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Ayubov MS, Buriev ZT, Mirzakhmedov MK, Yusupov AN, Usmanov DE, Shermatov SE, Ubaydullaeva KA, Abdurakhmonov IY. Profiling of the most reliable mutations from sequenced SARS-CoV-2 genomes scattered in Uzbekistan. PLoS One 2022; 17:e0266417. [PMID: 35358277 PMCID: PMC8970392 DOI: 10.1371/journal.pone.0266417] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 03/20/2022] [Indexed: 02/05/2023] Open
Abstract
Due to rapid mutations in the coronavirus genome over time and re-emergence of multiple novel variants of concerns (VOC), there is a continuous need for a periodic genome sequencing of SARS-CoV-2 genotypes of particular region. This is for on-time development of diagnostics, monitoring and therapeutic tools against virus in the global pandemics condition. Toward this goal, we have generated 18 high-quality whole-genome sequence data from 32 SARS-CoV-2 genotypes of PCR-positive COVID-19 patients, sampled from the Tashkent region of Uzbekistan. The nucleotide polymorphisms in the sequenced sample genomes were determined, including nonsynonymous (missense) and synonymous mutations in coding regions of coronavirus genome. Phylogenetic analysis grouped fourteen whole genome sample sequences (1, 2, 4, 5, 8, 10-15, 17, 32) into the G clade (or GR sub-clade) and four whole genome sample sequences (3, 6, 25, 27) into the S clade. A total of 128 mutations were identified, consisting of 45 shared and 83 unique mutations. Collectively, nucleotide changes represented one unique frameshift mutation, four upstream region mutations, six downstream region mutations, 50 synonymous mutations, and 67 missense mutations. The sequence data, presented herein, is the first coronavirus genomic sequence data from the Republic of Uzbekistan, which should contribute to enrich the global coronavirus sequence database, helping in future comparative studies. More importantly, the sequenced genomic data of coronavirus genotypes of this study should be useful for comparisons, diagnostics, monitoring, and therapeutics of COVID-19 disease in local and regional levels.
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Affiliation(s)
- Mirzakamol S. Ayubov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
- * E-mail:
| | - Zabardast T. Buriev
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
| | - Mukhammadjon K. Mirzakhmedov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
| | - Abdurakhmon N. Yusupov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
| | - Dilshod E. Usmanov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
| | - Shukhrat E. Shermatov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
| | - Khurshida A. Ubaydullaeva
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
| | - Ibrokhim Y. Abdurakhmonov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Qibray Region, Tashkent, Republic of Uzbekistan
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Ayubov MS, Norov TM, Saha S, Tseng TM, Reddy KR, Jenkins JN, Abdurakhmonov IY, Stelly DM. Alteration of root and shoot morphologies by interspecific replacement of individual Upland cotton chromosome or chromosome segment pairs. Euphytica 2021. [DOI: 10.1007/s10681-021-02771-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Kushanov FN, Turaev OS, Ernazarova DK, Gapparov BM, Oripova BB, Kudratova MK, Rafieva FU, Khalikov KK, Erjigitov DS, Khidirov MT, Kholova MD, Khusenov NN, Amanboyeva RS, Saha S, Yu JZ, Abdurakhmonov IY. Genetic Diversity, QTL Mapping, and Marker-Assisted Selection Technology in Cotton ( Gossypium spp.). Front Plant Sci 2021; 12:779386. [PMID: 34975965 PMCID: PMC8716771 DOI: 10.3389/fpls.2021.779386] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 11/23/2021] [Indexed: 02/05/2023]
Abstract
Cotton genetic resources contain diverse economically important traits that can be used widely in breeding approaches to create of high-yielding elite cultivars with superior fiber quality and adapted to biotic and abiotic stresses. Nevertheless, the creation of new cultivars using conventional breeding methods is limited by the cost and proved to be time consuming process, also requires a space to make field observations and measurements. Decoding genomes of cotton species greatly facilitated generating large-scale high-throughput DNA markers and identification of QTLs that allows confirmation of candidate genes, and use them in marker-assisted selection (MAS)-based breeding programs. With the advances of quantitative trait loci (QTL) mapping and genome-wide-association study approaches, DNA markers associated with valuable traits significantly accelerate breeding processes by replacing the selection with a phenotype to the selection at the DNA or gene level. In this review, we discuss the evolution and genetic diversity of cotton Gossypium genus, molecular markers and their types, genetic mapping and QTL analysis, application, and perspectives of MAS-based approaches in cotton breeding.
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Affiliation(s)
- Fakhriddin N. Kushanov
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
- Department of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
- *Correspondence: Fakhriddin N. Kushanov, ;
| | - Ozod S. Turaev
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Dilrabo K. Ernazarova
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
- Department of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Bunyod M. Gapparov
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Barno B. Oripova
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
- Department of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Mukhlisa K. Kudratova
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Feruza U. Rafieva
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Kuvandik K. Khalikov
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Doston Sh. Erjigitov
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Mukhammad T. Khidirov
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Madina D. Kholova
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Naim N. Khusenov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Roza S. Amanboyeva
- Department of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Sukumar Saha
- Crop Science Research Laboratory, USDA-ARS, Washington, DC, United States
| | - John Z. Yu
- Southern Plains Agricultural Research Center, USDA-ARS, Washington, DC, United States
| | - Ibrokhim Y. Abdurakhmonov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
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Ayubov MS, Mirzakhmedov MH, Sripathi VR, Buriev ZT, Ubaydullaeva KA, Usmonov DE, Norboboyeva RB, Emani C, Kumpatla SP, Abdurakhmonov IY. Role of MicroRNAs and small RNAs in regulation of developmental processes and agronomic traits in Gossypium species. Genomics 2019; 111:1018-1025. [PMID: 30026106 DOI: 10.1016/j.ygeno.2018.07.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 07/10/2018] [Accepted: 07/14/2018] [Indexed: 02/08/2023]
Abstract
Small RNAs (sRNAs) are short, non-coding, 17-24 nucleotides long RNA molecules that play vital roles in regulating gene expression in every known organism investigated to date including cotton (Gossypium ssp.). These tiny RNA molecules target diverse categories of genes from different bioliogical and metabolic processes and have been reported in the three domains of life. Small RNAs, including miRNAs, are involved in ovule and fiber development, biotic and abiotic stresses, fertility, and other biochemical processes in cotton species. Also, sRNAs are the critical components in RNA interference pathway. In this article, we have reviewed the research efforts related to the isolation and characterization of miRNAs using molecular and genomic approaches. The progress made in understanding the functional roles of miRNAs in regulation, alteration, and inactivation of fundamental plant processes and traits of importance in cotton are presented here.
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Affiliation(s)
- Mirzakamol S Ayubov
- Center of Genomics and bioinformatics, Academy of Sciences Republic of Uzbekistan, Uzbekistan
| | - Mukhammad H Mirzakhmedov
- Center of Genomics and bioinformatics, Academy of Sciences Republic of Uzbekistan, Uzbekistan; Faculty of Agricultural Science, University of Hohenheim, Germany
| | - Venkateswara R Sripathi
- Center for Molecular Biology, Department of Biological and Environmental Sciences, Alabama A and M University, AL, USA
| | - Zabardast T Buriev
- Center of Genomics and bioinformatics, Academy of Sciences Republic of Uzbekistan, Uzbekistan
| | | | - Dilshod E Usmonov
- Center of Genomics and bioinformatics, Academy of Sciences Republic of Uzbekistan, Uzbekistan
| | - Risolat B Norboboyeva
- Center of Genomics and bioinformatics, Academy of Sciences Republic of Uzbekistan, Uzbekistan
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Mammadov J, Buyyarapu R, Guttikonda SK, Parliament K, Abdurakhmonov IY, Kumpatla SP. Wild Relatives of Maize, Rice, Cotton, and Soybean: Treasure Troves for Tolerance to Biotic and Abiotic Stresses. Front Plant Sci 2018; 9:886. [PMID: 30002665 PMCID: PMC6032925 DOI: 10.3389/fpls.2018.00886] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 06/07/2018] [Indexed: 02/05/2023]
Abstract
Global food demand is expected to nearly double by 2050 due to an increase in the world's population. The Green Revolution has played a key role in the past century by increasing agricultural productivity worldwide, however, limited availability and continued depletion of natural resources such as arable land and water will continue to pose a serious challenge for global food security in the coming decades. High yielding varieties with proven tolerance to biotic and abiotic stresses, superior nutritional profiles, and the ability to adapt to the changing environment are needed for continued agricultural sustainability. The narrow genetic base of modern cultivars is becoming a major bottleneck for crop improvement efforts and, therefore, the use of crop wild relatives (CWRs) is a promising approach to enhance genetic diversity of cultivated crops. This article provides a review of the efforts to date on the exploration of CWRs as a source of tolerance to multiple biotic and abiotic stresses in four global crops of importance; maize, rice, cotton, and soybean. In addition to the overview of the repertoire and geographical spread of CWRs in each of the respective crops, we have provided a comprehensive discussion on the morphological and/or genetic basis of the traits along with some examples, when available, of the research in the transfer of traits from CWRs to cultivated varieties. The emergence of modern molecular and genomic technologies has not only accelerated the pace of dissecting the genetics underlying the traits found in CWRs, but also enabled rapid and efficient trait transfer and genome manipulation. The potential and promise of these technologies has also been highlighted in this review.
