Reference : Termites artificially-fed on unusual diet and resulting enzymatic switches
Scientific congresses and symposiums : Poster
Life sciences : Entomology & pest control
http://hdl.handle.net/2268/147813
Termites artificially-fed on unusual diet and resulting enzymatic switches
English
Bauwens, Julien mailto [Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
Tarayre, Cédric mailto [Université de Liège - ULiège > Chimie et bio-industries > Bio-industries >]
Matteotti, Christel []
Brasseur, Catherine mailto [Université de Liège - ULiège > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.) >]
Destain, Jacqueline mailto [Université de Liège - ULiège > Chimie et bio-industries > Bio-industries >]
Vandenbol, Micheline mailto [Université de Liège - ULiège > Chimie et bio-industries > Microbiologie et génomique >]
Portetelle, Daniel mailto [Université de Liège - ULiège > Chimie et bio-industries > Microbiologie et génomique >]
Thonart, Philippe mailto [Université de Liège - ULiège > Département des sciences de la vie > Biochimie et microbiologie industrielles >]
De Pauw, Edwin mailto [Université de Liège - ULiège > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.) >]
Haubruge, Eric mailto [Université de Liège - ULiège > Services administratifs généraux > Vice-Recteur de Gembloux Agro Bio Tech >]
Francis, Frédéric mailto [Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
Aug-2012
Yes
International
24th International Congress of Entomology
du 19/08/2012 au 25/08/2012
[en] enzymatic activity ; lower termites ; symbionts ; starch ; cellulose
[en] Wood-feeding termites as Reticulitermes santonensis generally feed on cellulose, hemicelluloses and lignin. However, these
opportunistic insects are also able to degrade other carbohydrates, such as starch. The production of putative endogenous α -
amylase has been previously shown in R. flavipes, as the disappearance of the major symbiotic flagellates from the hindgut. Here,
we compared enzymatic activities (CMCase, MCCase, xylanase, amylase, α- and β-glucosidase) between different fractions of the
digestive tract of starch-, cellulose-, and wood-fed termites. Main compounds of the artificial diets, namely starch or MCC, resulted
in differential enzymatic activity. Even the substitution of wood by artificial diets itself seemed to induce changes in enzymatic
activities, regardless of the main substrate in the diet, as we observed strong midgut α-glucosidase activity only for artificially-fed
termites. Preliminary assays to isolate and characterize enzymes were performed using proteomic methods.
http://hdl.handle.net/2268/147813

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