1
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Choi MS, Lee J, Kim JM, Kim SG, Joo Y. Girdling behavior of the longhorn beetle modulates the host plant to enhance larval performance. BMC Ecol Evol 2024; 24:49. [PMID: 38637737 PMCID: PMC11025245 DOI: 10.1186/s12862-024-02228-z] [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: 02/05/2024] [Accepted: 03/19/2024] [Indexed: 04/20/2024] Open
Abstract
BACKGROUND Preingestive behavioral modulations of herbivorous insects on the host plant are abundant over insect taxa. Those behaviors are suspected to have functions such as deactivation of host plant defenses, nutrient accumulation, or modulating plant-mediated herbivore interactions. To understand the functional consequence of behavioral modulation of insect herbivore, we studied the girdling behavior of Phytoecia rufiventris Gautier (Lamiinae; Cerambycidae) on its host plant Erigeron annuus L. (Asteraceae) that is performed before endophytic oviposition in the stem. RESULTS The girdling behavior significantly increased the larval performance in both field monitoring and lab experiment. The upper part of the girdled stem exhibited lack of jasmonic acid induction upon larval attack, lowered protease inhibitor activity, and accumulated sugars and amino acids in compared to non-girdled stem. The girdling behavior had no effect on the larval performance of a non-girdling longhorn beetle Agapanthia amurensis, which also feeds on the stem of E. annuus during larval phase. However, the girdling behavior decreased the preference of A. amurensis females for oviposition, which enabled P. rufiventris larvae to avoid competition with A. amurensis larvae. CONCLUSIONS In conclusion, the girdling behavior modulates plant physiology and morphology to provide a modulated food source for larva and hide it from the competitor. Our study implies that the insect behavior modulations can have multiple functions, providing insights into adaptation of insect behavior in context of plant-herbivore interaction.
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Affiliation(s)
- Min-Soo Choi
- School of Biological Sciences, Seoul National University, 00826, Seoul, Republic of Korea
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 34141, Daejeon, Republic of Korea
| | - Juhee Lee
- Department of Biological Sciences and Biotechnology, Chungbuk National University, 28644, Cheongju, Republic of Korea
| | - Jeong-Min Kim
- School of Biological Sciences, Seoul National University, 00826, Seoul, Republic of Korea
- Department of Biological Sciences and Biotechnology, Chungbuk National University, 28644, Cheongju, Republic of Korea
| | - Sang-Gyu Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 34141, Daejeon, Republic of Korea.
| | - Youngsung Joo
- School of Biological Sciences, Seoul National University, 00826, Seoul, Republic of Korea.
- Department of Biological Sciences and Biotechnology, Chungbuk National University, 28644, Cheongju, Republic of Korea.
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2
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Liu C, He S, Chen J, Wang M, Li Z, Wei L, Chen Y, Du M, Liu D, Li C, An C, Bhadauria V, Lai J, Zhu W. A dual-subcellular localized β-glucosidase confers pathogen and insect resistance without a yield penalty in maize. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:1017-1032. [PMID: 38012865 PMCID: PMC10955503 DOI: 10.1111/pbi.14242] [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: 08/18/2023] [Revised: 10/23/2023] [Accepted: 11/11/2023] [Indexed: 11/29/2023]
Abstract
Maize is one of the most important crops for food, cattle feed and energy production. However, maize is frequently attacked by various pathogens and pests, which pose a significant threat to maize yield and quality. Identification of quantitative trait loci and genes for resistance to pests will provide the basis for resistance breeding in maize. Here, a β-glucosidase ZmBGLU17 was identified as a resistance gene against Pythium aphanidermatum, one of the causal agents of corn stalk rot, by genome-wide association analysis. Genetic analysis showed that both structural variations at the promoter and a single nucleotide polymorphism at the fifth intron distinguish the two ZmBGLU17 alleles. The causative polymorphism near the GT-AG splice site activates cryptic alternative splicing and intron retention of ZmBGLU17 mRNA, leading to the downregulation of functional ZmBGLU17 transcripts. ZmBGLU17 localizes in both the extracellular matrix and vacuole and contribute to the accumulation of two defence metabolites lignin and DIMBOA. Silencing of ZmBGLU17 reduces maize resistance against P. aphanidermatum, while overexpression significantly enhances resistance of maize against both the oomycete pathogen P. aphanidermatum and the Asian corn borer Ostrinia furnacalis. Notably, ZmBGLU17 overexpression lines exhibited normal growth and yield phenotype in the field. Taken together, our findings reveal that the apoplastic and vacuolar localized ZmBGLU17 confers resistance to both pathogens and insect pests in maize without a yield penalty, by fine-tuning the accumulation of lignin and DIMBOA.
