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Kälin C, Piombo E, Bourras S, Brantestam AK, Dubey M, Elfstrand M, Karlsson M. Transcriptomic analysis identifies candidate genes for Aphanomyces root rot disease resistance in pea. BMC PLANT BIOLOGY 2024; 24:144. [PMID: 38413860 PMCID: PMC10900555 DOI: 10.1186/s12870-024-04817-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/12/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND Aphanomyces euteiches is a soil-borne oomycete that causes root rot in pea and other legume species. Symptoms of Aphanomyces root rot (ARR) include root discoloration and wilting, leading to significant yield losses in pea production. Resistance to ARR is known to be polygenic but the roles of single genes in the pea immune response are still poorly understood. This study uses transcriptomics to elucidate the immune response of two pea genotypes varying in their levels of resistance to A. euteiches. RESULTS In this study, we inoculated roots of the pea (P. sativum L.) genotypes 'Linnea' (susceptible) and 'PI180693' (resistant) with two different A. euteiches strains varying in levels of virulence. The roots were harvested at 6 h post-inoculation (hpi), 20 hpi and 48 hpi, followed by differential gene expression analysis. Our results showed a time- and genotype-dependent immune response towards A. euteiches infection, involving several WRKY and MYB-like transcription factors, along with genes associated with jasmonic acid (JA) and abscisic acid (ABA) signaling. By cross-referencing with genes segregating with partial resistance to ARR, we identified 39 candidate disease resistance genes at the later stage of infection. Among the genes solely upregulated in the resistant genotype 'PI180693', Psat7g091800.1 was polymorphic between the pea genotypes and encoded a Leucine-rich repeat receptor-like kinase reminiscent of the Arabidopsis thaliana FLAGELLIN-SENSITIVE 2 receptor. CONCLUSIONS This study provides new insights into the gene expression dynamics controlling the immune response of resistant and susceptible pea genotypes to A. euteiches infection. We present a set of 39 candidate disease resistance genes for ARR in pea, including the putative immune receptor Psat7g091800.1, for future functional validation.
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Affiliation(s)
- Carol Kälin
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
| | - Edoardo Piombo
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Salim Bourras
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - Mukesh Dubey
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Malin Elfstrand
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Magnus Karlsson
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Joshi S, Pandey BR, Rosewarne G. Characterization of field pea ( Pisum sativum) resistance against Peyronellaea pinodes and Didymella pinodella that cause ascochyta blight. FRONTIERS IN PLANT SCIENCE 2022; 13:976375. [PMID: 36352888 PMCID: PMC9637924 DOI: 10.3389/fpls.2022.976375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Ascochyta blight is one of the most destructive diseases in field pea and is caused by either individual or combined infections by the necrotrophic pathogens Peyronellaea pinodes, Didymella pinodella, Ascochyta pisi and Ascochyta koolunga. Knowledge of disease epidemiology will help in understanding the resistance mechanisms, which, in turn, is beneficial in breeding for disease resistance. A pool of breeding lines and cultivars were inoculated with P. pinodes and D. pinodella to study the resistance responses and to characterize the underlying resistance reactions. In general, phenotypic analysis of controlled environment disease assays showed clear differential responses among genotypes against the two pathogens. The released variety PBA Wharton and the breeding line 11HP302-12HO-1 showed high levels of resistance against both pathogens whereas PBA Twilight and 10HP249-11HO-7 showed differential responses between the two pathogens, showing higher resistance against D. pinodella as compared to P. pinodes. OZP1604 had high infection levels against both pathogens. Histochemical analysis of leaves using diamino benzidine (DAB) showed the more resistant genotypes had lower accumulation of hydrogen peroxide compared to susceptible genotypes. The digital images of DAB staining were analyzed using ImageJ, an image analysis software. The image analysis results showed that quantification of leaf disease infection through image analysis is a useful tool in estimating the level of cell death in biotic stress studies. The qRT-PCR analysis of defense related genes showed that partially resistant genotypes had significantly higher expression of PsOXII and Pshmm6 in the P. pinodes treated plants, whereas expression of PsOXII, PsAPX1, PsCHS3 and PsOPR1 increased in partially resistant plants inoculated with D. pinodella. The differential timing and intensity of expression of a range of genes between resistant lines challenged with the same pathogen, or challenged with different pathogens, suggests that there are multiple pathways that restrict infection in this complex pathogen-host interaction. The combination of phenotypic, histochemical and molecular approaches provide a comprehensive picture of the infection process and resistance mechanism of pea plants against these pathogens.
