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Poulet A, Zhao M, Peng Y, Tham F, Jaudal M, Zhang L, van Wolfswinkel JC, Putterill J. Gene-edited Mtsoc1 triple mutant Medicago plants do not flower. FRONTIERS IN PLANT SCIENCE 2024; 15:1357924. [PMID: 38469328 PMCID: PMC10926907 DOI: 10.3389/fpls.2024.1357924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/02/2024] [Indexed: 03/13/2024]
Abstract
Optimized flowering time is an important trait that ensures successful plant adaptation and crop productivity. SOC1-like genes encode MADS transcription factors, which are known to play important roles in flowering control in many plants. This includes the best-characterized eudicot model Arabidopsis thaliana (Arabidopsis), where SOC1 promotes flowering and functions as a floral integrator gene integrating signals from different flowering-time regulatory pathways. Medicago truncatula (Medicago) is a temperate reference legume with strong genomic and genetic resources used to study flowering pathways in legumes. Interestingly, despite responding to similar floral-inductive cues of extended cold (vernalization) followed by warm long days (VLD), such as in winter annual Arabidopsis, Medicago lacks FLC and CO which are key regulators of flowering in Arabidopsis. Unlike Arabidopsis with one SOC1 gene, multiple gene duplication events have given rise to three MtSOC1 paralogs within the Medicago genus in legumes: one Fabaceae group A SOC1 gene, MtSOC1a, and two tandemly repeated Fabaceae group B SOC1 genes, MtSOC1b and MtSOC1c. Previously, we showed that MtSOC1a has unique functions in floral promotion in Medicago. The Mtsoc1a Tnt1 retroelement insertion single mutant showed moderately delayed flowering in long- and short-day photoperiods, with and without prior vernalization, compared to the wild-type. In contrast, Mtsoc1b Tnt1 single mutants did not have altered flowering time or flower development, indicating that it was redundant in an otherwise wild-type background. Here, we describe the generation of Mtsoc1a Mtsoc1b Mtsoc1c triple mutant lines using CRISPR-Cas9 gene editing. We studied two independent triple mutant lines that segregated plants that did not flower and were bushy under floral inductive VLD. Genotyping indicated that these non-flowering plants were homozygous for the predicted strong mutant alleles of the three MtSOC1 genes. Gene expression analyses using RNA-seq and RT-qPCR indicated that these plants remained vegetative. Overall, the non-flowering triple mutants were dramatically different from the single Mtsoc1a mutant and the Arabidopsis soc1 mutant; implicating multiple MtSOC1 genes in critical overlapping roles in the transition to flowering in Medicago.
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Affiliation(s)
- Axel Poulet
- Department of Molecular, Cellular and Developmental Biology, Faculty of Arts and Sciences, Yale University, New Haven, CT, United States
| | - Min Zhao
- Flowering Lab, School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Yongyan Peng
- Flowering Lab, School of Biological Sciences, University of Auckland, Auckland, New Zealand
- Mt Albert Research Centre, The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
| | - FangFei Tham
- Flowering Lab, School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Mauren Jaudal
- Flowering Lab, School of Biological Sciences, University of Auckland, Auckland, New Zealand
- Mt Albert Research Centre, The New Zealand Institute for Plant and Food Research Limited, Auckland, New Zealand
| | - Lulu Zhang
- Flowering Lab, School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Josien C. van Wolfswinkel
- Department of Molecular, Cellular and Developmental Biology, Faculty of Arts and Sciences, Yale University, New Haven, CT, United States
| | - Joanna Putterill
- Flowering Lab, School of Biological Sciences, University of Auckland, Auckland, New Zealand
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Rehman S, Bahadur S, Xia W. An overview of floral regulatory genes in annual and perennial plants. Gene 2023; 885:147699. [PMID: 37567454 DOI: 10.1016/j.gene.2023.147699] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/31/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
The floral initiation in angiosperms is a complex process influenced by endogenous and exogenous signals. With this approach, we aim to provide a comprehensive review to integrate this complex floral regulatory process and summarize the regulatory genes and their functions in annuals and perennials. Seven primary paths leading to flowering have been discovered in Arabidopsis under several growth condition that include; photoperiod, ambient temperature, vernalization, gibberellins, autonomous, aging and carbohydrates. These pathways involve a series of interlinked signaling pathways that respond to both internal and external signals, such as light, temperature, hormones, and developmental cues, to coordinate the expression of genes that are involved in flower development. Among them, the photoperiodic pathway was the most important and conserved as some of the fundamental loci and mechanisms are shared even by closely related plant species. The activation of floral regulatory genes such as FLC, FT, LFY, and SOC1 that determine floral meristem identity and the transition to the flowering stage result from the merging of these pathways. Recent studies confirmed that alternative splicing, antisense RNA and epigenetic modification play crucial roles by regulating the expression of genes related to blooming. In this review, we documented recent progress in the floral transition time in annuals and perennials, with emphasis on the specific regulatory mechanisms along with the application of various molecular approaches including overexpression studies, RNA interference and Virus-induced flowering. Furthermore, the similarities and differences between annual and perennial flowering will aid significant contributions to the field by elucidating the mechanisms of perennial plant development and floral initiation regulation.
