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Lopez-Ortiz C, Reddy UK, Zhang C, Natarajan P, Nimmakayala P, Benedito VA, Fabian M, Stommel J. QTL and PACE analyses identify candidate genes for anthracnose resistance in tomato. FRONTIERS IN PLANT SCIENCE 2023; 14:1200999. [PMID: 37615029 PMCID: PMC10443646 DOI: 10.3389/fpls.2023.1200999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/17/2023] [Indexed: 08/25/2023]
Abstract
Anthracnose, caused by the fungal pathogen Colletotrichum spp., is one of the most significant tomato diseases in the United States and worldwide. No commercial cultivars with anthracnose resistance are available, limiting resistant breeding. Cultivars with genetic resistance would significantly reduce crop losses, reduce the use of fungicides, and lessen the risks associated with chemical application. A recombinant inbred line (RIL) mapping population (N=243) has been made from a cross between the susceptible US28 cultivar and the resistant but semiwild and small-fruited 95L368 to identify quantitative trait loci (QTLs) associated with anthracnose resistance. The RIL population was phenotyped for resistance by inoculating ripe field-harvested tomato fruits with Colletotrichum coccodes for two seasons. In this study, we identified twenty QTLs underlying resistance, with a range of phenotypic variance of 4.5 to 17.2% using a skeletal linkage map and a GWAS. In addition, a QTLseq analysis was performed using deep sequencing of extreme bulks that validated QTL positions identified using traditional mapping and resolved candidate genes underlying various QTLs. We further validated AP2-like ethylene-responsive transcription factor, N-alpha-acetyltransferase (NatA), cytochrome P450, amidase family protein, tetratricopeptide repeat, bHLH transcription factor, and disease resistance protein RGA2-like using PCR allelic competitive extension (PACE) genotyping. PACE assays developed in this study will enable high-throughput screening for use in anthracnose resistance breeding in tomato.
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Affiliation(s)
- Carlos Lopez-Ortiz
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV, United States
| | - Umesh K. Reddy
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV, United States
| | - Chong Zhang
- The Genetic Improvement for Fruits & Vegetables Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD, United States
| | - Purushothaman Natarajan
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV, United States
| | - Padma Nimmakayala
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV, United States
| | | | - Matthew Fabian
- The Genetic Improvement for Fruits & Vegetables Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD, United States
| | - John Stommel
- The Genetic Improvement for Fruits & Vegetables Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD, United States
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Simons KJ, Schröder S, Oladzad A, McClean PE, Conner RL, Penner WC, Stoesz DB, Osorno JM. Modified screening method of middle american dry bean genotypes reveals new genomic regions on Pv10 associated with anthracnose resistance. FRONTIERS IN PLANT SCIENCE 2022; 13:1015583. [PMID: 36457529 PMCID: PMC9705789 DOI: 10.3389/fpls.2022.1015583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/25/2022] [Indexed: 06/17/2023]
Abstract
Anthracnose, caused by the fungal pathogen Colletotrichum lindemuthianum (Sacc. & Magnus) Lams.-Scrib., is one of the most devastating diseases in dry bean (Phaseolus vulgaris L.) with seed yield losses up to 100%. Most anthracnose resistance genes thus far identified behave in a dominant manner and were identified by seedling screening. The Middle American Diversity Panel (MDP; n=266) was screened with a modified greenhouse screening method to evaluate the response to anthracnose race 73. Thirty MDP genotypes exhibited resistance to the race of which 16 genotypes were not known to contain anthracnose resistance genes to race 73. GWAS with ~93,000 SNP markers identified four genomic regions, two each on Pv01 and Pv10, associated race 73 resistance. A likelihood-ratio-based R2 analysis indicated the peak four SNP markers are responsible for 26% of the observed phenotypic variation, where one SNP, S10_072250, explains 23% of the total variation. SNP S10_072250 is associated with a new region of anthracnose resistance and is in an intron of a ZPR1-like gene. Further greenhouse testing of the 16 resistant lines without previously known resistance to race 73 revealed various levels of resistance under various levels of disease pressure. Disease resistance was further characterized in the field using four representative genotypes. GTS-900 and Remington exhibited field resistance while Merlot and Maverick were susceptible. Field testing with two different fungicide regimes revealed the resistant genotypes had no significant disease differences. The results suggest resistance to anthracnose may differ at various growth stages and that breeders have been selecting for major genes at early seedling stages while ignoring the effect of alternative genes that may be active at later stages. The newly identified resistant lines may be related to Age Related Resistance (ARR) and could be exploited as parental sources of anthracnose resistance in addition to already known major genes. The physical localization of the multiple regions of resistance confirms the presence of two clusters of disease resistance genes on Pv01 and identifies two new regions of anthracnose resistance on Pv10 possibly associated with ARR. Future research should look at the mode of inheritance of this resistance and its effect when combined with other anthracnose resistance loci.
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Affiliation(s)
- Kristin J. Simons
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
| | - Stephan Schröder
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
| | - Atena Oladzad
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
| | - Phillip E. McClean
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
| | - Robert L. Conner
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Waldo C. Penner
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Dennis B. Stoesz
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Juan M. Osorno
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
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Rahmanzadeh A, Khahani B, Taghavi SM, Khojasteh M, Osdaghi E. Genome-wide meta-QTL analyses provide novel insight into disease resistance repertoires in common bean. BMC Genomics 2022; 23:680. [PMID: 36192697 PMCID: PMC9531352 DOI: 10.1186/s12864-022-08914-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 09/27/2022] [Indexed: 11/02/2023] Open
Abstract
BACKGROUND Common bean (Phaseolus vulgaris) is considered a staple food in a number of developing countries. Several diseases attack the crop leading to substantial economic losses around the globe. However, the crop has rarely been investigated for multiple disease resistance traits using Meta-analysis approach. RESULTS AND CONCLUSIONS In this study, in order to identify the most reliable and stable quantitative trait loci (QTL) conveying disease resistance in common bean, we carried out a meta-QTL (MQTL) analysis using 152 QTLs belonging to 44 populations reported in 33 publications within the past 20 years. These QTLs were decreased into nine MQTLs and the average of confidence interval (CI) was reduced by 2.64 folds with an average of 5.12 cM in MQTLs. Uneven distribution of MQTLs across common bean genome was noted where sub-telomeric regions carry most of the corresponding genes and MQTLs. One MQTL was identified to be specifically associated with resistance to halo blight disease caused by the bacterial pathogen Pseudomonas savastanoi pv. phaseolicola, while three and one MQTLs were specifically associated with resistance to white mold and anthracnose caused by the fungal pathogens Sclerotinia sclerotiorum and Colletotrichum lindemuthianum, respectively. Furthermore, two MQTLs were detected governing resistance to halo blight and anthracnose, while two MQTLs were detected for resistance against anthracnose and white mold, suggesting putative genes governing resistance against these diseases at a shared locus. Comparative genomics and synteny analyses provide a valuable strategy to identify a number of well‑known functionally described genes as well as numerous putative novels candidate genes in common bean, Arabidopsis and soybean genomes.
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Affiliation(s)
- Asma Rahmanzadeh
- Department of Plant Protection, School of Agriculture, Shiraz University, Shiraz, 71441-65186, Iran
| | - Bahman Khahani
- Department of Plant Genetics and Production, College of Agriculture, Shiraz University, Shiraz, Iran
| | - S Mohsen Taghavi
- Department of Plant Protection, School of Agriculture, Shiraz University, Shiraz, 71441-65186, Iran
| | - Moein Khojasteh
- Department of Plant Protection, School of Agriculture, Shiraz University, Shiraz, 71441-65186, Iran.
| | - Ebrahim Osdaghi
- Department of Plant Protection, College of Agriculture, University of Tehran, Karaj, 31587-77871, Iran.
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Shafi S, Saini DK, Khan MA, Bawa V, Choudhary N, Dar WA, Pandey AK, Varshney RK, Mir RR. Delineating meta-quantitative trait loci for anthracnose resistance in common bean ( Phaseolus vulgaris L.). FRONTIERS IN PLANT SCIENCE 2022; 13:966339. [PMID: 36092444 PMCID: PMC9453441 DOI: 10.3389/fpls.2022.966339] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/01/2022] [Indexed: 05/03/2023]
Abstract
Anthracnose, caused by the fungus Colletotrichum lindemuthianum, is one of the devastating disease affecting common bean production and productivity worldwide. Several quantitative trait loci (QTLs) for anthracnose resistance have been identified. In order to make use of these QTLs in common bean breeding programs, a detailed meta-QTL (MQTL) analysis has been conducted. For the MQTL analysis, 92 QTLs related to anthracnose disease reported in 18 different earlier studies involving 16 mapping populations were compiled and projected on to the consensus map. This meta-analysis led to the identification of 11 MQTLs (each involving QTLs from at least two different studies) on 06 bean chromosomes and 10 QTL hotspots each involving multiple QTLs from an individual study on 07 chromosomes. The confidence interval (CI) of the identified MQTLs was found 3.51 times lower than the CI of initial QTLs. Marker-trait associations (MTAs) reported in published genome-wide association studies (GWAS) were used to validate nine of the 11 identified MQTLs, with MQTL4.1 overlapping with as many as 40 MTAs. Functional annotation of the 11 MQTL regions revealed 1,251 genes including several R genes (such as those encoding for NBS-LRR domain-containing proteins, protein kinases, etc.) and other defense related genes. The MQTLs, QTL hotspots and the potential candidate genes identified during the present study will prove useful in common bean marker-assisted breeding programs and in basic studies involving fine mapping and cloning of genomic regions associated with anthracnose resistance in common beans.
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Affiliation(s)
- Safoora Shafi
- Division of Genetics and Plant Breeding, Faculty of Agriculture, SKUAST-Kashmir, Wadura, India
| | - Dinesh Kumar Saini
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Mohd Anwar Khan
- Division of Genetics and Plant Breeding, Faculty of Agriculture, SKUAST-Kashmir, Wadura, India
| | - Vanya Bawa
- Division of Genetics & Plant Breeding, Faculty of Agriculture, SKUAST-Jammu, Chatha, Jammu and Kashmir, India
| | - Neeraj Choudhary
- Division of Genetics & Plant Breeding, Faculty of Agriculture, SKUAST-Jammu, Chatha, Jammu and Kashmir, India
| | - Waseem Ali Dar
- Mountain Agriculture Research and Extension Station, SKUAST-Kashmir, Bandipora, Jammu and Kashmir, India
| | - Arun K. Pandey
- College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Rajeev Kumar Varshney
- State Agricultural Biotechnology Centre, Centre for Crop & Food Innovation, Food Futures Institute, Murdoch University, Murdoch, WA, Australia
| | - Reyazul Rouf Mir
- Division of Genetics and Plant Breeding, Faculty of Agriculture, SKUAST-Kashmir, Wadura, India
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5
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Chen X, Chen X, Tan Q, Mo X, Liu J, Zhou G. Recent progress on harm, pathogen classification, control and pathogenic molecular mechanism of anthracnose of oil-tea. Front Microbiol 2022; 13:918339. [PMID: 35966682 PMCID: PMC9372368 DOI: 10.3389/fmicb.2022.918339] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/30/2022] [Indexed: 12/26/2022] Open
Abstract
Oil tea (Camellia oleifera), mainly used to produce high-quality edible oil, is an important cash crop in China. Anthracnose of oil tea is a considerable factor that limits the yield of tea oil. In order to effectively control the anthracnose of oil tea, researchers have worked hard for many years, and great progress has been made in the research of oil tea anthracnose. For instance, researchers isolated a variety of Colletotrichum spp. from oil tea and found that Colletotrichum fructicola was the most popular pathogen in oil tea. At the same time, a variety of control methods have been explored, such as cultivating resistant varieties, pesticides, and biological control, etc. Furthermore, the research on the molecular pathogenesis of Colletotrichum spp. has also made good progress, such as the elaboration of the transcription factors and effector functions of Colletotrichum spp. The authors summarized the research status of the harm, pathogen types, control, and pathogenic molecular mechanism of oil tea anthracnose in order to provide theoretical support and new technical means for the green prevention and control of oil tea anthracnose.
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Affiliation(s)
| | | | | | | | - Junang Liu
- Key Laboratory of National Forestry and Grassland Administration for Control of Diseases and Pests of South Plantation, Hunan Provincial Key Laboratory for Control of Forest Diseases and Pests, Key Laboratory for Non-wood Forest Cultivation and Conservation of Ministry of Education, Central South University of Forestry and Technology, Changsha, China
| | - Guoying Zhou
- Key Laboratory of National Forestry and Grassland Administration for Control of Diseases and Pests of South Plantation, Hunan Provincial Key Laboratory for Control of Forest Diseases and Pests, Key Laboratory for Non-wood Forest Cultivation and Conservation of Ministry of Education, Central South University of Forestry and Technology, Changsha, China
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6
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Zhu L, Yang Q, Yu X, Fu X, Jin H, Yuan F. Transcriptomic and Metabolomic Analyses Reveal a Potential Mechanism to Improve Soybean Resistance to Anthracnose. FRONTIERS IN PLANT SCIENCE 2022; 13:850829. [PMID: 35574068 PMCID: PMC9094087 DOI: 10.3389/fpls.2022.850829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 04/04/2022] [Indexed: 06/15/2023]
Abstract
Anthracnose, caused by Colletotrichum truncatum, leads to large-scale reduction in quality and yield in soybean production. Limited information is available regarding the molecular mechanisms of resistance to anthracnose in soybean. We conducted a transcriptomic and targeted metabolomic analysis of pods from two soybean lines, "Zhechun No. 3" (ZC3) and ZC-2, in response to C. truncatum infection. Factors contributing to the enhanced resistance of ZC-2 to anthracnose compared with that of ZC3, included signal transduction (jasmonic acid, auxin, mitogen-activated protein kinase, and Ca2+ signaling), transcription factors (WRKY and bHLH), resistance genes (PTI1, RPP13, RGA2, RPS6, and ULP2B), pathogenesis-related genes (chitinase and lipid transfer protein), and terpenoid metabolism. Targeted metabolomic analysis revealed that terpenoid metabolism responded more promptly and more intensely to C. truncatum infection in ZC-2 than in ZC3. In vitro antifungal activity and resistance induction test confirmed that jasmonic acid, auxin signaling and terpenoids played important roles in soybean resistance to anthracnose. This research is the first study to explore the molecular mechanisms of soybean resistance to anthracnose. The findings are important for in-depth analysis of molecular resistance mechanisms, discovery of resistance genes, and to expedite the breeding of anthracnose-resistant soybean cultivars.
