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Bojórquez-Orozco AM, Arce-Leal ÁP, Montes RAC, Santos-Cervantes ME, Cruz-Mendívil A, Méndez-Lozano J, Castillo AG, Rodríguez-Negrete EA, Leyva-López NE. Differential Expression of miRNAs Involved in Response to Candidatus Liberibacter asiaticus Infection in Mexican Lime at Early and Late Stages of Huanglongbing Disease. Plants (Basel) 2023; 12:1039. [PMID: 36903899 PMCID: PMC10005081 DOI: 10.3390/plants12051039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 02/13/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Huanglongbing (HLB) is one of the most destructive diseases threatening citriculture worldwide. This disease has been associated with α-proteobacteria species, namely Candidatus Liberibacter. Due to the unculturable nature of the causal agent, it has been difficult to mitigate the disease, and nowadays a cure is not available. MicroRNAs (miRNAs) are key regulators of gene expression, playing an essential role in abiotic and biotic stress in plants including antibacterial responses. However, knowledge derived from non-model systems including Candidatus Liberibacter asiaticus (CLas)-citrus pathosystem remains largely unknown. In this study, small RNA profiles from Mexican lime (Citrus aurantifolia) plants infected with CLas at asymptomatic and symptomatic stages were generated by sRNA-Seq, and miRNAs were obtained with ShortStack software. A total of 46 miRNAs, including 29 known miRNAs and 17 novel miRNAs, were identified in Mexican lime. Among them, six miRNAs were deregulated in the asymptomatic stage, highlighting the up regulation of two new miRNAs. Meanwhile, eight miRNAs were differentially expressed in the symptomatic stage of the disease. The target genes of miRNAs were related to protein modification, transcription factors, and enzyme-coding genes. Our results provide new insights into miRNA-mediated regulation in C. aurantifolia in response to CLas infection. This information will be useful to understand molecular mechanisms behind the defense and pathogenesis of HLB.
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Affiliation(s)
- Ana Marlenne Bojórquez-Orozco
- Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
| | - Ángela Paulina Arce-Leal
- Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
| | - Ricardo A. Chávez Montes
- Institute of Genomics for Crop Abiotic Stress Tolerance, Texas Tech University, Lubbock, TX 79409, USA
| | - María Elena Santos-Cervantes
- Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
| | - Abraham Cruz-Mendívil
- CONACYT—Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
| | - Jesús Méndez-Lozano
- Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
| | - Araceli G. Castillo
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora” (IHSM), Universidad de Málaga-Consejo Superior de Investigaciones Científicas, Área de Genética, Facultad de Ciencias, E-29071 Málaga, Spain
| | - Edgar A. Rodríguez-Negrete
- Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
| | - Norma Elena Leyva-López
- Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Departamento de Biotecnología Agrícola, Guasave 81101, Sinaloa, Mexico
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Rehberg RA, Trivedi P, Bahureksa W, Sharp JL, Stokes SC, Menger RF, Borch T. Quantification of insecticide spatial distribution within individual citrus trees and efficacy through Asian citrus psyllid reductions under different application methods. Pest Manag Sci 2021; 77:1748-1756. [PMID: 33236405 DOI: 10.1002/ps.6195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/17/2020] [Accepted: 11/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Citrus greening disease (Huanglongbing, HLB) has infected >90% of Florida's oranges and thus growers are desperate to improve pest management strategies. In this field study, insecticide application efficacy was investigated with liquid chromatography mass spectrometry to determine if insecticide concentration and distribution were effective at killing the target pest Asian citrus psyllids (ACP). Sample discs attached to leaves were sprayed with imidacloprid and malathion at a field site in Florida. Application method, canopy height and depth, cardinal side of tree, and leaf side were considered to assess the spatial distribution of insecticides throughout citrus trees. Furthermore, ACP were inspected before and after insecticide applications to quantify psyllid population response. RESULTS Our findings show that although insecticide concentrations were high enough to kill ACP, the spatial distribution of insecticides throughout individual trees was highly variable and live ACP were detected after insecticide application. The top side of leaves received significantly more insecticide than the underside of leaves. Additionally, inadequate distribution to different areas of the tree canopy was observed for all application methods tested (aerial, ground speed-sprayer, and ground side-sprayer). Inspections of ACP populations before and after insecticide applications resulted in reductions of 85% (malathion) and 48-80% (imidacloprid). CONCLUSIONS The variability in insecticide spatial distribution due to application method allows remaining ACP to continue spreading citrus greening disease to unprotected trees. Further research is needed to improve insecticide application methods and technology for citrus trees in order to implement effective pest management strategies and fully target ACP to eliminate HLB. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Rachelle A Rehberg
