Topic: oligosaccharides

Great Expectations for Milk Metabolomics

Great Expectations for Milk Metabolomics

A quick Internet search with the words "genomics" retrieves about 14 million hits, whereas the same search with the word "metabolomics" retrieves a mere 1.1 million hits. This alone is a fair indication that within the "omics" family there are different generations, and metabolomics is one of its youngest members. Read More...

Surprise: Cow’s Milk Sugars Are Rather Like Human Ones!

Surprise: Cow's Milk Sugars Are Rather Like Human Ones!

Pick up any textbook that runs through the sugars in milk, and you will read that human milk is unusual. It contains more oligosaccharides (medium-length sugars) than the milk of other mammals, and, in particular, most of its oligosaccharides have some subunits of fucose, a small sugar. Farmyard mammals, in contrast, do not make oligos out of fucose. At least, that was the conventional wisdom. But the distinction is now invalid. Read More...

To Secrete or Not to Secrete

To Secrete or Not to Secrete

On a cruise ship with a Norovirus outbreak, the chance of becoming infected is largely determined by a single gene: FUT2. Likewise, a mother’s “secretor status”—whether or not she secretes certain protective sugars in milk—is determined by this same gene. Want to know more about FUT2 and the protective sugars in mother's milk? Read More...

Dinosaur aunts, bacterial stowaways, and insect milk

Dinosaur aunts, bacterial stowaways, and insect milk

Milk is everywhere. From the dairy aisle at the grocery store to the explosive cover of the Mother's Day issue of Time magazine, the ubiquity of milk makes it easy to take for granted. But surprisingly, milk synthesis is evolutionarily older than mammals. Milk is even older than dinosaurs. Read More...

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