Abstract
An infected root nodule cell may contain several thousand rhizobial symbionts, each enclosed in a membrane envelope, the peribacteroid membrane (PBM). The PBM is derived from the host plasma membrane, but shares properties with the vacuolar membrane and contains several nodule-specific proteins (nodulins) that perform unique functions for symbiosis.
MeSH terms
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Biological Transport
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Cell Membrane / physiology*
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Fabaceae / metabolism
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Fabaceae / microbiology*
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Fabaceae / ultrastructure
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GTP-Binding Proteins / metabolism
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Membrane Fusion
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Membrane Proteins / metabolism
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Models, Biological
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Plant Proteins / metabolism
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Plant Roots / metabolism
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Plant Roots / microbiology*
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Plant Roots / ultrastructure
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Plants, Medicinal*
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Rhizobium / physiology*
Substances
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Membrane Proteins
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Plant Proteins
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nodulin
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GTP-Binding Proteins