, only a little over half the respondents actually agreed to the (perceived) 30 h Niclosamide CPD requirement Selleckchem Sirolimus (which should

have been correctly defined as a 30 h CE requirement) then in operation, with part-time pharmacists, the self-employed, increasing length of registration and those employed in independent pharmacies found more likely to disagree. In the 2008 PARN survey only 7% of respondents thought CPD should not be enforced by the RPSGB.[41] Pharmacy professionals’ perception of system constraints has also appeared as a theme in numerous studies investigating CPD in pharmacy (see Table 8). In one early study pharmacists thought the proposed system was restrictive and should instead permit the employment of the learning activity the pharmacist chooses to pursue.[24] From 2005 onwards, more practical constraints included difficulties with the online system and a leaning towards written records, with one participant intimating that the template in general made the fabrication of entries feasible.[22] More insightful comments concerned the inherent limitations of the online system of Plan & Record in capturing real-practice situations, its ‘cumbersome’ and ‘onerous’ nature, and an interesting view that the template had been designed with assessment in mind rather than learning.[21] A small survey of branch members in 2007 reported Plan & Record was easy-to-use for those engaging with CPD.

[40] Concerns were expressed in numerous early studies about the

[40] Concerns were expressed in numerous early studies about the practicalities of operating a system of mandatory

CPD and fears that it would create an ‘exodus from the profession’ or become a ‘form-filling exercise’.[26,30] In one study pharmacists expressed disdain at the introduction of mandatory CPD citing a feeling of intimidation and a compulsion to leave the profession[24] and in another a minority found the process of recording CPD patronising and the intimation of not practising CPD principles in the absence of recording as ‘insulting’, with some (mainly those near retirement) wanting to cease practice and some to focus on practising in just one of the pharmacy sectors.[22] A study find more in 2008 identified that the concept of a review by another person was a barrier to CPD.[34] In fact in one study conducted after the introduction of mandatory CPD a minority of participants believed the obligation of CPD in itself was acting as a barrier to their participation in learning.[21] Researchers also investigated opinions about sanctions against those neglecting to meet CPD requirements.[31] While in one study one-fifth of respondents (most of

whom were locums or proprietor pharmacists) stated no action should be taken, with less than 2% suggesting removal from the register,[31] in another study one-tenth of the pharmacists surveyed agreed failure to complete 30 h of CPD should lead to removal from the register.[28] In the latter study, only a little over half the respondents actually agreed to the (perceived) 30 h Protein kinase N1 CPD requirement INK-128 (which should

have been correctly defined as a 30 h CE requirement) then in operation, with part-time pharmacists, the self-employed, increasing length of registration and those employed in independent pharmacies found more likely to disagree. In the 2008 PARN survey only 7% of respondents thought CPD should not be enforced by the RPSGB.[41] Pharmacy professionals’ perception of system constraints has also appeared as a theme in numerous studies investigating CPD in pharmacy (see Table 8). In one early study pharmacists thought the proposed system was restrictive and should instead permit the employment of the learning activity the pharmacist chooses to pursue.[24] From 2005 onwards, more practical constraints included difficulties with the online system and a leaning towards written records, with one participant intimating that the template in general made the fabrication of entries feasible.[22] More insightful comments concerned the inherent limitations of the online system of Plan & Record in capturing real-practice situations, its ‘cumbersome’ and ‘onerous’ nature, and an interesting view that the template had been designed with assessment in mind rather than learning.[21] A small survey of branch members in 2007 reported Plan & Record was easy-to-use for those engaging with CPD.

Stimulus parameters are detailed in the companion paper (Rolls et

Stimulus parameters are detailed in the companion paper (Rolls et al., 2003). The results of these experiments have

been reported previously by Rolls (2008) and are not considered further here. However, during the experimental sessions described above, it was noticed Selleckchem Talazoparib that the two animals, when not engaged in specific behavioural tasks, became drowsy and would frequently close their eyes. Concomitant with the onset of eye-closure was the finding that some mPFC neurons either markedly increased or decreased their spontaneous firing rates, whereas the activity of other neurons was unaffected. The studies described here were undertaken to systematically investigate these observations. During the ‘peri-task’ periods referred to above, the monkeys would wax and wane in and out of three readily identified behavioural states: wakefulness [eyes fully open – designated here as Behavioural State (BS) 3]; drowsiness (eyes partially closed for > 3 s; BS2); and sleep (eyes fully closed – BS1). Classification of BS1, BS2 and BS3 was

made by the experimenter from live video images of the monkey displayed on a video monitor placed outside the recording chamber. Electrocorticogram (ECG) recordings in both animals were used to validate the classification procedure (see below). The method is similar to the procedures described by Balzamo et al. (1998) and Rolls et al. (2003), which also used Amisulpride ECG data to define Ivacaftor in vitro ‘awake’ vs. ‘sleep’ states. Such an approach is a reliable and standard method of observing animal behaviour that has been in use since the early days of ethology (Balzamo et al., 1998). The experimental procedure was that every 10 s a mean firing rate (together

with a standard error estimate calculated in 1-s portions of the 10-s period) was calculated and automatically saved by the computer. For each of these 10-s periods the experimenter recorded on a data spreadsheet the mean rate, and the experimenter’s assessment of the behavioural state (BS1, 2 or 3) in that period, using the categories just described. Recordings from 85 of the cells in the above populations revealed responsive neurons in BAs 9, 10, 13 m, 14c, 24b and 32 that significantly altered their firing rates on eye-closure. The recording sites of these cells are shown in Fig. 1C–E. During the recording sessions the animals had access to water ad libitum and some food (nuts, fruit) given by the experimenter. After the recording sessions the animals were returned to their home cages. Electrocorticograms were recorded on two occasions (once in each animal) to confirm that the behavioural states, BS1 and BS3, defined periods when the monkeys were respectively either ‘asleep’ or ‘awake’ – these ECG recordings were obtained using the procedure described by Rolls et al. (2003).

