Characterization of trypsin-like enzymes from the midgut of Morimus funereus (Coleoptera: Cerambycidae) larvae

  • Lončar, N.
  • Božić, Nataša
  • Nenadović, Vera
  • Ivanović, Jelisaveta
  • Vujčić, Zoran M.
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Publication date
January 2009
Journal
0354-4664

Abstract

The pH along the midgut of M. funereus larvae had different values, being acidic in the anterior section and basic in the middle and posterior sections. Elastase- and chymotrypsin-like activities were highest in the middle, low in the anterior, and negligible in the posterior section of the midgut. Trypsin-like activities were detected along the whole midgut, with more than 90% of activity in the anterior section. The level of elastase- and chymotrypsin-like activity was very low compared to trypsin-like activity. In the anterior section of the midgut, two isoforms of trypsin-like enzymes were found, both being basic and almost completely inhibited by benzamidine.pH vrednost duž srednjeg creva larvi M. funereus se razlikuje, kisela je u reg...

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