Marine nitrogen fixation is a crucial process in the ocean's nitrogen cycle, where certain microorganisms, known as diazotrophs, convert atmospheric nitrogen (N 2) into forms that can be utilized ...

This leads to the formation of so-called "oxygen minimum zones." These 'breathless seas' disrupt the ocean's nitrogen cycle, which is essential for regulating marine life. Disruptions in this cycle ...

They serve as electron transporters, facilitating the transport of electrons from within the cell and from external donors. In the context of the nitrogen cycle, cytochromes are essential in the steps ...

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Researchers from Tel Aviv University found that marine creatures like ascidians can change the composition of microplastics, ...

Marine chemistry is the study of the chemical ... inorganic and organic carbon; nutrients, such as nitrogen and phosphorus; and trace elements, such as iron. Waves breaking on sandy beaches ...

A seemingly minor trickle of groundwater beneath Alaska’s tundra is quietly releasing vast amounts of carbon into the ocean.

Jan. 21, 2025 — Marine scientists highlights the complex interplay between heat stress, disease onset and coral mortality. They found that 66 percent of the colonies ... Ecologists Uncover ...

Scientists uncover key step in how diazotrophs 'fix' nitrogen A well-stocked toolbox helps researchers uncover the bacteria's 'last resort' mechanism Date: January 8, 2025 Source: University of ...

What's more, this cross-feeding occurs on a regular cycle: Prochlorococcus tend to ... The molecules also happen to be nitrogen-rich—a fact that puzzled the team. Prochlorococcus are mainly ...

In Lake Mendota, Wisconsin, bacteria undergo an extraordinary cycle of evolution, changing their evolutionary process based ...