autoecious
Definition
Adjective: 1. Completing an entire life cycle on a single host: In biology, especially parasitology and mycology, 'autoecious' describes a parasite, particularly a rust fungus, that does not require alternating between different host species to complete its reproductive life cycle. All stages of development occur on one type of host plant.
Usage
- This term is highly specialized and used almost exclusively in scientific contexts, particularly in botany, plant pathology, and mycology.
- It is the opposite of 'heteroecious'.
- It is typically used attributively (before a noun) to describe the parasite or its life cycle.
Examples
- The autoecious nature of this rust fungus makes it easier to study in a controlled environment.
- Unlike many rusts that require two hosts, this species is autoecious, completing all spore stages on wheat.
- An autoecious life cycle can be an advantage for a pathogen in a monoculture agricultural system.
Advanced Usage
- The term can be applied in a broader parasitological context beyond fungi, though this is less common. For example: "The louse is an autoecious parasite, spending its entire life on human hosts."
Variants and Related Words
- Autoecism (noun): The condition of being autoecious.
- The autoecism of the fungus simplifies its management.
- Heteroecious (adjective): The antonym; requiring two or more different host species to complete the life cycle.
Synonyms
- Monoxenous (used more broadly in parasitology for parasites using a single host species)
Adjective
-
of parasites especially rust fungi; completing the entire life cycle on a single host
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autoecious rust fungi
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