San Diego Postdoctoral Scholars Program Enhances Diversity in Biomedical Research

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“I’m most proud of how this program is truly impacting the diversity of academia by including individuals from backgrounds historically underrepresented in STEM and the biomedical research workforce,” says JoAnn Trejo, Ph.D., professor at University of California San Diego (UCSD) and director of San Diego’s Institutional Research and Academic Career Development Award (IRACDA). The program, now in its 20th year of NIGMS funding, aims to train a diverse group of postdoctoral fellows (postdocs) for both the teaching and independent research aspects of a career as a professor in the biomedical sciences.

A group of 19 people standing together and smiling.
San Diego IRACDA program participants from 2018 (left) and 2022 (right). Credit: Courtesy of Dr. JoAnn Trejo.

The San Diego IRACDA focuses on preparing its fellows for tenure-track positions at different types of institutions, including research-intensive universities. Fellows typically go through a 3-year program where they work in a research lab at UCSD, teach at one of the two “partner” schools (both of which are minority-serving institutions), and take career development courses in skillsets like effectively mentoring, running a cutting-edge research lab, and innovatively redesigning undergraduate science courses. Fellows also mentor students at the partner schools, helping them prepare graduate school applications, putting them through mock interviews, educating them in research, and teaching them how to read and understand scientific literature.

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Studying and Sharing the Big Questions of Biology

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A headshot of Dr. Márquez-Zacarías.
Dr. Pedro Márquez-Zacarías. Credit: Courtesy of Dr. Pedro Márquez-Zacarías.

When he started high school in Mexico, Pedro Márquez-Zacarías, Ph.D., wanted to be a politician. However, as he became aware of issues like corruption, he began looking into other fields. Chemistry fascinated him, so he enrolled in a class at his school that was later canceled partway through the year. He then joined a biology class because it included a unit on biochemistry, and through that experience, found that he enjoyed other aspects of biology as well—so much so that he went on to compete in the International Biology Olympiad, a competition for high school biology students.

After graduating from high school, Dr. Márquez-Zacarías majored in biomedical sciences at Universidad Nacional Autónoma de México and discovered a passion for ecology and evolution. During a class activity where students had to present scientific papers, the work of evolutionary biologist William Croft Ratcliff, Ph.D. riveted him. Dr. Márquez-Zacarías began an email conversation with Dr. Ratcliff that led to visiting his NIGMS-supported lab at the Georgia Institute of Technology (Georgia Tech) in Atlanta.

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Career Conversations: Q&A With Bioengineer César de la Fuente

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Headshot of Dr. de la Fuente.
Dr. César de la Fuente. Credit: Martí E. Berenguer.

“Science provides adventure and excitement every single day. When you’re pushing boundaries, you get to jump into the abyss of new areas. It can be scary, but it’s an incredible opportunity to try to improve our world and people’s lives,” says César de la Fuente, Ph.D., a Presidential Assistant Professor in the Perelman School of Medicine and School of Engineering and Applied Science at the University of Pennsylvania, Philadelphia. Our interview with Dr. de la Fuente highlights his journey of becoming a scientist and his research using artificial intelligence to discover new drugs.

Q: How did you first become interested in science?

A: I’ve always been fascinated by the world around me. I grew up in a town in northwest Spain, right on the Atlantic Ocean. As a kid, I would go to the beach to investigate marine organisms and bring home all sorts of different fish to study. My mom wasn’t too happy about that! We’re all born scientists, but we tend to lose that curiosity as we enter adulthood. The key is to not lose our ability to learn every day.

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Sepsis Sleuths

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Sometimes we can be our own worst enemies without even realizing it. One devastating example is sepsis: our body’s overwhelming or impaired immune response to an insult—usually an infection or an injury to the body. According to the Centers for Disease Control and Prevention (CDC), sepsis affects at least 1.7 million people in the United States each year, and it can lead to tissue damage, organ failure, and death. (See our sepsis fact sheet for more information.)

An outline of the United States composed of people icons, above text that reads: “Get ahead of sepsis. Know the risks. Spot the signs. Act fast.” Next to the map outline is text that reads: “At least 1.7 million adults in the U.S. develop sepsis each year, and nearly 270,000 die as a result.
Credit: CDC.
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In Other Words: Insult—A “Sick Burn” or a Burn That Makes You Sick?

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You probably think of a rude or offensive remark when you think of the word insult, but to biomedical researchers, an insult is the cause of some kind of injury to the body. Insults can come in a variety of forms, such as an infection or a physical trauma.

Below the title “Insult: In Other Words,” two images are separated by a jagged line. On the left is a woman covering her face with both hands as an eye looks at her and a mouth shouts at her. On the right are spherical bacteria on a rough surface. Under the images, text reads: “Did you know? In biomedical science, an insult is the cause of some kind of injury to the body.”
Credit: NIGMS.
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Training Students and Communicating Science on Capitol Hill

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A headshot of Dr. Bobylev.
Dr. Mikhail Bobylev. Credit: Minot State University.

