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Badiyal A, Dhiman S, Singh A, Rathour R, Pathania A, Katoch S, Padder BA, Sharma PN. Mapping of adult plant recessive resistance to anthracnose in Indian common bean landrace Baspa/KRC 8. Mol Biol Rep 2024; 51:254. [PMID: 38302755 DOI: 10.1007/s11033-023-09160-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/14/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND The common bean (Phaseolus vulgaris) has become the food of choice owing to its wealthy nutritional profile, leading to a considerable increase in its cultivation worldwide. However, anthracnose has been a major impediment to production and productivity, as elite bean cultivars are vulnerable to this disease. To overcome barriers in crop production, scientists worldwide are working towards enhancing the genetic diversity of crops. One way to achieve this is by introducing novel genes from related crops, including landraces like KRC 8. This particular landrace, found in the North Western Himalayan region, has shown adult plant resistance against anthracnose and also possesses a recessive resistance gene. METHODS AND RESULTS In this study, a population of 179 F2:9 RIL individuals (Jawala × KRC 8) was evaluated at both phenotypic and genotypic levels using over 830 diverse molecular markers to map the resistance gene present in KRC 8. We have successfully mapped a resistance gene to chromosome Pv01 using four SSR markers, namely IAC 238, IAC 235, IAC 259, and BM 146. The marker IAC 238 is closely linked to the gene with a distance of 0.29 cM, while the other markers flank the recessive resistance gene at 10.87 cM (IAC 259), 17.80 cM (BM 146), and 25.22 cM (IAC 235). Previously, a single recessive anthracnose resistance gene (co-8) has been reported in the common bean accession AB 136. However, when we performed PCR amplification with our tightly linked marker IAC 238, we got different amplicons in AB 136 and KRC 8. Interestingly, the susceptible cultivar Jawala produced the same amplicon as AB 136. This observation indicated that the recessive gene present in KRC 8 is different from co-8. As the gene is located far away from the Co-1 locus, we suggest naming the recessive gene co-Indb/co-19. Fine mapping of co-Indb in KRC 8 may provide new insights into the cloning and characterization of this recessive gene so that it can be incorporated into future bean improvement programs. Further, the tightly linked marker IAC 238 can be utilized in marker assisted introgression in future bean breeding programs. CONCLUSION The novel co-Indb gene present in Himalayan landrace KRC 8, showing adult plant resistance against common bean anthracnose, is independent from all the resistance genes previously located on chromosome Pv01.
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Affiliation(s)
- Anila Badiyal
- Molecular Plant Pathology Laboratory, Department of Plant Pathology, CSK HP Agricultural University, Palampur, 176 062, Himachal Pradesh, India
| | - Shiwali Dhiman
- Molecular Plant Pathology Laboratory, Department of Plant Pathology, CSK HP Agricultural University, Palampur, 176 062, Himachal Pradesh, India
| | - Amar Singh
- Molecular Plant Pathology Laboratory, Department of Plant Pathology, CSK HP Agricultural University, Palampur, 176 062, Himachal Pradesh, India
| | - Rajeev Rathour
- Department of Agricultural Biotechnology, CSK HP Agricultural University, Palampur, 176 062, Himachal Pradesh, India
| | - Anju Pathania
- Faculty of Agriculture, DAV University, Jalandhar, 144001, Punjab, India
| | - Shabnam Katoch
- Molecular Plant Pathology Laboratory, Department of Plant Pathology, CSK HP Agricultural University, Palampur, 176 062, Himachal Pradesh, India
| | - Bilal A Padder
- Plant Virology and Molecular Plant Pathology Laboratory, Division of Plant Pathology, SKUAST-K Srinagar, Srinagar, 190025, J&K, India.
| | - Prem N Sharma
- Molecular Plant Pathology Laboratory, Department of Plant Pathology, CSK HP Agricultural University, Palampur, 176 062, Himachal Pradesh, India.
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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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Oblessuc PR, Bridges DF, Melotto M. Pseudomonas phaseolicola preferentially modulates genes encoding leucine-rich repeat and malectin domains in the bean landrace G2333. PLANTA 2022; 256:25. [PMID: 35768557 PMCID: PMC9242968 DOI: 10.1007/s00425-022-03943-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
Candidate resistance genes encoding malectin-like and LRR domains mapped to halo blight resistance loci throughout the common bean genome are co-expressed to fight a range of Pph races. Common bean (Phaseolus vulgaris L.) is an important crop both as a source of protein and other nutrients for human nutrition and as a nitrogen fixer that benefits sustainable agriculture. This crop is affected by halo blight disease, caused by the bacterium Pseudomonas syringae pv. phaseolicola (Pph), which can lead to 45% yield losses. Common bean resistance to Pph is conferred by six loci (Pse-1 to Pse-6) and minor-effect quantitative trait loci (QTLs); however, information is lacking on the molecular mechanisms implicated in this resistance. Here, we describe an in-depth RNA-sequencing (RNA-seq) analysis of the tolerant G2333 bean line in response to the Pph strain NPS3121. We identified 275 upregulated and 357 downregulated common bean genes in response to Pph infection. These differentially expressed genes were mapped to all 11 chromosomes of P. vulgaris. The upregulated genes were primarily components of plant immune responses and negative regulation of photosynthesis, with enrichment for leucine-rich repeat (LRRs) and/or malectin-like carbohydrate-binding domains. Interestingly, LRRs and malectin genes mapped to the same location as previously identified Pph resistance loci or QTLs. For instance, the major loci Pse-6/HB4.2 involved in broad-resistance to many Pph races co-located with induced LRR-encoding genes on Pv04. These findings indicate a coordinated modulation of genes involved in pathogen perception and signal transduction. In addition, the results further support these LRR/malectin loci as resistance genes in response to halo blight. Thus, these genes are potential targets for future genetic manipulation, enabling the introduction of resistance to Pph into elite cultivars of common bean.
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Affiliation(s)
- Paula Rodrigues Oblessuc
- Department of Plant Sciences, University of California, Davis, CA, USA
- Department of Protection of Specific Crops, InnovPlantProtection Collaborative Laboratory, Elvas, Portalegre, Portugal
| | - David F Bridges
- Department of Plant Sciences, University of California, Davis, CA, USA
- Plant Biology Graduate Group, University of California, Davis, CA, USA
| | - Maeli Melotto
- Department of Plant Sciences, University of California, Davis, CA, USA.
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Nabi A, Lateef I, Nisa Q, Banoo A, Rasool RS, Shah MD, Ahmad M, Padder BA. Phaseolus vulgaris-Colletotrichum lindemuthianum Pathosystem in the Post-Genomic Era: An Update. Curr Microbiol 2022; 79:36. [PMID: 34982236 DOI: 10.1007/s00284-021-02711-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 10/27/2021] [Indexed: 11/24/2022]
Abstract
Phaseolus vulgaris-Colletotrichum lindemuthianum is one among the oldest host and pathogen interface. Researchers have taken painstaking efforts across the world for understanding the dialogue during early and late phases of interaction. Collectively, these efforts resulted in the deluge of information that helped the researchers to underpin the interface. The latest molecular biology techniques furnished novel detection methods for the anthracnose pathogen, refined the understanding of pathogen population dynamics, and provided the insights on co-evolutionary common bean resistance and C. lindemuthianum virulence dynamics. One of the important breakthroughs came when the Phaseolus vulgaris and its corresponding anthracnose pathogen (C. lindemuthianum) genomes were decoded in 2014 and 2017, respectively. Availability of both the genomes yielded a significant genomic information that helped bean communities to fine map the economically important traits and to identify the pathogenicity determinants and effector molecules. The interface is in a continuous development as knowledge of the anthracnose resistance genes, their precise physical locations, and the identification of effector proteins; the fungus arsenals are being routinely updated. Hence, we revisited the interface and tried to provide an overview of host pathogen dialogue in the genomic era. Additionally, we compiled the sporadic information on this pathosystem from India and provided its futuristic road map to shape its research in the world and northern India, the major dry bean area in the country.
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Affiliation(s)
- Aasiya Nabi
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - Irtifa Lateef
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - Qadrul Nisa
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - Aqleema Banoo
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - Rovidha S Rasool
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - M D Shah
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - Mushtaq Ahmad
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India
| | - Bilal A Padder
- Plant Virology and Molecular Plant Pathology Laboratory, SKUAST-Kashmir, Shalimar, Srinagar, 190025, India.
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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
- Rajeev Kumar Varshney,
| | - Reyazul Rouf Mir
- Division of Genetics and Plant Breeding, Faculty of Agriculture, SKUAST-Kashmir, Wadura, India
- *Correspondence: Reyazul Rouf Mir,
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Foucher J, Ruh M, Préveaux A, Carrère S, Pelletier S, Briand M, Serre RF, Jacques MA, Chen NWG. Common bean resistance to Xanthomonas is associated with upregulation of the salicylic acid pathway and downregulation of photosynthesis. BMC Genomics 2020; 21:566. [PMID: 32811445 DOI: 10.21203/rs.3.rs-17010/v3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 08/05/2020] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Common bacterial blight (CBB) caused by Xanthomonas phaseoli pv. phaseoli and Xanthomonas citri pv. fuscans is one of the major threats to common bean crops (Phaseolus vulgaris L.). Resistance to CBB is particularly complex as 26 quantitative resistance loci to CBB have been described so far. To date, transcriptomic studies after CBB infection have been very scarce and the molecular mechanisms underlying susceptibility or resistance are largely unknown. RESULTS We sequenced and annotated the genomes of two common bean genotypes being either resistant (BAT93) or susceptible (JaloEEP558) to CBB. Reciprocal BLASTp analysis led to a list of 20,787 homologs between these genotypes and the common bean reference genome (G19833), which provides a solid dataset for further comparative analyses. RNA-Seq after inoculation with X. phaseoli pv. phaseoli showed that the susceptible genotype initiated a more intense and diverse biological response than the resistant genotype. Resistance was linked to upregulation of the salicylic acid pathway and downregulation of photosynthesis and sugar metabolism, while susceptibility was linked to downregulation of resistance genes and upregulation of the ethylene pathway and of genes involved in cell wall modification. CONCLUSIONS This study helps better understanding the mechanisms occurring during the early colonization phase of common bean by Xanthomonas and unveils new actors potentially important for resistance and susceptibility to CBB. We discuss the potential link between the pathways induced during bean colonization and genes induced by transcription activator-like effectors (TALEs), as illustrated in other Xanthomonas pathovars.
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Affiliation(s)
- Justine Foucher
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Mylène Ruh
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Anne Préveaux
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Sébastien Carrère
- CNRS, UMR 2594, Laboratoire des Interactions Plantes-Microorganismes (LIPM), F-31326, Castanet-Tolosan, France
| | - Sandra Pelletier
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Martial Briand
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | | | - Marie-Agnès Jacques
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Nicolas W G Chen
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France.
