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Infants presumably acquire the special strain of bifido from their mothers, but strangely, it has not yet been detected in adults. “We’re all wondering where it hides out,” Dr. Mills said.
The indigestible substance that favors the bifido bacterium is a slew of complex sugars derived from lactose, the principal component of milk. The complex sugars consist of a lactose molecule on to which chains of other sugar units have been added. The human genome does not contain the necessary genes to break down the complex sugars, but the bifido subspecies does, the researchers say in a review of their progress in today’s Proceedings of the National Academy of Sciences.
The complex sugars were long thought to have no biological significance, even though they constitute up to 21 percent of milk. Besides promoting growth of the bifido strain, they also serve as decoys for noxious bacteria that might attack the infant’s intestines. The sugars are very similar to those found on the surface of human cells, and are constructed in the breast by the same enzymes. Many toxic bacteria and viruses bind to human cells by docking with the surface sugars. But they will bind to the complex sugars in milk instead. “We think mothers have evolved to let this stuff flush through the infant,” Dr. Mills said. – “Breast Milk Sugars Give Infants a Protective Coat” Nicholas Wade, New York Times (August 2, 2010)
Read the whole article. You know Darwinism is a religion when you see how people will twist themselves into corkscrews in order to avoid considering design.
Find out why there is an intelligent design controversy: