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Rhizobia in Medical News

Compounds In Legume May Be Helpful In Treating Cancer

...Mr Harris said. The anti-cancer molecules are produced by legumes during the early symbiotic relationship with soil bacteria known as rhizobia. rhizobia induce legumes to form tiny new root organs called "root nodules." The bacteria live in the nodules and provide the plant with useable nitrogen it can...
Rhizobia in Biological News

Evolution of root nodule symbiosis with nitrogen-fixing bacteria

...ved in the symbiotic relationships with nitrogen-fixing bacteria. Importantly, the longer version was found in both legumes (which form symbioses with rhizobia the textbook nitrogen-fixing symbiosis) and in actinorhiza (such as alder) which form symbiotic relationships with frankia bacteria, about which ther...

A new plant-bacterial symbiotic mechanism promising for crop applications

... Aeschynomene, and Bradyrhizobium, bacteria of the rhizobia family, have just revealed a new mode of communica...n photosynthetic pathway, a unique property in the rhizobia (2). This special character confers on it the exce...ble of triggering the nodulation signal in certain rhizobia is promising for future techniques for bringing th...

Pesticides choke pathway for nature to produce nitrogen for crops

...National Academy of Sciences (PNAS), the five-member team reports that agrichemicals bind to and block connections to specific receptors (NodD) inside rhizobia bacteria living in root nodules in the soil. Rotation legume crops such as alfalfa and soybeans require such interaction to naturally replace nitrogen...

Legume compounds may help cancer treatment

...," Mr Harris said. The anti-cancer molecules are produced by legumes during the early symbiotic relationship with soil bacteria known as rhizobia. rhizobia induce legumes to form tiny new root organs called "root nodules." The bacteria live in the nodules and provide the plant with useable nitrogen it can...

Plants, too, have ways to manage freeloaders

...single plant might nodulate more than one strain in separate nodules. "These results support the hypothesis that legumes can favor more cooperative rhizobia by manipulating bacterial fitness in the nodule," the authors wrote. "We think that when roots explore the soil and encounter bacteria, they will n...

Plants respond similarly to signals from friends, enemies

...feed. The scientists also discovered that, like rhizobia and contrary to popular belief, the root-knot nema... beneficial interactions with other organisms like rhizobia is being exploited by nematodes," says Dr. David B...he nematodes' signals "Nematode factors." After rhizobia perceive plant signals and send back Nod factors, ...
Rhizobia in Biological Dictionary

Rhizobia

Rhizobia are soil bacteria that fix nitrogen (diazotrophy) after becoming established inside root nodules of legumes (Fabaceae). Rhizobia require a plant host; they cannot independently fix nitrogen. Morphologically, they are... Selection of rhizobia for prairie legumes used in restora...
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