Dose anyone know what type of "bacterium" this is?

More Qu Tailong's questions See All

How to establish drug resistant cancer cell lines?

Hi, I want to estblish a drug resistant cancer cell line, Dose anyone could give a hand about it? is there some protocols or refferences/books? PS: If I want to treat the cell with drug, what...

11 December 2018 2,798 0 View

Does anyone give me some tips of which cell lines express hIL4 receptor?

I'm looking for cells could express human IL4 receptor by itself instead of foreign gene transformed. I test the IL4R on Daudi, but less expression.

03 April 2018 9,328 0 View

How canI verify the DNA fragment without results after blast in NCBI?

I got a fragment of DNA from the mouse feces by PCR. while there was no results while I blast in the NCBI,what should I do next?

31 December 2016 4,347 3 View

The method to estimate the virus propagation ?

How to evaluate the propagation of DNA virus? what's methods can be used? Quantitive-PCR to detect DNA of the cell culture at different time post infection and RT-PCR to detect the RNAs about...

04 May 2016 9,043 1 View

How can I verify the receptor of a virus?

Invasion of virus into the cell is by the receptor and ligand.In what way to verify the receptor?

31 December 2014 2,507 6 View

What way can we improve the titer of the virus during the cell culture?

How can we to improve the titer of the virus in the cell culture?A strain of porcine parvovirus was isolated from a diseased pig. and it was cultivted for 3month and 30 passages,The TCID50 of the...

31 December 2014 6,936 9 View

Does anyone work on adjuvant, especially chitosan?

Actually, I'm doing some work about the chitosan. Chitosan has been used in many fields, food, medicine, etc. It is also used in adjuvant for mucosal immunity with antigen. Anyone has similar work...

09 October 2013 3,399 3 View

How do i verify the function of bi-specific antibody?

I've got a humanized bi-specific monoclonal antibody targeting to PD-1 and CTL-4. how can i verify the function of it? what experiment should be taken?

01 January 1970 1,761 5 View

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 View

How can I inoculate a lyophilized anaerobic bacteria into the culture medium without an anaerobic chamber?

There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...

05 August 2024 4,945 3 View

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...

05 August 2024 6,787 4 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 View

How does the Retention time effect the Biogas Production?

List down the various factors responsible and how does this effect the overall biogas production when it is related to Hydraulic retention time of the digester based on the feedstock?

27 July 2024 4,800 4 View

Question about MHB (Mycorrhiza Helper Bacteria) isolation technique??

What are the most effective isolation techniques for obtaining MHB?? Is there are best approach techniques? I keep struggling in obtaining it.

26 July 2024 7,387 0 View

Pink bacterial colonies?

I am cloning an overexpression plasmid with my protein of interest tagged with mScarlet. After transforming my ligated product into DH5α bacteria and plating on LB agar, I noticed colonies with a...

22 July 2024 5,953 6 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

How to prepare bacterial conditioned media to study the effect of bacterial secretome?

I would like to investigate the effect of bacterial secretome on cancer cells. How do you prepare conditioned media from bacteria?? conditions- time points - media I am looking for the best way...

17 July 2024 3,785 9 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Alaa Kareem Niamah

Please , you do arginine test for the isolate . It gave positive result It's B.licheniformis 100%

Qu Tailong

I'm thinkin about doing the biochemistry test. I will show the results here.

Alex Ignatov

Have you got complete 16S rRNA gene sequence? There are a very few cases when Bacillus licheniformis was pathogenic to animals or humans...

Joseph ( Jozsef in Hungarian) -- Molnar

Possibly it is B.licheniformis, but from the inoculation line, one can suppose lysogeny.