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Affiliation(s)
- Jafar Mammadov
- Agriculture Division of DowDuPont™, Corteva Agriscience™, Johnston, IA, United States
| | - Ramesh Buyyarapu
- Agriculture Division of DowDuPont™, Corteva Agriscience™, Johnston, IA, United States
| | - Satish K. Guttikonda
- Agriculture Division of DowDuPont™, Corteva Agriscience™, Johnston, IA, United States
| | - Kelly Parliament
- Agriculture Division of DowDuPont™, Corteva Agriscience™, Johnston, IA, United States
| | - Ibrokhim Y. Abdurakhmonov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Siva P. Kumpatla
- Agriculture Division of DowDuPont™, Corteva Agriscience™, Johnston, IA, United States
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Shapulatov U, van Hoogdalem M, Schreuder M, Bouwmeester H, Abdurakhmonov IY, van der Krol AR. Functional intron-derived miRNAs and host-gene expression in plants. Plant Methods 2018; 14:83. [PMID: 30258486 PMCID: PMC6151947 DOI: 10.1186/s13007-018-0351-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 09/18/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND Recently, putative pre-miRNAs locations have been identified in the introns of plant genes, raising the question whether such genes can show a dual functionality by having both correct maturation of the host gene pre-mRNA and maturation of the miRNAs from the intron. Here, we demonstrated that such dual functionality is indeed possible, using as host gene the firefly luciferase gene with intron (ffgLUC), and different artificial intronic miRNAs (aimiRNA) placed within the intron of ffgLUC. RESULTS The miRNAs were based on the structure of the natural miR319a. Luciferase (LUC) activity in planta was used to evaluate a correct splicing of the ffgLUC mRNA. Different target sequences were inserted into the aimiRNA to monitor efficiency of silencing of different target mRNAs. After adjusting the insertion cloning strategy, the ffgLUCaimiR-319a gene showed dual functionality with correct splicing of ffgLUC and efficient silencing of TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR1 transcription factor genes targeted in-trans by aimiR-319a or targeting the transgene ffLUC in-cis by an aimiR-LUC. Silencing of endogenous target genes by aimiRNA or amiRNA is efficient both in transient assays and stable transformants. A behave as strong phenotype the PHYTOCHROME B (PHYB) gene was also targeted by ffgLUCaimiR-PHYB. The lack of silencing of the PHYB target was most likely due to an insensitive target site within the PHYB mRNA which can potentially form a double stranded stem structure. CONCLUSION The combination of an overexpression construct with an artificial intronic microRNA allows for a simultaneous dual function in plants. The concept therefore adds new options to engineering of plant traits that require multiple gene manipulations.
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Affiliation(s)
- Umidjon Shapulatov
- 0000 0001 0791 5666grid.4818.5Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PD Wageningen, The Netherlands
- 0000 0001 2110 259Xgrid.419209.7Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, University Street-2, Qibray Region, Tashkent, Uzbekistan 111215
| | - Mark van Hoogdalem
- 0000 0001 0791 5666grid.4818.5Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PD Wageningen, The Netherlands
| | - Marielle Schreuder
- 0000 0001 0791 5666grid.4818.5Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PD Wageningen, The Netherlands
| | - Harro Bouwmeester
- 0000 0001 0791 5666grid.4818.5Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PD Wageningen, The Netherlands
| | - Ibrokhim Y. Abdurakhmonov
- 0000 0001 2110 259Xgrid.419209.7Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, University Street-2, Qibray Region, Tashkent, Uzbekistan 111215
| | - Alexander R. van der Krol
- 0000 0001 0791 5666grid.4818.5Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PD Wageningen, The Netherlands
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Abdullaev AA, Salakhutdinov IB, Egamberdiev SS, Khurshut EE, Rizaeva SM, Ulloa M, Abdurakhmonov IY. Genetic diversity, linkage disequilibrium, and association mapping analyses of Gossypium barbadense L. germplasm. PLoS One 2017; 12:e0188125. [PMID: 29136656 PMCID: PMC5685624 DOI: 10.1371/journal.pone.0188125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 11/01/2017] [Indexed: 02/05/2023] Open
Abstract
Limited polymorphism and narrow genetic base, due to genetic bottleneck through historic domestication, highlight a need for comprehensive characterization and utilization of existing genetic diversity in cotton germplasm collections. In this study, 288 worldwide Gossypium barbadense L. cotton germplasm accessions were evaluated in two diverse environments (Uzbekistan and USA). These accessions were assessed for genetic diversity, population structure, linkage disequilibrium (LD), and LD-based association mapping (AM) of fiber quality traits using 108 genome-wide simple sequence repeat (SSR) markers. Analyses revealed structured population characteristics and a high level of intra-variability (67.2%) and moderate interpopulation differentiation (32.8%). Eight percent and 4.3% of markers revealed LD in the genome of the G. barbadense at critical values of r2 ≥ 0.1 and r2 ≥ 0.2, respectively. The LD decay was on average 24.8 cM at the threshold of r2 ≥ 0.05. LD retained on average distance of 3.36 cM at the threshold of r2 ≥ 0.1. Based on the phenotypic evaluations in the two diverse environments, 100 marker loci revealed a strong association with major fiber quality traits using mixed linear model (MLM) based association mapping approach. Fourteen marker loci were found to be consistent with previously identified quantitative trait loci (QTLs), and 86 were found to be new unreported marker loci. Our results provide insights into the breeding history and genetic relationship of G. barbadense germplasm and should be helpful for the improvement of cotton cultivars using molecular breeding and omics-based technologies.
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Affiliation(s)
- Alisher A. Abdullaev
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - Ilkhom B. Salakhutdinov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - Sharof S. Egamberdiev
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - Ernest E. Khurshut
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - Sofiya M. Rizaeva
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - Mauricio Ulloa
- Cropping Systems Research Laboratory, United States Department of Agriculture - Agricultural Research Services, Lubbock, Texas, United States of America
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Geng L, Deng DD, Wubben MJ, Jenkins JN, McCarty JC, Abdurakhmonov I. A High-Throughput Standard PCR-Based Genotyping Method for Determining Transgene Zygosity in Segregating Plant Populations. Front Plant Sci 2017; 8:1252. [PMID: 28791034 PMCID: PMC5522864 DOI: 10.3389/fpls.2017.01252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 07/03/2017] [Indexed: 02/05/2023]
Abstract
In crop research programs that implement transgene-based strategies for trait improvement it is necessary to distinguish between transgene homozygous and hemizygous individuals in segregating populations. Direct methods for determining transgene zygosity are technically challenging, expensive, and require specialized equipment. In this report, we describe a standard PCR-based protocol coupled with capillary electrophoresis that can identify transgene homozygous and hemizygous individuals in a segregating population without knowledge of transgene insertion site. PCR primers were designed to amplify conserved T-DNA segments of the 35S promoter, OCS terminator, and NPTII kanamycin resistance gene in the pHellsgate-8 RNAi construct for the Gossypium hirsutum phytochrome A1 gene. Using an optimized multiplexed reaction mixture and an amplification program of only 10 cycles we could discriminate between transgene homozygous and hemizygous cotton control DNA samples based on PCR product peak characteristics gathered by capillary electrophoresis. The protocol was refined by evaluating segregating transgenic progeny from nine BC1S1 populations derived from crosses between the transgenic cotton parent 'E-1-7-6' and other cotton cultivars. OCS PCR product peak height and peak area, normalized by amplification of the native cotton gene GhUBC1, revealed clear bimodal distributions of OCS product characteristics for each BC1S1 population indicating the presence of homozygous and hemizygous clusters which was further confirmed via K-means clustering. BC1S1 plants identified as homozygous or hemizygous were self-fertilized to produce BC1S2 progeny. For the homozygous class, 19/20 BC1S2 families confirmed the homozygous BC1S1 prediction while 21/21 BC1S2 families confirmed the hemizygous prediction of the original parent. This relatively simple protocol provides a reliable, rapid, and high-throughput way of evaluating segregating transgenic populations using methods and equipment common to crop molecular breeding labs.