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Fick A, Swart V, Backer R, Bombarely A, Engelbrecht J, van den Berg N. Partially Resistant Avocado Rootstock Dusa ® Shows Prolonged Upregulation of Nucleotide Binding-Leucine Rich Repeat Genes in Response to Phytophthora cinnamomi Infection. FRONTIERS IN PLANT SCIENCE 2022; 13:793644. [PMID: 35360305 PMCID: PMC8963474 DOI: 10.3389/fpls.2022.793644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 02/22/2022] [Indexed: 06/14/2023]
Abstract
Avocado is an important agricultural food crop in many countries worldwide. Phytophthora cinnamomi, a hemibiotrophic oomycete, remains one of the most devastating pathogens within the avocado industry, as it is near impossible to eradicate from areas where the pathogen is present. A key aspect to Phytophthora root rot disease management is the use of avocado rootstocks partially resistant to P. cinnamomi, which demonstrates an increased immune response following infection. In plant species, Nucleotide binding-Leucine rich repeat (NLR) proteins form an integral part of pathogen recognition and Effector triggered immune responses (ETI). To date, a comprehensive set of Persea americana NLR genes have yet to be identified, though their discovery is crucial to understanding the molecular mechanisms underlying P. americana-P. cinnamomi interactions. In this study, a total of 161 PaNLR genes were identified in the P. americana West-Indian pure accession genome. These putative resistance genes were characterized using bioinformatic approaches and grouped into 13 distinct PaNLR gene clusters, with phylogenetic analysis revealing high sequence similarity within these clusters. Additionally, PaNLR expression levels were analyzed in both a partially resistant (Dusa®) and a susceptible (R0.12) avocado rootstock infected with P. cinnamomi using an RNA-sequencing approach. The results showed that the partially resistant rootstock has increased expression levels of 84 PaNLRs observed up to 24 h post-inoculation, while the susceptible rootstock only showed increased PaNLR expression during the first 6 h post-inoculation. Results of this study may indicate that the partially resistant avocado rootstock has a stronger, more prolonged ETI response which enables it to suppress P. cinnamomi growth and combat disease caused by this pathogen. Furthermore, the identification of PaNLRs may be used to develop resistant rootstock selection tools, which can be employed in the avocado industry to accelerate rootstock screening programs.
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Affiliation(s)
- Alicia Fick
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
- Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Velushka Swart
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
- Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Robert Backer
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
- Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Aureliano Bombarely
- Instituto de Biología Molecular y Celular de Plantas, Consejo Superior de Investigaciones Científicas - Universitat Politècnica de València (IBMCP-CSIC-UPV), Valencia, Spain
| | - Juanita Engelbrecht
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
- Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
| | - Noëlani van den Berg
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
- Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa
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8
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Nadeem MA, Yeken MZ, Shahid MQ, Habyarimana E, Yılmaz H, Alsaleh A, Hatipoğlu R, Çilesiz Y, Khawar KM, Ludidi N, Ercişli S, Aasim M, Karaköy T, Baloch FS. Common bean as a potential crop for future food security: an overview of past, current and future contributions in genomics, transcriptomics, transgenics and proteomics. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2021.1920462] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Affiliation(s)
- Muhammad Azhar Nadeem
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
| | - Mehmet Zahit Yeken
- Department of Field Crops, Faculty of Agriculture, Bolu Abant İzzet Baysal University, Bolu, Turkey
| | - Muhammad Qasim Shahid
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, PR China
| | | | - Hilal Yılmaz
- Department of Plant and Animal Production, Izmit Vocational School, Kocaeli University, Kocaeli, Turkey
| | - Ahmad Alsaleh
- Department of Food and Agriculture, Insitutue of Hemp Research, Yozgat Bozok University, 66200, Yozgat, Turkey
| | - Rüştü Hatipoğlu
- Department of Field Crops, Faculty of Agricultural, University of Cukurova, Adana, Turkey
| | - Yeter Çilesiz
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
| | - Khalid Mahmood Khawar
- Department of Field Crops, Faculty of Agriculture, Ankara University, Ankara, Turkey
| | - Ndiko Ludidi
- Department of Biotechnology and DSI-NRF Center of Excellence in Food Security, University of the Western Cape, Bellville, South Africa
| | - Sezai Ercişli
- Department of Horticulture, Faculty of Agriculture, Ataturk University, Erzurum, Turkey
| | - Muhammad Aasim
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
| | - Tolga Karaköy
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
| | - Faheem Shehzad Baloch
- Faculty of Agricultural Sciences and Technologies, Sivas University of Science and Technology, Sivas, Turkey
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9
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Genome-wide association mapping reveals race-specific SNP markers associated with anthracnose resistance in carioca common beans. PLoS One 2021; 16:e0251745. [PMID: 34010322 PMCID: PMC8133444 DOI: 10.1371/journal.pone.0251745] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/30/2021] [Indexed: 11/24/2022] Open
Abstract
Brazil is the largest consumer of dry edible beans (Phaseolus vulgaris L.) in the world, 70% of consumption is of the carioca variety. Although the variety has high yield, it is susceptible to several diseases, among them, anthracnose (ANT) can lead to losses of up to 100% of production. The most effective strategy to overcome ANT, a disease caused by the fungus Colletotrichum lindemuthianum, is the development of resistant cultivars. For that reason, the selection of carioca genotypes resistant to multiple ANT races and the identification of loci/markers associated with genetic resistance are extremely important for the genetic breeding process. Using a carioca diversity panel (CDP) with 125 genotypes and genotyped by BeadChip BARCBean6K_3 and a carioca segregating population AM (AND-277 × IAC-Milênio) genotyped by sequencing (GBS). Multiple interval mapping (MIM) and genome-wide association studies (GWAS) were used as mapping tools for the resistance genes to the major ANT physiological races present in the country. In general, 14 single nucleotide polymorphisms (SNPs) showed high significance for resistance by GWAS, and loci associated with multiple races were also identified, as the Co-3 locus. The SNPs ss715642306 and ss715649427 in linkage disequilibrium (LD) at the beginning of chromosome Pv04 were associated with all the races used, and 16 genes known to be related to plant immunity were identified in this region. Using the resistant cultivars and the markers associated with significant quantitative resistance loci (QRL), discriminant analysis of principal components (DAPC) was performed considering the allelic contribution to resistance. Through the DAPC clustering, cultivar sources with high potential for durable anthracnose resistance were recommended. The MIM confirmed the presence of the Co-14locus in the AND-277 cultivar which revealed that it was the only one associated with resistance to ANT race 81. Three other loci were associated with race 81 on chromosomes Pv03, Pv10, and Pv11. This is the first study to identify new resistance loci in the AND-277 cultivar. Finally, the same Co-14locus was also significant for the CDP at the end of Pv01. The new SNPs identified, especially those associated with more than one race, present great potential for use in marker-assisted and early selection of inbred lines.
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10
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Pei X, Zhang Y, Zhu L, Zhao D, Lu Y, Zheng J. Physiological and transcriptomic analyses characterized high temperature stress response mechanisms in Sorbus pohuashanensis. Sci Rep 2021; 11:10117. [PMID: 33980903 PMCID: PMC8115228 DOI: 10.1038/s41598-021-89418-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 04/26/2021] [Indexed: 02/03/2023] Open
Abstract
Sorbus pohuashanensis (Hance) Hedl. is a Chinese native alpine tree species, but the problem of introducing S. pohuashanensis to low altitude areas has not been solved. In this study, we aimed to explore the molecular regulatory network of S. pohuashanensis in response to high-temperature stress using RNA-Sequencing technology and physiological and biochemical determination. Based on transcriptomic data, we obtained 1221 genes (752 up-regulated and 469 down-regulated) that were differentially expressed during 8 h 43℃ treatment and candidate genes were related to calcium signaling pathway, plant hormone signal transduction, heat shock factors, chaperones, ubiquitin mediated proteolysis, cell wall modification, ROS scavenging enzymes, detoxification and energy metabolism. The analysis of high temperature response at the physiological level and biochemical level were performed. The chlorophyll fluorescence parameters of leaf cells decreased, the content of osmotic regulators increased, and the activity of ROS scavenging enzymes decreased. The molecular regulatory network of S. pohuashanensis in response to high-temperature stress was preliminarily revealed in this study, which provides fundamental information improving introducing methods and discovering heat-tolerant genes involved in high-temperature stress in this species and provides a reference for other plants of the genus Sorbus.
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Affiliation(s)
- Xin Pei
- School of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Yan Zhang
- School of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Lingyi Zhu
- School of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Dongxue Zhao
- School of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Yizeng Lu
- Shandong Provincial Center of Forest Tree Germplasm Resources, Shandong Province, Jinan, 250102, China
| | - Jian Zheng
- School of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China.
- Beijing Laboratory of Urban and Rural Ecological Environment, Beijing, 100083, China.
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11
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de Almeida CP, de Carvalho Paulino JF, Bonfante GFJ, Perseguini JMKC, Santos IL, Gonçalves JGR, Patrício FRA, Taniguti CH, Gesteira GDS, Garcia AAF, Song Q, Carbonell SAM, Chiorato AF, Benchimol-Reis LL. Angular Leaf Spot Resistance Loci Associated With Different Plant Growth Stages in Common Bean. FRONTIERS IN PLANT SCIENCE 2021; 12:647043. [PMID: 33927738 PMCID: PMC8078856 DOI: 10.3389/fpls.2021.647043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
Angular leaf spot (ALS) is a disease that causes major yield losses in the common bean crop. Studies based on different isolates and populations have already been carried out to elucidate the genetic mechanisms of resistance to ALS. However, understanding of the interaction of this resistance with the reproductive stages of common bean is lacking. The aim of the present study was to identify ALS resistance loci at different plant growth stages (PGS) by association and linkage mapping approaches. An BC2F3 inter-gene pool cross population (AND 277 × IAC-Milênio - AM population) profiled with 1,091 SNPs from genotyping by sequencing (GBS) was used for linkage mapping, and a carioca diversity panel (CDP) genotyped by 5,398 SNPs from BeadChip assay technology was used for association mapping. Both populations were evaluated for ALS resistance at the V2 and V3 PGSs (controlled conditions) and R8 PGS (field conditions). Different QTL (quantitative trait loci) were detected for the three PGSs and both populations, showing a different quantitative profile of the disease at different plant growth stages. For the three PGS, multiple interval mapping (MIM) identified seven significant QTL, and the Genome-wide association study (GWAS) identified fourteen associate SNPs. Several loci validated regions of previous studies, and Phg-1, Phg-2, Phg-4, and Phg-5, among the 5 loci of greatest effects reported in the literature, were detected in the CDP. The AND 277 cultivar contained both the Phg-1 and the Phg-5 QTL, which is reported for the first time in the descendant cultivar CAL143 as ALS10.1UC. The novel QTL named ALS11.1AM was located at the beginning of chromosome Pv11. Gene annotation revealed several putative resistance genes involved in the ALS response at the three PGSs, and with the markers and loci identified, new specific molecular markers can be developed, representing a powerful tool for common bean crop improvement and for gain in ALS resistance.
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Affiliation(s)
| | | | | | | | - Isabella Laporte Santos
- Centro de Pesquisa em Recursos Genéticos Vegetais, Instituto Agronômico - IAC, Campinas, Brazil
| | | | | | - Cristiane Hayumi Taniguti
- Departamento de Genética, Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, Piracicaba, Brazil
| | - Gabriel de Siqueira Gesteira
- Departamento de Genética, Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, Piracicaba, Brazil
| | - Antônio Augusto Franco Garcia
- Departamento de Genética, Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, Piracicaba, Brazil
| | - Qijian Song
- USDA-ARS, Soybean Genomics and Improvement Lab, Beltsville, MD, United States
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12
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Garcia T, Duitama J, Zullo SS, Gil J, Ariani A, Dohle S, Palkovic A, Skeen P, Bermudez-Santana CI, Debouck DG, Martínez-Castillo J, Gepts P, Chacón-Sánchez MI. Comprehensive genomic resources related to domestication and crop improvement traits in Lima bean. Nat Commun 2021; 12:702. [PMID: 33514713 PMCID: PMC7846787 DOI: 10.1038/s41467-021-20921-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/22/2020] [Indexed: 01/30/2023] Open
Abstract
Lima bean (Phaseolus lunatus L.), one of the five domesticated Phaseolus bean crops, shows a wide range of ecological adaptations along its distribution range from Mexico to Argentina. These adaptations make it a promising crop for improving food security under predicted scenarios of climate change in Latin America and elsewhere. In this work, we combine long and short read sequencing technologies with a dense genetic map from a biparental population to obtain the chromosome-level genome assembly for Lima bean. Annotation of 28,326 gene models show high diversity among 1917 genes with conserved domains related to disease resistance. Structural comparison across 22,180 orthologs with common bean reveals high genome synteny and five large intrachromosomal rearrangements. Population genomic analyses show that wild Lima bean is organized into six clusters with mostly non-overlapping distributions and that Mesomerican landraces can be further subdivided into three subclusters. RNA-seq data reveal 4275 differentially expressed genes, which can be related to pod dehiscence and seed development. We expect the resources presented here to serve as a solid basis to achieve a comprehensive view of the degree of convergent evolution of Phaseolus species under domestication and provide tools and information for breeding for climate change resiliency.
