Qu Tailong

5 Questions 13 Answers 0 Followers

Questions related from Qu Tailong

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?

16 January 2017 4,717 3 View

How to use software to analyses the evolution of virus?

I got over 1500 sequences of a animal virus with the complete genomes are 2000 nucleotide , and i wanna analyses the evolution condition of them: the evolutionary tree, spatial and temporal...

12 January 2017 1,666 8 View

How to modify the cell receptor of a virus?

Here is a DNA virus named PCV2 and it can be cultured on the PK15 cell. However, what a problem is the propagation of the virus on PK15 is limited.The key step for virus entry and propagation is...

23 May 2016 423 6 View

How can we purify a virus / separate it from other viruses?

I would like to isolate a virus (DNA virus, the cell won't die after being infected by this virus) from the species, but now there are other DNA viruses that can cause the cells to die in 48h. So...

07 January 2015 4,814 6 View

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

It is isolated from a sick pig. We cultured it on blood agar and chocolate agar, which the colony shape like a wax drops(see picture). The16srRNA sequence analyses indicate that it is...

10 October 2014 1,245 3 View