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Affiliation(s)
- Lige Geng
- Hebei Center for Agriculture Genetic Resources Preservation, Institute of Cereal and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences/Crop Genetics and Breeding Laboratory of Hebei ProvinceShijiazhuang, China
| | - Dewayne D Deng
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, United States Department of Agriculture - Agricultural Research Service, Mississippi StateMS, United States
| | - Martin J Wubben
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, United States Department of Agriculture - Agricultural Research Service, Mississippi StateMS, United States
| | - Johnie N Jenkins
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, United States Department of Agriculture - Agricultural Research Service, Mississippi StateMS, United States
| | - Jack C McCarty
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, United States Department of Agriculture - Agricultural Research Service, Mississippi StateMS, United States
| | - Ibrokhim Abdurakhmonov
- Center of Genomics and Bioinformatics, Academy of Sciences of UzbekistanTashkent, Uzbekistan
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Kamburova VS, Nikitina EV, Shermatov SE, Buriev ZT, Kumpatla SP, Emani C, Abdurakhmonov IY. Genome Editing in Plants: An Overview of Tools and Applications. International Journal of Agronomy 2017; 2017:1-15. [DOI: 10.1155/2017/7315351] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The emergence of genome manipulation methods promises a real revolution in biotechnology and genetic engineering. Targeted editing of the genomes of living organisms not only permits investigations into the understanding of the fundamental basis of biological systems but also allows addressing a wide range of goals towards improving productivity and quality of crops. This includes the creation of plants with valuable compositional properties and with traits that confer resistance to various biotic and abiotic stresses. During the past few years, several novel genome editing systems have been developed; these include zinc finger nucleases (ZFNs), transcription activator-like effector nucleases (TALENs), and clustered regularly interspaced short palindromic repeats/Cas9 (CRISPR/Cas9). These exciting new methods, briefly reviewed herein, have proved themselves as effective and reliable tools for the genetic improvement of plants.
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Miao Q, Deng P, Saha S, Jenkins JN, Hsu CY, Abdurakhmonov IY, Buriev ZT, Pepper A, Ma DP. Genome-wide identification and characterization of microRNAs differentially expressed in fibers in a cotton phytochrome A1 RNAi line. PLoS One 2017; 12:e0179381. [PMID: 28614407 PMCID: PMC5470697 DOI: 10.1371/journal.pone.0179381] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 05/28/2017] [Indexed: 02/07/2023] Open
Abstract
Cotton fiber is an important commodity throughout the world. Fiber property determines fiber quality and commercial values. Previous studies showed that silencing phytochrome A1 gene (PHYA1) by RNA interference in Upland cotton (Gossypium hirsutum L. cv. Coker 312) had generated PHYA1 RNAi lines with simultaneous improvements in fiber quality (longer, stronger and finer fiber) and other key agronomic traits. Characterization of the altered molecular processes in these RNAi genotypes and its wild-type controls is a great interest to better understand the PHYA1 RNAi phenotypes. In this study, a total of 77 conserved miRNAs belonging to 61 families were examined in a PHYA1 RNAi line and its parental Coker 312 genotype by using multiplex sequencing. Of these miRNAs, seven (miR7503, miR7514, miR399c, miR399d, miR160, miR169b, and miR2950) were found to be differentially expressed in PHYA1 RNAi cotton. The target genes of these differentially expressed miRNAs were involved in the metabolism and signaling pathways of phytohormones, which included Gibberellin, Auxin and Abscisic Acid. The expression of several MYB transcription factors was also affected by miRNAs in RNAi cotton. In addition, 35 novel miRNAs (novel miR1-novel miR35) were identified in fibers for the first time in this study. Target genes of vast majority of these novel miRNAs were also predicted. Of these, nine novel miRNAs (novel-miR1, 2, 16, 19, 26, 27, 28, 31 and 32) were targeted to cytochrome P450-like TATA box binding protein (TBP). The qRT-PCR confirmed expression levels of several differentially regulated miRNAs. Expression patterns of four miRNAs-targets pairs were also examined via RNA deep sequencing. Together, the results imply that the regulation of miRNA expression might confer to the phenotype of the PHYA1 RNAi line(s) with improved fiber quality.
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Affiliation(s)
- Qing Miao
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS, United States of America
| | - Peng Deng
- Department of Pharmacology, Weill Cornell Medical College of Cornell University, New York, NY, United States of America
| | - Sukumar Saha
- USDA-ARS, Crop Science Research Laboratory, Mississippi State, MS, United States of America
| | - Johnie N. Jenkins
- USDA-ARS, Crop Science Research Laboratory, Mississippi State, MS, United States of America
| | - Chuan-Yu Hsu
- Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Mississippi State, MS, United States of America
| | | | - Zabardast T. Buriev
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - Alan Pepper
- Department of Biology, Texas A & M University, College Station, TX, United States of America
| | - Din-Pow Ma
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS, United States of America
- * E-mail:
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Kushanov FN, Buriev ZT, Shermatov SE, Turaev OS, Norov TM, Pepper AE, Saha S, Ulloa M, Yu JZ, Jenkins JN, Abdukarimov A, Abdurakhmonov IY. QTL mapping for flowering-time and photoperiod insensitivity of cotton Gossypium darwinii Watt. PLoS One 2017; 12:e0186240. [PMID: 29016665 PMCID: PMC5633191 DOI: 10.1371/journal.pone.0186240] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 09/27/2017] [Indexed: 02/05/2023] Open
Abstract
Most wild and semi-wild species of the genus Gossypium are exhibit photoperiod-sensitive flowering. The wild germplasm cotton is a valuable source of genes for genetic improvement of modern cotton cultivars. A bi-parental cotton population segregating for photoperiodic flowering was developed by crossing a photoperiod insensitive irradiation mutant line with its pre-mutagenesis photoperiodic wild-type G. darwinii Watt genotype. Individuals from the F2 and F3 generations were grown with their parental lines and F1 hybrid progeny in the long day and short night summer condition (natural day-length) of Uzbekistan to evaluate photoperiod sensitivity, i.e., flowering-time during the seasons 2008-2009. Through genotyping the individuals of this bi-parental population segregating for flowering-time, linkage maps were constructed using 212 simple-sequence repeat (SSR) and three cleaved amplified polymorphic sequence (CAPS) markers. Six QTLs directly associated with flowering-time and photoperiodic flowering were discovered in the F2 population, whereas eight QTLs were identified in the F3 population. Two QTLs controlling photoperiodic flowering and duration of flowering were common in both populations. In silico annotations of the flanking DNA sequences of mapped SSRs from sequenced cotton (G. hirsutum L.) genome database has identified several potential 'candidate' genes that are known to be associated with regulation of flowering characteristics of plants. The outcome of this research will expand our understanding of the genetic and molecular mechanisms of photoperiodic flowering. Identified markers should be useful for marker-assisted selection in cotton breeding to improve early flowering characteristics.
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Affiliation(s)
- Fakhriddin N. Kushanov
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Zabardast T. Buriev
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Shukhrat E. Shermatov
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Ozod S. Turaev
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Tokhir M. Norov
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Alan E. Pepper
- Department of Biology, Texas A&M University, Colleges Station, Texas, United States of America
| | - Sukumar Saha
- Crop Science Research Laboratory, United States Department of Agriculture-Agricultural Research Services, Starkville, Mississippi, United States of America
| | - Mauricio Ulloa
- Plant Stress and Germplasm Development Research, United States Department of Agriculture-Agricultural Research Services, Lubbock, Texas, United States of America
| | - John Z. Yu
- Southern Plains Agricultural Research Center, United States Department of Agriculture-Agricultural Research Services, College Station, Texas, United States of America
| | - Johnie N. Jenkins
- Crop Science Research Laboratory, United States Department of Agriculture-Agricultural Research Services, Starkville, Mississippi, United States of America
| | - Abdusattor Abdukarimov
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
| | - Ibrokhim Y. Abdurakhmonov
- Laboratory of Structural and Functional Genomics, Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
- * E-mail:
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Kushanov FN, Pepper AE, Yu JZ, Buriev ZT, Shermatov SE, Saha S, Ulloa M, Jenkins JN, Abdukarimov A, Abdurakhmonov IY. Development, genetic mapping and QTL association of cotton PHYA, PHYB, and HY5-specific CAPS and dCAPS markers. BMC Genet 2016; 17:141. [PMID: 27776497 PMCID: PMC5078887 DOI: 10.1186/s12863-016-0448-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 10/13/2016] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Among SNP markers that become increasingly valuable in molecular breeding of crop plants are the CAPS and dCAPS markers derived from the genes of interest. To date, the number of such gene-based markers is small in polyploid crop plants such as allotetraploid cotton that has A- and D-sub-genomes. The objective of this study was to develop and map new CAPS and dCAPS markers for cotton developmental-regulatory genes that are important in plant breeding programs. RESULTS Gossypium hirsutum and G. barbadense, are the two cultivated allotetraploid cotton species. These have distinct fiber quality and other agronomic traits. Using comparative sequence analysis of characterized GSTs of the PHYA1, PHYB, and HY5 genes of G. hirsutum and G. barbadense one PHYA1-specific Mbo I/Dpn II CAPS, one PHYB-specific Alu I dCAPS, and one HY5-specific Hinf I dCAPS cotton markers were developed. These markers have successfully differentiated the two allotetraploid genomes (AD1 and AD2) when tested in parental genotypes of 'Texas Marker-1' ('TM-1'), 'Pima 3-79' and their F1 hybrids. The genetic mapping and chromosome substitution line-based deletion analyses revealed that PHYA1 gene is located in A-sub-genome chromosome 11, PHYB gene is in A-sub-genome chromosome 10, and HY5 gene is in D-sub-genome chromosome 24, on the reference 'TM-1' x 'Pima 3-79' RIL genetic map. Further, it was found that genetic linkage map regions containing phytochrome and HY5-specific markers were associated with major fiber quality and flowering time traits in previously published QTL mapping studies. CONCLUSION This study detailed the genome mapping of three cotton phytochrome genes with newly developed CAPS and dCAPS markers. The proximity of these loci to fiber quality and other cotton QTL was demonstrated in two A-subgenome and one D-subgenome chromosomes. These candidate gene markers will be valuable for marker-assisted selection (MAS) programs to rapidly introgress G. barbadense phytochromes and/or HY5 gene (s) into G. hirsutum cotton genotypes or vice versa.