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3
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Wu L, Fredua-Agyeman R, Strelkov SE, Chang KF, Hwang SF. Identification of Novel Genes Associated with Partial Resistance to Aphanomyces Root Rot in Field Pea by BSR-Seq Analysis. Int J Mol Sci 2022; 23:9744. [PMID: 36077139 PMCID: PMC9456226 DOI: 10.3390/ijms23179744] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/26/2022] [Accepted: 08/26/2022] [Indexed: 12/04/2022] Open
Abstract
Aphanomyces root rot, caused by Aphanomyces euteiches, causes severe yield loss in field pea (Pisum sativum). The identification of a pea germplasm resistant to this disease is an important breeding objective. Polygenetic resistance has been reported in the field pea cultivar '00-2067'. To facilitate marker-assisted selection (MAS), bulked segregant RNA-seq (BSR-seq) analysis was conducted using an F8 RIL population derived from the cross of 'Carman' × '00-2067'. Root rot development was assessed under controlled conditions in replicated experiments. Resistant (R) and susceptible (S) bulks were constructed based on the root rot severity in a greenhouse study. The BSR-seq analysis of the R bulks generated 44,595,510~51,658,688 reads, of which the aligned sequences were linked to 44,757 genes in a reference genome. In total, 2356 differentially expressed genes were identified, of which 44 were used for gene annotation, including defense-related pathways (jasmonate, ethylene and salicylate) and the GO biological process. A total of 344.1 K SNPs were identified between the R and S bulks, of which 395 variants were located in 31 candidate genes. The identification of novel genes associated with partial resistance to Aphanomyces root rot in field pea by BSR-seq may facilitate efforts to improve management of this important disease.
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Affiliation(s)
| | | | | | | | - Sheau-Fang Hwang
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
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4
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Parihar AK, Kumar J, Gupta DS, Lamichaney A, Naik SJ S, Singh AK, Dixit GP, Gupta S, Toklu F. Genomics Enabled Breeding Strategies for Major Biotic Stresses in Pea ( Pisum sativum L.). FRONTIERS IN PLANT SCIENCE 2022; 13:861191. [PMID: 35665148 PMCID: PMC9158573 DOI: 10.3389/fpls.2022.861191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/28/2022] [Indexed: 06/15/2023]
Abstract
Pea (Pisum sativum L.) is one of the most important and productive cool season pulse crops grown throughout the world. Biotic stresses are the crucial constraints in harnessing the potential productivity of pea and warrant dedicated research and developmental efforts to utilize omics resources and advanced breeding techniques to assist rapid and timely development of high-yielding multiple stress-tolerant-resistant varieties. Recently, the pea researcher's community has made notable achievements in conventional and molecular breeding to accelerate its genetic gain. Several quantitative trait loci (QTLs) or markers associated with genes controlling resistance for fusarium wilt, fusarium root rot, powdery mildew, ascochyta blight, rust, common root rot, broomrape, pea enation, and pea seed borne mosaic virus are available for the marker-assisted breeding. The advanced genomic tools such as the availability of comprehensive genetic maps and linked reliable DNA markers hold great promise toward the introgression of resistance genes from different sources to speed up the genetic gain in pea. This review provides a brief account of the achievements made in the recent past regarding genetic and genomic resources' development, inheritance of genes controlling various biotic stress responses and genes controlling pathogenesis in disease causing organisms, genes/QTLs mapping, and transcriptomic and proteomic advances. Moreover, the emerging new breeding approaches such as transgenics, genome editing, genomic selection, epigenetic breeding, and speed breeding hold great promise to transform pea breeding. Overall, the judicious amalgamation of conventional and modern omics-enabled breeding strategies will augment the genetic gain and could hasten the development of biotic stress-resistant cultivars to sustain pea production under changing climate. The present review encompasses at one platform the research accomplishment made so far in pea improvement with respect to major biotic stresses and the way forward to enhance pea productivity through advanced genomic tools and technologies.