“I’ve been infected with this enthusiasm for science, and I think that carries over to my students. Essentially, I lead by example,” says Mikhail Bobylev, Ph.D., a professor of chemistry at Minot State University in Minot, North Dakota. He researches ways to improve the chemical synthesis of medicinal molecules, and since 2004, he’s has mentored more than 70 undergraduate researchers in his lab with support from the NIGMS-funded North Dakota IDeA Networks of Biomedical Research Excellence (INBRE).

Dr. Bobylev focuses on training students to conduct rigorous, meaningful research and to communicate it clearly to a variety of audiences, including the general public, scientists, and policymakers. He believes that this emphasis on strong communication skills is one of the reasons why his students were often selected for Posters on the Hill—a prestigious annual event where undergraduate researchers presented their work to lawmakers in Washington, D.C. Since 2008, 10 of his mentees were chosen to participate.

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New STEM Teaching Resource: Biomedical Beat Educator’s Corner

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Educator’s Corner logo. A colorful background with a pink circle and white writing with the words “Educator’s Corner” and the NIGMS logo.

We’ve created a free resource for science educators! The Educator’s Corner is a collection of carefully curated Biomedical Beat posts, designed to align with existing NIGMS science education resources, such as Pathways, for middle and high school students. Our new collection offers educators additional tools and ideas to enhance lesson plans, building upon existing science education material that’s already available at no cost.

In the Educator’s Corner, you’ll find blog posts organized by the NIGMS science education resource they align with. Each entry includes a suggested activity for use in classrooms, home schools, and other appropriate settings. Student exercises range from pair-and-shares to simple demonstrations, freewrites, and more.

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Career Conversations: Q&A With Organic Chemist Elizabeth Parkinson

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Dr. Parkinson wearing a lab coat and gloves and holding a Petri dish.
Dr. Elizabeth Parkinson. Credit: Courtesy of Dr. Elizabeth Parkinson.

“Being able to discover new, unexpected things is why you wake up every day and go to work as a scientist. The other part is hopefully to have a positive impact on human health—through combatting conditions ranging from antibiotic resistance to cancer,” says Elizabeth Parkinson, Ph.D., an assistant professor of organic chemistry at Purdue University in West Lafayette, Indiana. In an interview, Dr. Parkinson shared with us her path to a scientific career, research on natural products made by soil-dwelling bacteria, and advice for students.

Q: What sparked your interest in science?

A: My high school freshman biology teacher, Mr. O’Connell, first got me interested in science. He’d bring objects to class, and we’d have to guess how they might relate to the day’s subject matter. One time he brought strawberries, and we isolated DNA from them, which I really enjoyed. I also participated in a science fair for the first time that year. My project focused on how the color of light affected plant growth, and that was a very fun experience.

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In Other Words: Not All Cultures Are Human

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The word culture may make you think of a flag, style of clothing, celebration, or some other tradition associated with a particular group of people. But in biomedical science, a culture is a group of cells grown in a lab. Scientists use cultures to learn about basic biological processes and to develop and test new medicines.

Below the title “Culture: In Other Words,” two images are separated by a jagged line. On the left are outlines of faces surrounding a globe of the Earth. On the right is a hand holding a Petri dish with cells growing in it. Under the images, text reads: “Did you know? In biomedical science, a culture is a group of cells grown in a lab.”
Credit: NIGMS.

The Birth of a Culture

Scientists can grow many types of cells as cultures, from bacteria to human cells. To create a culture, a researcher adds cells to a container such as a Petri dish along with a mix of nutrients the cells need to grow and divide. The exact recipe varies depending on the cell type. (Because many lab containers were historically made of glass, researchers sometimes refer to studies that use cultures as in vitro—Latin for “in glass.”) Once the cells multiply and fill their container, researchers split the culture into new containers to produce more.

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Career Conversations: Q&A with Biochemist Alexis Komor

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A headshot of Dr. Komor.
Dr. Alexis Komor. Credit: Michelle Fredricks.

DNA is an amazingly beautiful molecule, and it’s so important. Each of our cells has only one copy of DNA, and if it gets damaged, that messes up everything else in the cell,” says Alexis Komor, Ph.D., an assistant professor of chemistry and biochemistry at the University of California, San Diego (UCSD). Check out the highlights of our interview with Dr. Komor to learn about her scientific journey, research on DNA, and advice for students.

Q: How did you decide to study chemistry?

A: I really enjoyed math and science in middle and high school. When I applied to college, I knew I wanted to major in science over math because I felt like it was more relevant to what we experience on a day-to-day basis. I ultimately went into chemistry for a silly reason, but looking back now, I’m so very grateful that I did. Chemistry has this nice balance because it allows you to not only understand how things work on a molecular level but also see how those molecular workings relate to everyday phenomena—for example, understanding how DNA damage on a molecular level can lead to negative health outcomes.

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