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Keywords: Phenoloxidase
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Journal Articles
J Exp Biol (2017) 220 (5): 868–875.
Published: 01 March 2017
... development time and increased the concentration of the stress neurohormone octopamine. It had no significant effect on haemocyte number, melanization rate, phenoloxidase activity, lysozyme-like activity or nodule production. Predator stress reduced haemolymph glutathione concentrations. It also increased...
Journal Articles
J Exp Biol (2016) 219 (5): 706–718.
Published: 01 March 2016
... activated during an immune challenge) and increased emphasis on constitutive defenses (i.e. immune components that are produced consistently). We also found changes suggesting that the activation threshold for some immune responses (e.g. phenoloxidase) was lowered. Changes in the configuration of the immune...
Journal Articles
J Exp Biol (2014) 217 (20): 3664–3669.
Published: 15 October 2014
... © 2014. Published by The Company of Biologists Ltd 2014 Thermoregulatory-dependent immune investment Temperature Ecoimmunology Phenoloxidase Seasonality Plasticity Insects are ectothermic poikilotherms whose body temperature covaries with ambient temperature. Still, insects can...
Journal Articles
J Exp Biol (2014) 217 (8): 1238–1245.
Published: 15 April 2014
... © 2014. Published by The Company of Biologists Ltd 2014 Infectious disease Innate immunity Immunology Phenoloxidase Blood meal The female Anopheles gambiae mosquito is the major vector of malaria in sub-Saharan Africa. One of the most important determinants of vector competence is the...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (21): 4005–4010.
Published: 01 November 2013
...Kenneth M. Fedorka; Emily K. Copeland; Wade E. Winterhalter SUMMARY To improve thermoregulation in colder environments, insects are expected to darken their cuticles with melanin via the phenoloxidase cascade, a phenomenon predicted by the thermal melanin hypothesis. However, the phenoloxidase...
Journal Articles
J Exp Biol (2012) 215 (8): 1313–1322.
Published: 15 April 2012
... cellular defence drone honey bee insect immunity lysozyme nodulation phenoloxidase vitellogenin Honey bees – like all insects – lack an adaptive immune system. Instead they rely on innate immune reactions to combat intruding microorganisms. The innate immune response is manifested in three...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (12): 1997–2004.
Published: 15 June 2011
... average field temperature and 5°C above their preferred temperature) resulted in increased egg laying, faster egg development and greater mass gain. The increased temperature also increased activity of phenoloxidase and lysozyme-like enzymes, two immune-related enzymes, and enhanced resistance to the Gram...