1
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Zhang Y, Zhao J, Hu Y, Zhang Y, Ying Y, Xu F, Bao J. Combined Effects of Different Alleles of FLO2, Wx and SSIIa on the Cooking and Eating Quality of Rice. PLANTS 2022; 11:plants11172249. [PMID: 36079631 PMCID: PMC9460582 DOI: 10.3390/plants11172249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 01/15/2023]
Abstract
The improvement of the cooking and eating quality (CEQ) of rice is one of the major objectives of current rice-breeding programs. A few major genes such as Waxy (Wx) and starch synthase IIa (SSIIa) have been successfully applied in molecular breeding. However, their interactive effects on CEQ have not been fully understood. In this study, a recombinant inbred line (RIL) population was constructed by crossing the white-core mutant GM645 with the transparent phenotype of the japonica rice variety Tainung 67 (TN67). GM645 and TN67 contain different alleles of FLOURY ENDOSPERM2 (FLO2), Wx, and SSIIa. The effects of different allele combinations of FLO2, Wx, and SSIIa on the CEQ of rice were investigated. The inbred lines with the mutation allele flo2 had a significantly lower apparent amylose content (AAC), viscosity characteristics except for setback (SB), and gel texture properties compared to those lines with the FLO2 allele. The allelic combination of FLO2 and Wx significantly affected the AAC, breakdown (BD), and gel textural properties, which could explain most of the variations in those rice quality traits that were correlated with AAC. The allelic combination of FLO2 and SSIIa significantly affected the hot paste viscosity (HPV) and pasting temperature (PT). The Wx × SSIIa interaction had a significant effect on the PT. The interaction of FLO2, Wx and SSIIa significantly affected the AAC, cold paste viscosity (CPV), PT, and consistency viscosity (CS). These results highlight the important roles of these quality-related genes in regulating the CEQ of rice and provide new clues for rice-quality improvement by marker-assisted selection.
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Affiliation(s)
- Yu Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
- Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Yazhou District, Sanya 572025, China
| | - Jiajia Zhao
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
| | - Yaqi Hu
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
| | - Yanni Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
| | - Yining Ying
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
| | - Feifei Xu
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
| | - Jinsong Bao
- Institute of Nuclear Agricultural Sciences, Key Laboratory for Nuclear Agricultural Sciences of Zhejiang Province and Ministry of Agriculture and Rural Affairs, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
- Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Yazhou District, Sanya 572025, China
- Correspondence:
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2
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OsbZIP60-mediated unfolded protein response regulates grain chalkiness in rice. J Genet Genomics 2022; 49:414-426. [DOI: 10.1016/j.jgg.2022.02.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 02/01/2022] [Accepted: 02/07/2022] [Indexed: 12/21/2022]
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3
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Smith AM, Zeeman SC. Starch: A Flexible, Adaptable Carbon Store Coupled to Plant Growth. ANNUAL REVIEW OF PLANT BIOLOGY 2020; 71:217-245. [PMID: 32075407 DOI: 10.1146/annurev-arplant-050718-100241] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Research in the past decade has uncovered new and surprising information about the pathways of starch synthesis and degradation. This includes the discovery of previously unsuspected protein families required both for processes and for the long-sought mechanism of initiation of starch granules. There is also growing recognition of the central role of leaf starch turnover in making carbon available for growth across the day-night cycle. Sophisticated systems-level control mechanisms involving the circadian clock set rates of nighttime starch mobilization that maintain a steady supply of carbon until dawn and modulate partitioning of photosynthate into starch in the light, optimizing the fraction of assimilated carbon that can be used for growth. These discoveries also uncover complexities: Results from experiments with Arabidopsis leaves in conventional controlled environments are not necessarily applicable to other organs or species or to growth in natural, fluctuating environments.