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7
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Foucher J, Ruh M, Préveaux A, Carrère S, Pelletier S, Briand M, Serre RF, Jacques MA, Chen NWG. Common bean resistance to Xanthomonas is associated with upregulation of the salicylic acid pathway and downregulation of photosynthesis. BMC Genomics 2020; 21:566. [PMID: 32811445 PMCID: PMC7437933 DOI: 10.1186/s12864-020-06972-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 08/05/2020] [Indexed: 02/08/2023] Open
Abstract
Background Common bacterial blight (CBB) caused by Xanthomonas phaseoli pv. phaseoli and Xanthomonas citri pv. fuscans is one of the major threats to common bean crops (Phaseolus vulgaris L.). Resistance to CBB is particularly complex as 26 quantitative resistance loci to CBB have been described so far. To date, transcriptomic studies after CBB infection have been very scarce and the molecular mechanisms underlying susceptibility or resistance are largely unknown. Results We sequenced and annotated the genomes of two common bean genotypes being either resistant (BAT93) or susceptible (JaloEEP558) to CBB. Reciprocal BLASTp analysis led to a list of 20,787 homologs between these genotypes and the common bean reference genome (G19833), which provides a solid dataset for further comparative analyses. RNA-Seq after inoculation with X. phaseoli pv. phaseoli showed that the susceptible genotype initiated a more intense and diverse biological response than the resistant genotype. Resistance was linked to upregulation of the salicylic acid pathway and downregulation of photosynthesis and sugar metabolism, while susceptibility was linked to downregulation of resistance genes and upregulation of the ethylene pathway and of genes involved in cell wall modification. Conclusions This study helps better understanding the mechanisms occurring during the early colonization phase of common bean by Xanthomonas and unveils new actors potentially important for resistance and susceptibility to CBB. We discuss the potential link between the pathways induced during bean colonization and genes induced by transcription activator-like effectors (TALEs), as illustrated in other Xanthomonas pathovars.
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Affiliation(s)
- Justine Foucher
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Mylène Ruh
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Anne Préveaux
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Sébastien Carrère
- CNRS, UMR 2594, Laboratoire des Interactions Plantes-Microorganismes (LIPM), F-31326, Castanet-Tolosan, France
| | - Sandra Pelletier
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Martial Briand
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | | | - Marie-Agnès Jacques
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France
| | - Nicolas W G Chen
- IRHS, INRAE, AGROCAMPUS OUEST, Université d'Angers, SFR4207 QUASAV, 42, rue Georges Morel, F-49071, Beaucouzé, France.
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Tonnessen BW, Bossa-Castro AM, Mauleon R, Alexandrov N, Leach JE. Shared cis-regulatory architecture identified across defense response genes is associated with broad-spectrum quantitative resistance in rice. Sci Rep 2019; 9:1536. [PMID: 30733489 PMCID: PMC6367480 DOI: 10.1038/s41598-018-38195-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 12/18/2018] [Indexed: 12/30/2022] Open
Abstract
Plant disease resistance that is durable and effective against diverse pathogens (broad-spectrum) is essential to stabilize crop production. Such resistance is frequently controlled by Quantitative Trait Loci (QTL), and often involves differential regulation of Defense Response (DR) genes. In this study, we sought to understand how expression of DR genes is orchestrated, with the long-term goal of enabling genome-wide breeding for more effective and durable resistance. We identified short sequence motifs in rice promoters that are shared across Broad-Spectrum DR (BS-DR) genes co-expressed after challenge with three major rice pathogens (Magnaporthe oryzae, Rhizoctonia solani, and Xanthomonas oryzae pv. oryzae) and several chemical elicitors. Specific groupings of these BS-DR-associated motifs, called cis-Regulatory Modules (CRMs), are enriched in DR gene promoters, and the CRMs include cis-elements known to be involved in disease resistance. Polymorphisms in CRMs occur in promoters of genes in resistant relative to susceptible BS-DR haplotypes providing evidence that these CRMs have a predictive role in the contribution of other BS-DR genes to resistance. Therefore, we predict that a CRM signature within BS-DR gene promoters can be used as a marker for future breeding practices to enrich for the most responsive and effective BS-DR genes across the genome.
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Affiliation(s)
| | | | - Ramil Mauleon
- International Rice Research Institute, Manila, Philippines
| | | | - Jan E Leach
- Colorado State University, Fort Collins, CO, USA.
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9
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Ohlson EW, Thio GI, Sawadogo M, Sérémé P, Timko MP. Quantitative trait loci analysis of brown blotch resistance in cowpea variety KN1. MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2018; 38:110. [PMID: 30147431 PMCID: PMC6096496 DOI: 10.1007/s11032-018-0867-1] [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: 06/01/2018] [Accepted: 08/07/2018] [Indexed: 06/08/2023]
Abstract
Cowpea is one of the most important crops in West Africa and is essential for the region's food and nutrition security and economic development. Consequently, improving its agronomic performance and yield is a desirable goal. Brown blotch disease, caused by the fungal pathogen Colletotrichum capsici, is an important constraint of cowpea productivity, and at present, only limited genetic resources are available for breeding improved brown blotch-resistant varieties. The current study has characterized the genetic basis for brown blotch resistance conferred by the cowpea cultivar KN1 and identified a major dominant quantitative trait locus (QTL) for resistance on chromosome Vu02. A segregating F2 population (n = 200), derived from a cross between KN1 and brown blotch-susceptible Tiligre (KVx775-33-2G), was developed and scored for disease severity following controlled inoculation. A subset of the population (n = 94) was genotyped with 99 newly developed allele-specific polymerase chain reaction (AS-PCR) markers, and multiple interval mapping was performed. One major and three minor QTL were identified. This is the first reported mapping of QTL conferring resistance to C. capsici in cowpea, and it is expected that the markers identified here will be a valuable resource for developing elite cowpea cultivars with resistance to brown blotch.
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Affiliation(s)
- Erik W. Ohlson
- Department of Biology, University of Virginia, Charlottesville, VA 22904 USA
| | - Gilles I. Thio
- Department of Biology, University of Virginia, Charlottesville, VA 22904 USA
- Laboratory of Genetic and Plant Biotechnology, Institut de l’Environnement et de Recherches Agricoles (INERA), Ouagadougou, 01 BP 476 Burkina Faso
- Laboratory of Plant Pathology, Institut de l’Environnement et de Recherches Agricoles (INERA), Ouagadougou, 01 BP 476 Burkina Faso
| | - Mahamadou Sawadogo
- Laboratory of Plant Pathology, Institut de l’Environnement et de Recherches Agricoles (INERA), Ouagadougou, 01 BP 476 Burkina Faso
- Laboratory of Biosciences/Genetics and Biotechnology, Université Ouaga 1 Pr Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Paco Sérémé
- Laboratory of Plant Pathology, Institut de l’Environnement et de Recherches Agricoles (INERA), Ouagadougou, 01 BP 476 Burkina Faso
| | - Michael P. Timko
- Department of Biology, University of Virginia, Charlottesville, VA 22904 USA
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Suarez-Gonzalez A, Hefer CA, Lexer C, Cronk QCB, Douglas CJ. Scale and direction of adaptive introgression between black cottonwood (Populus trichocarpa) and balsam poplar (P. balsamifera). Mol Ecol 2018; 27:1667-1680. [DOI: 10.1111/mec.14561] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 02/17/2018] [Accepted: 02/23/2018] [Indexed: 12/31/2022]
Affiliation(s)
| | - Charles A. Hefer
- Department of Botany; University of British Columbia; Vancouver BC Canada
| | - Christian Lexer
- Department of Botany and Biodiversity Research; University of Vienna; Vienna Austria
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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: 35] [Impact Index Per Article: 5.8] [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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Moral J, Xaviér CJ, Viruega JR, Roca LF, Caballero J, Trapero A. Variability in Susceptibility to Anthracnose in the World Collection of Olive Cultivars of Cordoba (Spain). FRONTIERS IN PLANT SCIENCE 2017; 8:1892. [PMID: 29163612 PMCID: PMC5681583 DOI: 10.3389/fpls.2017.01892] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/18/2017] [Indexed: 05/29/2023]
Abstract
Anthracnose of olive (Olea europaea ssp. europaea L.), caused by Colletotrichum species, is a serious disease causing fruit rot and branch dieback, whose epidemics are highly dependent on cultivar susceptibility and environmental conditions. Over a period of 10 years, there have been three severe epidemics in Andalusia (southern Spain) that allowed us to complete the assessment of the World Olive Germplasm Bank of Córdoba, one of the most important cultivar collections worldwide.A total of 308 cultivars from 21 countries were evaluated, mainly Spain (174 cvs.), Syria (29 cvs.), Italy (20 cvs.), Turkey (15 cvs.), and Greece (16 cvs.). Disease assessments were performed using a 0-10 rating scale, specifically developed to estimate the incidence of symptomatic fruit in the tree canopy. Also, the susceptibility of five reference cultivars was confirmed by artificial inoculation. Because of the direct relationship between the maturity of the fruit and their susceptibility to the pathogen, evaluations were performed at the end of fruit ripening, which forced coupling assessments according to the maturity state of the trees. By applying the cluster analysis to the 308 cultivars, these were classified as follows: 66 cvs. highly susceptible (21.4%), 83 cvs. susceptible (26.9%), 66 cvs. moderately susceptible (21.4%), 61 cvs. resistant (19.8%), and 32 cvs. highly resistant (10.4%). Representative cultivars of these five categories are "Ocal," "Lechín de Sevilla," "Arbequina," "Picual," and "Frantoio," respectively. With some exceptions, such as cvs. Arbosana, Empeltre and Picual, most of the Spanish cultivars, such as "Arbequina," "Cornicabra," "Hojiblanca," "Manzanilla de Sevilla," "Morisca," "Picudo," "Farga," and "Verdial de Huévar" are included in the categories of moderately susceptible, susceptible or highly susceptible. The phenotypic evaluation of anthracnose reaction is a limiting factor for the selection of olive cultivars by farmers, technicians, and breeders.
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Affiliation(s)
- Juan Moral
- Departamento de Agronomía, Universidad de Córdoba, Córdoba, Spain
- Department of Plant Pathology, Kearney Agricultural Research and Extension Center, University of California, Davis, Davis, CA, United States
| | - Carlos J. Xaviér
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Córdoba, Spain
| | - José R. Viruega
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Córdoba, Spain
| | - Luis F. Roca
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Córdoba, Spain
| | - Juan Caballero
- Departamento de Olivicultura, IFAPA Centro Alameda del Obispo, Córdoba, Spain
| | - Antonio Trapero
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Córdoba, Spain
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Djedatin G, Ndjiondjop MN, Sanni A, Lorieux M, Verdier V, Ghesquiere A. Identification of novel major and minor QTLs associated with Xanthomonas oryzae pv. oryzae (African strains) resistance in rice (Oryza sativa L.). RICE (NEW YORK, N.Y.) 2016; 9:18. [PMID: 27107993 PMCID: PMC4842194 DOI: 10.1186/s12284-016-0090-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Accepted: 03/20/2016] [Indexed: 05/03/2023]
Abstract
BACKGROUND Xanthomonas oryzae pv. oryzae (Xoo) is the causal agent of Bacterial Leaf Blight (BB), an emerging disease in rice in West-Africa which can induce up to 50 % of yield losses. So far, no specific resistance gene or QTL to African Xoo were mapped. The objectives of this study were to identify and map novels and specific resistance QTLs to African Xoo strains. RESULTS The reference recombinant inbred lines (RIL) mapping population derived from the cross between IR64 and Azucena was used to investigate Xoo resistance. Resistance to African and Philippine Xoo strains representing different races was assessed on the RIL population under greenhouse conditions. Five major quantitative trait loci (QTL) for resistance against African Xoo were located on different chromosomes. Loci on chromosomes 1, 7, 9, 10 and 11 explained as much as 13 %, 37 %, 13 %, 11 % and 15 % of resistance variation, respectively. A major novel QTL located on chromosome 7 explained 37 % of the phenotypic variance to the African Xoo corresponding to race A3 whereas that on chromosome 11 is effective to all African races tested. Together with genes and QTLs for resistance to bacterial blight previously described, the QTLs described here were mapped onto the reference O. sativa subs japonica (var. Nipponbare) physical map. CONCLUSION We characterized new resistance QTLs. While some co-localize with known resistance genes/QTLs to Asian strains, others are specific to African strains. We result with new information on genes and QTLs for resistance to bacterial blight that will be useful for controlling the disease.
