Results 171 to 180 of about 9,315 (215)

Host-associated beneficial gut microbiota boosts induced immunity and limits immune deployment costs in bumblebees. [PDF]

J Anim Ecol
Calhoun AC, Shosanya T, Long BK, Rehberger JK, Sadd BM.   +4 more
europepmc   +1 more source

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[The method of demonstrating phenoloxidase].

Acta histochemica, 1976
It is reported on the evidence of phenoloxidase containing cells (=POZ) under various experimental conditions in as well spleen and small gut of white rats as small gut and skin of rabbit. A modified technic is described which gives a shortened incubation time and a regulary pigmentation of the reactive cells.
H, Schmidt, F A, Kiss
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The distribution of phenoloxidases and polyphenols during cuticle formation

Tissue and Cell, 1971
The distribution of phenoloxidase and polyphenols have been studied during cuticle formation at the 4th to 5th molt in Colpodes ethius. Cuticular phenoloxidases arise in the epidermis in cisternae of the rough endoplasmic reticulum, pass through the Golgi complex and are transported to the apical face in secretory vesicles.
M, Locke, N, Krishnan
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Identification and isolation of endogenous insect phenoloxidase inhibitors

Biochemical and Biophysical Research Communications, 1992
Inhibitors of phenoloxidase were identified in pupae of the housefly, Musca domestica L. The phenoloxidase inhibitors were purified from final instar pupae of the housefly by a combination of ammonium sulfate fractionation, ion-exchange chromatography, gel filtration and reverse-phase high performance liquid chromatography.
T, Tsukamoto, Y, Ichimaru, N, Kanegae, K, Watanabe, I, Yamaura, Y, Katsura, M, Funatsu   +6 more
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Lipoprotein-induced phenoloxidase-activity in tarantula hemocyanin

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics, 2015
Phenoloxidases play vital roles in invertebrate innate immune reactions, wound closure and sclerotization processes in arthropods. In chelicerates, where phenoloxidases are lacking, phenoloxidase-activity can be induced in the oxygen carrier hemocyanin in vitro by proteolytic cleavage, incubation with the artificial inducer SDS, or lipids.
Sven, Schenk, Juliane, Schmidt, Ulrich, Hoeger, Heinz, Decker   +3 more
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Phenoloxidase System of the Blowfly, Calliphora erythrocephala

Science, 1964
In Calliphora larvae, an inactive precursor of the enzyme phenoloxidase is present in the hemolymph. A special activator enzyme is localized in the cuticle. When phenoloxidase precursor is allowed to react with the activator, it yields a soluble enzyme having the characteristics mainly of a diphenoloxidase.
C E, SEKERIS, D, MERGENHAGEN
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A fungal phenoloxidase (tyrosinase) involved in pentachlorophenol degradation

Biotechnology Letters, 2004
Amylomyces rouxii eliminated 85% of initial pentachlorophenol (PCP) at 12.5 mg l(-1) when grown with 0.1 g tyrosine l(-1), but only 55% without tyrosine. Addition of tyrosine in the culture medium increased the monophenolase activity by 1.8-fold. Tyrosinase is thus indicated to be the phenoloxidase involved in PCP degradation by A. rouxii .
A M, Montiel, F J, Fernández, J, Marcial, J, Soriano, J, Barrios-González, A, Tomasini   +5 more
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The cuticular phenoloxidase in Drosophila virilis

Journal of Insect Physiology, 1969
The cuticular phenoloxidase in the white puparia of Drosophila virilis was studied. The enzyme is firmly bound to the structure of the cuticle and could not be solubilized from the cuticle. Acetone-treated cuticular preparation oxidizes effectively hydroquinone, pyrogallol, p-aminophenol, dimethyl-p-phenylenediamine, and N-acetyldopamine.
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