• Contact Us
    • Send Feedback
    • Login
    View Item 
    •   Home
    • Journal and Journal Articles
    • Journal and Journal Articles
    • View Item
    •   Home
    • Journal and Journal Articles
    • Journal and Journal Articles
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    Whole Repository
    CollectionsIssue DateRegionCountryHubAffiliationAuthorsTitlesSubject
    This Sub-collection
    Issue DateRegionCountryHubAffiliationAuthorsTitlesSubject

    My Account

    Login

    Welcome to the International Institute of Tropical Agriculture Research Repository

    What would you like to view today?

    Genome of the African cassava whitefly Bemisia tabaci and distribution and genetic diversity of cassava-colonizing whiteflies in Africa

    Thumbnail
    View/Open
    S19ArtChenGenomeInthomNodev.pdf (2.290Mb)
    Date
    2019
    Author
    Chen, W.
    Wosula, E.N.
    Hasegawa, D.K.
    Casinga, C.
    Shirima, R.R.
    Fiaboe, K.K.M.
    Hanna, R.
    Fosto, A.
    Goergen, Georg E.
    Tamò, M.
    Mahuku, George S.
    Murithi, H.M.
    Tripathi, L.
    Mware, B.
    Kumar, P.L.
    Ntawuruhunga, Pheneas
    Moyo, C.
    Yomeni, M.
    Boahen, S.
    Edet, M.
    Awoyale, W.
    Wintermantel, W.M.
    Ling, K.S.
    Legg, J.P.
    Fei, Z.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    The whitefy Bemisia tabaci, a species complex consisting of many morphologically indistinguishable species divided into distinct clades, is one of the most globally important agricultural pests and plant virus vectors. Cassava-colonizing B. tabaci transmits viruses that cause cassava mosaic disease (CMD) and cassava brown streak disease (CBSD). Half of all cassava plants in Africa are affected by these viral diseases, resulting in annual production losses of more than US$ 1 billion. Here we report the draft genome of the cassava whitefly B. tabaci Sub-Saharan Africa - East and Central Africa (SSA-ECA), the super-abundant population that has been associated with the rapid spread of viruses causing the pandemics of CMD and CBSD. The SSA-ECA genome assembled from Illumina short reads has a total size of 513.7 Mb and a scaffold N50 length of 497 kb, and contains 15,084 predicted protein-coding genes. Phylogenetic analysis suggests that SSA-ECA diverged from MEAM1 around 5.26 million years ago. A comprehensive genetic analysis of cassava-colonizing B. tabaci in Africa was also conducted, in which a total of 243 whitefly specimens were collected from 18 countries representing all major cassava-growing regions in the continent and genotyped using NextRAD sequencing. Population genomic analyses confirmed the existence of six major populations linked by gene flow and inferred the distribution patterns of these populations across the African continent. The genome of SSA-ECA and the genetic findings provide valuable resources and guidance to facilitate whitefly research and the development of strategies to control cassava viral diseases spread by whiteflies.
    http://dx.doi.org/10.1016/j.ibmb.2019.05.003
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5840
    Non-IITA Authors ORCID
    EVERLYNE WOSULAhttps://orcid.org/0000-0001-5693-0889
    Rachid Hannahttps://orcid.org/0000-0002-5715-0144
    Georg Goergenhttps://orcid.org/0000-0003-4496-0495
    Manuele Tamòhttps://orcid.org/0000-0002-5863-7421
    George Mahukuhttps://orcid.org/0000-0001-8444-8651
    HARUN MURITHIhttps://orcid.org/0000-0003-1113-8729
    Leena Tripathihttps://orcid.org/0000-0001-5723-4981
    P. Lava Kumarhttps://orcid.org/0000-0003-4388-6510
    Pheneas Ntawuruhungahttps://orcid.org/0000-0003-2330-9070
    Yomeni Marie Octaviehttps://orcid.org/0000-0002-3553-6900
    Stephen Boahen Asaberehttps://orcid.org/0000-0001-8946-401X
    Wasiu Awoyalehttps://orcid.org/0000-0002-3635-1414
    James Legghttps://orcid.org/0000-0003-4140-3757
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.1016/j.ibmb.2019.05.003
    Research Themes
    PLANT PRODUCTION & HEALTH
    IITA Subjects
    Cassava; Genetic Improvement; Pests Of Plants; Plant Genetic Resources; Plant Health
    Agrovoc Terms
    Cassava; Genomes; Genotypes; Distribution; Bemisia Tabaci; Genetic Diversity
    Regions
    Africa; East Africa
    Countries
    Tanzania
    Journals
    Insect Biochemistry and Molecular Biology
    Collections
    • Journal and Journal Articles4835
    copyright © 2019  IITASpace. All rights reserved.
    IITA | Open Access Repository