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Affiliation(s)
| | | | | | - Mathias Lorieux
- UMR Diversité, Adaptation et Développement des plantes (DIADE), Institut de Recherche pour le Développement, 911 Avenue Agropolis BP 64501, 34394, Montpellier Cedex 5, France
| | - Valérie Verdier
- IPME Interactions Plantes Microorganismes, Environnement, IRD - Cirad - University Montpellier, 34394, Montpellier, France
| | - Alain Ghesquiere
- UMR Diversité, Adaptation et Développement des plantes (DIADE), Institut de Recherche pour le Développement, 911 Avenue Agropolis BP 64501, 34394, Montpellier Cedex 5, France
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Slow erosion of a quantitative apple resistance to Venturia inaequalis based on an isolate-specific Quantitative Trait Locus. INFECTION GENETICS AND EVOLUTION 2016; 44:541-548. [DOI: 10.1016/j.meegid.2016.07.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/10/2016] [Accepted: 07/13/2016] [Indexed: 11/18/2022]
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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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16
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Genome-Wide Association Studies of Anthracnose and Angular Leaf Spot Resistance in Common Bean (Phaseolus vulgaris L.). PLoS One 2016; 11:e0150506. [PMID: 26930078 PMCID: PMC4773255 DOI: 10.1371/journal.pone.0150506] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 02/14/2016] [Indexed: 12/27/2022] Open
Abstract
The common bean (Phaseolus vulgaris L.) is the world’s most important legume for human consumption. Anthracnose (ANT; Colletotrichum lindemuthianum) and angular leaf spot (ALS; Pseudocercospora griseola) are complex diseases that cause major yield losses in common bean. Depending on the cultivar and environmental conditions, anthracnose and angular leaf spot infections can reduce crop yield drastically. This study aimed to estimate linkage disequilibrium levels and identify quantitative resistance loci (QRL) controlling resistance to both ANT and ALS diseases of 180 accessions of common bean using genome-wide association analysis. A randomized complete block design with four replicates was performed for the ANT and ALS experiments, with four plants per genotype in each replicate. Association mapping analyses were performed for ANT and ALS using a mixed linear model approach implemented in TASSEL. A total of 17 and 11 significant statistically associations involving SSRs were detected for ANT and ALS resistance loci, respectively. Using SNPs, 21 and 17 significant statistically associations were obtained for ANT and angular ALS, respectively, providing more associations with this marker. The SSR-IAC167 and PvM95 markers, both located on chromosome Pv03, and the SNP scaffold00021_89379, were associated with both diseases. The other markers were distributed across the entire common bean genome, with chromosomes Pv03 and Pv08 showing the greatest number of loci associated with ANT resistance. The chromosome Pv04 was the most saturated one, with six markers associated with ALS resistance. The telomeric region of this chromosome showed four markers located between approximately 2.5 Mb and 4.4 Mb. Our results demonstrate the great potential of genome-wide association studies to identify QRLs related to ANT and ALS in common bean. The results indicate a quantitative and complex inheritance pattern for both diseases in common bean. Our findings will contribute to more effective screening of elite germplasm to find resistance alleles for marker-assisted selection in breeding programs.
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17
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Vlasova A, Capella-Gutiérrez S, Rendón-Anaya M, Hernández-Oñate M, Minoche AE, Erb I, Câmara F, Prieto-Barja P, Corvelo A, Sanseverino W, Westergaard G, Dohm JC, Pappas GJ, Saburido-Alvarez S, Kedra D, Gonzalez I, Cozzuto L, Gómez-Garrido J, Aguilar-Morón MA, Andreu N, Aguilar OM, Garcia-Mas J, Zehnsdorf M, Vázquez MP, Delgado-Salinas A, Delaye L, Lowy E, Mentaberry A, Vianello-Brondani RP, García JL, Alioto T, Sánchez F, Himmelbauer H, Santalla M, Notredame C, Gabaldón T, Herrera-Estrella A, Guigó R. Genome and transcriptome analysis of the Mesoamerican common bean and the role of gene duplications in establishing tissue and temporal specialization of genes. Genome Biol 2016; 17:32. [PMID: 26911872 PMCID: PMC4766624 DOI: 10.1186/s13059-016-0883-6] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Accepted: 01/22/2016] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Legumes are the third largest family of angiosperms and the second most important crop class. Legume genomes have been shaped by extensive large-scale gene duplications, including an approximately 58 million year old whole genome duplication shared by most crop legumes. RESULTS We report the genome and the transcription atlas of coding and non-coding genes of a Mesoamerican genotype of common bean (Phaseolus vulgaris L., BAT93). Using a comprehensive phylogenomics analysis, we assessed the past and recent evolution of common bean, and traced the diversification of patterns of gene expression following duplication. We find that successive rounds of gene duplications in legumes have shaped tissue and developmental expression, leading to increased levels of specialization in larger gene families. We also find that many long non-coding RNAs are preferentially expressed in germ-line-related tissues (pods and seeds), suggesting that they play a significant role in fruit development. Our results also suggest that most bean-specific gene family expansions, including resistance gene clusters, predate the split of the Mesoamerican and Andean gene pools. CONCLUSIONS The genome and transcriptome data herein generated for a Mesoamerican genotype represent a counterpart to the genomic resources already available for the Andean gene pool. Altogether, this information will allow the genetic dissection of the characters involved in the domestication and adaptation of the crop, and their further implementation in breeding strategies for this important crop.
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Affiliation(s)
- Anna Vlasova
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Salvador Capella-Gutiérrez
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- Yeast and Basidiomycete Research Group, CBS Fungal Biodiversity Centre, Uppsalalaan 8, 3584 LT, Utrecht, The Netherlands
| | - Martha Rendón-Anaya
- Laboratorio Nacional de Genómica para la Biodiversidad, Cinvestav-Irapuato, CP 36821, Irapuato, Guanajuato, Mexico
| | - Miguel Hernández-Oñate
- Laboratorio Nacional de Genómica para la Biodiversidad, Cinvestav-Irapuato, CP 36821, Irapuato, Guanajuato, Mexico
| | - André E Minoche
- Garvan Institute of Medical Research, 384 Victoria Street, Sydney, NSW, 2010, Australia
| | - Ionas Erb
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Francisco Câmara
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Pablo Prieto-Barja
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - André Corvelo
- New York Genome Center, 101 Avenue of the Americas, New York, NY, 10013, USA
| | - Walter Sanseverino
- IRTA, Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Gastón Westergaard
- Instituto de Agrobiotecnología Rosario (INDEAR), Rosario, Santa Fe, 2000, Argentina
| | - Juliane C Dohm
- Department of Biotechnology, University of Natural Resources and Life Sciences (BOKU), Muthgasse 18, 1190, Vienna, Austria
| | - Georgios J Pappas
- Department of Cellular Biology, University of Brasilia, Biological Science Institute, Brasília, DF, 70790-160, Brazil
| | - Soledad Saburido-Alvarez
- Laboratorio Nacional de Genómica para la Biodiversidad, Cinvestav-Irapuato, CP 36821, Irapuato, Guanajuato, Mexico
| | - Darek Kedra
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Irene Gonzalez
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- Genomics Unit, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Catalonia, Spain
| | - Luca Cozzuto
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Jessica Gómez-Garrido
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - María A Aguilar-Morón
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- Genomics Unit, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Catalonia, Spain
| | - Nuria Andreu
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- Genomics Unit, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Catalonia, Spain
| | - O Mario Aguilar
- Instituto de Biotecnología y Biología Molecular (IBBM), UNLP-CONICET, 1900, La Plata, Argentina
| | - Jordi Garcia-Mas
- IRTA, Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Maik Zehnsdorf
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- Genomics Unit, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Catalonia, Spain
| | - Martín P Vázquez
- Instituto de Agrobiotecnología Rosario (INDEAR), Rosario, Santa Fe, 2000, Argentina
| | - Alfonso Delgado-Salinas
- Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Luis Delaye
- Departamento de Ingeniería Genética, Unidad Irapuato, Cinvestav, 36821, Irapuato, Guanajuato, Mexico
| | - Ernesto Lowy
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SD, United Kingdom
| | - Alejandro Mentaberry
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), C1428EGA, Buenos Aires, Argentina
| | | | - José Luís García
- Environmental Biology Department, Centro de Investigaciones Biológicas, (CSIC), 28040, Madrid, Spain
| | - Tyler Alioto
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Federico Sánchez
- Depto. de Biología Molecular de Plantas, Instituto Biotecnología, Universidad Nacional Autónoma de México, 62210, Cuernavaca, Morelos, Mexico
| | - Heinz Himmelbauer
- Department of Biotechnology, University of Natural Resources and Life Sciences (BOKU), Muthgasse 18, 1190, Vienna, Austria
| | - Marta Santalla
- Mision Biológica de Galicia (MBG)-National Spanish Research Council (CSIC), 36080, Pontevedra, Spain
| | - Cedric Notredame
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Toni Gabaldón
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain.
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain.
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, 08010, Barcelona, Spain.
| | - Alfredo Herrera-Estrella
- Laboratorio Nacional de Genómica para la Biodiversidad, Cinvestav-Irapuato, CP 36821, Irapuato, Guanajuato, Mexico.
| | - Roderic Guigó
- Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, 08003, Barcelona, Spain.
- Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, 08003, Barcelona, Spain.
- IMIM (Hospital del Mar Medical Research Institute), 08003, Barcelona, Spain.
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Meziadi C, Richard MMS, Derquennes A, Thareau V, Blanchet S, Gratias A, Pflieger S, Geffroy V. Development of molecular markers linked to disease resistance genes in common bean based on whole genome sequence. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2016; 242:351-357. [PMID: 26566851 DOI: 10.1016/j.plantsci.2015.09.006] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Revised: 09/01/2015] [Accepted: 09/02/2015] [Indexed: 05/03/2023]
Abstract
Common bean (Phaseolus vulgaris) is the most important grain legume for direct human consumption in the world, particularly in developing countries where it constitutes the main source of protein. Unfortunately, common bean yield stability is constrained by a number of pests and diseases. As use of resistant genotypes is the most economic and ecologically safe means for controlling plant diseases, efforts have been made to genetically characterize resistance genes (R genes) in common bean. Despite its agronomic importance, genomic resources available in common bean were limited until the recent sequencing of common bean genome (Andean genotype G19833). Besides allowing the annotation of Nucleotide Binding-Leucine Rich Repeat (NB-LRR) encoding gene family, which is the prevalent class of disease R genes in plants, access to the whole genome sequence of common bean can be of great help for intense selection to increase the overall efficiency of crop improvement programs using marker-assisted selection (MAS). This review presents the state of the art of common bean NB-LRR gene clusters, their peculiar location in subtelomeres and correlation with genetically characterized monogenic R genes, as well as how the availability of the whole genome sequence can boost the development of molecular markers for MAS.