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Affiliation(s)
- Chuang Liu
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Shengfeng He
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Junbin Chen
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Mingyu Wang
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Zhenju Li
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Luyang Wei
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Yan Chen
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Meida Du
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Dandan Liu
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Cai Li
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Chunju An
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
- State Key Laboratory of Maize Bio‐breedingChina Agricultural UniversityBeijingChina
| | - Vijai Bhadauria
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Jinsheng Lai
- State Key Laboratory of Maize Bio‐breeding, National Maize Improvement Center, Frontiers Science Center for Molecular Design Breeding, Department of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Wangsheng Zhu
- China Key Laboratory of Pest Monitoring and Green Management, MOA, and College of Plant ProtectionChina Agricultural UniversityBeijingChina
- State Key Laboratory of Maize Bio‐breedingChina Agricultural UniversityBeijingChina
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3
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Zhang W, Jiménez-Jiménez Á, Capellades M, Rencoret J, Kashyap A, Coll NS. Determination of De Novo Suberin-Lignin Ferulate Deposition in Xylem Tissue Upon Vascular Pathogen Attack. Methods Mol Biol 2024; 2722:117-127. [PMID: 37897604 DOI: 10.1007/978-1-0716-3477-6_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/30/2023]
Abstract
Plant vascular pathogens use different ways to reach the xylem vessels and cause devastating diseases in plants. Resistant and tolerant plants have evolved various defense mechanisms against vascular pathogens. Inducible physico-chemical structures, such as the formation of tyloses and wall reinforcements with phenolic polymers, are very effective barriers that confine the pathogen and prevent colonization. Here, we use a combination of classical histochemistry along with bright-field and fluorescence microscopy and two-dimensional nuclear magnetic resonance (2D-NMR) spectroscopy to visualize and characterize wall reinforcements containing phenolic wall polymers, namely, lignin, ferulates, and suberin, which occur in different xylem vasculature in response to pathogen attack.
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Affiliation(s)
- Weiqi Zhang
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Bellaterra, Spain
| | - Álvaro Jiménez-Jiménez
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Bellaterra, Spain
| | - Montserrat Capellades
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Bellaterra, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Jorge Rencoret
- Institute of Natural Resources and Agrobiology of Seville (IRNAS), CSIC, Seville, Spain
| | - Anurag Kashyap
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Bellaterra, Spain
- Department of Plant Pathology, Assam Agricultural University, Jorhat, Assam, India
| | - Núria S Coll
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Bellaterra, Spain.
- Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.
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4
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Rates ADB, Cesarino I. Pour some sugar on me: The diverse functions of phenylpropanoid glycosylation. JOURNAL OF PLANT PHYSIOLOGY 2023; 291:154138. [PMID: 38006622 DOI: 10.1016/j.jplph.2023.154138] [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: 08/31/2023] [Accepted: 11/06/2023] [Indexed: 11/27/2023]
Abstract
The phenylpropanoid metabolism is the source of a vast array of specialized metabolites that play diverse functions in plant growth and development and contribute to all aspects of plant interactions with their surrounding environment. These compounds protect plants from damaging ultraviolet radiation and reactive oxygen species, provide mechanical support for the plants to stand upright, and mediate plant-plant and plant-microorganism communications. The enormous metabolic diversity of phenylpropanoids is further expanded by chemical modifications known as "decorative reactions", including hydroxylation, methylation, glycosylation, and acylation. Among these modifications, glycosylation is the major driving force of phenylpropanoid structural diversification, also contributing to the expansion of their properties. Phenylpropanoid glycosylation is catalyzed by regioselective uridine diphosphate (UDP)-dependent glycosyltransferases (UGTs), whereas glycosyl hydrolases known as β-glucosidases are the major players in deglycosylation. In this article, we review how the glycosylation process affects key physicochemical properties of phenylpropanoids, such as molecular stability and solubility, as well as metabolite compartmentalization/storage and biological activity/toxicity. We also summarize the recent knowledge on the functional implications of glycosylation of different classes of phenylpropanoid compounds. A balance of glycosylation/deglycosylation might represent an essential molecular mechanism to regulate phenylpropanoid homeostasis, allowing plants to dynamically respond to diverse environmental signals.
