Drug inhibits protein, but the specific gene also get no or lower expression after 24hrs of incubation ?

An enzymatic functional protein has been targeted using small molecule compound. We succesfuly found that the compound has inhibited the growth of the organism. But, we found mRNA for that...

03 April 2018 818 4 View

Journal Citation download for MS office word ? Google scholar not working ?

HI all, This is a basic clarification, where I generally copy citation from Google scholar (typing title of article, and search to download the citation with API and other formats available to...

03 April 2018 6,706 2 View

Can any one explain about Ampure beads ?

During NGS library preparation or any Bead based DNA washes carried out to remove below threshold size DNA based on the concentration of Ampure XP beads used in the respective steps. Still I...

11 December 2017 3,552 0 View

CRISPR system in Pseudomonas ? acquired or Innate ?

Recently I found there are many CRISPR genes among my Pseudomonas aeruginosa genome study. My query is whether these could be adapted from any viral or other microbes or it is innate in some of...

07 August 2016 8,751 5 View

Efflux pump detection by PCR targeting MexAB-oprM like genes is really useful or QPCR based expression of efflux gene is necessary?

Dear researchers, I have identified the presence of efflux pump genes in only 65% of Pseudomonas and absent in 35% of Pseudomonas strains. Where detection of the gene by PCR targeting MexAB-oprM...

10 November 2015 911 1 View

How can I confirm the presence or absence of a protein after drug treatment using Western blot?

As per my research, drives me to inhibit a particular gene which codes for a protein involves in multiple functions. After treating the cells with my designed drug against that protein, i have...

05 June 2015 9,716 7 View

Dear Scientists, I would like to inhibit a growth or particular gene of bacteria (Ex. E.coli) using Small interferring RNA ?

Dear Scientists, I would like to inhibit a growth or particular gene of bacteria (Ex. E.coli or P aeruginosa ) using Small interferring RNA . Can you suggest me a good protocol - related...

05 June 2015 5,767 0 View

Suggest me a journal with above 3 impact factor- Free/or below 700 Usd publication for NGS based study?

Suggest me a journal with above 3 impact factor- Free/or below 700 Usd publication for Microbial genome sequencing -NGS based study? Especially Review period with in short duration (1-2...

01 February 2015 904 2 View

Can anyone suggest a protocol and recipient strain for conjugation experiment?

Dear scientists, I have an enormous number of pseudomonas aeruginosa drug resistant strains, I would like to analyse the gene transfer ability of those bacteria through conjugation experiment. As...

31 December 2014 6,067 10 View

Integron and its explanation in detail needed, what is ISKpn4a in integron cassette?

11 December 2014 6,638 1 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

Universal bacterial primers targeting a mRNA?

Hi, I'm looking for universal primers targeting a bacterial mRNA to quatify bacterial load by qPCR in a complexe mixture (eukaryote and prokaryote RNA). Ribosomal RNA being depleted, I absolutly...

22 February 2021 9,969 3 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

Could you please share your experience with me on the type of 96 wells plate for MIC determination: Treated Vs Untreated and Round-Vs Flat-bottomed?

I am working on the MIC determination of various antibacterial agents (both water-soluble and- insoluble) against S. aureus, MRSA, and S. pyogenes. Some guidelines recommend using round-bottomed...

17 February 2021 7,029 3 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

How much amount of DNA (ligation mix) should I use for transformation?

Hi Fellow Scientists! I am trying to clone my 300 bp insert into a 6 kb vector. I run a few different ligation reactions using (1:3 vector: insert molar ratios) 10, 20,30, and 40 ng/ul vector...

15 February 2021 9,563 6 View

Plasmid amplification in S2 cell?

When co-transfect S2 cell with selection vector (pCoHygro or pCoBlast ) to make a stable cell line, does the gene integrate into the genome or just like E.coli? How do the plasmids amplify within...

09 February 2021 5,423 1 View