A tool for monitoring trichoderma and fusarium oxysporum f.Sp. Elaeidis oil palm interactions, using constitutive and inducible green fluorescent protein (GFP) and red fluorescent protein (DsRED) reporter system

M. H. Rusli, A. S. Idris, R. M. Cooper

Research output: Contribution to journalArticle

Abstract

Vascular wilt disease of oil palm is cause by Fusarium oxysporum f.sp elaeidis. The pathogen normally invades intact roots of palms or wounds and colonises the xylem vessels where it causes water stress, and hormonal imbalance result in severe yield loss and possible palm death. This study attempted to visualise the stages of colonisation and penetration into roots by Fusarium oxysporum f.sp elaeidis expressing Red Flourescent Protein (DsRed) in susceptible oil palm line and it's interactions with Trichoderma TPP4 expressing Green Fluorescent Protein (GFP). Trichoderma TPP4 and Fusarium oxysporum f.sp elaeidis were successfully transformed using Agrobacterium tumefaciens-mediated transformation with both GFP and DsRed respectively using vectors pCAMDsRed and pCAMBgfp whereby this is the first report that Fusarium oxysporum f.sp. elaeidis has been genetically modified. Analysis showed that early colonisation of Foe hyphae on the surface of secondary roots while colonisation by Trichoderma was observed at early stages after inoculation and became denser with time. Trichoderma TPP4 also was seen coiling around the Foe when inoculated together showing potential mycoparasitisic action.

Original languageEnglish
Pages (from-to)321-330
Number of pages10
JournalJournal of Oil Palm Research
Volume31
Issue number2
DOIs
Publication statusPublished - 30 Jun 2019

Keywords

  • Fusarium oxysporum f.sp. elaeidis (Foe)
  • Green Fluorescent Protein (GFP)
  • Red Fluorescent Protein (RFP)
  • Trichoderma

ASJC Scopus subject areas

  • Food Science
  • Biomaterials
  • Renewable Energy, Sustainability and the Environment
  • Agronomy and Crop Science

Cite this

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title = "A tool for monitoring trichoderma and fusarium oxysporum f.Sp. Elaeidis oil palm interactions, using constitutive and inducible green fluorescent protein (GFP) and red fluorescent protein (DsRED) reporter system",
abstract = "Vascular wilt disease of oil palm is cause by Fusarium oxysporum f.sp elaeidis. The pathogen normally invades intact roots of palms or wounds and colonises the xylem vessels where it causes water stress, and hormonal imbalance result in severe yield loss and possible palm death. This study attempted to visualise the stages of colonisation and penetration into roots by Fusarium oxysporum f.sp elaeidis expressing Red Flourescent Protein (DsRed) in susceptible oil palm line and it's interactions with Trichoderma TPP4 expressing Green Fluorescent Protein (GFP). Trichoderma TPP4 and Fusarium oxysporum f.sp elaeidis were successfully transformed using Agrobacterium tumefaciens-mediated transformation with both GFP and DsRed respectively using vectors pCAMDsRed and pCAMBgfp whereby this is the first report that Fusarium oxysporum f.sp. elaeidis has been genetically modified. Analysis showed that early colonisation of Foe hyphae on the surface of secondary roots while colonisation by Trichoderma was observed at early stages after inoculation and became denser with time. Trichoderma TPP4 also was seen coiling around the Foe when inoculated together showing potential mycoparasitisic action.",
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AB - Vascular wilt disease of oil palm is cause by Fusarium oxysporum f.sp elaeidis. The pathogen normally invades intact roots of palms or wounds and colonises the xylem vessels where it causes water stress, and hormonal imbalance result in severe yield loss and possible palm death. This study attempted to visualise the stages of colonisation and penetration into roots by Fusarium oxysporum f.sp elaeidis expressing Red Flourescent Protein (DsRed) in susceptible oil palm line and it's interactions with Trichoderma TPP4 expressing Green Fluorescent Protein (GFP). Trichoderma TPP4 and Fusarium oxysporum f.sp elaeidis were successfully transformed using Agrobacterium tumefaciens-mediated transformation with both GFP and DsRed respectively using vectors pCAMDsRed and pCAMBgfp whereby this is the first report that Fusarium oxysporum f.sp. elaeidis has been genetically modified. Analysis showed that early colonisation of Foe hyphae on the surface of secondary roots while colonisation by Trichoderma was observed at early stages after inoculation and became denser with time. Trichoderma TPP4 also was seen coiling around the Foe when inoculated together showing potential mycoparasitisic action.

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