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Affiliation(s)
| | - Samuel C Zeeman
- Institute of Plant Molecular Biology, ETH Zürich, 8092 Zürich, Switzerland
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4
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Chen C, He B, Liu X, Ma X, Liu Y, Yao H, Zhang P, Yin J, Wei X, Koh H, Yang C, Xue H, Fang Z, Qiao Y. Pyrophosphate-fructose 6-phosphate 1-phosphotransferase (PFP1) regulates starch biosynthesis and seed development via heterotetramer formation in rice (Oryza sativa L.). PLANT BIOTECHNOLOGY JOURNAL 2020; 18:83-95. [PMID: 31131526 PMCID: PMC6920184 DOI: 10.1111/pbi.13173] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/03/2019] [Accepted: 05/14/2019] [Indexed: 05/07/2023]
Abstract
Pyrophosphate-fructose 6-phosphate 1-phosphotransferase (PFP1) reversibly converts fructose 6-phosphate and pyrophosphate to fructose 1, 6-bisphosphate and orthophosphate during glycolysis, and has diverse functions in plants. However, mechanisms underlying the regulation of starch metabolism by PFP1 remain elusive. This study addressed the function of PFP1 in rice floury endosperm and defective grain filling. Compared with the wild type, pfp1-3 exhibited remarkably low grain weight and starch content, significantly increased protein and lipid content, and altered starch physicochemical properties and changes in embryo development. Map-based cloning revealed that pfp1-3 is a novel allele and encodes the regulatory β-subunit of PFP1 (PFP1β). Measurement of nicotinamide adenine dinucleotide (NAD+) showed that mutation of PFP1β markedly decreased its enzyme activity. PFP1β and three of four putative catalytic α-subunits of PFP1, PFP1α1, PFP1α2, and PFP1α4, interacted with each other to form a heterotetramer. Additionally, PFP1β, PFP1α1 and PFP1α2 also formed homodimers. Furthermore, transcriptome analysis revealed that mutation of PFP1β significantly altered expression of many essential enzymes in starch biosynthesis pathways. Concentrations of multiple lipid and glycolytic intermediates and trehalose metabolites were elevated in pfp1-3 endosperm, indicating that PFP1 modulates endosperm metabolism, potentially through reversible adjustments to metabolic fluxes. Taken together, these findings provide new insights into seed endosperm development and starch biosynthesis and will help in the breeding of rice cultivars with higher grain yield and quality.
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Affiliation(s)
- Chen Chen
- College of AgricultureYangtze UniversityJingzhouChina
- Shanghai Key Laboratory of Plant Molecular SciencesCollege of Life SciencesShanghai Normal UniversityShanghaiChina
| | - Bingshu He
- Shanghai Key Laboratory of Plant Molecular SciencesCollege of Life SciencesShanghai Normal UniversityShanghaiChina
- Institute of Industrial CropsSongyuan Academy of Agricultural SciencesSongyuanChina
| | - Xingxun Liu
- Key Laboratory of Grains and Oils Quality Control and ProcessingCollege of Food Science and EngineeringNanjing University of Finance and EconomicsNanjingChina
| | - Xiaoding Ma
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop ScienceChinese Academy of Agricultural SciencesBeijingChina
| | - Yujie Liu
- CAS‐Key Laboratory of Synthetic BiologyCAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
| | - Hong‐Yan Yao
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Peng Zhang
- College of AgricultureYangtze UniversityJingzhouChina
- Shanghai Key Laboratory of Plant Molecular SciencesCollege of Life SciencesShanghai Normal UniversityShanghaiChina
| | - Junliang Yin
- College of AgricultureYangtze UniversityJingzhouChina
| | - Xin Wei
- Shanghai Key Laboratory of Plant Molecular SciencesCollege of Life SciencesShanghai Normal UniversityShanghaiChina
| | - Hee‐Jong Koh
- Department of Plant ScienceCollege of Agriculture and Life Sciences, and Plant Genomics and Breeding InstituteSeoul National UniversitySeoulKorea
| | - Chen Yang
- CAS‐Key Laboratory of Synthetic BiologyCAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
| | - Hong‐Wei Xue
- National Key Laboratory of Plant Molecular GeneticsCAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Zhengwu Fang
- College of AgricultureYangtze UniversityJingzhouChina
| | - Yongli Qiao
- Shanghai Key Laboratory of Plant Molecular SciencesCollege of Life SciencesShanghai Normal UniversityShanghaiChina
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5
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Teng X, Zhong M, Zhu X, Wang C, Ren Y, Wang Y, Zhang H, Jiang L, Wang D, Hao Y, Wu M, Zhu J, Zhang X, Guo X, Wang Y, Wan J. FLOURY ENDOSPERM16 encoding a NAD-dependent cytosolic malate dehydrogenase plays an important role in starch synthesis and seed development in rice. PLANT BIOTECHNOLOGY JOURNAL 2019; 17:1914-1927. [PMID: 30860317 PMCID: PMC6737025 DOI: 10.1111/pbi.13108] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 03/07/2019] [Indexed: 05/18/2023]
Abstract
Starch is the most important form of energy storage in cereal crops. Many key enzymes involved in starch biosynthesis have been identified. However, the molecular mechanisms underlying the regulation of starch biosynthesis are largely unknown. In this study, we isolated a novel floury endosperm rice (Oryza sativa) mutant flo16 with defective starch grain (SG) formation. The amylose content and amylopectin structure were both altered in the flo16 mutant. Map-based cloning and complementation tests demonstrated that FLO16 encodes a NAD-dependent cytosolic malate dehydrogenase (CMDH). The ATP contents were decreased in the mutant, resulting in significant reductions in the activity of starch synthesis-related enzymes. Our results indicated that FLO16 plays a critical role in redox homeostasis that is important for compound SG formation and subsequent starch biosynthesis in rice endosperm. Overexpression of FLO16 significantly improved grain weight, suggesting a possible application of FLO16 in rice breeding. These findings provide a novel insight into the regulation of starch synthesis and seed development in rice.
