Caption: Graduate students M. Jahir Raihan and Brian Kobylkevich of the South Dakota State University Department of Biology and Microbiology separate proteins extracted from a flexible skeletal structure in a squid called the pen.
Writers know the power of the pen, but scientists are just discovering its secrets.
The pen that is of interest to Assistant Professor Mark Messerli of the South Dakota State University Department of Biology and Microbiology is a flexible skeletal structure in the trunk of a squid’s body. The pen is embedded beneath the dorsal mantle, the muscle responsible for the squid’s jet propulsion, and supports the animal’s muscle tissues and organs.
“The squid’s pen is an ...