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Keywords: Immunity
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Journal Articles
J Exp Biol (2022) 225 (16): jeb243910.
Published: 23 August 2022
...Hue Dinh; Ida Lundbäck; Sheemal Kumar; Anh The Than; Juliano Morimoto; Fleur Ponton ABSTRACT Nutrition is a central factor influencing immunity and resistance to infection, but the extent to which nutrition during development affects adult responses to infections is poorly understood. Our study...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (5): jeb243460.
Published: 8 March 2022
... activity. ILP3 upregulated insulin-insulin growth factor signaling in hemocytes, but few genes – including almost no transcripts for immune factors – were differentially expressed. ILP3 also stimulated circulating hemocytes to increase in two other anautogenous ( Anopheles gambiae and Culex...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (21): jeb233221.
Published: 4 November 2020
...Shabbir Ahmed; Yonggyun Kim ABSTRACT Several prostaglandins (PGs) and PG-synthesizing enzymes have been identified from insects. PGs mediate cellular and humoral immune responses. However, uncontrolled and prolonged immune responses might have adverse effects on survival. PG catabolism in insects...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (15): jeb225821.
Published: 13 August 2020
...Tania Y. Estévez-Lao; Leah T. Sigle; Scherly N. Gomez; Julián F. Hillyer ABSTRACT The circulatory and immune systems of mosquitoes are functionally integrated. An infection induces the migration of hemocytes to the dorsal vessel, and specifically, to the regions surrounding the ostia of the heart...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (14): jeb207019.
Published: 23 July 2019
...Shabbir Ahmed; Ariful Hasan; Yonggyun Kim ABSTRACT Prostaglandins (PGs) mediate various physiological functions in insects. Specifically, PGE 2 is known to mediate immunity and egg-laying behavior in the beet armyworm, Spodoptera exigua . A PGE 2 synthase 2 (Se-PGES2) has been identified...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (10): jeb202853.
Published: 24 May 2019
.... Immun.   6 , 192 - 204 . 10.1159/000353734 Beckage , N. E. ( 2008 ). Insect Immunology . San Diego , USA : Academic Press Elsevier . Beckman , K. B. and Ames , B. N. ( 1998 ). The free radical theory of aging matures . Physiol. Rev.   78 , 547 - 581 . 10.1152/physrev...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (7): jeb202077.
Published: 5 April 2019
..., immunity, lifespan, growth and behavioral development. Deformed wing virus (DWV) is a major pathogenic factor which threatens honey bee populations, and its replication is regulated by the nutrition status and immune response of honey bees. The alimentary canal of the honey bee is home to a diverse...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (13): jeb173146.
Published: 4 July 2018
...Abdullah Alzaid; Jin-Hyoung Kim; Robert H. Devlin; Samuel A. M. Martin; Daniel J. Macqueen ABSTRACT Suppression of growth during infection may aid resource allocation towards effective immune function. Past work supporting this hypothesis in salmonid fish revealed an immune-responsive regulation...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (12): jeb181107.
Published: 22 June 2018
... of Biologists Ltd 2018 http://www.biologists.com/user-licence-1-1/ Summary: Structural mechanics of hemolymph flow through the aorta and conical chamber of the African malaria mosquito, Anopheles gambiae . Heart Dorsal vessel Hemolymph Circulation Immunity In insects, the open...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (6): jeb175158.
Published: 26 March 2018
... the contents of the accessory testes actually enhanced bacterial growth, the contents of the spermatheca strongly inhibited it. Furthermore, mating appears to activate the general immune system in queens. However, antimicrobial activity in both the spermatheca and the control tissue (head–thorax homogenate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (22): 4204–4212.
Published: 15 November 2017
... of the greater wax moth ( Galleria mellonella ). We found that the number of colony-forming units of enterococci and expressions of certain immunity-related antimicrobial peptide (AMP) genes such as Gallerimycin , Gloverin , 6-tox , Cecropin-D and Galiomicin increased in response to a more diverse diet, which...
Journal Articles
J Exp Biol (2017) 220 (18): 3209–3221.
Published: 15 September 2017
... fractions can be categorized into two functional groups, i.e. biomineralization and immune response cells. Gene expression profiles of the putative biomineralizing hemocytes indicate that in addition to their proposed role in mineral transport, hemocytes also contribute to the formation of the ECM, thus...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (2): 237–246.
Published: 15 January 2017
... manipulation by the parasite, or is a by-product (e.g. host immune response) or side effect of infection (e.g. energetic loss), remains controversial. To understand the physiological mechanisms that generate these behavioural changes, we quantified the behavioural profiles of experimentally infected fish...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (13): 2106–2115.
Published: 1 July 2015
... and immune systems and in the production of coloured signals in various taxa, particularly birds. When birds have expended large amounts of carotenoids to feather growth such as after autumn moult, bird health and oxidative status might be more constrained. We tested this hypothesis in a bird species...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (21): 3929–3934.
Published: 1 November 2014
...Jennie S. Garbutt; Anna J. P. O'Donoghue; Seanna J. McTaggart; Philip J. Wilson; Tom J. Little Immunity in vertebrates is well established to develop with time, but the ontogeny of defence in invertebrates is markedly less studied. Yet, age-specific capacity for defence against pathogens, coupled...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (19): 3416–3424.
Published: 1 October 2014
... ) workers with the parasite Nosema ceranae or an immune stimulation and tracked their flight activity over their lifetime with an optic counter. We found that bees responded differently to each stress: both Nosema -infected and immune-challenged bees performed a lower number of daily flights compared...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (10): 1710–1718.
Published: 15 May 2014
... of the developing honey bee hosts by Varroa has been proposed to explain the synergy between viruses and mites. However, the evidence for honey bee immune suppression by V. destructor is contentious. We systematically studied the quantitative effects of experimentally introduced V. destructor mites on immune gene...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (14): 2632–2640.
Published: 15 July 2013
...Michael W. Butler; Kevin J. McGraw SUMMARY Immune function can be modulated by multiple physiological factors, including nutrition and reproductive state. Because these factors can vary throughout an individual's lifetime as a result of environmental conditions (affecting nutrition) or life-history...
Journal Articles
J Exp Biol (2010) 213 (8): 1386–1394.
Published: 15 April 2010
...Gary Burness; Christopher Armstrong; Thomas Fee; Elinor Tilman-Schindel SUMMARY There has been recent interest in understanding trade-offs between immune function and other fitness-related traits. At proximate levels, such trade-offs are presumed to result from the differential allocation...
Journal Articles
J Exp Biol (2009) 212 (21): 3576–3582.
Published: 1 November 2009
... or with water to investigate the importance of the non-genetic component of melanin-based plumage colouration in the Eurasian kestrel, Falco tinnunculus . Methionine affects growth and immunity,thus we aimed to modify nestling growth and immunity before feather development. Then, we measured the effect...