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Affiliation(s)
- Arthur de Barros Rates
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, 05508-090, São Paulo, Brazil
| | - Igor Cesarino
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, 05508-090, São Paulo, Brazil; Synthetic and Systems Biology Center, InovaUSP, Avenida Professor Lucio Martins Rodrigues 370, 05508-020, São Paulo, Brazil.
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5
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Reinhardt JR, Marquis RJ. Ecosystem engineering and leaf quality together affect arthropod community structure and diversity on white oak (Quercus alba L.). Oecologia 2023; 203:13-25. [PMID: 37689603 PMCID: PMC10615914 DOI: 10.1007/s00442-023-05439-1] [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: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 09/11/2023]
Abstract
Shelter building caterpillars act as ecosystem engineers by creating and maintaining leaf shelters, which are then colonized by other arthropods. Foliage quality has been shown to influence initial colonization by shelter-building caterpillars. However, the effects of plant quality on the interactions between ecosystem engineers and their communities have yet to be studied at the whole plant level. We examined how leaf tying caterpillars, as ecosystem engineers, impact arthropod communities on Quercus alba (white oak), and the modifying effect of foliage quality on these interactions. We removed all leaf tying caterpillars and leaf ties on 35 Q. alba saplings during the season when leaf tying caterpillars were active (June-September), and compared these leaf tie removal trees to 35 control trees whose leaf ties were left intact. Removal of these ecosystem engineers had no impact on overall arthropod species richness, but reduced species diversity, and overall arthropod abundance and that of most guilds, and changed the structure of the arthropod community as the season progressed. There was an increase in plant-level species richness with increasing number of leaf ties, consistent with Habitat Diversity Hypothesis. In turn, total arthropod density, and that of both leaf tying caterpillars and free-feeding caterpillars were affected by foliar tannin and nitrogen concentrations, and leaf water content. The engineering effect was greatest on low quality plants, consistent with the Stress-Gradient Hypothesis. Our results demonstrate that interactions between ecosystem engineering and plant quality together determine community structure of arthropods on Q. alba in Missouri.
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Affiliation(s)
- Jason R Reinhardt
- Department of Biology and the Whitney R. Harris World Ecology Center, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, MO, 63121, USA.
- USDA Forest Service, Rocky Mountain Research Station, Forest and Woodland Ecosystems, 1221 South Main Street, Moscow, ID, 83843, USA.
| | - Robert J Marquis
- Department of Biology and the Whitney R. Harris World Ecology Center, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, MO, 63121, USA
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6
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Kundu P, Grover S, Perez A, Raya Vaca JD, Kariyat R, Louis J. Sorghum defense responses to sequential attack by insect herbivores of different feeding guilds. PLANTA 2023; 258:35. [PMID: 37389680 DOI: 10.1007/s00425-023-04195-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/25/2023] [Indexed: 07/01/2023]
Abstract
MAIN CONCLUSION Insect herbivores of different feeding guilds induced sorghum defenses through differential mechanisms, regardless of the order of herbivore arrival on sorghum plants. Sorghum, one of the world's most important cereal crops, suffers severe yield losses due to attack by insects of different feeding guilds. In most instances, the emergence of these pests are not secluded incidents and are followed by another or can also co-infest host plants. Sugarcane aphid (SCA) and fall armyworm (FAW) are the two most important destructive pests of sorghum, which belongs to sap-sucking and chewing feeding guilds, respectively. While the order of the herbivore arriving on the plants has been found to alter the defense response to subsequent herbivores, this is seldom studied with herbivores from different feeding guilds. In this study, we investigated the effects of sequential herbivory of FAW and SCA on sorghum defense responses and their underlying mechanism(s). Sequential feeding on the sorghum RTx430 genotype by either FAW primed-SCA or SCA primed-FAW were monitored to unravel the mechanisms underlying defense priming, and its mode of action. Regardless of the order of herbivore arrival on sorghum RTx430 plants, significant defense induction was observed in the primed state compared to the non-primed condition, irrespective of their feeding guild. Additionally, gene expression and secondary metabolite analysis revealed differential modulation of the phenylpropanoid pathway upon insect attack by different feeding guilds. Our findings suggest that priming in sorghum plants upon sequential herbivory induces defense by the accumulation of the total flavonoids and lignin/salicylic acid in FAW primed-SCA and SCA primed-FAW interaction, respectively.
