How The Zebra Fish Gets Its Stripes

A standout amongst the most noteworthy things about the famous yellow and blue stripes of zebrafish is that they dependably show up by any stretch of the imagination.

Zebrafish start life as straightforward incipient organisms, with three sorts of shade cells on their skin. As they build up, the color cells by one means or another figure out how to sort out themselves nearly without fall flat into the stripes we as a whole know.

Presently specialists have built up a scientific model that may clarify the key part that one of those shade cells plays in ensuring each stripe winds up precisely where it has a place on the fish.

This new model recommends that one of the shade cell composes – called iridophores – drives the procedure of cell association. These cells give redundancies in the cell communication process that guarantees that on the off chance that one collaboration comes up short, another can assume control.

The outcome is that zebrafish get their stripes, notwithstanding when a portion of the cell forms turn out badly

OSU Researchers Look at New Way to Fight Infection

Researchers at the Ohio State University may have figured out a novel way to fight diseases including HIV or autoimmune disorders might involve an enzyme called SAMHD1 that works on the immune system–according to new research at OSU.

SAMHD1 is a neutral in terms of good or bad–but it seems blocking its activity could stop the progression of diseases of the immune system. The current research was completed on human and mouse immune cells and was published in the Proceedings of the National Academy of Sciences. SAMHD1 was first discovered in 2000 and has been known to been linked to such disorders of the immune system like HIV and cancer.

Figuring out how SAMHD1 affects an immune diseases progressing is the goal of the new research.The new research demonstrates that SAMHD1 interacts with several cellular proteins that regulate innate immune responses. Most importantly they have learned it can act as an inhibitor for harmful bodily responses to viral infection.

 

OSU Researches Study Our Ability To Recognize Emotions in Facial Expression

A fascinating new study by researchers at OSU has found that people can correctly identify another person’s feelings with 75% accuracy based only little changes in blood flow color around the nose, eyebrows, cheeks and chin.

The new research allowed scientists to construct computer programs that accurately recognize emotions using the same parameters of blood flow coloration with 90% accuracy. The newly documented research on the connection between the central nervous system and emotion expression in human faces was published in the Proceedings of the National Academy of Sciences.

Researchers see their work being used in the field of AI, hoping that it will allow machine learning programs to recognize and maybe even emulate human emotion–towards this end they are patenting their own algorithms. They have also found a way to commercialize the research through their spin-off company, Online Emotion.

 

Invasive Species: Nature’s Junk Food?

Lauren Pintor, assistant professor of aquatic ecology at the Ohio State University, co-authored a study that appeared in Ecology Letters in which she and her colleague studied the effect of invasive species on the diet of native predators.

What they found suggests that invasive species might be nature’s junk food for local predators. The study suggests that native predators do best when reserving their consumption of foreign species as an occasional snack. Reasons can range from nutrition to the ability to eat or digest unfamiliar creatures. Most often foreign species help predators only when they become a supplemental food source.

However, there are cases in which an invasive species have become successful primary food sources and in some cases have even saved an endangered species. Familiar to many Ohioans, the European round goby that has been wreaking havoc in the depths of Lake Erie has probably saved a local endangered species, the Lake Erie watersnake. The clever watersnake adapted to eating the round goby and is no longer considered endangered.

Learning the Language of Research

Through a a grant from the National Science Foundation the Ohio State University has developed a summer program in which a group of undergraduate students from select colleges and universities around the country are learning the principles and practices of scientific research. The program takes place at COSI in downtown Columbus where students are engaging in linguistic analysis, studying the cognitive processes of language, and learning how to have effective social interactions with museum guests.

13 students were chosen from a group of 102 applicants. The 13 chosen students demonstrated a commitment to learn, though they had a limited knowledge of research practices. They are a diverse group chosen from public and private four-year institutions. Some are students of the Ohio State University system.

The internship encompasses three distinct elements over the 10-week period: classroom sessions, research training, and informal science education. Interaction on the museum floor is a critical component of the program.

After three weeks of in-class instruction students get matched up with a research partner—an Ohio State faculty member whose research projects match the student’s interest. The students then work one on one with the faculty member assisting in their research. Students might do any number of tasks including recruiting and running participants to analyzing and presenting data. Students will learn how to interact with the public and present their data effectively.

Students’ research discoveries will be featured in a capstone program before the conclusion of their research experience on Aug. 13.