The industrial cultivated basidiomycete Agrocybe aegerita, also known as “Pioppino” in Italy or “Samthaube” in Germany, is a high quality mushroom with a delicious aroma. Cultivation of A. aegerita on wheat straw ...The industrial cultivated basidiomycete Agrocybe aegerita, also known as “Pioppino” in Italy or “Samthaube” in Germany, is a high quality mushroom with a delicious aroma. Cultivation of A. aegerita on wheat straw supplemented with different residues of the food industry showed the highest yields in fruiting body production with a biological efficiency of 36% when black tea pomace was added. The addition of other substrates resulted in biological efficiencies of 23% to 33%. Besides the mushroom yields, the number and size of fruiting bodies harvested on the different substrates were determined. A comparison of the aroma profiles of A. aegerita grown on wheat straw and on wheat straw supplemented with black tea by means of GC/MS/MS/O is presented.展开更多
Objective： To evaluate the potential adjuvant effect of Agrocybe aegerita lectin （AAL）, which was isolatedfrom mushroom, against a virulent H9N2 strain in vivo and in vitro. Methods： In trial 1, 50 BALB/c male mi...Objective： To evaluate the potential adjuvant effect of Agrocybe aegerita lectin （AAL）, which was isolatedfrom mushroom, against a virulent H9N2 strain in vivo and in vitro. Methods： In trial 1, 50 BALB/c male mice （8 weeksold） were divided into five groups （n=10 each group） which received a subcutaneous injection of inactivated HgN2（control）, inactivated HgN2＋0.2% （w/w） alum, inactivated HgN2＋0.5 mg recombinant AAL/kg body weight （BW）, inac-tivated HgN2＋1.0 mg AAl_/kg BW, and inactivated H9N2＋2.5 mg AAL/kg BW, respectively, four times at 7-d intervals. Intrial 2, 30 BALB/c male mice （8 weeks old） were divided into three groups （n=10 each group） which received a sub-cutaneous injection of inactivated HgN2 （control）, inactivated HmN2＋2.5 mg recombinant wild-type AAL （AAL-wt）/kg BWand inactivated H9N2＋2.5 mg carbohydrate recognition domain （CRD） mutant AAL （AAL-mutR63H）/kg BW,respectively, four times at 7-d intervals. Seven days after the final immunization, serum samples were collectedfrom each group for analysis. Hemagglutination assay, immunogold electron microscope, lectin blotting, and co-immunoprecipitation were used to study the interaction between hAL and HgN2 in vitro. Results： IgG, IgG1, and IgG2aantibody levels were significantly increased in the sera of mice co-immunized with inactivated HgN2 and AAL whencompared to mice immunized with inactivated H^N2 alone. No significant increase of the IgG antibody level was de-tected in the sera of the mice co-immunized with inactivated HgN2 and AAL-mutR63H. Moreover, AAL-wt, but notmutant AAL-mutR63H, adhered to the surface of H9N2 virus. The interaction between AAL and the H9N2 virus wasfurther demonstrated to be associated with the CRD of AAL binding to the surface glycosylated proteins, hemagglutininand neuraminidase. Conclusions： Our findings indicated that AAL could be a safe and effective adjuvant capable ofboosting humoral immunity against HgN2 viruses in mice through its interaction with the viral surface glycosylatedproteins, hemagglutinin and neuraminidase.展开更多
文摘The industrial cultivated basidiomycete Agrocybe aegerita, also known as “Pioppino” in Italy or “Samthaube” in Germany, is a high quality mushroom with a delicious aroma. Cultivation of A. aegerita on wheat straw supplemented with different residues of the food industry showed the highest yields in fruiting body production with a biological efficiency of 36% when black tea pomace was added. The addition of other substrates resulted in biological efficiencies of 23% to 33%. Besides the mushroom yields, the number and size of fruiting bodies harvested on the different substrates were determined. A comparison of the aroma profiles of A. aegerita grown on wheat straw and on wheat straw supplemented with black tea by means of GC/MS/MS/O is presented.
基金supported by the National Natural Science Foundation of China(Nos.30771501 and 81102850)the National Basic Research Program(973)of China(No.2011CB811302)+2 种基金the National Mega Project on Major Drug Development(No.2009ZX09301-014-1)the Chinese 111 Project(No.B06018)the Wuhan Municipal Project(No.201160923296),China
文摘Objective： To evaluate the potential adjuvant effect of Agrocybe aegerita lectin （AAL）, which was isolatedfrom mushroom, against a virulent H9N2 strain in vivo and in vitro. Methods： In trial 1, 50 BALB/c male mice （8 weeksold） were divided into five groups （n=10 each group） which received a subcutaneous injection of inactivated HgN2（control）, inactivated HgN2＋0.2% （w/w） alum, inactivated HgN2＋0.5 mg recombinant AAL/kg body weight （BW）, inac-tivated HgN2＋1.0 mg AAl_/kg BW, and inactivated H9N2＋2.5 mg AAL/kg BW, respectively, four times at 7-d intervals. Intrial 2, 30 BALB/c male mice （8 weeks old） were divided into three groups （n=10 each group） which received a sub-cutaneous injection of inactivated HgN2 （control）, inactivated HmN2＋2.5 mg recombinant wild-type AAL （AAL-wt）/kg BWand inactivated H9N2＋2.5 mg carbohydrate recognition domain （CRD） mutant AAL （AAL-mutR63H）/kg BW,respectively, four times at 7-d intervals. Seven days after the final immunization, serum samples were collectedfrom each group for analysis. Hemagglutination assay, immunogold electron microscope, lectin blotting, and co-immunoprecipitation were used to study the interaction between hAL and HgN2 in vitro. Results： IgG, IgG1, and IgG2aantibody levels were significantly increased in the sera of mice co-immunized with inactivated HgN2 and AAL whencompared to mice immunized with inactivated H^N2 alone. No significant increase of the IgG antibody level was de-tected in the sera of the mice co-immunized with inactivated HgN2 and AAL-mutR63H. Moreover, AAL-wt, but notmutant AAL-mutR63H, adhered to the surface of H9N2 virus. The interaction between AAL and the H9N2 virus wasfurther demonstrated to be associated with the CRD of AAL binding to the surface glycosylated proteins, hemagglutininand neuraminidase. Conclusions： Our findings indicated that AAL could be a safe and effective adjuvant capable ofboosting humoral immunity against HgN2 viruses in mice through its interaction with the viral surface glycosylatedproteins, hemagglutinin and neuraminidase.