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Affiliation(s)
- Pritha Kundu
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE, 68583, USA
| | - Sajjan Grover
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE, 68583, USA
| | - Adryenna Perez
- Department of Biology, University of Texas Rio Grande Valley, Edinburg, TX, 78539, USA
| | - Juan D Raya Vaca
- Department of Biology, University of Texas Rio Grande Valley, Edinburg, TX, 78539, USA
| | - Rupesh Kariyat
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR, 72701, USA
| | - Joe Louis
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE, 68583, USA.
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, 68583, USA.
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7
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Blaschek L, Murozuka E, Serk H, Ménard D, Pesquet E. Different combinations of laccase paralogs nonredundantly control the amount and composition of lignin in specific cell types and cell wall layers in Arabidopsis. THE PLANT CELL 2023; 35:889-909. [PMID: 36449969 DOI: 10.1101/2022.05.04.490011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 11/23/2022] [Indexed: 05/26/2023]
Abstract
Vascular plants reinforce the cell walls of the different xylem cell types with lignin phenolic polymers. Distinct lignin chemistries differ between each cell wall layer and each cell type to support their specific functions. Yet the mechanisms controlling the tight spatial localization of specific lignin chemistries remain unclear. Current hypotheses focus on control by monomer biosynthesis and/or export, while cell wall polymerization is viewed as random and nonlimiting. Here, we show that combinations of multiple individual laccases (LACs) are nonredundantly and specifically required to set the lignin chemistry in different cell types and their distinct cell wall layers. We dissected the roles of Arabidopsis thaliana LAC4, 5, 10, 12, and 17 by generating quadruple and quintuple loss-of-function mutants. Loss of these LACs in different combinations led to specific changes in lignin chemistry affecting both residue ring structures and/or aliphatic tails in specific cell types and cell wall layers. Moreover, we showed that LAC-mediated lignification has distinct functions in specific cell types, waterproofing fibers, and strengthening vessels. Altogether, we propose that the spatial control of lignin chemistry depends on different combinations of LACs with nonredundant activities immobilized in specific cell types and cell wall layers.
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Affiliation(s)
- Leonard Blaschek
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
| | - Emiko Murozuka
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
| | - Henrik Serk
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
| | - Delphine Ménard
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
| | - Edouard Pesquet
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
- Bolin Centre for Climate Research, Stockholm University, 106 91 Stockholm, Sweden
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8
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Blaschek L, Murozuka E, Serk H, Ménard D, Pesquet E. Different combinations of laccase paralogs nonredundantly control the amount and composition of lignin in specific cell types and cell wall layers in Arabidopsis. THE PLANT CELL 2023; 35:889-909. [PMID: 36449969 PMCID: PMC9940878 DOI: 10.1093/plcell/koac344] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 10/21/2022] [Accepted: 11/23/2022] [Indexed: 05/12/2023]
Abstract
Vascular plants reinforce the cell walls of the different xylem cell types with lignin phenolic polymers. Distinct lignin chemistries differ between each cell wall layer and each cell type to support their specific functions. Yet the mechanisms controlling the tight spatial localization of specific lignin chemistries remain unclear. Current hypotheses focus on control by monomer biosynthesis and/or export, while cell wall polymerization is viewed as random and nonlimiting. Here, we show that combinations of multiple individual laccases (LACs) are nonredundantly and specifically required to set the lignin chemistry in different cell types and their distinct cell wall layers. We dissected the roles of Arabidopsis thaliana LAC4, 5, 10, 12, and 17 by generating quadruple and quintuple loss-of-function mutants. Loss of these LACs in different combinations led to specific changes in lignin chemistry affecting both residue ring structures and/or aliphatic tails in specific cell types and cell wall layers. Moreover, we showed that LAC-mediated lignification has distinct functions in specific cell types, waterproofing fibers, and strengthening vessels. Altogether, we propose that the spatial control of lignin chemistry depends on different combinations of LACs with nonredundant activities immobilized in specific cell types and cell wall layers.