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Affiliation(s)
- Tatiana Garcia
- grid.10689.360000 0001 0286 3748Departamento de Agronomía, Facultad de Ciencias Agrarias, Universidad Nacional de Colombia, Bogotá, Colombia ,grid.17088.360000 0001 2150 1785Present Address: Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI USA
| | - Jorge Duitama
- grid.7247.60000000419370714Systems and Computing Engineering Department, Universidad de los Andes, Bogotá, Colombia
| | - Stephanie Smolenski Zullo
- grid.27860.3b0000 0004 1936 9684Department of Plant Sciences/MS1, University of California, Davis, CA USA
| | - Juanita Gil
- grid.7247.60000000419370714Systems and Computing Engineering Department, Universidad de los Andes, Bogotá, Colombia ,grid.411017.20000 0001 2151 0999Present Address: Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR USA
| | - Andrea Ariani
- grid.27860.3b0000 0004 1936 9684Department of Plant Sciences/MS1, University of California, Davis, CA USA ,Present Address: BASF BBCC - Innovation Center, Gent, Belgium
| | - Sarah Dohle
- grid.27860.3b0000 0004 1936 9684Department of Plant Sciences/MS1, University of California, Davis, CA USA
| | - Antonia Palkovic
- grid.27860.3b0000 0004 1936 9684Department of Plant Sciences/MS1, University of California, Davis, CA USA
| | - Paola Skeen
- grid.10689.360000 0001 0286 3748Departamento de Agronomía, Facultad de Ciencias Agrarias, Universidad Nacional de Colombia, Bogotá, Colombia ,Present Address: Nunhems USA, Vegetable Seeds BASF, Acampo, CA USA
| | - Clara Isabel Bermudez-Santana
- grid.10689.360000 0001 0286 3748Departamento de Biología, Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Daniel G. Debouck
- grid.418348.20000 0001 0943 556XCentro Internacional de Agricultura Tropical, Cali, Colombia
| | - Jaime Martínez-Castillo
- grid.418270.80000 0004 0428 7635Centro de Investigación Científica de Yucatán, Yucatán, Mexico
| | - Paul Gepts
- grid.27860.3b0000 0004 1936 9684Department of Plant Sciences/MS1, University of California, Davis, CA USA
| | - Maria Isabel Chacón-Sánchez
- grid.10689.360000 0001 0286 3748Departamento de Agronomía, Facultad de Ciencias Agrarias, Universidad Nacional de Colombia, Bogotá, Colombia
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13
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Gonçalves-Vidigal MC, Gilio TAS, Valentini G, Vaz-Bisneta M, Vidigal Filho PS, Song Q, Oblessuc PR, Melotto M. New Andean source of resistance to anthracnose and angular leaf spot: Fine-mapping of disease-resistance genes in California Dark Red Kidney common bean cultivar. PLoS One 2020; 15:e0235215. [PMID: 32598372 PMCID: PMC7323968 DOI: 10.1371/journal.pone.0235215] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 06/10/2020] [Indexed: 12/19/2022] Open
Abstract
Anthracnose (ANT) and angular leaf spot (ALS) caused by Colletotrichum lindemuthianum and Pseudocercospora griseola, respectively, are devastating diseases of common bean around the world. Therefore, breeders are constantly searching for new genes with broad-spectrum resistance against ANT and ALS. This study aimed to characterize the genetic resistance of California Dark Red Kidney (CDRK) to C. lindemuthianum races 73, 2047, and 3481 and P. griseola race 63-39 through inheritance, allelism testing, and molecular analyses. Genetic analysis of response to ANT and ALS in recombinant inbred lines (RILs) from a CDRK × Yolano cross (CY) showed that the resistance of CDRK cultivar is conferred by a single dominant loci, which we named CoPv01CDRK/PhgPv01CDRK. Allelism tests performed with race 3481showed that the resistance gene in CDRK is independent of the Co-1 and Co-AC. We conducted co-segregation analysis in genotypes of 110 CY RILs and phenotypes of the RILs in response to different races of the ANT and ALS pathogens. The results revealed that CoPv01CDRK and PhgPv01CDRK are coinherited, conferring resistance to all races. Genetic mapping of the CY population placed the CoPv01CDRK/PhgPv01CDRK loci in a 245 Kb genomic region at the end of Pv01. By genotyping 19 RILs from the CY population using three additional markers, we fine-mapped the CoPv01CDRK/PhgPv01CDRK loci to a smaller genomic region of 33 Kb. This 33 Kb region harbors five predicted genes based on the common bean reference genome. These results can be applied in breeding programs to develop bean cultivars with ANT and ALS resistance using marker-assisted selection.
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Affiliation(s)
- M. C. Gonçalves-Vidigal
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, Maringá, Paraná, Brazil
| | - T. A. S. Gilio
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, Maringá, Paraná, Brazil
| | - G. Valentini
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, Maringá, Paraná, Brazil
| | - M. Vaz-Bisneta
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, Maringá, Paraná, Brazil
| | - P. S. Vidigal Filho
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, Maringá, Paraná, Brazil
| | - Q. Song
- Soybean Genomics and Improvement Laboratory, USDA-ARS, BARC-West, Beltsville, Maryland, United States of America
| | - P. R. Oblessuc
- Department of Plant Sciences, University of California, Davis, California, United States of America
| | - M. Melotto
- Department of Plant Sciences, University of California, Davis, California, United States of America
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14
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Shuai L, Li L, Sun J, Liao L, Duan Z, Li C, He X. Role of phospholipase C in banana in response to anthracnose infection. Food Sci Nutr 2020; 8:1038-1045. [PMID: 32148812 PMCID: PMC7020292 DOI: 10.1002/fsn3.1388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 11/27/2019] [Accepted: 12/09/2019] [Indexed: 12/25/2022] Open
Abstract
Phospholipase C (PLC) plays an important role in plant immunity, and anthracnose caused by the Colletotrichum species is a common postharvest disease of the banana fruit. This study aims to evaluate the role of PLC in anthrax resistance in banana. The experimental group of banana samples was treated with a banana anthracnose conidia suspension, and the control group was treated with distilled water. After inoculation, the groups were sprayed with ethephon, and indicators, such as hardness and conductivity changes; PLC activity, 1,2-diacylglycerol (DAG) and phosphatidic acid (PA)content; and MaPLC-1and MaPLC-2 expression levels, were assessed at 0, 3, 6, 9, 12, and 15 days. Moreover, the expression levels of MaPLC-1 and MaPLC-2 were detected in various tissues. The hardness of banana fruits in the experimental group decreased faster than that in the control group. Furthermore, the conductivity was higher in the experimental group than in the control group. Regarding PLC activity, DAG, and PA content, bananas in the experimental group showed higher activities than those in the control group. Moreover, relatively higher expression of PLC mRNA was detected in anthracnose-inoculated tissues. The evaluation of MaPLC-1 and MaPLC-2 expression levels showed that the mature peel had the highest MaPLC-1 expression level. However, the MaPLC-2 gene was expressed at relatively low levels in the fruit and at relatively high levels in the flower organs. PLC might play a role in fruit ripening in response to anthracnose resistance.
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Affiliation(s)
- Liang Shuai
- Guangxi Crop Genetic Improvement and Biotechnology Key LaboratoryGuangxi Academy of Agricultural SciencesNanningChina
- College of Food and Biological Engineering/Institute of Food Science and Engineering TechnologyHezhou UniversityHezhouGuangxiChina
- Guangxi Key Laboratory of Fruits and Vegetables Storage‐processing TechnologyGuangxi Academy of Agricultural SciencesNanningChina
| | - Li Li
- Guangxi Key Laboratory of Fruits and Vegetables Storage‐processing TechnologyGuangxi Academy of Agricultural SciencesNanningChina
- Agro‐food Science and Technology Research InstituteGuangxi Academy of Agricultural SciencesNanningChina
| | - Jian Sun
- Guangxi Crop Genetic Improvement and Biotechnology Key LaboratoryGuangxi Academy of Agricultural SciencesNanningChina
- Guangxi Key Laboratory of Fruits and Vegetables Storage‐processing TechnologyGuangxi Academy of Agricultural SciencesNanningChina
- Agro‐food Science and Technology Research InstituteGuangxi Academy of Agricultural SciencesNanningChina
| | - Lingyan Liao
- College of Food and Biological Engineering/Institute of Food Science and Engineering TechnologyHezhou UniversityHezhouGuangxiChina
| | - Zhenhua Duan
- College of Food and Biological Engineering/Institute of Food Science and Engineering TechnologyHezhou UniversityHezhouGuangxiChina
| | - Changbao Li
- Guangxi Key Laboratory of Fruits and Vegetables Storage‐processing TechnologyGuangxi Academy of Agricultural SciencesNanningChina
- Agro‐food Science and Technology Research InstituteGuangxi Academy of Agricultural SciencesNanningChina
| | - Xuemei He
- Guangxi Key Laboratory of Fruits and Vegetables Storage‐processing TechnologyGuangxi Academy of Agricultural SciencesNanningChina
- Agro‐food Science and Technology Research InstituteGuangxi Academy of Agricultural SciencesNanningChina
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15
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Nay MM, Souza TLPO, Raatz B, Mukankusi CM, Gonçalves-Vidigal MC, Abreu AFB, Melo LC, Pastor-Corrales MA. A Review of Angular Leaf Spot Resistance in Common Bean. CROP SCIENCE 2019; 59:1376-1391. [PMID: 33343018 PMCID: PMC7680949 DOI: 10.2135/cropsci2018.09.0596] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 02/05/2019] [Indexed: 05/05/2023]
Abstract
Angular leaf spot (ALS), caused by Pseudocercospora griseola, is one of the most devastating diseases of common bean (Phaseolus vulgaris L.) in tropical and subtropical production areas. Breeding for ALS resistance is difficult due to the extensive virulence diversity of P. griseola and the recurrent appearance of new virulent races. Five major loci, Phg-1 to Phg-5, conferring ALS resistance have been named, and markers tightly linked to these loci have been reported. Quantitative trait loci (QTLs) have also been described, but the validation of some QTLs is still pending. The Phg-1, Phg-4, and Phg-5 loci are from common bean cultivars of the Andean gene pool, whereas Phg-2 and Phg-3 are from beans of the Mesoamerican gene pool. The reference genome of common bean and high-throughput sequencing technologies are enabling the development of molecular markers closely linked to the Phg loci, more accurate mapping of the resistance loci, and the comparison of their genomic positions. The objective of this report is to provide a comprehensive review of ALS resistance in common bean. Furthermore, we are reporting three case studies of ALS resistance breeding in Latin America and Africa. This review will serve as a reference for future resistance mapping studies and as a guide for the selection of resistance loci in breeding programs aiming to develop common bean cultivars with durable ALS resistance.
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Affiliation(s)
| | | | - Bodo Raatz
- Centro Internacional de Agricultura Tropical (CIAT), Cali, Colombia
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16
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Jang YJ, Seo M, Hersh CP, Rhee SJ, Kim Y, Lee GP. An evolutionarily conserved non-synonymous SNP in a leucine-rich repeat domain determines anthracnose resistance in watermelon. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2019; 132:473-488. [PMID: 30446794 DOI: 10.1007/s00122-018-3235-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 11/07/2018] [Indexed: 06/09/2023]
Abstract
A non-synonymous SNP of CC-NBS-LRR was firstly mapped to confer resistance to anthracnose in watermelon. Newly proposed LRR domain harboring the SNP is evolutionary conserved in the Cucurbitaceae and Fabaceae. Anthracnose disease caused by Colletotrichum devastates many plants. Despite the importance of the disease, the mechanisms of resistance against it are poorly understood. Here, we identified a non-synonymous single-nucleotide polymorphism (SNP) located in a leucine-rich repeat domain as a marker for resistance to anthracnose race 1 in watermelon, using a combination of genetic analyses. We validated this SNP in segregating populations and 59 watermelon accessions using high-resolution melting assays and Sanger sequencing. We demonstrated that the resulting arginine-to-lysine substitution is particularly conserved among the Cucurbitaceae and Fabaceae. We identified a conserved motif, IxxLPxSxxxLYNLQTLxL, found in 1007 orthologues/paralogues from 89 plant species, and discovered that residue 18 of this motif could determine resistance to disease caused by external invaders. This study provides a step forward in understanding anthracnose resistance in watermelon, as well as functional and evolutionary insight into leucine-rich repeat proteins.
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Affiliation(s)
- Yoon Jeong Jang
- Department of Integrative Plant Science, Chung-Ang University, Anseong, 17546, Republic of Korea
| | - Minseok Seo
- Channing Division of Network Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA
| | - Craig P Hersh
- Channing Division of Network Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA
| | - Sun-Ju Rhee
- Department of Plant Sciences, The University of Cambridge, Cambridge, CB2 3EA, UK
| | - Yongjae Kim
- Partner Seeds Co., Ltd., Anseong, 17601, Republic of Korea
| | - Gung Pyo Lee
- Department of Integrative Plant Science, Chung-Ang University, Anseong, 17546, Republic of Korea.
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17
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Chen NWG, Thareau V, Ribeiro T, Magdelenat G, Ashfield T, Innes RW, Pedrosa-Harand A, Geffroy V. Common Bean Subtelomeres Are Hot Spots of Recombination and Favor Resistance Gene Evolution. FRONTIERS IN PLANT SCIENCE 2018; 9:1185. [PMID: 30154814 PMCID: PMC6102362 DOI: 10.3389/fpls.2018.01185] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 07/24/2018] [Indexed: 05/10/2023]
Abstract
Subtelomeres of most eukaryotes contain fast-evolving genes usually involved in adaptive processes. In common bean (Phaseolus vulgaris), the Co-2 anthracnose resistance (R) locus corresponds to a cluster of nucleotide-binding-site leucine-rich-repeat (NL) encoding sequences, the prevalent class of plant R genes. To study the recent evolution of this R gene cluster, we used a combination of sequence, genetic and cytogenetic comparative analyses between common bean genotypes from two distinct gene pools (Andean and Mesoamerican) that diverged 0.165 million years ago. Co-2 is a large subtelomeric cluster on chromosome 11 comprising from 32 (Mesoamerican) to 52 (Andean) NL sequences embedded within khipu satellite repeats. Since the recent split between Andean and Mesoamerican gene pools, the Co-2 cluster has experienced numerous gene-pool specific NL losses, leading to distinct NL repertoires. The high proportion of solo-LTR retrotransposons indicates that the Co-2 cluster is located in a hot spot of unequal intra-strand homologous recombination. Furthermore, we observe large segmental duplications involving both Non-Homologous End Joining and Homologous Recombination double-strand break repair pathways. Finally, the identification of a Mesoamerican-specific subtelomeric sequence reveals frequent interchromosomal recombinations between common bean subtelomeres. Altogether, our results highlight that common bean subtelomeres are hot spots of recombination and favor the rapid evolution of R genes. We propose that chromosome ends could act as R gene incubators in many plant genomes.
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Affiliation(s)
- Nicolas W. G. Chen
- Institute of Plant Sciences Paris-Saclay (IPS2), UMR 9213/UMR1403, CNRS, INRA, Université Paris-Sud, Université d’Evry, Université Paris-Diderot Sorbonne Paris Cité, Orsay, France
- IRHS, INRA, AGROCAMPUS OUEST, Université d’Angers, SFR 4207 QUASAV, Beaucouzé, France
| | - Vincent Thareau
- Institute of Plant Sciences Paris-Saclay (IPS2), UMR 9213/UMR1403, CNRS, INRA, Université Paris-Sud, Université d’Evry, Université Paris-Diderot Sorbonne Paris Cité, Orsay, France
| | - Tiago Ribeiro
- Laboratory of Plant Cytogenetics, Federal University of Pernambuco, Recife, Brazil
| | - Ghislaine Magdelenat
- Genoscope/Commissariat à l’Energie Atomique-Centre National de Séquençage, Evry, France
| | - Tom Ashfield
- Department of Biology, Indiana University, Bloomington, IN, United States
| | - Roger W. Innes
- Department of Biology, Indiana University, Bloomington, IN, United States
| | | | - Valérie Geffroy
- Institute of Plant Sciences Paris-Saclay (IPS2), UMR 9213/UMR1403, CNRS, INRA, Université Paris-Sud, Université d’Evry, Université Paris-Diderot Sorbonne Paris Cité, Orsay, France
- *Correspondence: Valérie Geffroy,
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18
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Meziadi C, Blanchet S, Geffroy V, Pflieger S. Genetic resistance against viruses in Phaseolus vulgaris L.: State of the art and future prospects. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2017; 265:39-50. [PMID: 29223341 DOI: 10.1016/j.plantsci.2017.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Revised: 07/24/2017] [Accepted: 08/15/2017] [Indexed: 06/07/2023]
Abstract
Viruses are obligate parasites that replicate intracellularly in many living organisms, including plants. Consequently, no chemicals are available that target only the virus without impacting host cells or vector organisms. The use of natural resistant varieties appears as the most reliable control strategy and remains the best and cheapest option in managing virus diseases, especially in the current ecological context of preserving biodiversity and environment in which the use of phytosanitary products becomes limited. Common bean is a grain legume cultivated mainly in Africa and Central-South America. Virus diseases of common bean have been extensively studied both by breeders to identify natural resistance genes in existing germplasms and by pathologists to understand the molecular bases of plant-virus interactions. Here we present a critical review in which we synthesize previous and recent information concerning 1) main viruses causing diseases in common bean, 2) genetic resistance to viruses in common bean, 3) the different resistance phenotypes observed and more particularly the effect of temperature, 4) the molecular bases of resistance genes to viruses in common bean, and 5) future prospects using transgenic-engineered resistant lines.