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Affiliation(s)
- Chouaïb Meziadi
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Manon M S Richard
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Amandine Derquennes
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Vincent Thareau
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Sophie Blanchet
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Ariane Gratias
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Stéphanie Pflieger
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France
| | - Valérie Geffroy
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France.
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Fonsêca A, Ferraz ME, Pedrosa-Harand A. Speeding up chromosome evolution in Phaseolus: multiple rearrangements associated with a one-step descending dysploidy. Chromosoma 2015; 125:413-21. [PMID: 26490170 DOI: 10.1007/s00412-015-0548-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 10/01/2015] [Accepted: 10/05/2015] [Indexed: 11/28/2022]
Abstract
The genus Phaseolus L. has been subject of extensive cytogenetic studies due to its global economic importance. It is considered karyotypically stable, with most of its ca. 75 species having 2n = 22 chromosomes, and only three species (Phaseolus leptostachyus, Phaseolus macvaughii, and Phaseolus micranthus), which form the Leptostachyus clade, having 2n = 20. To test whether a simple chromosomal fusion was the cause of this descending dysploidy, mitotic chromosomes of P. leptostachyus (2n = 20) were comparatively mapped by fluorescent in situ hybridization (FISH) using bacterial artificial chromosomes (BACs) and ribosomal DNA (rDNA) probes. Our results corroborated the conservation of the 5S and 45S rDNA sites on ancestral chromosomes 10 and 6, respectively. The reduction from x = 11 to x = 10 was the result of the insertion of chromosome 10 into the centromeric region of chromosome 11, supporting a nested chromosome fusion (NCF) as the main cause of this dysploidy. Additionally, the terminal region of the long arm of chromosome 6 was translocated to this larger chromosome. Surprisingly, the NCF was accompanied by several additional translocations and inversions previously unknown for the genus, suggesting that the dysploidy may have been associated to a burst of genome reorganization in this otherwise stable, diploid plant genus.
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Affiliation(s)
- Artur Fonsêca
- Laboratory of Plant Cytogenetics and Evolution, Department of Botany, Federal University of Pernambuco, Rua Nelson Chaves s/n, Recife, PE, 50670-420, Brazil
| | - Maria Eduarda Ferraz
- Laboratory of Plant Cytogenetics and Evolution, Department of Botany, Federal University of Pernambuco, Rua Nelson Chaves s/n, Recife, PE, 50670-420, Brazil
| | - Andrea Pedrosa-Harand
- Laboratory of Plant Cytogenetics and Evolution, Department of Botany, Federal University of Pernambuco, Rua Nelson Chaves s/n, Recife, PE, 50670-420, Brazil.
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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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21
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González AM, Yuste-Lisbona FJ, Rodiño AP, De Ron AM, Capel C, García-Alcázar M, Lozano R, Santalla M. Uncovering the genetic architecture of Colletotrichum lindemuthianum resistance through QTL mapping and epistatic interaction analysis in common bean. FRONTIERS IN PLANT SCIENCE 2015; 6:141. [PMID: 25852706 PMCID: PMC4362272 DOI: 10.3389/fpls.2015.00141] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 02/22/2015] [Indexed: 05/03/2023]
Abstract
Colletotrichum lindemuthianum is a hemibiotrophic fungal pathogen that causes anthracnose disease in common bean. Despite the genetics of anthracnose resistance has been studied for a long time, few quantitative trait loci (QTLs) studies have been conducted on this species. The present work examines the genetic basis of quantitative resistance to races 23 and 1545 of C. lindemuthianum in different organs (stem, leaf and petiole). A population of 185 recombinant inbred lines (RIL) derived from the cross PMB0225 × PHA1037 was evaluated for anthracnose resistance under natural and artificial photoperiod growth conditions. Using multi-environment QTL mapping approach, 10 and 16 main effect QTLs were identified for resistance to anthracnose races 23 and 1545, respectively. The homologous genomic regions corresponding to 17 of the 26 main effect QTLs detected were positive for the presence of resistance-associated gene cluster encoding nucleotide-binding and leucine-rich repeat (NL) proteins. Among them, it is worth noting that the main effect QTLs detected on linkage group 05 for resistance to race 1545 in stem, petiole and leaf were located within a 1.2 Mb region. The NL gene Phvul.005G117900 is located in this region, which can be considered an important candidate gene for the non-organ-specific QTL identified here. Furthermore, a total of 39 epistatic QTL (E-QTLs) (21 for resistance to race 23 and 18 for resistance to race 1545) involved in 20 epistatic interactions (eleven and nine interactions for resistance to races 23 and 1545, respectively) were identified. None of the main and epistatic QTLs detected displayed significant environment interaction effects. The present research provides essential information not only for the better understanding of the plant-pathogen interaction but also for the application of genomic assisted breeding for anthracnose resistance improvement in common bean through application of marker-assisted selection (MAS).
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Affiliation(s)
- Ana M. González
- Grupo de Biología de Agrosistemas, Misión Biológica de Galicia-CSICPontevedra, Spain
| | - Fernando J. Yuste-Lisbona
- Departamento de Biología y Geología (Genética), Centro de Investigación en Biotecnología Agroalimentaria (BITAL), Universidad de AlmeríaAlmería, Spain
| | - A. Paula Rodiño
- Grupo de Biología de Agrosistemas, Misión Biológica de Galicia-CSICPontevedra, Spain
| | - Antonio M. De Ron
- Grupo de Biología de Agrosistemas, Misión Biológica de Galicia-CSICPontevedra, Spain
| | - Carmen Capel
- Departamento de Biología y Geología (Genética), Centro de Investigación en Biotecnología Agroalimentaria (BITAL), Universidad de AlmeríaAlmería, Spain
| | - Manuel García-Alcázar
- Departamento de Biología y Geología (Genética), Centro de Investigación en Biotecnología Agroalimentaria (BITAL), Universidad de AlmeríaAlmería, Spain
| | - Rafael Lozano
- Departamento de Biología y Geología (Genética), Centro de Investigación en Biotecnología Agroalimentaria (BITAL), Universidad de AlmeríaAlmería, Spain
| | - Marta Santalla
- Grupo de Biología de Agrosistemas, Misión Biológica de Galicia-CSICPontevedra, Spain
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Niks RE, Qi X, Marcel TC. Quantitative resistance to biotrophic filamentous plant pathogens: concepts, misconceptions, and mechanisms. ANNUAL REVIEW OF PHYTOPATHOLOGY 2015; 53:445-70. [PMID: 26047563 DOI: 10.1146/annurev-phyto-080614-115928] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Quantitative resistance (QR) refers to a resistance that is phenotypically incomplete and is based on the joined effect of several genes, each contributing quantitatively to the level of plant defense. Often, QR remains durably effective, which is the primary driver behind the interest in it. The various terms that are used to refer to QR, such as field resistance, adult plant resistance, and basal resistance, reflect the many properties attributed to it. In this article, we discuss aspects connected to those attributions, in particular the hypothesis that much of the QR to biotrophic filamentous pathogens is basal resistance, i.e., poor suppression of PAMP-triggered defense by effectors. We discuss what role effectors play in suppressing defense or improving access to nutrients. Based on the functions of the few plant proteins identified as involved in QR, vesicle trafficking and protein/metabolite transportation are likely to be common physiological processes relevant to QR.
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Affiliation(s)
- Rients E Niks
- Laboratory of Plant Breeding, Wageningen University and Research Centre, 6700 AJ Wageningen, The Netherlands;
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23
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Pflieger S, Blanchet S, Meziadi C, Richard MMS, Thareau V, Mary F, Mazoyer C, Geffroy V. The "one-step" Bean pod mottle virus (BPMV)-derived vector is a functional genomics tool for efficient overexpression of heterologous protein, virus-induced gene silencing and genetic mapping of BPMV R-gene in common bean (Phaseolus vulgaris L.). BMC PLANT BIOLOGY 2014; 14:232. [PMID: 25168520 PMCID: PMC4163167 DOI: 10.1186/s12870-014-0232-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 08/20/2014] [Indexed: 05/11/2023]
Abstract
BACKGROUND Over the last two years, considerable advances have been made in common bean (Phaseolus vulgaris L.) genomics, especially with the completion of the genome sequence and the availability of RNAseq data. However, as common bean is recalcitrant to stable genetic transformation, much work remains to be done for the development of functional genomics tools adapted to large-scale studies. RESULTS Here we report the successful implementation of an efficient viral vector system for foreign gene expression, virus-induced gene silencing (VIGS) and genetic mapping of a BPMV resistance gene in common bean, using a "one-step" BPMV vector originally developed in soybean. With the goal of developing this vector for high-throughput VIGS studies in common bean, we optimized the conditions for rub-inoculation of infectious BPMV-derived plasmids in common bean cv. Black Valentine. We then tested the susceptibility to BPMV of six cultivars, and found that only Black Valentine and JaloEEP558 were susceptible to BPMV. We used a BPMV-GFP construct to detect the spatial and temporal infection patterns of BPMV in vegetative and reproductive tissues. VIGS of the PHYTOENE DESATURASE (PvPDS) marker gene was successfully achieved with recombinant BPMV vectors carrying fragments ranging from 132 to 391 bp. Finally, we mapped a gene for resistance to BPMV (R-BPMV) at one end of linkage group 2, in the vicinity of a locus (I locus) previously shown to be involved in virus resistance. CONCLUSIONS The "one-step" BPMV vector system therefore enables rapid and simple functional studies in common bean, and could be suitable for large-scale analyses. In the post-genomic era, these advances are timely for the common bean research community.