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Affiliation(s)
- Shazia Rehman
- Sanya Nanfan Research Institution, Hainan University, Haikou 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Saraj Bahadur
- College of Forestry, Hainan University, Haikou 570228 China
| | - Wei Xia
- Sanya Nanfan Research Institution, Hainan University, Haikou 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China.
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González AM, Lebrón R, Yuste-Lisbona FJ, Gómez-Martín C, Ortiz-Atienza A, Hackenberg M, Oliver JL, Lozano R, Santalla M. Decoding Gene Expression Signatures Underlying Vegetative to Inflorescence Meristem Transition in the Common Bean. Int J Mol Sci 2022; 23:ijms232314783. [PMID: 36499112 PMCID: PMC9739310 DOI: 10.3390/ijms232314783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/18/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
The tropical common bean (Phaseolus vulgaris L.) is an obligatory short-day plant that requires relaxation of the photoperiod to induce flowering. Similar to other crops, photoperiod-induced floral initiation depends on the differentiation and maintenance of meristems. In this study, the global changes in transcript expression profiles were analyzed in two meristematic tissues corresponding to the vegetative and inflorescence meristems of two genotypes with different sensitivities to photoperiods. A total of 3396 differentially expressed genes (DEGs) were identified, and 1271 and 1533 were found to be up-regulated and down-regulated, respectively, whereas 592 genes showed discordant expression patterns between both genotypes. Arabidopsis homologues of DEGs were identified, and most of them were not previously involved in Arabidopsis floral transition, suggesting an evolutionary divergence of the transcriptional regulatory networks of the flowering process of both species. However, some genes belonging to the photoperiod and flower development pathways with evolutionarily conserved transcriptional profiles have been found. In addition, the flower meristem identity genes APETALA1 and LEAFY, as well as CONSTANS-LIKE 5, were identified as markers to distinguish between the vegetative and reproductive stages. Our data also indicated that the down-regulation of the photoperiodic genes seems to be directly associated with promoting floral transition under inductive short-day lengths. These findings provide valuable insight into the molecular factors that underlie meristematic development and contribute to understanding the photoperiod adaptation in the common bean.
