Eukaryotic mitochondrial membrane protein expressed in E.coli. How can one assess the subcellular localization?

By overexpressing an eukaryotic mitochondrial membrane protein in E.coli, I was wondering if I can assume the same subcellular localization in bacteria cells. Otherwise, any advice about how to...

10 November 2017 6,403 3 View

Cleavable C-terminal His-Tag vector for cloning

05 June 2017 7,626 1 View

Does anyone know if IPTG and arabinose can be used together for induction of expression?

I am planning to use two plasmids harboring two sequences under the control of two different promoter, T7 and araBAD. My aim is to cotransform Ecoli strain with these two plasmids so that the...

03 April 2017 8,898 1 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

08 September 2015 2,914 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;...

31 December 2014 10,005 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.

11 December 2014 5,873 18 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...

08 September 2014 1,408 4 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.

05 June 2014 3,264 7 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

What is the most suitable resuspension buffer for TCA/acetone precipitated protein?

I need to extract protein from fermented carbon sources for Bradford assay. Most researchers experiencing insolubility of pellet in resuspension buffer. Please assist me to select most suitable...

26 February 2021 7,129 3 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

What is the standard protocol in doing replicates for C. elegans lifespan assay on solid media (thru worm picking)?

I would like to know what is the standard protocol in the number of worms per plate and number of plates per concentration of extract X in a lifespan assay done in solid media and not automated...

23 February 2021 9,933 1 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View