| Phytomyxea | ||||||||
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Lignieria |
The Phytomyxea are a group of protists that are parasites of plants. Animals Plants fungi, and Protists are eukaryotes (juːˈkærɪɒt or -oʊt Organisms whose cells are organized into complex The Rhizaria are a species-rich supergroup of Protists They vary considerably in form but for the most part they are Amoeboids with filose reticulose or microtubule-supported The Cercozoa are a group of Protists including most Amoeboids and Flagellates that feed by means of filose pseudopods Protists (ˈproʊtɨst are a diverse group of eukaryotic Microorganisms Historically protists were treated as the kingdom Protista but this Parasitism is a type of symbiotic relationship between Organisms of different Species. A more common name for them is the plasmodiophorids, but this does not always include Phagomyxa. They typically develop within plant cells, causing the infected tissue to grow into a gall or scab. Important diseases caused by phytomyxeans include club root in cabbage and its relatives, and powdery scab in potatoes. Clubroot is a common disease of Cabbages Radishes Turnips and other plants belonging to the family Cruciferae ( mustard family Powdery scab, is a disease that happens to Tubers It is caused by the Protozoa Spongospora subterranea, is widespread in Potato growing These are caused by species of Plasmodiophora and Spongospora, respectively.
The vegetative form is a multinucleate cell, called a plasmodium. In Cell biology, the nucleus (pl nuclei; from Latin la ''nucleus'' or la ''nuculeus'' "little nut" or kernel is a membrane-enclosed This ultimately divides to form new spores, which are released when the host's cells burst. Both resting spores and motile zoospores, which generally have two smooth flagella, are produced at different stages. A flagellum ( plural flagella) is a tail-like structure that projects from the Cell body of certain Prokaryotic and Eukaryotic cells and it Within the plasmodium, dividing nuclei have a distinctive cross-like appearance.
Plasmodiophorids are traditionally considered slime moulds, because of the plasmodial stage. Slime Mold is a broad term referring to amoeba-like organisms hence the name slime which feed on microorganisms in decaying vegetable matter hence the name Molds Thus they are often classified as fungi, and given names such as the Plasmodiophoromycota. A fungus (ˈfʌŋgəs is a eukaryotic Organism that is a member of the kingdom Fungi (ˈfʌndʒaɪ However, genetic and ultrastructural studies indicate they belong to a diverse group of protists called the Cercozoa, or are closely related to them. The Cercozoa are a group of Protists including most Amoeboids and Flagellates that feed by means of filose pseudopods
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