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Affiliation(s)
- Ashok Kumar Parihar
- Crop Improvement Division, ICAR-Indian Institute of Pulses Research (ICAR-IIPR), Kanpur, India
| | - Jitendra Kumar
- Crop Improvement Division, ICAR-Indian Institute of Pulses Research (ICAR-IIPR), Kanpur, India
| | - Debjyoti Sen Gupta
- Crop Improvement Division, ICAR-Indian Institute of Pulses Research (ICAR-IIPR), Kanpur, India
| | - Amrit Lamichaney
- Crop Improvement Division, ICAR-Indian Institute of Pulses Research (ICAR-IIPR), Kanpur, India
| | - Satheesh Naik SJ
- Crop Improvement Division, ICAR-Indian Institute of Pulses Research (ICAR-IIPR), Kanpur, India
| | - Anil K. Singh
- Crop Improvement Division, ICAR-Indian Institute of Pulses Research (ICAR-IIPR), Kanpur, India
| | - Girish P. Dixit
- All India Coordinated Research Project on Chickpea, ICAR-IIPR, Kanpur, India
| | - Sanjeev Gupta
- Indian Council of Agricultural Research, New Delhi, India
| | - Faruk Toklu
- Department of Field Crops, Faculty of Agricultural, Cukurova University, Adana, Turkey
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He T, Ren Z, Muhae-Ud-Din G, Guo Q, Liu T, Chen W, Gao L. Transcriptomics Analysis of Wheat Tassel Response to Tilletia laevis Kühn, Which Causes Common Bunt of Wheat. FRONTIERS IN PLANT SCIENCE 2022; 13:823907. [PMID: 35273625 PMCID: PMC8902468 DOI: 10.3389/fpls.2022.823907] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/10/2022] [Indexed: 05/20/2023]
Abstract
Tilletia laevis Kühn [synonym T. foetida (Wallr.) Liro] can lead to a wheat common bunt, which is one of the most serious diseases affecting kernels, a serious reduction in grain yield, and losses can reach up to 80% in favorable environments. To understand how wheat tassels respond to T. laevis, based on an RNA-Seq technology, we analyzed a host transcript accumulation on healthy wheat tassels and on tassels infected by the pathogen. Our results showed that 7,767 out of 15,658 genes were upregulated and 7,891 out of 15,658 genes were downregulated in wheat tassels. Subsequent gene ontology (GO) showed that differentially expressed genes (DEGs) are predominantly involved in biological processes, cellular components, and molecular functions. Additionally, Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis showed that 20 pathways were expressed significantly during the infection of wheat with T. laevis, while biosynthesis of amino acids, carbon metabolism, and starch and sucrose metabolism pathways were more highly expressed. Our findings also demonstrated that genes involved in defense mechanisms and myeloblastosis (MYB) transcription factor families were mostly upregulated, and the RNA-seq results were validated by quantitative real-time polymerase chain reaction (qRT-PCR). This is the first report on transcriptomics analysis of wheat tassels in response to T. laevis, which will contribute to understanding the interaction of T. laevis and wheat, and may provide higher efficiency control strategies, including developing new methods to increase the resistance of wheat crops to T. laevis-caused wheat common bunt.
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Affiliation(s)
- Ting He
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Key Laboratory of Agricultural Integrated Pest Management, Qinghai University, Xining, China
| | - Zhaoyu Ren
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ghulam Muhae-Ud-Din
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qingyun Guo
- Key Laboratory of Agricultural Integrated Pest Management, Qinghai University, Xining, China
| | - Taiguo Liu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wanquan Chen
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Li Gao
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- *Correspondence: Li Gao,
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Laloum Y, Gangneux C, Gügi B, Lanoue A, Munsch T, Blum A, Gauthier A, Trinsoutrot-Gattin I, Boulogne I, Vicré M, Driouich A, Laval K, Follet-Gueye ML. Faba bean root exudates alter pea root colonization by the oomycete Aphanomyces euteiches at early stages of infection. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 312:111032. [PMID: 34620436 DOI: 10.1016/j.plantsci.2021.111032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/14/2021] [Accepted: 08/20/2021] [Indexed: 06/13/2023]
Abstract
Aphanomyces euteiches is an oomycete pathogen that causes the pea root rot. We investigated the potential role of early belowground defense in pea (susceptible plant) and faba bean (tolerant plant) at three days after inoculation. Pea and faba bean were inoculated with A. euteiches zoospores. Root colonization was examined. Root exudates from pea and faba bean were harvested and their impact on A. euteiches development were assessed by using in vitro assays. A. euteiches root colonization and the influence of the oomycete inoculation on specialized metabolites patterns and arabinogalactan protein (AGP) concentration of root exudates were also determined. In faba bean root, A. euteiches colonization was very low as compared with that of pea. Whereas infected pea root exudates have a positive chemotaxis index (CI) on zoospores, faba bean exudate CI was negative suggesting a repellent effect. While furanoacetylenic compounds were only detected in faba bean exudates, AGP concentration was specifically increased in pea.This work showed that early in the course of infection, host susceptibility to A. euteiches is involved via a plant-species specific root exudation opening new perspectives in pea root rot disease management.
