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Zhu J, Xue X, Ju R, Zhao J, Liu F, Han X, Yan Y, Wang Y, Feng Z, Lin D, Chen Z, Wang Y, Chen X, Chu C, Zuo S, Zhang Y. Ectopic Expression of Gastrodia Antifungal Protein in Rice Enhances Resistance to Rice Sheath Blight Disease. J Fungi (Basel) 2023; 10:33. [PMID: 38248943 PMCID: PMC10820164 DOI: 10.3390/jof10010033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/27/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
Sheath blight (ShB) disease, caused by Rhizoctonia solani Kühn, is one of the most serious rice diseases. Rice breeding against ShB has been severely hindered because no major resistance genes or germplasms are available in rice. Here, we report that introduction of Gastrodia antifungal protein (GAFP) genes from Gastrodia elata B1 into rice significantly enhances resistance to rice ShB. Four GAFP genes were cloned from G. elata B1, and all displayed a strong ability to inhibit R. solani growth in plate assays. Two versions, with or without a signal peptide, for each of the four GAFP genes were introduced into XD3 and R6547 rice cultivars, and all transgenic lines displayed stronger ShB resistance than the corresponding wild-type control in both greenhouse and field conditions. Importantly, GAFP2 showed the highest ShB resistance; GAFPs with and without its signal peptide showed no significant differences in enhancing ShB resistance. We also evaluated the agronomic traits of these transgenic rice and found that ectopic expression of GAFPs in rice at appropriate levels did not affect agronomic traits other than enhancing ShB resistance. Together, these results indicate that GAFP genes, especially GAFP2, have great potential in rice breeding against ShB disease.
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Affiliation(s)
- Junkai Zhu
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
- Jiangsu Kingearth Seed Co., Ltd., Yangzhou 225009, China
| | - Xiang Xue
- Department of Horticulture, Yangzhou Polytechnic College, Yangzhou 225009, China;
- Jiangsu Safety& Environment Technology and Equipment for Planting and Breeding Industry Engineering Research Center, Yangzhou Polytechnic College, Yangzhou 225009, China
| | - Ran Ju
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
| | - Jianhua Zhao
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
| | - Fen Liu
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
| | - Xian Han
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
| | - Yu Yan
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
| | - Yu Wang
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
| | - Zhiming Feng
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
- Co-Innovation Center for Modern Production Technology of Grain Crops of Jiangsu Province/Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou 225009, China
| | - Dongmei Lin
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China;
| | - Zongxiang Chen
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
- Co-Innovation Center for Modern Production Technology of Grain Crops of Jiangsu Province/Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou 225009, China
| | - Yiqin Wang
- State Key Laboratory of Plant Genomics, the Innovative Academy of Seed Design, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; (Y.W.); (C.C.)
| | - Xijun Chen
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China;
| | - Chengcai Chu
- State Key Laboratory of Plant Genomics, the Innovative Academy of Seed Design, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; (Y.W.); (C.C.)
| | - Shimin Zuo
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
- Co-Innovation Center for Modern Production Technology of Grain Crops of Jiangsu Province/Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education of China/Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China
| | - Yafang Zhang
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou 225009, China; (J.Z.); (R.J.); (J.Z.); (F.L.); (X.H.); (Y.Y.); (Y.W.); (Z.F.); (Z.C.); (X.C.)