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Affiliation(s)
- Leonard Blaschek
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
| | - Emiko Murozuka
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
| | - Henrik Serk
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
| | - Delphine Ménard
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
| | - Edouard Pesquet
- Arrhenius Laboratories, Department of Ecology, Environment and Plant Sciences (DEEP), Stockholm University, 106 91 Stockholm, Sweden
- Umeå Plant Science Centre (UPSC), Department of Plant Physiology, Umeå University, 901 87 Umeå, Sweden
- Bolin Centre for Climate Research, Stockholm University, 106 91 Stockholm, Sweden
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9
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Zhang FB, Ji SX, Yang JG, Wang XW, Han WH. Genome-wide analysis of MYB family in Nicotiana benthamiana and the functional role of the key members in resistance to Bemisia tabaci. Int J Biol Macromol 2023; 235:123759. [PMID: 36812971 DOI: 10.1016/j.ijbiomac.2023.123759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 02/06/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023]
Abstract
MYB transcription factors (TFs) play a key role in plant resistance to abiotic and biotical stresses. However, little is currently known about their involvement in the plant defense to piercing-sucking insects. Here, we studied the MYB TFs that responded to and resisted Bemisia tabaci whitefly in the model plant Nicotiana benthamiana. Firstly, a total of 453 NbMYB TFs in N. benthamiana genome were identified and 182 R2R3-MYB TFs were analyzed for molecular characteristics, phylogenetic analysis, genetic structure, motif composition, and cis-elements. Then, six stress-related NbMYB genes were selected for further study. The expression pattern shows they were highly expressed in mature leaves and intensively induced upon whitefly attack. Combined with bioinformatic analysis, overexpression, β-Glucuronidase (GUS) assay, and virus-induced silencing tests, we determined the transcriptional regulation of these NbMYBs on the genes in lignin biosynthesis and SA-signaling pathways. Meanwhile, we tested the performance of whitefly on plants with increased or silenced NbMYB genes expression and found that NbMYB42, NbMYB107, NbMYB163, and NbMYB423 were resistant to whitefly. Our results contribute to a comprehensive understanding of the MYB TFs in N. benthamiana. Furthermore, our findings will facilitate further studies on the role of MYB TFs in the interaction between plants and piercing-sucking insects.
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Affiliation(s)
- Feng-Bin Zhang
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shun-Xia Ji
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jin-Guang Yang
- Key Laboratory of Tobacco Pest Monitoring, Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Xiao-Wei Wang
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wen-Hao Han
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China.
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10
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Ninkuu V, Yan J, Fu Z, Yang T, Ziemah J, Ullrich MS, Kuhnert N, Zeng H. Lignin and Its Pathway-Associated Phytoalexins Modulate Plant Defense against Fungi. J Fungi (Basel) 2022; 9:jof9010052. [PMID: 36675873 PMCID: PMC9865837 DOI: 10.3390/jof9010052] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022] Open
Abstract
Fungi infections cause approximately 60-70% yield loss through diseases such as rice blast, powdery mildew, Fusarium rot, downy mildew, etc. Plants naturally respond to these infections by eliciting an array of protective metabolites to confer physical or chemical protection. Among plant metabolites, lignin, a phenolic compound, thickens the middle lamella and the secondary cell walls of plants to curtail fungi infection. The biosynthesis of monolignols (lignin monomers) is regulated by genes whose transcript abundance significantly improves plant defense against fungi. The catalytic activities of lignin biosynthetic enzymes also contribute to the accumulation of other defense compounds. Recent advances focus on modifying the lignin pathway to enhance plant growth and defense against pathogens. This review presents an overview of monolignol regulatory genes and their contributions to fungi immunity, as reported over the last five years. This review expands the frontiers in lignin pathway engineering to enhance plant defense.
