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Sirilertpanich P, Ekkaphan P, Andriyas T, Leksungnoen N, Ruengphayak S, Vanavichit A, De-Eknamkul W, Tansawat R. Metabolomics study on the main volatile components of Thai colored rice cultivars from different agricultural locations. Food Chem 2024; 434:137424. [PMID: 37734150 DOI: 10.1016/j.foodchem.2023.137424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/28/2023] [Accepted: 09/04/2023] [Indexed: 09/23/2023]
Abstract
This study investigated the main volatile components in ten Thai colored rice varieties cultivated in two agricultural locations of Thailand (Central and Northern region) using a static headspace GC-MS metabolomics approach. The results indicated that volatolomics could successfully differentiate between the geographical origins of the same rice variety grown in regions within the same country. The volatile profiles of the colored rice obtained from the two locations were clearly different, with three volatile compounds isolated as key aroma producers in each area. Primary volatile compounds upregulated in colored rice varieties grown in Northern Thailand included undecanoic acid, 10-methyl-methyl ester; methyl 8-methyl-nonanoate; and pyrimidine, 4-methyl. Hexadecanoic acid, methyl ester; methyl 9-cis,11-trans-octadecadienoate; and 10-octadecenoic acid methyl ester were upregulated in the rice samples grown in Central Thailand. The environmental factors that could affect colored rice aroma at the agricultural sites included temperature, downward surface shortwave radiation, and vapor pressure deficit.
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Affiliation(s)
- Pakawat Sirilertpanich
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand.
| | - Paweena Ekkaphan
- Metabolomics for Life Sciences Research Unit, Chulalongkorn University, Bangkok, Thailand; Scientific and Technological Research Equipment Centre, Chulalongkorn University, Bangkok, Thailand.
| | - Tushar Andriyas
- Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bang Khen Campus, Bangkok, Thailand.
| | - Nisa Leksungnoen
- Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bang Khen Campus, Bangkok, Thailand.
| | - Siriphat Ruengphayak
- Rice Science Center & Rice Gene Discovery Unit, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand.
| | - Apichart Vanavichit
- Rice Science Center & Rice Gene Discovery Unit, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand; Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand.
| | - Wanchai De-Eknamkul
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand.
| | - Rossarin Tansawat
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand; Metabolomics for Life Sciences Research Unit, Chulalongkorn University, Bangkok, Thailand.
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de Oliveira AC, Vanavichit A. Editorial: Generating useful genetic variation in crops by induced mutation, volume III. Front Plant Sci 2023; 14:1301977. [PMID: 37920718 PMCID: PMC10619748 DOI: 10.3389/fpls.2023.1301977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 10/12/2023] [Indexed: 11/04/2023]
Affiliation(s)
- Antonio Costa de Oliveira
- Plant Genomics and Breeding Center, Elieu Maciel School of Agronomy, Federal University of Pelotas, Capão do Leão, Brazil
| | - Apichart Vanavichit
- Rice Science Center and Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology and Agronomy Department, Faculty of Agriculture, Kasetsart University, Kamphangsaen, Nakhonpathom, Thailand
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Phetluan W, Wanchana S, Aesomnuk W, Adams J, Pitaloka MK, Ruanjaichon V, Vanavichit A, Toojinda T, Gray JE, Arikit S. Candidate genes affecting stomatal density in rice (Oryza sativa L.) identified by genome-wide association. Plant Sci 2023; 330:111624. [PMID: 36737006 DOI: 10.1016/j.plantsci.2023.111624] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/18/2022] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Stomata regulate photosynthesis and water loss. They have been an active subject of research for centuries, but our knowledge of the genetic components that regulate stomatal development in crops remains very limited in comparison to the model plant Arabidopsis thaliana. Leaf stomatal density was found to vary by over 2.5-fold across a panel of 235 rice accessions. Using GWAS, we successfully identified five different QTLs associated with stomatal density on chromosomes 2, 3, 9, and 12. Forty-two genes were identified within the haplotype blocks corresponding to these QTLs. Of these, nine genes contained haplotypes that were associated with different stomatal densities. These include a gene encoding a trehalose-6-phosphate synthase, an enzyme that has previously been associated with altered stomatal density in Arabidopsis, and genes encoding a B-BOX zinc finger family protein, a leucine-rich repeat family protein, and the 40 S ribosomal protein S3a, none of which have previously been linked to stomatal traits. We investigated further and show that a closely related B-BOX protein regulates stomatal development in Arabidopsis. The results of this study provide information on genetic associations with stomatal density in rice. The QTLs and candidate genes may be useful in future breeding programs for low or high stomatal density and, consequently, improved photosynthetic capacity, water use efficiency, or drought tolerance.
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Affiliation(s)
- Watchara Phetluan
- Center for Agricultural Biotechnology, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand; Center of Excellence on Agricultural Biotechnology: (AG-BIO/MHESI), Bangkok 10900, Thailand.
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand.
| | - Wanchana Aesomnuk
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand.
| | - Julian Adams
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield S102TN, United Kingdom.
| | - Mutiara K Pitaloka
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand.
| | - Vinitchan Ruanjaichon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand.
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand; Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand.
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand.
| | - Julie E Gray
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield S102TN, United Kingdom.
| | - Siwaret Arikit
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand; Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand.
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Tansawat R, Jindawatt S, Ekkaphan P, Ruengphayak S, Vanavichit A, Suttipanta N, Vimolmangkang S, De-Eknamkul W. Metabolomics approach to identify key volatile aromas in Thai colored rice cultivars. Front Plant Sci 2023; 14:973217. [PMID: 36925754 PMCID: PMC10011493 DOI: 10.3389/fpls.2023.973217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
In addition to white jasmine rice, Thailand has many native-colored rice varieties with numerous health benefits and the potential to become a global economic crop. However, the chemical characteristics of aromatic substances in native-colored rice are still mostly unknown. This study aimed to identify the key volatile aroma compounds and the biosynthetic pathways possibly involved in their formation in Thai native-colored rice varieties, and thus leading to the search for potential genetic markers for breeding colored rice with better aromatic properties. Twenty-three rice varieties in four categories: aromatic white, aromatic black, non-aromatic black, and non-aromatic red, were investigated (n=10 per variety). Seed husks were removed before the analysis of rice volatile aromas by static headspace gas chromatography-mass spectrometry. Untargeted metabolomics approach was used to discover the key volatile compounds in colored rice. Forty-eight compounds were detected. Thirty-eight of the 48 compounds significantly differed among groups at p<0.05, 28 of which at p<0.0001, with the non-aromatic black and red rice containing much lower content of most volatile constituents than the aromatic black and white rice. Focusing on the aromatic black rice, the samples appeared to contain high level of both compound groups of aldehydes (3-methylbutanal, 2-methylbutanal, 2-methylpropanal, pentanal, hexanal) and alcohols (butane-2,3-diol, pentan-1-ol, hexan-1-ol). Biosynthetically, these distinctive black-rice volatile compounds were proposed to be formed from the metabolic degradation of branched-chain amino acids (L-leucine, L-isoleucine and L-valine) and polyunsaturated fatty acids (linoleic acid and α-linolenic acid), involving the branched-chain aminotransferases and keto-acid decarboxylases and the 9-lipoxygonases and 13-lipoxygeases, respectively. The proposed degradative pathways of amino acids and fatty acids were well agreed with the profiles key volatile compounds detected in the Thai native-colored rice varieties.
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Affiliation(s)
- Rossarin Tansawat
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Supawat Jindawatt
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Paweena Ekkaphan
- Scientific and Technological Research Equipment Center, Chulalongkorn University, Bangkok, Thailand
| | - Siriphat Ruengphayak
- Rice Science Center & Rice Gene Discovery Unit, Kasetsart University, Nakhon Pathom, Thailand
| | - Apichart Vanavichit
- Rice Science Center & Rice Gene Discovery Unit, Kasetsart University, Nakhon Pathom, Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand
| | - Nitima Suttipanta
- Faculty of Pharmaceutical Sciences, Ubon Ratchathani University, Ubon Ratchathani, Thailand
| | - Sornkanok Vimolmangkang
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Wanchai De-Eknamkul
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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Pitaloka MK, Caine RS, Hepworth C, Harrison EL, Sloan J, Chutteang C, Phunthong C, Nongngok R, Toojinda T, Ruengphayak S, Arikit S, Gray JE, Vanavichit A. Induced Genetic Variations in Stomatal Density and Size of Rice Strongly Affects Water Use Efficiency and Responses to Drought Stresses. Front Plant Sci 2022; 13:801706. [PMID: 35693177 PMCID: PMC9174926 DOI: 10.3389/fpls.2022.801706] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/28/2022] [Indexed: 05/31/2023]
Abstract
Rice (Oryza sativa L.) is an important food crop relied upon by billions of people worldwide. However, with increasing pressure from climate change and rapid population growth, cultivation is very water-intensive. Therefore, it is critical to produce rice that is high-yielding and genetically more water-use efficient. Here, using the stabilized fast-neutron mutagenized population of Jao Hom Nin (JHN) - a popular purple rice cultivar - we microscopically examined hundreds of flag leaves to identify four stomatal model mutants with either high density (HD) or low density (LD) stomata, and small-sized (SS) or large-sized (LS) stomata. With similar genetic background and uniformity, the stomatal model mutants were used to understand the role of stomatal variants on physiological responses to abiotic stress. Our results show that SS and HD respond better to increasing CO2 concentration and HD has higher stomatal conductance (gs) compared to the other stomatal model mutants, although the effects on gas exchange or overall plant performance were small under greenhouse conditions. In addition, the results of our drought experiments suggest that LD and SS can better adapt to restricted water conditions, and LD showed higher water use efficiency (WUE) and biomass/plant than other stomatal model mutants under long-term restricted water treatment. Finally, our study suggests that reducing stomata density and size may play a promising role for further work on developing a climate-ready rice variety to adapt to drought and heat stress. We propose that low stomata density and small size have high potential as genetic donors for improving WUE in climate-ready rice.
