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Journal of Experimental Biology Current Issue
Diet-dependent production of calcium- and phosphorus-rich ‘spheroids’ along the intestine of Burmese pythons: identification of a new cell type?
ABSTRACTBurmese pythons, Python molurus bivittatus, digest the skeleton of their prey; this must result in a high amount of calcium and phosphorus passing through the intestinal lining. To determine how Burmese pythons can process this ion influx,...
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Posted: June 25, 2025, 12:00 am
Adding a marker of gut integrity: an example of experimental augmentation as applied in Eisenia fetida
ABSTRACTGut integrity is critical for organismal health and capacity to host intestinal microbes. Markers of compromised luminal epithelium can serve as quality controls or variables in a wide variety of experiments and species. We combined the Sm...
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Posted: June 24, 2025, 12:00 am
How consistent is ‘the dynamic gut’? Complex physiological responses to dietary fiber and protein across three rodent species
ABSTRACTTo efficiently digest food resources that may vary spatially and temporally, animals maintain physiological flexibility across levels of organization. For example, in response to dietary shifts, animals may exhibit changes in the expressio...
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Posted: June 20, 2025, 12:00 am
Gut bacterial and fungal communities of three rodent species respond uniquely to dietary fiber and protein manipulation
ABSTRACTDiet and host identity play fundamental roles in digestive physiology and the assembly of gut microbial communities. Research shows that microbial communities are plastic, with abundances of taxa and community interactions exhibiting chang...
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Posted: June 18, 2025, 12:00 am
Multigenerational exposure to glyphosate has only modest effects on life-history traits, stress tolerance and microbiome in a field cricket
ABSTRACTGlyphosate is the most used herbicide worldwide, and it can be toxic to off-target species, such as insects. Although GLY-based herbicides (GBHs) can influence insect microbiomes, little is known about its cascading effects on fitness-rela...
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Posted: June 11, 2025, 12:00 am
Osmoregulatory contributions of the corticotropin-releasing factor system in the intestine of Atlantic salmon
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Posted: May 15, 2025, 12:00 am
ECR Spotlight – Angus Thies
ECR Spotlight is a series of interviews with early-career authors from a selection of papers published in Journal of Experimental Biology and aims to promote not only the diversity of early-career researchers (ECRs) working in experimental biology...
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Posted: May 12, 2025, 12:00 am
Co-option of immune and digestive cellular machinery to support photosymbiosis in amoebocytes of the upside-down jellyfish Cassiopea xamachana
ABSTRACTThe upside-down jellyfish Cassiopea spp. host their algal symbionts inside a subset of amoebocytes, phagocytic cells that also play innate immune functions akin to macrophages from vertebrate animals. Amoebocyte precursors phagocytose alga...
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Posted: May 12, 2025, 12:00 am
