Today, molybdenum is one of the most common trace elements in the ocean due to oxidative weathering of #Molybdenite. But in the Archean the oceans were reducing, and molybdenum was scarce.

Other nitrogenases evolved to use other transition elements, but Mo-nitrogenase was first, and best.

Molybdenite enables the Earth's biosphere!

#MinCup25 #NitrogenFixation #Nitrogenase #Archean #GreatOxidationEvent #OreCup #OreCup25

#Molybdenite is the primary host for the element molybdenum in the Earth's crust.

Molybdenum is part of the most effective biological molecule for nitrogen fixation (Mo-nitrogenase), which converts atmospheric N2 to a bio-available form.

The grey sphere is Mo; this complex molecule likely evolved more than 3.2 billion years ago.
#MInCup25 #NitrogenFixation #Nitrogenase #Archean #OreCup #Orecup25

#KnowledgeByte: Green #NitrogenFixation refers to a variety of emerging methods for producing #Ammonia, the primary ingredient in synthetic fertilizers, without the high energy consumption and fossil fuel dependence of the conventional Haber-Bosch process.

https://knowledgezone.co.in/posts/Green-Nitrogen-Fixation-68a09d3e498dd62ecc06e9fb

16-Jul-2025
#Uranium-based #catalyst turns air #nitrogen into #ammonia

would be even more exciting if it also worked with a non-radioactive element?

https://www.eurekalert.org/news-releases/1091282
#science #chemistry #nitrogenFixation #catalysis #HaberBosch

Uranium-based catalyst turns air nitrogen into ammonia

EPFL researchers have created a uranium catalyst that converts nitrogen gas into ammonia using a unique binding method, potentially offering insights into more sustainable fertilizer production.

EurekAlert!

19-Feb-2025
#NitrogenFixation on marine particles is important in the global ocean

https://www.eurekalert.org/news-releases/1074318 #science #ecology #MarineBiology

Nitrogen fixation on marine particles is important in the global ocean

Nitrogen is essential for all life on Earth. In the global oceans, however, this element is scarce, and nitrogen availability is therefore critical for the growth of marine life. Some bacteria found in marine waters can convert nitrogen gas (N2) to ammonia (known as N2 fixation), and thereby supply the marine food web with nitrogen.

EurekAlert!
BIG DEAL! First known nitrogen-fixing eukaryote (all the others are prokaryotes): An alga with a special organelle living in the ocean. https://www.the-scientist.com/the-first-nitrogen-fixing-eukaryotic-marine-alga-discovered-72225 #nitrogenfixation #NitrogenCycle #algae #marineecology
The First Nitrogen-Fixing Eukaryotic Marine Alga Discovered

What scientists thought was an endosymbiont in algae turned out to be an organelle.

The Scientist Magazine®

Nitrogen Fixation

#NitrogenFixation, #NonSymbiotic, #RDTAndNitrogenFixation, #Symbiotic #Microbiology There are number of microorganisms in the nature those are involved in the process of nitrogen fixation. These microorganisms use…. Medical Microbiology & Recombinant DNA Technology (RDT) Labs | Read More -

https://micrordt.wordpress.com/2024/05/03/nitrogen-fixation/

Nitrogen Fixation

#NitrogenFixation, #NonSymbiotic, #RDTAndNitrogenFixation, #Symbiotic #Microbiology There are number of microorganisms in the nature those are involved in the process of nitrogen fixation. These mi…

Medical Microbiology & RDT Labs

Mechanism Of Nitrogen Fixation

#NitrogenFixation, #Nitrogenase #Biochemistry The reduction of atmospheric gaseous nitrogen to ammonia is called nitrogen fixation.  Nitrogen is a major component not only of…. Medical Microbiology & Recombinant DNA Technology (RDT) Labs | Read More -

https://micrordt.wordpress.com/2024/04/28/mechanism-of-nitrogen-fixation/

Mechanism Of Nitrogen Fixation

#NitrogenFixation, #Nitrogenase #Biochemistry The reduction of atmospheric gaseous nitrogen to ammonia is called nitrogen fixation.  Nitrogen is a major component not only of…. Medical Microbiology…

Medical Microbiology & RDT Labs

Discovery of Nitrogen-Fixing Cell-organelle Nitroplast in a Eukaryotic Algae   
Biosynthesis of proteins and nucleic acid require nitrogen however atmospheric nitrogen is not available to eukaryotes for organic synthesis............
#cyanobacteria #eukaryoticsignatureproteins #nitrogenfixation #nitroplast #prokaryotes
Umesh Prasad

https://www.scientificeuropean.co.uk/sciences/biology/discovery-of-nitrogen-fixing-cell-organelle-nitroplast-in-a-eukaryotic-algae/

Discovery of Nitrogen-Fixing Cell-organelle Nitroplast in a Eukaryotic Algae   

Biosynthesis of proteins and nucleic acid require nitrogen however atmospheric nitrogen is not available to eukaryotes for organic synthesis. Only few prokaryot

Scientific European