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Affiliation(s)
- Ana M. González
- Genética del Desarrollo de Plantas, Misión Biológica de Galicia-CSIC, P.O. Box 28, 36080 Pontevedra, Spain
| | - Ricardo Lebrón
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, 04120 Almería, Spain
| | - Fernando J. Yuste-Lisbona
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, 04120 Almería, Spain
| | - Cristina Gómez-Martín
- Departamento de Genética, Facultad de Ciencias & Laboratorio de Bioinformática, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain
| | - Ana Ortiz-Atienza
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, 04120 Almería, Spain
| | - Michael Hackenberg
- Departamento de Genética, Facultad de Ciencias & Laboratorio de Bioinformática, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain
| | - José L. Oliver
- Departamento de Genética, Facultad de Ciencias & Laboratorio de Bioinformática, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain
| | - Rafael Lozano
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, 04120 Almería, Spain
| | - Marta Santalla
- Genética del Desarrollo de Plantas, Misión Biológica de Galicia-CSIC, P.O. Box 28, 36080 Pontevedra, Spain
- Correspondence: ; Tel.: +34-986-596134; Fax: +34-986-851362
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Jaudal M, Mayo‐Smith M, Poulet A, Whibley A, Peng Y, Zhang L, Thomson G, Trimborn L, Jacob Y, van Wolfswinkel JC, Goldstone DC, Wen J, Mysore KS, Putterill J. MtING2 encodes an ING domain PHD finger protein which affects Medicago growth, flowering, global patterns of H3K4me3, and gene expression. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 112:1029-1050. [PMID: 36178149 PMCID: PMC9828230 DOI: 10.1111/tpj.15994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 09/04/2022] [Accepted: 09/24/2022] [Indexed: 06/16/2023]
Abstract
Flowering of the reference legume Medicago truncatula is promoted by winter cold (vernalization) followed by long-day photoperiods (VLD) similar to winter annual Arabidopsis. However, Medicago lacks FLC and CO, key regulators of Arabidopsis VLD flowering. Most plants have two INHIBITOR OF GROWTH (ING) genes (ING1 and ING2), encoding proteins with an ING domain with two anti-parallel alpha-helices and a plant homeodomain (PHD) finger, but their genetic role has not been previously described. In Medicago, Mting1 gene-edited mutants developed and flowered normally, but an Mting2-1 Tnt1 insertion mutant and gene-edited Mting2 mutants had developmental abnormalities including delayed flowering particularly in VLD, compact architecture, abnormal leaves with extra leaflets but no trichomes, and smaller seeds and barrels. Mting2 mutants had reduced expression of activators of flowering, including the FT-like gene MtFTa1, and increased expression of the candidate repressor MtTFL1c, consistent with the delayed flowering of the mutant. MtING2 overexpression complemented Mting2-1, but did not accelerate flowering in wild type. The MtING2 PHD finger bound H3K4me2/3 peptides weakly in vitro, but analysis of gene-edited mutants indicated that it was dispensable to MtING2 function in wild-type plants. RNA sequencing experiments indicated that >7000 genes are mis-expressed in the Mting2-1 mutant, consistent with its strong mutant phenotypes. Interestingly, ChIP-seq analysis identified >5000 novel H3K4me3 locations in the genome of Mting2-1 mutants compared to wild type R108. Overall, our mutant study has uncovered an important physiological role of a plant ING2 gene in development, flowering, and gene expression, which likely involves an epigenetic mechanism.
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Affiliation(s)
- Mauren Jaudal
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
| | - Matthew Mayo‐Smith
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
| | - Axel Poulet
- Yale UniversityDepartment of MolecularCellular and Developmental BiologyFaculty of Arts and Sciences260 Whitney AvenueNew HavenCT06511USA
| | - Annabel Whibley
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
| | - Yongyan Peng
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
| | - Lulu Zhang
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
| | - Geoffrey Thomson
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
- Yale UniversityDepartment of MolecularCellular and Developmental BiologyFaculty of Arts and Sciences260 Whitney AvenueNew HavenCT06511USA
| | - Laura Trimborn
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
- Institute for Plant Sciences, BiocenterUniversity of CologneZülpicher Str. 47b50674CologneGermany
| | - Yannick Jacob
- Yale UniversityDepartment of MolecularCellular and Developmental BiologyFaculty of Arts and Sciences260 Whitney AvenueNew HavenCT06511USA