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Affiliation(s)
- Chouaïb Meziadi
- Institute of Plant Sciences Paris Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France; Institute of Plant Sciences Paris-Saclay IPS2, Paris Diderot, Sorbonne Paris-Cité, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France
| | - Sophie Blanchet
- Institute of Plant Sciences Paris Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France; Institute of Plant Sciences Paris-Saclay IPS2, Paris Diderot, Sorbonne Paris-Cité, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France
| | - Valérie Geffroy
- Institute of Plant Sciences Paris Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France; Institute of Plant Sciences Paris-Saclay IPS2, Paris Diderot, Sorbonne Paris-Cité, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France
| | - Stéphanie Pflieger
- Institute of Plant Sciences Paris Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France; Institute of Plant Sciences Paris-Saclay IPS2, Paris Diderot, Sorbonne Paris-Cité, Bâtiment 630, rue Noetzlin, CS 80004, 91192 Gif sur Yvette cedex, France.
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19
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Campa A, Trabanco N, Ferreira JJ. Identification of Clusters that Condition Resistance to Anthracnose in the Common Bean Differential Cultivars AB136 and MDRK. PHYTOPATHOLOGY 2017; 107:1515-1521. [PMID: 28742459 DOI: 10.1094/phyto-01-17-0012-r] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The correct identification of the anthracnose resistance systems present in the common bean cultivars AB136 and MDRK is important because both are included in the set of 12 differential cultivars proposed for use in classifying the races of the anthracnose causal agent, Colletrotrichum lindemuthianum. In this work, the responses against seven C. lindemuthianum races were analyzed in a recombinant inbred line population derived from the cross AB136 × MDRK. A genetic linkage map of 100 molecular markers distributed across the 11 bean chromosomes was developed in this population to locate the gene or genes conferring resistance against each race, based on linkage analyses and χ2 tests of independence. The identified anthracnose resistance genes were organized in clusters. Two clusters were found in AB136: one located on linkage group Pv07, which corresponds to the anthracnose resistance cluster Co-5, and the other located at the end of linkage group Pv11, which corresponds to the Co-2 cluster. The presence of resistance genes at the Co-5 cluster in AB136 was validated through an allelism test conducted in the F2 population TU × AB136. The presence of resistance genes at the Co-2 cluster in AB136 was validated through genetic dissection using the F2:3 population ABM3 × MDRK, in which it was directly mapped to a genomic position between 46.01 and 47.77 Mb of chromosome Pv11. In MDRK, two independent clusters were identified: one located on linkage group Pv01, corresponding to the Co-1 cluster, and the second located on LG Pv04, corresponding to the Co-3 cluster. This report enhances the understanding of the race-specific Phaseolus vulgaris-C. lindemuthianum interactions and will be useful in breeding programs.
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Affiliation(s)
- Ana Campa
- First and third authors: Plant Genetics, Area of Horticultural and Forest Crops, SERIDA, Asturias, Spain; and second author: Division of Plant Production (DiSAA), Università degli Studi di Milano, Via Celoria 2, Milan (Italy)
| | - Noemí Trabanco
- First and third authors: Plant Genetics, Area of Horticultural and Forest Crops, SERIDA, Asturias, Spain; and second author: Division of Plant Production (DiSAA), Università degli Studi di Milano, Via Celoria 2, Milan (Italy)
| | - Juan José Ferreira
- First and third authors: Plant Genetics, Area of Horticultural and Forest Crops, SERIDA, Asturias, Spain; and second author: Division of Plant Production (DiSAA), Università degli Studi di Milano, Via Celoria 2, Milan (Italy)
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Valentini G, Gonçalves-Vidigal MC, Hurtado-Gonzales OP, de Lima Castro SA, Cregan PB, Song Q, Pastor-Corrales MA. High-resolution mapping reveals linkage between genes in common bean cultivar Ouro Negro conferring resistance to the rust, anthracnose, and angular leaf spot diseases. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2017; 130:1705-1722. [PMID: 28560590 DOI: 10.1007/s00122-017-2920-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 05/04/2017] [Indexed: 05/13/2023]
Abstract
Co-segregation analysis and high-throughput genotyping using SNP, SSR, and KASP markers demonstrated genetic linkage between Ur-14 and Co-3 4 /Phg-3 loci conferring resistance to the rust, anthracnose and angular leaf spot diseases of common bean. Rust, anthracnose, and angular leaf spot are major diseases of common bean in the Americas and Africa. The cultivar Ouro Negro has the Ur-14 gene that confers broad spectrum resistance to rust and the gene cluster Co-3 4 /Phg-3 containing two tightly linked genes conferring resistance to anthracnose and angular leaf spot, respectively. We used co-segregation analysis and high-throughput genotyping of 179 F2:3 families from the Rudá (susceptible) × Ouro Negro (resistant) cross-phenotyped separately with races of the rust and anthracnose pathogens. The results confirmed that Ur-14 and Co-3 4 /Phg-3 cluster in Ouro Negro conferred resistance to rust and anthracnose, respectively, and that Ur-14 and the Co-3 4 /Phg-3 cluster were closely linked. Genotyping the F2:3 families, first with 5398 SNPs on the Illumina BeadChip BARCBEAN6K_3 and with 15 SSR, and eight KASP markers, specifically designed for the candidate region containing Ur-14 and Co-3 4 /Phg-3, permitted the creation of a high-resolution genetic linkage map which revealed that Ur-14 was positioned at 2.2 cM from Co-3 4 /Phg-3 on the short arm of chromosome Pv04 of the common bean genome. Five flanking SSR markers were tightly linked at 0.1 and 0.2 cM from Ur-14, and two flanking KASP markers were tightly linked at 0.1 and 0.3 cM from Co-3 4 /Phg-3. Many other SSR, SNP, and KASP markers were also linked to these genes. These markers will be useful for the development of common bean cultivars combining the important Ur-14 and Co-3 4 /Phg-3 genes conferring resistance to three of the most destructive diseases of common bean.
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Affiliation(s)
- Giseli Valentini
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, 5790, Maringá-PR, 87020-900, Brazil
| | | | | | | | - Perry B Cregan
- Soybean Genomics Improvement Laboratory, USDA-ARS, BARC-West, Beltsville, MD, 20705, USA
| | - Qijian Song
- Soybean Genomics Improvement Laboratory, USDA-ARS, BARC-West, Beltsville, MD, 20705, USA
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Bassi D, Briñez B, Rosa JS, Oblessuc PR, Almeida CPD, Nucci SM, Silva LCDD, Chiorato AF, Vianello RP, Camargo LEA, Blair MW, Benchimol-Reis LL. Linkage and mapping of quantitative trait loci associated with angular leaf spot and powdery mildew resistance in common beans. Genet Mol Biol 2017; 40:109-122. [PMID: 28222201 PMCID: PMC5409766 DOI: 10.1590/1678-4685-gmb-2015-0314] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 06/20/2016] [Indexed: 11/23/2022] Open
Abstract
Angular leaf spot (ALS) and powdery mildew (PWM) are two important fungi diseases
causing significant yield losses in common beans. In this study, a new genetic
linkage map was constructed using single sequence repeats (SSRs) and single
nucleotide polymorphisms (SNPs), in a segregating population derived from the AND 277
x SEA 5 cross, with 105 recombinant inbred lines. Phenotypic evaluations were
performed in the greenhouse to identify quantitative trait loci
(QTLs) associated with resistance by means of the composite interval mapping
analysis. Four QTLs were identified for ALS resistance. The QTL ALS11AS,
linked on the SNP BAR 5054, mapped on chromosome Pv11, showed the greatest effect
(R2 = 26.5%) on ALS phenotypic variance. For PWM resistance, two QTLs
were detected, PWM2AS and PWM11AS, on Pv2 and Pv11, explaining
7% and 66% of the phenotypic variation, respectively. Both QTLs on Pv11 were mapped
on the same genomic region, suggesting that it is a pleiotropic region. The present
study resulted in the identification of new markers closely linked to ALS and PWM
QTLs, which can be used for marker-assisted selection, fine mapping and positional
cloning.
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Affiliation(s)
- Denis Bassi
- Centro de Recursos Genéticos Vegetais, Instituto Agronômico de Campinas (IAC), Campinas, SP, Brazil
| | - Boris Briñez
- Centro de Recursos Genéticos Vegetais, Instituto Agronômico de Campinas (IAC), Campinas, SP, Brazil
| | - Juliana Santa Rosa
- Centro de Recursos Genéticos Vegetais, Instituto Agronômico de Campinas (IAC), Campinas, SP, Brazil
| | - Paula Rodrigues Oblessuc
- Centro de Recursos Genéticos Vegetais, Instituto Agronômico de Campinas (IAC), Campinas, SP, Brazil
| | - Caléo Panhoca de Almeida
- Centro de Recursos Genéticos Vegetais, Instituto Agronômico de Campinas (IAC), Campinas, SP, Brazil
| | - Stella Maris Nucci
- Centro de Recursos Genéticos Vegetais, Instituto Agronômico de Campinas (IAC), Campinas, SP, Brazil
| | | | | | | | - Luis Eduardo Aranha Camargo
- Departamento de Fitopatologia, Escola Superior de Agricultura Luiz de Queiroz (ESALQ), Universidade de São Paulo (USP), Piracicaba, SP, Brazil
| | - Matthew Wohlgemuth Blair
- Department of Agriculture and Environmental Sciences, Tennessee State University, Nashville, TN, USA
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Jain S, Chittem K, Brueggeman R, Osorno JM, Richards J, Nelson BD. Comparative Transcriptome Analysis of Resistant and Susceptible Common Bean Genotypes in Response to Soybean Cyst Nematode Infection. PLoS One 2016; 11:e0159338. [PMID: 27441552 PMCID: PMC4956322 DOI: 10.1371/journal.pone.0159338] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 06/30/2016] [Indexed: 12/21/2022] Open
Abstract
Soybean cyst nematode (SCN; Heterodera glycines Ichinohe) reproduces on the roots of common bean (Phaseolus vulgaris L.) and can cause reductions in plant growth and seed yield. The molecular changes in common bean roots caused by SCN infection are unknown. Identification of genetic factors associated with SCN resistance could help in development of improved bean varieties with high SCN resistance. Gene expression profiling was conducted on common bean roots infected by SCN HG type 0 using next generation RNA sequencing technology. Two pinto bean genotypes, PI533561 and GTS-900, resistant and susceptible to SCN infection, respectively, were used as RNA sources eight days post inoculation. Total reads generated ranged between ~ 3.2 and 5.7 million per library and were mapped to the common bean reference genome. Approximately 70-90% of filtered RNA-seq reads uniquely mapped to the reference genome. In the inoculated roots of resistant genotype PI533561, a total of 353 genes were differentially expressed with 154 up-regulated genes and 199 down-regulated genes when compared to the transcriptome of non- inoculated roots. On the other hand, 990 genes were differentially expressed in SCN-inoculated roots of susceptible genotype GTS-900 with 406 up-regulated and 584 down-regulated genes when compared to non-inoculated roots. Genes encoding nucleotide-binding site leucine-rich repeat resistance (NLR) proteins, WRKY transcription factors, pathogenesis-related (PR) proteins and heat shock proteins involved in diverse biological processes were differentially expressed in both resistant and susceptible genotypes. Overall, suppression of the photosystem was observed in both the responses. Furthermore, RNA-seq results were validated through quantitative real time PCR. This is the first report describing genes/transcripts involved in SCN-common bean interaction and the results will have important implications for further characterization of SCN resistance genes in common bean.
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Affiliation(s)
- Shalu Jain
- Department of Plant Pathology, North Dakota State University, Fargo, North Dakota, 58108, United States of America
| | - Kishore Chittem
- Department of Plant Pathology, North Dakota State University, Fargo, North Dakota, 58108, United States of America
| | - Robert Brueggeman
- Department of Plant Pathology, North Dakota State University, Fargo, North Dakota, 58108, United States of America
| | - Juan M. Osorno
- Department of Plant Sciences, North Dakota State University, Fargo, North Dakota, 58108, United States of America
| | - Jonathan Richards
- Department of Plant Pathology, North Dakota State University, Fargo, North Dakota, 58108, United States of America
| | - Berlin D. Nelson
- Department of Plant Pathology, North Dakota State University, Fargo, North Dakota, 58108, United States of America
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Zuiderveen GH, Padder BA, Kamfwa K, Song Q, Kelly JD. Genome-Wide Association Study of Anthracnose Resistance in Andean Beans (Phaseolus vulgaris). PLoS One 2016; 11:e0156391. [PMID: 27270627 PMCID: PMC4894742 DOI: 10.1371/journal.pone.0156391] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 05/15/2016] [Indexed: 12/29/2022] Open
Abstract
Anthracnose is a seed-borne disease of common bean (Phaseolus vulgaris L.) caused by the fungus Colletotrichum lindemuthianum, and the pathogen is cosmopolitan in distribution. The objectives of this study were to identify new sources of anthracnose resistance in a diverse panel of 230 Andean beans comprised of multiple seed types and market classes from the Americas, Africa, and Europe, and explore the genetic basis of this resistance using genome-wide association mapping analysis (GWAS). Twenty-eight of the 230 lines tested were resistant to six out of the eight races screened, but only one cultivar Uyole98 was resistant to all eight races (7, 39, 55, 65, 73, 109, 2047, and 3481) included in the study. Outputs from the GWAS indicated major quantitative trait loci (QTL) for resistance on chromosomes, Pv01, Pv02, and Pv04 and two minor QTL on Pv10 and Pv11. Candidate genes associated with the significant SNPs were detected on all five chromosomes. An independent QTL study was conducted to confirm the physical location of the Co-1 locus identified on Pv01 in an F4:6 recombinant inbred line (RIL) population. Resistance was determined to be conditioned by the single dominant gene Co-1 that mapped between 50.16 and 50.30 Mb on Pv01, and an InDel marker (NDSU_IND_1_50.2219) tightly linked to the gene was developed. The information reported will provide breeders with new and diverse sources of resistance and genomic regions to target in the development of anthracnose resistance in Andean beans.