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Affiliation(s)
- Yohana Laloum
- AGHYLE research unit, UP 2018.C101, UniLaSalle Rouen 3 rue du tronquet CS 40118, 76134, Mont Saint Aignan, France; Normandie Univ, UNIROUEN, Glyco-MEV, EA4358, SFR NORVEGE FED 4277, I2C Carnot, IRIB, 76000, Rouen, France
| | - Christophe Gangneux
- AGHYLE research unit, UP 2018.C101, UniLaSalle Rouen 3 rue du tronquet CS 40118, 76134, Mont Saint Aignan, France
| | - Bruno Gügi
- Normandie Univ, UNIROUEN, Glyco-MEV, EA4358, SFR NORVEGE FED 4277, I2C Carnot, IRIB, 76000, Rouen, France
| | - Arnaud Lanoue
- Université de Tours, EA 2106 «Biomolécules et Biotechnologies Végétales», UFR des Sciences Pharmaceutiques, 31 Av. Monge, F37200, Tours, France
| | - Thibaut Munsch
- Université de Tours, EA 2106 «Biomolécules et Biotechnologies Végétales», UFR des Sciences Pharmaceutiques, 31 Av. Monge, F37200, Tours, France
| | - Adrien Blum
- AGHYLE research unit, UP 2018.C101, UniLaSalle Rouen 3 rue du tronquet CS 40118, 76134, Mont Saint Aignan, France
| | - Adrien Gauthier
- AGHYLE research unit, UP 2018.C101, UniLaSalle Rouen 3 rue du tronquet CS 40118, 76134, Mont Saint Aignan, France
| | - Isabelle Trinsoutrot-Gattin
- AGHYLE research unit, UP 2018.C101, UniLaSalle Rouen 3 rue du tronquet CS 40118, 76134, Mont Saint Aignan, France
| | - Isabelle Boulogne
- Normandie Univ, UNIROUEN, Glyco-MEV, EA4358, SFR NORVEGE FED 4277, I2C Carnot, IRIB, 76000, Rouen, France
| | - Maïté Vicré
- Normandie Univ, UNIROUEN, Glyco-MEV, EA4358, SFR NORVEGE FED 4277, I2C Carnot, IRIB, 76000, Rouen, France
| | - Azeddine Driouich
- Normandie Univ, UNIROUEN, Glyco-MEV, EA4358, SFR NORVEGE FED 4277, I2C Carnot, IRIB, 76000, Rouen, France
| | - Karine Laval
- AGHYLE research unit, UP 2018.C101, UniLaSalle Rouen 3 rue du tronquet CS 40118, 76134, Mont Saint Aignan, France
| | - Marie-Laure Follet-Gueye
- Normandie Univ, UNIROUEN, Glyco-MEV, EA4358, SFR NORVEGE FED 4277, I2C Carnot, IRIB, 76000, Rouen, France.
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7
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Abstract
Root rot diseases remain a major global threat to the productivity of agricultural crops. They are usually caused by more than one type of pathogen and are thus often referred to as a root rot complex. Fungal and oomycete species are the predominant participants in the complex, while bacteria and viruses are also known to cause root rot. Incorporating genetic resistance in cultivated crops is considered the most efficient and sustainable solution to counter root rot, however, resistance is often quantitative in nature. Several genetics studies in various crops have identified the quantitative trait loci associated with resistance. With access to whole genome sequences, the identity of the genes within the reported loci is becoming available. Several of the identified genes have been implicated in pathogen responses. However, it is becoming apparent that at the molecular level, each pathogen engages a unique set of proteins to either infest the host successfully or be defeated or contained in attempting so. In this review, a comprehensive summary of the genes and the potential mechanisms underlying resistance or susceptibility against the most investigated root rots of important agricultural crops is presented.
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8
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Ren Z, Liu J, Din GMU, Zhang H, Du Z, Chen W, Liu T, Zhang J, Zhao S, Gao L. Transcriptome analysis of wheat spikes in response to Tilletia controversa Kühn which cause wheat dwarf bunt. Sci Rep 2020; 10:21567. [PMID: 33299089 PMCID: PMC7725808 DOI: 10.1038/s41598-020-78628-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 11/25/2020] [Indexed: 02/06/2023] Open
Abstract
Wheat dwarf bunt is caused by Tilletia controversa Kühn, which is one of the most destructive diseases of wheat worldwide. To explore the interaction of T. controversa and wheat, we analysed the transcriptome profile of spikes of the susceptible wheat cultivar Dongxuan 3, which was subjected to a T. controversa infection and a mock infection. The results obtained from a differential expression analysis of T. controversa-infected plants compared with mock-infected ones showed that 10,867 out of 21,354 genes were upregulated, while 10,487 genes were downregulated, and these genes were enriched in 205 different pathways. Our findings demonstrated that the genes associated with defence against diseases, such as PR-related genes, WRKY transcription factors and mitogen-activated protein kinase genes, were more highly expressed in response to T. controversa infection. Additionally, a number of genes related to physiological attributes were expressed during infection. Three pathways were differentiated based on the characteristics of gene ontology classification. KEGG enrichment analysis showed that twenty genes were expressed differentially during the infection of wheat with T. controversa. Notable changes were observed in the transcriptomes of wheat plants after infection. The results of this study may help to elucidate the mechanism governing the interactions between this pathogen and wheat plants and may facilitate the development of new methods to increase the resistance level of wheat against T. controversa, including the overexpression of defence-related genes.