| | - Josien C. van Wolfswinkel
- Yale UniversityDepartment of MolecularCellular and Developmental BiologyFaculty of Arts and Sciences260 Whitney AvenueNew HavenCT06511USA
| | - David C. Goldstone
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
| | - Jiangqi Wen
- Institute for Agricultural BiosciencesOklahoma State University3210 Sam Noble ParkwayArdmoreOK73401USA
| | - Kirankumar S. Mysore
- Institute for Agricultural BiosciencesOklahoma State University3210 Sam Noble ParkwayArdmoreOK73401USA
| | - Joanna Putterill
- School of Biological SciencesUniversity of AucklandPrivate Bag 92019Auckland1142New Zealand
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5
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Li P, Zhang Q, Shi B, Liu L, Zhang X, Wang J, Yi H. Integration of genome and transcriptome reveal molecular regulation mechanism of early flowering trait in Prunus genus ( Prunus mume and Prunus persica). FRONTIERS IN PLANT SCIENCE 2022; 13:1036221. [PMID: 36275593 PMCID: PMC9582937 DOI: 10.3389/fpls.2022.1036221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Flowering time is crucial for the survival and reproduction. Prunus genus belongs to the Rosaceae family and includes several hundred species of flowering trees and shrubs with important ornamental and economic values. However, the molecular mechanism underlying early flowering in Prunus genus is unclear. Here, we utilized the genome and transcriptome of P. mume and P. persica to explore the transcriptional regulation mechanism of early flowering. Comparative genomics found that genes accounting for 92.4% of the total P. mume genome and 91.2% of the total P. persica genome belonged to orthogroups. A total of 19,169 orthogroups were found between P. mume and P. persica, including 20,431 corresponding orthologues and 20,080 collinearity gene pairs. A total of 305 differentially expressed genes (DEGs) associated with early flowering were found, among which FT, TLI65, and NAP57 were identified as hub genes in the early flowering regulation pathway. Moreover, we identified twenty-five transcription factors (TFs) from nine protein families, including MADS-box, AP2/ERF, and MYB. Our results provide insights into the underlying molecular model of flowering time regulation in Prunus genus and highlight the utility of multi-omics in deciphering the properties of the inter-genus plants.
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Affiliation(s)
- Ping Li
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, China
| | - Qin Zhang
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, China
| | - Baosheng Shi
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, China
| | - Liu Liu
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, China
| | - Xiaoman Zhang
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, China
| | - Jia Wang
- National Engineering Research Center for Floriculture, School of Landscape Architecture, Beijing Forestry University, Beijing, China
| | - Haihui Yi
- College of Agronomy, Inner Mongolia Minzu University, Tongliao, China
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6
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Surkova SY, Samsonova MG. Mechanisms of Vernalization-Induced Flowering in Legumes. Int J Mol Sci 2022; 23:ijms23179889. [PMID: 36077286 PMCID: PMC9456104 DOI: 10.3390/ijms23179889] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Vernalization is the requirement for exposure to low temperatures to trigger flowering. The best knowledge about the mechanisms of vernalization response has been accumulated for Arabidopsis and cereals. In Arabidopsis thaliana, vernalization involves an epigenetic silencing of the MADS-box gene FLOWERING LOCUS C (FLC), which is a flowering repressor. FLC silencing releases the expression of the main flowering inductor FLOWERING LOCUS T (FT), resulting in a floral transition. Remarkably, no FLC homologues have been identified in the vernalization-responsive legumes, and the mechanisms of cold-mediated transition to flowering in these species remain elusive. Nevertheless, legume FT genes have been shown to retain the function of the main vernalization signal integrators. Unlike Arabidopsis, legumes have three subclades of FT genes, which demonstrate distinct patterns of regulation with respect to environmental cues and tissue specificity. This implies complex mechanisms of vernalization signal propagation in the flowering network, that remain largely elusive. Here, for the first time, we summarize the available information on the genetic basis of cold-induced flowering in legumes with a special focus on the role of FT genes.