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Affiliation(s)
- Mutiara K. Pitaloka
- Faculty of Agriculture Kamphangsaen, Kasetsart University, Nakhon Pathom, Thailand
| | - Robert S. Caine
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield, United Kingdom
| | - Christopher Hepworth
- Department of Agronomy, Faculty of Agriculture Kamphangsaen, Kasetsart University, Nakhon Pathom, Thailand
| | - Emily L. Harrison
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield, United Kingdom
| | - Jennifer Sloan
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield, United Kingdom
| | - Cattleya Chutteang
- Department of Agronomy, Faculty of Agriculture Kamphangsaen, Kasetsart University, Nakhon Pathom, Thailand
| | | | - Rangsan Nongngok
- Rice Science Center, Kasetsart University, Nakhon Pathom, Thailand
| | - Theerayut Toojinda
- National Center of Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Thailand
| | | | - Siwaret Arikit
- Department of Agronomy, Faculty of Agriculture Kamphangsaen, Kasetsart University, Nakhon Pathom, Thailand
- Rice Science Center, Kasetsart University, Nakhon Pathom, Thailand
| | - Julie E. Gray
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield, United Kingdom
| | - Apichart Vanavichit
- Department of Agronomy, Faculty of Agriculture Kamphangsaen, Kasetsart University, Nakhon Pathom, Thailand
- Rice Science Center, Kasetsart University, Nakhon Pathom, Thailand
- National Center of Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Thailand
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Korinsak S, Wongsaprom C, Jamboonsri W, Sriprakhon S, Sirithunya K, Vanavichit A, Toojinda T. Identification of broad-spectrum resistance QTLs against rice blast fungus and their application in different rice genetic backgrounds. J Genet 2022; 101:16. [PMID: 35221310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Rice blast disease is found worldwide leading to economic losses. Use of resistance gene is effective to improve rice resistance variety. Therefore, to deploy genomic regions harbouring resistance genes, a population of 587 F2:6 recombinant inbred lines (RILs) was developed from a cross between Jao Hom Nin, a Thai black rice variety with broad-spectrum resistance to blast disease, and Kao Dawk Mali 105, a susceptible Thai jasmine variety. The RILs were challenged with 17 blast isolates collected from Thailand and Laos PDR. Quantitative trait locus analysis identified genomic regions associated with broad-spectrum quantitative resistance (qBSRLs) and racespecific quantitative resistance (qRSRLs). Two qBSRLs were detected on chromosomes 1 and 11, and two qRSRLs were detected on chromosomes 8 and 12. The two qBSRLs were introgressed into two new genetic backgrounds through marker-assisted selection (MAS). Twelve breeding lines were tested for their spectra of resistance against 35 blast isolates. The results indicated that both qBSRLs were effective in new genetic backgrounds. The flanking markers and qBSRLs identified in the large mapping population showed high selection accuracy and effectiveness, suggesting the routine deployment of MAS technique in rice breeding programmes.
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Affiliation(s)
- Siripar Korinsak
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Thailand Science Park, Phahonyothin Rd., Khlong Luang 12120, Pathum Thani, Thailand.
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Pitaloka MK, Harrison EL, Hepworth C, Wanchana S, Toojinda T, Phetluan W, Brench RA, Narawatthana S, Vanavichit A, Gray JE, Caine RS, Arikit S. Rice Stomatal Mega-Papillae Restrict Water Loss and Pathogen Entry. Front Plant Sci 2021; 12:677839. [PMID: 34149777 PMCID: PMC8213340 DOI: 10.3389/fpls.2021.677839] [Citation(s) in RCA: 1] [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] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 05/10/2021] [Indexed: 05/16/2023]
Abstract
Rice (Oryza sativa) is a water-intensive crop, and like other plants uses stomata to balance CO2 uptake with water-loss. To identify agronomic traits related to rice stomatal complexes, an anatomical screen of 64 Thai and 100 global rice cultivars was undertaken. Epidermal outgrowths called papillae were identified on the stomatal subsidiary cells of all cultivars. These were also detected on eight other species of the Oryza genus but not on the stomata of any other plant species we surveyed. Our rice screen identified two cultivars that had "mega-papillae" that were so large or abundant that their stomatal pores were partially occluded; Kalubala Vee had extra-large papillae, and Dharia had approximately twice the normal number of papillae. These were most accentuated on the flag leaves, but mega-papillae were also detectable on earlier forming leaves. Energy dispersive X-Ray spectrometry revealed that silicon is the major component of stomatal papillae. We studied the potential function(s) of mega-papillae by assessing gas exchange and pathogen infection rates. Under saturating light conditions, mega-papillae bearing cultivars had reduced stomatal conductance and their stomata were slower to close and re-open, but photosynthetic assimilation was not significantly affected. Assessment of an F3 hybrid population treated with Xanthomonas oryzae pv. oryzicola indicated that subsidiary cell mega-papillae may aid in preventing bacterial leaf streak infection. Our results highlight stomatal mega-papillae as a novel rice trait that influences gas exchange, stomatal dynamics, and defense against stomatal pathogens which we propose could benefit the performance of future rice crops.
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Affiliation(s)
- Mutiara K. Pitaloka
- Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand
| | - Emily L. Harrison
- Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, United Kingdom
| | - Christopher Hepworth
- Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Thailand
| | - Watchara Phetluan
- Center for Agricultural Biotechnology, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - Robert A. Brench
- Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, United Kingdom
| | - Supatthra Narawatthana
- Thailand Rice Science Institute, Rice Department, Ministry of Agriculture and Cooperatives (MOAC), Suphanburi, Thailand
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University, Nakhon Pathom, Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - Julie E. Gray
- Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, United Kingdom
- *Correspondence: Julie E. Gray,
| | - Robert S. Caine
- Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, United Kingdom
- Robert S. Caine,
| | - Siwaret Arikit
- Rice Science Center, Kasetsart University, Nakhon Pathom, Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
- Siwaret Arikit,
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Sattayachiti W, Wanchana S, Arikit S, Nubankoh P, Patarapuwadol S, Vanavichit A, Darwell CT, Toojinda T. Genome-Wide Association Analysis Identifies Resistance Loci for Bacterial Leaf Streak Resistance in Rice ( Oryza sativa L.). Plants (Basel) 2020; 9:E1673. [PMID: 33260392 PMCID: PMC7761455 DOI: 10.3390/plants9121673] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 10/06/2020] [Revised: 11/14/2020] [Accepted: 11/26/2020] [Indexed: 12/31/2022]
Abstract
Bacterial leaf streak (BLS) caused by Xanthomonas oryzae pv. oryzicola (Xoc) is one of the most devastating diseases in rice production areas, especially in humid tropical and subtropical zones throughout Asia and worldwide. A genome-wide association study (GWAS) analysis conducted on a collection of 236 diverse rice accessions, mainly indica varieties, identified 12 quantitative trait loci (QTLs) on chromosomes 1, 2, 3, 4, 5, 8, 9 and 11, conferring resistance to five representative isolates of Thai Xoc. Of these, five QTLs conferred resistance to more than one Xoc isolates. Two QTLs, qBLS5.1 and qBLS2.3, were considered promising QTLs for broad-spectrum resistance to BLS. The xa5 gene was proposed as a potential candidate gene for qBLS5.1 and three genes, encoding pectinesterase inhibitor (OsPEI), eukaryotic zinc-binding protein (OsRAR1), and NDP epimerase function, were proposed as candidate genes for qBLS2.3. Results from this study provide an insight into the potential QTLs and candidate genes for BLS resistance in rice. The recessive xa5 gene is suggested as a potential candidate for strong influence on broad-spectrum resistance and as a focal target in rice breeding programs for BLS resistance.
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Affiliation(s)
- Wannapa Sattayachiti
- Plant Breeding Program, Faculty of Agriculture at Kamphaeng Saen, Kesetsart University, Nakhon Pathom 73140, Thailand;
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand; (S.W.); (P.N.); (C.T.D.)
| | - Siwaret Arikit
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand; (S.A.); (A.V.)
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand
- Center of Excellence on Rice Precision Breeding for Food Security, Quality, and Nutrition, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand
| | - Phakchana Nubankoh
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand; (S.W.); (P.N.); (C.T.D.)
| | - Sujin Patarapuwadol
- Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand;
| | - Apichart Vanavichit
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand; (S.A.); (A.V.)
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand
- Center of Excellence on Rice Precision Breeding for Food Security, Quality, and Nutrition, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand
| | - Clive T. Darwell
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand; (S.W.); (P.N.); (C.T.D.)
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand; (S.W.); (P.N.); (C.T.D.)
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9
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Riangwong K, Wanchana S, Aesomnuk W, Saensuk C, Nubankoh P, Ruanjaichon V, Kraithong T, Toojinda T, Vanavichit A, Arikit S. Mining and validation of novel genotyping-by-sequencing (GBS)-based simple sequence repeats (SSRs) and their application for the estimation of the genetic diversity and population structure of coconuts ( Cocos nucifera L.) in Thailand. Hortic Res 2020; 7:156. [PMID: 33082963 PMCID: PMC7527488 DOI: 10.1038/s41438-020-00374-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/05/2020] [Accepted: 08/07/2020] [Indexed: 05/02/2023]
Abstract
Coconut (Cocos nucifera L.) is an important economic crop in tropical countries. However, the lack of a complete reference genome and the limitations of usable DNA markers hinder genomic studies and the molecular breeding of coconut. Here, we present the results of simple sequence repeat (SSR) mining from a high-throughput genotyping-by-sequencing (GBS) study of a collection of 38 coconut accessions. A total of 22,748 SSRs with di-, tri-, tetra-, penta- and hexanucleotide repeats of five or more were identified, 2451 of which were defined as polymorphic loci based on locus clustering in 38 coconut accessions, and 315 loci were suitable for the development of SSR markers. One hundred loci were selected, and primer pairs for each SSR locus were designed and validated in 40 coconut accessions. The analysis of 74 polymorphic markers identified between 2 and 9 alleles per locus, with an average of 3.01 alleles. The assessment of the genetic diversity and genetic relationships among the 40 coconut varieties based on the analysis of population structure, principal coordinate analysis (PCoA), and phylogenetic tree analysis using the 74 polymorphic SSR markers revealed three main groups of coconuts in Thailand. The identified SSR loci and SSR markers developed in this study will be useful for the study of coconut diversity and molecular breeding. The SSR mining approach used in this study could be applied to other plant species with a complex genome regardless of the availability of reference genome.
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Affiliation(s)
- Kanamon Riangwong
- Department of Biotechnology, Faculty of Engineering and Industrial Technology, Silpakorn University, Sanamchandra Palace Campus, Nakhon Pathom, 73000 Thailand
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang Pathum Thani, 12120 Thailand
| | - Wanchana Aesomnuk
- Center for Agricultural Biotechnology, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
| | - Chatree Saensuk
- Rice Science Center, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
| | - Phakchana Nubankoh
- Rice Science Center, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
| | - Vinitchan Ruanjaichon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang Pathum Thani, 12120 Thailand
| | - Tippaya Kraithong
- Chumphon Horticultural Research Center, Department of Agriculture, Bangkok, 10900 Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang Pathum Thani, 12120 Thailand
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
| | - Siwaret Arikit
- Rice Science Center, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, 73140 Thailand
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Nubankoh P, Wanchana S, Saensuk C, Ruanjaichon V, Cheabu S, Vanavichit A, Toojinda T, Malumpong C, Arikit S. QTL-seq reveals genomic regions associated with spikelet fertility in response to a high temperature in rice (Oryza sativa L.). Plant Cell Rep 2020; 39:149-162. [PMID: 31570974 DOI: 10.1007/s00299-019-02477-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Accepted: 09/24/2019] [Indexed: 06/10/2023]
Abstract
The QTL-seq approach was used to identify QTLs for spikelet fertility under heat stress in rice. QTLs were detected on chromosomes 1, 2 and 3. Rice is a staple food of more than half of the global population. Rice production is increasingly affected by extreme environmental fluctuations caused by climate change. Increasing temperatures that exceed the optimum temperature adversely affect rice growth and development, especially during reproductive stages. Heat stress during the reproductive stages has a large effect on spikelet fertility; hence, the yield decreases. To sustain rice yields under increasing temperatures, the development of rice varieties for heat tolerance is necessary. In this study, we applied the QTL-seq approach to rapidly identify QTLs for spikelet fertility under heat stress (air temperature of 40-45 °C) based on two DNA pools, each consisting of 25 individual plants that exhibited a heat-tolerant or heat-sensitive phenotype from an F2 population of a cross between M9962 (heat tolerant) and Sinlek (heat sensitive). Three QTLs, qSF1, qSF2 and qSF3, were detected on chromosomes 1, 2 and 3, respectively, according to the highest contrasting SNP index between the two bulks. The QTLs identified in this study were found to overlap or were linked to QTLs previously identified in other crosses using conventional QTL mapping. A few highly abundant and anther-specific genes that contain nonsynonymous variants were identified within the QTLs and were proposed to be potential candidate genes. These genes could be targets in rice breeding programs for heat tolerance.
