Results 251 to 260 of about 48,742 (271)
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Chitin-Protein Molecular Organization in Arthropod
1986Many fibrous biological structures show a supramolecular organization geometrically comparable to a “twisted plywood” 1. This arrangement is similar to that of molecules in cholesteric* liquid crystals, but the liquid character is often abolished by the presence of molecular crosslinks.
M. M. Giraud-Guille, Y. Bouligand
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Differential induction of tomato foliar proteins by arthropod herbivores
Journal of Chemical Ecology, 1994The effects of mechanical and chemical damage and three types of biotic damage on the activities of four foliar proteins of the tomato plant (Lycopersicon esculentum Mill var. Castlemart) were assayed. Proteinase inhibitor, polyphenol oxidase, peroxidase, and lipoxygenase activities were assayed in damaged leaflets and compared with activities in ...
M J, Stout, J, Workman, S S, Duffey
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Autophosphorylating protein kinase activity in titin-like arthropod projectin
Journal of Molecular Biology, 1992The function of the high molecular weight structural proteins from muscle, namely vertebrate titin, arthropod projectin and nematode twitchin, remains to be established. Using a simple method for the purification of projectin from crayfish and Drosophila melanogaster, a polyclonal antibody has been raised against crayfish projectin, and shown to ...
M, Maroto +3 more
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Stacked Bt Proteins Pose No New Risks to Nontarget Arthropods
Trends in Biotechnology, 2020Concerns have been raised that multiple insecticidal proteins produced by genetically engineered (GE) crops may interact unexpectedly and pose new threats to biodiversity and nontarget organisms. We reviewed the literature to assess whether this concern is justified and whether the current regulatory framework needs to be adapted to address this ...
Jörg Romeis, Michael Meissle
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Antifreeze and Ice Nucleator Proteins in Terrestrial Arthropods
Annual Review of Physiology, 2001▪ Abstract Terrestrial arthropods survive subzero temperatures by becoming either freeze tolerant (survive body fluid freezing) or freeze avoiding (prevent body fluid freezing). Protein ice nucleators (PINs), which limit supercooling and induce freezing, and antifreeze proteins (AFPs), which function to prevent freezing, can have roles in both freeze
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Evolution of the arthropod prophenoloxidase/hexamerin protein family
Immunogenetics, 1999Phylogenetic analysis of the prophenoloxidase/hexamerin family of arthropods revealed four well supported subfamilies: (1) the arylphorin subfamily, including arylphorins, storage proteins, and other proteins of uncertain function from insects; (2) the hemocyanins of branchiopod crustaceans, which are copper-binding proteins involved in oxygen ...
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Evolving role of Antennapedia protein in arthropod limb patterning
Development, 2002Evolutional changes in homeotic gene functions have contributed to segmental diversification of arthropodan limbs, but crucial molecular changes have not been identified to date. The first leg of the crustacean Daphnia lacks a prominent ventral branch found in the second to fourth legs.
Yasuhiro, Shiga +3 more
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Arthropod‐Derived Protein EV131 Inhibits Histamine Action and Allergic Asthma
Annals of the New York Academy of Sciences, 2005Histamine is an important mediator of allergic responses. Arthropods express several biologically active proteins in their saliva, which may allow a prolonged blood meal on the host. Proteins identified and expressed include histamine, serotonin, tryptase, and complement binding proteins.
Weston-Davies, W. +8 more
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Resilin. A Rubberlike Protein in Arthropod Cuticle
1964Publisher Summary Resilin is a structural protein, which was discovered recently as a major constituent of certain elastic hinges and tendons in the cuticle of locusts and dragonflies. It is also present as an insoluble gel-like component in certain patches of the cuticle of insects and crayfish.
Svend Olav Andersen, Torkel Weis-Fogh
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Structure and Experimental Uses of Arthropod Venom Proteins
1996In summary, the initial studies conducted thus far into the components of venoms of parasitic wasps and other arthropods have already yielded a number of interesting properties of the proteins therein. These properties have already offered the possibilities of additional principles operating in the evolution of venoms.
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