In the week 192 analysis, there

was no statistically sign

In the week 192 analysis, there

was no statistically significant difference in VF rate between treatment arms, with overall superiority the result of more discontinuations because of AEs in the LPV/r group. Sensitivity analyses and analyses by baseline stratification factors have shown the virological response results to be robust and consistent. The statistical superiority of DRV/r over LPV/r in the subset of patients with high baseline HIV-1 RNA levels (≥ 100 000 copies/mL) highlights the potency of DRV, given that it is generally BIBF-1120 considered that this is a subset of patients in whom it is more difficult to achieve complete virological suppression [10, 11]. Superiority (≥ 200 cells/μL) or noninferiority (< 200 cells/μL) in virological response was also observed BIBW2992 concentration according to the CD4 cell count stratification factor. In an analysis where patients were censored out after they discontinued for any reason other than VF, the virological response rate remained higher in the DRV/r arm compared with the LPV/r arm. The statistical superiority, demonstrated at week 192, does also

appear to have been influenced by better tolerability and fewer discontinuations in the DRV/r treatment arm, thus showing safety to be an important contributor to outcome, in addition to antiviral activity. The percentage of self-reported adherent patients (> 95% adherent to PI use) ranged from 82.0 to 89.4% for DRV/r and from 78.3 to 86.1% for LPV/r across time-points up to week 192; there was no statistically significant difference between the treatment groups with

respect to the percentage of adherent patients up to the 192-week endpoint. Statistical superiority of DRV/r over LPV/r was shown in the adherent subgroup (73.3% vs. 61.1%, respectively). The sample next size of the suboptimally adherent subgroups was relatively limited and therefore any conclusions based on such data should be viewed cautiously. Other long-term studies involving treatment-naïve patients have compared other PIs with LPV/r. The 144-week KLEAN study [12] demonstrated noninferiority in virological response (HIV-1 RNA < 50 copies/mL; ITT-TLOVR) of fosamprenavir/r plus an optimized background regimen (OBR) compared with LPV/r plus an OBR. The 96-week CASTLE study [13] compared atazanavir (ATV/r) 300/100 mg once daily with LPV/r 400/100 mg twice daily (both with fixed-dose TDF/FTC 300/200 mg once daily), where ATV/r was shown to be noninferior to LPV/r in virological response (HIV-1 RNA < 50 copies/mL; ITT-TLOVR). The ARTEMIS study has shown not only noninferiority, but also superiority of DRV/r compared with LPV/r in virological response over a longer time period (192 weeks). The efficacy and safety of DRV/r in treatment-naïve patients are to be compared with those of ATV/r or raltegravir, each with TDF/FTC as the background regimen, in a comparative trial (ARDENT; NCT00811954).

, 2011) In each case, the results of the real time PCR method we

, 2011). In each case, the results of the real time PCR method were in excellent agreement with the respective independent method. To give a short overview, genomic DNA was used as a template in a conventional PCR reaction to amplify a fragment of about 1 kbp. A dilution series of this fragment was prepared and used for real time PCR analysis. A fragment of about 300 bp, internal to the standard fragment, was amplified. The results were used to generate a standard curve. To determine the genome copy

number, cells were lysed and a dilution series of the resulting cell extract was analyzed using real time PCR in parallel to the standards. The results allowed calculating the number of genome http://www.selleckchem.com/products/ink128.html copies in the cell extract and, in combination with the cell density of the culture, the ploidy level. The following points have to be optimized for every new species under investigation and were optimized for the three selleck products species of cyanobacteria used in this study: (1) the cell density has

to be quantified with a very low variance, (2) it has to be verified that culture growth is highly reproducible, (3) the method of cell disruption has to be about 100% effective yet leaving the genomic DNA intact, and (4) the real time PCR has to be truly exponential. For cyanobacteria, the method for cell disruption turned out to be the most critical point. Several standard methods (sonification, enzymatic murein digestion, ‘normal shaking’ with glass beads) could not be used, either because the efficiency of cell lysis was too low or because damage of the genomic DNA was too high. Shaking the cells in a Speedmill with 0.1 mm glass beads led to satisfactory results, lysis efficiency http://www.selleck.co.jp/products/CAL-101.html was higher than 90%, and the genomic DNA was only slightly damaged (fragment sizes from 4 kbp to >20 kbp, data not shown). The amount of beads and shaking time were optimized for every species. To exemplify the results, Fig. S1 (Supporting Information) shows one typical example of a real

time PCR analysis (Fig. S1a), a standard curve (Fig. S1b), a melting point analysis, and an analytical agarose gel of the analysis fragments (Fig. S1c, d). At least three independent cultures were analyzed (and each culture was analyzed at least in triplicates), and average values and standard deviations (SD) were calculated. Synechococcus elongatus PCC 7942 grew with a doubling time of 24 h. An average growth curve of three cultures is shown in Fig. S2. The results of genome quantification of three independent cultures are summarized in Table 1. At an OD750 nm of 0.6, S. elongatus contained about four genome copies per cell and thus the species is oligoploid. This is termed ‘exponential phase’, although growth of the cultures was not truly exponential, but the OD750 nm of 0.6 was prior to the onset of the linear growth phase (compare Fig. S2).