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Affiliation(s)
- Fakhriddin N. Kushanov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, University Street-2, Qibray region Tashkent District, 111215 Uzbekistan
| | - Alan E. Pepper
- Department of Biology, Texas A&M University, Colleges Station, TX 77843 USA
| | - John Z. Yu
- USDA-ARS, Southern Plains Agricultural Research Center, 2881 F&B Road, College Station, TX 77845 USA
| | - Zabardast T. Buriev
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, University Street-2, Qibray region Tashkent District, 111215 Uzbekistan
| | - Shukhrat E. Shermatov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, University Street-2, Qibray region Tashkent District, 111215 Uzbekistan
| | - Sukumar Saha
- USDA-ARS, Crop Science Research Laboratory, Mississippi State, MS 39762 USA
| | - Mauricio Ulloa
- USDA-ARS, Plant Stress and Germplasm Development Research, 3810 4th Street, Lubbock, TX 79415 USA
| | - Johnie N. Jenkins
- USDA-ARS, Crop Science Research Laboratory, Mississippi State, MS 39762 USA
| | - Abdusattor Abdukarimov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, University Street-2, Qibray region Tashkent District, 111215 Uzbekistan
| | - Ibrokhim Y. Abdurakhmonov
- Center of Genomics and Bioinformatics, Academy of Sciences of the Republic of Uzbekistan, University Street-2, Qibray region Tashkent District, 111215 Uzbekistan
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Egamberdiev SS, Saha S, Salakhutdinov I, Jenkins JN, Deng D, Y Abdurakhmonov I. Comparative assessment of genetic diversity in cytoplasmic and nuclear genome of upland cotton. Genetica 2016; 144:289-306. [PMID: 27155886 DOI: 10.1007/s10709-016-9898-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 04/07/2016] [Indexed: 02/05/2023]
Abstract
The importance of the cytoplasmic genome for many economically important traits is well documented in several crop species, including cotton. There is no report on application of cotton chloroplast specific SSR markers as a diagnostic tool to study genetic diversity among improved Upland cotton lines. The complete plastome sequence information in GenBank provided us an opportunity to report on 17 chloroplast specific SSR markers using a cost-effective data mining strategy. Here we report the comparative analysis of genetic diversity among a set of 42 improved Upland cotton lines using SSR markers specific to chloroplast and nuclear genome, respectively. Our results revealed that low to moderate level of genetic diversity existed in both nuclear and cytoplasm genome among this set of cotton lines. However, the specific estimation suggested that genetic diversity is lower in cytoplasmic genome compared to the nuclear genome among this set of Upland cotton lines. In summary, this research is important from several perspectives. We detected a set of cytoplasm genome specific SSR primer pairs by using a cost-effective data mining strategy. We reported for the first time the genetic diversity in the cytoplasmic genome within a set of improved Upland cotton accessions. Results revealed that the genetic diversity in cytoplasmic genome is narrow, compared to the nuclear genome within this set of Upland cotton accessions. Our results suggested that most of these polymorphic chloroplast SSRs would be a valuable complementary tool in addition to the nuclear SSR in the study of evolution, gene flow and genetic diversity in Upland cotton.
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Affiliation(s)
- Sharof S Egamberdiev
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan, 111215
| | - Sukumar Saha
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, USDA-ARS, Mississippi State, MS, 39762, USA.
| | - Ilkhom Salakhutdinov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan, 111215
| | - Johnie N Jenkins
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, USDA-ARS, Mississippi State, MS, 39762, USA
| | - Dewayne Deng
- Crop Science Research Laboratory, Genetics and Sustainable Agriculture Research Unit, USDA-ARS, Mississippi State, MS, 39762, USA
| | - Ibrokhim Y Abdurakhmonov
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan, 111215
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Abdurakhmonov IY, Ayubov MS, Ubaydullaeva KA, Buriev ZT, Shermatov SE, Ruziboev HS, Shapulatov UM, Saha S, Ulloa M, Yu JZ, Percy RG, Devor EJ, Sharma GC, Sripathi VR, Kumpatla SP, van der Krol A, Kater HD, Khamidov K, Salikhov SI, Jenkins JN, Abdukarimov A, Pepper AE. RNA Interference for Functional Genomics and Improvement of Cotton (Gossypium sp.). Front Plant Sci 2016; 7:202. [PMID: 26941765 PMCID: PMC4762190 DOI: 10.3389/fpls.2016.00202] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 02/05/2016] [Indexed: 02/05/2023]
Abstract
RNA interference (RNAi), is a powerful new technology in the discovery of genetic sequence functions, and has become a valuable tool for functional genomics of cotton (Gossypium sp.). The rapid adoption of RNAi has replaced previous antisense technology. RNAi has aided in the discovery of function and biological roles of many key cotton genes involved in fiber development, fertility and somatic embryogenesis, resistance to important biotic and abiotic stresses, and oil and seed quality improvements as well as the key agronomic traits including yield and maturity. Here, we have comparatively reviewed seminal research efforts in previously used antisense approaches and currently applied breakthrough RNAi studies in cotton, analyzing developed RNAi methodologies, achievements, limitations, and future needs in functional characterizations of cotton genes. We also highlighted needed efforts in the development of RNAi-based cotton cultivars, and their safety and risk assessment, small and large-scale field trials, and commercialization.
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Affiliation(s)
- Ibrokhim Y. Abdurakhmonov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
- *Correspondence: Ibrokhim Y. Abdurakhmonov,
| | - Mirzakamol S. Ayubov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Khurshida A. Ubaydullaeva
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Zabardast T. Buriev
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Shukhrat E. Shermatov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Haydarali S. Ruziboev
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Umid M. Shapulatov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
- Laboratory of Plant Physiology, Wageningen UniversityWageningen, Netherlands
| | - Sukumar Saha
- Crop Science Research Laboratory, United States Department of Agriculture – Agricultural Research Service, StarkvilleMS, USA
| | - Mauricio Ulloa
- Plant Stress and Germplasm Development Research, United States Department of Agriculture – Agricultural Research Service, LubbockTX, USA
| | - John Z. Yu
- Crop Germplasm Research Unit, United States Department of Agriculture – Agricultural Research Service, College StationTX, USA
| | - Richard G. Percy
- Crop Germplasm Research Unit, United States Department of Agriculture – Agricultural Research Service, College StationTX, USA
| | - Eric J. Devor
- Department of Obstetrics and Gynecology, University of Iowa Carver College of Medicine, Iowa CityIA, USA
| | - Govind C. Sharma
- Department of Biological and Environmental Sciences, Alabama A&M University, NormalAL, USA
| | | | | | | | - Hake D. Kater
- Agricultural and Environmental Research, CaryNC, USA
| | - Khakimdjan Khamidov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Shavkat I. Salikhov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Johnie N. Jenkins
- Crop Science Research Laboratory, United States Department of Agriculture – Agricultural Research Service, StarkvilleMS, USA
| | - Abdusattor Abdukarimov
- Center of Genomics and Bioinformatics, Structural and Functional Genomics, Academy of Sciences the Republic of Uzbekistan, Ministry of Agriculture and Water Resources the Republic of Uzbekistan and “Uzpakhtasanoat” AssociationKibray, Uzbekistan
| | - Alan E. Pepper
- Department of Biology, Texas A&M University, Colleges StationTX, USA
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Shapulatov UM, Buriev ZT, Ulloa M, Saha S, Devor EJ, Ayubov MS, Norov TM, Shermatov SE, Abdukarimov A, Jenkins JN, Abdurakhmonov IY. Characterization of Small RNAs and Their Targets from Fusarium oxysporum Infected and Noninfected Cotton Root Tissues. Plant Mol Biol Rep 2016; 34:698-706. [DOI: 10.1007/s11105-015-0945-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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16
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Abdullaev AA, Salakhutdinov IB, Egamberdiev SS, Kuryazov Z, Glukhova LA, Adilova AT, Rizaeva SM, Ulloa M, Abdurakhmonov IY. Analyses of Fusarium wilt race 3 resistance in Upland cotton (Gossypium hirsutum L.). Genetica 2015; 143:385-92. [PMID: 25896369 DOI: 10.1007/s10709-015-9837-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 04/09/2015] [Indexed: 02/05/2023]
Abstract
Fusarium wilt [Fusarium oxysporum f.sp. vasinfectum (FOV) Atk. Sny & Hans] represents a serious threat to cotton (Gossypium spp.) production. For the last few decades, the FOV pathogen has become a significant problem in Uzbekistan causing severe wilt disease and yield losses of G. hirsutum L. cultivars. We present the first genetic analyses of FOV race 3 resistance on Uzbek Cotton Germplasm with a series of field and greenhouse artificial inoculation-evaluations and inheritance studies. The field experiments were conducted in two different sites: the experimental station in Zangiota region-Environment (Env) 1 and the Institute of Cotton Breeding (Env-2, Tashkent province). The Env-1 was known to be free of FOV while the Env-2 was known to be a heavily FOV infested soil. In both (Env-1 and Env-2) of these sites, field soil was inoculated with FOV race 3. F2 and an F3 Upland populations ("Mebane B1" × "11970") were observed with a large phenotypic variance for plant survival and FOV disease severity within populations and among control or check Upland accessions. Wilt symptoms among studied F2 individuals and F3 families significantly differed depending on test type and evaluation site. Distribution of Mendelian rations of susceptible (S) and resistant (R) phenotypes were 1S:1R field Env-1 and 3S:1R field Env-2 in the F2 population, and 1S:3R greenhouse site in the F3 population. The different segregation distribution of the Uzbek populations may be explained by differences in FOV inoculum level and environmental conditions during assays. However, genetic analysis indicated a recessive single gene action under high inoculum levels or disease pressure for FOV race 3 resistance. Uzbek germplasm may be more susceptible than expected to FOV race 3, and sources of resistance to FOV may be limited under the FOV inoculum levels present in highly-infested fields making the breeding process more complex.