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Affiliation(s)
- Grady H. Zuiderveen
- Dept. of Plant, Soil and Microbial Sciences, Michigan State Univ., 1066 Bogue St., East Lansing, MI, 48824, United States of America
| | - Bilal A. Padder
- Dept. of Plant, Soil and Microbial Sciences, Michigan State Univ., 1066 Bogue St., East Lansing, MI, 48824, United States of America
| | - Kelvin Kamfwa
- Dept. of Plant, Soil and Microbial Sciences, Michigan State Univ., 1066 Bogue St., East Lansing, MI, 48824, United States of America
| | - Qijian Song
- USDA-ARS, 10300 Baltimore Ave., Soybean Genomics and Improvement Laboratory, BARC, Beltsville, MD, 20705–2350, United States of America
| | - James D. Kelly
- Dept. of Plant, Soil and Microbial Sciences, Michigan State Univ., 1066 Bogue St., East Lansing, MI, 48824, United States of America
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24
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Burt AJ, William HM, Perry G, Khanal R, Pauls KP, Kelly JD, Navabi A. Candidate Gene Identification with SNP Marker-Based Fine Mapping of Anthracnose Resistance Gene Co-4 in Common Bean. PLoS One 2015; 10:e0139450. [PMID: 26431031 PMCID: PMC4592015 DOI: 10.1371/journal.pone.0139450] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 09/13/2015] [Indexed: 11/23/2022] Open
Abstract
Anthracnose, caused by Colletotrichum lindemuthianum, is an important fungal disease of common bean (Phaseolus vulgaris). Alleles at the Co-4 locus confer resistance to a number of races of C. lindemuthianum. A population of 94 F4:5 recombinant inbred lines of a cross between resistant black bean genotype B09197 and susceptible navy bean cultivar Nautica was used to identify markers associated with resistance in bean chromosome 8 (Pv08) where Co-4 is localized. Three SCAR markers with known linkage to Co-4 and a panel of single nucleotide markers were used for genotyping. A refined physical region on Pv08 with significant association with anthracnose resistance identified by markers was used in BLAST searches with the genomic sequence of common bean accession G19833. Thirty two unique annotated candidate genes were identified that spanned a physical region of 936.46 kb. A majority of the annotated genes identified had functional similarity to leucine rich repeats/receptor like kinase domains. Three annotated genes had similarity to 1, 3-β-glucanase domains. There were sequence similarities between some of the annotated genes found in the study and the genes associated with phosphoinositide-specific phosphilipases C associated with Co-x and the COK-4 loci found in previous studies. It is possible that the Co-4 locus is structured as a group of genes with functional domains dominated by protein tyrosine kinase along with leucine rich repeats/nucleotide binding site, phosphilipases C as well as β-glucanases.
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Affiliation(s)
- Andrew J. Burt
- Department of Plant Agriculture, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - H. Manilal William
- Integrated Breeding Platform, Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Carretera México-Veracruz, Km. 45, El Batán, Texcoco, Mexico 56237
| | - Gregory Perry
- Department of Plant Agriculture, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Raja Khanal
- Department of Plant Agriculture, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - K. Peter Pauls
- Department of Plant Agriculture, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - James D. Kelly
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan 48824, United States of America
| | - Alireza Navabi
- Agriculture and Agri-Food Canada, Greenhouse and Processing Crops Research Centre, Harrow, Ontario, N0R 1G0, Canada
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25
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Afanador-Kafuri L, Mejía JF, González A, Álvarez E. Identifying and Analyzing the Diversity of Resistance Gene Analogs in Colombian Rubus Genotypes. PLANT DISEASE 2015; 99:994-1001. [PMID: 30690980 DOI: 10.1094/pdis-05-14-0475-re] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Five Andean blackberry Rubus genotypes, three resistant and two susceptible to anthracnose, were used to identify regions in the Rubus genome with homology to disease-resistance genes found in other plant species. Polymerase chain reaction amplification with 12 pairs of primers and fragment cloning yielded 520 clones, of which 151 showed inserts between 500 and 700 bp long. When sequenced, 47 clones showed homology with two types of resistance genes, non-Toll/interleukin-1 receptor (TIR) nucleotide binding site (NBS) leucine-rich repeat (LRR) and TIR-NBS-LRR, thereby confirming their designation as resistance gene analogs (RGAs). The number of RGAs detected per Rubus genotype ranged from 7 to 11, with the highest in a wild resistant and a cultivated susceptible genotype. Rubus RGAs were also homologous with several non-TIR- and TIR-type RGAs found in other members of the Rosaceae family (Rosa hybrid cultivar, Rosa roxburghii, Malus × domestica, M. prunifolia, M. baccata, M. floribunda, Pyrus communis, Prunus persica, P. kansuensis, P. avium, and Fragaria vesca). Three RGAs shared identity with two Rosaceae RGAs associated with the CRPM1 locus for powdery mildew resistance in R. roxburghii and the Rosa hybrid cultivar. This is the first report on RGAs present in the Andean blackberry in Colombia.
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Affiliation(s)
| | - J F Mejía
- Tropical Fruit Project, International Center for Tropical Agriculture (CIAT), Cali, Colombia
| | - A González
- Tropical Fruit Project, International Center for Tropical Agriculture (CIAT), Cali, Colombia
| | - E Álvarez
- Tropical Fruit Project, International Center for Tropical Agriculture (CIAT), Cali, Colombia
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26
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Keller B, Manzanares C, Jara C, Lobaton JD, Studer B, Raatz B. Fine-mapping of a major QTL controlling angular leaf spot resistance in common bean (Phaseolus vulgaris L.). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2015; 128:813-26. [PMID: 25740562 PMCID: PMC4544502 DOI: 10.1007/s00122-015-2472-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 01/31/2015] [Indexed: 05/07/2023]
Abstract
KEY MESSAGE A major QTL for angular leaf spot resistance in the common bean accession G5686 was fine-mapped to a region containing 36 candidate genes. Markers have been developed for marker-assisted selection. Common bean (Phaseolus vulgaris L.) is an important grain legume and an essential protein source for human nutrition in developing countries. Angular leaf spot (ALS) caused by the pathogen Pseudocercospora griseola (Sacc.) Crous and U. Braun is responsible for severe yield losses of up to 80%. Breeding for resistant cultivars is the most ecological and economical means to control ALS and is particularly important for yield stability in low-input agriculture. Here, we report on a fine-mapping approach of a major quantitative trait locus (QTL) ALS4.1(GS, UC) for ALS resistance in a mapping population derived from the resistant genotype G5686 and the susceptible cultivar Sprite. 180 F3 individuals of the mapping population were evaluated for ALS resistance and genotyped with 22 markers distributed over 11 genome regions colocating with previously reported QTL for ALS resistance. Multiple QTL analysis identified three QTL regions, including one major QTL on chromosome Pv04 at 43.7 Mbp explaining over 75% of the observed variation for ALS resistance. Additional evaluation of 153 F4, 89 BC1F2 and 139 F4/F5/BC1F3 descendants with markers in the region of the major QTL delimited the region to 418 kbp harboring 36 candidate genes. Among these, 11 serine/threonine protein kinases arranged in a repetitive array constitute promising candidate genes for controlling ALS resistance. Single nucleotide polymorphism markers cosegregating with the major QTL for ALS resistance have been developed and constitute the basis for marker-assisted introgression of ALS resistance into advanced breeding germplasm of common bean.
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Affiliation(s)
- Beat Keller
- Forage Crop Genetics, Institute of Agricultural Sciences, ETH Zurich, Universitaetstrasse 2, 8092 Zurich, Switzerland
| | - Chloe Manzanares
- Forage Crop Genetics, Institute of Agricultural Sciences, ETH Zurich, Universitaetstrasse 2, 8092 Zurich, Switzerland
| | - Carlos Jara
- Agrobiodiversity Research Area, Bean Program, CIAT Cali-Palmira, A. A. 6713, Cali, Colombia
| | - Juan David Lobaton
- Agrobiodiversity Research Area, Bean Program, CIAT Cali-Palmira, A. A. 6713, Cali, Colombia
| | - Bruno Studer
- Forage Crop Genetics, Institute of Agricultural Sciences, ETH Zurich, Universitaetstrasse 2, 8092 Zurich, Switzerland
| | - Bodo Raatz
- Agrobiodiversity Research Area, Bean Program, CIAT Cali-Palmira, A. A. 6713, Cali, Colombia
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27
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Oblessuc PR, Matiolli CC, Chiorato AF, Camargo LEA, Benchimol-Reis LL, Melotto M. Common bean reaction to angular leaf spot comprises transcriptional modulation of genes in the ALS10.1 QTL. FRONTIERS IN PLANT SCIENCE 2015. [PMID: 25815001 DOI: 10.3389/fpls.2015.00152/abstract] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Genetic resistance of common bean (Phaseolus vulgaris L.) against angular leaf spot (ALS), caused by the fungus Pseudocercospora griseola, is conferred by quantitative trait loci (QTL). In this study, we determined the gene content of the major QTL ALS10.1 located at the end of chromosome Pv10, and identified those that are responsive to ALS infection in resistant (CAL 143) and susceptible (IAC-UNA) genotypes. Based on the current version of the common bean reference genome, the ALS10.1 core region contains 323 genes. Gene Ontology (GO) analysis of these coding sequences revealed the presence of genes involved in signal perception and transduction, programmed cell death (PCD), and defense responses. Two putative R gene clusters were found at ALS10.1 containing evolutionary related coding sequences. Among them, the Phvul.010G025700 was consistently up-regulated in the infected IAC-UNA suggesting its contribution to plant susceptibility to the fungus. We identified six other genes that were regulated during common bean response to P. griseola; three of them might be negative regulators of immunity as they showed opposite expression patterns during resistant and susceptible reactions at the initial phase of fungal infection. Taken together, these findings suggest that common bean reaction to P. griseola involves transcriptional modulation of defense genes in the ALS10.1 locus, contributing to resistance or susceptibility depending on the plant-pathogen interaction.
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Affiliation(s)
- Paula R Oblessuc
- Department of Plant Sciences, University of California, Davis Davis, CA, USA ; Departamento de Genética e Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de Campinas Campinas, Brazil ; Centro de Pesquisa e Desenvolvimento em Recursos Genéticos Vegetais, Instituto Agronômico de Campinas-IAC Campinas, Brazil
| | - Cleverson C Matiolli
- Departamento de Genética e Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de Campinas Campinas, Brazil
| | - Alisson F Chiorato
- Centro de Grãos e Fibras, Instituto Agronômico de Campinas-IAC Campinas, Brazil
| | - Luis E A Camargo
- Departamento de Fitopatologia, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo Piracicaba, Brazil
| | - Luciana L Benchimol-Reis
- Centro de Pesquisa e Desenvolvimento em Recursos Genéticos Vegetais, Instituto Agronômico de Campinas-IAC Campinas, Brazil
| | - Maeli Melotto
- Department of Plant Sciences, University of California, Davis Davis, CA, USA
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Oblessuc PR, Matiolli CC, Chiorato AF, Camargo LEA, Benchimol-Reis LL, Melotto M. Common bean reaction to angular leaf spot comprises transcriptional modulation of genes in the ALS10.1 QTL. FRONTIERS IN PLANT SCIENCE 2015; 6:152. [PMID: 25815001 PMCID: PMC4357252 DOI: 10.3389/fpls.2015.00152] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 02/25/2015] [Indexed: 05/11/2023]
Abstract
Genetic resistance of common bean (Phaseolus vulgaris L.) against angular leaf spot (ALS), caused by the fungus Pseudocercospora griseola, is conferred by quantitative trait loci (QTL). In this study, we determined the gene content of the major QTL ALS10.1 located at the end of chromosome Pv10, and identified those that are responsive to ALS infection in resistant (CAL 143) and susceptible (IAC-UNA) genotypes. Based on the current version of the common bean reference genome, the ALS10.1 core region contains 323 genes. Gene Ontology (GO) analysis of these coding sequences revealed the presence of genes involved in signal perception and transduction, programmed cell death (PCD), and defense responses. Two putative R gene clusters were found at ALS10.1 containing evolutionary related coding sequences. Among them, the Phvul.010G025700 was consistently up-regulated in the infected IAC-UNA suggesting its contribution to plant susceptibility to the fungus. We identified six other genes that were regulated during common bean response to P. griseola; three of them might be negative regulators of immunity as they showed opposite expression patterns during resistant and susceptible reactions at the initial phase of fungal infection. Taken together, these findings suggest that common bean reaction to P. griseola involves transcriptional modulation of defense genes in the ALS10.1 locus, contributing to resistance or susceptibility depending on the plant-pathogen interaction.
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Affiliation(s)
- Paula R. Oblessuc
- Department of Plant Sciences, University of California, DavisDavis, CA, USA
- Departamento de Genética e Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de CampinasCampinas, Brazil
- Centro de Pesquisa e Desenvolvimento em Recursos Genéticos Vegetais, Instituto Agronômico de Campinas—IACCampinas, Brazil
| | - Cleverson C. Matiolli
- Departamento de Genética e Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de CampinasCampinas, Brazil
| | - Alisson F. Chiorato
- Centro de Grãos e Fibras, Instituto Agronômico de Campinas—IACCampinas, Brazil
| | - Luis E. A. Camargo
- Departamento de Fitopatologia, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São PauloPiracicaba, Brazil
| | - Luciana L. Benchimol-Reis
- Centro de Pesquisa e Desenvolvimento em Recursos Genéticos Vegetais, Instituto Agronômico de Campinas—IACCampinas, Brazil
| | - Maeli Melotto
- Department of Plant Sciences, University of California, DavisDavis, CA, USA
- *Correspondence: Maeli Melotto, Department of Plant Sciences, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
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29
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Muñoz-Bodnar A, Perez-Quintero AL, Gomez-Cano F, Gil J, Michelmore R, Bernal A, Szurek B, Lopez C. RNAseq analysis of cassava reveals similar plant responses upon infection with pathogenic and non-pathogenic strains of Xanthomonas axonopodis pv. manihotis. PLANT CELL REPORTS 2014; 33:1901-12. [PMID: 25120000 DOI: 10.1007/s00299-014-1667-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2014] [Revised: 06/25/2014] [Accepted: 07/23/2014] [Indexed: 05/28/2023]
Abstract
An RNAseq-based analysis of the cassava plants inoculated with Xam allowed the identification of transcriptional upregulation of genes involved in jasmonate metabolism, phenylpropanoid biosynthesis and putative targets for a TALE. Cassava bacterial blight, a disease caused by the gram-negative bacterium Xanthomonas axonopodis pv. manihotis (Xam), is a major limitation to cassava production worldwide and especially in developing countries. The molecular mechanisms underlying cassava susceptibility to Xam are currently unknown. To identify host genes and pathways leading to plant susceptibility, we analyzed the transcriptomic responses occurring in cassava plants challenged with either the non-pathogenic Xam strain ORST4, or strain ORST4(TALE1 Xam ) which is pathogenic due to the major virulence transcription activator like effector TALE1 Xam . Both strains triggered similar responses, i.e., induction of genes related to photosynthesis and phenylpropanoid biosynthesis, and repression of genes related to jasmonic acid signaling. Finally, to search for TALE1 Xam virulence targets, we scanned the list of cassava genes induced upon inoculation of ORST4(TALE1 Xam ) for candidates harboring a predicted TALE1 Xam effector binding element in their promoter. Among the six genes identified as potential candidate targets of TALE1 Xam a gene coding for a heat shock transcription factor stands out as the best candidate based on their induction in presence of TALE1 Xam and contain a sequence putatively recognized by TALE1 Xam .
