Life measurement data of arthropod / insect richness & abundance in Europe?

I was wondering if someone knew a project / institution that gives relatively accurate Live-updates of estimates for the species richness relativ abundance of arthropod / insects species in...

08 September 2017 7,532 1 View

What is a good program to draw mitochondrial genomes?

I am looking for a good and free to use program to draw circular mitochondrial genomes from a file (not genbank). thanks in advance

01 February 2016 4,790 7 View

Which short read aligner do you use?

31 December 2015 8,666 0 View

Where can I download full genomes of cancer cell lines?

11 December 2015 2,973 3 View

Has anyone had miRNA qPCR issues because primers were designed based on too short of a miRNA annotation?

If you have any experience given the question - whatever PCR /cDNA approach you used, please comment.

31 December 2014 5,204 13 View

How do you retain DNA, miRNA and mRNA from one sample for NGS?

Hi, So I am interested in a way for generating DNA, smallRNA and mRNA from the same biological sample for NGS (ExomeSeq, smallRNAseq and RNAseq). Essentially I am looking for a protocol/kit that...

10 November 2014 1,905 8 View

What's the optimal sampling for a cancer-normal tissue study?

How many samples (tumor vs. normal tissues) are usually used for NGS based microRNA studies in order to have statistically meaningful results?

08 September 2014 3,413 9 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

MiRNA qpcr problem?

Dear All, mirna primer showing some problem in the melting curve? any idea why? As attached is the melting curve. The forward sequence is obtained from miRBase and reverse primer is universal.

28 February 2021 5,008 4 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Runs of nucleotides in Sanger sequencing?

I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...

27 February 2021 547 3 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View