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Affiliation(s)
- Zhaoyu Ren
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jianjian Liu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,School of Agriculture, Yangtze University, Hubei, 434025, China
| | - Ghulam Muhae Ud Din
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Han Zhang
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,Key Laboratory at Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resource Utilization, Shihezi University, Xinjiang, 832003, China
| | - Zhenzhen Du
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Wanquan Chen
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Taiguo Liu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jianmin Zhang
- School of Agriculture, Yangtze University, Hubei, 434025, China
| | - Sifeng Zhao
- Key Laboratory at Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resource Utilization, Shihezi University, Xinjiang, 832003, China
| | - Li Gao
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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Kamada M, Oka M, Miyamoto K, Uheda E, Yamazaki C, Shimazu T, Sano H, Kasahara H, Suzuki T, Higashibata A, Ueda J. Microarray profile of gene expression in etiolated Pisum sativum seedlings grown under microgravity conditions in space: Relevance to the International Space Station experiment "Auxin Transport". LIFE SCIENCES IN SPACE RESEARCH 2020; 26:55-61. [PMID: 32718687 DOI: 10.1016/j.lssr.2020.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/22/2020] [Accepted: 04/11/2020] [Indexed: 06/11/2023]
Abstract
This paper introduces the use of microarray data technology with Medicago (Medicago truncatula) microarrays to characterize global changes in the transcript abundance of etiolated Alaska pea (Pisum sativum L.) seedlings grown under microgravity (µg) conditions in comparison with those under artificial 1 g conditions on the International Space Station. Of the 44,000 genes of the Medicago microarray platform, more than 25,000 transcripts of pea seedlings were hybridized, suggesting that the microarray platform for Medicago could be useful in the study of gene expression of etiolated pea seedlings grown under µg conditions in space. Gene array data were analyzed according to stringent criteria that restricted the scored genes for specific hybridization values at least twofold. Expression of 1362 and 1558 genes in proximal side (the proximal side) and distal side of the epicotyl to the cotyledons (the distal side), respectively, were highly affected by µg conditions in space. Of the genes analyzed, 407 of 1362 transcripts in the proximal side and 740 of 1558 transcripts in the distal side were expressed at ratios at least twofold. However, in the presence of the auxin transport inhibitor TIBA, 212 of 399 transcripts and 255 of 477 transcripts were expressed at ratios at least twofold as high in the proximal and the distal sides of epicotyls in the seedlings grown under µg conditions, respectively. Based on Venn diagram analysis, 31 transcripts and 24 transcripts were found to commonly increase and decrease, respectively, under µg conditions in space. Venn analysis revealed six auxin-related genes and three water channel AQUAPORIN genes that were responsive to gravity. Among 6 auxin-related genes, the accumulation of transcripts of Auxin-induced protein 5NG4 and Indole-3-acetic acid-amido synthetase GH3.3 tended to increase, and that of Auxin-induced protein, Auxin response factor, SAUR-like auxin-responsive family protein and Auxin response factor tended to decrease under µg conditions, whereas there were no statistic differences between under µg and artificial 1 g conditions. Similarly there were no statistic differences between under µg conditions and artificial 1 g, but the accumulation of NIP3-1 and Plasma membrane intrinsic protein11, and AQUAPORIN1/Tonoplast intrinsic protein tended to increase and decrease, respectively. A possible role of auxin-related genes and AQUAPORIN genes in regulating growth of etiolated pea seedlings grown under µg conditions in space is discussed.
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Affiliation(s)
- Motoshi Kamada
- Future Development Division, Advanced Engineering Services Co., Ltd., 1-6-1 Takezono, Tsukuba, Ibaraki 305-0032, Japan.
| | - Mariko Oka
- Faculty of Agriculture, Tottori University, 4-101 Koyamacho-minami, Tottori 680-8553, Japan
| | - Kensuke Miyamoto
- Faculty of Liberal Arts and Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Eiji Uheda
- Graduate School of Science, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Chiaki Yamazaki
- JEM Mission Operations and Integration Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
| | - Toru Shimazu
- Technology and Research Promotion Department, Japan Space Forum, Shin-Otemachi Bldg., 2-2-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
| | - Hiromi Sano
- Utilization Engineering Department, Japan Manned Space System Corporation, Space Station Test Building, Tsukuba Space Center, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
| | - Haruo Kasahara
- Kibo Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
| | - Tomomi Suzuki
- Kibo Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
| | - Akira Higashibata
- Kibo Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
| | - Junichi Ueda
- Graduate School of Science, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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Transcriptome analysis of Actinidia chinensis in response to Botryosphaeria dothidea infection. PLoS One 2020; 15:e0227303. [PMID: 31914162 PMCID: PMC6948751 DOI: 10.1371/journal.pone.0227303] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 12/16/2019] [Indexed: 11/26/2022] Open
Abstract
Ripe rot caused by Botryosphaeria dothidea causes extensive production losses in kiwifruit (Actinidia chinensis Planch.). Our previous study showed that kiwifruit variety “Jinyan” is resistant to B. dothidea while “Hongyang” is susceptible. For a comparative analysis of the response of these varieties to B. dothidea infection, we performed a transcriptome analysis by RNA sequencing. A total of 305.24 Gb of clean bases were generated from 36 libraries of which 175.76 Gb was from the resistant variety and 129.48 Gb from the susceptible variety. From the libraries generated, we identified 44,656 genes including 39,041 reference genes, 5,615 novel transcripts, and 13,898 differentially expressed genes (DEGs). Among these, 2,373 potentially defense-related genes linked to calcium signaling, mitogen-activated protein kinase (MAPK), cell wall modification, phytoalexin synthesis, transcription factors, pattern-recognition receptors, and pathogenesis-related proteins may regulate kiwifruit resistance to B. dothidea. DEGs involved in calcium signaling, MAPK, and cell wall modification in the resistant variety were induced at an earlier stage and at higher levels compared with the susceptible variety. Thirty DEGs involved in plant defense response were strongly induced in the resistant variety at all three time points. This study allowed the first comprehensive understanding of kiwifruit transcriptome in response to B. dothidea and may help identify key genes required for ripe rot resistance in kiwifruit.