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Affiliation(s)
- Xuan Teng
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Mingsheng Zhong
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Xiaopin Zhu
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Chunming Wang
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Yulong Ren
- National Key Facility for Crop Resources and Genetic ImprovementInstitute of Crop ScienceChinese Academy of Agricultural SciencesBeijingChina
| | - Yunlong Wang
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Huan Zhang
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Ling Jiang
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Di Wang
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Yuanyuan Hao
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Mingming Wu
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Jianping Zhu
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Xin Zhang
- National Key Facility for Crop Resources and Genetic ImprovementInstitute of Crop ScienceChinese Academy of Agricultural SciencesBeijingChina
| | - Xiuping Guo
- National Key Facility for Crop Resources and Genetic ImprovementInstitute of Crop ScienceChinese Academy of Agricultural SciencesBeijingChina
| | - Yihua Wang
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
| | - Jianmin Wan
- State Key Laboratory for Crop Genetics and Germplasm EnhancementJiangsu Plant Gene Engineering Research CenterNanjing Agricultural UniversityNanjingChina
- National Key Facility for Crop Resources and Genetic ImprovementInstitute of Crop ScienceChinese Academy of Agricultural SciencesBeijingChina
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6
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A Novel Mutation of OsPPDKB, Encoding Pyruvate Orthophosphate Dikinase, Affects Metabolism and Structure of Starch in the Rice Endosperm. Int J Mol Sci 2018; 19:ijms19082268. [PMID: 30072633 PMCID: PMC6121672 DOI: 10.3390/ijms19082268] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 07/28/2018] [Accepted: 07/30/2018] [Indexed: 11/16/2022] Open
Abstract
Starch, as a main energy storage substance, plays an important role in plant growth and human life. Despite the fact that several enzymes and regulators involved in starch biosynthesis have been identified, the regulating mechanism of starch synthesis is still unclear. In this study, we isolated a rice floury endosperm mutant M14 from a mutant pool induced by 60Co. Both total starch content and amylose content in M14 seeds significantly decreased, and starch thermal and pasting properties changed. Compound starch granules were defected in the floury endosperm of M14 seeds. Map-based cloning and a complementation test showed that the floury endosperm phenotype was determined by a gene of OsPPDKB, which encodes pyruvate orthophosphate dikinase (PPDK, EC 2.7.9.1). Subcellular localization analysis demonstrated that PPDK was localized in chloroplast and cytoplasm, the chOsPPDKB highly expressed in leaf and leaf sheath, and the cyOsPPDKB constitutively expressed with a high expression in developing endosperm. Moreover, the expression of starch synthesis-related genes was also obviously altered in M14 developing endosperm. The above results indicated that PPDK played an important role in starch metabolism and structure in rice endosperm.
