Multiple eukaryotic genes under the same promoters?

16 March 2017 4,419 3 View

Does anyone know a data base where I can catch a list of anaerobic and/or aerobic-tolerant animal organisms?

I want to compare protein sequences of proteins shared between aerobic and anaerobic organisms

20 September 2015 9,640 1 View

TreeFix problem

I am facing a problem with TreeFix and I was wondering if you can help me. I found out your corresponding address into TrreFix web page.When I try to launch TreeFix I receive an error message;...

11 January 2015 870 1 View

Can anyone advise me books dealing with phylogenetic reconstruction, mostly in its practical aspects?

I am interested in learning more in depth this topic whereby I have been already introduced and I have a limited experience.

04 December 2014 3,209 16 View

Any experience in transfecting Daoy cells?

Hi all, I'm starting to use Daoy cells (medulloblastoma), and I would need to transfect them. In literature seems that there is no info on that...Has anyone tried that? thanks

23 October 2014 5,671 4 View

Does anyone know a protocol for a native PAGE gel?

I have to analyze a protein whose pI=8.8. I need to check the difference in electrophoretic motility with and without a ligand; I was wondering about the high pI, if someone know a good...

31 August 2014 7,112 3 View

Does anyone know of organisms that lack catalase?

I was wondering if there are organisms lacking catalase. I know that Plasmodia and Schistosoma species do not possess this enzyme. Thanks.

26 June 2014 334 8 View

How can I solve my BglII site destruction problem?

Hi all, I need to excise a sequence from a plasmid, but this sequence was cloned in a BglII site with BamHI sequence, destroying the BglII recognition sequence. Unfortunately, the new BamHI is...

23 March 2014 7,195 9 View

Intronic miRNA

I'm quite new in the field, and I'm looking for a software or (better) an online platform to analyze intronic sequences in my gene-of-interest, to discover if there are potential miRNA inside the...

19 January 2013 7,742 3 View

Human Microglia Cell Line

I'm looking for a human microglial cell line, any suggestion? I've read about the HMO6 cell line, produced by Nagai et al., but I cannot find if they are commercially available or not.

15 January 2013 5,268 54 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 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

Why the sum of the observed homozygosity and observed heterozygosity is different from one?

I had computed the HWE test using the --hardy command of the plink 1.9 program, to find the observed and expected heterozygosity. The observed and expected homozygosity has been calculated using...

24 February 2021 5,252 2 View

Can I use FLEXBAR to detect and remove barcodes out of my short reads without demultiplexing ?

Hello, I have demultiplexed my short reads and I have removed the Illumina adapter left in the sequences and now I need to remove the barcodes used by the sequencing centre from my reads. I have...

22 February 2021 9,873 3 View

Qiime2- No reads passed the filter. How to set the trunc value?

Hi, I am working on some 16S sequencing data, and seems some of them are low quality. I am not sure how to set the trunc value in dada2. qiime dada2 denoise-paired \ --i-demultiplexed-seqs...

30 January 2021 6,213 3 View

How do I get ConsistencyDupSNP.sh file required for genotype consistency quality control step of genotyping data obtained from GSA 24 v2.0 ?

Genotyping data is from Illumina Global screening array 24 v 2.0 and ConsistencyDupSNP.sh file contains list of pair of duplicated SNPs in GSA24 v 2.0.

18 December 2020 1,966 3 View

Could anybody provide insights the best tools to create a custom database for taxonomy assignment of metagenomic data?

I am interested in the different tools that can be used to create custom databases for targeted sequencing and how to trim the databases based on the amplicon size? Also, should custom databases...

02 December 2020 3,105 3 View

Format Mothur database to run through dada2?

I am looking to run illumina miseq data through dada2, but the limited identification of this gene means there are no pre-build databases. I have a database built in MOTHUR format, does anyone...

30 November 2020 8,228 3 View

How do I transform the "Transcripts" into the "Gene symbol"?

I downloaded the expression matrix data "GSE143416_Brain_data_TPM.txt.gz" of GSE143416 from Gene expression omnibus ( https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi). However, the first column of...

30 November 2020 1,304 3 View

How do you design heterogeneity spacers for primers in amplicon metagenomic studies?

Adding heterogeneity spacers to primers used for Illumina based amplicon studies has proven to improve read quality by increasing bp diversity on the flow cell during sequencing. I have seen two...

01 November 2020 9,071 3 View