Reasons for why adding a carbon source in the media does not increase growth of lactobacillus?

What could be the reasons for why adding a carbon source in the MRS media does not increase growth of lactobacillus?

08 September 2018 5,746 3 View

Does anyone know of a minimal medium for Streptococcus sp that i can use to check the effect of increasing carbon concentrations on it's growth?

Does anyone know of a minimal medium for Streptococcus sp and lactobacillus sp that i can use to test the effect of carbon source( such as glucose) that supports their growth ?

08 September 2018 7,868 1 View

I have a eukaryotic gene which I want to express in a bacteria, say E.coli? How can that be done?

I have a eukaryotic gene which I want to express in a bacteria, say E.coli? How can that be done?

02 March 2013 1,018 0 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How to calculate the fraction metabolized of a drug by an enzyme using clearance(ml/min) values of the metabolite formed?

I am trying to find the fraction metabolized of a drug by CYP and UGT enzymes. I am unable to get the values of fraction metabolized (Fm) directly from the literature. Can we calculate the Fm of a...

21 February 2021 5,379 2 View

Can I get information about research laboratories that are currently having in culture, internationally/locally standardised microorganisms?

Microorganisms of interest include; E.coli; Salmonella typhimurium; Pseudomonas aeroginosa; Streptoccocus pneumoniae; Staphyloccocus aureus and Candida albicans. Locations closer to Port...

18 February 2021 6,500 3 View

Can 5-FOA Diffuse Through Agar?

I am preparing to do a gene knockout in the filamentous fungi Coccidioides posadasii targeting pyrG/URA3 so that 5-FOA can be used for selection pressure instead of traditional antibiotic...

16 February 2021 169 4 View

How long does it take to design and validate transition state analogue inhibitors?

Hi, I'm asking from the point of view of designing a research plan: How long (approximately) can it take to determine the transition state structure of an enzyme substrate using kinetic isotope...

14 February 2021 2,610 1 View

Any natural extract (that is easily available) or any drug combination triple which i can use against gram negative?

I'm working on gram negative i want to use any natural extract (plant extract) or triple drug combination against its biofilm formation.

14 February 2021 1,403 3 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

No title

Hello! I want to determine the activity of my in house Reverse Transcriptase enzyme. For this, I have used Thermo's Enzcheck Reverse Transcriptase assay kit. I used commercial Thermo RT enzyme to...

08 February 2021 7,285 1 View

How define one baker unit(BU) is the amount of hydrogen peroxide catalase ?

07 February 2021 2,006 1 View

Does DNA A-tailing survive after agarose gel electrophoresis and purification?

Hi everyone, I need to clone in pGEM-T vector the result of amplifying a metagenomic library by PCR with a high fidelity polymerase but I only want to clone the fragments of an specific size...

04 February 2021 6,051 8 View