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Affiliation(s)
- Alejandra Muñoz-Bodnar
- Manihot Biotec Group, Department of Biology, Universidad Nacional de Colombia, Bogotá, Colombia
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30
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Abstract
Multiple disease resistance has important implications for plant fitness, given the selection pressure that many pathogens exert directly on natural plant populations and indirectly via crop improvement programs. Evidence of a locus conditioning resistance to multiple pathogens was found in bin 1.06 of the maize genome with the allele from inbred line "Tx303" conditioning quantitative resistance to northern leaf blight (NLB) and qualitative resistance to Stewart's wilt. To dissect the genetic basis of resistance in this region and to refine candidate gene hypotheses, we mapped resistance to the two diseases. Both resistance phenotypes were localized to overlapping regions, with the Stewart's wilt interval refined to a 95.9-kb segment containing three genes and the NLB interval to a 3.60-Mb segment containing 117 genes. Regions of the introgression showed little to no recombination, suggesting structural differences between the inbred lines Tx303 and "B73," the parents of the fine-mapping population. We examined copy number variation across the region using next-generation sequencing data, and found large variation in read depth in Tx303 across the region relative to the reference genome of B73. In the fine-mapping region, association mapping for NLB implicated candidate genes, including a putative zinc finger and pan1. We tested mutant alleles and found that pan1 is a susceptibility gene for NLB and Stewart's wilt. Our data strongly suggest that structural variation plays an important role in resistance conditioned by this region, and pan1, a gene conditioning susceptibility for NLB, may underlie the QTL.
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Lei X, Yao Q, Xu X, Liu Y. Isolation and characterization of NBS-LRR resistance gene analogues from mango. BIOTECHNOL BIOTEC EQ 2014; 28:417-424. [PMID: 26740762 PMCID: PMC4684051 DOI: 10.1080/13102818.2014.931706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 04/22/2014] [Indexed: 11/24/2022] Open
Abstract
The nucleotide-binding site (NBS)–leucine-rich repeat (LRR) gene family is a class of R genes in plants. NBS genes play a very important role in disease defence. To further study the variation and homology of mango NBS–LRR genes, 16 resistance gene analogues (RGAs) (GenBank accession number HM446507-22) were isolated from the polymerase chain reaction fragments and sequenced by using two degenerate primer sets. The total nucleotide diversity index Pi was 0.362, and 236 variation sites were found among 16 RGAs. The degree of homology between the RGAs varied from 44.4% to 98.5%. Sixteen RGAs could be translated into amino sequences. The high level of this homology in the protein sequences of the P-loop and kinase-2 of the NBS domain between the RGAs isolated in this study and previously characterized R genes indicated that these cloned sequences belonged to the NBS–LRR gene family. Moreover, these 16 RGAs could be classified into the non-TIR–NBS–LRR gene family because only tryptophan (W) could be claimed as the final residual of the kinase-2 domain of all RGAs isolated here. From our results, we concluded that our mango NBS–LRR genes possessed a high level of variation from the mango genome, which may allow mango to recognize many different pathogenic virulence factors.
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Affiliation(s)
- Xintao Lei
- Chinese Academy of Tropical Agriculture Science, South Subtropical Crops Research Institute , Zhanjiang , Guangdong , P.R. China
| | - Quansheng Yao
- Chinese Academy of Tropical Agriculture Science, South Subtropical Crops Research Institute , Zhanjiang , Guangdong , P.R. China
| | - Xuerong Xu
- Chinese Academy of Tropical Agriculture Science, South Subtropical Crops Research Institute , Zhanjiang , Guangdong , P.R. China
| | - Yang Liu
- Chinese Academy of Tropical Agriculture Science, South Subtropical Crops Research Institute, Zhanjiang, Guangdong, P.R. China; Chinese Academy of Tropical Agriculture Science, Zhanjiang Experiment Station, Zhanjiang, Guangdong, P.R. China
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Oblessuc PR, Cardoso Perseguini JMK, Baroni RM, Chiorato AF, Carbonell SAM, Mondego JMC, Vidal RO, Camargo LEA, Benchimol-Reis LL. Increasing the density of markers around a major QTL controlling resistance to angular leaf spot in common bean. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2013; 126:2451-65. [PMID: 23832048 DOI: 10.1007/s00122-013-2146-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 06/14/2013] [Indexed: 05/21/2023]
Abstract
Angular leaf spot (ALS) causes major yield losses in the common bean (Phaseolus vulgaris L.), an important protein source in the human diet. This study describes the saturation around a major quantitative trait locus (QTL) region, ALS10.1, controlling resistance to ALS located on linkage group Pv10 and explores the genomic context of this region using available data from the P. vulgaris genome sequence. DArT-derived markers (STS-DArT) selected by bulk segregant analysis and SCAR and SSR markers were used to increase the resolution of the QTL, reducing the confidence interval of ALS10.1 from 13.4 to 3.0 cM. The position of the SSR ATA220 coincided with the maximum LOD score of the QTL. Moreover, a new QTL (ALS10.2(UC)) was identified at the end of the same linkage group. Sequence analysis using the P. vulgaris genome located ten SSRs and seven STS-DArT on chromosome 10 (Pv10). Coincident linkage and genome positions of five markers enabled the definition of a core region for ALS10.1 spanning 5.3 Mb. These markers are linked to putative genes related to disease resistance such as glycosyl transferase, ankyrin repeat-containing, phospholipase, and squamosa-promoter binding protein. Synteny analysis between ALS10.1 markers and the genome of soybean suggested a dynamic evolution of this locus in the common bean. The present study resulted in the identification of new candidate genes and markers closely linked to a major ALS disease resistance QTL, which can be used in marker-assisted selection, fine mapping and positional QTL cloning.
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Affiliation(s)
- Paula Rodrigues Oblessuc
- Departamento de Genética e Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, 13083-970, Brazil,
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Gonçalves-Vidigal MC, Cruz AS, Lacanallo GF, Vidigal Filho PS, Sousa LL, Pacheco CMNA, McClean P, Gepts P, Pastor-Corrales MA. Co-segregation analysis and mapping of the anthracnose Co-10 and angular leaf spot Phg-ON disease-resistance genes in the common bean cultivar Ouro Negro. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2013; 126:2245-55. [PMID: 23760652 DOI: 10.1007/s00122-013-2131-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 05/21/2013] [Indexed: 05/03/2023]
Abstract
Anthracnose (ANT) and angular leaf spot (ALS) are devastating diseases of common bean (Phaseolus vulgaris L.). Ouro Negro is a highly productive common bean cultivar, which contains the Co-10 and Phg-ON genes for resistance to ANT and ALS, respectively. In this study, we performed a genetic co-segregation analysis of resistance to ANT and ALS using an F2 population from the Rudá × Ouro Negro cross and the F2:3 families from the AND 277 × Ouro Negro cross. Ouro Negro is resistant to races 7 and 73 of the ANT and race 63-39 of the ALS pathogens. Conversely, cultivars AND 277 and Rudá are susceptible to races 7 and 73 of ANT, respectively. Both cultivars are susceptible to race 63-39 of ALS. Co-segregation analysis revealed that Co-10 and Phg-ON were inherited together, conferring resistance to races 7 and 73 of ANT and race 63-39 of ALS. The Co-10 and Phg-ON genes were co-segregated and were tightly linked at a distance of 0.0 cM on chromosome Pv04. The molecular marker g2303 was linked to Co-10 and Phg-ON at a distance of 0.0 cM. Because of their physical linkage in a cis configuration, the Co-10 and Phg-ON resistance alleles are inherited together and can be monitored with great efficiency using g2303. The close linkage between the Co-10 and Phg-ON genes and prior evidence are consistent with the existence of a resistance gene cluster at one end of chromosome Pv04, which also contains the Co-3 locus and ANT resistance quantitative trait loci. These results will be very useful for breeding programs aimed at developing bean cultivars with ANT and ALS resistance using marker-assisted selection.
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Affiliation(s)
- M C Gonçalves-Vidigal
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo 5790, Maringá, Paraná, Brazil
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Pérez-Vega E, Trabanco N, Campa A, Ferreira JJ. Genetic mapping of two genes conferring resistance to powdery mildew in common bean (Phaseolus vulgaris L.). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2013; 126:1503-1512. [PMID: 23456179 DOI: 10.1007/s00122-013-2068-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 02/08/2013] [Indexed: 06/01/2023]
Abstract
Powdery mildew (PM) is a serious disease in many legume species, including the common bean (Phaseolus vulgaris L.). This study investigated the genetic control behind resistance reaction to PM in the bean genotype, Cornell 49242. The results revealed evidence supporting a qualitative mode of inheritance for resistance and the involvement of two independent genes in the resistance reaction. The location of these resistance genes was investigated in a linkage genetic map developed for the XC RIL population. Contingency tests revealed significant associations for 28 loci out of a total of 329 mapped loci. Fifteen were isolated or formed groups with less than two loci. The thirteen remaining loci were located at three regions in linkage groups Pv04, Pv09, and Pv11. The involvement of Pv09 was discarded due to the observed segregation in the subpopulation obtained from the Xana genotype for the loci located in this region. In contrast, the two subpopulations obtained from the Xana genotype for the BM161 locus, linked to the Co-3/9 anthracnose resistance gene (Pv04), and from the Xana genotype for the SCAReoli locus, linked to the Co-2 anthracnose resistance gene (Pv11), exhibited monogenic segregations, suggesting that both regions were involved in the genetic control of resistance. A genetic dissection was carried out to verify the involvement of both regions in the reaction to PM. Two resistant recombinant lines were selected, according to their genotypes, for the block of loci included in the Co-2 and Co-3/9 regions, and they were crossed with the susceptible parent, Xana. Linkage analysis in the respective F2 populations supported the hypothesis that a dominant gene (Pm1) was located in the linkage group Pv11 and another gene (Pm2) was located in the linkage group Pv04. This is the first report showing the localization of resistance genes against powdery mildew in Phaseolus vulgaris and the results offer the opportunity to increase the efficiency of breeding programs by means of marker-assisted selection.
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Affiliation(s)
- Elena Pérez-Vega
- Área de Cultivos Hortofrutícolas y Forestales, Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), 33300 Villaviciosa, Asturias, Spain
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Garzón LN, Oliveros OA, Rosen B, Ligarreto GA, Cook DR, Blair MW. Isolation and characterization of nucleotide-binding site resistance gene homologues in common bean (Phaseolus vulgaris). PHYTOPATHOLOGY 2013; 103:156-68. [PMID: 23294404 DOI: 10.1094/phyto-07-12-0180-r] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Common bean production is constrained by many fungal, viral, and bacterial pathogens. Thus, the identification of resistance (R) genes is an important focal point of common bean research. The main goal of our study was to identify resistance gene homologues (RGH) in the crop, using degenerate primers designed from conserved sequences in the nucleotide-binding site (NBS) domains of R-genes from the model legume Medicago truncatula. Total DNA of the Andean common bean genotype G19833 was used for amplification of over 500 primer combinations. Sequencing of amplicons showed that 403 cloned fragments had uninterrupted open reading frames and were considered representative of functional RGH genes. The sequences were grouped at two levels of nucleotide identity (90 and 80%) and representative sequences of each group were used for phylogenetic analyses. The RGH sequence diversity of common bean was divided into TIR and non-TIR families, each with different clusters. The TIR sequences grouped into 14 clades while non-TIR sequences grouped into seven clades. Pairwise comparisons showed purifying selection, although some sequences may have been the result of diversifying selection. Knowledge about RGH genes in common bean can allow the design of molecular markers for pyramiding of resistance genes against various pathogens.
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Affiliation(s)
- Luz N Garzón
- Facultad de Agronomía, Universidad de Colombia, Bogota, Cra. 30 45-03 Bloque 500, oficina 423
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Oblessuc PR, Borges A, Chowdhury B, Caldas DGG, Tsai SM, Camargo LEA, Melotto M. Dissecting Phaseolus vulgaris innate immune system against Colletotrichum lindemuthianum infection. PLoS One 2012; 7:e43161. [PMID: 22912818 PMCID: PMC3422333 DOI: 10.1371/journal.pone.0043161] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Accepted: 07/17/2012] [Indexed: 12/13/2022] Open
Abstract
Background The genus Colletotrichum is one of the most economically important plant pathogens, causing anthracnose on a wide range of crops including common beans (Phaseolus vulgaris L.). Crop yield can be dramatically decreased depending on the plant cultivar used and the environmental conditions. This study aimed to identify potential genetic components of the bean immune system to provide environmentally friendly control measures against this fungus. Methodology and Principal Findings As the common bean is not amenable to reverse genetics to explore functionality and its genome is not fully curated, we used putative Arabidopsis orthologs of bean expressed sequence tag (EST) to perform bioinformatic analysis and experimental validation of gene expression to identify common bean genes regulated during the incompatible interaction with C. lindemuthianum. Similar to model pathosystems, Gene Ontology (GO) analysis indicated that hormone biosynthesis and signaling in common beans seem to be modulated by fungus infection. For instance, cytokinin and ethylene responses were up-regulated and jasmonic acid, gibberellin, and abscisic acid responses were down-regulated, indicating that these hormones may play a central role in this pathosystem. Importantly, we have identified putative bean gene orthologs of Arabidopsis genes involved in the plant immune system. Based on experimental validation of gene expression, we propose that hypersensitive reaction as part of effector-triggered immunity may operate, at least in part, by down-regulating genes, such as FLS2-like and MKK5-like, putative orthologs of the Arabidopsis genes involved in pathogen perception and downstream signaling. Conclusions/Significance We have identified specific bean genes and uncovered metabolic processes and pathways that may be involved in the immune response against pathogens. Our transcriptome database is a rich resource for mining novel defense-related genes, which enabled us to develop a model of the molecular components of the bean innate immune system regulated upon pathogen attack.
