From Monya Baker at Nature:
Yukiko Yamashita thought she knew the fruit-fly testis inside out. But when she carried out a set of experiments on the organ five years ago, it ended up leaving her flummoxed.
Her group had been studying how fruit flies maintain their sperm supply and had engineered certain cells involved in the process to produce specific sets of proteins. But instead of showing up in the engineered cells, some proteins seemed to have teleported to a different group of cells entirely.
But Richard Cheney, a cell biologist at the University of North Carolina in Chapel Hill, is not ready to start revising the textbooks. Cheney has followed the field and at one point collaborated with Rustom’s PhD adviser. There’s no question that long, thin protrusions are popping up all over the place, he says. The question is, what are they doing — sending simple messages when cells reach out and touch each other, or opening a breach and facilitating wholesale transport? “I’d probably bet on contact-based signalling, where you don’t need very many copies of a molecule, as opposed to them acting like interstate highways,” he says. More.
Dr. Cheney raises an interesting question: What if it turns out that they do act like interstate highways? Will we be told that, despite a complexity that greatly exceeds the probability resources of the universe, the magic of natural selection evolves it all in a comparatively short time.
Darwinism is magic.
See also: Researcher: Genome not an unstructured strand but “a highly structured and meaningful design”