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Keywords: digestive enzymes
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Journal Articles
J Exp Biol (2018) 221 (6): jeb171827.
Published: 19 March 2018
... from hatching to adulthood, but does occur when nestlings of the former species adjust to a higher-starch diet. Digestive enzymes Transcriptional control Phenotypic flexibility Major changes in intestinal enzymes occur during development in vertebrates, but only in mammals are the...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (10): 1846–1851.
Published: 15 May 2017
... epigenetic and could be reversible in the offspring. Summary: The growth reduction in juvenile sea bass as a consequence of an early life hypoxia event is due to a specific change in the efficiency of protein digestive functions. Climate change Digestive enzymes Dicentrarchus labrax Growth...
Journal Articles
J Exp Biol (2016) 219 (9): 1327–1336.
Published: 01 May 2016
.... Mechanisms associated with digestive enzymes and neuroendocrine hormones underpinning the plasticity were also examined. Females significantly increased energy intake, digestibility, digestive tract mass and the activity of stomach pepsin and small intestine maltase, sucrase and aminopeptidase in peak...
Journal Articles
J Exp Biol (2013) 216 (21): 3981–3987.
Published: 01 November 2013
...Paweł Brzęk; Kevin D. Kohl; Enrique Caviedes-Vidal; William H. Karasov SUMMARY The ‘adaptive modulation hypothesis’ predicts that activity of digestive enzymes should match the amount of their substrates in diet. Interestingly, many passerine birds do not adjust the activity of intestinal...
Journal Articles
J Exp Biol (2012) 215 (11): 1806–1815.
Published: 01 June 2012
... plasticity diet restriction digestive organs digestive enzymes body composition skeletal growth Chronic, moderate food shortage can occur during development of altricial birds in the wild because of fluctuating environmental conditions, inadequate parental delivery of food to the nest or sibling...
Journal Articles
J Exp Biol (2011) 214 (24): 4133–4140.
Published: 15 December 2011
...Kevin D. Kohl; M. Denise Dearing SUMMARY Many plants produce plant secondary compounds (PSCs) that bind and inhibit the digestive enzymes of herbivores, thus limiting digestibility for the herbivore. Herbivorous insects employ several physiological responses to overcome the anti-nutritive effects...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (16): 2755–2760.
Published: 15 August 2011
... switch in their assigned diet at 12 days of age. We found evidence for the presence of an internal, presumably genetic, program for changes in the activity of maltase and sucrase, which was, however, significantly affected by diet composition (i.e. environmental factor). Digestive enzyme activity in 30...
Journal Articles
J Exp Biol (2010) 213 (5): 798–807.
Published: 01 March 2010
... plasticity is not necessary and flexibility of digestive physiology should be lower. Recently, we found that ontogenetic changes in the activity of digestive enzymes in house sparrow, a species that gradually consumes more carbohydrates during ontogeny, are strongly modified by diet composition. In the...
Journal Articles
J Exp Biol (2009) 212 (9): 1284–1293.
Published: 01 May 2009
... digestive enzymes house sparrow Passer domesticus Several recent studies have addressed the question how an animal's digestive system copes with challenges imposed by varying environmental factors (e.g. Brzęk and Konarzewski,2001 ; Brzęk and Konarzewski, 2004 ; Ciminari et al., 2005...