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Affiliation(s)
- Stéphanie Pflieger
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
- />Univ Paris Diderot, Sorbonne Paris Cité, 75205 Paris, France
| | - Sophie Blanchet
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
| | - Chouaib Meziadi
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
| | - Manon MS Richard
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
| | - Vincent Thareau
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
| | - Fanny Mary
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
| | - Céline Mazoyer
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
| | - Valérie Geffroy
- />CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), 91405 Orsay, France
- />INRA, Unité Mixte de Recherche de Génétique Végétale, Université Paris Sud, IDEEV FR3284, Ferme du Moulon, 91190 Gif-sur-Yvette, France
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24
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Richard MMS, Pflieger S, Sévignac M, Thareau V, Blanchet S, Li Y, Jackson SA, Geffroy V. Fine mapping of Co-x, an anthracnose resistance gene to a highly virulent strain of Colletotrichum lindemuthianum in common bean. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2014; 127:1653-66. [PMID: 24859268 DOI: 10.1007/s00122-014-2328-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 05/05/2014] [Indexed: 05/03/2023]
Abstract
The Co - x anthracnose R gene of common bean was fine-mapped into a 58 kb region at one end of chromosome 1, where no canonical NB-LRR-encoding genes are present in G19833 genome sequence. Anthracnose, caused by the phytopathogenic fungus Colletotrichum lindemuthianum, is one of the most damaging diseases of common bean, Phaseolus vulgaris. Various resistance (R) genes, named Co-, conferring race-specific resistance to different strains of C. lindemuthianum have been identified. The Andean cultivar JaloEEP558 was reported to carry Co-x on chromosome 1, conferring resistance to the highly virulent strain 100. To fine map Co-x, 181 recombinant inbred lines derived from the cross between JaloEEP558 and BAT93 were genotyped with polymerase chain reaction (PCR)-based markers developed using the genome sequence of the Andean genotype G19833. Analysis of RILs carrying key recombination events positioned Co-x at one end of chromosome 1 to a 58 kb region of the G19833 genome sequence. Annotation of this target region revealed eight genes: three phosphoinositide-specific phospholipases C (PI-PLC), one zinc finger protein and four kinases, suggesting that Co-x is not a classical nucleotide-binding leucine-rich encoding gene. In addition, we identified and characterized the seven members of common bean PI-PLC gene family distributed into two clusters located at the ends of chromosomes 1 and 8. Co-x is not a member of Co-1 allelic series since these two genes are separated by at least 190 kb. Comparative analysis between soybean and common bean revealed that the Co-x syntenic region, located at one end of Glycine max chromosome 18, carries Rhg1, a major QTL contributing to soybean cyst nematode resistance. The PCR-based markers generated in this study should be useful in marker-assisted selection for pyramiding Co-x with other R genes.
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Affiliation(s)
- Manon M S Richard
- CNRS, Institut de Biologie des Plantes, UMR 8618, Université Paris Sud, Saclay Plant Sciences (SPS), Rue Noetzlin, 91405, Orsay, France
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25
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Rahman A, Kuldau GA, Uddin W. Induction of salicylic acid-mediated defense response in perennial ryegrass against infection by Magnaporthe oryzae. PHYTOPATHOLOGY 2014; 104:614-23. [PMID: 24328494 DOI: 10.1094/phyto-09-13-0268-r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Incorporation of plant defense activators is an innovative approach to development of an integrated strategy for the management of turfgrass diseases. The effects of salicylic acid (SA), benzothiadiazole (BTH, chemical analog of SA), jasmonic acid (JA), and ethephon (ET, an ethylene-releasing compound) on development of gray leaf spot in perennial ryegrass (Lolium perenne L.) caused by Magnaporthe oryzae were evaluated. Gray leaf spot disease incidence and severity were significantly decreased when plants were treated prior to inoculation with SA, BTH, and partially by ET but not by JA. Accumulation of endogenous SA and elevated expression of pathogenesis-related (PR)-1, PR-3.1, and PR-5 genes were associated with inoculation of plants by M. oryzae. Treatment of plants with SA enhanced expression levels of PR-3.1 and PR-5 but did not affect the PR-1 level, whereas BTH treatment enhanced relative expression levels of all three PR genes. Microscopic observations of leaves inoculated with M. oryzae revealed higher frequencies of callose deposition at the penetration sites in SA- and BTH-treated plants compared with the control plants (treated with water). These results suggest that early and higher induction of these genes by systemic resistance inducers may provide perennial ryegrass with a substantial advantage to defend against infection by M. oryzae.
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26
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Fonsêca A, Richard MM, Geffroy V, Pedrosa-Harand A. Epigenetic Analyses and the Distribution of Repetitive DNA and Resistance Genes Reveal the Complexity of Common Bean ( Phaseolus vulgaris L., Fabaceae) Heterochromatin. Cytogenet Genome Res 2014; 143:168-78. [DOI: 10.1159/000360572] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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27
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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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28
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Cnossen-Fassoni A, Bazzolli DMS, Brommonschenkel SH, Fernandes de Araújo E, de Queiroz MV. The pectate lyase encoded by the pecCl1 gene is an important determinant for the aggressiveness of Colletotrichum lindemuthianum. J Microbiol 2013; 51:461-70. [PMID: 23990297 DOI: 10.1007/s12275-013-3078-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Accepted: 03/10/2013] [Indexed: 11/30/2022]
Abstract
Colletotrichum lindemuthianum is the causal agent of anthracnose in the common bean, and the genes that encode its cell-wall-degrading enzymes are crucial for the development of the disease. Pectinases are the most important group of cell wall-degrading enzymes produced by phytopathogenic fungi. The pecC1l gene, which encodes a pectate lyase in C. lindemuthianum, was isolated and characterized. Possible cis-regulatory elements and transcription factor binding sites that may be involved in the regulation of genetic expression were detected in the promoter region of the gene. pecCl1 is represented by a single copy in the genome of C. lindemuthianum, though in silico analyses of the genomes of Colletotrichum graminicola and Colletotrichum higginsianum suggest that the genome of C. lindemuthianum includes other genes that encode pectate lyases. Phylogenetic analysis detected two groups that clustered based on different members of the pectate lyase family. Analysis of the differential expression of pecCl1 during different stages of infection showed a significant increase in pecCl1 expression five days after infection, at the onset of the necrotrophic phase. The split-maker technique proved to be an efficient method for inactivation of the pecCl1 gene, which allowed functional study of a mutant with a site-specific integration. Though gene inactivation did not result in complete loss of pectate lyase activity, the symptoms of anthracnose were reduced. Analysis of pectate lyases might not only contribute to the understanding of anthracnose in the common bean but might also lead to the discovery of an additional target for controlling anthracnose.
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Affiliation(s)
- Andréia Cnossen-Fassoni
- Laboratory of Microorganism Molecular Genetics, Department of Microbiology/Institute of Microbiology Applied to Agriculture and Livestock Raising (BIOAGRO), Federal University of Viçosa, Viçosa-MG, Brazil
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29
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González AM, Marcel TC, Niks RE. Evidence for a minor gene-for-minor gene interaction explaining nonhypersensitive polygenic partial disease resistance. PHYTOPATHOLOGY 2012; 102:1086-93. [PMID: 22835013 DOI: 10.1094/phyto-03-12-0056-r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
ABSTRACT Partial resistance is a quantitative type of resistance that, by definition of Parlevliet, is not based on hypersensitivity. It is largely pathotype nonspecific, although some minor isolate-specific responses have been reported. In order to elucidate the isolate specificity of individual genes for partial resistance, three barley recombinant inbred line mapping populations were analyzed for resistance to the leaf rust fungus Puccinia hordei. The mapping populations were inoculated with one isolate avirulent and two isolates virulent to resistance gene Rph7g. Six significant quantitative trait loci (QTLs) were detected. Of these, two (Rphq3 and Rphq11) were detected with only the avirulent isolate (1.2.1.) and one (Rphq18) only with both virulent isolates (CO-04 and 28.1). The effectiveness of these QTLs was tested with 14 isolates, using a tester set of genotypes containing alleles for resistance or susceptibility for these QTLs. QTL Rphq18 was effective to only two isolates, CO-04 and 28.1, whereas Rphq3 and Rphq11 were ineffective to CO-04 and 28.1 but effective to all other isolates, except one. This resulted in a significant Person's differential interaction, which is a hallmark of a gene-for-gene interaction. The minor gene-for-minor gene interaction is not based on hypersensitivity and there is no evidence that the resistance is based on genes belonging to the nucleotide-binding leucine-rich repeat class.
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Affiliation(s)
- Ana M González
- Laboratory of Plant Breeding, Wageningen University and Research Center (WUR), 6700 AJ Wageningen, The Netherlands.
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30
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Li C, Faino L, Dong L, Fan J, Kiss L, De Giovanni C, Lebeda A, Scott J, Matsuda Y, Toyoda H, Lindhout P, Visser RGF, Bonnema G, Bai Y. Characterization of polygenic resistance to powdery mildew in tomato at cytological, biochemical and gene expression level. MOLECULAR PLANT PATHOLOGY 2012; 13:148-59. [PMID: 21883866 PMCID: PMC6638637 DOI: 10.1111/j.1364-3703.2011.00737.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Extensive research in the area of plant innate immunity has increased considerably our understanding of the molecular mechanisms associated with resistance controlled by a dominant resistance gene. In contrast, little is known about the molecular basis underlying the resistance conferred by quantitative trait loci (QTLs). In this study, using the interaction of tomato (Solanum lycopersicum) with Oidium neolycopersici, we compared the cytological, biochemical and molecular mechanisms involved in both monogenic and polygenic resistances conferred by a dominant gene (Ol-1) and three QTLs (Ol-qtls), respectively. Our results showed that the three Ol-qtls jointly confer a very high level of broad-spectrum resistance and that the resistance is associated with both the hypersensitive response and papillae formation, with the hypersensitive response being prevalent. Both H(2)O(2) and callose accumulation, which are coupled with Ol-1-mediated resistance, are also associated with the resistance conferred by Ol-qtls. Further, we analysed the pathogen-induced transcript profiles of near-isogenic lines carrying the three Ol-qtls and the Ol-1 gene. Transcript profiles obtained by cDNA-amplified fragment length polymorphism analysis showed that, on fungal challenge, about 70% of the transcript-derived fragments are up-regulated in both susceptible and resistant genotypes. Most of the sequenced transcript-derived fragments showed homology to genes with functions in defence responses, suggesting that defence-responsive genes responsible for basal defence are involved in both monogenic and polygenic resistances conferred by Ol-1 and Ol-qtls, respectively. Although about 18% of the identified transcript-derived fragments are specific for either monogenic or polygenic resistance, their expression patterns need to be further verified by quantitative reverse transcriptase-polymerase chain reaction.
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Affiliation(s)
- Chengwei Li
- Wageningen UR Plant Breeding, Wageningen University and Research Centre, Droevendaalsesteeg 1, 6708PB Wageningen, the Netherlands
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Development of new molecular markers for the Colletotrichum genus using RetroCl1 sequences. World J Microbiol Biotechnol 2011; 28:1087-95. [PMID: 22805830 DOI: 10.1007/s11274-011-0909-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2011] [Accepted: 09/23/2011] [Indexed: 10/17/2022]
Abstract
A nonautonomous element of 624 bp, called RetroCl1 (Retroelement Colletotrichum lindemuthianum 1), was identified in the plant pathogenic fungus Colletotrichum lindemuthianum. RetroCl1 contains terminal direct repeats (223 bp) that are surrounded by CTAGT sequences. It has a short internal domain of 178 bp and shows characteristics of terminal-repeat retrotransposon in miniature (TRIM) family. We used RetroCl1 sequence to develop molecular markers for the Colletotrichum genus. IRAP (Inter-Retrotransposon Amplified Polymorphism) and REMAP (Retrotransposon-Microsatellite Amplified Polymorphism) markers were used to analyze the genetic diversity of C. lindemuthianum. Fifty-four isolates belonging to different races were used. A total of 45 loci were amplified. The Nei index showed significant differences among the populations divided according to race, indicating that they are structured according to pathotype. No clear correlation between IRAP and REMAP markers with pathogenic characterization was found. C. lindemuthianum has high genetic diversity, and the analysis of molecular variance showed that 51% of variability is found among the populations of different races. The markers were also tested in different Colletotrichum species. In every case, multiple bands were amplified, indicating that these markers can be successfully used in different species belonging to the Colletotrichum genus.