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Affiliation(s)
- Phakchana Nubankoh
- Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Chatree Saensuk
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Vinitchan Ruanjaichon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Sulaiman Cheabu
- Faculty of Agriculture, Princess of Naradhiwas University, Naradhiwas, 96000, Thailand
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Chanate Malumpong
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Siwaret Arikit
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand.
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand.
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11
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Uawisetwathana U, Chevallier OP, Xu Y, Kamolsukyeunyong W, Nookaew I, Somboon T, Toojinda T, Vanavichit A, Goodacre R, Elliott CT, Karoonuthaisiri N. Global metabolite profiles of rice brown planthopper-resistant traits reveal potential secondary metabolites for both constitutive and inducible defenses. Metabolomics 2019; 15:151. [PMID: 31741127 DOI: 10.1007/s11306-019-1616-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 11/11/2019] [Indexed: 10/25/2022]
Abstract
INTRODUCTION Brown planthopper (BPH) is a phloem feeding insect that causes annual disease outbreaks, called hopper burn in many countries throughout Asia, resulting in severe damage to rice production. Currently, mechanistic understanding of BPH resistance in rice plant is limited, which has caused slow progression on developing effective rice varieties as well as effective farming practices against BPH infestation. OBJECTIVE To reveal rice metabolic responses during 8 days of BPH attack, this study examined polar metabolome extracts of BPH-susceptible (KD) and its BPH-resistant isogenic line (IL308) rice leaves. METHODS Ultra high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QToF-MS) was combined with multi-block PCA to analyze potential metabolites in response to BPH attack. RESULTS This multivariate statistical model revealed different metabolic response patterns between the BPH-susceptible and BPH-resistant varieties during BPH infestation. The metabolite responses of the resistant IL308 variety occurred on Day 1, which was significantly earlier than those of the susceptible KD variety which showed an induced response by Days 4 and 8. BPH infestation caused metabolic perturbations in purine, phenylpropanoid, flavonoid, and terpenoid pathways. While found in both susceptible and resistant rice varieties, schaftoside (1.8 fold), iso-schaftoside (1.7 fold), rhoifolin (3.4 fold) and apigenin 6-C-α-L-arabinoside-8-C-β-L-arabinoside levels (1.6 fold) were significantly increased in the resistant variety by Day 1 post-infestation. 20-hydroxyecdysone acetate (2.5 fold) and dicaffeoylquinic acid (4.7 fold) levels were considerably higher in the resistant rice variety than those in the susceptible variety, both before and after infestation, suggesting that these secondary metabolites play important roles in inducible and constitutive defenses against the BPH infestation. CONCLUSIONS These potential secondary metabolites will be useful as metabolite markers and/or bioactive compounds for effective and durable approaches to address the BPH problem.
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Affiliation(s)
- Umaporn Uawisetwathana
- Microarray Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Nueng, Khlong Luang, Pathumthani, 12120, Thailand.
| | - Olivier P Chevallier
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Yun Xu
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Wintai Kamolsukyeunyong
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Intawat Nookaew
- College of Medicine, Department Biomedical Informatics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Thapakorn Somboon
- Microarray Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Nueng, Khlong Luang, Pathumthani, 12120, Thailand
| | - Theerayut Toojinda
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
- Integrative Crop Biotechnology and Management Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Apichart Vanavichit
- Agronomy Department, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, Thailand
| | - Royston Goodacre
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Christopher T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Nitsara Karoonuthaisiri
- Microarray Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Nueng, Khlong Luang, Pathumthani, 12120, Thailand
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12
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Arikit S, Wanchana S, Khanthong S, Saensuk C, Thianthavon T, Vanavichit A, Toojinda T. QTL-seq identifies cooked grain elongation QTLs near soluble starch synthase and starch branching enzymes in rice (Oryza sativa L.). Sci Rep 2019; 9:8328. [PMID: 31171826 PMCID: PMC6554297 DOI: 10.1038/s41598-019-44856-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 05/24/2019] [Indexed: 01/29/2023] Open
Abstract
Grain quality is one of the main targets that rice breeders focus on to improve elite rice varieties. Several characteristics are considered when determine rice grain quality, such as aroma, amylose content (AC), gelatinization temperature (GT) and, especially, lengthwise grain elongation (GE). GE is a desirable feature in premium rice of high quality, such as India and Pakistan’ Basmati. Inheritance of GE in rice has not been clearly elucidated due to its complex and inconsistent pattern. In this study, we identified QTLs for GE in rice using bulk-segregant analysis (BSA) and whole-genome sequencing based on an F2 population segregated for GE as well as AC and GT. We identified two QTLs on chromosome 6, qGE6.1 and qGE6.2, and another QTL on chromosome 4, qGE4.1. qGE6.1 and qGE6.2 were located near starch synthase IIa (SSIIa) and starch branching enzyme III (SBEIII), respectively, and qGE4.1 was located near starch branching enzyme IIa (SBEIIa). qGE6.1 was considered to be the major QTL for GE based on this population, and SSIIa was suggested to be the best candidate gene associated with the GE trait. The results of this study may be useful for breeding rice with increased grain elongation and different starch properties.
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Affiliation(s)
- Siwaret Arikit
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand.,Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Srisawat Khanthong
- Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Chatree Saensuk
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Tripop Thianthavon
- Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Apichart Vanavichit
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand.,Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand.
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13
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Kamolsukyeunyong W, Ruengphayak S, Chumwong P, Kusumawati L, Chaichoompu E, Jamboonsri W, Saensuk C, Phoonsiri K, Toojinda T, Vanavichit A. Identification of spontaneous mutation for broad-spectrum brown planthopper resistance in a large, long-term fast neutron mutagenized rice population. Rice (N Y) 2019; 12:16. [PMID: 30888525 PMCID: PMC6424995 DOI: 10.1186/s12284-019-0274-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 02/25/2019] [Indexed: 05/09/2023]
Abstract
BACKGROUND The development of rice varieties with broad-spectrum resistance to insect pests is the most promising approach for controlling a fast evolving insect pest such as the brown planthopper (BPH). To cope with rapid evolution, discovering new sources of broad-spectrum resistance genes is the ultimate goal. RESULTS We used a forward genetics approach to identify BPH resistance genes in rice (Oryza sativa L.) using double digest restriction site-associated DNA sequencing (ddRADseq) for quantitative trait loci (QTL)-seq of the backcross inbred lines (BILs) derived from a cross between the BPH-susceptible cultivar KDML105 and BPH-resistant cultivar Rathu Heenati (RH). Two major genomic regions, located between 5.78-7.78 Mb (QBPH4.1) and 15.22-17.22 Mb (QBPH4.2) on rice chromosome 4, showed association with BPH resistance in both pooled BILs and individual highly resistant and susceptible BILs. The two most significant candidate resistance genes located within the QBPH4.1 and QBPH4.2 windows were lectin receptor kinase 3 (OsLecRK3) and sesquiterpene synthase 2 (OsSTPS2), respectively. Functional markers identified in these two genes were used for reverse screening 9323 lines of the fast neutron (FN)-mutagenized population developed from the BPH-susceptible, purple-pigmented, indica cultivar Jao Hom Nin (JHN). Nineteen FN-mutagenized lines (0.24%) carried mutations in the OsLecRK3 and/or OsSTPS2 gene. Among these mutant lines, only one highly resistant line (JHN4) and three moderately resistant lines (JHN09962, JHN12005, and JHN19525) were identified using three active, local BPH populations. The 19 mutant lines together with three randomly selected mutant lines, which did not harbor mutations in the two target genes, were screened further for mutations in six known BPH resistance genes including BPH9, BPH14, BPH18, BPH26, BPH29, and BPH32. Multiple single nucleotide polymorphisms (SNPs) and insertion-deletion (Indel) mutations were identified, which formed gene-specific haplotype patterns (HPs) essential for broad-spectrum resistance to BPH in both BILs and JHN mutant populations. CONCLUSION On the one hand, HPs of OsLekRK2-3, OsSTPS2, and BPH32 determined broad-spectrum resistance to BPH among RH-derived BILs. On the other hand, in the JHN mutant population, BPH9 together with seven significant genes on chromosome 4 played a crucial role in BPH resistance.
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Affiliation(s)
- Wintai Kamolsukyeunyong
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
| | - Siriphat Ruengphayak
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - Pantharika Chumwong
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
| | - Lucia Kusumawati
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
| | - Ekawat Chaichoompu
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
- Interdisciplinary Graduate Program in Genetic Engineering and Bioinformatics, Kasetsart University, Chatuchak, Bangkok Thailand
| | - Watchareewan Jamboonsri
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
| | - Chatree Saensuk
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - Kunyakarn Phoonsiri
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - Theerayut Toojinda
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
- Integrative Crop Biotechnology and Management Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
| | - Apichart Vanavichit
- Rice Gene Discovery and Utilization Laboratory, Innovative Plant Biotechnology and Precision Agriculture Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani Thailand
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
- Agronomy Department, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom Thailand
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14
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Korinsak S, Tangphatsornruang S, Pootakham W, Wanchana S, Plabpla A, Jantasuriyarat C, Patarapuwadol S, Vanavichit A, Toojinda T. Genome-wide association mapping of virulence gene in rice blast fungus Magnaporthe oryzae using a genotyping by sequencing approach. Genomics 2018; 111:661-668. [PMID: 29775784 DOI: 10.1016/j.ygeno.2018.05.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 05/04/2018] [Accepted: 05/11/2018] [Indexed: 01/22/2023]
Abstract
Magnaporthe oryzae is a fungal pathogen causing blast disease in many plant species. In this study, seventy three isolates of M. oryzae collected from rice (Oryza sativa) in 1996-2014 were genotyped using a genotyping-by-sequencing approach to detect genetic variation. An association study was performed to identify single nucleotide polymorphisms (SNPs) associated with virulence genes using 831 selected SNP and infection phenotypes on local and improved rice varieties. Population structure analysis revealed eight subpopulations. The division into eight groups was not related to the degree of virulence. Association mapping showed five SNPs associated with fungal virulence on chromosome 1, 2, 3, 4 and 7. The SNP on chromosome 1 was associated with virulence against RD6-Pi7 and IRBL7-M which might be linked to the previously reported AvrPi7.