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Affiliation(s)
- Alisher A Abdullaev
- Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Ministry of Agriculture & Water Resources of Uzbekistan, and 'Uzpakhtasanoat' Association, University street-2, Qibray Region, Tashkent District, 111215, Uzbekistan
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Saha S, Stelly DM, Makamov AK, Ayubov MS, Raska D, Gutiérrez OA, Manchali S, Jenkins JN, Deng D, Abdurakhmonov IY. Molecular confirmation of Gossypium hirsutum chromosome substitution lines. Euphytica 2015; 205:459-73. [DOI: 10.1007/s10681-015-1407-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Egamberdiev S, Salahutdinov I, Abdullaev A, Ulloa M, Saha S, Radjapov F, Mullaohunov B, Mansurov D, Jenkins J, Abdurakhmonov I. Detection ofFusarium oxysporumf. sp. vasinfectumrace 3 by single-base extension method and allele-specific polymerase chain reaction. Canadian Journal of Plant Pathology 2014. [DOI: 10.1080/07060661.2014.905496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Abdurakhmonov IY, Buriev ZT, Saha S, Jenkins JN, Abdukarimov A, Pepper AE. Phytochrome RNAi enhances major fibre quality and agronomic traits of the cotton Gossypium hirsutum L. Nat Commun 2014; 5:3062. [PMID: 24430163 DOI: 10.1038/ncomms4062] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 12/04/2013] [Indexed: 02/08/2023] Open
Abstract
Simultaneous improvement of fibre quality, early-flowering, early-maturity and productivity in Upland cotton (G. hirsutum) is a challenging task for conventional breeding. The influence of red/far-red light ratio on the fibre length prompted us to examine the phenotypic effects of RNA interference (RNAi) of the cotton PHYA1 gene. Here we show a suppression of up to ~70% for the PHYA1 transcript, and compensatory overexpression of up to ~20-fold in the remaining phytochromes in somatically regenerated PHYA1 RNAi cotton plants. Two independent transformants of three generations exhibited vigorous root and vegetative growth, early-flowering, significantly improved upper half mean fibre length and an improvement in other major fibre characteristics. Small decreases in lint traits were observed but seed cotton yield was increased an average 10-17% compared with controls. RNAi-associated phenotypes were heritable and transferable via sexual hybridization. These results should aid in the development of early-maturing and productive Upland cultivars with superior fibre quality.
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Affiliation(s)
- Ibrokhim Y Abdurakhmonov
- 1] Centre of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Ministry of Agriculture & Water Resources of Uzbekistan, and 'Uzpakhtasanoat' Association, University street-2, Kibray region, Tashkent 111215, Uzbekistan [2]
| | - Zabardast T Buriev
- 1] Centre of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Ministry of Agriculture & Water Resources of Uzbekistan, and 'Uzpakhtasanoat' Association, University street-2, Kibray region, Tashkent 111215, Uzbekistan [2]
| | - Sukumar Saha
- USDA-ARS, Crop Science Research Laboratory, Genetics and Precision Agriculture, P. O. Box 5367, 812 Highway 12E, Mississippi State, Mississippi 39762, USA
| | - Johnie N Jenkins
- USDA-ARS, Crop Science Research Laboratory, Genetics and Precision Agriculture, P. O. Box 5367, 812 Highway 12E, Mississippi State, Mississippi 39762, USA
| | - Abdusattor Abdukarimov
- 1] Centre of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Ministry of Agriculture & Water Resources of Uzbekistan, and 'Uzpakhtasanoat' Association, University street-2, Kibray region, Tashkent 111215, Uzbekistan [2]
| | - Alan E Pepper
- Department of Biology, Texas A&M University, College Station, Texas 77843, USA
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Ulloa M, Abdurakhmonov IY, Perez-M. C, Percy R, Stewart JM. Genetic diversity and population structure of cotton (Gossypium spp.) of the New World assessed by SSR markers. Botany 2013. [DOI: 10.1139/cjb-2012-0192] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A global analysis of cotton (Gossypium spp.) genetic diversity is the first step to understanding its geographical distribution, dissemination, genetic relatedness, and population structure. To assess the genetic diversity and population structure in Gossypium species, 111 cotton accessions representing five allotetraploids (AD1–AD5 genomes), 23 Asiatic diploids of the Old World (A1 and A2 genomes), and 82 diploids of the New World subgenus Houzingenia (D1–D11 genomes) species were assessed using simple sequence repeats (SSR) markers with wide genome coverage. The mean genetic distance (GD) between the two most important New World tetraploid cottons (Upland (Gossypium hirsutum L.) and Pima (Gossypium barbadense L.)) was 0.39. Among the three shrub type sections (Houzingenia, Integrifolia, and Caducibracteolata) and three arborescent sections (Erioxylum, Selera, and Austroamericana), the GD ranged between 0.19 and 0.41. Phylogenetic analyses clustered all species into distinct phylogenetic groups, which were consistent with genomic origin, evolutionary history, and geographic distribution or ecotypes of these accessions, suggesting the existence of clear structured strata. With all of the genomes, the highest statistical analysis of Structure test through measurements of ad hoc (ΔK) occurred at K = 2, with group Q1 with the Old World diploid A genomes and with group Q2 with all the New World diploids of the D genome. AD genome accessions shared nearly equal alleles from both Q1 and Q2 groups. With all of the diploids of the New World D genomes, the highest value of ΔK occurred at K = 5. These results are consistent with the fundamental knowledge of tetraploid AD-genome formation and the rapid radiation of the American diploid cotton linage that took place somewhere in southwestern Mexico, followed by a differentiation–speciation during angiosperm evolution. In addition, SSR markers provide an alternative solution for distinguishing phylogenetic relationships between accessions of different ecotypes and for elucidating population structure of cottons of the New World.
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Affiliation(s)
- Mauricio Ulloa
- U.S. Department of Agriculture – Agricultural Research Service, Southern Plains Area, Cropping Systems Research Laboratory, Plant Stress and Germplasm Development Research, 3810 4th Street, Lubbock, TX 79415, USA
| | - Ibrokhim Y. Abdurakhmonov
- The Center of Genomics and Bioinformatics, Academy of Sciences of Uzbekistan, Ministry of Agriculture and Water Resources,“Uzpakhtasanoat” Association, Tashkent, Republic of Uzbekistan
| | - Claudia Perez-M.
- Campo Experimental Iguala, Centro de Investigaciones Pacific sur-INIFAP, Iguala, Gro., Mexico
| | - Richard Percy
- U.S. Department of Agriculture – Agricultural Research Service, Southern Plains Area, Crop Germplasm Research. Unit, College Station, TX 79415, USA
| | - James McD. Stewart
- University of Arkansas, Department of Crop, Soil, and Environmental Sciences, Fayetteville, AR 72701, USA
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Lee JM, Shin ZU, Mavlonov GT, Abdurakhmonov IY, Yi TH. Solid-phase colorimetric method for the quantification of fucoidan. Appl Biochem Biotechnol 2012; 168:1019-24. [PMID: 22903325 DOI: 10.1007/s12010-012-9837-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Accepted: 08/06/2012] [Indexed: 02/08/2023]
Abstract
We described the simple, selective, and rapid method for determination of fucoidans using methylene blue staining of sulfated polysaccharides, immobilized into filter paper and consequent optic density (at A (663) nm) measurement of the eluted dye from filter paper. This solid-phase method allows selective determination of 1-20 μg fucoidan in presence of potentially interfering compounds (alginic acid, DNA, salts, proteins, and detergents). Further, we demonstrated the alternative way of using image processing software for fucoidan quantification without extraction of methylene blue dye from stained spots of fucoidan-dye complex.