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Kankanala P, Nandety RS, Mysore KS. Genomics of Plant Disease Resistance in Legumes. FRONTIERS IN PLANT SCIENCE 2019; 10:1345. [PMID: 31749817 PMCID: PMC6842968 DOI: 10.3389/fpls.2019.01345] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 09/27/2019] [Indexed: 05/15/2023]
Abstract
The constant interactions between plants and pathogens in the environment and the resulting outcomes are of significant importance for agriculture and agricultural scientists. Disease resistance genes in plant cultivars can break down in the field due to the evolution of pathogens under high selection pressure. Thus, the protection of crop plants against pathogens is a continuous arms race. Like any other type of crop plant, legumes are susceptible to many pathogens. The dawn of the genomic era, in which high-throughput and cost-effective genomic tools have become available, has revolutionized our understanding of the complex interactions between legumes and pathogens. Genomic tools have enabled a global view of transcriptome changes during these interactions, from which several key players in both the resistant and susceptible interactions have been identified. This review summarizes some of the large-scale genomic studies that have clarified the host transcriptional changes during interactions between legumes and their plant pathogens while highlighting some of the molecular breeding tools that are available to introgress the traits into breeding programs. These studies provide valuable insights into the molecular basis of different levels of host defenses in resistant and susceptible interactions.
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Judelson HS, Ah-Fong AMV. Exchanges at the Plant-Oomycete Interface That Influence Disease. PLANT PHYSIOLOGY 2019; 179:1198-1211. [PMID: 30538168 PMCID: PMC6446794 DOI: 10.1104/pp.18.00979] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 11/19/2018] [Indexed: 05/20/2023]
Abstract
Molecular exchanges between plants and biotrophic, hemibiotrophic, and necrotrophic oomycetes affect disease progression.
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Affiliation(s)
- Howard S Judelson
- Department of Microbiology and Plant Pathology, University of California, Riverside, California 92521
| | - Audrey M V Ah-Fong
- Department of Microbiology and Plant Pathology, University of California, Riverside, California 92521
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Jiang N, Fan X, Lin W, Wang G, Cai K. Transcriptome Analysis Reveals New Insights into the Bacterial Wilt Resistance Mechanism Mediated by Silicon in Tomato. Int J Mol Sci 2019; 20:ijms20030761. [PMID: 30754671 PMCID: PMC6387441 DOI: 10.3390/ijms20030761] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 01/30/2019] [Accepted: 02/04/2019] [Indexed: 12/20/2022] Open
Abstract
Bacterial wilt is a devastating disease of tomato caused by soilborne pathogenic bacterium Ralstonia solanacearum. Previous studies found that silicon (Si) can increase tomato resistance against R. solanacearum, but the exact molecular mechanism remains unclear. RNA sequencing (RNA-Seq) technology was used to investigate the dynamic changes of root transcriptome profiles between Si-treated (+Si) and untreated (−Si) tomato plants at 1, 3, and 7 days post-inoculation with R. solanacearum. The contents of salicylic acid (SA), ethylene (ET), and jasmonic acid (JA) and the activity of defense-related enzymes in roots of tomato in different treatments were also determined. The burst of ET production in roots was delayed, and SA and JA contents were altered in Si treatment. The transcriptional response to R. solanacearum infection of the +Si plants was quicker than that of the untreated plants. The expression levels of differentially-expressed genes involved in pathogen-associated molecular pattern-triggered immunity (PTI), oxidation resistance, and water-deficit stress tolerance were upregulated in the Si-treated plants. Multiple hormone-related genes were differentially expressed in the Si-treated plants. Si-mediated resistance involves mechanisms other than SA- and JA/ET-mediated stress responses. We propose that Si-mediated tomato resistance to R. solanacearum is associated with activated PTI-related responses and enhanced disease resistance and tolerance via several signaling pathways. Such pathways are mediated by multiple hormones (e.g., SA, JA, ET, and auxin), leading to diminished adverse effects (e.g., senescence, water-deficit, salinity and oxidative stress) normally caused by R. solanacearum infection. This finding will provide an important basis to further characterize the role of Si in enhancing plant resistance against biotic stress.
