Gastric acidity is likely a key factor sha** the diversity and composition of microbial
communities found in the vertebrate gut. We conducted a systematic review to test the …

Recent data suggest that the human body is not such a neatly self-sufficient island after all. It
is more like a super-complex ecosystem containing trillions of bacteria and other …

The gastrointestinal (GI) microbiome contributes significantly to host nutrition and health.
However, relationships involving GI microbes, their hosts and host macrohabitats remain to …

To identify factors that regulate gut microbiota density and the impact of varied microbiota
density on health, we assayed this fundamental ecosystem property in fecal samples across …

This comprehensive introductory text integrates evolutionary, ecological, and demographic
perspectives with new results from field studies and contemporary noninvasive molecular …

The mammalian gastrointestinal (GI) tract is home to trillions of bacteria that play a
substantial role in host metabolism and immunity. While progress has been made in …

Primates include a wide variety of mammals from the relatively ancient lineages of lemurs on
Madagascar and tiny tarsiers of Southeast Asia to the gorillas of montane Africa. Of course …

Primatologists use the term fallback foods to denote resources of relatively low preference
that are used seasonally when preferred foods are unavailable. We examine the assumption …

ABSTRACT" All animals are equal, but some are more equal than others" was the illustrious
quote derived from British writer George Orwell's famed work, Animal Farm. Extending …

The amylase gene (AMY), which codes for a starch-digesting enzyme in animals, underwent
several gene copy number gains in humans (Perry et al., 2007), dogs (Axelsson et al …