I am getting errors. Either positive control cq values will vary or there will be no amolification. The knockdown genes are showing increased expression as per the amplification data. Can anyone please suggest me what can I do to improve qpcr ?
The source of classification bias in marker gene metagenome sequencing? a variability in the taxonomy classification of microbial communities when using different primer pairs (e.g. for 16S rDNA)...
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06 June 2024 8,714 2 View
So, here is what I am dealing with: The Tm of the primers is 55 for the forward one and 56 for the reverse one. In -silico PCR produces 750 BP band, but in reality I get 3 bands. The third one...
17 March 2024 9,914 5 View
I am amplifying target sequence 450 bp. I get single sharp band in the control and faint in sample with another sharp nonspecific product. why? I need to get one single band from my sample to...
17 March 2024 804 3 View
I am doing a CRISPR targeting to knock out one intron of my gene of interest in a cancer cell line and replace that intron with GFP. I am wondering if I should pick single cell clone with possible...
17 March 2024 9,713 1 View
For example, If a PCR primer can detect ~100 fg of DNA, how we will calculate it to Bacterial copy number?
17 March 2024 1,816 2 View
How can the design and synthesis of guide RNA molecules be optimized for improved CRISPR-Cas9 gene editing?
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I could not find a study that used CRISPR-mediated HDR for stable integration of large genes. I would be grateful if anyone could point me in the right direction.
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After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...
05 August 2024 9,637 2 View
I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...
05 August 2024 6,787 4 View
I am performing ligation of the plasmid and a target gene. The steps I have taken are: 1. Double digestion of the plasmid and target gene 2. Ligation of the plasmid with the target gene 3....
05 August 2024 2,570 3 View
I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...
04 August 2024 9,913 7 View
I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...
31 July 2024 225 2 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 1 View
Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?
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I created two potential gene expression cassettes (constitutive and inducible) for expression of a mutant PETase gene on PeptiCloud using the version tree feature, which allows users to create...
28 July 2024 7,559 1 View
How much volume of siRNA can I add to 2.5 mL of liposomes with a total lipid concentration of 10 mg/mL?
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Gene sequencing related trouble shooting
25 July 2024 4,149 2 View