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Affiliation(s)
- Siripar Korinsak
- Plant Breeding Program, Faculty of Agriculture at Kamphaeng Saen, Kesetsart University, Nakhon Pathom 73140, Thailand
| | - Sithichoke Tangphatsornruang
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand
| | - Wirulda Pootakham
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand
| | - Anucha Plabpla
- Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Bangkok 10900, Thailand
| | | | - Sujin Patarapuwadol
- Department of Plant Pathology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Apichart Vanavichit
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand; Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140, Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Pahonyothin Road, Khlong Nueng, Khlong Luang, PathumThani 12120, Thailand.
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15
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Vanavichit A, Kamolsukyeunyong W, Siangliw M, Siangliw JL, Traprab S, Ruengphayak S, Chaichoompu E, Saensuk C, Phuvanartnarubal E, Toojinda T, Tragoonrung S. Thai Hom Mali Rice: Origin and Breeding for Subsistence Rainfed Lowland Rice System. Rice (N Y) 2018; 11:20. [PMID: 29633040 PMCID: PMC5891439 DOI: 10.1186/s12284-018-0212-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 03/20/2018] [Indexed: 05/09/2023]
Abstract
The world-renowned Thai Hom Mali Rice has been the most important aromatic rice originating in Thailand. The aromatic variety was collected from Chachoengsao, a central province, and after pure-line selection, it was officially named as Khao Dawk Mali 105, (KDML105). Because of its superb fragrance and cooking quality, KDML105 has been a model variety for studying genes controlling grain quality and aroma. The aromatic gene was cloned in KDML105, as an amino aldehyde dehydrogenase (AMADH) or better known as BADH2 located on chromosome 8. Later on, all other aromatic rice genes were discovered as allelic to the AMADH. As a selection of local landrace variety found in rainfed areas, the Thai Jasmine rice showed adaptive advantages over improved irrigated rice in less fertile lowland rainfed conditions. Because KDML105 was susceptible to most diseases and insect pests, marker-assisted backcross selection (MABC) was used for the genetic improvement since 2000. After nearly 17 years of MABC for integrating new traits into KDML105, a new generation of KDML105, designated HM84, was developed which maintains the cooking quality and fragrance, and has gained advantages during flash flooding, disease, and insect outbreak.
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Affiliation(s)
- Apichart Vanavichit
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
- Agronomy Department, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | - Wintai Kamolsukyeunyong
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | - Meechai Siangliw
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | - Jonaliza L. Siangliw
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | - Suniyom Traprab
- Bureau of Rice Research and Development (Rice Department), 50 Paholyothin Rd, Chatuchak, Bangkok, 10900 Thailand
| | - Siriphat Ruengphayak
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | - Ekawat Chaichoompu
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | - Chatree Saensuk
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
| | | | - Theerayut Toojinda
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140 Thailand
- Plant Biotechnology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, 113 Thailand Science Park, Khlong Luang, Pathum Thani, 12120 Thailand
| | - Somvong Tragoonrung
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, 113 Thailand Science Park, Khlong Luang, Pathum Thani, 12120 Thailand
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16
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Chaipanya C, Telebanco-Yanoria MJ, Quime B, Longya A, Korinsak S, Korinsak S, Toojinda T, Vanavichit A, Jantasuriyarat C, Zhou B. Dissection of broad-spectrum resistance of the Thai rice variety Jao Hom Nin conferred by two resistance genes against rice blast. Rice (N Y) 2017; 10:18. [PMID: 28493203 PMCID: PMC5425360 DOI: 10.1186/s12284-017-0159-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Accepted: 05/04/2017] [Indexed: 05/19/2023]
Abstract
BACKGROUND Rice (Oryza sativa) is one of the most important food crops in the world. Rice blast, caused by the fungal pathogen Magnaporthe oryzae, is one of the most destructive rice diseases worldwide. To effectively cope with this problem, the use of rice blast resistance varieties through innovative breeding programs is the best strategy to date. The Thai rice variety Jao Hom Nin (JHN) showed broad-spectrum resistance against Thai rice blast isolates. Two QTLs for blast resistance in JHN were reported on chromosome 1 (QTL1) and 11 (QTL11). RESULTS Monogenic lines of QTL1 (QTL1-C) and QTL11 (QTL11-C) in the CO39 genetic background were generated. Cluster analysis based on the disease reaction pattern of QTL1-C and QTL11-C, together with IRBLs, showed that those two monogenic lines were clustered with IRBLsh-S (Pish) and IRBL7-M (Pi7), respectively. Moreover, sequence analysis revealed that Pish and Pi7 were embedded within the QTL1 and QTL11 delimited genomic intervals, respectively. This study thus concluded that QTL1 and QTL11 could encode alleles of Pish and Pi7, designated as Pish-J and Pi7-J, respectively. To validate this hypothesis, the genomic regions of Pish-J and Pi7-J were cloned and sequenced. Protein sequence comparison revealed that Pish-J and Pi7-J were identical to Pish and Pi7, respectively. The holistic disease spectrum of JHN was found to be exactly attributed to the additive ones of both QTL1-C and QTL11-C. CONCLUSION JHN showed broad spectrum resistance against Thai and Philippine rice blast isolates. As this study demonstrated, the combination of two resistance genes, Pish-J and Pi7-J, in JHN, with each controlling broad-spectrum resistance to rice blast disease, explains the high level of resistance. Thus, the combination of Pish and Pi7 can provide a practical scheme for breeding durable resistance in rice against rice blast disease.
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Affiliation(s)
- Chaivarakun Chaipanya
- Department of Genetics, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
- Genetics and Biotechnology Division, International Rice Research Institute, Los Baños, Laguna, 4031, Philippines
| | | | - Berlaine Quime
- Genetics and Biotechnology Division, International Rice Research Institute, Los Baños, Laguna, 4031, Philippines
| | - Apinya Longya
- Department of Genetics, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
| | - Siripar Korinsak
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Siriporn Korinsak
- Rice Gene Discovery Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Theerayut Toojinda
- Plant Biotechnology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand
- Agronomy Department Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, 73140, Thailand
| | - Chatchawan Jantasuriyarat
- Department of Genetics, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand.
- Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University (CASNAR, NRU-KU), Chatuchak, Bangkok, 10900, Thailand.
| | - Bo Zhou
- Genetics and Biotechnology Division, International Rice Research Institute, Los Baños, Laguna, 4031, Philippines.
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Ruangnam S, Wanchana S, Phoka N, Saeansuk C, Mahatheeranont S, de Hoop SJ, Toojinda T, Vanavichit A, Arikit S. A deletion of the gene encoding amino aldehyde dehydrogenase enhances the "pandan-like" aroma of winter melon (Benincasa hispida) and is a functional marker for the development of the aroma. Theor Appl Genet 2017; 130:2557-2565. [PMID: 28887587 DOI: 10.1007/s00122-017-2976-3] [Citation(s) in RCA: 13] [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] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Accepted: 08/30/2017] [Indexed: 05/16/2023]
Abstract
The gene conferring a "pandan-like" aroma of winter melon was identified. The sequence variation (804-bp deletion) found in the gene was used as the target for functional marker development. Winter melon (Benincasa hispida), a member of the Cucurbitaceae family, is a commonly consumed vegetable in Asian countries that is popular for its nutritional and medicinal value. A "pandan-like" aroma, which is economically important in crops including rice and soybean, is rarely found in most commercial varieties of winter melon, but is present in some landraces. This aroma is a value-added potential trait in breeding winter melon with a higher economic value. In this study, we confirmed that the aroma of winter melon is due to the potent volatile compound 2-acetyl-1-pyrroline (2AP) as previously identified in other plants. Based on an analysis of public transcriptome data, BhAMADH encoding an aminoaldehyde dehydrogenase (AMADH) was identified as a candidate gene conferring aroma of winter melon. A sequence comparison of BhAMADH between the aromatic and non-aromatic accessions revealed an 804-bp deletion encompassing exons 11-13 in the aromatic accession. The deletion caused several premature stop codons and could result in a truncated protein with a length of only 208 amino acids compared with 503 amino acids in the normal protein. A functional marker was successfully developed based on the 804-bp deletion and validated in 237 F2 progenies. A perfect association of the marker genotypes and aroma phenotypes indicates that BhAMADH is the major gene conferring the aroma. The recently developed functional marker could be efficiently used in breeding programs for the aroma trait in winter melon.
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Affiliation(s)
- Saowalak Ruangnam
- Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
- Hortigenetics Research (S.E. Asia) Limited, Suphanburi, 72190, Thailand
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Nongnat Phoka
- King Mongkut's University of Technology Thonburi, Ratchaburi Campus, Ratchaburi, 70150, Thailand
| | - Chatree Saeansuk
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
- Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Bangkok, Thailand
| | - Sugunya Mahatheeranont
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Simon Jan de Hoop
- Hortigenetics Research (S.E. Asia) Limited, Suphanburi, 72190, Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 7314, Thailand
| | - Siwaret Arikit
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand.
- Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 7314, Thailand.
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Saensuk C, Wanchana S, Choowongkomon K, Wongpornchai S, Kraithong T, Imsabai W, Chaichoompu E, Ruanjaichon V, Toojinda T, Vanavichit A, Arikit S. De novo transcriptome assembly and identification of the gene conferring a "pandan-like" aroma in coconut (Cocos nucifera L.). Plant Sci 2016; 252:324-334. [PMID: 27717469 DOI: 10.1016/j.plantsci.2016.08.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 08/26/2016] [Accepted: 08/27/2016] [Indexed: 06/06/2023]
Abstract
Thailand's aromatic coconut (Cocos nucifera L.) is a special type of green dwarf coconut, the liquid endosperm of which is characterized by a pleasant "pandan-like" aroma due to the presence of 2-acetyl-1-pyrroline (2AP). The aim of this study was to perform a de novo assembly of transriptome from C. nucifera endosperm and to identify the gene responsible for 2AP biosynthesis. CnAMADH2 was identified as an ortholog of the rice aromatic gene and a G-to-C substitution found in exon 14 was associated with 2AP content in the aromatic green dwarf coconut accessions. The base substitution caused an amino-acid change, alanine-to-proline, at position 442 (P442A). The presence of P at this position might alter the steric conformation at the loop region and subsequently result in an unstabilized dimer conformation that could lower AMADH enzyme activity. Among AMADH/BADH protein sequences in different plant species, the P442A mutation was found exclusively in aromatic coconut. The PCR marker developed based on this sequence variation can perfectly detect the aromatic and non-aromatic alleles of the gene. This study confirms the hypothesis that plants may share a mechanism of 2AP biosynthesis. This is the first identification of the gene associated with 2AP biosynthesis in a tree plant.
