Multiplying the efficiency and impact of biofortification through metabolic engineering

Area of Science:

• Agricultural Science
• Biotechnology
• Global Health

Background:

• Ending hunger by 2030 is a critical UN-Sustainable Development Goal 2 (UN-SDG2).
• Micronutrient deficiencies (hidden hunger) affect one-third of the global population, hindering economic development.
• Current strategies are insufficient to meet the 2030 deadline.

Purpose of the Study:

• To propose biofortification of staple crops as a key strategy to achieve UN-SDG2.
• To highlight gene stacking as a method for enhancing nutritional value.
• To outline necessary actions and policies for successful implementation.

Main Methods:

• Utilizing conventional breeding techniques.
• Employing metabolic engineering strategies for targeted nutrient enhancement.
• Combining breeding and genetic engineering for gene stacking in staple crops.

Main Results:

• Gene stacking offers a promising approach for rapid nutritional improvement in staple crops.
• This strategy can significantly address hidden hunger within the next decade.
• Successful implementation requires integrated actions and supportive policies.

Conclusions:

• Staple crop biofortification via gene stacking is essential for achieving zero hunger by 2030.
• A combination of advanced breeding and metabolic engineering is crucial.
• Policy interventions are vital to support the widespread adoption of biofortified crops.