Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
oomycete .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists
Etymologies
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Examples
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Fungi and fungal-like microbes known as oomycetes produce effector molecules that penetrate cells and switch off the host's defense system.
THE MEDICAL NEWS 2010
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Microbes using this infection mechanism include fungi that are currently causing wheat rust epidemics in Africa and Asia, and a class of parasitic algae, called oomycetes, that resulted in the Irish potato blight of the 19th Century.
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In addition, in water environments, oomycetes cause destructive diseases in people and animals.
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The novelty and simplicity of the mechanism used by fungi and oomycetes to insert their effectors into host cells.
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Also, the binding lipid used by the effectors of fungi and oomycetes had never before been detected on cell surfaces (although it had been detected inside cells).
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It was previously known that some bacteria, fungi and oomycetes infect plants by slipping effectors that disable immune systems into plant cells.
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By contrast, the mechanism used by fungi and oomycetes -- neither of which have an injection apparatus -- to slip their effectors into plant cells had not been previously identified before.
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The discovery that fungi and oomycetes use the same binding mechanism to introduce effectors into plant cells, even though these two classes of microbes are evolutionarily distinct from one another.
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The researchers also found evidence suggesting that fungi and oomycetes might infect humans and animals through the same newly-discovered mechanism as they use to infect plants.
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This finding opens new potential avenues for developing therapies for fighting diseases caused by fungi and oomycetes.
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