title: [The role of alpha-amylase of symbiotic microflora in digestion by lower cestodes and their fish hosts].
abstract: The symbiotic microflora associated with the digestive-transport surfaces of the pike intestine and the parasitic cestodes Triaenophorus nodulosus proved capable of the initial stages of carbohydrate hydrolysis mediated by alpha-amylase. The products of hydrolysis by alpha-amylase can be used by both the host and the parasite, which decreases energy expenditures of the macroorganisms. The levels of the bacterial alpha-amylase activity are comparable to those of the analogous enzyme absorbed on the mucosa of the intestine and on the cestode tegument, which indicates a considerable contribution of enzymes of the symbiotic microflora to digestion by the host and the parasite. Apparently, this contribution depends on the fish diet.
authors: G I
authors: GI
authors: Izvekova
authors: A V
authors: AV
authors: Komova
mesh_terms: D000818:Animals; D001419:Bacteria / Q000201:enzymology*; D050260:Carbohydrate Metabolism; D002589:Cestoda / Q000382:microbiology*; D004063:Digestion; D017859:Esocidae / Q000469:parasitology*; D006868:Hydrolysis; D007422:Intestines / Q000201:enzymology; D013559:Symbiosis; D000516:alpha-Amylases / Q000032:analysis / Q000378:metabolism*
chemical_list: D000516:alpha-Amylases