What is micro and macroconidia?
Macro and micro conidia are asexual spores formed by mitosis in structures called conidiophores. These vary in size and number of cells, small conidia formed by single (generally) cells are microconidia; big ones formed by several cells are macroconidia (Fusarium forms macroconidia).
What is a Microconidia?
Medical Definition of microconidium : a conidium of the smaller of two types produced by the same species and often differing in shape (as in members of the genus Fusarium) — compare macroconidium.
How do Sporangiospores and Conidiospores differ?
Sporangiospores are produced inside specialized cells called sporangia and remain enclosed in the cells until maturity. Conidia may be produced inside a cell (although not always) but at maturity they will be exposed to the external environment.
Which organism produces macroconidia and Microconidia?
The pathogenic fungus, Histoplasma capsulatum, exists in nature as a filamentous organism that produces two asexual spores, microconidia and tuberculate macroconidia.
What is the function of macroconidia?
These asexual spores play important roles in the disease cycle: macroconidia and microconidia are produced on the stem surfaces of infected plants and serve as secondary inocula to spread the fungus to neighboring host plants, and chlamydospores are endurance organs in soil and act as primary inocula when suitable host …
Are ascomycota Septate or Nonseptate?
Classification of Fungi
| Group | Common Name | Hyphal Organization |
|---|---|---|
| Ascomycota | Sac fungi | septate hyphae |
| Basidiomycota | Club fungi | septate hyphae |
| Glomeromycota | Mycorrhizae | coenocytic hyphae |
| Microsporidia | Often still referred to as protists | N/A |
What is a Pseudohyphae?
Pseudohyphae are a distinct growth form that differs from both yeast cells and parallel-sided hyphae and are characterized by synchronously dividing elongated yeast cells (5, 7, 41, 42).
Is Histoplasma a yeast?
Histoplasma capsulatum is a dimorphic fungus that remains in a mycelial form at ambient temperatures and grows as yeast at body temperature in mammals.
What is the basic difference between conidia and sporangiospores 1?
Conidia are borne externally on conidiophores, whereas sporangiospores are produced inside sporangia.
What is the difference between sporangiospores and Sporangiophore?
The key difference between conidiophore and sporangiophore is that conidiophore is the aerial hypha of ascomycetes fungi that bears asexual spores called conidia while sporangiophore is the aerial hypha of zygomycetes fungi that bears asexual spores called sporangiospores. They reproduce sexually as well as asexually.
What is the function of Microconidia?
The microconidia can function either as spermatia (male gametes) or as asexual reproductive structures or both. In nature they probably function exclusively in fertilization of protoperithecia.
What is the difference between macroconidia microconidia and endospores?
Aerial hyphae often produce asexual reproduction propagules termed conidia (synonymous with spores). Relatively large and complex conidia are termed macroconidia while the smaller and more simple conidia are termed microconidia. When the conidia are enclosed in a sac (the sporangium), they are called endospores. Click to see full answer.
What is the difference between microconidia macroconidia and phialide?
Phialide: A single, slender, tubular conidiophore. Microconidia: Small, unicellular conidia that are round, elliptical, or pyriform (pear-shaped). Macroconidia: Large, multi-septate conidia that are club- or spindle-shaped.
What is a macroconidia in plants?
Macroconidia: Large, multi-septate conidia that are club- or spindle-shaped. (a) Macroconidia and microconidia of Trichophyton spp. (b) Macroconidia of Epidermophyton spp, which do not produce microconidia.
What is microconidia and tuberculate macroconidia?
The pathogenic fungus, Histoplasma capsulatum, exists in nature as a filamentousorganism that produces two asexual spores, microconidia and tuberculate macroconidia. Click to see full answer. Just so, what is Microconidia and Macroconidia? Aerial hyphae often produce asexual reproduction propagules termed conidia(synonymous with spores).