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Affiliation(s)
- Chatree Saensuk
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand; Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Bangkok, 10900, Thailand
| | - Samart Wanchana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand
| | - Sugunya Wongpornchai
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Tippaya Kraithong
- Chumphon Horticultural Research Center, Department of Agriculture, Bangkok, 10900, Thailand
| | - Wachiraya Imsabai
- Department of Horticulture, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Ekawat Chaichoompu
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Vinitchan Ruanjaichon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Theerayut Toojinda
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, 12120, Thailand
| | - Apichart Vanavichit
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand; Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand
| | - Siwaret Arikit
- Rice Science Center, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand; Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, 73140, Thailand.
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Ruengphayak S, Ruanjaichon V, Saensuk C, Phromphan S, Tragoonrung S, Kongkachuichai R, Vanavichit A. Forward screening for seedling tolerance to Fe toxicity reveals a polymorphic mutation in ferric chelate reductase in rice. Rice (N Y) 2015; 8:36. [PMID: 26054239 PMCID: PMC4883132 DOI: 10.1186/s12284-014-0036-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 12/11/2014] [Indexed: 05/07/2023]
Abstract
BACKGROUND Rice contains the lowest grain Fe content among cereals. One biological limiting factor is the tolerance of rice to Fe toxicity. Reverse and forward genetic screenings were used to identify tolerance to Fe toxicity in 4,500 M4 lines irradiated by fast neutrons (FN). FINDINGS Fe-tolerant mutants were successfully isolated. In the forward screen, we selected five highly tolerant and four highly intolerant mutants based on the response of seedlings to 300 ppm Fe. Reverse screening based on the polymorphic coding sequence of seven Fe homeostatic genes detected by denaturing high performance liquid chromatography (dHPLC) revealed MuFRO1, a mutant for OsFRO1 (LOC_Os04g36720). The MuFRO1 mutant tolerated Fe toxicity in the vegetative stage and had 21-30% more grain Fe content than its wild type. All five highly Fe-tolerant mutants have the same haplotype as the MuFRO1, confirming the important role of OsFRO1 in Fe homeostasis in rice. CONCLUSIONS FN radiation generated extreme Fe-tolerant mutants capable of tolerating different levels of Fe toxicity in the lowland rice environment. Mutants from both reverse and forward screens suggested a role for OsFRO1 in seedling tolerance to Fe toxicity. The MuFRO1 mutant could facilitate rice production in the high-Fe soil found in Southeast Asia.
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Affiliation(s)
- Siriphat Ruengphayak
- />Rice Science Center, Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
- />Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Chatuchak Bangkok, 10900 Thailand
| | - Vinitchan Ruanjaichon
- />Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaengsaen Nakhon Pathom, 73140 Thailand
| | - Chatree Saensuk
- />Rice Science Center, Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
| | - Supaporn Phromphan
- />Rice Science Center, Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
| | - Somvong Tragoonrung
- />Genome Institute, National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120 Thailand
| | | | - Apichart Vanavichit
- />Rice Science Center, Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
- />Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaengsaen Nakhon Pathom, 73140 Thailand
- />Agronomy Department, Faculty of Agriculture at Kamphaengsaen, Kasetsart University, Kamphaengsaen Nakhon Pathom, 73140 Thailand
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Ruengphayak S, Chaichumpoo E, Phromphan S, Kamolsukyunyong W, Sukhaket W, Phuvanartnarubal E, Korinsak S, Korinsak S, Vanavichit A. Pseudo-backcrossing design for rapidly pyramiding multiple traits into a preferential rice variety. Rice (N Y) 2015; 8:7. [PMID: 25844112 PMCID: PMC4384721 DOI: 10.1186/s12284-014-0035-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Accepted: 12/10/2014] [Indexed: 05/19/2023]
Abstract
BACKGROUND Pyramiding multiple genes into a desirable genetic background can take years to accomplish. In this paper, a pseudo-backcrossing scheme was designed to shorten the backcrossing cycle needed. PinK3, an aromatic and potentially high-yielding rice variety-although one that is intolerant to flash flooding (Sub) and susceptible to bacterial leaf blight (BB), leaf-neck blast (BL) and the brown planthopper (BPH)-was used as a genetic basis for significant improvements through gene pyramiding. RESULTS Four resistance donors with five target genes (Sub1A-C, xa5, Xa21, TPS and SSIIa) and three QTLs (qBph3, qBL1 and qBL11) were backcrossed individually using markers into the pseudo-recurrent parent 'PinK3' via one cycle of backcrossing followed by two cycles of pseudo-backcrossing and three selfings with rigorous foreground marker-assisted selection. In total, 29 pseudo-backcross inbred lines (BILs) were developed. Genome composition was surveyed using 61 simple sequence repeats (SSRs), 35 of which were located on six carrier chromosomes, with the remainder located on six non-carrier chromosomes. The recurrent genome content (%RGC) and donor genome content (%DGC), which were based on the physical positions of BC1F2, ranged from 69.99 to 88.98% and 11.02 to 30.01%, respectively. For the pseudo-BC3F3BILs, the %RGC and %DGC ranged from 74.50 to 81.30% and 18.70 to 25.50%, respectively. These results indicated that without direct background selection, no further increases in %RGC were obtained during pseudo-backcrossing, whereas rigorous foreground marker-assisted selection tended to reduce linkage drag during pseudo-backcrossing. The evaluation of new traits in selected pseudo-BC3F3BILs indicated significant improvements in resistance to BB, BL, BPH and Sub compared with PinK3, as well as significant improvements in grain yield (21-68%) over the donors, although yield was 7-26% lower than in 'PinK3'. All pyramided lines were aromatic and exhibited improved starch profiles, rendering them suitable for industrial food applications. CONCLUSIONS Results show that our new pyramiding platform, which is based on marker-assisted pseudo-backcrossing, can fix five target genes and three QTLs into a high-yielding pseudo-recurrent background within seven breeding cycles in four years. This multiple pseudo-backcrossing platform decreases the time required to generate new rice varieties exhibiting complex, durable resistance to biotic and abiotic stresses in backgrounds with desirable qualities.
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Affiliation(s)
- Siriphat Ruengphayak
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
- />Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Chatuchak, Bangkok 10900 Thailand
| | - Ekawat Chaichumpoo
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | - Supaporn Phromphan
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | - Wintai Kamolsukyunyong
- />Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology (BIOTEC) National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
| | - Wissarut Sukhaket
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | | | - Siripar Korinsak
- />Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology (BIOTEC) National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
| | - Siriporn Korinsak
- />Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology (BIOTEC) National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
| | - Apichart Vanavichit
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
- />Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology (BIOTEC) National Science and Technology Development Agency (NSTDA), Kasetsart University, Kamphaengsaen, Nakhon Pathom 73140 Thailand
- />Agronomy Department, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
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Kamolsukyunyong W, Sukhaket W, Ruanjaichon V, Toojinda T, Vanavichit A. Single-feature polymorphism mapping of isogenic rice lines identifies the influence of terpene synthase on brown planthopper feeding preferences. Rice (N Y) 2013; 6:18. [PMID: 24280452 PMCID: PMC4883687 DOI: 10.1186/1939-8433-6-18] [Citation(s) in RCA: 15] [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] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 07/01/2013] [Indexed: 05/23/2023]
Abstract
BACKGROUND Bph3, a major brown planthopper (BPH) resistance locus derived from the rice cultivar Rathu Heenati (RH), has been used as a stable donor of traits that improve highly susceptible aromatic rice varieties in Thailand. Map-based cloning was initiated using a set of isogenic lines (ILs) harboring the major Bph3 locus on chromosome 6. IL genomes were scanned with a 57 K Affymetrix Rice GeneChip to identify the gene responsible for Bph3. FINDINGS Single-feature polymorphism (SFP) mapping was used to localize 84 candidate genes. An expression analysis of 15 selected candidate genes in the aromatic rice cultivar KDML105 (KD) and the ILs under normal conditions revealed two differentially expressed sequences. Following hopper feeding, only one candidate gene, Os04g27430, was differentially expressed. Os04g27430 encodes a putative sesquiterpene synthase (STPS) gene that was induced by BPH feeding in ILs. An antixenosis test in three selected ILs revealed a major role for STPS in insect preference during the first 120 hours of the rice-insect interaction. Functional SNPs in exon 5 that resulted in the deletion of seven amino acids in the susceptible rice line were identified. Moreover, three additional SNPs associated with three transcription binding sites were also identified, which might explain the differential response of Os04g27430 during the anti-feeding test. CONCLUSION Os04g27430 is the second known rice STPS induced by BPH. The gene may involve an antixenosis BPH resistance mechanism. The combination of the STPS and the Bph3 locus was more effective than Bph3 alone in the tested ILs.
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Affiliation(s)
- Wintai Kamolsukyunyong
- />Rice Gene Discovery Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
- />Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Chatuchak, Bangkok, 10900 Thailand
| | - Wissarut Sukhaket
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | - Vinitchan Ruanjaichon
- />Rice Gene Discovery Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | - Theerayut Toojinda
- />Rice Gene Discovery Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | - Apichart Vanavichit
- />Rice Gene Discovery Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
- />Rice Science Center, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
- />Agronomy Department, Faculty of Agriculture, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
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Prangthip P, Surasiang R, Charoensiri R, Leardkamolkarn V, Komindr S, Yamborisut U, Vanavichit A, Kongkachuichai R. Amelioration of hyperglycemia, hyperlipidemia, oxidative stress and inflammation in steptozotocin-induced diabetic rats fed a high fat diet by riceberry supplement. J Funct Foods 2013. [DOI: 10.1016/j.jff.2012.10.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Myint KM, Courtois B, Risterucci AM, Frouin J, Soe K, Thet KM, Vanavichit A, Glaszmann JC. Specific patterns of genetic diversity among aromatic rice varieties in Myanmar. Rice (N Y) 2012; 5:20. [PMID: 27234242 PMCID: PMC5520840 DOI: 10.1186/1939-8433-5-20] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2011] [Accepted: 05/16/2012] [Indexed: 05/07/2023]
Abstract
BACKGROUND After observing peculiar rice varieties in Myanmar, in terms of classification in varietal groups and of grain quality, we focused on Myanmar varieties and analyzed variations at 19 microsatellite loci as well as sequences of the aroma gene BADH2. RESULTS Microsatellites were able to retrieve the well-established classification into Indica (isozyme group 1), Japonica (group 6, comprising temperate and tropical forms) and specific groups from the Himalayan foothills including some Aus varieties (group 2) and some aromatic varieties (group 5). They revealed a new cluster of accessions close to, but distinct from, non-Myanmar varieties in group 5. With reference to earlier terminology, we propose to distinguish a group "5A" including group 5 varieties from the Indian subcontinent (South and West Asia) and a group "5B" including most group 5 varieties from Myanmar. In Myanmar varieties, aroma was distributed in group 1 (Indica) and in group 5B. New BADH2 variants were found. Some accessions carried a 43 bp deletion in the 3' UTR that was not completely associated with aroma. Other accessions, all of group 5B, displayed a particular BADH2 allele with a 3 bp insertion and 100% association with aroma. CONCLUSION With the new group and the new alleles found in Myanmar varieties, our study shows that the Himalayan foothills contain series of non-Indica and non-Japonica varietal types with novel variations for useful traits.
