How can I repress an endogenous gene expression?

I want to down-regulate the expression of a gene in yeast. Could you please suggest me some methods? Thank you.

11 December 2018 620 0 View

Which enzymes catalyze NMP, NDP and NTP transforamtion?

I want to know the mechanism of NMP, NDP and NTP transformation in eukaryote. Can anyone suggest me some papers? Thank you!

05 June 2017 4,440 0 View

What is the mechanism of yeast integrative plasmid?

05 June 2016 4,813 5 View

What is the promoter of Kanamycin in prokaryote plasmid?

I can not find Kana promoter in the map, e.g., pet28, while AmpR promoter is always indicated. Then what is the Kana promoter sequence? And can E. coli containing a plasmid with KanMX(TEF promoter...

03 April 2016 5,452 6 View

Can plasmid used for S.cerevisiae transformation be used for Kluyveromyces lactis?

03 April 2016 2,497 5 View

How can I add a tag right bebind the 3' end of a gene?

01 February 2016 2,699 2 View

Can anyone suggest me a good cotton genome database?

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02 March 2014 1,888 0 View

Can anyone help with vector construction with PGBKT7?

I want to insert the CDS of my gene into the MCS of PGBKT7, but I found that the vector contains two sites NdeI(CATATG) and NcoI (CCATGG), I would like to know whether the ATG in these two sites...

02 March 2014 2,777 3 View

Are there any "master transcription factors" in yeast?

Are there such TFs in yeast, like Myc, whose overexpression could affect multi-pathway protein expression?

01 January 1970 8,719 1 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

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

In what ways do fellow reaerchers think that mRNA vaccination may be under CRISPR systems technology application ?

There are many ways for mRNA to intervene with genome expression. This question is raised for experts in CRISPR systems. Any RNA does not stand alone within acell. There are many ways to become...

18 February 2021 9,109 5 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

How can I completely delete a protein on the genomic level using Crispr?

I want to completely delete or largely truncate a gene and not only achieve a functional knockout in a cell line. I can only transfect my cells with the Crispr/Cas9 sgRNA RNP and not introduce a...

08 February 2021 2,032 2 View

Is it possible to quantify recombinant protein in the supernatant using SDS PAGE ?

I would like to quantify a recombinant protein (with native signal sequence) secreted by Pichia pastoris using the SDS PAGE. Since my standard protein (plant origin) is not pure, I would like to...

07 February 2021 3,880 9 View

How to measure the concentration of a labeled protein with no tryptophan or tyrosines?

Hey I'm trying to measure the concentration of a protein I've purified and then labeled with Atto 647 flourescent dye. The protein has no tryptophans or tyrosines (although does have...

04 February 2021 4,482 4 View

Choise of cell line for neurobiology?

I am working with myelin-related proteins and interested to do cell experiments with my target protein in cells. I have created lentiviruses for my proteins, and mutants and also CRISPR set-up for...

02 February 2021 8,083 1 View

How to prepare protein samples in EMSA assay?

Recently l was studying EMSA assay, but l didn't find any detailed information about protein sample. we can use two kinds of protein, including crude protein extracts and recombinant proteins. but...

02 February 2021 10,047 3 View