TS asked in Science & MathematicsBotany · 8 years ago

Rhizobium mutualism with plants?

I know that rhizobium is a nitrogen fixing bacteria and it provides nitrogen for the plant but what does the plant do for it to make it a mutual symbiosis?

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  • 8 years ago
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    The plant can supply a carbon source (e.g. malate) and/or essential amino acids (e.g. Leucine and Isoleucine). The nitrogen fixing bacteria supplies the plant with a nitrogen source (e.g. NH4+) and sometimes amino acids (e.g. Alanine) in return.

    Source(s): Microbio grad classes
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