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Affiliation(s)
- Khin Myo Myint
- Plant Biotechnology Center, Myanma Agriculture Service, Yangon, Myanmar
- Rice Science Center and Rice Gene Discovery, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
| | | | | | - Julien Frouin
- Cirad, UMR AGAP, Avenue Agropolis, 34398 Montpellier, France
| | - Khin Soe
- Department of Agricultural research, Yezin, Nay Pyi Taw, Myanmar
| | - Khin Maung Thet
- Plant Biotechnology Center, Myanma Agriculture Service, Yangon, Myanmar
| | - Apichart Vanavichit
- Rice Science Center and Rice Gene Discovery, Kasetsart University, Kamphaeng Saen, Nakhon Pathom 73140 Thailand
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Pitija K, Nakornriab M, Sriseadka T, Vanavichit A, Wongpornchai S. Anthocyanin content and antioxidant capacity in bran extracts of some Thai black rice varieties. Int J Food Sci Technol 2012. [DOI: 10.1111/j.1365-2621.2012.03187.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kitsada Pitija
- Center of Excellence for Innovation in Chemistry; Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai; 50200; Thailand
| | - Muntana Nakornriab
- Department of Chemistry; Mahasarakham University; Mahasarakham; 44150; Thailand
| | - Tinakorn Sriseadka
- Center of Excellence for Innovation in Chemistry; Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai; 50200; Thailand
| | - Apichart Vanavichit
- Department of Agronomy; Kasetsart University Kamphaeng Saen; Nakhon Pathom; 73140; Thailand
| | - Sugunya Wongpornchai
- Center of Excellence for Innovation in Chemistry; Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai; 50200; Thailand
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Myint KM, Arikit S, Wanchana S, Yoshihashi T, Choowongkomon K, Vanavichit A. A PCR-based marker for a locus conferring the aroma in Myanmar rice (Oryza sativa L.). Theor Appl Genet 2012; 125:887-96. [PMID: 22576235 DOI: 10.1007/s00122-012-1880-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2011] [Accepted: 04/19/2012] [Indexed: 05/16/2023]
Abstract
Aromatic rice is an important commodity for international trade, which has encouraged the interest of rice breeders to identify the genetic control of rice aroma. The recessive Os2AP gene, which is located on chromosome 8, has been reported to be associated with rice aroma. The 8-bp deletion in exon 7 is an aromatic allele that is present in most aromatic accessions, including the most popular aromatic rice varieties, Jasmine and Basmati. However, other mutations associated with aroma have been detected, but the other mutations are less frequent. In this study, we report an aromatic allele, a 3-bp insertion in exon 13 of Os2AP, as a major allele found in aromatic rice varieties from Myanmar. The insertion is in frame and causes an additional tyrosine (Y) in the amino acid sequence. However, the mutation does not affect the expression of the Os2AP gene. A functional marker for detecting this allele was developed and tested in an aroma-segregating F(2) population. The aroma phenotypes and genotypes showed perfect co-segregation of this population. The marker was also used for screening a collection of aromatic rice varieties collected from different geographical sites of Myanmar. Twice as many aromatic Myanmar rice varieties containing the 3-bp insertion allele were found as the varieties containing the 8-bp deletion allele, which suggested that the 3-bp insertion allele originated in regions of Myanmar.
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Affiliation(s)
- Khin Myo Myint
- Tropical Agriculture Program, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
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Wongpanya R, Boonyalai N, Thammachuchourat N, Horata N, Arikit S, Myint KM, Vanavichit A, Choowongkomon K. Biochemical and enzymatic study of rice BADH wild-type and mutants: an insight into fragrance in rice. Protein J 2012; 30:529-38. [PMID: 21959793 DOI: 10.1007/s10930-011-9358-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Betaine aldehyde dehydrogenase 2 (BADH2) is believed to be involved in the accumulation of 2-acetyl-1-pyrroline (2AP), one of the major aromatic compounds in fragrant rice. The enzyme can oxidize ω-aminoaldehydes to the corresponding ω-amino acids. This study was carried out to investigate the function of wild-type BADHs and four BADH2 mutants: BADH2_Y420, containing a Y420 insertion similar to BADH2.8 in Myanmar fragrance rice, BADH2_C294A, BADH2_E260A and BADH2_N162A, consisting of a single catalytic-residue mutation. Our results showed that the BADH2_Y420 mutant exhibited less catalytic efficiency towards γ-aminobutyraldehyde but greater efficiency towards betaine aldehyde than wild-type. We hypothesized that this point mutation may account for the accumulation of γ-aminobutyraldehyde/Δ(1)-pyrroline prior to conversion to 2AP, generating fragrance in Myanmar rice. In addition, the three catalytic-residue mutants confirmed that residues C294, E260 and N162 were involved in the catalytic activity of BADH2 similar to those of other BADHs.
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Affiliation(s)
- Ratree Wongpanya
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
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Kuaprasert B, Silprasit K, Horata N, Khunrae P, Wongpanya R, Boonyalai N, Vanavichit A, Choowongkomon K. Purification, crystallization and preliminary X-ray analysis of recombinant betaine aldehyde dehydrogenase 2 (OsBADH2), a protein involved in jasmine aroma, from Thai fragrant rice (Oryza sativa L.). Acta Crystallogr Sect F Struct Biol Cryst Commun 2011; 67:1221-3. [PMID: 22102032 DOI: 10.1107/s1744309111030971] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2011] [Accepted: 08/01/2011] [Indexed: 11/10/2022]
Abstract
Fragrant rice (Oryza sativa L.) betaine aldehyde dehydrogenase 2 (OsBADH2) is a key enzyme in the synthesis of fragrance aroma compounds. The extremely low activity of OsBADH2 in catalyzing the oxidation of acetaldehyde is believed to be crucial for the accumulation of the volatile compound 2-acetyl-1-pyrroline (2AP) in many scented plants, including fragrant rice. Recombinant fragrant rice OsBADH2 was expressed in Escherichia coli as an N-terminal hexahistidine fusion protein, purified using Ni Sepharose affinity chromatography and crystallized using the microbatch method. Initial crystals were obtained within 24 h using 0.1 M Tris pH 8.5 with 30%(w/v) PEG 4000 and 0.2 M magnesium chloride as the precipitating agent at 291 K. Crystal quality was improved when the enzyme was cocrystallized with NAD(+). Improved crystals were grown in 0.1 M HEPES pH 7.4, 24%(w/v) PEG 4000 and 0.2 M ammonium chloride and diffracted to beyond 2.95 Å resolution after being cooled in a stream of N(2) immediately prior to X-ray diffraction experiments. The crystals belonged to space group C222(1), with unit-cell parameters a = 66.03, b = 183.94, c = 172.28 Å. An initial molecular-replacement solution has been obtained and refinement is in progress.
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Affiliation(s)
- Buabarn Kuaprasert
- Synchrotron Light Research Institute (Public Organization), 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand.
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Arikit S, Yoshihashi T, Wanchana S, Tanya P, Juwattanasomran R, Srinives P, Vanavichit A. A PCR-based marker for a locus conferring aroma in vegetable soybean (Glycine max L.). Theor Appl Genet 2011; 122:311-6. [PMID: 20852988 DOI: 10.1007/s00122-010-1446-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2010] [Accepted: 09/04/2010] [Indexed: 05/16/2023]
Abstract
Vegetable soybean (Glycine max L.) is an important economic and nutritious crop in South and Southeast Asian countries and is increasingly grown in the Western Hemisphere. Aromatic vegetable soybean is a special group of soybean varieties that produce young pods containing a sweet aroma, which is produced mainly by the volatile compound 2-acetyl-1-pyrroline (2AP). Due to the aroma, the aromatic vegetable soybean commands higher market prices and gains wider acceptance from unfamiliar consumers. We have previously reported that the GmAMADH2 gene encodes an AMADH that regulates aroma (2AP) biosynthesis in soybeans (Arikit et al. 2010). A sequence variation involving a 2-bp deletion in exon 10 was found in this gene in all investigated aromatic varieties. In this study, a codominant PCR-based marker for the aroma trait in soybeans was designed based on the 2-bp deletion in GmAMADH2. The marker was verified in five aromatic and five non-aromatic varieties as well as in F(2) soybean population segregating for aroma. The aromatic genotype with the 2-bp deletion was completely associated with the five aromatic soybean varieties as well as the aromatic progeny of the F(2) population with seeds containing 2AP. Similarly, the non-aromatic genotype was associated with the five non-aromatic varieties and non-aromatic progeny. The perfect co-segregation of the marker genotypes and aroma phenotypes confirmed that the marker could be efficiently used for molecular breeding of soybeans for aroma.
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Affiliation(s)
- Siwaret Arikit
- Rice Science Center and Rice Gene Discovery, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand
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Arikit S, Yoshihashi T, Wanchana S, Uyen TT, Huong NTT, Wongpornchai S, Vanavichit A. Deficiency in the amino aldehyde dehydrogenase encoded by GmAMADH2, the homologue of rice Os2AP, enhances 2-acetyl-1-pyrroline biosynthesis in soybeans (Glycine max L.). Plant Biotechnol J 2011; 9:75-87. [PMID: 20497370 DOI: 10.1111/j.1467-7652.2010.00533.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
2-Acetyl-1-pyrroline (2AP), the volatile compound that provides the 'popcorn-like' aroma in a large variety of cereal and food products, is widely found in nature. Deficiency in amino aldehyde dehydrogenase (AMADH) was previously shown to be the likely cause of 2AP biosynthesis in rice (Oryza sativa L.). In this study, the validity of this mechanism was investigated in soybeans (Glycine max L.). An assay of AMADH activity in soybeans revealed that the aromatic soybean, which contains 2AP, also lacked AMADH enzyme activity. Two genes, GmAMADH1 and GmAMADH2, which are homologous to the rice Os2AP gene that encodes AMADH, were characterized. The transcription level of GmAMADH2 was lower in aromatic varieties than in nonaromatic varieties, whereas the expression of GmAMADH1 did not differ. A double nucleotide (TT) deletion was found in exon 10 of GmAMADH2 in all aromatic varieties. This variation caused a frame-shift mutation and a premature stop codon. Suppression of GmAMADH2 by introduction of a GmAMADH2-RNAi construct into the calli of the two nonaromatic wild-type varieties inhibited the synthesis of AMADH and induced the biosynthesis of 2AP. These results suggest that deficiency in the GmAMADH2 product, AMADH, plays a similar role in soybean as in rice, which is to promote 2AP biosynthesis. This phenomenon might be a conserved mechanism among plant species.