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Affiliation(s)
- Nihao Jiang
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
- Institute of Tropical and Subtropical Ecology, South China Agricultural University, Guangzhou 510642, China.
| | - Xueying Fan
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
- Institute of Tropical and Subtropical Ecology, South China Agricultural University, Guangzhou 510642, China.
| | - Weipeng Lin
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
- Tea Research Institute, Guangdong Academy of Agricultural Science/Guangdong Key Laboratory of Tea Plant Resources Innovation & Utilization, Guangzhou 510640, China.
| | - Guoping Wang
- College of Horticulture, South China Agricultural University, Guangzhou 510642, China.
| | - Kunzheng Cai
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
- Institute of Tropical and Subtropical Ecology, South China Agricultural University, Guangzhou 510642, China.
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Gaulin E, Pel MJC, Camborde L, San-Clemente H, Courbier S, Dupouy MA, Lengellé J, Veyssiere M, Le Ru A, Grandjean F, Cordaux R, Moumen B, Gilbert C, Cano LM, Aury JM, Guy J, Wincker P, Bouchez O, Klopp C, Dumas B. Genomics analysis of Aphanomyces spp. identifies a new class of oomycete effector associated with host adaptation. BMC Biol 2018; 16:43. [PMID: 29669603 PMCID: PMC5907361 DOI: 10.1186/s12915-018-0508-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 03/20/2018] [Indexed: 02/07/2023] Open
Abstract
Background Oomycetes are a group of filamentous eukaryotic microorganisms that have colonized all terrestrial and oceanic ecosystems, and they include prominent plant pathogens. The Aphanomyces genus is unique in its ability to infect both plant and animal species, and as such exemplifies oomycete versatility in adapting to different hosts and environments. Dissecting the underpinnings of oomycete diversity provides insights into their specificity and pathogenic mechanisms. Results By carrying out genomic analyses of the plant pathogen A. euteiches and the crustacean pathogen A. astaci, we show that host specialization is correlated with specialized secretomes that are adapted to the deconstruction of the plant cell wall in A. euteiches and protein degradation in A. astaci. The A. euteiches genome is characterized by a large repertoire of small secreted protein (SSP)-encoding genes that are highly induced during plant infection, and are not detected in other oomycetes. Functional analysis revealed an SSP from A. euteiches containing a predicted nuclear-localization signal which shuttles to the plant nucleus and increases plant susceptibility to infection. Conclusion Collectively, our results show that Aphanomyces host adaptation is associated with evolution of specialized secretomes and identify SSPs as a new class of putative oomycete effectors. Electronic supplementary material The online version of this article (10.1186/s12915-018-0508-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elodie Gaulin
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France.
| | - Michiel J C Pel
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
| | - Laurent Camborde
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
| | - Hélène San-Clemente
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
| | - Sarah Courbier
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France.,Present Address: Plant Ecophysiology, Institute of Environmental Biology, Utrecht University, Utrecht, The Netherlands
| | - Marie-Alexane Dupouy
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
| | - Juliette Lengellé
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
| | - Marine Veyssiere
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
| | - Aurélie Le Ru
- Fédération de Recherche 3450, Plateforme Imagerie, Pôle de Biotechnologie Végétale, 31326, Castanet-Tolosan, France
| | - Frédéric Grandjean
- Laboratoire Ecologie et Biologie des Interactions, UMR CNRS 7267, Université de Poitiers, Poitiers, France
| | - Richard Cordaux
- Laboratoire Ecologie et Biologie des Interactions, UMR CNRS 7267, Université de Poitiers, Poitiers, France
| | - Bouziane Moumen
- Laboratoire Ecologie et Biologie des Interactions, UMR CNRS 7267, Université de Poitiers, Poitiers, France
| | - Clément Gilbert
- Laboratoire Evolution, Génomes, Comportement, Ecologie CNRS Université Paris-Sud UMR 9191, IRD 247, Gif sur Yvette, France
| | - Liliana M Cano
- University of Florida, UF/IFAS, Indian River Research and Education Center IRREC, 2199 South Rock Road, Fort Pierce, FL, 34945, USA
| | - Jean-Marc Aury
- Commissariat à l'Energie Atomique (CEA), Institut de Biologie François-Jacob, Genoscope, F-92057, Evry, France
| | - Julie Guy
- Commissariat à l'Energie Atomique (CEA), Institut de Biologie François-Jacob, Genoscope, F-92057, Evry, France
| | - Patrick Wincker
- Commissariat à l'Energie Atomique (CEA), Institut de Biologie François-Jacob, Genoscope, CNRS UMR 8030, Université d'Evry, Evry, France
