Cathepsin D-like aspartic proteinase occurring in a maize weevil, Sitophilus zeamais, as a candidate digestive enzyme

The maize weevil, Sitophilus zeamais, is an insect pest infesting rice and corn seeds. We identified an aspartic proteinase (AP) digesting rice glutelin in the alimentary tract of S. zeamais. The mRNA encoding the AP (SAP1) was expressed in the larvae foregut and in the adult midgut. These results i...

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Veröffentlicht in:	Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2009-10, Vol.73 (10), p.2338-2340
Hauptverfasser:	Matsumoto, I.(Tokyo Univ. (Japan)), Asakura, T, Ohmori, T, Tamura, T, Abe, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals ARROZ aspartic proteinase Biological and medical sciences Cathepsin D - chemistry Cathepsin D - classification Cathepsin D - genetics Cathepsin D - metabolism Cattle CURCULIONIDAE Digestive System - enzymology EXPRESION GENICA EXPRESSION DES GENES Fundamental and applied biological sciences. Psychology GENE EXPRESSION GLUTELINAS GLUTELINE GLUTELINS Humans insect gut MAIS MAIZ MAIZE maize weevil Molecular Sequence Data Oryza sativa PEPTIDASAS PEPTIDASE PEPTIDASES Phylogeny PROTEASAS PROTEASE PROTEASES RICE RIZ RNA, Messenger - genetics RNA, Messenger - metabolism SITOPHILUS ZEAMAIS Weevils - enzymology Zea mays
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Zusammenfassung:	The maize weevil, Sitophilus zeamais, is an insect pest infesting rice and corn seeds. We identified an aspartic proteinase (AP) digesting rice glutelin in the alimentary tract of S. zeamais. The mRNA encoding the AP (SAP1) was expressed in the larvae foregut and in the adult midgut. These results indicate that SAP1 is probably digestive enzyme of S. zeamais.
ISSN:	0916-8451 1347-6947
DOI:	10.1271/bbb.90372