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Affiliation(s)
- Siwaret Arikit
- Rice Science Center and Rice Gene Discovery, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand
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Thongjuea S, Ruanjaichon V, Bruskiewich R, Vanavichit A. RiceGeneThresher: a web-based application for mining genes underlying QTL in rice genome. Nucleic Acids Res 2008; 37:D996-1000. [PMID: 18820292 PMCID: PMC2686607 DOI: 10.1093/nar/gkn638] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RiceGeneThresher is a public online resource for mining genes underlying genome regions of interest or quantitative trait loci (QTL) in rice genome. It is a compendium of rice genomic resources consisting of genetic markers, genome annotation, expressed sequence tags (ESTs), protein domains, gene ontology, plant stress-responsive genes, metabolic pathways and prediction of protein–protein interactions. RiceGeneThresher system integrates these diverse data sources and provides powerful web-based applications, and flexible tools for delivering customized set of biological data on rice. Its system supports whole-genome gene mining for QTL by querying using DNA marker intervals or genomic loci. RiceGeneThresher provides biologically supported evidences that are essential for targeting groups or networks of genes involved in controlling traits underlying QTL. Users can use it to discover and to assign the most promising candidate genes in preparation for the further gene function validation analysis. The web-based application is freely available at http://rice.kps.ku.ac.th.
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Affiliation(s)
- Supat Thongjuea
- RiceGeneDiscovery Unit, Kasetsart University, Kamphangsaen Campus, Nakhon Pathom 73140, Thailand
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Itoh T, Tanaka T, Barrero RA, Yamasaki C, Fujii Y, Hilton PB, Antonio BA, Aono H, Apweiler R, Bruskiewich R, Bureau T, Burr F, Costa de Oliveira A, Fuks G, Habara T, Haberer G, Han B, Harada E, Hiraki AT, Hirochika H, Hoen D, Hokari H, Hosokawa S, Hsing Y, Ikawa H, Ikeo K, Imanishi T, Ito Y, Jaiswal P, Kanno M, Kawahara Y, Kawamura T, Kawashima H, Khurana JP, Kikuchi S, Komatsu S, Koyanagi KO, Kubooka H, Lieberherr D, Lin YC, Lonsdale D, Matsumoto T, Matsuya A, McCombie WR, Messing J, Miyao A, Mulder N, Nagamura Y, Nam J, Namiki N, Numa H, Nurimoto S, O’Donovan C, Ohyanagi H, Okido T, OOta S, Osato N, Palmer LE, Quetier F, Raghuvanshi S, Saichi N, Sakai H, Sakai Y, Sakata K, Sakurai T, Sato F, Sato Y, Schoof H, Seki M, Shibata M, Shimizu Y, Shinozaki K, Shinso Y, Singh NK, Smith-White B, Takeda JI, Tanino M, Tatusova T, Thongjuea S, Todokoro F, Tsugane M, Tyagi AK, Vanavichit A, Wang A, Wing RA, Yamaguchi K, Yamamoto M, Yamamoto N, Yu Y, Zhang H, Zhao Q, Higo K, Burr B, Gojobori T, Sasaki T. Curated genome annotation of Oryza sativa ssp. japonica and comparative genome analysis with Arabidopsis thaliana. Genes Dev 2007; 17:175-83. [PMID: 17210932 PMCID: PMC1781349 DOI: 10.1101/gr.5509507] [Citation(s) in RCA: 203] [Impact Index Per Article: 11.9] [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: 05/17/2006] [Accepted: 10/31/2006] [Indexed: 11/25/2022]
Abstract
We present here the annotation of the complete genome of rice Oryza sativa L. ssp. japonica cultivar Nipponbare. All functional annotations for proteins and non-protein-coding RNA (npRNA) candidates were manually curated. Functions were identified or inferred in 19,969 (70%) of the proteins, and 131 possible npRNAs (including 58 antisense transcripts) were found. Almost 5000 annotated protein-coding genes were found to be disrupted in insertional mutant lines, which will accelerate future experimental validation of the annotations. The rice loci were determined by using cDNA sequences obtained from rice and other representative cereals. Our conservative estimate based on these loci and an extrapolation suggested that the gene number of rice is approximately 32,000, which is smaller than previous estimates. We conducted comparative analyses between rice and Arabidopsis thaliana and found that both genomes possessed several lineage-specific genes, which might account for the observed differences between these species, while they had similar sets of predicted functional domains among the protein sequences. A system to control translational efficiency seems to be conserved across large evolutionary distances. Moreover, the evolutionary process of protein-coding genes was examined. Our results suggest that natural selection may have played a role for duplicated genes in both species, so that duplication was suppressed or favored in a manner that depended on the function of a gene.
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Affiliation(s)
- Takeshi Itoh
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
| | - Tsuyoshi Tanaka
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Roberto A. Barrero
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Chisato Yamasaki
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Yasuyuki Fujii
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Phillip B. Hilton
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Baltazar A. Antonio
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Hideo Aono
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Rolf Apweiler
- EMBL Outstation–European Bioinformatics Institute, Wellcome Trust Genome Campus, Cambridge CB10 1SD, United Kingdom
| | - Richard Bruskiewich
- Biometrics and Bioinformatics Unit, International Rice Research Institute, DAPO Box 7777, Metro Manila, Philippines
| | - Thomas Bureau
- Department of Biology, McGill University, Montreal, Quebec H3A 1B1, Canada
| | - Frances Burr
- Biology Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | | | - Galina Fuks
- Waksman Institute of Microbiology, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Takuya Habara
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Georg Haberer
- Institute for Bioinformatics, GSF National Research Center for Environment and Health, D-85764 Neuherberg, Germany
| | - Bin Han
- Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 500 Caobao Road, Shanghai 200233, China
| | - Erimi Harada
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Aiko T. Hiraki
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Hirohiko Hirochika
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Douglas Hoen
- Department of Biology, McGill University, Montreal, Quebec H3A 1B1, Canada
| | - Hiroki Hokari
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Satomi Hosokawa
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki 305-0854, Japan
| | - Yue Hsing
- Institute of Botany, Academia Sinica, Nankang, Taipei 11529, Taiwan
| | - Hiroshi Ikawa
- Tsukuba Division, Mitsubishi Space Software Co., Ltd., Tsukuba, Ibaraki 305-0032, Japan
| | - Kazuho Ikeo
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Tadashi Imanishi
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Hokkaido 060-0814, Japan
| | - Yukiyo Ito
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki 305-0854, Japan
| | - Pankaj Jaiswal
- Department of Plant Breeding, Cornell University, Ithaca, New York 14853, USA
| | - Masako Kanno
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Yoshihiro Kawahara
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Department of Biological Sciences, Tokyo Metropolitan University, Hachioji-shi, Tokyo 192-0397, Japan
| | - Toshiyuki Kawamura
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Hiroaki Kawashima
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Jitendra P. Khurana
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi 110021, India
| | - Shoshi Kikuchi
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Setsuko Komatsu
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
- National Institute of Crop Science, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8518, Japan
| | - Kanako O. Koyanagi
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Hokkaido 060-0814, Japan
| | - Hiromi Kubooka
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Damien Lieberherr
- SWISS-PROT Group, Swiss Institute of Bioinformatics, CH-1211 Geneva 4, Switzerland
| | - Yao-Cheng Lin
- Institute of Botany, Academia Sinica, Nankang, Taipei 11529, Taiwan
| | - David Lonsdale
- EMBL Outstation–European Bioinformatics Institute, Wellcome Trust Genome Campus, Cambridge CB10 1SD, United Kingdom
| | - Takashi Matsumoto
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Akihiro Matsuya
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | | | - Joachim Messing
- Waksman Institute of Microbiology, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Akio Miyao
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Nicola Mulder
- EMBL Outstation–European Bioinformatics Institute, Wellcome Trust Genome Campus, Cambridge CB10 1SD, United Kingdom
| | - Yoshiaki Nagamura
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Jongmin Nam
- Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
- Institute of Molecular Evolutionary Genetics and Department of Biology, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Nobukazu Namiki
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki 305-0854, Japan
| | - Hisataka Numa
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
| | - Shin Nurimoto
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Claire O’Donovan
- EMBL Outstation–European Bioinformatics Institute, Wellcome Trust Genome Campus, Cambridge CB10 1SD, United Kingdom
| | - Hajime Ohyanagi
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
- Tsukuba Division, Mitsubishi Space Software Co., Ltd., Tsukuba, Ibaraki 305-0032, Japan
| | - Toshihisa Okido
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Satoshi OOta
- RIKEN BioResource Center, RIKEN Tsukuba Institute, Tsukuba, Ibaraki 305-0074, Japan
| | - Naoki Osato
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Lance E. Palmer
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11723, USA
- Department of Molecular Genetics and Microbiology, and Center for Infectious Diseases, The State University of New York at Stony Brook, Stony Brook, New York 11794, USA
| | | | - Saurabh Raghuvanshi
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi 110021, India
| | - Naomi Saichi
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Hiroaki Sakai
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Yasumichi Sakai
- Tsukuba Division, Mitsubishi Space Software Co., Ltd., Tsukuba, Ibaraki 305-0032, Japan
| | - Katsumi Sakata
- Tsukuba Division, Mitsubishi Space Software Co., Ltd., Tsukuba, Ibaraki 305-0032, Japan
| | - Tetsuya Sakurai
- Metabolomics Research Group, RIKEN Plant Science Center, Yokohama, Kanagawa 230-0045, Japan
| | - Fumihiko Sato
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Yoshiharu Sato
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Heiko Schoof
- Institute for Bioinformatics, GSF National Research Center for Environment and Health, D-85764 Neuherberg, Germany
- Technische Universität München, Genome Oriented Bioinformatics, D-85354 Freising-Weihenstephan, Germany
- Plant Computational Biology, Max-Planck-Institute for Plant Breeding Research, D 50829 Cologne, Germany
| | - Motoaki Seki
- Plant Functional Genomics Research Group, RIKEN Plant Science Center, Yokohama, Kanagawa 230-0045, Japan
| | - Michie Shibata
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki 305-0854, Japan
| | - Yuji Shimizu
- Tsukuba Division, Mitsubishi Space Software Co., Ltd., Tsukuba, Ibaraki 305-0032, Japan
| | - Kazuo Shinozaki
- RIKEN Plant Science Center, Yokohama, Kanagawa 230-0045, Japan
| | - Yuji Shinso
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Nagendra K. Singh
- National Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi 110012, India
| | - Brian Smith-White
- National Center for Biotechnology Information, National Institutes of Health, Bethesda, Maryland 20894, USA
| | - Jun-ichi Takeda
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Motohiko Tanino
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Tatiana Tatusova
- National Center for Biotechnology Information, National Institutes of Health, Bethesda, Maryland 20894, USA
| | - Supat Thongjuea
- Rice Gene Discovery Unit, Kasetsart University, Nakorn Pathom 73140, Thailand
| | - Fusano Todokoro
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Mika Tsugane
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki 305-0854, Japan
| | - Akhilesh K. Tyagi
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi 110021, India
| | - Apichart Vanavichit
- Rice Gene Discovery Unit, Kasetsart University, Nakorn Pathom 73140, Thailand
| | - Aihui Wang
- The Institute for Genomic Research, Rockville, Maryland 20850, USA
| | - Rod A. Wing
- Arizona Genomics Institute, The University of Arizona, Tucson, Arizona 85721, USA
| | - Kaori Yamaguchi
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Mayu Yamamoto
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki 305-0854, Japan
| | - Naoyuki Yamamoto
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Yeisoo Yu
- Arizona Genomics Institute, The University of Arizona, Tucson, Arizona 85721, USA
| | - Hao Zhang
- Japan Biological Information Research Center, Japan Biological Informatics Consortium, Koto-ku, Tokyo 135-0064, Japan
| | - Qiang Zhao
- Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 500 Caobao Road, Shanghai 200233, China
| | - Kenichi Higo
- National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
- Bio-Oriented Technology Research Advancement Institution, Minato-ku, Tokyo 105-0001, Japan
| | - Benjamin Burr
- Biology Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Takashi Gojobori
- Biological Information Research Center, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo 135-0064, Japan
- Center for Information Biology and DNA Data Bank of Japan, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka 411-8540, Japan
| | - Takuji Sasaki
- National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
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Tanya P, Srinives P, Toojinda T, Vanavichit A, Nuntakij A, Kotepong S, Ha Lee S. ScienceAsia 2006; 32:093. [DOI: 10.2306/scienceasia1513-1874.2006.32.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Wuthisuthimethavee S, Lunubol P, Vanavichit A, Tragoonrung S. ScienceAsia 2005; 31:137. [DOI: 10.2306/scienceasia1513-1874.2005.31.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Toojinda T, Siangliw M, Tragoonrung S, Vanavichit A. Molecular genetics of submergence tolerance in rice: QTL analysis of key traits. Ann Bot 2003; 91 Spec No:243-53. [PMID: 12509344 PMCID: PMC4244984 DOI: 10.1093/aob/mcf072] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Flash flooding of young rice plants is a common problem for rice farmers in south and south-east Asia. It severely reduces grain yield and increases the unpredictability of cropping. The inheritance and expression of traits associated with submergence stress tolerance at the seedling stage are physiologically and genetically complex. We exploited naturally occurring differences between certain rice lines in their tolerance to submergence and used quantitative trait loci (QTL) mapping to improve understanding of the genetic and physiological basis of submergence tolerance. Three rice populations, each derived from a single cross between two cultivars differing in their response to submergence, were used to identify QTL associated with plant survival and various linked traits. These included total shoot elongation under water, the extent of stimulation of shoot elongation caused by submergence, a visual submergence tolerance score, and leaf senescence under different field conditions, locations and years. Several major QTL determining plant survival, plant height, stimulation of shoot elongation, visual tolerance score and leaf senescence each mapped to the same locus on chromosome 9. These QTL were detected consistently in experiments across all years and in the genetic backgrounds of all three mapping populations. Secondary QTL influencing tolerance were also identified and located on chromosomes 1, 2, 5, 7, 10 and 11. These QTL were specific to particular traits, environments, or genetic backgrounds. All identified QTL contributed to increased submergence tolerance through their effects on decreased underwater shoot elongation or increased maintenance of chlorophyll levels, or on both. These findings establish the foundations of a marker-assisted scheme for introducing submergence tolerance into agriculturally desirable cultivars of rice.