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Affiliation(s)
- Jung Min Lee
- Graduate School of Biotechnology, Kyung Hee University, Yongin, Republic of Korea
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Buriev ZT, Saha S, Shermatov SE, Jenkins JN, Abdukarimov A, Stelly DM, Abdurakhmonov IY. Molecular evolution of the clustered MIC-3 multigene family of Gossypium species. Theor Appl Genet 2011; 123:1359-73. [PMID: 21850479 DOI: 10.1007/s00122-011-1672-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2010] [Accepted: 07/26/2011] [Indexed: 02/05/2023]
Abstract
The Gossypium MIC-3 (Meloidogyne Induced Cotton-3) gene family is of great interest for molecular evolutionary studies because of its uniqueness to Gossypium species, multi-gene content, clustered localization, and root-knot nematode resistance-associated features. Molecular evolution of the MIC-3 gene family was studied in 15 tetraploid and diploid Gossypium genotypes that collectively represent seven phylogenetically distinct genomes. Synonymous (d(S)) and non-synonymous (d(N)) nucleotide substitution rates suggest that the second of the two exons of the MIC-3 genes has been under strong positive selection pressure, while the first exon has been under strong purifying selection to preserve function. Based on nucleotide substitution rates, we conclude that MIC-3 genes are evolving by a birth-and-death process and that a 'gene amplification' mechanism has helped to retain all duplicate copies, which best fits with the "bait and switch" model of R-gene evolution. The data indicate MIC-3 gene duplication events occurred at various rates, once per 1 million years (MY) in the allotetraploids, once per ~2 MY in the A/F genome clade, and once per ~8 MY in the D-genome clade. Variations in the MIC-3 gene family seem to reflect evolutionary selection for increased functional stability, while also expanding the capacity to develop novel "switch" pockets for responding to diverse pests and pathogens. Such evolutionary roles are congruent with the hypothesis that members of this unique resistance gene family provide fitness advantages in Gossypium.
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Affiliation(s)
- Zabardast T Buriev
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Yuqori Yuz, Qibray Region, Tashkent 111226, Uzbekistan
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Abdurakhmonov IY, Abdukarimov A. Application of association mapping to understanding the genetic diversity of plant germplasm resources. Int J Plant Genomics 2008; 2008:574927. [PMID: 18551188 DOI: 10.1155/2008/574927] [Citation(s) in RCA: 106] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2007] [Accepted: 04/18/2008] [Indexed: 02/05/2023]
Abstract
Compared to the conventional linkage mapping, linkage disequilibrium (LD)-mapping, using the nonrandom associations of loci in haplotypes, is a powerful high-resolution mapping tool for complex quantitative traits. The recent advances in the development of unbiased association mapping approaches for plant population with their successful applications in dissecting a number of simple to complex traits in many crop species demonstrate a flourish of the approach as a “powerful gene tagging” tool for crops in the plant genomics era of 21st century. The goal of this review is to provide nonexpert readers of crop breeding community with (1) the basic concept, merits, and simple description of existing methodologies for an association mapping with the recent improvements for plant populations, and (2) the details of some of pioneer and recent studies on association mapping in various crop species to demonstrate the feasibility, success, problems, and future perspectives of the efforts in plants. This should be helpful for interested readers of international plant research community as a guideline for the basic understanding, choosing the appropriate methods, and its application.
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Campbell BT, Saha S, Percy R, Frelichowski J, Jenkins JN, Park W, Mayee CD, Gotmare V, Dessauw D, Giband M, Du X, Jia Y, Constable G, Dillon S, Abdurakhmonov IY, Abdukarimov A, Rizaeva SM, Abdullaev A, Barroso PAV, Pádua JG, Hoffmann LV, Podolnaya L. Status of the Global Cotton Germplasm Resources. Crop Sci 2010. [DOI: 10.2135/cropsci2009.09.0551] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- B. T. Campbell
- USDA-ARS Coastal Plains Soil, Water, and Plant Research Center; 2611 W. Lucas St. Florence SC 29501
| | - S. Saha
- USDA-ARS Crop Science Research Lab.; 810 Hwy. 12 E. Mississippi State MS 39762
| | - R. Percy
- USDA-ARS; Crop Germplasm Research Unit; 2881 F&B Rd. College Station TX 77845
| | - J. Frelichowski
- USDA-ARS; Crop Germplasm Research Unit; 2881 F&B Rd. College Station TX 77845
| | - J. N. Jenkins
- USDA-ARS Crop Science Research Lab.; 810 Hwy. 12 E. Mississippi State MS 39762
| | - W. Park
- USDA-ARS Coastal Plains Soil, Water, and Plant Research Center; 2611 W. Lucas St. Florence SC 29501
| | - C. D. Mayee
- Central Institute for Cotton Research; Post Bag No. 2, Shankar Nagar PO Nagpur 440010 Maharashtra India
| | - V. Gotmare
- Central Institute for Cotton Research; Post Bag No. 2, Shankar Nagar PO Nagpur 440010 Maharashtra India
| | - D. Dessauw
- CIRAD; Ave. Agropolis 34398 Montpellier Cedex 5 France
| | - M. Giband
- CIRAD; Ave. Agropolis 34398 Montpellier Cedex 5 France
| | - X. Du
- Cotton Research Institute of CAAS; Anyang Henan 455000 China
| | - Y. Jia
- Cotton Research Institute of CAAS; Anyang Henan 455000 China
| | - G. Constable
- CSIRO Plant Industry; Locked Bag 59 Narrabri NSW 2390 Australia
| | - S. Dillon
- Australian Tropical Grains Germplasm Centre; P.O. Box 201 Biloela QM 4715 Australia
| | - I. Y. Abdurakhmonov
- Center of Genomic Technologies; Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan; Yuqori Yuz, Qibray Region 111226 Tashkent Uzbekistan
| | - A. Abdukarimov
- Center of Genomic Technologies; Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan; Yuqori Yuz, Qibray Region 111226 Tashkent Uzbekistan
| | - S. M. Rizaeva
- Center of Genomic Technologies; Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan; Yuqori Yuz, Qibray Region 111226 Tashkent Uzbekistan
| | - A. Abdullaev
- Center of Genomic Technologies; Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan; Yuqori Yuz, Qibray Region 111226 Tashkent Uzbekistan
| | - P. A. V. Barroso
- Embrapa Cotton; Brazilian Agriculture Research Corporation; Osvaldo Cruz, 1143, Centenário Campina Grande PB Brazil
| | - J. G. Pádua
- Embrapa Cenargen; Caixa Postal 02372 Brasilia Brazil 70770-917
| | - L. V. Hoffmann
- Embrapa Cotton; Brazilian Agriculture Research Corporation; Osvaldo Cruz, 1143, Centenário Campina Grande PB Brazil
| | - L. Podolnaya
- VIR; 42-44 B. Morskaya St. 190000 St. Petersburg Russia
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Abdurakhmonov IY, Buriev ZT, Logan-Young CJ, Abdukarimov A, Pepper AE. Duplication, divergence and persistence in the Phytochrome photoreceptor gene family of cottons (Gossypium spp.). BMC Plant Biol 2010; 10:119. [PMID: 20565911 PMCID: PMC3095280 DOI: 10.1186/1471-2229-10-119] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2009] [Accepted: 06/20/2010] [Indexed: 02/08/2023]
Abstract
BACKGROUND Phytochromes are a family of red/far-red photoreceptors that regulate a number of important developmental traits in cotton (Gossypium spp.), including plant architecture, fiber development, and photoperiodic flowering. Little is known about the composition and evolution of the phytochrome gene family in diploid (G. herbaceum, G. raimondii) or allotetraploid (G. hirsutum, G. barbadense) cotton species. The objective of this study was to obtain a preliminary inventory and molecular-evolutionary characterization of the phytochrome gene family in cotton. RESULTS We used comparative sequence resources to design low-degeneracy PCR primers that amplify genomic sequence tags (GSTs) for members of the PHYA, PHYB/D, PHYC and PHYE gene sub-families from A- and D-genome diploid and AD-genome allotetraploid Gossypium species. We identified two paralogous PHYA genes (designated PHYA1 and PHYA2) in diploid cottons, the result of a Malvaceae-specific PHYA gene duplication that occurred approximately 14 million years ago (MYA), before the divergence of the A- and D-genome ancestors. We identified a single gene copy of PHYB, PHYC, and PHYE in diploid cottons. The allotetraploid genomes have largely retained the complete gene complements inherited from both of the diploid genome ancestors, with at least four PHYA genes and two genes encoding PHYB, PHYC and PHYE in the AD-genomes. We did not identify a PHYD gene in any cotton genomes examined. CONCLUSIONS Detailed sequence analysis suggests that phytochrome genes retained after duplication by segmental duplication and allopolyploidy appear to be evolving independently under a birth-and-death-process with strong purifying selection. Our study provides a preliminary phytochrome gene inventory that is necessary and sufficient for further characterization of the biological functions of each of the cotton phytochrome genes, and for the development of 'candidate gene' markers that are potentially useful for cotton improvement via modern marker-assisted selection strategies.
