What are Zoosporic fungi?
Zoosporic true fungi (often called chytrids) include a very large and diverse group of microorganisms which have been commonly observed growing on many substrates in samples collected from both soil and freshwater habitats (Sparrow, 1960; Powell, 1993; Barr, 2001; Shearer et al., 2007).
Which of the following are Zoosporic fungi?
Zoosporic hyperparasites have been described in the fungal groups Chytridiomycota, Blastocladiomycota, and Cryptomycota (Opisthokonts, for examples see Table 1). Within the heterokonts the groups Hyphochytriomycota, Oomycota, Labyrinthulomycota, and Phytomyxea contain hyperparasitic species (Table 2).
What are some examples of Chytridiomycota?
In aquatic environments they mostly form scanty filaments with sporangia. Some examples of the Chytridiomycota are Allomyces, a water mold, Synchytrium endobioticum, a pathogen of potato, and Neocallimastix, a chytrid that lives symbiotically in the gut of herbivores, such as cattle.
What is the definition of zoospores in biology?
In biology, a zoospore is a tiny, seed-like cell that propels itself using a long appendage called a flagellum. Some types of bacteria and fungi have zoospores, whose mobility helps them reproduce more efficiently. For some organisms, like moss, mushrooms, and ferns, tiny spores are the way they reproduce.
What are the characteristics of oomycetes?
Morphological characteristics of oomycetes. One of the most distinguishing characteristics is the production of zoospores produced in sporangia. The anterior flagellum of a zoospore is a tinsel type, while the posterior flagellum is a whiplash type; both are typically attached in a ventral groove (Figure 2).
What is Sporangiospore?
Sporangiospores are spores that are produced in an enclosed, sac-like structure, called a sporangium, at the end of the sporangiophores.
Why Chytridiomycota are called Chytridiomycota?
Chytridiomycota are a division of zoosporic organisms in the kingdom Fungi, informally known as chytrids. The name is derived from the Greek χυτρίδιον chytridion, meaning “little pot”, describing the structure containing unreleased zoospores.
What is the meaning of Chytridiomycota?
Chytridiomycota, a phylum of fungi (kingdom Fungi) distinguished by having zoospores (motile cells) with a single, posterior, whiplash structure (flagellum). Species are microscopic in size, and most are found in freshwater or wet soils. Most are parasites of algae and animals or live on organic debris (as saprobes).
What is the role of Chytridiomycota?
Chytridiomycota (true chytrids) are aerobic zoosporic fungi that operate as saprotrophs and pathogens in freshwater, brackish, and marine habitats, and are also abundant in soil. The host range of pathogenic chytrids includes other fungi, algae, plants, and amphibians.
What is the full meaning of zoospore?
: an independently motile spore especially : a motile usually naked and flagellated asexual spore especially of an alga or lower fungus.
What is zoospore with example?
A zoospore is a spore that is motile in nature. They are asexual animals, as they give rise to new individuals without sexual fusion. Examples include spores of some algae, fungi, and protozoans i.e. Phytophthora, Saprolegnia, Albugo, Achlya, etc.
What is the medical definition of a zoospore?
Medical Definition of zoospore. : an independently motile spore especially : a motile usually naked and flagellated asexual spore especially of an alga or lower fungus. Other Words from zoospore. zoosporic \\ ˌzō-ə-ˈspōr-ik, -ˈspȯr- \\ adjective.
Which is one of two profiles on fungal zoospores?
This is one of two Profiles on fungal zoospores (motile, flagellate spores). It introduces the subject, describes the structure and behaviour of zoospores of the economically important oomycota (e.g. potato blight), and links to a page on natural toxins produced by oat roots, which lyse zoospores (see Zoospores and saponins ).
What makes a zoospore an asexual spore?
A zoospore is a motile asexual spore that uses a flagellum for locomotion. Also called a swarm spore, these spores are created by some protists, bacteria, and fungi to propagate themselves.
How are zoosporic fungi placed in the phylum Blastocladiomycota?
Zoosporic fungi are placed into the Phylum Blastocladiomycota based primarily on morphological and cytological characters, including a zoospore with a single whiplash flagellum, a nuclear cap, and side–body complex (microbody lipid–globule complex), as well as life cycles with alternation of gametophyte and sporophyte generations.