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Affiliation(s)
- T Toojinda
- BIOTEC, Rice Gene Discovery Unit, DNA Technology Laboratory, Dept. of Agronomy, National Center for Genetic Engineering, Kasetsart Univ., Kampangsaen Campus, Nakorn Pathom, Thailand.
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Sirithunya P, Tragoonrung S, Vanavichit A, Pa-In N, Vongsaprom C, Toojinda T. Quantitative trait loci associated with leaf and neck blast resistance in recombinant inbred line population of rice (Oryza sativa). DNA Res 2002; 9:79-88. [PMID: 12168952 DOI: 10.1093/dnares/9.3.79] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Blast is an economically important disease of rice. To map genes controlling blast resistance, recombinant inbred lines (RIL) were developed from Khao Dawk Mali 105, an aromatic, blast-susceptible cultivar and the blast resistance donor, CT 9993-5-10-M (CT). A linkage map encompassing 2112 cM was constructed from 141 RILs using 90 restriction fragment length polymorphisms (RFLPs) and 31 simple sequence repeats (SSR). Virulent isolates of blast fungus were identified by screening differential host sets against 87 single-spore isolates collected from the north and northeast of Thailand. Fifteen virulent blast isolates were selected for leaf blast screening. Neck blast was evaluated both under natural conditions and controlled inoculations. Quantitative trait loci (QTLs) for broad resistance spectrum (BRS) to leaf blast were located on chromosomes 7 and 9. In particular, the QTL(ch9) was mapped near the Pi5(t) locus. The QTL(ch7) was located close to a previously mapped partial resistance QTL. Both loci showed significant allelic interaction. Genotypes having CT alleles at both QTL(ch7) and QTL(ch9) were the most resistant. Two neck-blast QTLs were mapped on chromosomes 5 and 6. The inconsistent map locations between the leaf and neck blast QTLs indicate the complexity of fixing both leaf and neck blast resistance. The coincidence of BRS and field resistance QTLs on chromosome 7 supports the idea that BRS may reflect the broad resistance spectrum to leaf blast in rice. These findings laid the foundation for the development of a marker-assisted scheme for improving Khoa Dawk Mali 105 and the majority of aromatic Thai rice varieties that are susceptible to blast.
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Affiliation(s)
- Pattama Sirithunya
- Lampang Agriculture Research and Training Center, Muang Lampang, Thailand
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Kamolsukyunyong W, Ruanjaichon V, Siangliw M, Kawasaki S, Sasaki T, Vanavichit A, Tragoonrung S. Mapping of quantitative trait locus related to submergence tolerance in rice with aid of chromosome walking. DNA Res 2001; 8:163-71. [PMID: 11572482 DOI: 10.1093/dnares/8.4.163] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The major QTL for submergence tolerance was locate in the 5.9 cM interval between flanking RFLP markers. To narrow down this region, a physical map was constructed using YAC and BAC clones. A 400-kb YAC was identified in this region and later its end fragments were used to screen a rice BAC library. Through chromosome walking, 24 positive BAC clones formed two contigs around linked-RFLP markers, R1164 and RZ698. Using one YAC end, six BAC ends and three RFLP markers, a fine-scale map was constructed of the 6.8-cM interval of S10709-RZ698 on rice chromosome 9. The submergence tolerance and related trait were located in a small, well-defined region around BAC-end marker 180D1R and RFLP marker R1164. The physical-to-map distance ratio in this region is as small as 172.5 kb/cM, showing that this region is a hot spot for recombination in the rice genome.
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Affiliation(s)
- W Kamolsukyunyong
- National Center for Genetic Engineering and Biotechnology, Kasetsart University, Nakorn Pathom, Thailand.
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Lanceras JC, Huang ZL, Naivikul O, Vanavichit A, Ruanjaichon V, Tragoonrung S. Mapping of genes for cooking and eating qualities in Thai jasmine rice (KDML105). DNA Res 2000; 7:93-101. [PMID: 10819324 DOI: 10.1093/dnares/7.2.93] [Citation(s) in RCA: 109] [Impact Index Per Article: 4.5] [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: 11/13/2022] Open
Abstract
Thai jasmine rice, KDML 105, is known as the best quality rice. It is known not only for its aroma but also for its good cooking and eating qualities. Amylose content (AC), gel consistency (GC) and gelatinization temperature (GT) are important traits determining rice quality. A population of recombinant inbred lines (RIL) derived from KDML105 x CT9993 cross was used to study the genetic control of AC, GC and GT traits. A total of 191 markers were used in the linkage map construction. The 1605.3 cM linkage map covering nearly the whole rice genome was used for QTL (define QTL) analysis. Four QTLs for AC were detected on chromosomes 3, 4, 6 and 7. These QTLs accounted for 80% of phenotypic variation explained (PVE) in AC. The presence of one major gene as well as several modifiers was responsible for the expression of the trait. Two QTLs on chromosome 6 and one on chromosome 7 were detected for GC, which accounts for 57% of PVE. A single gene of major effect along with modifier genes controls GC from this cross. The QTLs in the vicinity of waxy locus were major contributors in the expression of AC and GC. The finding that the position of QTLs for AC and GC were near each other may reflect tight linkage or pleiotropy. Three QTLs were detected, one on chromosome 2 and two on chromosome 6, which accounted for 67% of PVE in GT. Just like AC and GC, one major gene and modifier genes governed the variation in GT resulting from the KDML105 x CT9993 cross. Breeding for cooking and eating qualities will largely rely on the preferences of the end users.
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Affiliation(s)
- J C Lanceras
- Agricultural Genetic Engineering and Biotechnology Center, Research and Development Institute, Kasetsart University, Nakorn Pathom, Thailand
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Abstract
A method, bulked line analysis (BLA), was developed for identification of the RFLP markers associated with a target gene. Instead of segregating progenies, conventional lines sharing the same trait were bulked by the BLA method. This method is an alternative approach to the identification of DNA markers linked with a target gene. A major advantage of this method is time-saving for genetic stock development. The advantage is very significant for organisms having a long generation period. This method has been tested by using fertility restoration of rice cytoplasmic male sterility of wild abortive type as a target trait. A fertility-restoring gene was successfully identified by linkage with RFLP markers. This gene was mapped in the middle of the long arm of chromosome 10 of the rice genome.
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Affiliation(s)
- X L Tan
- Tropical Agriculture, Faculty of Agriculture, Kasetsart University, Thailand
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Loper JE, Ishimaru CA, Carnegie SR, Vanavichit A. Cloning and Characterization of Aerobactin Biosynthesis Genes of the Biological Control Agent
Enterobacter cloacae. Appl Environ Microbiol 1993; 59:4189-97. [PMID: 16349118 PMCID: PMC195884 DOI: 10.1128/aem.59.12.4189-4197.1993] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Five strains of
Enterobacter cloacae
that are biological control agents of
Pythium
damping-off diseases produced the hydroxamate siderophore aerobactin under iron-limiting conditions. Genes determining aerobactin biosynthesis of the biocontrol strain
E. cloacae
EcCT-501 were localized to a 12.3-kb region, which conferred aerobactin production to
Escherichia coli
DH5α. The aerobactin biosynthesis genes of
E. cloacae
hybridized to those of the pColV-K30 plasmid of
E. coli
, but restriction patterns of the aerobactin regions of pColV-K30 and
E. cloacae
differed. A derivative strain with a deletion in the aerobactin biosynthesis locus was as effective as strain EcCT-501 in biological control of
Pythium
damping-off of cucumber. Thus, aerobactin production did not contribute significantly to the biological control activity of EcCT-501 under the conditions of this study.
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Affiliation(s)
- J E Loper
- Horticultural Crops Research Laboratory, Agricultural Research Service, United States Department of Agriculture, 3420 N.W. Orchard Avenue, and Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97330
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