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Affiliation(s)
- Ibrokhim Y Abdurakhmonov
- Center of Genomic Technologies, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent, 111226 Uzbekistan
| | - Zabardast T Buriev
- Center of Genomic Technologies, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent, 111226 Uzbekistan
| | | | - Abdusattor Abdukarimov
- Center of Genomic Technologies, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent, 111226 Uzbekistan
| | - Alan E Pepper
- Department of Biology, Texas A&M University, College Station, Texas 77843, USA
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Buriev ZT, Saha S, Abdurakhmonov IY, Jenkins JN, Abdukarimov A, Scheffler BE, Stelly DM. Clustering, haplotype diversity and locations of MIC-3: a unique root-specific defense-related gene family in Upland cotton (Gossypium hirsutum L.). Theor Appl Genet 2010; 120:587-606. [PMID: 19862497 DOI: 10.1007/s00122-009-1178-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2009] [Accepted: 09/30/2009] [Indexed: 02/05/2023]
Abstract
MIC-3 is a recently identified gene family shown to exhibit increased root-specific expression following nematode infection of cotton plants that are resistant to root-knot nematode. Here, we cloned and sequenced MIC-3 genes from selected diploid and tetraploid cotton species to reveal sequence differences at the molecular level and identify chromosomal locations of MIC-3 genes in Gossypium species. Detailed sequence analysis and phylogenetic clustering of MIC-3 genes indicated the presence of multiple MIC-3 gene members in Gossypium species. Haplotypes of a MIC-3 gene family member were discovered by comparative analysis among consensus sequences across genotypes within an individual clade in the phylogram to overcome the problem of duplicated loci in the tetraploid cotton. Deficiency tests of the SNPs delimited six A(t)-genome members of the MIC-3 family clustered to chromosome arm 4sh, and one D(t)-genome member to chromosome 19. Clustering was confirmed by long-PCR amplification of the intergenic regions using A(t)-genome-specific MIC-3 primer pairs. The clustered distribution may have been favored by selection for responsiveness to evolving disease and/or pest pressures, because large variants of the MIC-3 gene family may have been recovered from small physical areas by recombination. This could give a buffer against selection pressure from a broad range of pest and pathogens in the future. To our knowledge, these are the first results on the evolution of clustering and genome-specific haplotype members of a unique cotton gene family associated with resistant response against a major pathogen.
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Affiliation(s)
- Zabardast T Buriev
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Yuqori Yuz, Qibray Region, 111226 Tashkent, Uzbekistan.
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Abdurakhmonov IY, Saha S, Jenkins JN, Buriev ZT, Shermatov SE, Scheffler BE, Pepper AE, Yu JZ, Kohel RJ, Abdukarimov A. Linkage disequilibrium based association mapping of fiber quality traits in G. hirsutum L. variety germplasm. Genetica 2009; 136:401-17. [PMID: 19067183 DOI: 10.1007/s10709-008-9337-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2008] [Accepted: 11/17/2008] [Indexed: 02/08/2023]
Abstract
Cotton is the world's leading cash crop, but it lags behind other major crops for marker-assisted breeding due to limited polymorphisms and a genetic bottleneck through historic domestication. This underlies a need for characterization, tagging, and utilization of existing natural polymorphisms in cotton germplasm collections. Here we report genetic diversity, population characteristics, the extent of linkage disequilibrium (LD), and association mapping of fiber quality traits using 202 microsatellite marker primer pairs in 335 G. hirsutum germplasm grown in two diverse environments, Uzbekistan and Mexico. At the significance threshold (r (2) >or= 0.1), a genome-wide average of LD extended up to genetic distance of 25 cM in assayed cotton variety accessions. Genome wide LD at r (2) >or= 0.2 was reduced to approximately 5-6 cM, providing evidence of the potential for association mapping of agronomically important traits in cotton. Results suggest linkage, selection, inbreeding, population stratification, and genetic drift as the potential LD-generating factors in cotton. In two environments, an average of ~20 SSR markers was associated with each main fiber quality traits using a unified mixed liner model (MLM) incorporating population structure and kinship. These MLM-derived significant associations were confirmed in general linear model and structured association test, accounting for population structure and permutation-based multiple testing. Several common markers, showing the significant associations in both Uzbekistan and Mexican environments, were determined. Between 7 and 43% of the MLM-derived significant associations were supported by a minimum Bayes factor at 'moderate to strong' and 'strong to very strong' evidence levels, suggesting their usefulness for marker-assisted breeding programs and overall effectiveness of association mapping using cotton germplasm resources.
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Affiliation(s)
- Ibrokhim Y Abdurakhmonov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan.
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Devor EJ, Huang L, Abdukarimov A, Abdurakhmonov IY. Methodologies for in vitro cloning of small RNAs and application for plant genome(s). Int J Plant Genomics 2009; 2009:915061. [PMID: 19551152 PMCID: PMC2699438 DOI: 10.1155/2009/915061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Accepted: 03/30/2009] [Indexed: 02/05/2023]
Abstract
The "RNA revolution" that started at the end of the 20th century with the discovery of post-transcriptional gene silencing and its mechanism via RNA interference (RNAi) placed tiny 21-24 nucleotide long noncoding RNAs (ncRNAs) in the forefront of biology as one of the most important regulatory elements in a host of physiologic processes. The discovery of new classes of ncRNAs including endogenous small interfering RNAs, microRNAs, and PIWI-interacting RNAs is a hallmark in the understanding of RNA-dependent gene regulation. New generation high-throughput sequencing technologies further accelerated the studies of this "tiny world" and provided their global characterization and validation in many biological systems with sequenced genomes. Nevertheless, for the many "yet-unsequenced" plant genomes, the discovery of small RNA world requires in vitro cloning from purified cellular RNAs. Thus, reproducible methods for in vitro small RNA cloning are of paramount importance and will remain so into the foreseeable future. In this paper, we present a description of existing small RNA cloning methods as well as next-generation sequencing methods that have accelerated this research along with a description of the application of one in vitro cloning method in an initial small RNA survey in the "still unsequenced" allotetraploid cotton genome.
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Affiliation(s)
- Eric J. Devor
- 1Department of Obstetrics and Gynecology, University of Iowa Carver College of Medicine, 3234 MERF, Iowa City, IA 52242, USA
| | - Lingyan Huang
- 2Molecular Genetics, Integrated DNA Technologies, 1710 Commercial Park, Coralville, IA 52241, USA
| | - Abdusattor Abdukarimov
- 3Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Yuqori Yuz, Qibray region Tashkent district, Tashkent 111226, Uzbekistan
| | - Ibrokhim Y. Abdurakhmonov
- 3Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Yuqori Yuz, Qibray region Tashkent district, Tashkent 111226, Uzbekistan
- *Ibrokhim Y. Abdurakhmonov:
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Abdurakhmonov IY, Kohel RJ, Yu JZ, Pepper AE, Abdullaev AA, Kushanov FN, Salakhutdinov IB, Buriev ZT, Saha S, Scheffler BE, Jenkins JN, Abdukarimov A. Molecular diversity and association mapping of fiber quality traits in exotic G. hirsutum L. germplasm. Genomics 2008; 92:478-87. [PMID: 18801424 DOI: 10.1016/j.ygeno.2008.07.013] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2008] [Revised: 06/23/2008] [Accepted: 07/29/2008] [Indexed: 02/05/2023]
Abstract
The narrow genetic base of cultivated cotton germplasm is hindering the cotton productivity worldwide. Although potential genetic diversity exists in Gossypium genus, it is largely 'underutilized' due to photoperiodism and the lack of innovative tools to overcome such challenges. The application of linkage disequilibrium (LD)-based association mapping is an alternative powerful molecular tool to dissect and exploit the natural genetic diversity conserved within cotton germplasm collections, greatly accelerating still 'lagging' cotton marker-assisted selection (MAS) programs. However, the extent of genome-wide linkage disequilibrium (LD) has not been determined in cotton. We report the extent of genome-wide LD and association mapping of fiber quality traits by using a 95 core set of microsatellite markers in a total of 285 exotic Gossypium hirsutum accessions, comprising of 208 landrace stocks and 77 photoperiodic variety accessions. We demonstrated the existence of useful genetic diversity within exotic cotton germplasm. In this germplasm set, 11-12% of SSR loci pairs revealed a significant LD. At the significance threshold (r(2)>/=0.1), a genome-wide average of LD declines within the genetic distance at <10 cM in the landrace stocks germplasm and >30 cM in variety germplasm. Genome wide LD at r(2)>/=0.2 was reduced on average to approximately 1-2 cM in the landrace stock germplasm and 6-8 cM in variety germplasm, providing evidence of the potential for association mapping of agronomically important traits in cotton. We observed significant population structure and relatedness in assayed germplasm. Consequently, the application of the mixed liner model (MLM), considering both kinship (K) and population structure (Q) detected between 6% and 13% of SSR markers associated with the main fiber quality traits in cotton. Our results highlight for the first time the feasibility and potential of association mapping, with consideration of the population structure and stratification existing in cotton germplasm resources. The number of SSR markers associated with fiber quality traits in diverse cotton germplasm, which broadly covered many historical meiotic events, should be useful to effectively exploit potentially new genetic variation by using MAS programs.
