First recorded in 1895–1900
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Researchers at Aarhus University have now identified small receptor changes in plants that cause them to temporarily shut down their immune defenses and enter a cooperative relationship with nitrogen-fixing bacteria.
From Science Daily • Dec. 9, 2025
Scientists worldwide are working to understand the genetic and molecular basis of this natural nitrogen-fixing ability.
From Science Daily • Dec. 9, 2025
"For decades, scientists have been trying to develop cereal crops that produce active root nodules, or trying to colonize cereals with nitrogen-fixing bacteria, without much success. We used a different approach," Blumwald said.
From Science Daily • Nov. 24, 2025
"For years, we have been finding gene fragments encoding the nitrogen-fixing nitrogenase enzyme, which appeared to belong to one particular non-cyanobacterial nitrogen fixer," says Marcel Kuypers, lead author on the study.
From Science Daily • May 9, 2024
The nitrogen-fixing rhizobia in root nodules, the mycetomes of insects, and the enzyme-producing colonies in the digestive tracts of many animals are variations of this meticulously symmetrical symbiosis.
From "The Lives of a Cell" by Lewis Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