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Affiliation(s)
| | - Aline Borges
- CENA, Universidade de São Paulo, Piracicaba, SP, Brazil
| | - Bablu Chowdhury
- Department of Biology, University of Texas, Arlington, Texas, United States of America
| | | | - Siu Mui Tsai
- CENA, Universidade de São Paulo, Piracicaba, SP, Brazil
| | | | - Maeli Melotto
- Department of Biology, University of Texas, Arlington, Texas, United States of America
- * E-mail:
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Oblessuc PR, Baroni RM, Garcia AAF, Chioratto AF, Carbonell SAM, Camargo LEA, Benchimol LL. Mapping of angular leaf spot resistance QTL in common bean (Phaseolus vulgaris L.) under different environments. BMC Genet 2012; 13:50. [PMID: 22738188 PMCID: PMC3464175 DOI: 10.1186/1471-2156-13-50] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Accepted: 06/08/2012] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Common bean (Phaseolus vulgaris L.) is the most important grain legume for human diet worldwide and the angular leaf spot (ALS) is one of the most devastating diseases of this crop, leading to yield losses as high as 80%. In an attempt to breed resistant cultivars, it is important to first understand the inheritance mode of resistance and to develop tools that could be used in assisted breeding. Therefore, the aim of this study was to identify quantitative trait loci (QTL) controlling resistance to ALS under natural infection conditions in the field and under inoculated conditions in the greenhouse. RESULTS QTL analyses were made using phenotypic data from 346 recombinant inbreed lines from the IAC-UNAxCAL 143 cross, gathered in three experiments, two of which were conducted in the field in different seasons and one in the greenhouse. Joint composite interval mapping analysis of QTLxenvironment interaction was performed. In all, seven QTLs were mapped on five linkage groups. Most of them, with the exception of two, were significant in all experiments. Among these, ALS10.1DG,UC presented major effects (R2 between 16%-22%). This QTL was found linked to the GATS11b marker of linkage group B10, which was consistently amplified across a set of common bean lines and was associated with the resistance. Four new QTLs were identified. Between them the ALS5.2 showed an important effect (9.4%) under inoculated conditions in the greenhouse. ALS4.2 was another major QTL, under natural infection in the field, explaining 10.8% of the variability for resistance reaction. The other QTLs showed minor effects on resistance. CONCLUSIONS The results indicated a quantitative inheritance pattern of ALS resistance in the common bean line CAL 143. QTL x environment interactions were observed. Moreover, the major QTL identified on linkage group B10 could be important for bean breeding, as it was stable in all the environments. Thereby, the GATS11b marker is a potential tool for marker assisted selection for ALS resistance.
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Affiliation(s)
- Paula Rodrigues Oblessuc
- Departamento de Genética e Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil
- Instituto Agronômico (IAC), Av. Barão de Itapura 1481, CP 28, Campinas, São Paulo 13012-970, Brazil
| | - Renata Moro Baroni
- Instituto Agronômico (IAC), Av. Barão de Itapura 1481, CP 28, Campinas, São Paulo 13012-970, Brazil
| | | | | | | | - Luis Eduardo Aranha Camargo
- Universidade de São Paulo – Escola superior de Agricultura “Luiz de Queiroz” (ESALq/USP), Piracicaba, SP, Brazil
| | - Luciana Lasry Benchimol
- Instituto Agronômico (IAC), Av. Barão de Itapura 1481, CP 28, Campinas, São Paulo 13012-970, Brazil
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Joshi RK, Kar B, Mohanty S, Subudhi E, Nayak S. Molecular cloning, characterization, and expression analysis of resistance gene candidates in Kaempferia galanga L. Mol Biotechnol 2012; 50:200-10. [PMID: 21701859 DOI: 10.1007/s12033-011-9430-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Majority of the plant disease resistance genes expresses cytoplasmic receptor-like proteins characterized by an N-terminal nucleotide-binding site (NBS) and a leucine-rich repeat (LRR) domain. Degenerative primers based on these conserved motifs were used to isolate NBS type sequences in Kaempferia galanga. Cloning and sequencing identified 12 Kaempferia NBS-type sequences called resistance gene candidates (RGCs) classified into four classes. The amino acid sequences of the RGCs detected the presence of conserved domains, viz., kinase-1a, kinase-2, and hydrophobic GLPL, categorizing them with the NBS-LRR class gene family. Structural and phylogenetic characterization grouped the RGCs with the non-toll interleukin receptor (non-TIR) subclasses of the NBS sequences. Reverse transcription PCR with 10 Kaempferia RGC specific primers revealed 7 out of 10 Kaempferia RGCs to be expressive. The isolation and characterization of Kaempferia RGCs has been reported for the first time in this study. This will provide a starting point towards characterization of candidate resistance genes in Kaempferia and can act as a source pool for disease resistance development in other asexually reproducing plants.
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Affiliation(s)
- Raj Kumar Joshi
- Centre of Biotechnology, Siksha O Anusandhan University, Bhubaneswar 751003, India
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Quirin EA, Mann H, Meyer RS, Traini A, Chiusano ML, Litt A, Bradeen JM. Evolutionary meta-analysis of solanaceous resistance gene and solanum resistance gene analog sequences and a practical framework for cross-species comparisons. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2012; 25:603-612. [PMID: 22352721 DOI: 10.1094/mpmi-12-11-0318-r] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Cross-species comparative genomics approaches have been employed to map and clone many important disease resistance (R) genes from Solanum species-especially wild relatives of potato and tomato. These efforts will increase with the recent release of potato genome sequence and the impending release of tomato genome sequence. Most R genes belong to the prominent nucleotide binding site-leucine rich repeat (NBS-LRR) class and conserved NBS-LRR protein motifs enable survey of the R gene space of a plant genome by generation of resistance gene analogs (RGA), polymerase chain reaction fragments derived from R genes. We generated a collection of 97 RGA from the disease-resistant wild potato S. bulbocastanum, complementing smaller collections from other Solanum species. To further comparative genomics approaches, we combined all known Solanum RGA and cloned solanaceous NBS-LRR gene sequences, nearly 800 sequences in total, into a single meta-analysis. We defined R gene diversity bins that reflect both evolutionary relationships and DNA cross-hybridization results. The resulting framework is amendable and expandable, providing the research community with a common vocabulary for present and future study of R gene lineages. Through a series of sequence and hybridization experiments, we demonstrate that all tested R gene lineages are of ancient origin, are shared between Solanum species, and can be successfully accessed via comparative genomics approaches.
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Affiliation(s)
- Edmund A Quirin
- University of Minnesota, Department of Plant Pathology, 495 Borlaug Hall/1991 Upper Buford Circle, St. Paul, MN 55108,USA
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Liu Z, Crampton M, Todd A, Kalavacharla V. Identification of expressed resistance gene-like sequences by data mining in 454-derived transcriptomic sequences of common bean (Phaseolus vulgaris L.). BMC PLANT BIOLOGY 2012; 12:42. [PMID: 22443214 PMCID: PMC3353201 DOI: 10.1186/1471-2229-12-42] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Accepted: 03/23/2012] [Indexed: 05/10/2023]
Abstract
BACKGROUND Common bean (Phaseolus vulgaris L.) is one of the most important legumes in the world. Several diseases severely reduce bean production and quality; therefore, it is very important to better understand disease resistance in common bean in order to prevent these losses. More than 70 resistance (R) genes which confer resistance against various pathogens have been cloned from diverse plant species. Most R genes share highly conserved domains which facilitates the identification of new candidate R genes from the same species or other species. The goals of this study were to isolate expressed R gene-like sequences (RGLs) from 454-derived transcriptomic sequences and expressed sequence tags (ESTs) of common bean, and to develop RGL-tagged molecular markers. RESULTS A data-mining approach was used to identify tentative P. vulgaris R gene-like sequences from approximately 1.69 million 454-derived sequences and 116,716 ESTs deposited in GenBank. A total of 365 non-redundant sequences were identified and named as common bean (P. vulgaris = Pv) resistance gene-like sequences (PvRGLs). Among the identified PvRGLs, about 60% (218 PvRGLs) were from 454-derived sequences. Reverse transcriptase-polymerase chain reaction (RT-PCR) analysis confirmed that PvRGLs were actually expressed in the leaves of common bean. Upon comparison to P. vulgaris genomic sequences, 105 (28.77%) of the 365 tentative PvRGLs could be integrated into the existing common bean physical map. Based on the syntenic blocks between common bean and soybean, 237 (64.93%) PvRGLs were anchored on the P. vulgaris genetic map and will need to be mapped to determine order. In addition, 11 sequence-tagged-site (STS) and 19 cleaved amplified polymorphic sequence (CAPS) molecular markers were developed for 25 unique PvRGLs. CONCLUSIONS In total, 365 PvRGLs were successfully identified from 454-derived transcriptomic sequences and ESTs available in GenBank and about 65% of PvRGLs were integrated into the common bean genetic map. A total of 30 RGL-tagged markers were developed for 25 unique PvRGLs, including 11 STS and 19 CAPS markers. The expressed PvRGLs identified in this study provide a large sequence resource for development of RGL-tagged markers that could be used further for genetic mapping of disease resistant candidate genes and quantitative trait locus/loci (QTLs). This work also represents an additional method for identifying expressed RGLs from next generation sequencing data.
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Affiliation(s)
- Zhanji Liu
- College of Agriculture & Related Sciences, Delaware State University, Dover, DE 19901, USA
- Hi-Tech Research Center, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Department of Plant Pathology, University of Georgia, Tifton, GA 31793, USA
| | - Mollee Crampton
- Department of Biological Sciences, Delaware State University, Dover, DE 19901, USA
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
| | - Antonette Todd
- College of Agriculture & Related Sciences, Delaware State University, Dover, DE 19901, USA
| | - Venu Kalavacharla
- College of Agriculture & Related Sciences, Delaware State University, Dover, DE 19901, USA
- Center of Integrated Biological and Environmental Research (CIBER), Delaware State University, Dover, DE 19901, USA
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Chung CL, Poland J, Kump K, Benson J, Longfellow J, Walsh E, Balint-Kurti P, Nelson R. Targeted discovery of quantitative trait loci for resistance to northern leaf blight and other diseases of maize. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2011; 123:307-26. [PMID: 21526397 DOI: 10.1007/s00122-011-1585-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2010] [Accepted: 03/24/2011] [Indexed: 05/02/2023]
Abstract
To capture diverse alleles at a set of loci associated with disease resistance in maize, heterogeneous inbred family (HIF) analysis was applied for targeted QTL mapping and near-isogenic line (NIL) development. Tropical maize lines CML52 and DK888 were chosen as donors of alleles based on their known resistance to multiple diseases. Chromosomal regions ("bins"; n = 39) associated with multiple disease resistance (MDR) were targeted based on a consensus map of disease QTLs in maize. We generated HIFs segregating for the targeted loci but isogenic at ~97% of the genome. To test the hypothesis that CML52 and DK888 alleles at MDR hotspots condition broad-spectrum resistance, HIFs and derived NILs were tested for resistance to northern leaf blight (NLB), southern leaf blight (SLB), gray leaf spot (GLS), anthracnose leaf blight (ALB), anthracnose stalk rot (ASR), common rust, common smut, and Stewart's wilt. Four NLB QTLs, two ASR QTLs, and one Stewart's wilt QTL were identified. In parallel, a population of 196 recombinant inbred lines (RILs) derived from B73 × CML52 was evaluated for resistance to NLB, GLS, SLB, and ASR. The QTLs mapped (four for NLB, five for SLB, two for GLS, and two for ASR) mostly corresponded to those found using the NILs. Combining HIF- and RIL-based analyses, we discovered two disease QTLs at which CML52 alleles were favorable for more than one disease. A QTL in bin 1.06-1.07 conferred resistance to NLB and Stewart's wilt, and a QTL in 6.05 conferred resistance to NLB and ASR.
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Affiliation(s)
- Chia-Lin Chung
- Department of Plant Pathology and Plant-Microbe Biology, Cornell University, Ithaca, NY14853, USA
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Gonçalves-Vidigal MC, Cruz AS, Garcia A, Kami J, Vidigal Filho PS, Sousa LL, McClean P, Gepts P, Pastor-Corrales MA. Linkage mapping of the Phg-1 and Co-1(4) genes for resistance to angular leaf spot and anthracnose in the common bean cultivar AND 277. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2011; 122:893-903. [PMID: 21113774 PMCID: PMC3043234 DOI: 10.1007/s00122-010-1496-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Accepted: 11/07/2010] [Indexed: 05/03/2023]
Abstract
The Andean common bean AND 277 has the Co-1(4) and the Phg-1 alleles that confer resistance to 21 and eight races, respectively, of the anthracnose (ANT) and angular leaf spot (ALS) pathogens. Because of its broad resistance spectrum, Co-1(4) is one of the main genes used in ANT resistance breeding. Additionally, Phg-1 is used for resistance to ALS. In this study, we elucidate the inheritance of the resistance of AND 277 to both pathogens using F(2) populations from the AND 277 × Rudá and AND 277 × Ouro Negro crosses and F(2:3) families from the AND 277 × Ouro Negro cross. Rudá and Ouro Negro are susceptible to all of the above races of both pathogens. Co-segregation analysis revealed that a single dominant gene in AND 277 confers resistance to races 65, 73, and 2047 of the ANT and to race 63-23 of the ALS pathogens. Co-1(4) and Phg-1 are tightly linked (0.0 cM) on linkage group Pv01. Through synteny mapping between common bean and soybean we also identified two new molecular markers, CV542014(450) and TGA1.1(570), tagging the Co-1(4) and Phg-1 loci. These markers are linked at 0.7 and 1.3 cM, respectively, from the Co-1(4) /Phg-1 locus in coupling phase. The analysis of allele segregation in the BAT 93/Jalo EEP558 and California Dark Red Kidney/Yolano recombinant populations revealed that CV542014(450) and TGA1.1(570) segregated in the expected 1:1 ratio. Due to the physical linkage in cis configuration, Co-1(4) and Phg-1 are inherited together and can be monitored indirectly with the CV542014(450) and TGA1.1(570) markers. These results illustrate the rapid discovery of new markers through synteny mapping. These markers will reduce the time and costs associated with the pyramiding of these two disease resistance genes.
