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Saprotrophic nutritionSaphrotrophic nutrition (sah-FF-row-tro-FIK) is a process of chemoautotrophic extra-cellular digestion involved in the processing of dead or decayed organic matter which occurs in saprotrophs or heterotrophs, and is most often associated with fungi such as the Mucor or Rhizopus. The process is most often facilited through the active transport of such materials through endocytosis within the internal mycelium and its constituent hyphae.[1] Additional recommended knowledge
ProcessExplanationAs matter decomposes within a medium in which a saprotroph is residing, the saphrotroph breaks such matter down into their composites;
These products are re-absorbed into the hypha through the cell wall via endocytosis and passed on throughout the mycelium complex. This facilitates the passage of such materials throughout the organism and allows for growth, and if necessary, repair.[1] ConditionsIn order for a saprotrophic organism to facilitate optimal growth and repair, favourable conditions and nutrients must be present.[3] Optimal conditions refers to several conditions which optimise the growth of saprotrophic organisms, such as;
The majority of nutrients taken in by such organisms must be able to provide carbon, proteins, vitamins and in some cases, ions. Due to the carbon composition of the majority of organisms, dead and organic matter provide rich sources of polysaccharides disaccharides such as glucose, maltose and starch.[1] In terms of nitrogen-rich sources, saprotrophs require combined protein for the creation of proteins, which is facilitated by the absorption of amino acids, and usually taken from rich soil. Although both ions and vitamins are rare, thiamine or ions such as potassium, phosphorus and magnesium aid the growth of the mycelium.[1] References
See also
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Saprotrophic_nutrition". A list of authors is available in Wikipedia. |