Caption: To determine the proteins in the squid’s pen, South Dakota State University assistant professor Mark Messerli and his team pulverize the flexible skeletal structure into a fine powder. They are the first researchers to study the pen’s design and protein composition.
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 ...