The Amaranth Genome

This book discusses the development of genetic resources in amaranths, a versatile crop with potential for food and fuel production. It highlights the use of genomics, reverse, and forward genetics tools and strategies to improve amaranth crops. The book covers the genetic diversity and characterization of different amaranth species, including their betalain pigments and other valuable traits.

Format: Paperback / softback
Length: 181 pages
Publication date: 03 June 2022
Publisher: Springer Nature Switzerland AG

This comprehensive book delves into the intricate realm of genetic resources in amaranths, with a primary emphasis on the development of genomics, reverse, and forward genetics tools and strategies for crop improvement. Amaranth, a venerable crop with ancient origins in the New World, is experiencing a resurgence of interest owing to its remarkable adaptability, stress tolerance, and nutritional value. The genus encompasses approximately 65 species, including notable varieties such as Amaranthus caudatus L., A. cruentus L., and A. hypochondriacus L., which are primarily cultivated for their protein-rich grains or pseudocereals. Additionally, the genus includes major noxious weeds like A. palmeri. Amaranths belong to the Caryophyllales order, and many species, such as A. tricolor, produce distinct betalain pigments, namely red betacyanin and yellow betaxanthin, which differ chemically from the anthocyanins responsible for red pigmentation in other plants.

In recent years, significant progress has been made in the sequencing and annotation of amaranth genomes. A. hypochondriacus, a species exhibiting disomic inheritance (2n = 32; n = 466 Mb), has been extensively sequenced and annotated, revealing a wealth of 23,059 protein-coding genes. This groundbreaking work has paved the way for further exploration of the genetic diversity within the amaranth genus, encompassing not only weedy amaranths but also grain amaranths and their potential progenitors.

The study of amaranth genetics holds immense potential for improving crop yields, enhancing nutritional content, and developing resilient varieties that can withstand environmental challenges. By leveraging advanced genomics techniques, researchers can unravel the complex genetic mechanisms underlying traits such as drought tolerance, pest resistance, and nutritional value. This knowledge can be utilized to breed new amaranth varieties that are more productive, sustainable, and beneficial to human health.

Furthermore, amaranths have the potential to address global food security issues by providing a sustainable source of protein and carbohydrates. With their high nutritional value, amaranths can be used in various food products, including bread, pasta, snacks, and cereals, offering a healthier alternative to traditional grains. Additionally, amaranths can be used in animal feed, providing a nutritious and environmentally friendly alternative to traditional feedstuffs.

In conclusion, the development of genetic resources in amaranths has opened up new avenues for crop improvement and has the potential to revolutionize the agriculture industry. By leveraging advanced genomics tools and strategies, researchers can unlock the full genetic potential of amaranths and contribute to the sustainable production of food, feed, and other valuable products.

Weight: 390g
Dimension: 254 x 178 (mm)
ISBN-13: 9783030723675
Edition number: 1st ed. 2021