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Pollegioni P, Van der Linden G, Belisario A, Gras M, Anselmi N, Olimpieri I, Luongo L, Santini A, Turco E, Scarascia Mugnozza G, Malvolti ME. Mechanisms governing the responses to anthracnose pathogen in Juglans spp. J Biotechnol 2011; 159:251-64. [PMID: 21884735 DOI: 10.1016/j.jbiotec.2011.08.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2011] [Revised: 07/28/2011] [Accepted: 08/08/2011] [Indexed: 11/24/2022]
Abstract
Juglans nigra and Juglans regia are two highly economically important species for wood and fruit production that are susceptible to anthracnose caused by Gnomonia leptostyla. The identification of genotypes resistant to anthracnose could represent a valid alternative to agronomic and chemical management. In this study, we analyzed 72 walnut genotypes that showed a variety of resistance phenotypes in response to natural infection. According to the disease severity rating and microsatellite fingerprinting analysis, these genotypes were divided into three main groups: (40) J. nigra resistant, (1) J. nigra susceptible, and (31) J. regia susceptible. Data on leaf emergence rates and analysis of in vivo pathogenicity indicated that the incidence of anthracnose disease in the field might be partially conditioned by two key factors: the age and/or availability of susceptible leaves during the primary infection of fungus (avoidance by late flushing) and partial host resistance. NBS profiling approach, based on PCR amplification with an adapter primer for an adapter matching a restriction enzyme site and a degenerate primer targeting the conserved motifs present in the NBS domain of NBS-LRR genes, was applied. The results revealed the presence of a candidate marker that correlated to a reduction in anthracnose incidence in 72 walnut genotypes.
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Affiliation(s)
- P Pollegioni
- C.N.R. - Institute of Agro-environmental and Forest Biology, Viale Marconi 2, 05010 Porano, Terni, Italy.
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Hendre PS, Bhat PR, Krishnakumar V, Aggarwal RK. Isolation and characterization of resistance gene analogues from Psilanthus species that represent wild relatives of cultivated coffee endemic to India. Genome 2011; 54:377-90. [DOI: 10.1139/g11-004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Biotic or abiotic stress can cause considerable damage to crop plants that can be managed by building disease resistance in the cultivated gene pool through breeding for disease resistance genes (R-genes). R-genes, conferring resistance to diverse pathogens or pests share a high level of similarity at the DNA and protein levels in different plant species. This property of R-genes has been successfully employed to isolate putative resistance gene analogues (RGAs) using a PCR-based approach from new plant sources. Using a similar approach, in the present study, we have successfully amplified putative RGAs having nucleotide-binding-site leucine-rich repeats (NBS-LRR-type RGAs) from seven different sources: two cultivated coffee species ( Coffea arabica L. and Coffea canephora Pierre ex. A. Froehner), four related taxa endemic to India (wild tree coffee species: Psilanthus bengalensis (Roem. & Schuttles) J.-F. Leroy, Psilanthus khasiana , Psilanthus travencorensis (Wight & Arn.) J.-F. Leroy, Psilanthus weightiana (Wall. ex Wight & Arn.) J.-F. Leroy), and a cDNA pool originally prepared from light- and drought-stressed Coffea arabica L. leaves. The total PCR amplicons obtained using NBS-LRR-specific primers from each source were cloned and transformed to construct seven independent libraries, from which 434 randomly picked clones were sequenced. In silico analysis of the sequenced clones revealed 27 sequences that contained characteristic RGA motifs, of which 24 had complete uninterrupted open reading frames. Comparisons of these with published RGAs showed several of these to be novel RGA sequences. Interestingly, most of such novel RGAs belonged to the related wild Psilanthus species. The data thus suggest the potential of the secondary gene pool as possible untapped donors of resistance genes to the present day cultivated species of coffee.
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Affiliation(s)
- Prasad S. Hendre
- Centre for Cellular and Molecular Biology (Council of Scientific and Industrial Research), Uppal Road, Tarnaka, Hyderabad – 500 007, India
| | - Prasanna R. Bhat
- Centre for Cellular and Molecular Biology (Council of Scientific and Industrial Research), Uppal Road, Tarnaka, Hyderabad – 500 007, India
| | - V. Krishnakumar
- Centre for Cellular and Molecular Biology (Council of Scientific and Industrial Research), Uppal Road, Tarnaka, Hyderabad – 500 007, India
| | - Ramesh K. Aggarwal
- Centre for Cellular and Molecular Biology (Council of Scientific and Industrial Research), Uppal Road, Tarnaka, Hyderabad – 500 007, India
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Rauscher G, Simko I, Mayton H, Bonierbale M, Smart CD, Grünwald NJ, Greenland A, Fry WE. Quantitative resistance to late blight from Solanum berthaultii cosegregates with R(Pi-ber): insights in stability through isolates and environment. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2010; 121:1553-67. [PMID: 20689906 DOI: 10.1007/s00122-010-1410-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2009] [Accepted: 07/13/2010] [Indexed: 05/20/2023]
Abstract
Genetic resistance is a valuable tool in the fight against late blight of potatoes but little is known about the stability and specificity of quantitative resistance including the effect of defeated major resistance genes. In the present study we investigated the effect of different isolates of Phytophthora infestans on the mode of action of R(Pi-ber), an R-gene originating from Solanum berthaultii. The experiments were conducted on progenies derived from two reciprocal inter-specific backcrosses of Solanum tuberosum and S. berthaultii. The plant-pathogen interaction was tested in diverse environments including field, greenhouse and growth chamber conditions. The R(Pi-ber) gene provided complete resistance against a US8 isolate of P. infestans in all trials. When isolates compatible with R(Pi-ber) were used for inoculation, a smaller, but significant resistance effect was consistently detected in the same map position as the R-gene. This indicates that this R-gene provides a residual resistance effect, and/or that additional resistance loci are located in this genomic region of chromosome X. Additional quantitative resistance loci (QRL) were identified in the analyzed progenies. While some of the QRL (such as those near TG130 on chromosome III) were effective against several isolates of the pathogen, others were isolate specific. With a single exception, the S. berthaultii alleles were associated with a decrease in disease severity. Resistance loci reported in the present study co-locate with previously reported R-genes and QRL to P. infestans and other pathogens.
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Affiliation(s)
- Gilda Rauscher
- Department of Plant Pathology and Plant-Microbe Biology, Cornell University, Ithaca, NY, USA
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Chen NWG, Sévignac M, Thareau V, Magdelenat G, David P, Ashfield T, Innes RW, Geffroy V. Specific resistances against Pseudomonas syringae effectors AvrB and AvrRpm1 have evolved differently in common bean (Phaseolus vulgaris), soybean (Glycine max), and Arabidopsis thaliana. THE NEW PHYTOLOGIST 2010; 187:941-956. [PMID: 20561214 PMCID: PMC2922445 DOI: 10.1111/j.1469-8137.2010.03337.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
*In plants, the evolution of specific resistance is poorly understood. Pseudomonas syringae effectors AvrB and AvrRpm1 are recognized by phylogenetically distinct resistance (R) proteins in Arabidopsis thaliana (Brassicaceae) and soybean (Glycine max, Fabaceae). In soybean, these resistances are encoded by two tightly linked R genes, Rpg1-b and Rpg1-r. To study the evolution of these specific resistances, we investigated AvrB- and AvrRpm1-induced responses in common bean (Phaseolus vulgaris, Fabaceae). *Common bean genotypes of various geographical origins were inoculated with P. syringae strains expressing AvrB or AvrRpm1. A common bean recombinant inbred line (RIL) population was used to map R genes to AvrRpm1. *No common bean genotypes recognized AvrB. By contrast, multiple genotypes responded to AvrRpm1, and two independent R genes conferring AvrRpm1-specific resistance were mapped to the ends of linkage group B11 (Rpsar-1, for resistance to Pseudomonas syringae effector AvrRpm1 number 1) and B8 (Rpsar-2). Rpsar-1 is located in a region syntenic with the soybean Rpg1 cluster. However, mapping of specific Rpg1 homologous genes suggests that AvrRpm1 recognition evolved independently in common bean and soybean. *The conservation of the genomic position of AvrRpm1-specific genes between soybean and common bean suggests a model whereby specific clusters of R genes are predisposed to evolve recognition of the same effector molecules.
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Affiliation(s)
- Nicolas W. G. Chen
- Institut de Biologie des Plantes, UMR CNRS 8618, Bat. 630, Université Paris Sud, Orsay, France
| | - Mireille Sévignac
- Institut de Biologie des Plantes, UMR CNRS 8618, Bat. 630, Université Paris Sud, Orsay, France
| | - Vincent Thareau
- Institut de Biologie des Plantes, UMR CNRS 8618, Bat. 630, Université Paris Sud, Orsay, France
| | - Ghislaine Magdelenat
- Genoscope/Commissariat à l’Energie Atomique-Centre National de Séquençage, 2 rue Gaston Crémieux CP5706 91057 Evry cedex, France
| | - Perrine David
- Institut de Biologie des Plantes, UMR CNRS 8618, Bat. 630, Université Paris Sud, Orsay, France
| | - Tom Ashfield
- Department of Biology, Indiana University, Bloomington, Indiana, USA
| | - Roger W. Innes
- Department of Biology, Indiana University, Bloomington, Indiana, USA
| | - Valérie Geffroy
- Institut de Biologie des Plantes, UMR CNRS 8618, Bat. 630, Université Paris Sud, Orsay, France
- Unité Mixte de Recherche de Génétique Végétale, Institut National de la Recherche Agronomique, 91190 Gif-sur-Yvette, France
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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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Fonsêca A, Ferreira J, dos Santos TRB, Mosiolek M, Bellucci E, Kami J, Gepts P, Geffroy V, Schweizer D, dos Santos KGB, Pedrosa-Harand A. Cytogenetic map of common bean (Phaseolus vulgaris L.). Chromosome Res 2010; 18:487-502. [PMID: 20449646 PMCID: PMC2886897 DOI: 10.1007/s10577-010-9129-8] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Revised: 03/12/2010] [Accepted: 03/28/2010] [Indexed: 01/01/2023]
Abstract
A cytogenetic map of common bean was built by in situ hybridization of 35 bacterial artificial chromosomes (BACs) selected with markers mapping to eight linkage groups, plus two plasmids for 5S and 45S ribosomal DNA and one bacteriophage. Together with three previously mapped chromosomes (chromosomes 3, 4, and 7), 43 anchoring points between the genetic map and the cytogenetic map of the species are now available. Furthermore, a subset of four BAC clones was proposed to identify the 11 chromosome pairs of the standard cultivar BAT93. Three of these BACs labelled more than a single chromosome pair, indicating the presence of repetitive DNA in their inserts. A repetitive distribution pattern was observed for most of the BACs; for 38% of them, highly repetitive pericentromeric or subtelomeric signals were observed. These distribution patterns corresponded to pericentromeric and subtelomeric heterochromatin blocks observed with other staining methods. Altogether, the results indicate that around half of the common bean genome is heterochromatic and that genes and repetitive sequences are intermingled in the euchromatin and heterochromatin of the species.