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Affiliation(s)
- Vincent Ninkuu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Jianpei Yan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Zenchao Fu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Tengfeng Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - James Ziemah
- Department of Life Sciences and Chemistry, Jacobs University, College Ring 1, 28759 Bremen, Germany
| | - Matthias S. Ullrich
- Department of Life Sciences and Chemistry, Jacobs University, College Ring 1, 28759 Bremen, Germany
| | - Nikolai Kuhnert
- Department of Life Sciences and Chemistry, Jacobs University, College Ring 1, 28759 Bremen, Germany
| | - Hongmei Zeng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
- Correspondence:
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11
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Lee G, Choi H, Joo Y, Kim S. Flavone‐associated resistance of two
Lemna
species to duckweed weevil attack. Ecol Evol 2022; 12:e9459. [DOI: 10.1002/ece3.9459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 09/29/2022] [Accepted: 10/10/2022] [Indexed: 11/21/2022] Open
Affiliation(s)
- Gisuk Lee
- Department of Biological Sciences Korea Advanced Institute for Science and Technology Daejeon Korea
| | - Hanyoung Choi
- Department of Biological Sciences and Biotechnology Chungbuk National University Cheongju Korea
| | - Youngsung Joo
- Department of Biological Sciences and Biotechnology Chungbuk National University Cheongju Korea
| | - Sang‐Gyu Kim
- Department of Biological Sciences Korea Advanced Institute for Science and Technology Daejeon Korea
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Yi SY, Lee M, Park SK, Lu L, Lee G, Kim SG, Kang SY, Lim YP. Jasmonate regulates plant resistance to Pectobacterium brasiliense by inducing indole glucosinolate biosynthesis. FRONTIERS IN PLANT SCIENCE 2022; 13:964092. [PMID: 36247644 PMCID: PMC9559233 DOI: 10.3389/fpls.2022.964092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/08/2022] [Indexed: 05/31/2023]
Abstract
Pectobacterium brasiliense (P. brasiliense) is a necrotrophic bacterium that causes the soft rot disease in Brassica rapa. However, the mechanisms underlying plant immune responses against necrotrophic bacterial pathogens with a broad host range are still not well understood. Using a flg22-triggered seedling growth inhibition (SGI) assay with 455 Brassica rapa inbred lines, we selected six B. rapa flagellin-insensitive lines (Brfin2-7) and three B. rapa flagellin-sensitive lines (Brfs1-3). Brfin lines showed compromised flg22-induced immune responses (oxidative burst, mitogen-activated protein kinase (MAPK) activation, and seedling growth inhibition) compared to the control line R-o-18; nevertheless, they were resistant to P. brasiliense. To explain this, we analyzed the phytohormone content and found that most Brfin lines had higher P. brasiliense-induced jasmonic acid (JA) than Brfs lines. Moreover, MeJA pretreatment enhanced the resistance of B. rapa to P. brasiliense. To explain the correlation between the resistance of Brfin lines to P. brasiliense and activated JA signaling, we analyzed pathogen-induced glucosinolate (GS) content in B. rapa. Notably, in Brfin7, the neoglucobrassicin (NGBS) content among indole glucosinolates (IGS) was significantly higher than that in Brfs2 following P. brasiliense inoculation, and genes involved in IGSs biosynthesis were also highly expressed. Furthermore, almost all Brfin lines with high JA levels and resistance to P. brasiliense had higher P. brasiliense-induced NGBS levels than Brfs lines. Thus, our results show that activated JA-mediated signaling attenuates flg22-triggered immunity but enhances resistance to P. brasiliense by inducing indole glucosinolate biosynthesis in Brassica rapa. This study provides novel insights into the role of JA-mediated defense against necrotrophic bacterial pathogens within a broad host range.
