Jabir Thajudeen

9 Questions 8 Answers 0 Followers

Questions related from Jabir Thajudeen

Why nitrogen fixing organisms are active in extreme environments (Extreme cold and Hot springs and deep sea vents).What are the possible mechanisms ??

Is nitrogease enzyme (nifH) are stable in extreme environments??

19 June 2018 4,076 4 View

Any one identify the the plankton?

The organisms were identified from coastal 100m.

06 October 2015 209 9 View

What is the reason for green fluorescence of the dianoflagellates in blue excitation in epiflourecence microscope?

Red fluorescence in the picture may be due to the auto fluorescence of the chlorophyll. I am wondering why this dianoflogellates shows the green florescence in blue emission. What is the reason...

18 March 2015 7,009 3 View

Does anyone know about an acetylene reduction assay for quantifying nitrogen fixation rates?

I am working with Nitrogen fixating organisms especially cyanobacteria and Heterotrophic bacteria. For quantifying nitrogen fixation rates by these micro organisms ARA used. I need to know the...

22 July 2014 6,927 4 View

What is the reason for nitrogen fixation by cyanobacteria in an eutrophic estuary?

We got results of nitrogen fixation by unicellular cyanobacteria in an eutrophic estuary. In an eutrophic estuary they have enough nutrients available for their metabolism, so they do not have the...

23 April 2014 3,809 6 View

Is there any reliable method for quantification of denitrifying bacteria in estuarine sediments?

See above

22 April 2014 7,988 3 View

How do you estimate picoplakton abundance of estuary and coastal waters?

Picoplankton are important primary producers. Their abundance shows important contributions in the biological pump. In addition to flow cytometry, is there any other method for counting...

07 November 2013 4,018 5 View

Can anyone suggest the method for molecular identification of nitrogen fixing cyanobacteria and heterotrophic bacteria?

Conventional microscopic identification of nitrogen fixing cyanobacteria and heterotrophic bacteria (growing in nitrogen-free medium) is a difficult task. Does anyone work with a diversity of...

01 November 2013 937 4 View

Can you suggest method for culturing of Trichodesmium?

I had tried lot of times for culturing of Cyanobacteria in modified Allen and Nelson Media. It survived only one week. Then it begin to die. Would you suggest any protocol for culturing of...

08 September 2013 9,417 4 View