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7
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Wang H, Mo YJ, Im DE, Jang SG, Ham TH, Lee J, Jeung JU, Kwon SW. A new SNP in cyOsPPDK gene is associated with floury endosperm in Suweon 542. Mol Genet Genomics 2018; 293:1151-1158. [PMID: 29744589 DOI: 10.1007/s00438-018-1446-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 05/06/2018] [Indexed: 10/16/2022]
Abstract
Pyruvate orthophosphate dikinase (PPDK) is a component of glycolysis to mediate endosperm energy charge by adjusting the ratio of ATP to ADP and AMP that proposed to balance the flow of carbon into starch, protein, fatty acid and amino acid biosynthesis. However, these were inconsistent with the first report of a T-DNA insertional knockout mutant of the rice PPDK gene (flo4) showed that rice with inactivated PPDK gene failed to produce a opaque seeds. Therefore, the PPDK might have multifaceted functions in grain filling stage, which in some ways might depend on the direction of the reversible catalysis. Suweon 542 is a rice (Oryza sativa L.) mutant developed from Oryza sativa ssp. japonica cv. Namil. Suweon 542 has a milky-white floury endosperm suitable for dry filling, with low starch damage, low grain hardness, and fine flour particle size. The mutant locus on chromosome 5 controls the floury endosperm phenotype of Suweon 542. Fine mapping of this locus is required for efficient breeding of rice germplasm suitable for dry milling. In this study, whole genome of Suweon 542 and Milyang 23 were re-sequenced using Illumina HiSeq 2500. Co-segregation analysis of F3:4 family populations derived from Suweon 542/Milyang 23 was performed using eight CAPS markers and phenotypic evaluation of the endosperm. The target region was mapped to a 33 kb region and identified to encode cytosolic pyruvate orthophosphate dikinase protein (cyOsPPDK). A G→A SNP in exon 8 of cyOsPPDK resulting in a missense mutation from Gly to Asp at amino acid position 404 was responsible for the floury endosperm of Suweon 542. qRT-PCR experiments revealed that FLO4-4 was expressed to a considerably higher level in Suweon 542 than in Namil during the grain filling stage. Overall, fine mapping of FLO4-4 and candidate gene analysis provided further insight into the floury endosperm of rice, and reveal a novel SNP in cyOsPPDK gene can affect the floury endosperm phenotype through active PPDK gene during grain filling stage.
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Affiliation(s)
- Heng Wang
- Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Young-Jun Mo
- National Institute of Crop Science, Rural Development Administration, Jeonju, 54874, Republic of Korea.,Department of Plant Sciences, University of California, Davis, USA
| | - Da-Eun Im
- Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Seong-Gyu Jang
- Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Tae-Ho Ham
- Department of Agricultural Science, Korea National Open University, Seoul, 03087, Republic of Korea.,Department of Applied Bioscience, Konkuk University, Seoul, 05029, Republic of Korea
| | - Joohyun Lee
- Department of Applied Bioscience, Konkuk University, Seoul, 05029, Republic of Korea
| | - Ji-Ung Jeung
- National Institute of Crop Science, Rural Development Administration, Jeonju, 54874, Republic of Korea
| | - Soon-Wook Kwon
- Department of Plant Bioscience, College of Natural Resources and Life Science, Pusan National University, Miryang, 50463, Republic of Korea.
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8
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Biselli C, Bagnaresi P, Cavalluzzo D, Urso S, Desiderio F, Orasen G, Gianinetti A, Righettini F, Gennaro M, Perrini R, Ben Hassen M, Sacchi GA, Cattivelli L, Valè G. Deep sequencing transcriptional fingerprinting of rice kernels for dissecting grain quality traits. BMC Genomics 2015; 16:1091. [PMID: 26689934 PMCID: PMC4687084 DOI: 10.1186/s12864-015-2321-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 12/15/2015] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Rice represents one the most important foods all over the world. In Europe, Italy is the first rice producer and Italian production is driven by tradition and quality. All main rice grain quality traits, like cooking properties, texture, gelatinization temperature, chalkiness and yield, are related to the content and composition of starch and seed-storage proteins in the endosperm and to grain shape. In addition, a number of nutraceutical compounds and allergens are known to have a significant effect on grain quality determination. To investigate the genetic bases underlying the qualitative differences that characterize traditional Italian rice cultivars, a comparative RNA-Seq-based transcriptomic analysis of developing caryopsis was conducted at 14 days after flowering on six popular Italian varieties (Carnaroli, Arborio, Balilla, Vialone Nano, Gigante Vercelli and Volano) phenotypically differing for qualitative grain-related traits. RESULTS Co-regulation analyses of differentially expressed genes showing the same expression patterns in the six genotypes highlighted clusters of loci up or down-regulated in specific varieties, with