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A hypha bearing sporangium is called _______________

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Last updated date: 19th Jul 2024
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Answer
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Hint: A hypha is a fungus, oomycete, or actinobacterium's long, branching filamentous structure. In most fungi, hyphae are the primary mode of vegetative growth and are referred to collectively as a mycelium.

Complete answer:
• A hypha is made up of one or more cells that are surrounded by a tubular cell wall. Most fungi divide their hyphae into cells via internal cross-walls known as "septa" (singular septum). Septa are typically perforated by pores large enough to allow ribosomes, mitochondria, and occasionally nuclei to pass between cells.
• In contrast to plants and oomycetes, which have cellulose cell walls, the major structural polymer in fungal cell walls is typically chitin. Some fungi have septate hyphae, which means that their hyphae are not divided by septa.
• A sporangiophore is a hypha-bearing sporangium.
• In Rhizopus, hyphae are tubular thread-like structures with sporangia at their tips. Rhizopus is a saprobic fungus that feeds on decaying organic matter. Its body is made up of branching mycelium composed of three types of hyphae: rhizoids, stolons, and unbranched sporangiophores.
• Rhizoids are hyphae that grow downward into the soil and help with water absorption. A stole is a thin horizontal hypha that aids in the propagation of an organism. Sporangiophores are simple, unbranched tubular threads with rounded sporangia at their tips. Sporangia produce non-motile multinucleate spores for asexual reproduction.

Note: Hyphae can be modified in a variety of ways to perform specific functions. Some parasitic fungi develop haustoria that aid in absorption within host cells. Arbuscules of mutualistic mycorrhizal fungi perform a similar function in nutrient exchange and are therefore important in assisting plant nutrient and water absorption.