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Cheng X, Li G, Krom N, Tang Y, Wen J. Genetic regulation of flowering time and inflorescence architecture by MtFDa and MtFTa1 in Medicago truncatula. PLANT PHYSIOLOGY 2021; 185:161-178. [PMID: 33631796 PMCID: PMC8133602 DOI: 10.1093/plphys/kiaa005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 10/11/2020] [Indexed: 05/29/2023]
Abstract
Regulation of floral transition and inflorescence development is crucial for plant reproductive success. FLOWERING LOCUS T (FT) is one of the central players in the flowering genetic regulatory network, whereas FLOWERING LOCUS D (FD), an interactor of FT and TERMINAL FLOWER 1 (TFL1), plays significant roles in both floral transition and inflorescence development. Here we show the genetic regulatory networks of floral transition and inflorescence development in Medicago truncatula by characterizing MtFTa1 and MtFDa and their genetic interactions with key inflorescence meristem (IM) regulators. Both MtFTa1 and MtFDa promote flowering; the double mutant mtfda mtfta1 does not proceed to floral transition. RNAseq analysis reveals that a broad range of genes involved in flowering regulation and flower development are up- or downregulated by MtFTa1 and/or MtFDa mutations. Furthermore, mutation of MtFDa also affects the inflorescence architecture. Genetic analyses of MtFDa, MtFTa1, MtTFL1, and MtFULc show that MtFDa is epistatic to MtFULc and MtTFL1 in controlling IM identity. Our results demonstrate that MtFTa1 and MtFDa are major flowering regulators in M. truncatula, and MtFDa is essential both in floral transition and secondary inflorescence development. The study will advance our understanding of the genetic regulation of flowering time and inflorescence development in legumes.
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Affiliation(s)
- Xiaofei Cheng
- Noble Research Institute, Ardmore, Oklahoma 73401, USA
| | - Guifen Li
- Noble Research Institute, Ardmore, Oklahoma 73401, USA
| | - Nick Krom
- Noble Research Institute, Ardmore, Oklahoma 73401, USA
| | - Yuhong Tang
- Noble Research Institute, Ardmore, Oklahoma 73401, USA
| | - Jiangqi Wen
- Noble Research Institute, Ardmore, Oklahoma 73401, USA
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Zhang F, Kang J, Long R, Yu LX, Sun Y, Wang Z, Zhao Z, Zhang T, Yang Q. Construction of high-density genetic linkage map and mapping quantitative trait loci (QTL) for flowering time in autotetraploid alfalfa (Medicago sativa L.) using genotyping by sequencing. THE PLANT GENOME 2020; 13:e20045. [PMID: 33217205 DOI: 10.1002/tpg2.20045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 06/13/2020] [Indexed: 06/11/2023]
Abstract
Flowering time is an important agronomic trait of alfalfa (Medicago sativa L.). Managing flowering time can produce economic benefits for farmers. To understand the genetic basis of this trait, quantitative trait loci (QTL) mapping was conducted in a full-sib population that consisted of 392 individuals segregating based on flowering time. High density linkage maps were constructed using single nucleotide polymorphism (SNP) markers generated by genotyping-by-sequencing (GBS). The linkage maps contained 3,818 SNP markers on 64 linkage groups in two parents. The average marker density was 4.33 cM for Parent 1 (P1) and 1.47 cM for Parent 2 (P2). Phenotypic data for flowering time was collected for three years at one location. Twenty-eight QTLs were identified associated with flowering time. Eleven QTLs explained more than 10% of the phenotypic variation. Among them, five main effect QTLs located on linkage group (LG) 7D of P1 and five main effect QTLs located on LG 6D of P2 were identified. Three QTLs were co-located with other QTLs. The identified linked markers to QTLs could be used for marker-assisted selection in breeding programs to develop new alfalfa varieties to modulate flowering time.
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Affiliation(s)
- Fan Zhang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Junmei Kang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ruicai Long
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Long-Xi Yu
- Plant Germplasm Introduction and Testing Research, United States Department of Agriculture-Agricultural Research Service, Prosser, WA, USA
| | - Yan Sun
- Grassland Science Department, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhen Wang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhongxiang Zhao
- Cangzhou Academy of Agriculture and Forestry Sciences, Cangzhou, China
| | - Tiejun Zhang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qingchuan Yang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
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Podolny BS, Gursky VV, Samsonova MG. A Machine-Learning Analysis of Flowering Gene Expression in the CDC Frontier Chickpea Cultivar. Biophysics (Nagoya-shi) 2020. [DOI: 10.1134/s0006350920020189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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