Today’s blog is written by guest blogger, Sameer Moorji, Director, Applied Markets.
People’s diets are frequently influenced by a wide range of variables; with environment, socioeconomic status, religion, and culture being a few of the key influencers. The Muslim community serves as one illustration of how culture and religion can hold influence over people’s eating habits.
Muslims, who adhere to Islamic teachings derived from the Qur’an, frequently base dietary choices on a food’s halal status, whether it is permissible to consume, or haram status, forbidden to consume. With the population of Muslims expected to expand from 1.6 billion in 2010 to 2.2 billion by 2030, the demand for halal products is anticipated to surge (2).
By 2030, the global halal meat market is projected to reach over $300 billion dollars, with Asia-Pacific and the Middle East regions being the largest consumers and producers of halal meat products (3). Furthermore, increasing awareness and popularity of halal meat among non-Muslim consumers, as well as strengthening preference for ethical and high-quality meat, are all contributing to demand.
On June 15, 2023, we announced the winners of the 2023 Promega iGEM grant. Sixty-five teams submitted applications prior to the deadline with projects ranging from creating a biosensor to detect water pollution to solving limitations for CAR-T therapy in solid tumors. The teams are asking tough questions and providing thoughtful answers as they work to tackle global problems with synthetic biology solutions. Unfortunately, we could only award nine grants. Below are summaries of the problems this year’s Promega grant winners are addressing.
The UCSC iGEM team from the University of California–Santa Cruz is seeking a solution to mitigate the harmful algal blooms caused by Microcystisaeruginosa in Pinto Lake, which is located in the center of a disadvantaged community and is a water source for crop irrigation. By engineering an organism to produce microcystin degrading enzymes found in certain Sphingopyxis bacteria, the goal is to reduce microcystin toxin levels in the water. The project involves isolating the genes of interest, testing their efficacy in E. coli, evaluating enzyme production and product degradation, and ultimately transforming all three genes into a single organism. The approach of in-situ enzyme production offers a potential solution without introducing modified organisms into the environment, as the enzymes naturally degrade over time.
Endometriosis is a condition that affects roughly 190 million (10%) women of reproductive age worldwide. Currently, there is no treatment for endometriosis except surgery and hormonal therapy, and both approaches have limitations. The IISc-Bengaluru team at the Indian Institute of Science, Bengaluru, India, received 2023 Promega iGEM grant support to investigate the inflammatory nature of endometriosis by targeting IL-8 (interleukin-8) a cytokine. Research by other groups has snow that targeting IL-8 can reduce endometriotic tissue. This team will be attempting to create an mRNA vaccine to introduce mRNA for antibody against IL-8 into affected tissue. The team is devising a new delivery mechanism using aptides to maximize the delivery of the vaccine to the affected tissues.
The refrain regularly echoes through the halls of every academic lab building. During our education, we’re treated to a non-stop supply of speakers on every subject we can imagine. Prestigious speaker series gave us chances to hear from some of the world’s most prominent experts on subjects that would shape scientific pursuits for the next decade and beyond. When we leave academia, however, it can be difficult to find those same opportunities to learn. Sure, there are lab meetings and conferences, but when can you be treated to a renowned expert giving a talk just down the hall?
Promega Head of Biology Frank Fan aimed to address that problem when he developed a plan for the Kornberg Innovation Seminars (KIS), a recurring speaker series to be held in the new home for Promega R&D. Kornberg Center is an environment where Promega scientists are challenged to think outside-the-box and anticipate the challenges life science researchers will be facing tomorrow. Frank believed that opportunities to learn from a wide variety of guest experts would be critical for inspiring that type of thinking.
“Promega R&D focuses on understanding scientists’ needs and providing novel solutions,” Frank says. “The KIS program is about helping us achieve that vision.”
The BioPhamaceutical Technology Center Institute (BTC Institute) is a non-profit organization that provides opportunities for people of all ages to learn about life science and biotechnology. This summer, BTC Institute hosted a variety of programs supporting teachers, potential first-generation college students, and many other groups. Each program supports an overall goal to support scientific understanding in our community.
