Uncommon Descent Serving The Intelligent Design Community


Symbiotic bacteria help frogs find mates (but the real story is all the wrong assumptions we make)

Contrary to assumption, 1) smell was important in locating mates and 2) males and females had different smells 3) produced by symbiotic bacteria. One wonders how many other life forms would challenge simple evolution tales if they were closely studied. Read More ›

From the Atlantic: Montana Trailer Park guy upends biology

Ed Yong tells us at the Atlantic: In the 150 years since Schwendener, biologists have tried in vain to grow lichens in laboratories. Whenever they artificially united the fungus and the alga, the two partners would never fully recreate their natural structures. It was as if something was missing—and Spribille might have discovered it. He has shown that largest and most species-rich group of lichens are not alliances between two organisms, as every scientist since Schwendener has claimed. Instead, they’re alliances between three. All this time, a second type of fungus has been hiding in plain view. “There’s been over 140 years of microscopy,” says Spribille. “The idea that there’s something so fundamental that people have been missing is stunning.” Read More ›

sRNA for Quorum Sensing: Evidence for CSI?

Bacteria demonstrate intra-species communication that is species specific using a partner with a communication molecule. Bacteria are also “multilingual” with a generic trade language for interspecies communication. Bacteria control tasks by signal producing and receiving receptors with a signal carrier. The tasks bacteria conduct depend on the concentration they sense of self bacteria versus generic species concentration. e.g. Bacteria control pathogenicity with quorum sensing. The detailed (small) sRNA required for these control mechanisms is now beginning to be desciphered. See below. Question:
Did bacteria “invent” their communication and control methods via evolutionary stochastic processes?
Or do these constitute Complex Specified Information and thus evidence design? Read More ›