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Affiliation(s)
- So Young Yi
- Institute of Agricultural Science, Chungnam National University, Daejeon, South Korea
- Research Center of Crop Breeding for Omics and Artificial Intelligence, Kongju National University, Yesan, South Korea
| | - Myungjin Lee
- Institute of Agricultural Science, Chungnam National University, Daejeon, South Korea
| | - Sun Kyu Park
- Molecular Genetics and Genomics Laboratory, Department of Horticulture, Chungnam National University, Daejeon, South Korea
| | - Lu Lu
- Molecular Genetics and Genomics Laboratory, Department of Horticulture, Chungnam National University, Daejeon, South Korea
| | - Gisuk Lee
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Sang-Gyu Kim
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Si-Yong Kang
- Department of Horticulture, College of Industrial Sciences, Kongju National University, Yesan, South Korea
- Research Center of Crop Breeding for Omics and Artificial Intelligence, Kongju National University, Yesan, South Korea
| | - Yong Pyo Lim
- Molecular Genetics and Genomics Laboratory, Department of Horticulture, Chungnam National University, Daejeon, South Korea
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13
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Park HJ, Nam BE, Lee G, Kim SG, Joo Y, Kim JG. Ontogeny-dependent effects of elevated CO 2 and watering frequency on interaction between Aristolochia contorta and its herbivores. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156065. [PMID: 35597357 DOI: 10.1016/j.scitotenv.2022.156065] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/15/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Effects of environmental change on plants can differ due to sequential changes in their life-history strategies (i.e., ontogenetic variations). The fitness of herbivorous insects by physiological changes of the host plant could be affected depending on their diet breadth. However, little is known regarding the combinational effects of plant ontogeny and climate change on plant-herbivore interactions. This study examined the plant ontogeny-dependent effects of climate change on the interaction between a host plant (Aristolochia contorta), its specialist herbivore (Sericinus montela), and a generalist herbivore (Spodoptera exigua). Plants were grown under a factorial design of two distinct CO2 concentrations (ambient, 400 ppm; elevated, 560 ppm) and two watering frequencies (control, once a week; increased, twice a week). Plant ontogeny ameliorated the effects of climate change by altering its defensive traits, where nutrient-related factors were cumulatively affected by climate change. Herbivore performance was assessed at three different plant ontogenetic stages (1st-year juvenile, 1st-year senescence, and 2nd-year juvenile). Elevated CO2 levels reduced the growth and survival of the specialist herbivore, whereas increased watering frequency partially alleviated this reduced performance. Generalist herbivore performance slightly increased under elevated CO2 levels with progressing ontogenetic stages. The effects of climate change, both elevated CO2 and increased watering frequency were weaker in 2nd-year juveniles than in 1st-year juveniles. Elevated CO2 levels detrimentally affected the nutritional quality of A. contorta leaves. The effects of climate change on both specialist and generalist herbivore performance differed as plant ontogenetic stage proceeded. Increased growth rates and survival of the generalist herbivore at the latter ontogenetic stage might negatively affect the population dynamics of a specialist herbivore. This study suggests that biases are possible when the plant-herbivore interaction under a changing environment is predicted from a singular plant ontogenetic stage.
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Affiliation(s)
- Hyun Jun Park
- Department of Biology Education, Seoul National University, Seoul 08826, Republic of Korea
| | - Bo Eun Nam
- Department of Biology Education, Seoul National University, Seoul 08826, Republic of Korea; Department of Biology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Gisuk Lee
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Sang-Gyu Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Youngsung Joo
- Department of Biology, Chungbuk National University, Cheongju 28644, Republic of Korea; Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea.
| | - Jae Geun Kim
- Department of Biology Education, Seoul National University, Seoul 08826, Republic of Korea; Center for Education Research, Seoul National University, Seoul 08826, Republic of Korea.
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14
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Lee J, Chen H, Lee G, Emonet A, Kim S, Shim D, Lee Y. MSD2-mediated ROS metabolism fine-tunes the timing of floral organ abscission in Arabidopsis. THE NEW PHYTOLOGIST 2022; 235:2466-2480. [PMID: 35689444 PMCID: PMC9543660 DOI: 10.1111/nph.18303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 05/27/2022] [Indexed: 06/14/2023]
Abstract
The timely removal of end-of-purpose flowering organs is as essential for reproduction and plant survival as timely flowering. Despite much progress in understanding the molecular mechanisms of floral organ abscission, little is known about how various environmental factors are integrated into developmental programmes that determine the timing of abscission. Here, we investigated whether reactive oxygen species (ROS), mediators of various stress-related signalling pathways, are involved in determining the timing of abscission and, if so, how they are integrated with the developmental pathway in Arabidopsis thaliana. MSD2, encoding a secretory manganese superoxide dismutase, was preferentially expressed in the abscission zone of flowers, and floral organ abscission was accelerated by the accumulation of ROS in msd2 mutants. The expression of the genes encoding the receptor-like kinase HAESA (HAE) and its cognate peptide ligand INFLORESCENCE DEFICIENT IN ABSCISSION (IDA), the key signalling components of abscission, was accelerated in msd2 mutants, suggesting that MSD2 acts upstream of IDA-HAE. Further transcriptome and pharmacological analyses revealed that abscisic acid and nitric oxide facilitate abscission by regulating the expression of IDA and HAE during MSD2-mediated signalling. These results suggest that MSD2-dependent ROS metabolism is an important regulatory point integrating environmental stimuli into the developmental programme leading to abscission.