A Celebration of Life: Being Healthy on Earth and In Space
BTC Institute has collaborated with the African American Ethnic Academy in Madison, WI for over 25 years to offer a summer science program for upper elementary and middle school students. This year, A Celebration Of Life XXVIwelcomed 13 students from grades 4-8 every morning for two weeks. Students made ice cream, engineered water filtration devices, and used bioluminescence to learn about preventing the spread of germs. Outside the lab, the students learned tai chi from a Promega employee and toured the Promega culinary garden. Along the way, students learned about historic and contemporary STEM professionals of color associated with each focus area, including astronaut Victor J. Glover and teen entrepreneur Nabil Hamdan.
The 2020 Promega Award for Biochemistry ceremony was a bit different this year. Promega Beijing typically announces the award recipients in a ceremony at the biannual meeting of the Chinese Society of Biochemistry and Molecular Biology (CSBMB). As a result of the COVID-19 pandemic, the 2020 conference was moved online. Despite the unusual circumstances, Promega Beijing held a virtual ceremony to grant the award to Dr. Peng Chen and Dr. Haitao Yang.
These assays are relatively easy to understand in principle. Use a primary and secondary reporter vector transiently transfected into your favorite mammalian cell line. The primary reporter is commonly used as a marker for a gene, promoter, or response element of interest. The secondary reporter drives a steady level of expression of a different marker. We can use that second marker to normalize the changes in expression of the primary under the assumption that the secondary marker is unaffected by what is being experimentally manipulated.
While there are many advantages to dual-reporter assays, they require careful planning to avoid common pitfalls. Here’s what you can do to avoid repeating some of the common mistakes we see with new users:
This past weekend was the 9th Annual Wisconsin Science Festival, and we at Promega were excited to join in the celebration of science throughout the state. We participated in the Discovery Expo on Thursday and Friday, where dozens of demonstrations and exhibits were scattered throughout the Wisconsin Institute for Discovery building. Thousands of children on field trips filled the halls, eager to poke and prod at strange and exciting new things.
At our table, we talked about the science of bioluminescence. With 3D-printed firefly luciferase models in hand, we showed the glow of recombinant luciferase to the incoming children and explained to them how scientists could use bioluminescence like a tiny “flashlight” to look inside of cells and watch what’s happening. Our learners received a nice little reward for their attentiveness in the form of glow-in-the-dark firefly stickers.
The stage is set. You’ve spent days setting up this experiment. Your bench is spotless. All the materials you need to finally collect data are laid neatly before you. You fetch your cells from the incubator, add your detection reagents, and carefully slide the assay plate into the luminometer. It whirs and buzzes, and data begin to appear on the computer screen. But wait!
Don’t let this dramatic person be you. Here are 8 tips from us on things to watch out for before you start your next luminescent assay. Make sure you’ll be getting good data before wasting precious sample!
Tailing blunt-ended DNA fragments with TaqDNA Polymerase allows efficient cloning of these fragments into T-Vectors such as the pGEM®-T Vectors. This method also eliminates some of the requirements of conventional blunt-end cloning — Fewer steps, who can argue with that?
We spend a lot of time looking at history and imagining—”what was it like when…?” As a biologist, I find myself most drawn to stories about the evolution of life. Why does this plant have purplish leaves? How did this species end up in a symbiotic relationship with this other species? How did this animal get to this tiny island 20 miles off the Southern coast of Iceland?
That last one was too specific to be rhetorical, wasn’t it? The volcanic island of Surtsey broke the ocean surface on November 14, 1963, and continued to erupt until June 5, 1967, reaching its maximum size of 2.7 km2 (about the size of Central Park in New York City). At this size, it was large enough to be a good site for biocolonization. Only a few scientists are allowed to visit the island, ensuring that colonization of the island can occur without human interference. Continue reading “Science Visitors Only: Watching Life Grow on a New Island”
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