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Some animals, particularly ruminants and termites, can digest cellulose with the help of symbiotic micro-organisms that live in their guts, such as Trichonympha. In human nutrition, cellulose is a non-digestible constituent of insoluble dietary fiber, acting as a hydrophilic bulking agent for feces and potentially aiding in defecation.
A monogastric organism is contrasted with ruminant organisms (which have four-chambered complex stomachs), such as cattle, goats, and sheep. Herbivores with monogastric digestion can digest cellulose in their diets by way of symbiotic gut bacteria. However, their ability to extract energy from cellulose digestion is less efficient than in ...
Definitive or primary host – an organism in which the parasite reaches the adult stage and reproduces sexually, if possible. This is the final host. Secondary or intermediate host – an organism that harbors the sexually immature parasite and is required by the parasite to undergo development and complete its life cycle. It often acts as a ...
Trichonympha is a vital part of the hindgut microbiota of these organisms. Lower termites and wood roaches have a diet composed almost exclusively of wood and wood-related items, such as leaf litter, [12] and therefore, need to digest large quantities of cellulose, lignocellulose and hemicellulose. [12]
Cellulose is a polymer made with repeated glucose units bonded together by beta-linkages. Humans and many animals lack an enzyme to break the beta-linkages, so they do not digest cellulose. Certain animals, such as termites can digest cellulose, because bacteria possessing the enzyme are present in their gut. Cellulose is insoluble in water.
Cellulase enzymes are used to break down cellulose which is found in plants' cell walls. The termites, the gut protist Trichonympha, and the cellulase-producing bacteria are all involved in a 3-way obligate symbiotic mutualism. The termites benefit from the other two species because they transform the wood into nutrients that the termites can ...
Accused CEO killer Luigi Mangione made at least one crucial mistake before his bust at an Altoona, Pa., McDonald’s on Monday — he lowered his face mask to munch on some hash browns, new photos ...
Associations between a host species and a microbe living in the host's digestive tract, wherein the host provides habitat and nourishment to the microbe in exchange for digestive services. For example, termites receive nourishment from cellulose digested by microbes inhabiting their gut.