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Affiliation(s)
- Jinsu Lee
- Research Institute of Basic SciencesSeoul National UniversitySeoul08826Korea
- Research Centre for Plant PlasticitySeoul National UniversitySeoul08826Korea
| | - Huize Chen
- Research Institute of Basic SciencesSeoul National UniversitySeoul08826Korea
- Higher Education Key Laboratory of Plant Molecular and Environmental Stress Response in Shanxi ProvinceShanxi Normal UniversityTaiyuan030000ShanxiChina
| | - Gisuk Lee
- Department of Biological SciencesKorea Advanced Institute for Science and TechnologyDaejeon34141Korea
| | - Aurélia Emonet
- Department of Plant Molecular BiologyUniversity of Lausanne1015LausanneSwitzerland
| | - Sang‐Gyu Kim
- Department of Biological SciencesKorea Advanced Institute for Science and TechnologyDaejeon34141Korea
| | - Donghwan Shim
- Department of Biological SciencesChungnam National UniversityDaejeon34134Korea
| | - Yuree Lee
- Research Centre for Plant PlasticitySeoul National UniversitySeoul08826Korea
- School of Biological SciencesSeoul National UniversitySeoul08826Korea
- Plant Genomics and Breeding InstituteSeoul National UniversitySeoul08826Korea
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15
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Kashyap A, Jiménez-Jiménez ÁL, Zhang W, Capellades M, Srinivasan S, Laromaine A, Serra O, Figueras M, Rencoret J, Gutiérrez A, Valls M, Coll NS. Induced ligno-suberin vascular coating and tyramine-derived hydroxycinnamic acid amides restrict Ralstonia solanacearum colonization in resistant tomato. THE NEW PHYTOLOGIST 2022; 234:1411-1429. [PMID: 35152435 DOI: 10.1111/nph.17982] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
Tomato varieties resistant to the bacterial wilt pathogen Ralstonia solanacearum have the ability to restrict bacterial movement in the plant. Inducible vascular cell wall reinforcements seem to play a key role in confining R. solanacearum into the xylem vasculature of resistant tomato. However, the type of compounds involved in such vascular physico-chemical barriers remain understudied, while being a key component of resistance. Here we use a combination of histological and live-imaging techniques, together with spectroscopy and gene expression analysis to understand the nature of R. solanacearum-induced formation of vascular coatings in resistant tomato. We describe that resistant tomato specifically responds to infection by assembling a vascular structural barrier formed by a ligno-suberin coating and tyramine-derived hydroxycinnamic acid amides. Further, we show that overexpressing genes of the ligno-suberin pathway in a commercial susceptible variety of tomato restricts R. solanacearum movement inside the plant and slows disease progression, enhancing resistance to the pathogen. We propose that the induced barrier in resistant plants does not only restrict the movement of the pathogen, but may also prevent cell wall degradation by the pathogen and confer anti-microbial properties, effectively contributing to resistance.
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Affiliation(s)
- Anurag Kashyap
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
| | | | - Weiqi Zhang
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
| | - Montserrat Capellades
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), 08001, Barcelona, Spain
| | - Sumithra Srinivasan
- Institute of Material Science of Barcelona (ICMAB), CSIC, Campus UAB, 08193, Bellaterra, Spain
| | - Anna Laromaine
- Institute of Material Science of Barcelona (ICMAB), CSIC, Campus UAB, 08193, Bellaterra, Spain
| | - Olga Serra
- Laboratori del Suro, Biology Department, University of Girona, Campus Montilivi, 17003, Girona, Spain
| | - Mercè Figueras
- Laboratori del Suro, Biology Department, University of Girona, Campus Montilivi, 17003, Girona, Spain
| | - Jorge Rencoret
- Institute of Natural Resources and Agrobiology of Seville (IRNAS), CSIC, 41012, Seville, Spain
| | - Ana Gutiérrez
- Institute of Natural Resources and Agrobiology of Seville (IRNAS), CSIC, 41012, Seville, Spain
| | - Marc Valls
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
- Department of Genetics, University of Barcelona, 08028, Barcelona, Spain
| | - Nuria S Coll
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), 08001, Barcelona, Spain
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