Shukhrat E. Shermatov

By Ibrokhim Y. Abdurakhmonov, Alisher Abdullaev, Zabardast Buriev, Shukhrat Shermatov, Fahriddin N. Kushanov, Abdusalom Makamov, Umid Shapulatov, Sharof S. Egamberdiev, Ilkhom B. Salakhutdinov, Mirzakamol Ayubov, Mukhtor Darmanov, Azoda T. Adylova, Sofiya M. Rizaeva, Fayzulla Abdullaev, Shadman Namazov, Malohat Khalikova, Hakimjon Saydaliev, Viktor A. Avtonomov, Marina Snamyan, Tillaboy K. Duiesenov, Jura Musaev, Abdumavlyan A. Abdullaev and Abdusattor Abdukarimov

Part of the book: World Cotton Germplasm Resources

By Mirzakamol S. Ayubov, Ibrokhim Y. Abdurakhmonov, Venkateswara R. Sripathi, Sukumar Saha, Tokhir M. Norov, Zabardast T. Buriev, Shukhrat E. Shermatov, Khurshida A. Ubaydullaeva, Jack C. McCarty, Dewayne D. Deng and Johnie N. Jenkins

Cotton (Gossypium spp.) produces naturally soft, single-celled trichomes as fiber on the seed coat supplying the main source of natural raw material for the textile industry. It is economically considered as one of the most leading cash crops in the world and evolutionarily very important as a model system for detailed scientific investigations. Cotton production is going through a big transition stage such as losing the market share in competition with the synthetic fibers, high popularity of Bt and herbicide resistance genes in cotton cultivars, and the recent shift of fiber demands to meet the standard fiber quality due to change of textile technologies to produce high superior quality of fibers in the global market. Recently, next-generation sequencing technologies through high-throughput sequencing at greatly reduced costs provided opportunities to sequence the diploid and tetraploid cotton genomes. With the availability of large volume of literatures on molecular mapping, new genomic resources, characterization of cotton genomes, discoveries of many novel genes, regulatory elements including small and microRNAs and new genetic tools such as gene silencing or gene editing technique for genome manipulation, this report attempted to provide the readers a comprehensive review on the recent advances of cotton fiber genomics research.

Part of the book: Past, Present and Future Trends in Cotton Breeding

By Venera S. Kamburova, Ilkhom B. Salakhutdinov, Shukhrat E. Shermatov and Ibrokhim Y. Abdurakhmonov

The main task of plant breeding is creating of high-yield, resistant to biotic and abiotic stresses crop varieties with high product quality. The using of traditional breeding methods is limited by the duration of the new crop varieties creation with the required agronomic traits. This depends not only on the duration of growing season and reaching of mature stage of plants (especially the long-period growth plants, e.g. trees), as well as is associated with applying of multiple stages of crossing, selection and testing in breeding process. In addition, conventional methods of chemical and physical mutagenesis do not allow targeting effect to genome. However, the introduction of modern DNA-technology methods, such as genome editing, has opened in a new era in plant breeding. These methods allow to carry out precise and efficient targeted genome modifications, significantly reducing the time required to get plants with desirable features to create new crop varieties in perspective. This review provides the knowledge about application of genome editing methods to increase crop yields and product quality, as well as crop resistance to biotic and abiotic stresses. In addition, future prospects for integrating these technologies into crop breeding strategies are also discussed.

Part of the book: Plant Breeding

By Venera S. Kamburova, Ilkhom B. Salakhutdinov, Shukhrat E. Shermatov, Zabardast T. Buriev and Ibrokhim Y. Abdurakhmonov

Cotton is one of the most important crops in the world. The Gossypium genus is represented by 50 species, divided into two levels of ploidy: diploid (2n = 26) and tetraploid (2n = 52). This diversity of Gossypium species provides an ideal model for studying the evolution and domestication of polyploids. In this regard, studies of the origin and evolution of polyploid cotton species are crucial for understanding the ways and mechanisms of gene and genome evolution. In addition, studies of polyploidization of the cotton genome will allow to more accurately determine the localization of QTLs that determine fiber quality. In addition, due to the fact that cotton fibers are single trichomes originating from epidermal cells, they are one of the most favorable model systems for studying the molecular mechanisms of regulation of cell and cell wall elongation, as well as cellulose biosynthesis.

Part of the book: Model Organisms in Plant Genetics

By Mirzakamol S. Ayubov, Ibrokhim Y. Abdurakhmonov, Abdusalom K. Makamov, Bekhzod O. Mamajonov, Abdurakhmon N. Yusupov, Nuriddin S. Obidov, Ziyodullo H. Bashirxonov, Anvarjon A. Murodov, Mukhtor M. Darmanov, Khurshida A. Ubaydullaeva, Shukhrat E. Shermatov, Zabardast T. Buriev, Ulmasboy T. Sobitov and Nodirjon Y. Abdurakhmonov

Fusarium oxysporum has been a subject of intensive research since 1882, with over 200 studies published from key cotton-growing countries such as the United States, China, Uzbekistan, India, Pakistan, Australia, and Brazil. The present study has employed a diverse array of research methodologies and technological approaches, primarily emphasizing research publications disseminated within the past decade. It places specific emphasis on two key domains: Molecular Mapping and Genome-Wide Association Studies (GWAS), elucidating the evolutionary analysis transition from Simple Sequence Repeat (SSR) to Single Nucleotide Polymorphism (SNP) chip utilization. The creation of a comprehensive molecular map that incorporates Quantitative Trait Loci (QTLs) related to Fusarium and consolidates findings from several research groups, accompanied by figures and tables, serves to facilitate a more thorough understanding of the genetic architecture underlying Fusarium-related traits. An in-depth examination of recent advances in marker-assisted selection for traits conferring resistance to Fusarium oxysporum f. sp. vasinfectum (FOV), coupled with a comprehensive evaluation of the pertinent genes, offers valuable insights into the development of resistant cultivars and the underlying genetic mechanisms. This entails doing a critical review of recent relevant literature. Furthermore, this investigation examines the obstacles and potential associated with developing technologies.

Part of the book: Fusarium - Recent Studies [Working title]