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Affiliation(s)
- Artur Fonsêca
- Laboratory of Plant Cytogenetics, Department of Botany, Federal University of Pernambuco, Recife, PE 50670-420 Brazil
| | - Joana Ferreira
- Laboratory of Plant Cytogenetics, Department of Botany, Federal University of Pernambuco, Recife, PE 50670-420 Brazil
| | | | - Magdalena Mosiolek
- Department of Chromosome Biology, University of Vienna, 1030 Vienna, Austria
- Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of Sciences, 1030 Vienna, Austria
| | - Elisa Bellucci
- Dipartimento di Scienze Ambientali e delle Produzioni Vegetali, Università Politecnica delle Marche, 60131 Ancona, Italy
- National Institute of Agricultural Botany, Cambridge, CB3 0LE UK
| | - James Kami
- Department of Plant Sciences/MS1, Section of Crop and Ecosystem Sciences, University of California, Davis, CA 95616-8780 USA
| | - Paul Gepts
- Department of Plant Sciences/MS1, Section of Crop and Ecosystem Sciences, University of California, Davis, CA 95616-8780 USA
| | - Valérie Geffroy
- Institut de Biotechnologie des Plantes, UMR-CNRS 8618, INRA, Université Paris Sud, 91405 Orsay, France
- Unité Mixte de Recherche de Génétique Végétale, Institut National de la Recherche Agronomique, 91190 Gif-sur-Yvette, France
| | - Dieter Schweizer
- Department of Chromosome Biology, University of Vienna, 1030 Vienna, Austria
- Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of Sciences, 1030 Vienna, Austria
| | - Karla G. B. dos Santos
- Laboratory of Plant Cytogenetics, Department of Botany, Federal University of Pernambuco, Recife, PE 50670-420 Brazil
| | - Andrea Pedrosa-Harand
- Laboratory of Plant Cytogenetics, Department of Botany, Federal University of Pernambuco, Recife, PE 50670-420 Brazil
- Department of Chromosome Biology, University of Vienna, 1030 Vienna, Austria
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Aghnoum R, Marcel TC, Johrde A, Pecchioni N, Schweizer P, Niks RE. Basal host resistance of barley to powdery mildew: connecting quantitative trait Loci and candidate genes. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2010; 23:91-102. [PMID: 19958142 DOI: 10.1094/mpmi-23-1-0091] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The basal resistance of barley to powdery mildew (Blumeria graminis f. sp. hordei) is a quantitatively inherited trait that is based on nonhypersensitive mechanisms of defense. A functional genomic approach indicates that many plant candidate genes are involved in the defense against formation of fungal haustoria. It is not known which of these candidate genes have allelic variation that contributes to the natural variation in powdery mildew resistance, because many of them may be highly conserved within the barley species and may act downstream of the basal resistance reaction. Twenty-two expressed sequence tag or cDNA clone sequences that are likely to play a role in the barley-Blumeria interaction based on transcriptional profiling, gene silencing, or overexpression data, as well as mlo, Ror1, and Ror2, were mapped and considered candidate genes for contribution to basal resistance. We mapped the quantitative trait loci (QTL) for powdery mildew resistance in six mapping populations of barley at seedling and adult plant stages and developed an improved high-density integrated genetic map containing 6,990 markers for comparing QTL and candidate gene positions over mapping populations. We mapped 12 QTL at seedling stage and 13 QTL at adult plant stage, of which four were in common between the two developmental stages. Six of the candidate genes showed coincidence in their map positions with the QTL identified for basal resistance to powdery mildew. This co-localization justifies giving priority to those six candidate genes to validate them as being responsible for the phenotypic effects of the QTL for basal resistance.
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Affiliation(s)
- Reza Aghnoum
- Laboratory of Plant Breeding, Graduate School for Experimental Plant Sciences, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
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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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Rossi M, Bitocchi E, Bellucci E, Nanni L, Rau D, Attene G, Papa R. Linkage disequilibrium and population structure in wild and domesticated populations of Phaseolus vulgaris L. Evol Appl 2009; 2:504-22. [PMID: 25567895 PMCID: PMC3352449 DOI: 10.1111/j.1752-4571.2009.00082.x] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2009] [Accepted: 05/24/2009] [Indexed: 01/07/2023] Open
Abstract
Together with the knowledge of the population structure, a critical aspect for the planning of association and/or population genomics studies is the level of linkage disequilibrium (LD) that characterizes the species and the population used for such an analysis. We have analyzed the population structure and LD in wild and domesticated populations of Phaseolus vulgaris L. using amplified fragment length polymorphism markers, most of which were genetically mapped in two recombinant inbred populations. Our results reflect the previous knowledge of the occurrence of two major wild gene pools of P. vulgaris, from which two independent domestication events originated, one in the Andes and one in Mesoamerica. The high level of LD in the whole sample was mostly due to the gene pool structure, with a much higher LD in domesticated compared to wild populations. In relation to association studies, our results also suggest that whole-genome-scan approaches are feasible in the common bean. Interestingly, an excess of inter-chromosomal LD was found in the domesticated populations, which suggests an important role for epistatic selection during domestication. Moreover, our results indicate the occurrence of a strong bottleneck in the Andean wild population before domestication, suggesting a Mesoamerican origin of P. vulgaris. Finally, our data support the occurrence of a single domestication event in Mesoamerica, and the same scenario in the Andes.
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Affiliation(s)
- Monica Rossi
- Scienze Ambientali e delle Produzioni Vegetali, Università Politecnica delle Marche Ancona, Italy
| | - Elena Bitocchi
- Scienze Ambientali e delle Produzioni Vegetali, Università Politecnica delle Marche Ancona, Italy
| | - Elisa Bellucci
- Scienze Ambientali e delle Produzioni Vegetali, Università Politecnica delle Marche Ancona, Italy
| | - Laura Nanni
- Scienze Ambientali e delle Produzioni Vegetali, Università Politecnica delle Marche Ancona, Italy
| | - Domenico Rau
- Scienze Agronomiche e Genetica Vegetale Agraria, Università degli Studi di Sassari Sassari, Italy
| | - Giovanna Attene
- Scienze Agronomiche e Genetica Vegetale Agraria, Università degli Studi di Sassari Sassari, Italy
| | - Roberto Papa
- Scienze Ambientali e delle Produzioni Vegetali, Università Politecnica delle Marche Ancona, Italy
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Miklas PN, Seo YS, Gilbertson RL. Quantitative Resistance to Bean dwarf mosaic virus in Common Bean Is Associated with the Bct Gene for Resistance to Beet curly top virus. PLANT DISEASE 2009; 93:645-648. [PMID: 30764403 DOI: 10.1094/pdis-93-6-0645] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The dominant resistance gene, Bct, in common bean (Phaseolus vulgaris) confers qualitative resistance to Beet curly top virus, a leafhopper-transmitted geminivirus in the genus Curtovirus. To determine whether this gene confers resistance to other geminiviruses, bean plants of a recombinant inbred population were sap-inoculated with Bean dwarf mosaic virus (BDMV), a whitefly-transmitted bipartite begomovirus in the genus Begomovirus. Results indicated that Bct (or tightly linked gene) is associated with quantitative resistance to BDMV; thus, the Bct locus is associated with resistance to a bean-infecting begomovirus and curtovirus. The difference in the nature of the resistance to these geminiviruses may indicate a role for minor genes in begomovirus resistance or differences in the virus-host interaction. The Bct locus, whether it acts alone or represents a cluster of tightly linked genes, will be useful in breeding for broad-spectrum begomovirus resistance in common bean.
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Affiliation(s)
- P N Miklas
- USDA-ARS, Vegetable and Forage Crop Research Unit, Prosser, WA 99350
| | - Y-S Seo
- Department of Plant Pathology, University of California, Davis 95616
| | - R L Gilbertson
- Department of Plant Pathology, University of California, Davis 95616
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Farina A, Rocchi V, Janni M, Benedettelli S, De Lorenzo G, D'Ovidio R. The bean polygalacturonase-inhibiting protein 2 (PvPGIP2) is highly conserved in common bean (Phaseolus vulgaris L.) germplasm and related species. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2009; 118:1371-1379. [PMID: 19238348 DOI: 10.1007/s00122-009-0987-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2008] [Accepted: 01/31/2009] [Indexed: 05/27/2023]
Abstract
Polygalacturonase-inhibiting proteins (PGIPs) are extracellular plant protein inhibitors of endo-polygalacturonases (PGs) that belong to the leucine-rich repeat (LRR) protein family. In bean, PGIP is encoded by a small gene family of four members among which Pvpgip2 encodes the most wide-spectrum and efficient inhibitor of fungal PGs. In order to evaluate the sequence polymorphism of Pvpgip2 and its functional significance, we have analyzed a number of wild and cultivated bean (P. vulgaris) accessions of Andean and Mesoamerican origin, and some genotypes from the related species P. coccineus, P. acutifolius, and P. lunatus. Our analyses indicate that the protein encoded by Pvpgip2 is highly conserved in the bean germplasm. The few detected polymorphic sites correspond to synonymous substitutions and only two wild genotypes contain a Pvpgip2 with a single non-synonymous replacement. Sequence comparison showed a slightly larger variation in the related bean species P. coccineus, P. acutifolius, and P. lunatus and confirmed the known phylogenetic relationships with P. vulgaris. The majority of the replacements were within the xxLxLxx region of the leucine rich repeat (LRR) domain and none of them affected residues contributing to structural features. The variant PGIPs were expressed in Nicotiana benthamiana using PVX as vector and their inhibitory activity compared to that of PvPPGIP2. All the variants were able to fully inhibit the four fungal PGs tested with minor differences. Taken together these results support the hypothesis that the overall sequence conservation of PGIP2 and minor variation at specific sites is necessary for high-affinity recognition of different fungal PGs.
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Affiliation(s)
- Anna Farina
- Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, Viterbo, Italy
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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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Dracatos PM, Cogan NOI, Dobrowolski MP, Sawbridge TI, Spangenberg GC, Smith KF, Forster JW. Discovery and genetic mapping of single nucleotide polymorphisms in candidate genes for pathogen defence response in perennial ryegrass (Lolium perenne L.). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2008; 117:203-219. [PMID: 18446316 DOI: 10.1007/s00122-008-0766-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2007] [Accepted: 04/03/2008] [Indexed: 05/26/2023]
Abstract
Susceptibility to foliar pathogens commonly causes significant reductions in productivity of the important temperate forage perennial ryegrass. Breeding for durable disease resistance involves not only the deployment of major genes but also the additive effects of minor genes. An approach based on in vitro single nucleotide polymorphism (SNP) discovery in candidate defence response (DR) genes has been used to develop potential diagnostic genetic markers. SNPs were predicted, validated and mapped for representatives of the pathogenesis-related (PR) protein-encoding and reactive oxygen species (ROS)-generating gene classes. The F(1)(NA(6) x AU(6)) two-way pseudo-test cross population was used for SNP genetic mapping and detection of quantitative trait loci (QTLs) in response to a crown rust field infection. Novel resistance QTLs were coincident with mapped DR gene SNPs. QTLs on LG3 and LG7 also coincided with both herbage quality QTLs and candidate genes for lignin biosynthesis. Multiple DR gene SNP loci additionally co-located with QTLs for grey leaf spot, bacterial wilt and crown rust resistance from other published studies. Further functional validation of DR gene SNP loci using methods such as fine-mapping and association genetics will improve the efficiency of parental selection based on superior allele content.
