Although it is widely accepted that dynamic cross-talk between gut epithelia and microorganisms must occur to achieve gut homeostasis, the critical mechanisms by which gut-microbe interactions are regulated remain uncertain. In this issue of Genes & Development, Buchon and colleagues (pp. 2333-2344) revealed that the reaction of the gut to microorganisms is not restricted to activating immune s...

I t has been shown by Gowans and Knight (1) that when small lymphocytes obtained from rat thoracic duct lymph are injected intravenously into other rats, the ceils rapidly "home" to lymphoid tissue, that is, to the white pulp of the spleen, lymph nodes in all locations, and lymphoid tissue of the gut, including Peyer's patches. There is considerable evidence that this process is physiological, ...

A single dose of radioactive copper ((64)Cu or new Cu) was infused into the stomach of rainbow trout (Oncorhynchus mykiss) to model dietary copper (Cu) uptake under conditions of a normal nutritional dose and optimum environmental temperature (16 degrees C, 0.117 microg Cu g(-)(1 )body mass). The distribution of new Cu to the gut and internal organs occurred in two phases: rapid uptake by the g...

This study was conducted because of influence of prebiotics (alphamune) and symbiotic (biomin) on histometrical development of small intestine and lymphatic tissue of caecal tonsil have been not reported on broiler chicken. In this study, different parts of small intestine and caecal tonsil, which is a major area of gut associated lymphatic tissue (GALT) in chicken were selected. One hundred an...

The Asian longhorned beetle (Anoplophoraglabripennis) is an invasive, wood-boring pest that thrives in the heartwood of deciduous tree species. A large impediment faced by A. glabripennis as it feeds on woody tissue is lignin, a highly recalcitrant biopolymer that reduces access to sugars and other nutrients locked in cellulose and hemicellulose. We previously demonstrated that lignin, cellulos...

Background: Evidence supports a role for the gut-brain axis in Parkinson’s disease (PD). Mice overexpressing human wild type α– synuclein (Thy1-haSyn) exhibit slow colonic transit prior to motor deficits, mirroring prodromal constipation PD. Identifying molecular changes gut could provide both biomarkers early diagnosis and gut-targeted therapies prevent progression. Objective: To identify Thy1...