Abstract
Small millets, a member of the Poaceae family grows well in Asia, Africa, and some regions of Europe. These millets are a great source of protein, therefore, it is highly used as a source of food for humans, animals, and birds. Despite the presence of higher content of protein, it is also rich in other essential nutrients such as vitamins, minerals, and, dietary fibers. These millets exhibit biological properties such as being anti-inflammatory, anti-cancerous, and lowering cholesterol and glucose levels in the body. Even though millets exhibit significant biological functions, their consumption and production are declining globally. This may be due to easy availability and easier cooking methods of other prominent cereals such as rice, wheat, and maize. Small millets are also widely used as a potent source for the production of starch and alcohol which is escalating the demand for these millets. The production of small millets is mainly affected due to biotic and abiotic factors. Biotic factors include fungal, bacterial, and viral infections whereas drought, salinity, waterlogging, and lodging are the abiotic factors that greatly affect their production and yield. Reliable and robust methods of plant regeneration, identification of novel functional genes responsible for abiotic stress tolerance, and introduction of new traits to small millets by establishing Agrobacterium-mediated transformation have paved the way for the development of abiotic stress-tolerant millets. This chapter highlights different biotic and abiotic factors that inhibit the growth of small millets, various plant regeneration methods, transformation studies, potential genes for abiotic stress tolerance, and transgenic approaches for the production of improved abiotic stress-tolerant millets.
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Arun, M., Vidya, N., Saravanan, K., Halka, J., Kowsalya, K., Preetha, J.S.Y. (2022). Plant Regeneration and Transgenic Approaches for the Development of Abiotic Stress-Tolerant Small Millets. In: Pudake, R.N., Solanke, A.U., Sevanthi, A.M., Rajendrakumar, P. (eds) Omics of Climate Resilient Small Millets. Springer, Singapore. https://doi.org/10.1007/978-981-19-3907-5_8
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