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    Comparative transcriptome and expression profiling of resistant and susceptible banana cultivars during infection by Fusarium oxysporum

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    Journal Article (2.334Mb)
    Date
    2021
    Author
    Kaushal, M.
    Mahuku, G.
    Swennen, R.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Fusarium wilt caused by Fusarium oxysporum f. sp. cubense (Foc) is one of the most destructive diseases of banana. Methods to control the disease are still inadequate. The present investigation targeted expression of defense-related genes in tissue cultured banana plantlets of Fusarium resistant and susceptible cultivars after infection with biological control agents (BCAs) and Fusarium (Foc race 1). In total 3034 differentially expressed genes were identified which annotated to 58 transcriptional families (TF). TF families such as MYB, bHLH and NAC TFs were mostly up-regulated in response to pathogen stress, whereas AP2/EREBP were mostly down-regulated. Most genes were associated with plant–pathogen response, plant hormone signal transduction, starch and sucrose metabolism, cysteine and methionine metabolism, flavonoid biosynthesis, selenocompound metabolism, phenylpropanoid biosynthesis, mRNA surveillance pathway, mannose type O-glycan biosynthesis, amino acid and nucleotide sugar metabolism, cyanoamino acid metabolism, and hormone signal transduction. Our results showed that the defense mechanisms of resistant and susceptible banana cultivars treated with BCAs, were regulated by differentially expressed genes in various categories of defense pathways. Furthermore, the association with different resistant levels might serve as a strong foundation for the control of Fusarium wilt of banana.
    https://dx.doi.org/10.3390/ijms22063002
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7112
    IITA Authors ORCID
    George Mahukuhttps://orcid.org/0000-0001-8444-8651
    Rony Swennenhttps://orcid.org/0000-0002-5258-9043
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.3390/ijms22063002
    Research Themes
    Biotech and Plant Breeding; Plant Production and Health
    IITA Subjects
    Agronomy; Banana; Disease Control; Food Security; Genetic Improvement; Plant Breeding; Plant Diseases; Plant Genetic Resources; Plant Health; Plant Production
    Agrovoc Terms
    Fusarium Wilt; Bananas; Genes; Ontology; Annotation; Genomes; Varieties
    Regions
    Africa; East Africa
    Countries
    Tanzania
    Hubs
    Eastern Africa Hub
    Journals
    International Journal of Molecular Sciences
    Collections
    • Journal and Journal Articles4836
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