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Microbio Lecture 19 - PART 1
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Mutualism
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A type of symbiosis where both partners benefit from the relationship.
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Mycorrhizal fungi
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Fungi that form symbiotic relationships with the roots of plants, providing nutrients such as nitrogen and phosphorus.
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1
Mutualism
A type of symbiosis where both partners benefit from the relationship.
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2
Mycorrhizal fungi
Fungi that form symbiotic relationships with the roots of plants, providing nutrients such as nitrogen and phosphorus.
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3
Rhizobia
Bacteria that fix nitrogen in symbiotic partnerships with legumes.
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4
Leghemoglobin
A protein produced by plants that transport and regulate oxygen levels in the root nodules without harming the nitrogenase enzyme.
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5
Nod factors
Chemicals produced by rhizobia that signal and modulate the behavior of the plant to facilitate symbiosis.
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6
Flavonoids
Plant compounds that attract rhizobia and play a role in establishing symbiotic relationships.
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7
Rhizosphere
The area around a plant root where interactions with microbiota occur, influencing plant health and nutrient uptake.
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8
Symbiosome
A membrane-bound structure within root nodules formed from the fusion of plant and bacterial membranes during symbiosis.
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9
Infection thread
A tubular structure formed by the plant during the infection process, facilitating the entry of rhizobia into root cells.
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10
Nitrogenase
An enzyme that catalyzes the conversion of atmospheric nitrogen into ammonia, crucial for nitrogen fixation.
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11
Syntrophy
A type of mutualistic relationship where two different organisms depend on each other for nutrients or metabolic processes.
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12
Microbiome
A community of microorganisms living in a specific environment, such as the human gut, that play crucial roles in health.
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13
Bacteroid
A form of rhizobia in root nodules; it's a specialized cell that helps in nitrogen fixation.
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14
Obligate symbiosis
A type of symbiosis where one partner cannot live without the other.
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15
Chemical language
The specific signaling mechanisms through which plants and microbes communicate to establish and regulate symbiotic relationships.
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