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Affiliation(s)
- P M Dracatos
- Department of Primary Industries, Biosciences Research Division, La Trobe Research and Development Park, Bundoora, VIC 3083, Australia
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Ferreira JJ, Campa A, Pérez-Vega E, Giraldez R. Reaction of a Bean Germplasm Collection Against Five Races of Colletotrichum lindemuthianum Identified in Northern Spain and Implications for Breeding. PLANT DISEASE 2008; 92:705-708. [PMID: 30769597 DOI: 10.1094/pdis-92-5-0705] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Anthracnose, caused by Colletotrichum lindemuthianum, is one of the most serious diseases of common bean (Phaseolus vulgaris). The pathogenic variability of this fungus in northern Spain and the response of a bean germplasm collection maintained at Servicio Regional de Investigación y Desarrollo Agroalimentario (Villaviciosa, Asturias, Spain) were screened in order to identify potential resistance sources. Races 3, 6, 19, 38, and 102 were identified from 55 isolates collected in this area, race 38 being the most common one. In all, 246 landraces and 42 lines derived from breeding programs were evaluated in search of resistant lines. No local accession showed adequate resistance to the five races. However, three local accessions were resistant to four races and presented intermediate or mixed reactions against the fifth one: accession V225, with a large great northern seed phenotype (R3R6I38R102R19); accession V369, with a great northern seed phenotype (R3R6R38R102R/S19); and accession V309, with a navy seed phenotype (R3R6R38R/S102R19). The results revealed a wide variation in the resistance spectra or resistance combinations, although not all the possible resistance spectra were present in the evaluated accessions. Among the breeding lines, nine materials were resistant to five races and three lines (A252, A321, and A493) were selected as resistance sources to transfer genetic resistance to Andecha bean cultivar. The results indicated that lines A252 and A321 have two dominant and independent genes involved in the resistance to race 38 whereas line A493 has a single locus.
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Affiliation(s)
- Juan José Ferreira
- Area de Cultivos Hortofrutícolas y Forestales, Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), 33300, Villaviciosa, Asturias, Spain
| | - Ana Campa
- Area de Cultivos Hortofrutícolas y Forestales, Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), 33300, Villaviciosa, Asturias, Spain
| | - Elena Pérez-Vega
- Area de Cultivos Hortofrutícolas y Forestales, Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), 33300, Villaviciosa, Asturias, Spain
| | - Ramón Giraldez
- Department of Biología Funcional, University of Oviedo, 33006 Oviedo, Asturias, Spain
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Geffroy V, Sévignac M, Billant P, Dron M, Langin T. Resistance to Colletotrichum lindemuthianum in Phaseolus vulgaris: a case study for mapping two independent genes. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2008; 116:407-15. [PMID: 18060540 DOI: 10.1007/s00122-007-0678-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2007] [Accepted: 11/13/2007] [Indexed: 05/11/2023]
Abstract
Anthracnose, caused by the hemibiotrophic fungal pathogen Colletotrichum lindemuthianum is a devastating disease of common bean. Resistant cultivars are economical means for defense against this pathogen. In the present study, we mapped resistance specificities against 7 C. lindemuthianum strains of various geographical origins revealing differential reactions on BAT93 and JaloEEP558, two parents of a recombinant inbred lines (RILs) population, of Meso-american and Andean origin, respectively. Six strains revealed the segregation of two independent resistance genes. A specific numerical code calculating the LOD score in the case of two independent segregating genes (i.e. genes with duplicate effects) in a RILs population was developed in order to provide a recombination value (r) between each of the two resistance genes and the tested marker. We mapped two closely linked Andean resistance genes (Co-x, Co-w) at the end of linkage group (LG) B1 and mapped one Meso-american resistance genes (Co-u) at the end of LG B2. We also confirmed the complexity of the previously identified B4 resistance gene cluster, because four of the seven tested strains revealed a resistance specificity near Co-y from JaloEEP558 and two strains identified a resistance specificity near Co-9 from BAT93. Resistance genes found within the same cluster confer resistance to different strains of a single pathogen such as the two anthracnose specificities Co-x and Co-w clustered at the end of LG B1. Clustering of resistance specificities to multiple pathogens such as fungi (Co-u) and viruses (I) was also observed at the end of LG B2.
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Affiliation(s)
- Valérie Geffroy
- Institut de Biotechnologie des Plantes (IBP), INRA, Université Paris-Sud, UMR-CNRS 8618, bât. 630, 91405, Orsay Cedex, France.
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48
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Ameline-Torregrosa C, Cazaux M, Danesh D, Chardon F, Cannon SB, Esquerré-Tugayé MT, Dumas B, Young ND, Samac DA, Huguet T, Jacquet C. Genetic dissection of resistance to anthracnose and powdery mildew in Medicago truncatula. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2008; 21:61-9. [PMID: 18052883 DOI: 10.1094/mpmi-21-1-0061] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Medicago truncatula was used to characterize resistance to anthracnose and powdery mildew caused by Colletotrichum trifolii and Erysiphe pisi, respectively. Two isolates of E. pisi (Ep-p from pea and Ep-a from alfalfa) and two races of C. trifolii (races 1 and 2) were used in this study. The A17 genotype was resistant and displayed a hypersensitive response after inoculation with either pathogen, while lines F83005.5 and DZA315.16 were susceptible to anthracnose and powdery mildew, respectively. To identify the genetic determinants underlying resistance in A17, two F7 recombinant inbred line (RIL) populations, LR4 (A17 x DZA315.16) and LR5 (A17 x F83005.5), were phenotyped with E. pisi isolates and C. trifolii races, respectively. Genetic analyses showed that i) resistance to anthracnose is governed mainly by a single major locus to both races, named Ct1 and located on the upper part of chromosome 4; and ii) resistance to powdery mildew involves three distinct loci, Epp1 on chromosome 4 and Epa1 and Epa2 on chromosome 5. The use of a consensus genetic map for the two RIL populations revealed that Ct1 and Epp1, although located in the same genome region, were clearly distinct. In silico analysis in this region identified the presence of several clusters of nucleotide binding site leucine-rich repeat genes. Many of these genes have atypical resistance gene analog structures and display differential expression patterns in distinct stress-related cDNA libraries.
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Affiliation(s)
- Carine Ameline-Torregrosa
- UMR 5546, Centre National de la Recherche Scientifique-UPS, Pôle de Biotechnologie Végétale, 24 Chemin Borde Rouge, 34326 Castanet-Tolosan, France
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Mackie JM, Musial JM, Armour DJ, Phan HTT, Ellwood SE, Aitken KS, Irwin JAG. Identification of QTL for reaction to three races of Colletotrichum trifolii and further analysis of inheritance of resistance in autotetraploid lucerne. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2007; 114:1417-26. [PMID: 17356866 DOI: 10.1007/s00122-007-0527-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2006] [Accepted: 02/16/2007] [Indexed: 05/09/2023]
Abstract
Anthracnose, caused by Colletotrichum trifolii, is one of the most serious diseases of lucerne worldwide. The disease is managed through deployment of resistant cultivars, but new pathotypes present a challenge to the successful implementation of this strategy. This paper reports the genetic map locations of quantitative trait loci (QTL) for reaction to races 1, 2 and 4 of C. trifolii in a single autotetraploid lucerne clone, designated W126 from the Australian cv. Trifecta. Resistance was mapped in a backcross population of 145 individuals, and reaction was assessed both by spray and injection inoculation of stems. Resistance to injection inoculation with races 1 and 4 was incompletely dominant and closely linked (phenotypic markers 2.2 cM apart); these resistances mapped to a linkage group homologous to Medicago truncatula linkage group 8. When the spray inoculation data were subjected to QTL analysis, the strongest QTL for resistance was located on linkage group 8; six QTL were identified for race 1 and four for race 4. Resistance to race 2 was incompletely recessive; four QTL were identified and these include one QTL on linkage group 4 that was also identified for race 1. Modelling of the interactions between individual QTL and marker effects allowed a total of 52-63% of the phenotypic variation to be described for each of the different races. These markers will have value in breeding lucerne, carrying multiple sources of resistance to the three known races of C. trifolii.
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Affiliation(s)
- J M Mackie
- School of Integrative Biology, The University of Queensland, Brisbane, QLD, 4072, Australia
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Lin F, Chen XM. Genetics and molecular mapping of genes for race-specific all-stage resistance and non-race-specific high-temperature adult-plant resistance to stripe rust in spring wheat cultivar Alpowa. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2007; 114:1277-87. [PMID: 17318493 DOI: 10.1007/s00122-007-0518-0] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2006] [Accepted: 02/02/2007] [Indexed: 05/14/2023]
Abstract
Stripe rust, caused by Puccinia striiformis f. sp. tritici, is one of the most widespread and destructive wheat diseases worldwide. Growing resistant cultivars is the preferred control of the disease. The spring wheat cultivar 'Alpowa' has both race-specific, all-stage resistance and non-race-specific, high-temperature adult-plant (HTAP) resistances to stripe rust. To identify genes for the stripe rust resistances, Alpowa was crossed with 'Avocet Susceptible' (AVS). Seedlings of the parents, and F(1), F(2) and F(3) progeny were tested with races PST-1 and PST-21 of P. striiformis f. sp. tritici under controlled greenhouse conditions. Alpowa has a single partially dominant gene, designated as YrAlp, conferring all-stage resistance. Resistance gene analog polymorphism (RGAP) and simple sequence repeat (SSR) techniques were used to identify molecular markers linked to YrAlp. A linkage group of five RGAP markers and two SSR markers was constructed for YrAlp using 136 F(3) lines. Amplification of a set of nulli-tetrasomic Chinese Spring lines with RGAP markers Xwgp47 and Xwgp48 and the two SSR markers indicated that YrAlp is located on the short arm of chromosome 1B. To map quantitative trait loci (QTLs) for the non-race-specific HTAP resistance, the parents and 136 F(3) lines were tested at two sites near Pullman and one site near Mount Vernon, Washington, under naturally infected conditions. A major HTAP QTL was consistently detected across environments and was located on chromosome 7BL. Because of its chromosomal location and the non-race-specific nature of the HTAP resistance, this gene is different from previously described genes for adult-plant resistance, and is therefore designated Yr39. The gene contributed to 64.2% of the total variation of relative area under disease progress curve (AUDPC) data and 59.1% of the total variation of infection type data recorded at the heading-flowering stages. Two RGAP markers, Xwgp36 and Xwgp45 with the highest R (2) values were closely linked to Yr39, should be useful for incorporation of the non-race-specific resistance gene into new cultivars and for combining Yr39 with other genes for durable and high-level resistance.
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Affiliation(s)
- F Lin
- Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430, USA
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