respect to the others. Among them, we detected loci involved in cell wall biosynthesis, protein metabolism and redox homeostasis, classes of genes affecting in chalkiness determination. Moreover, loci encoding for seed-storage proteins, allergens or involved in the biosynthesis of specific nutraceutical compounds were also present and specifically regulated in the different clusters. A wider investigation of all the DEGs detected in pair-wise comparisons revealed transcriptional variation, among the six genotypes, for quality-related loci involved in starch biosynthesis (e.g. GBSSI, starch synthases and AGPase), genes encoding for transcription factors, additional seed storage proteins, allergens or belonging to additional nutraceutical compounds biosynthetic pathways and loci affecting grain size. Putative functional SNPs associated to amylose content in starch, gelatinization temperature and grain size were also identified. CONCLUSIONS The present work represents a more extended phenotypic characterization of a set of rice accessions that present a wider genetic variability than described nowadays in literature. The results provide the first transcriptional picture for several of the grain quality differences observed among the Italian rice varieties analyzed and reveal that each variety is characterized by the over-expression of a peculiar set of loci affecting grain appearance and quality. A list of candidates and SNPs affecting specific grain properties has been identified offering a starting point for further works aimed to characterize genes and molecular markers for breeding programs.
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Affiliation(s)
- Chiara Biselli
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy. .,CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
| | - Paolo Bagnaresi
- CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
| | - Daniela Cavalluzzo
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy.
| | - Simona Urso
- CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
| | - Francesca Desiderio
- CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
| | - Gabriele Orasen
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy. .,DiSAA - Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Via G. Celoria 2, Milan, 20133, Italy.
| | - Alberto Gianinetti
- CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
| | - Federico Righettini
- DiSAA - Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Via G. Celoria 2, Milan, 20133, Italy.
| | - Massimo Gennaro
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy.
| | - Rosaria Perrini
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy.
| | - Manel Ben Hassen
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy. .,DiSAA - Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Via G. Celoria 2, Milan, 20133, Italy.
| | - Gian Attilio Sacchi
- DiSAA - Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Via G. Celoria 2, Milan, 20133, Italy.
| | - Luigi Cattivelli
- CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
| | - Giampiero Valè
- CREA- Council for Agricultural Research and Economics, Rice research unit, S. S. 11 to Torino Km 2,5, Vercelli, 13100, Italy. .,CREA - Council for Agricultural Research and Economics, Genomics Research Centre, Via S. Protaso 302, Fiorenzuola d'Arda (PC), 29017, Italy.
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9
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Sreenivasulu N, Butardo VM, Misra G, Cuevas RP, Anacleto R, Kavi Kishor PB. Designing climate-resilient rice with ideal grain quality suited for high-temperature stress. JOURNAL OF EXPERIMENTAL BOTANY 2015; 66:1737-48. [PMID: 25662847 PMCID: PMC4669556 DOI: 10.1093/jxb/eru544] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 12/15/2014] [Accepted: 12/17/2014] [Indexed: 05/18/2023]
Abstract
To ensure rice food security, the target outputs of future rice breeding programmes should focus on developing climate-resilient rice varieties with emphasis on increased head rice yield coupled with superior grain quality. This challenge is made greater by a world that is increasingly becoming warmer. Such environmental changes dramatically impact head rice and milling yield as well as increasing chalkiness because of impairment in starch accumulation and other storage biosynthetic pathways in the grain. This review highlights the knowledge gained through gene discovery via quantitative trait locus (QTL) cloning and structural-functional genomic strategies to reduce chalk, increase head rice yield, and develop stable lines with optimum grain quality in challenging environments. The newly discovered genes and the knowledge gained on the influence of specific alleles related to stability of grain quality attributes provide a robust platform for marker-assisted selection in breeding to design heat-tolerant rice varieties with superior grain quality. Using the chalkiness trait in rice as a case study, we demonstrate here that the emerging field of systems genetics can help fast-track the identification of novel alleles and gene targets that can be pyramided for the development of environmentally robust rice varieties that possess improved grain quality.
