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Week of: Feb 17, 2019

Julie Tucker CNRS, Dean's Office

Please join us in welcoming Alaskan artist, author, humorist and songwriter, Ray Troll to Humboldt State University. Artist Ray Troll has spent over half his 65 years in the geologically rich state of Alaska. Over the decades he’s carved out a unique artistic career becoming well-known for his quirky, off beat fish-centric humor. Over the course of his career he began to establish working relationships with numerous marine biologists and ichthyologists and eventually found himself returning to his first love in life, paleontology.

Ray’s talk will be held in the College Creek: Great Hall, 2:00-4:00 pm, on Wednesday, February 27, 2019.

Stephanie Steffen Biological Sciences

Biological Sciences Seminar - Grant Flowers, PhD, Yale University, will present “Identifying genes essential for salamander limb regeneration”.

Salamanders have unparalleled abilities to regenerate entire limbs, brain regions, and organs after injury, and the study of these abilities may provide insights toward human regenerative therapies. Recent advances in our understanding of the genome of one such species, the axolotl, combined with novel gene-editing techniques now permit the investigation of the molecular origins of these abilities. These tools have allowed us to assess the contributions of multiple low frequency cell lineages to the regenerating limb at once. Our comparisons reveal that regenerated limbs are high fidelity replicas of the originals even after repeated amputations. We are now applying these methods to carry out a high throughput screen to identify novel genes essential for limb regeneration.

Date:  Friday, February 22, 2019
Time:  4:00 PM
Location:  Sci B 133

Week of: Feb 10, 2019

Lindsay R CPS

HSU’s College of Professional Studies announces Live at HSU Folkdown: A Benefit for Students of HSU’s College of Professional Studies.

This benefit concert will be held at Fulkerson Recital Hall on Saturday, February 23rd, from 7:00-8:45pm. Music will be performed by talented HSU faculty, staff, and administrators including well-known local bands Tyger Byle and For Folk Sake, plus songs by Wayne Brumfield and Lonyx Landry.

Doors open at 6:30pm. Tickets are $15 for general admission and $6 for HSU Students (with student ID) available online or in-person at Center Arts and at the door. Proceeds will support the success of students of HSU’s College of Professional Studies.

The College of Professional Studies is committed to providing interdisciplinary liberal arts education and preparation for the profession so our graduates can positively contribute to the human condition, be outstanding leaders in their profession and community, and share a powerful commitment to social, economic, and environmental justice. Your support not only helps today’s HSU students, but ensures that our students can contribute to making a difference in the lives of those around them.

Tickets available at:

For more information about the event, please contact 707-826-3961 or .

Stephanie Steffen Biological Sciences

Biological Sciences Seminar - Zachary Lewis, PhD, Yale University will present “Lung loss in salamanders”.

Lungs were once thought to be a universal feature of tetrapods and completely essential to life on land. This view changed in the late 19th century with the discovery of several adult salamanders without lungs. These species had descended from ancestors with lungs, suggesting that an evolutionary loss of lungs had occurred. I discuss the developmental basis for lung loss in salamanders and demonstrate that gene regulatory evolution results in lung loss. I demonstrate that lungless salamanders produce pulmonary surfactant in their skin, which may help lungless salamanders compensate for the loss of pulmonary respiration.

Date: Friday, February 15, 2019
Time: 4:00 PM
Location: Science B 133

Week of: Feb 03, 2019

Lindsay Righter Kinesiology & Recreation Administration

Dr. Young Sub Kwon, Associate Professor and Director of HSU’s Human Performance Lab, and the Exercise is Medicine Team announce a free daily 5k walk/jog/run program for all students, faculty, and staff. The program will run Monday through Friday from 12:00-2:00pm for 8 weeks starting February 18th and ending April 19th on the campus track.

The program is part of the global Exercise is Medicine (EIM) initiative to promote exercise as a vital sign of health and make active lifestyle a part of the daily campus culture.

The exercise program will provide participants with tools to strengthen healthy exercise habits that can improve emotional and physical well-being for a lifetime, as well as academic retention for students.

Please join the EIM team at the Human Performance Lab (KA254B) on Tuesday, February 12th, OR Thursday, February 14th, from 11:00am-1:00pm to learn more, sign up, and participate in an optional pre-test of body composition, waist circumference, blood pressure, and mood and grit self-assessments. Then join us starting February 18th on the campus track for daily exercise in a supportive environment that will be just what the doctor ordered!

For more information, contact Dr. Young Sub Kwon at .

Emily Cobb Art

The HSU Jewelry and Small Metals Club will be having their annual ‘Sweet Heart’ sale for Valentine’s day!

Treat yourself, a friend, or a loved one to a metal heart pin inspired by iconic candy hearts.

The sale will be on Wednesday February 13th from 11am to 4pm and Thursday February 14th 11am to 4pm on the Art Quad.

Funds raised will help support the club’s upcoming field trips, visiting artists, and other activities.  Thanks for your support!

Stephanie Steffen Biological Sciences

Biological Sciences Seminar - Karen Kiemnec-Tyburczy, PhD, Humboldt State University will present “The molecular basis of pheromone communication in lungless salamanders”.

I employ a combination of behavioral, molecular and genetic approaches to examine the evolution of the chemical signaling system involved in the ritualized courtships of plethodontid (lungless) salamanders. Many species in this family use sex pheromone communication during courtship whereby males deliver a “cocktail” of proteins to females to increase receptivity to mating. This unique system provides a tractable model for studying the evolution of chemical communication across multiple scales, from genes to development to behavior. Most plethodontid pheromones are encoded by multi-gene families, are highly variable, and have experienced diversifying selection. In addition, pheromone composition can vary drastically across species. Using a functional genomics approach, I discovered highly expressed but previously uncharacterized gland proteins whose function warrant further study; these may also play a role in communication during courtship. I am also investigating the molecular basis of pheromone detection in these salamanders. I isolated pheromone receptor genes from one focal species (Plethodon shermani) and used in situ hybridization to map the expression of gene families to distinct regions of nasal cavity epithelia. I found that some receptor classes exhibit sexually dimorphic expression, consistent with sex-specific responses to pheromones. Plethodontid salamanders provide valuable insight into how evolutionary processes can shape the signals and receptors in chemical signaling systems.

When:  Friday, February 8, 2019
Time:  4:00 PM
Location: Science B 133

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