Sp Ranju

10 Questions 19 Answers 0 Followers

Questions related from Sp Ranju

What is the white colonies that is formed within the lysed area of spot test by phages?

There is a tremendous variation in the infecitivity of phages within species. When a spot test with phages are performed i can encounter six different lysis pattern namely A. Complete lysis, B....

12 December 2017 6,091 2 View

Can anyone help me to identify this culture?

Whenever i do double agar plate method for bacteriophage studies i get this kind of contamination in my plates. Is anyone familiar with this kind of colony?

09 September 2015 9,437 6 View

Is there a methodology to isolate mycoviruses and propogate it in a medium?

I can see papers were mycoviurs genetic material is extracted for sequencing or it is purified from the fungal cells for visualisation in TEM.

01 January 2015 4,387 3 View

How can I check if a pathogen is seed borne ?

In case of Bacterial blight disease of rice , there is always a controversial statement about the existence of the pathogen . If i want to check this invitro condition how should i proceed this?...

11 November 2014 3,034 15 View

How to grow a rice plant ?

Can anyone suggest the ideal methods for growing the Rice plant to check the pathogenicity of the isolated strains?

10 October 2014 6,390 2 View

Can anyone suggest a method to dissolve metal nano particles?

In order to check the antimicrobial activity of chemically synthesized nanoparticles, it has to be dissolved. I tried to dissolve the nanoparticles in DMSO (Dimethyl sulfoxide) and methanol, but...

10 October 2014 7,557 9 View

Is there any method to decrease the doubling time of Xanthomonas oryzae?

In case of bacteria like Escherichia coli the doubling time for it is 30min and within 6 hours of incubation log phase culture can be obtained, but in case of Xanthomonas oryzae it is 2 hours and...

10 October 2014 8,906 6 View

How long should it take for the plaque formation to be seen on the plate?

I am working with Xanthomonas oryzae bacteriophages. When I try doing a plaque assay I can visualize the bacterial lawn after 2 days, but plaque formation is not seen. It takes almost 5 days for...

10 October 2014 3,340 11 View

What is the characteristic wavelength for xanthomonadin pigment?

Xanthomonadin is the pigment that is produced by the genus Xanthomonas. It is responsible for the yellow colour of the bacteria. This pigment has a major role in protecting the pathogen from...

02 February 2013 3,744 4 View

Is bacterial blight of rice still prevelant in India?

Bacterial blight of rice is a serious disease which lead to the yield loss in many countries, So many researches and so many resistant varieties have been put forth , I am planning to work on...

12 December 2012 9,392 2 View