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What is the difference between Rhizobium and cyanobacteria in the way of fixing nitrogen for the plants?

User Ozan
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Answer:

Most rhizobia have well‐conserved nodulation genes which encode signals, nodulation factors, which are perceived by the plant. Cyanobacterial symbioses with plants are diversified, but involve mainly one microbial genus, Nostoc

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User Jfrey
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