K J Kramer
Affiliation: Kansas State University
- Insect chitinases: molecular biology and potential use as biopesticidesK J Kramer
Grain Marketing and Production Research Center, Agricultural Research Service, U S Department of Agriculture, Manhattan, KS 66502 2736, USA
Insect Biochem Mol Biol 27:887-900. 1997..Current knowledge regarding the molecular biology and biopesticidal action of insect and several other types of chitinases is described in this mini-review...
- Luminal proteinases from Plodia interpunctella and the hydrolysis of Bacillus thuringiensis CryIA(c) protoxinB Oppert
U S Grain Marketing Research Laboratory, ARS USDA, Manhattan, KS 66502 2736, USA
Insect Biochem Mol Biol 26:571-83. 1996..Several serine proteinase inhibitors reduced gut enzyme activities, with two soybean trypsin inhibitors, two potato inhibitors, and chymostatin the most effective in preventing protoxin hydrolysis...
- Proteinase-mediated insect resistance to Bacillus thuringiensis toxinsB Oppert
United States Grain Marketing Research Laboratory, United States Department of Agriculture, Agricultural Research Service, Manhattan, Kansas 66502 2736, USA
J Biol Chem 272:23473-6. 1997....
- Properties of Manduca sexta chitinase and its C-terminal deletionsX Zhu
Department of Biochemistry, Kansas State University, Manhattan, KS 66506, USA
Insect Biochem Mol Biol 31:1221-30. 2001..The results support the hypothesis that multiple forms of this enzyme occur in vivo due to proteolytic processing at the C-terminal end and differential glycosylation...
- Regulation of chitin synthesis in the larval midgut of Manduca sextaL Zimoch
Department of Biology/Chemistry, Division of Animal Physiology, , Barbarastr. 11, , Germany
Insect Biochem Mol Biol 35:515-27. 2005....
- Compensatory proteolytic responses to dietary proteinase inhibitors in the red flour beetle, Tribolium castaneum (Coleoptera: Tenebrionidae)B Oppert
USDA ARS Grain Marketing and Production Research Center, Manhattan, KS 66502, USA
Comp Biochem Physiol C Toxicol Pharmacol 140:53-8. 2005..castaneum larvae on midgut proteolytic activity and beetle developmental time is achieved through the prevention of the adaptive proteolytic response to overcome the activity of either type of inhibitor...
- Effects of proteinase inhibitors on digestive proteinases and growth of the red flour beetle, Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae)B Oppert
USDA ARS Grain Marketing and Production Research Center, 1515 College Ave, Manhattan, KS 66502, USA
Comp Biochem Physiol C Toxicol Pharmacol 134:481-90. 2003..These proteinaceous inhibitors are promising candidates for transgenic seed technology to reduce seed damage by T. castaneum...
- Characterization and cDNA cloning of three major proteins from pharate pupal cuticle of Manduca sextaR J Suderman
Department of Biochemistry, Kansas State University, Willard Hall, Manhattan, KS 66506 3706, USA
Insect Biochem Mol Biol 33:331-43. 2003..sexta where they become sclerotized in the formation of pupal exocuticle...
- Effects of a potato cysteine proteinase inhibitor on midgut proteolytic enzyme activity and growth of the southern corn rootworm, Diabrotica undecimpunctata howardi (Coleoptera: Chrysomelidae)J Fabrick
Department of Biochemistry, Willard Hall, Kansas State University, Manhattan, KS 66506, USA
Insect Biochem Mol Biol 32:405-15. 2002..We suggest that expression of inhibitors such as PCPI-10' by transgenic corn plants in the field is a potentially attractive method of host plant resistance to these Diabrotica species...
- The Tribolium chitin synthase genes TcCHS1 and TcCHS2 are specialized for synthesis of epidermal cuticle and midgut peritrophic matrixY Arakane
USDA-ARS-Grain Marketing and Production Research Center, Manhattan, KS 66502, USA
Insect Mol Biol 14:453-63. 2005..However, RNAi-mediated down-regulation of TcCHS2, but not TcCHS1, led to cessation of feeding, a dramatic shrinkage in larval size and reduced chitin content in the midgut...