| | - Olivier Bouchez
- INRA, US 1426, GeT-PlaGe, Genotoul, Castanet-Tolosan, France
| | - Christophe Klopp
- INRA, UR875, Plateforme Bioinformatique Genotoul, Castanet-Tolosan, France
| | - Bernard Dumas
- Laboratoire de Recherche en Sciences Végétales, CNRS UMR5546 Université de Toulouse, Paul Sabatier, 24, chemin de Borde Rouge BP 42617 Auzeville, 31326, Castanet-Tolosan, France
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Liu F, Wu JB, Zhan RL, Ou XC. Transcription Profiling Analysis of Mango-Fusarium mangiferae Interaction. Front Microbiol 2016; 7:1443. [PMID: 27683574 PMCID: PMC5022174 DOI: 10.3389/fmicb.2016.01443] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 08/30/2016] [Indexed: 11/13/2022] Open
Abstract
Malformation caused by Fusarium mangiferae is one of the most destructive mango diseases affecting the canopy and floral development, leading to dramatic reduction in fruit yield. To further understand the mechanism of interaction between mango and F. mangiferae, we monitored the transcriptome profiles of buds from susceptible mango plants, which were challenged with F. mangiferae. More than 99 million reads were deduced by RNA-sequencing and were assembled into 121,267 unigenes. Based on the sequence similarity searches, 61,706 unigenes were identified, of which 21,273 and 50,410 were assigned to gene ontology categories and clusters of orthologous groups, respectively, and 33,243 were mapped to 119 KEGG pathways. The differentially expressed genes of mango were detected, having 15,830, 26,061, and 20,146 DEGs respectively, after infection for 45, 75, and 120 days. The analysis of the comparative transcriptome suggests that basic defense mechanisms play important roles in disease resistance. The data also show the transcriptional responses of interactions between mango and the pathogen and more drastic changes in the host transcriptome in response to the pathogen. These results could be used to develop new methods to broaden the resistance of mango to malformation, including the over-expression of key mango genes.
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Affiliation(s)
| | | | - Ru-lin Zhan
- Key Laboratory of Tropical Fruit Biology, Ministry of Agriculture, Southern Subtropical Crops Research Institute, Chinese Academy of Tropical Agricultural SciencesZhanjiang, China
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Desalegn G, Turetschek R, Kaul HP, Wienkoop S. Microbial symbionts affect Pisum sativum proteome and metabolome under Didymella pinodes infection. J Proteomics 2016; 143:173-187. [PMID: 27016040 DOI: 10.1016/j.jprot.2016.03.018] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 02/18/2016] [Accepted: 03/15/2016] [Indexed: 11/15/2022]
Abstract
UNLABELLED The long cultivation of field pea led to an enormous diversity which, however, seems to hold just little resistance against the ascochyta blight disease complex. The potential of below ground microbial symbiosis to prime the immune system of Pisum for an upcoming pathogen attack has hitherto received little attention. This study investigates the effect of beneficial microbes on the leaf proteome and metabolome as well as phenotype characteristics of plants in various symbiont interactions (mycorrhiza, rhizobia, co-inoculation, non-symbiotic) after infestation by Didymella pinodes. In healthy plants, mycorrhiza and rhizobia induced changes in RNA metabolism and protein synthesis. Furthermore, metal handling and ROS dampening was affected in all mycorrhiza treatments. The co-inoculation caused the synthesis of stress related proteins with concomitant adjustment of proteins involved in lipid biosynthesis. The plant's disease infection response included hormonal adjustment, ROS scavenging as well as synthesis of proteins related to secondary metabolism. The regulation of the TCA, amino acid and secondary metabolism including the pisatin pathway, was most pronounced in rhizobia associated plants which had the lowest infection rate and the slowest disease progression. BIOLOGICAL SIGNIFICANCE A most comprehensive study of the Pisum sativum proteome and metabolome infection response to Didymella pinodes is provided. Several distinct patterns of microbial symbioses on the plant metabolism are presented for the first time. Upon D. pinodes infection, rhizobial symbiosis revealed induced systemic resistance e.g. by an enhanced level of proteins involved in pisatin biosynthesis.
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Affiliation(s)
- G Desalegn
- University of Natural Resources and Life Sciences, Department of Crop Sciences, Austria
| | - R Turetschek
- University of Vienna, Department of Ecogenomics and Systems Biology, Austria
| | - H-P Kaul
- University of Natural Resources and Life Sciences, Department of Crop Sciences, Austria
| | - S Wienkoop
- University of Vienna, Department of Ecogenomics and Systems Biology, Austria.
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