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New Research Decodes Pearl Millet’s Climate Resilience and Nutritional Secrets

New Research Decodes Pearl Millet’s Climate Resilience and Nutritional Secrets

Media Release

Collaboration between the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) and Corteva Agriscience has yielded three 'platinum-standard' genome sequences* for pearl millet varieties, providing valuable insights into the crop’s genetic composition.

This milestone study, published in the prestigious Nature’s Communications Biology, paves the way for the development of more climate-resilient and nutritionally enhanced crops.

Pearl millet, a climate-resilient grain, serves as a lifeline to over ninety million people in South Asia and sub-Saharan Africa. ​

Its remarkable ability to endure scorching temperatures, prolonged droughts, and nutrient-deprived soils, sets pearl millet apart as a top solution to bolstering global food and nutritional security in the context of climate change.

Director General of ICRISAT, Dr Jacqueline Hughes commended the collaboration and said the transformative study would augment ICRISAT's and its partners' ability to continue progress towards the creation of crop varieties that transcend the boundaries of nutrition and climate resilience.

"The benefits of these insights are not confined to pearl millet alone; they also extend to closely related cereal crops like foxtail millet, sorghum, wheat, and rice,” said Dr Hughes.

ICRISAT's pioneering work in developing the initial draft genome of pearl millet in 2017 laid the foundation for the current breakthrough.

Leveraging advanced technologies, scientists have meticulously pieced together the genetic puzzle, eliminating gaps in the draft genome.

High-quality genome assemblies are vital for unravelling the genetic basis of traits such as heat and drought resistance, early maturity, rapid grain development, disease resistance, and nutritional attributes, including protein, iron, and zinc levels.

"This study will aid researchers in fast-tracking the development of climate-smart crop varieties for the benefit of smallholder farmers in developing nations," said Professor Rajeev Varshney, Director of the Centre for Crop & Food Innovation at Murdoch University, Australia.
Pearl millet experimental fields at ICRISAT Headquarters.
Pearl millet experimental fields at ICRISAT Headquarters.

Dr Raman Babu, Research Director, Digital Agriculture for Asia-Pacific, Corteva Agriscience said that armed with new levels of accuracy regarding the intricacies of the pearl millet genome, scientists are now equipped to design and implement innovative breeding strategies to enhance both nutrition and resilience, paving the way for the development of superior pearl millet cultivars.

"This development truly marks a watershed moment in the history of the ICRISAT-Corteva partnership and exemplifies how impactful results can be achieved when partners with complementary strengths come together to solve complex scientific challenges,” added Dr Babu.

The comparative genome analysis presented in the study serves as a valuable tool for future genome editing applications in pearl millet, particularly in the identification and reintroduction of vital agricultural traits that may have been lost during domestication but remain present in wild species.

"Platinum-standard genome assemblies provide a strong foundation for future pearl millet research, enabling the development of high-yielding, stress-resistant, and nutritious varieties. This, in turn, advances food production, and livelihoods, and helps combat climate change in regions where pearl millet is a staple crop," stated Dr Rakesh Srivastava, Principal Scientist at ICRISAT.

The detailed study also highlights that pearl millet is genetically coded to produce higher concentrations of amino acids, specifically cysteine and methionine, when compared to legumes like pigeonpea and chickpea. Combining millet with legumes can create a harmonious mix of amino acids, thereby contributing to a well-balanced diet that can effectively combat malnutrition.

This study was spearheaded by Dr Rajeev Varshney, Dr Raman Babu, and Dr Rakesh Srivastava.

File photo of school children enjoying a mid-day millet meal in India.
File photo of school children enjoying a mid-day millet meal in India.

*A genome sequence is a complete and detailed blueprint of an organism's genetic material, which is typically composed of DNA (or RNA in the case of some viruses).

This work aligns with SDGs 1, 2, 3, 13 and 17.


Ramon Peachey
Ramon Peachey Director – Communications


Crop Improvement Genetic Research Food and Nutrition Security Climate Action Partnerships Accelerated Crop Improvement
About The International Crops Research Institute for the Semi-Arid Tropics

The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) is a pioneering International Organization committed to developing and improving dryland farming and agri-food systems to address the challenges of hunger, malnutrition, poverty, and environmental degradation affecting the 2.1 billion people residing in the drylands of Asia, Sub-Saharan Africa, and beyond.

ICRISAT was established under a Memorandum of Agreement between the Government of India and the CGIAR on the 28 March 1972. In accordance with the Headquarters Agreement, the Government of India has extended the status of a specified “International Organisation” to ICRISAT under section 3 of the United Nations (Privileges and Immunities) Act, 1947 of the Republic of India through Extraordinary Gazette Notification No. UI/222(66)/71, dated 28 October 1972, issued by the Ministry of External Affairs, Government of India.

Our offices:

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East and Southern Africa:  Ethiopia, Kenya, Mozambique, Malawi, Zimbabwe

West and Central Africa: Mali, Niger, Nigeria

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The International Crops Research Institute for the Semi-Arid Tropics
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