Refer to the experimental approach (i.e., very briefly describe) and give the results AND conclusions. The answer is incomplete without reference to all the data including controls. Western analysis for BTG2, AKT, p-AKT, ERK1/2 and p-ERK1/2 in MDA-MB-231 cells transfected with 1. inhibitor-control (inhibitor-ctrl) and siBTG2 scrambled oligonucleotide (si-ctrl) 2. miRNA inhibitor and si-ctrl, 3. inhibitor and siBTG2 4. inhibitor-ctrl and siBTG2 Protein expression was quantified by band intensity and normalized to GAPDH. MDA-MB-231 BTG2 AKT p-AKT ERK1/2 p-ERK1/2 GAPDH elative Protein Level 1.51 1.0- 0.5- miR-NC BTG2 PAKT PERK _ miR-inhibitor m NC+siBTG inhibitor+siBTG
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- The following table includes information from a procedure where mice were injected with different concentration amounts of a certain microbe (Mircobe A) under these distinct circumstances: no other treatment added (NT), after being exposed to anti-microbe A vaccine (vacA), and during treatment with a broad-spectrum antibiotic (x). CFU/ml Injected % Infected - NT % Infected - vacA % Infected - x 1 2 0 1 10 20 0 22 100 52 3 44 1000 100 14 97 1. What is the ID50 value of Microbe A (in CFU/ml)? 2. Is Microbe A antibiotic-sensitive? 3. Is the vacA vaccine effective to stop the infection?Considering counting rules, calculate the initial titre of the sample viral stock if the following plaques were counted in a plaque assay. Show clear sample calculations. Table 1: Plaque assay counts for lambda phage stock titre enumeration of average concentration (PFU/mL) Total dilution of viral stock 1/13500000 1/135000000 1/135000000 plated Volume diluted viral stock 0.1 0.1 0.1 plated (mL) PFU replicate 1 TNTC 275 25 Calculated concentration (PFU/mL) replicate 1 PFU replicate 2 TNTC 239 23 Calculated concentration (PFU/mL) replicate 2 Average concentration (PFU/mL)If you Infect the Jurkat T lymphocyte cell line with HIV-1 strain IIIB. Lyse the infected cells at the peak cytopathic effect and isolate DNA from the whole cell lysates. What minimum biosafety Level (1-4) by the BMBL will be used for this experiment?
- Shown below are the complementation test results involving 4 independently isolated lethal mutants in a bacteriophage. Complementation was assayed by simultaneouly infecting bacteria with two phage strains, each with a different mutation, neither of which could alone lyse the cells. In the table below, a "+" indicates the strains complemented each other and therefore lysed open the bacteria. A "0" indicates no complementation and therefore no cell lysis occurred. Test pair Results 1___2___3___4 1,2 + 1 0 + + 0 1,3 + 2 0 + + 1,4 0 3 0 + 2,3 + 4 0 2,4 + 3,4 + How many genes are there? a. 3 b.1 c. 2 d. 4Fluorescence in-situ hybridisation (FISH) analysis can be performed on fixed pathological tumour sections. Briefly outline why interphase FISH is used on fixed material from a solid tumour, rather than metaphase FISHShown below are the complementation test results involving 4 independently isolated lethal mutants in a bacteriophage. Complementation was assayed by simultaneouly infecting bacteria with two phage strains, each with a different mutation, neither of which could alone lyse the cells. In the table below, a "+" indicates the strains complemented each other and therefore lysed open the bacteria. A "0" indicates no complementation and therefore no cell lysis occurred. Test pair Results 1___2___3___4 1,2 + 1 0 + + 0 1,3 + 2 0 + + 1,4 0 3 0 + 2,3 + 4 0 2,4 + 3,4 + Which mutants are in the same gene? . a. 2, & 3 b.1, 2, 3 & 4 c.1 & 4 d.1, 2 & 4
- Describe and explain the difference in results if the serial dilution step of the T4 bacteriophage suspension inour experiment was skipped (i.e., all of Step #3 of the procedures was skipped)? _________________________Current EventsThe Johnson and Johnson COVID-19 vaccine consists of inactivated adenovirus that has been altered to containgenetic information encoding SARS-CoV-2 surface spike proteins. The virus targets and delivers this geneticinformation to the cells of our respiratory tract, which produce benign SARS-CoV-2 surface spike proteins butare effective for training our immune system to defend us against SARS-CoV-2.Based on this information and your knowledge of viruses in general, could T4 bacteriophage be used in place ofCell line A was cultured in the absence and presence of KB9520 or PPT. You then lyse the cells and fractionate them, generating membrane, cytosolic and nuclear protein fractions of the whole cell lysate. Western blots were then run using antibodies against ER (alpha) and ER (beta) for each treatment, and include different lanes for the membrane, cytosolic and nuclear protein fractions. Draw the expected results for these western blots and briefly discuss the expected differences.If you wanted to make an assay detecting SARS-CoV-2 virus presence, like the assay shown in the previous question, what would be a logical combination of things to include in your list of supplies to obtain? rabbit anti-SARS-cov2 spike antibody, anti-rabbit IgG horseradish peroxidase-conjugated antibody, tetramethylbenzidine rabbit anti-SARS-cov2 spike antibody, anti-mouse horseradish peroxidase conjugated antibody, tetramethylbenzidine rabbit anti-SARS-cov2 spike antibody, anti-rabbit SARS-cov2 spike antibody, tetramethylbenzidine SARS-cov2 spike, anti-rabbit IgG horseradish peroxidase-conjugated antibody, tetramethylbenzidine rabbit anti-SARS-cov2 spike horseradish peroxidase conjugated antibody, anti-rabbit horseradish peroxidase conjugated antibody, tetramethylbenzidine
- A researcher wants to compare the pathogenicity of a mutant pathogen relative to wild type in an animal model. The mutant is marked with the constitutive expression of a foc gene that turns colonies blue on X-gal agar. The input ratio of the experiment Dilue/white colonies) was 10:1. The output ratio of the infection experiment tant to d type was 1-100 a. What is the CI? Show your work. 1. Define the Cr and describe what it measures in your answer Which of these genotypes does better during infection, the mutant or the wild-type?What is the role of genomics in generating anti-SEMA3A monoclonal antibodies as a potential therapeutic antibody against GBM progression? Explain in detailed manner.A COVID-19 test, which produce result in 10 minutes, has the following test characteristics. The test has a 95% sensitivity and a 95% specificity. The State of Massachusetts is in dilemma whether to test symptomatic individuals or the entire residents to decrease the spread of infection as depicted in the following two scenarios. Scenario A. The State of Massachusetts wants to administer the test on 40,000 individuals who will develop cough, fever and shortness of breath in the next 10 days to identify COVID-19 infected individuals and institute public health measures. The estimated prevalence of COVID-19 in this population is 750 per 1,000 population using a gold-standard test. Scenario B. The State of Massachusetts wants to administer the test to its entire COVID-19 uninfected population (6,750,000). The estimated prevalence of COVID-19 in this population is 5 per 1,000 population using a gold-standard test. Please help the State of Massachusetts by responding to the…