- Jiangsu Safety& Environment Technology and Equipment for Planting and Breeding Industry Engineering Research Center, Yangzhou Polytechnic College, Yangzhou 225009, China
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Schläppi MR, Jessel AR, Jackson AK, Phan H, Jia MH, Edwards JD, Eizenga GC. Navigating rice seedling cold resilience: QTL mapping in two inbred line populations and the search for genes. FRONTIERS IN PLANT SCIENCE 2023; 14:1303651. [PMID: 38162313 PMCID: PMC10755946 DOI: 10.3389/fpls.2023.1303651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 11/20/2023] [Indexed: 01/03/2024]
Abstract
Due to global climate change resulting in extreme temperature fluctuations, it becomes increasingly necessary to explore the natural genetic variation in model crops such as rice to facilitate the breeding of climate-resilient cultivars. To uncover genomic regions in rice involved in managing cold stress tolerance responses and to identify associated cold tolerance genes, two inbred line populations developed from crosses between cold-tolerant and cold-sensitive parents were used for quantitative trait locus (QTL) mapping of two traits: degree of membrane damage after 1 week of cold exposure quantified as percent electrolyte leakage (EL) and percent low-temperature seedling survivability (LTSS) after 1 week of recovery growth. This revealed four EL QTL and 12 LTSS QTL, all overlapping with larger QTL regions previously uncovered by genome-wide association study (GWAS) mapping approaches. Within the QTL regions, 25 cold-tolerant candidate genes were identified based on genomic differences between the cold-tolerant and cold-sensitive parents. Of those genes, 20% coded for receptor-like kinases potentially involved in signal transduction of cold tolerance responses; 16% coded for transcription factors or factors potentially involved in regulating cold tolerance response effector genes; and 64% coded for protein chaperons or enzymes potentially serving as cold tolerance effector proteins. Most of the 25 genes were cold temperature regulated and had deleterious nucleotide variants in the cold-sensitive parent, which might contribute to its cold-sensitive phenotype.
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Affiliation(s)
- Michael R. Schläppi
- Department of Biological Sciences, Marquette University, Milwaukee, WI, United States
| | - Avery R. Jessel
- Department of Biological Sciences, Marquette University, Milwaukee, WI, United States
| | - Aaron K. Jackson
- Dale Bumpers National Rice Research Center, U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS), Stuttgart, AR, United States
| | - Huy Phan
- Department of Biological Sciences, Marquette University, Milwaukee, WI, United States
| | - Melissa H. Jia
- Dale Bumpers National Rice Research Center, U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS), Stuttgart, AR, United States
| | - Jeremy D. Edwards
- Dale Bumpers National Rice Research Center, U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS), Stuttgart, AR, United States
| | - Georgia C. Eizenga
- Dale Bumpers National Rice Research Center, U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS), Stuttgart, AR, United States
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Chen J, Xuan Y, Yi J, Xiao G, Yuan DP, Li D. Progress in rice sheath blight resistance research. FRONTIERS IN PLANT SCIENCE 2023; 14:1141697. [PMID: 37035075 PMCID: PMC10080073 DOI: 10.3389/fpls.2023.1141697] [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: 01/10/2023] [Accepted: 03/09/2023] [Indexed: 06/19/2023]
Abstract
Rice sheath blight (ShB) disease poses a major threat to rice yield throughout the world. However, the defense mechanisms against ShB in rice remain largely unknown. ShB resistance is a typical quantitative trait controlled by multiple genes. With the rapid development of molecular methods, many quantitative trait loci (QTLs) related to agronomic traits, biotic and abiotic stresses, and yield have been identified by genome-wide association studies. The interactions between plants and pathogens are controlled by various plant hormone signaling pathways, and the pathways synergistically or antagonistically interact with each other, regulating plant growth and development as well as the defense response. This review summarizes the regulatory effects of hormones including auxin, ethylene, salicylic acid, jasmonic acid, brassinosteroids, gibberellin, abscisic acid, strigolactone, and cytokinin on ShB and the crosstalk between the various hormones. Furthermore, the effects of sugar and nitrogen on rice ShB resistance, as well as information on genes related to ShB resistance in rice and their effects on ShB are also discussed. In summary, this review is a comprehensive description of the QTLs, hormones, nutrition, and other defense-related genes related to ShB in rice. The prospects of targeting the resistance mechanism as a strategy for controlling ShB in rice are also discussed.
