Written by: Sarah Sherman, Ph.D
The humble peanut sustains millions of people across continents, from the arid fields of Africa to the humid fields of Asia. It is a source of income, nutrition and cultural identity. Yet whether in a village in Malawi or a home in South America, farmers face the same vulnerability: A single drought or disease outbreak can end a season’s work and threaten the food supply for entire communities.
While these challenges are global, the solutions are becoming increasingly local. In the heart of Alabama’s wiregrass region, the self-proclaimed peanut capital of the world, the traditional tenacity of the American farmer is meeting the cutting edge of genomic science.
The delicacy of the form
On a June morning in Alabama’s wiregrass region, the horizon glows with warmth as the peanut fields stretch out in perfect, leafy rows. For the casual observer, this is a tranquil landscape. For the farmer, each plant represents months of calculated risk: field, planting, irrigation, pest management, and weathering.
“Imagine working day and night for months only to have your livelihood destroyed by something you can’t even see,” said one local wiregrass farmer. He explains that this fact connects wiregrass farmers with peanut farmers in Malawi, India and Argentina. The line between a profitable year and a total loss can come down to the same hidden dangers: drought, coke and heat.
William Birdsong, an agronomist who has spent three decades helping Alabama farmers, has seen it all. “We’ve certainly made tremendous gains in technology,” he says, “but the risks are high.” It has developed a long list of threats, from aflatoxins to the lesser corn stalk borer, a pest so small it tunnels through the pods, opening a gateway for fungus and toxins. “At the end of the day,” Birdsong says, “farmers everywhere are still subject to what Mother Nature decides.”
For generations, traditional breeding and better management practices were the only means of combating these threats. But with weather fluctuating and new pathogens on the rise, growers are finding solutions faster than nature can provide them. The answer is no longer just in the soil. It is in the genetic code.
Genomic solutions: Bespoke peanuts for wiregrass and beyond.
In a bright lab inside the Wiregrass Innovation Center, scientists at the Hudson Alpha Institute for Biotechnology are reading letter by letter the DNA code of a peanut, a code nearly twice as long as a human’s. This is the heart of the work of Hudson Alpha faculty investigator Dr. Josh Clevenger. The team uses an approach called “genome-directed breeding” and the goal is attractive: tailor-made, or “bespoke” peanut varieties designed to thrive in wiregrass’ unique soil, climate and peanut stress.
“It’s about turning natural genetic variation into resilience,” says Clevenger. “When we identify genes or genetic changes that confer drought tolerance or virus resistance, we can help breeders everywhere select parent plants that pass on those strengths.”
Their process mirrors the complex selection that farmers have practiced for centuries, but “turbocharged” by data. Instead of waiting generations to see results in the field, scientists can now scan DNA for markers linked to drought or disease resistance, then hand-breed a shortlist of parent plants that can potentially pass on those traits.
The results have already reached far beyond Alabama. The Clevenger lab identified genetic partners that confer resistance to peanut smut, a soil-borne fungus that has devastated crops in Argentina. Similarly, they identified genetic variation associated with resistance to tomato spotted wilt virus, one of the Southeast’s most persistent production killers. These discoveries are being incorporated into international breeding programs to strengthen local varieties worldwide.
While these challenges are global, the solutions are becoming increasingly local. In the heart of Alabama’s wiregrass region, the self-proclaimed peanut capital of the world, the traditional tenacity of the American farmer is meeting the cutting edge of genomic science.
Tangible results beyond harvest
For all its technical sophistication, the peanut genomics effort is as much about the people as it is about the plants. In late 2022, Hudson Alpha announced a partnership with the city of Dothan to expand its footprint into the Wiregrass region of southeast Alabama. By embedding high-tech enterprise in a large-scale agricultural region, HudsonAlpha Wiregrass is reshaping how rural communities view science, and how science can serve them.
“Biotechnology isn’t just for white-coat scientists far away. It can be an economic and educational lifesaver here at home,” says Hudson Alpha computational biologist Kathryn Davis.
This local influence is visible in Dothan’s growing ecosystem of researchers and agtech innovators who might have felt compelled to move to California or Boston for this level of work. Through the Wiregrass Peanut Project, local high school students are now learning DNA extraction and bioinformatics modules in their classrooms, planting the seeds for the next generation of scientists working to future-proof global food systems.
Dothan Mayor Mark Saliba sees it as a defense against “brain drain.” “For young people in the Wiregrass area to see high-skill, high-wage jobs right here — that’s huge,” Saliba says. “It’s validation that what we’re doing matters and helps solve real-world problems.”
Resilience, rooted in DNA.
Standing in the research fields in Headland, Alabama, you can see how small genetic differences translate to survival. One row of plants remains green due to drought, while the other withers. These simple differences, powered by genetic markers identified in Hudson Alpha’s labs, are proof of what adaptive crops can achieve.
Peanut breeders thought in decades. Now, with genomic tools, we can think in seasons.
“Peanut breeders used to think in decades,” says Clevenger. “Now with genomic tools, we can think in seasons.” Speed matters. When an invasive pathogen pops up, or rainfall patterns change, the difference between field failure and a bumper crop can rest on how quickly researchers and growers can respond.
This agility is very important. Peanuts are natural nitrogen fixers, meaning they enrich the soil even as they feed people. Making them more resilient supports global sustainability by reducing fertilizer use, preserving yields, and protecting fragile ecosystems.
From Wiregrass to the World
Back under the Alabama sun, hope is tangible. Hudson Alpha’s Kathy L. Chen greenhouse is filled with trays lined with carefully tracked next-generation peanut plants. Each is a lived experience of resilience, a small, coded promise that the next season might be a little easier, the next harvest a little safer. What starts here in Alabama will impact peanut breeding efforts on all continents.
For the region’s farmers, that promise could mean staying on the land their families have worked for generations. For agricultural policymakers, this is proof that investments in genomic research pay off not only in scientific discovery but also in economic security. And for anyone who’s ever enjoyed a handful of roasted peanuts or packed a PB&J in a lunchbox, it’s proof that innovation rooted in community and soil can protect a global food we often take for granted.
As Birdsong says, “We always have to adapt. Now we finally have science catching up with farmers’ instincts.”
In Wiregrass, the partnership between old knowledge and new technology could be the recipe for the world’s next great peanut, built not just to survive but to sustain the people who depend on it.