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
| | - Pankaj Trivedi
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, USA
| | - William Bahureksa
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
| | - Julia L Sharp
- Department of Statistics, Colorado State University, Fort Collins, CO, USA
| | - Sean C Stokes
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, USA
| | - Ruth F Menger
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
| | - Thomas Borch
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, USA
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Arce-Leal ÁP, Bautista R, Rodríguez-Negrete EA, Manzanilla-Ramírez MÁ, Velázquez-Monreal JJ, Santos-Cervantes ME, Méndez-Lozano J, Beuzón CR, Bejarano ER, Castillo AG, Claros MG, Leyva-López NE. Gene Expression Profile of Mexican Lime ( Citrus aurantifolia) Trees in Response to Huanglongbing Disease caused by Candidatus Liberibacter asiaticus. Microorganisms 2020; 8:microorganisms8040528. [PMID: 32272632 PMCID: PMC7232340 DOI: 10.3390/microorganisms8040528] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/22/2020] [Accepted: 03/23/2020] [Indexed: 12/27/2022] Open
Abstract
Nowadays, Huanglongbing (HLB) disease, associated with Candidatus Liberibacter asiaticus (CLas), seriously affects citriculture worldwide, and no cure is currently available. Transcriptomic analysis of host-pathogen interaction is the first step to understand the molecular landscape of a disease. Previous works have reported the transcriptome profiling in response to HLB in different susceptible citrus species; however, similar studies in tolerant citrus species, including Mexican lime, are limited. In this work, we have obtained an RNA-seq-based differential expression profile of Mexican lime plants challenged against CLas infection, at both asymptomatic and symptomatic stages. Typical HLB-responsive differentially expressed genes (DEGs) are involved in photosynthesis, secondary metabolism, and phytohormone homeostasis. Enrichment of DEGs associated with biotic response showed that genes related to cell wall, secondary metabolism, transcription factors, signaling, and redox reactions could play a role in the tolerance of Mexican lime against CLas infection. Interestingly, despite some concordance observed between transcriptional responses of different tolerant citrus species, a subset of DEGs appeared to be species-specific. Our data highlights the importance of studying the host response during HLB disease using as model tolerant citrus species, in order to design new and opportune diagnostic and management methods.
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Affiliation(s)
- Ángela Paulina Arce-Leal
- Instituto Politécnico Nacional, CIIDIR-Unidad Sinaloa, 81101 Guasave, Mexico; (Á.P.A.-L.); (M.E.S.-C.); (J.M.-L.)
| | - Rocío Bautista
- Plataforma Andaluza de Bioinformática, Universidad de Málaga, 29590 Malaga, Spain; (R.B.); (M.G.C.)
| | - Edgar Antonio Rodríguez-Negrete
- CONACyT, Departamento de Biotecnología Agrícola, Instituto Politécnico Nacional, CIIDIR-Unidad Sinaloa, 81101 Guasave, Mexico;
| | | | | | - María Elena Santos-Cervantes
- Instituto Politécnico Nacional, CIIDIR-Unidad Sinaloa, 81101 Guasave, Mexico; (Á.P.A.-L.); (M.E.S.-C.); (J.M.-L.)
| | - Jesús Méndez-Lozano
- Instituto Politécnico Nacional, CIIDIR-Unidad Sinaloa, 81101 Guasave, Mexico; (Á.P.A.-L.); (M.E.S.-C.); (J.M.-L.)
| | - Carmen R. Beuzón
- Área de Genética, Facultad de Ciencias, Instituto de Hortofruticultura Subtropical y Mediterránea La Mayora (IHSM-UMA-CSIC), Universidad de Málaga, 29010 Málaga, Spain
| | - Eduardo R. Bejarano
- Área de Genética, Facultad de Ciencias, Instituto de Hortofruticultura Subtropical y Mediterránea La Mayora (IHSM-UMA-CSIC), Universidad de Málaga, 29010 Málaga, Spain
| | - Araceli G. Castillo
- Área de Genética, Facultad de Ciencias, Instituto de Hortofruticultura Subtropical y Mediterránea La Mayora (IHSM-UMA-CSIC), Universidad de Málaga, 29010 Málaga, Spain
| | - M. Gonzalo Claros
- Plataforma Andaluza de Bioinformática, Universidad de Málaga, 29590 Malaga, Spain; (R.B.); (M.G.C.)
- Departamento de Biología Molecular y Bioquímica, Universidad de Málaga, 29010 Malaga, Spain
| | - Norma Elena Leyva-López
- Instituto Politécnico Nacional, CIIDIR-Unidad Sinaloa, 81101 Guasave, Mexico; (Á.P.A.-L.); (M.E.S.-C.); (J.M.-L.)
- Correspondence: ; Tel.: +52-687-110-0278
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