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Affiliation(s)
- Jingsheng Chen
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Yuanhu Xuan
- College of Plant Protection, Shenyang Agricultural University, Shenyang, China
| | - Jianghui Yi
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Guosheng Xiao
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - De Peng Yuan
- College of Plant Protection, Shenyang Agricultural University, Shenyang, China
| | - Dandan Li
- College of Plant Protection, Shenyang Agricultural University, Shenyang, China
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Oxalactam A, a Novel Macrolactam with Potent Anti- Rhizoctonia solani Activity from the Endophytic Fungus Penicillium oxalicum. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248811. [PMID: 36557941 PMCID: PMC9788486 DOI: 10.3390/molecules27248811] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
A novel macrolactam named oxalactam A (1), three known dipeptides (2-4) as well as other known alkaloids (5-7) were obtained from the endophytic fungus Penicillium oxalicum, which was derived from the tuber of Icacina trichantha (Icacinaceae). All chemical structures were established based on spectroscopic data, chemical methods, ECD calculations, and 13C-DP4+ analysis. Among them, oxalactam A (1) is a 16-membered polyenic macrolactam bearing a new skeleton of 2,9-dimethyl-azacyclohexadecane core and exhibited potent anti-Rhizoctonia solani activity with a MIC value of 10 μg/mL in vitro. The plausible biosynthetic pathway of 1 was also proposed via the alanyl protecting mechanism. Notably, three dipeptides (2-4) were first identified from the endophytic fungus P. oxalicum and the NMR data of cyclo(L-Trp-L-Glu) (2) was reported for the first time. In addition, the binding interactions between compound 1 and the sterol 14α-demethylase enzyme (CYP51) were studied by molecular docking and dynamics technologies, and the results revealed that the 16-membered polyenic macrolactam could be a promising CYP51 inhibitor to develop as a new anti-Rhizoctonia solani fungicide.
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Mohd Hanafiah N, Cheng A, Lim PE, Sethuraman G, Mohd Zain NA, Baisakh N, Mispan MS. Novel PCR-Based Multiplex Assays for Detecting Major Quality and Biotic Stress in Commercial and Weedy Rice. LIFE (BASEL, SWITZERLAND) 2022; 12:life12101542. [PMID: 36294977 PMCID: PMC9604669 DOI: 10.3390/life12101542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022]
Abstract
Simple Summary Rice, the staple food for more than half of humanity, is grown predominantly in Asia, the world’s most populous continent with the fastest-growing economy. The present-day rice industry must not only meet increasing demand but also changing consumer demands, with a strong emphasis placed on producing high-quality rice. While the rapid development of advanced genotyping methods can be useful for modern rice breeding programs, some methods (such as capillary electrophoresis or sequencing) can be costly to apply in laboratories with limited resources. To address this issue, we developed six novel multiplex polymerase chain reaction (PCR) assays that employ a standard agarose-based gel electrophoresis system to simultaneously detect at least two major grain quality (amylose content and fragrance) and biotic stress (blast, sheath blight, and bacterial leaf blight) genes in rice. One of these assays, which can detect all three targeted biotic stresses, was found to be useful in screening Malaysian weedy rice that may contain novel sources of disease resistance. The universal protocol described in this study can be used in routine molecular laboratories to aid rice breeding initiatives in Malaysia and other resource-constrained countries. Abstract While previous research has demonstrated that multiplex polymerase chain reaction (PCR) can be a cost-effective approach to detect various genes in crops, the availability of multiplex assays to simultaneously screen both grain quality and biotic stress resistance traits in rice (Oryza sativa) is limited. In this work, we report six novel multiplex assays that use a universal protocol to detect major rice grain quality (amylose content and fragrance) and biotic stress (blast, sheath blight, and bacterial leaf blight) traits with amplified products consisting of up to four primer pairs that can be analyzed using a standard agarose-based gel electrophoresis system. Recent studies have suggested that weedy rice has novel sources of disease resistance. However, an intensive screening of weedy biotypes has not been reported in Malaysia. Accordingly, we employed one of the developed multiplex assays to screen reported genes or quantitative trait loci (QTLs) associated with blast, sheath blight, and bacterial leaf blight diseases in 100 weedy rice biotypes collected from five local fields, with phenotyping performed to validate the genotyping results. In conclusion, our universal multiplex protocol is effective for the large-scale genotyping of rice genetic resources, and it can be employed in routine molecular laboratories with limited resources.
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Affiliation(s)
- Noraikim Mohd Hanafiah
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Acga Cheng
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: (A.C.); (M.S.M.)
| | - Phaik-Eem Lim
- Institute of Ocean and Earth Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Gomathy Sethuraman
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Nurul Amalina Mohd Zain
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Niranjan Baisakh
- School of Plant, Environmental and Soil Science, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Muhamad Shakirin Mispan
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: (A.C.); (M.S.M.)
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