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Affiliation(s)
- Nese Sreenivasulu
- Grain Quality and Nutrition Center, International Rice Research Institute, DAPO Box 7777, Metro Manila 1301, Philippines
| | - Vito M Butardo
- Grain Quality and Nutrition Center, International Rice Research Institute, DAPO Box 7777, Metro Manila 1301, Philippines
| | - Gopal Misra
- Grain Quality and Nutrition Center, International Rice Research Institute, DAPO Box 7777, Metro Manila 1301, Philippines
| | - Rosa Paula Cuevas
- Grain Quality and Nutrition Center, International Rice Research Institute, DAPO Box 7777, Metro Manila 1301, Philippines
| | - Roslen Anacleto
- Grain Quality and Nutrition Center, International Rice Research Institute, DAPO Box 7777, Metro Manila 1301, Philippines
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10
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Wu YP, Pu CH, Lin HY, Huang HY, Huang YC, Hong CY, Chang MC, Lin YR. Three novel alleles of FLOURY ENDOSPERM2 (FLO2) confer dull grains with low amylose content in rice. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2015; 233:44-52. [PMID: 25711812 DOI: 10.1016/j.plantsci.2014.12.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 12/10/2014] [Accepted: 12/11/2014] [Indexed: 05/16/2023]
Abstract
Rice is a major food source for much of the world, and expanding our knowledge of genes conferring specific rice grain attributes will benefit both farmer and consumer. Here we present novel dull grain mutants with a low amylose content (AC) derived from mutagenesis of Oryza sativa, ssp. japonica cv. Taikeng 8 (TK8). Positional cloning of the gene conferring the dull grain phenotype revealed a point mutation located at the acceptor splice site of intron 11 of FLOURY ENDOSPERM2 (FLO2), encoding a tetratricopeptide repeat domain (TPR)-containing protein. Three novel flo2 alleles were identified herein, which surprisingly conferred dull rather than floury grains. The allelic diversity of flo2 perturbed the expression of starch synthesis-related genes including OsAGPL2, OsAGPS2b, OsGBSSI, OsBEI, OsBEIIb, OsISA1, and OsPUL. The effect of the flo2 mutations on the physicochemical properties of the grain included a low breakdown, setback, and consistency of rice, indicating a good elasticity and soft texture of cooked rice grains. The effects of FLO2, combined with the genetic background of the germplasm and environmental effects, resulted in a variety of different amylose content levels, grain appearance, and physicochemical properties of rice, providing a host of useful information to future grain-quality research and breeding.
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Affiliation(s)
- Yong-Pei Wu
- Department of Agronomy, Chiayi Agricultural Experiment Station, Chiayi, Taiwan
| | - Chieh-Han Pu
- Department of Agronomy, National Taiwan University, Taipei, Taiwan
| | - Hung-Ying Lin
- Department of Agronomy, National Taiwan University, Taipei, Taiwan
| | - Hsin-Ya Huang
- Department of Agronomy, National Taiwan University, Taipei, Taiwan
| | - Ya-Chen Huang
- Department of Agronomy, National Taiwan University, Taipei, Taiwan
| | - Chwan-Yang Hong
- Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan
| | - Men-Chi Chang
- Department of Agronomy, National Taiwan University, Taipei, Taiwan
| | - Yann-Rong Lin
- Department of Agronomy, National Taiwan University, Taipei, Taiwan.
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Mo YJ, Jeung JU, Shin YS, Park CS, Kang KH, Kim BK. Agronomic and genetic analysis of Suweon 542, a rice floury mutant line suitable for dry milling. RICE (NEW YORK, N.Y.) 2013; 6:37. [PMID: 24321450 PMCID: PMC4883716 DOI: 10.1186/1939-8433-6-37] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 12/05/2013] [Indexed: 05/07/2023]
Abstract
BACKGROUND Producing rice flour of good quality by dry milling is necessary to reduce milling costs and promote the processed rice food industry. This study was conducted to evaluate the dry milling properties of Suweon 542, a floury endosperm mutant, and identify the chromosomal region responsible for the floury endosperm characteristics. RESULTS Compared with the wild type, after dry milling process, the grain hardness of Suweon 542 was significantly lower because of its round and loosely packed starch granules. Also, the flour of Suweon 542 had significantly smaller particles and less damaged starch than Namil and other rice cultivars and its particle size distribution was similar to a commercial wheat cultivar. Considering that the yield loss of Suweon 542 due to its floury endosperm was largely compensated for by an increased number of spikelets per panicle, Suweon 542 has potential value as a raw material for rice flour production. Association analysis using 70 genome-wide SSR markers and 94 F2 plants derived from Suweon 542/Milyang 23 showed that markers on chromosome 5 explained a large portion of the variation in floury grains percentage (FGP). Further analysis with an increased number of SSR markers revealed that the floury endosperm of Suweon 542 was directed by a major recessive locus, flo7(t), located in the 19.33-19.86 Mbp region of chromosome 5, with RM18639 explaining 92.2% of FGP variation in the F2 population. CONCLUSIONS The floury endosperm of Suweon 542 is suitable for dry milling, with a small flour particle size and low damaged starch content. Further physical mapping of flo7(t), the floury endosperm locus of Suweon 542, would facilitate efficient breeding of rice cultivars with proper dry milling adaptability that can be used in the processed rice food industry.