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Affiliation(s)
| | - Anelise S. Cruz
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, 5790, Maringá, 87020-900 Paraná Brazil
| | - Alexandre Garcia
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, 5790, Maringá, 87020-900 Paraná Brazil
| | - J. Kami
- Department of Plant Sciences/MS1, Section of Crop and Ecosystem Sciences, University of California, Davis, 1 Shields Avenue, Davis, CA 95616-8780 USA
| | - Pedro S. Vidigal Filho
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, 5790, Maringá, 87020-900 Paraná Brazil
| | - Lorenna L. Sousa
- Departamento de Agronomia, Universidade Estadual de Maringá, Av. Colombo, 5790, Maringá, 87020-900 Paraná Brazil
| | - P. McClean
- Genomics and Bioinformatics Program, Department of Plant Sciences, North Dakota State University, Fargo, ND 58105 USA
| | - P. Gepts
- Department of Plant Sciences/MS1, Section of Crop and Ecosystem Sciences, University of California, Davis, 1 Shields Avenue, Davis, CA 95616-8780 USA
| | - M. A. Pastor-Corrales
- Soybean Genomics and Improvement Laboratory, USDA-AR, BARC-West, Beltsville, MD 20705 USA
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Panwar P, Jha AK, Pandey PK, Gupta AK, Kumar A. Functional markers based molecular characterization and cloning of resistance gene analogs encoding NBS-LRR disease resistance proteins in finger millet (Eleusine coracana). Mol Biol Rep 2010; 38:3427-36. [DOI: 10.1007/s11033-010-0452-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2010] [Accepted: 11/08/2010] [Indexed: 11/27/2022]
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McConnell M, Mamidi S, Lee R, Chikara S, Rossi M, Papa R, McClean P. Syntenic relationships among legumes revealed using a gene-based genetic linkage map of common bean (Phaseolus vulgaris L.). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2010; 121:1103-16. [PMID: 20607211 DOI: 10.1007/s00122-010-1375-9] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2009] [Accepted: 05/21/2010] [Indexed: 05/04/2023]
Abstract
Molecular linkage maps are an important tool for gene discovery and cloning, crop improvement, further genetic studies, studies on diversity and evolutionary history, and cross-species comparisons. Linkage maps differ in both the type of marker and type of population used. In this study, gene-based markers were used for mapping in a recombinant inbred (RI) population of Phaseolus vulgaris L. P. vulgaris, common dry bean, is an important food source, economic product, and model organism for the legumes. Gene-based markers were developed that corresponded to genes controlling mutant phenotypes in Arabidopsis thaliana, genes undergoing selection during domestication in maize, and genes that function in a biochemical pathway in A. thaliana. Sequence information, including introns and 3' UTR, was generated for over 550 genes in the two genotypes of P. vulgaris. Over 1,800 single nucleotide polymorphisms and indels were found, 300 of which were screened in the RI population. The resulting LOD 2.0 map is 1,545 cM in length and consists of 275 gene-based and previously mapped core markers. An additional 153 markers that mapped at LOD <1.0 were placed in genetic bins. By screening the parents of other mapping populations, it was determined that the markers were useful for other common Mesoamerican × Andean mapping populations. The location of the mapped genes relative to their homologs in Arabidopsis thaliana (At), Medicago truncatula (Mt), and Lotus japonicus (Lj) were determine by using a tblastx analysis with the current psedouchromosome builds for each of the species. While only short blocks of synteny were observed with At, large-scale macrosyntenic blocks were observed with Mt and Lj. By using Mt and Lj as bridging species, the syntenic relationship between the common bean and peanut was inferred.
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Affiliation(s)
- Melody McConnell
- Genomics and Bioinformatics Program, North Dakota State University, Fargo, ND 58105, USA
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Joshi RK, Mohanty S, Subudhi E, Nayak S. Isolation and characterization of NBS-LRR- resistance gene candidates in turmeric (Curcuma longa cv. surama). GENETICS AND MOLECULAR RESEARCH 2010; 9:1796-806. [PMID: 20830672 DOI: 10.4238/vol9-3gmr910] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Turmeric (Curcuma longa), an important asexually reproducing spice crop of the family Zingiberaceae is highly susceptible to bacterial and fungal pathogens. The identification of resistance gene analogs holds great promise for development of resistant turmeric cultivars. Degenerate primers designed based on known resistance genes (R-genes) were used in combinations to elucidate resistance gene analogs from Curcuma longa cultivar surama. The three primers resulted in amplicons with expected sizes of 450-600 bp. The nucleotide sequence of these amplicons was obtained through sequencing; their predicted amino acid sequences compared to each other and to the amino acid sequences of known R-genes revealed significant sequence similarity. The finding of conserved domains, viz., kinase-1a, kinase-2 and hydrophobic motif, provided evidence that the sequences belong to the NBS-LRR class gene family. The presence of tryptophan as the last residue of kinase-2 motif further qualified them to be in the non-TIR-NBS-LRR subfamily of resistance genes. A cluster analysis based on the neighbor-joining method was carried out using Curcuma NBS analogs together with several resistance gene analogs and known R-genes, which classified them into two distinct subclasses, corresponding to clades N3 and N4 of non-TIR-NBS sequences described in plants. The NBS analogs that we isolated can be used as guidelines to eventually isolate numerous R-genes in turmeric.
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Affiliation(s)
- R K Joshi
- Centre of Biotechnology, Siksha O Anusandhan University, Bhubaneswar, India.
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David P, des Francs-Small CC, Sévignac M, Thareau V, Macadré C, Langin T, Geffroy V. Three highly similar formate dehydrogenase genes located in the vicinity of the B4 resistance gene cluster are differentially expressed under biotic and abiotic stresses in Phaseolus vulgaris. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2010; 121:87-103. [PMID: 20182695 DOI: 10.1007/s00122-010-1293-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Accepted: 01/28/2010] [Indexed: 05/06/2023]
Abstract
In higher plants, formate dehydrogenase (FDH, EC1.2.1.2.) catalyzes the NAD-linked oxidation of formate to CO(2), and FDH transcript accumulation has been reported after various abiotic stresses. By sequencing a Phaseolus vulgaris BAC clone encompassing a CC-NBS-LRR gene rich region of the B4 resistance gene cluster, we identified three FDH-encoding genes. FDH is present as a single copy gene in the Arabidopsis thaliana genome, and public database searches confirm that FDH is a low copy gene in plant genomes, since only 33 FDH homologs were identified from 27 plant species. Three independent prediction programs (Predotar, TargetP and Mitoprot) used on this large subset of 33 plant FDHs, revealed that mitochondrial localization of FDH might be the rule in higher plants. A phylogenetic analysis suggests a scenario of local FDH gene duplication in an ancestor of the Phaseoleae followed by another more recent duplication event after bean/soybean divergence. The expression levels of two common bean FDH genes under different treatments were investigated by quantitative RT-PCR analysis. FDH genes are differentially up-regulated after biotic and abiotic stresses (infection with the fungus Colletotrichum lindemuthianum, and dark treatment, respectively). The present study provides the first report of FDH transcript accumulation after biotic stress, suggesting the involvement of FDH in the pathogen resistance process.
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Affiliation(s)
- Perrine David
- Institut de Biotechnologie des Plantes, UMR-CNRS 8618, bât. 630, Université Paris-Sud, 91405, Orsay, France
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Hanai LR, Santini L, Camargo LEA, Fungaro MHP, Gepts P, Tsai SM, Vieira MLC. Extension of the core map of common bean with EST-SSR, RGA, AFLP, and putative functional markers. MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2010; 25:25-45. [PMID: 20234835 PMCID: PMC2837241 DOI: 10.1007/s11032-009-9306-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2009] [Accepted: 06/15/2009] [Indexed: 05/04/2023]
Abstract
Microsatellites and gene-derived markers are still underrepresented in the core molecular linkage map of common bean compared to other types of markers. In order to increase the density of the core map, a set of new markers were developed and mapped onto the RIL population derived from the 'BAT93' x 'Jalo EEP558' cross. The EST-SSR markers were first characterized using a set of 24 bean inbred lines. On average, the polymorphism information content was 0.40 and the mean number of alleles per locus was 2.7. In addition, AFLP and RGA markers based on the NBS-profiling method were developed and a subset of the mapped RGA was sequenced. With the integration of 282 new markers into the common bean core map, we were able to place markers with putative known function in some existing gaps including regions with QTL for resistance to anthracnose and rust. The distribution of the markers over 11 linkage groups is discussed and a newer version of the common bean core linkage map is proposed.
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Affiliation(s)
- Luiz Ricardo Hanai
- Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, P.O. Box 9, Piracicaba, SP 13418-900 Brazil
| | - Luciane Santini
- Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, P.O. Box 9, Piracicaba, SP 13418-900 Brazil
| | - Luis Eduardo Aranha Camargo
- Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, P.O. Box 9, Piracicaba, SP 13418-900 Brazil
| | | | - Paul Gepts
- Department of Plant Sciences, University of California, Davis, CA 95616 USA
| | - Siu Mui Tsai
- Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, P.O. Box 96, Piracicaba, SP 13416-000 Brazil
| | - Maria Lucia Carneiro Vieira
- Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São Paulo, P.O. Box 9, Piracicaba, SP 13418-900 Brazil
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David P, Chen NW, Pedrosa-Harand A, Thareau V, Sévignac M, Cannon SB, Debouck D, Langin T, Geffroy V. A nomadic subtelomeric disease resistance gene cluster in common bean. PLANT PHYSIOLOGY 2009; 151:1048-65. [PMID: 19776165 PMCID: PMC2773105 DOI: 10.1104/pp.109.142109] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2009] [Accepted: 09/17/2009] [Indexed: 05/18/2023]
Abstract
The B4 resistance (R) gene cluster is one of the largest clusters known in common bean (Phaseolus vulgaris [Pv]). It is located in a peculiar genomic environment in the subtelomeric region of the short arm of chromosome 4, adjacent to two heterochromatic blocks (knobs). We sequenced 650 kb spanning this locus and annotated 97 genes, 26 of which correspond to Coiled-Coil-Nucleotide-Binding-Site-Leucine-Rich-Repeat (CNL). Conserved microsynteny was observed between the Pv B4 locus and corresponding regions of Medicago truncatula and Lotus japonicus in chromosomes Mt6 and Lj2, respectively. The notable exception was the CNL sequences, which were completely absent in these regions. The origin of the Pv B4-CNL sequences was investigated through phylogenetic analysis, which reveals that, in the Pv genome, paralogous CNL genes are shared among nonhomologous chromosomes (4 and 11). Together, our results suggest that Pv B4-CNL was derived from CNL sequences from another cluster, the Co-2 cluster, through an ectopic recombination event. Integration of the soybean (Glycine max) genome data enables us to date more precisely this event and also to infer that a single CNL moved from the Co-2 to the B4 cluster. Moreover, we identified a new 528-bp satellite repeat, referred to as khipu, specific to the Phaseolus genus, present both between B4-CNL sequences and in the two knobs identified at the B4 R gene cluster. The khipu repeat is present on most chromosomal termini, indicating the existence of frequent ectopic recombination events in Pv subtelomeric regions. Our results highlight the importance of ectopic recombination in R gene evolution.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Valérie Geffroy
- Institut de Biotechnologie des Plantes, UMR-CNRS 8618, Université Paris-Sud, 91405 Orsay cedex, France (P.D., N.W.G.C., V.T., M.S., T.L., V.G.); Unité Mixte de Recherche de Génétique Végétale, Institut National de la Recherche Agronomique, 91190 Gif-sur-Yvette, France (V.G.); Laboratório de Citogenética Vegetal, Departamento de Botânica-Centro de Ciências Biológicas, Universidade Federal de Pernambuco, Recife-Pernambuco 50670–420, Brazil (A.P.-H.); United States Department of Agriculture-Agricultural Research Service, Corn Insects and Crop Genetics Research Unit, Ames, Iowa 50011 (S.B.C.); and Genetic Resources Unit, Centro Internacional de Agricultura Tropical, AA 6713 Cali, Colombia (D.D.)
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49
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Molecular analysis of a large subtelomeric nucleotide-binding-site-leucine-rich-repeat family in two representative genotypes of the major gene pools of Phaseolus vulgaris. Genetics 2008; 181:405-19. [PMID: 19087965 DOI: 10.1534/genetics.108.093583] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In common bean, the B4 disease resistance gene cluster is a complex cluster localized at the end of linkage group (LG) B4, containing at least three R specificities to the fungus Colletotrichum lindemuthianum. To investigate the evolution of this R cluster since the divergence of Andean and Mesoamerican gene pools, DNA sequences were characterized from two representative genotypes of the two major gene pools of common bean (BAT93: Mesoamerican; JaloEEP558: Andean). Sequences encoding 29 B4-CC nucleotide-binding-site-leucine-rich-repeat (B4-CNL) genes were determined-12 from JaloEEP558 and 17 from BAT93. Although sequence exchange events were identified, phylogenetic analyses revealed that they were not frequent enough to lead to homogenization of B4-CNL sequences within a haplotype. Genetic mapping based on pulsed-field gel electrophoresis separation confirmed that the B4-CNL family is a large family specific to one end of LG B4 and is present at two distinct blocks separated by 26 cM. Fluorescent in situ hybridization on meiotic pachytene chromosomes revealed that two B4-CNL blocks are located in the subtelomeric region of the short arm of chromosome 4 on both sides of a heterochromatic block (knob), suggesting that this peculiar genomic environment may favor the proliferation of a large R gene cluster.
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BAC end sequences corresponding to the B4 resistance gene cluster in common bean: a resource for markers and synteny analyses. Mol Genet Genomics 2008; 280:521-33. [PMID: 18813956 DOI: 10.1007/s00438-008-0384-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2008] [Accepted: 09/06/2008] [Indexed: 10/21/2022]
Abstract
In common bean, a complex disease resistance (R) gene cluster, harboring many specific R genes against various pathogens, is located at the end of the linkage group B4. A BAC library of the Meso-american bean genotype BAT93 was screened with PRLJ1, a probe previously shown to be specific to the B4 R gene cluster, leading to the identification of 73 positive BAC clones. BAC-end sequencing (BES) of the 73 positive BACs generated 75 kb of sequence. These BACs were organized into 6 contigs, all mapped at the B4 R gene cluster. To evaluate the potential of BES for marker development, BES-derived specific primers were used to check for linkage with two allelic anthracnose R specificities Co-3 and Co-3 ( 2 ), through the analysis of pairs of Near Isogenic Lines (NILs). Out of 32 primer pairs tested, two revealed polymorphisms between the NILs, confirming the suspected location of Co-3 and Co-3 ( 2 ) at the B4 cluster. In order to identify the orthologous region of the B4 R gene cluster in the two model legume genomes, bean BESs were used as queries in TBLASTX searches of Medicago truncatula and Lotus japonicus BAC clones. Putative orthologous regions were identified on chromosome Mt6 and Lj2, in agreement with the colinearity observed between Mt and Lj for these regions.
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