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Affiliation(s)
- I Y Abdurakhmonov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 702151, Uzbekistan
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Abdurakhmonov IY, Devor EJ, Buriev ZT, Huang L, Makamov A, Shermatov SE, Bozorov T, Kushanov FN, Mavlonov GT, Abdukarimov A. Small RNA regulation of ovule development in the cotton plant, G. hirsutum L. BMC Plant Biol 2008; 8:93. [PMID: 18793449 PMCID: PMC2564936 DOI: 10.1186/1471-2229-8-93] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2008] [Accepted: 09/16/2008] [Indexed: 02/08/2023]
Abstract
BACKGROUND The involvement of small RNAs in cotton fiber development is under explored. The objective of this work was to directly clone, annotate, and analyze small RNAs of developing ovules to reveal the candidate small interfering RNA/microRNAs involved in cotton ovule and fiber development. RESULTS We cloned small RNA sequences from 0-10 days post anthesis (DPA) developing cotton ovules. A total of 6691 individual colonies were sequenced from 11 ovule small RNA libraries that yielded 2482 candidate small RNAs with a total of 583 unique sequence signatures. The majority (362, 62.1%) of these 583 sequences were 24 nt long with an additional 145 sequences (24.9%) in the 21 nt to 23 nt size range. Among all small RNA sequence signatures only three mirBase-confirmed plant microRNAs (miR172, miR390 and ath-miR853-like) were identified and only two miRNA-containing clones were recovered beyond 4 DPA. Further, among all of the small RNA sequences obtained from the small RNA pools in developing ovules, only 15 groups of sequences were observed in more than one DPA period. Of these, only five were present in more than two DPA periods. Two of these were miR-172 and miR-390 and a third was identified as 5.8S rRNA sequence. Thus, the vast majority of sequence signatures were expressed in only one DPA period and this included nearly all of the 24 nt sequences. Finally, we observed a distinct DPA-specific expression pattern among our clones based upon sequence abundance. Sequences occurring only once were far more likely to be seen in the 0 to 2 DPA periods while those occurring five or more times were the majority in later periods. CONCLUSION This initial survey of small RNA sequences present in developing ovules in cotton indicates that fiber development is under complex small RNA regulation. Taken together, the results of this initial small RNA screen of developing cotton ovules is most consistent with a model, proposed by Baulcombe, that there are networks of small RNAs that are induced in a cascade fashion by the action of miRNAs and that the nature of these cascades can change from tissue to tissue and developmental stage to developmental stage.
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Affiliation(s)
- Ibrokhim Y Abdurakhmonov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Eric J Devor
- Molecular Genetics, Integrated DNA Technologies, 1710 Commercial Park, Coralville, IA, 52241, USA
| | - Zabardast T Buriev
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Lingyan Huang
- Molecular Genetics, Integrated DNA Technologies, 1710 Commercial Park, Coralville, IA, 52241, USA
| | - Abdusalom Makamov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Shukhrat E Shermatov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Tohir Bozorov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Fakhriddin N Kushanov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Gafurjon T Mavlonov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
| | - Abdusattor Abdukarimov
- Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan. Yuqori Yuz, Qibray region Tashkent district, 111226 Uzbekistan
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Mavlonov GT, Ubaidullaeva KA, Rakhmanov MI, Abdurakhmonov IY, Abdukarimov A. Chitin-binding antifungal protein from Ficus carica latex. Chem Nat Compd 2008; 44:216-9. [DOI: 10.1007/s10600-008-9018-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Chen ZJ, Scheffler BE, Dennis E, Triplett BA, Zhang T, Guo W, Chen X, Stelly DM, Rabinowicz PD, Town CD, Arioli T, Brubaker C, Cantrell RG, Lacape JM, Ulloa M, Chee P, Gingle AR, Haigler CH, Percy R, Saha S, Wilkins T, Wright RJ, Van Deynze A, Zhu Y, Yu S, Abdurakhmonov I, Katageri I, Kumar PA, Mehboob-Ur-Rahman, Zafar Y, Yu JZ, Kohel RJ, Wendel JF, Paterson AH. Toward sequencing cotton (Gossypium) genomes. Plant Physiol 2007; 145:1303-10. [PMID: 18056866 PMCID: PMC2151711 DOI: 10.1104/pp.107.107672] [Citation(s) in RCA: 177] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Abdurakhmonov IY, Kushanov FN, Djaniqulov F, Buriev ZT, Pepper AE, Fayzieva N, Mavlonov GT, Saha S, Jenkins JN, Abdukarimov A. The role of induced mutation in conversion of photoperiod dependence in cotton. J Hered 2007; 98:258-66. [PMID: 17406024 DOI: 10.1093/jhered/esm007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Wild cotton germplasm resources are largely underutilized because of photoperiod-dependent flowering of "exotic" cottons. The objectives of this work were to explore the genome-wide effect of induced mutation in photoperiod-converted induced cotton mutants, estimating the genetic change between mutant and wild-type cottons using simple sequence repeats (SSRs) as well as understand the pattern of SSR mutation in induced mutagenesis. Three groups of photoperiod-converted radiomutants ((32)P) including their wild-type parental lines, A- and D-genome diploids, and typically grown cotton cultivars were screened with 250 cotton SSR primer pairs. Forty SSRs revealed the same SSR mutation profile in, at least, 2 independent mutant lines that were different from the original wild types. Induced mutagenesis both increased and decreased the allele sizes of SSRs in mutants with the higher mutation rate in SSRs containing dinucleotide motifs. Genetic distance obtained based on 141 informative SSR alleles ranged from 0.09 to 0.60 in all studied cotton genotypes. Genetic distance within all photoperiod-converted induced mutants was in a 0.09-0.25 range. The genetic distance among photoperiod-converted mutants and their originals ranged from 0.28 to 0.50, revealing significant modification of mutants from their original wild types. Typical Gossypium hirsutum cultivar, Namangan-77, revealed mutational pattern similar to induced radiomutants in 40 mutated SSR loci, implying possible pressure to these SSR loci not only in radiomutagenesis but also during common breeding process. Outcomes of the research should be useful in understanding the photoperiod-related mutations, and markers might help in mapping photoperiodic flowering genes in cotton.
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Affiliation(s)
- Ibrokhim Y Abdurakhmonov
- Laboratory of Genetic Engineering and Biotechnology, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Yuqori Yuz, Qibray Region Tashkent District, 702151 Uzbekistan.
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Abdurakhmonov IY, Buriev ZT, Saha S, Pepper AE, Musaev JA, Almatov A, Shermatov SE, Kushanov FN, Mavlonov GT, Reddy UK, Yu JZ, Jenkins JN, Kohel RJ, Abdukarimov A. Microsatellite markers associated with lint percentage trait in cotton, Gossypium hirsutum. Euphytica 2007; 156:141-56. [DOI: 10.1007/s10681-007-9361-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Abdurakhmonov IY, Abdullaev AA, Saha S, Buriev ZT, Arslanov D, Kuryazov Z, Mavlonov GT, Rizaeva SM, Reddy UK, Jenkins JN, Abdullaev A, Abdukarimov A. Simple sequence repeat marker associated with a natural leaf defoliation trait in tetraploid cotton. J Hered 2005; 96:644-53. [PMID: 16159909 DOI: 10.1093/jhered/esi097] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Cotton (Gossypium hirsutum L.) leaf defoliation has a significant ecological and economical impact on cotton production. Thus the utilization of a natural leaf defoliation trait, which exists in wild diploid cotton species, in the development of tetraploid cultivated cotton will not only be cost effective, but will also facilitate production of very high-grade fiber. The primary goal of our research was to tag loci associated with natural leaf defoliation using microsatellite markers in Upland cotton. The F2 populations developed from reciprocal crosses between the two parental cotton lines--AN-Boyovut-2 (2n = 52), a late leaf defoliating type, and Listopad Beliy (2n = 52), a naturally early leaf defoliating type--demonstrated that the naturally early leaf defoliation trait has heritability values of 0.74 and 0.84 in the reciprocal F2 population. The observed phenotypic segregation difference in reciprocal crosses suggested a minor cytoplasmic effect in the phenotypic expression of the naturally early leaf defoliation trait. Results from the Kruskal-Wallis (KW) nonparametric test revealed that JESPR-13 (KW = 6.17), JESPR-153 (KW = 9.97), and JESPR-178 (KW = 13.45) Simple sequence repeat (SSR) markers are significantly associated with natural leaf defoliation in the mapping population having stable estimates at empirically obtained critical thresholds (P < .05-.0001). JESPR-178 revealed the highest estimates (P < .0001) for association with the natural leaf defoliation trait, exceeding maximum empirical threshold values. JESPR-178 was assigned to the short arm of chromosome 18, suggesting indirectly that genes associated with natural leaf defoliation might be located on this chromosome. This microsatellite marker may have the potential for use to introgress the naturally early leaf defoliation quantitative trait loci (QTL) from the donor line Listopad Beliy to commercial varieties of cotton through marker-assisted selection programs.
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Affiliation(s)
- I Y Abdurakhmonov
- Laboratory of Genetic Engineering and Biotechnology, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Uzbekistan, Yuqori Yuz, Qibray Region, Tashkent District, 702151 Uzbekistan.
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