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Affiliation(s)
- Young-Jun Mo
- />National Institute of Crop Science, Rural Development Administration, Suwon, 441-857 Republic of Korea
| | - Ji-Ung Jeung
- />National Institute of Crop Science, Rural Development Administration, Suwon, 441-857 Republic of Korea
| | - Young-Seop Shin
- />National Institute of Crop Science, Rural Development Administration, Suwon, 441-857 Republic of Korea
| | - Chul Soo Park
- />Department of Crop Science and Biotechnology, Chonbuk National University, Jeonju, 561-756 Republic of Korea
| | - Kyung-Ho Kang
- />National Institute of Crop Science, Rural Development Administration, Suwon, 441-857 Republic of Korea
| | - Bo-Kyeong Kim
- />National Institute of Crop Science, Rural Development Administration, Suwon, 441-857 Republic of Korea
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Kong X, Sun X, Xu F, Umemoto T, Chen H, Bao J. Morphological and physicochemical properties of two starch mutants induced from a high amylose indica rice by gamma irradiation. STARCH-STARKE 2013. [DOI: 10.1002/star.201300024] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiangli Kong
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Zhejiang Province and Chinese Ministry of Agriculture; Zhejiang University; Hua Jiachi Campus Hangzhou P. R. China
| | - Xiao Sun
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Zhejiang Province and Chinese Ministry of Agriculture; Zhejiang University; Hua Jiachi Campus Hangzhou P. R. China
| | - Feifei Xu
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Zhejiang Province and Chinese Ministry of Agriculture; Zhejiang University; Hua Jiachi Campus Hangzhou P. R. China
| | - Takayuki Umemoto
- Crop Breeding Research Division; NARO Hokkaido Agricultural Research Center; Hitsujigaoka Toyohira Sapporo Japan
| | - Hao Chen
- Sichuan Institute of Atomic Energy; Chendu P. R. China
| | - Jinsong Bao
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Zhejiang Province and Chinese Ministry of Agriculture; Zhejiang University; Hua Jiachi Campus Hangzhou P. R. China
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Bai X, Wu B, Xing Y. Yield-related QTLs and their applications in rice genetic improvement. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2012; 54:300-11. [PMID: 22463712 DOI: 10.1111/j.1744-7909.2012.01117.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Grain yield is one of the most important indexes in rice breeding, which is governed by quantitative trait loci (QTLs). Different mapping populations have been used to explore the QTLs controlling yield related traits. Primary populations such as F(2) and recombinant inbred line populations have been widely used to discover QTLs in rice genome-wide, with hundreds of yield-related QTLs detected. Advanced populations such as near isogenic lines (NILs) are efficient to further fine-map and clone target QTLs. NILs for primarily identified QTLs have been proposed and confirmed to be the ideal population for map-based cloning. To date, 20 QTLs directly affecting rice grain yield and its components have been cloned with NIL-F(2) populations, and 14 new grain yield QTLs have been validated in the NILs. The molecular mechanisms of a continuously increasing number of genes are being unveiled, which aids in the understanding of the formation of grain yield. Favorable alleles for rice breeding have been 'mined' from natural cultivars and wild rice by association analysis of known functional genes with target trait performance. Reasonable combination of favorable alleles has the potential to increase grain yield via use of functional marker assisted selection.
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Affiliation(s)
- Xufeng Bai
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research, Huazhong Agricultural University, Wuhan 430070, China
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