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Title: ‘Candidatus Liberibacter asiaticus’, causal agent of citrus Huanglongbing, is reduced by treatment with Brassinosteroids

Journal Article · · PLoS ONE
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  1. Center for Genetic Engineering and Biotechnology, Havana (Cuba)
  2. Univ. of Havana, Havana (Cuba)
  3. Inst. of Tropical Fruit Investigations, Havana (Cuba)
  4. Empresa Agroindustrial Victoria de Giron, Matanzas (Cuba)
  5. Iwate Biotechnology Research Center, Kitakami (Japan)
  6. Shinshu Univ., Ueda (Japan)
  7. National Inst. of Agriculture Science, Mayabeque (Cuba)
  8. Michigan State Univ., East Lansing, MI (United States)
  9. Tobacco Research Inst., Havana (Cuba)

Huanglongbing (HLB) constitutes the most destructive disease of citrus worldwide, yet no established efficient management measures exist for it. Brassinosteroids, a family of plant steroidal compounds, are essential for plant growth, development and stress tolerance. As a possible control strategy for HLB, epibrassinolide was applied to as a foliar spray to citrus plants infected with the causal agent of HLB, ‘Candidatus Liberibacter asiaticus’. The bacterial titers were reduced after treatment with epibrassinolide under both greenhouse and field conditions but were stronger in the greenhouse. Known defense genes were induced in leaves by epibrassinolide. With the SuperSAGE technology combined with next generation sequencing, induction of genes known to be associated with defense response to bacteria and hormone transduction pathways were identified. Lastly, the results demonstrate that epibrassinolide may provide a useful tool for the management of HLB.

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-91ER20021
OSTI ID:
1239246
Journal Information:
PLoS ONE, Vol. 11, Issue 1; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 47 works
Citation information provided by
Web of Science

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Cited By (9)

Huanglongbing Control: Perhaps the End of the Beginning journal December 2017
Pleiotropic influences of brassinosteroids on fruit crops: a review journal January 2019
Transcriptional analysis of sweet orange trees co-infected with ‘Candidatus Liberibacter asiaticus’ and mild or severe strains of Citrus tristeza virus journal October 2017
Effect of different combinations of antibiotics on fruit quality and antioxidant defense system in Huanglongbing infected Kinnow orchards journal September 2019
Transcriptome sequencing and ITRAQ reveal the detoxification mechanism of Bacillus GJ1, a potential biocontrol agent for Huanglongbing journal August 2018
Antimicrobial nano-zinc oxide-2S albumin protein formulation significantly inhibits growth of “Candidatus Liberibacter asiaticus” in planta journal October 2018
Identification of the Genes Required for the Culture of Liberibacter crescens, the Closest Cultured Relative of the Liberibacter Plant Pathogens journal April 2016
Molecular mechanisms underlying heat or tetracycline treatments for citrus HLB control journal June 2018
Physiological Responses to the Foliar Application of Synthetic Resistance Elicitors in Cape Gooseberry Seedlings Infected with Fusarium oxysporum f. sp. physali journal February 2020