At Texas Tech, a fast-growing research institute is betting that the key to the navigating shifting agricultural landscape lies deep within the genetic circuitry of plants. The Institute of Genomics for Crop Abiotic Stress Tolerance (IGCAST) is helping lead a quiet revolution in plant science, unraveling how crops respond to environmental stress and pushing the boundaries of genetic engineering to create more resilient varieties.
Founded in 2018 with support from the Texas Governor’s University Research Initiative, IGCAST began with just two faculty members and two students. Today, the institute houses eight research teams, more than 40 graduate students and an expanding network of postdoctoral researchers.
IGCAST, led by National Academy of Sciences member and President’s Distinguished Professor Luis Herrera Estrella, brings together a team committed to advancing plant resilience. Its faculty, including Damar Lopez Arredondo, Yinping Jiao, Degao Liu, Gunvant Patil, Son Phan Lam Tran, Madhusudhana Janga, and Pankaj Trivedi, along with five research associate professors, conduct research on how plants, together with their associated microbiomes, survive and adapt to harsh environmental conditions.
“IGCAST is a genomics powerhouse at Texas Tech that develops cutting edge, innovative, science-based outcomes aimed at addressing persistent challenges posed by abiotic stresses in agriculture,” said Krishna Jagadish, Interim Chair and the Thornton Distinguished Chair within Texas Tech’s Department of Plant & Soil Science. “Translation of novel solutions developed at IGCAST will provide new opportunities to ensure sustainability and enhance productivity of ag in West Texas and other semi-arid regions.”
IGCAST also develops new technologies that improve plant transformation and precision gene editing, and accelerate the creation of crops that can withstand the pressures of a changing climate.
IGCAST’s research program work has drawn national attention and significant investment. Since its creation, IGCAST has generated more than $8 million in research funding, the majority from federal agencies such as the National Science Foundation, USDA-NIFA, and commodity boards representing crops like soybeans, sorghum, and cotton. Publication output has followed a similar trajectory, rising from two peer-reviewed papers in 2019 to 122 by the end of 2023.
“We are proud of the accomplishments of IGCAST in a relatively short period of time,” said Noureddine Abidi, Davis College’s associate dean for research and Texas Tech’s interim associate vice president for Research & Innovation. “IGCAST is on the trajectory to be an internationally recognized research institute devoted to optimizing crop production both in terms of yield and quality under diverse environmental conditions of drought, salinity, heat, cold, and low nutrient availability.”
Another sign of the institute’s strength came last fall, when two of the three faculty members from Texas Tech named to Clarivate’s 2025 Highly Cited Researchers list were from IGCAST. “Their accomplishments speak to their own outstanding abilities in their field, but also indicate the rising prominence of Davis College,” said Darren Hudson, associate dean for strategic initiatives and assessment in Davis College.
At the heart of IGCAST’s mission is an ambitious effort to design strategies to integrate epigenetic changes in plant breeding, develop technologies, materials and processes to use bioengineering approaches for food production from carbon dioxide, and use genomics approaches to obtain a deeper understanding of the genetic diversity and regulatory mechanisms of important agronomical traits.
Research focuses on decoding the intricate genomic and metabolic networks that control how plants respond to stress. Additionally, the team is developing innovative technologies that make plant transformation and gene editing faster, more efficient, and more affordable, thereby accelerating plant research and crop improvement. By sequencing the genomes of plants and microalgae that thrive in extreme environments, the IGCAST team is gaining critical insights into molecular responses using state-of-the-art techniques like transcriptomics, metabolomics, proteomics, and single-cell analysis.
The resulting insights inform a broad slate of projects: improving disease resistance in cotton and soybeans; decoding nitrogen-fixation systems; sequencing the genomes of major crops such as cotton, chia, sorghum and maize; developing approaches for carbon sequestration in plants and algae; and designing gene-editing strategies that bypass long-standing technological barriers.
One such obstacle was addressed last fall, when IGCAST researchers announced a breakthrough in plant biotechnology: a tissue culture-free method for creating transgenic and gene-edited crops. In conventional genetic engineering, a single modified cell must be coaxed to regenerate into a whole plant – a slow, expensive, and often unreliable process.
“Plant regeneration has always been the bottleneck in biotechnology,” said Gunvant Patil, senior author of the study and an associate professor at IGCAST. His team engineered a synthetic regeneration system that activates plants’ natural wound-healing pathways. By combining two key genes – WIND1, which reprograms cells at an injury site, and IPT, which stimulates shoot formation – the researchers enabled crops such as tobacco, tomatoes, and soybeans to grow edited shoots directly from wounded tissue.
“It’s like turning on a hidden switch,” Patil said. “The plant begins rebuilding itself, but this time, with the desired genetic change already in place.”
IGCAST’s growth has also been propelled by sweeping investments in research infrastructure. In the summer of 2025, the institute installed a state-of-the-art phenotyping machine, one of only three of its kind in the world and custom-built for Texas Tech’s Department of Plant & Soil Science. Housed within the IGCAST’s Phytotron – a controlled facility of greenhouses and growth chambers –the machine captures high-resolution images of developing plants, allowing researchers to track their responses to heat, drought and other stressors with unprecedented speed.
According to Herrera-Estrella, the technology reduces the time required to analyze crop traits and accelerates the development of seed varieties with higher yields and lower resource demands. “For producers,” he said, “that means faster access to crops that can withstand the harsh realities of a changing climate.”
Beyond the laboratory, the institute has placed significant emphasis on training the next generation of scientists. Graduate students are embedded in research teams, learning techniques in gene editing, computational biology, stress physiology and sustainable agriculture - expertise urgently needed across academia and industry.
CONTACT: Luis Herrera-Estrella, Professor and Director of the Institute of Genomics for Crop Abiotic Stress Tolerance, luis.herrea-estrella@ttu.edu ; or Krishna Jagadish, Interim Chair and Professor, Department of Plant & Soil Science, Davis College of Agricultural Sciences & Natural Resources, Texas Tech University at (806) 834-7953 or kjagadish.sv@ttu.edu
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