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In silico analyses of molecular interactions between groundnut bud necrosis virus and its vector, Thrips palmi.


ABSTRACT: Groundnut bud necrosis virus (GBNV) is an economically important tospovirus transmitted by Thrips palmi (Thysanoptera: Thripidae). The current understanding of thrips-tospovirus interactions is largely based on the tomato spotted wilt virus-Frankliniella occidentalis relationship. Only limited information is available for the GBNV-T. palmi system. In the present study, available genome data of T. palmi and GBNV were used to predict the protein partners that may play a crucial role in the internalization of GBNV virions into thrips cells. Computational analyses showed that the GBNV precursor glycoprotein bears a signal peptide of 24 amino acids and a secondary cleavage site at position 434-435 separates the amino-terminal mature glycoprotein (GN) from the carboxyl-terminal glycoprotein (GC). Potential interactions of GBNV glycoproteins were predicted with T. palmi enolase, cathepsin, C-type lectin, clathrin and vacuolar ATP synthase subunit E. The in silico analyses suggested that C-type lectin is the primary cellular receptor to interact with GBNV-GN. After receptor binding, virus particles probably enter vector cells by clathrin-mediated endocytosis. This is the first in silico evidence of GBNV-T. palmi protein interaction.

SUBMITTER: Jagdale SS 

PROVIDER: S-EPMC6531560 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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In silico analyses of molecular interactions between groundnut bud necrosis virus and its vector, <i>Thrips palmi</i>.

Jagdale Shounak S SS   Ghosh Amalendu A  

Virusdisease 20190326 2


Groundnut bud necrosis virus (GBNV) is an economically important tospovirus transmitted by <i>Thrips palmi</i> (Thysanoptera: Thripidae). The current understanding of thrips-tospovirus interactions is largely based on the tomato spotted wilt virus-<i>Frankliniella occidentalis</i> relationship. Only limited information is available for the GBNV-<i>T. palmi</i> system. In the present study, available genome data of <i>T. palmi</i> and GBNV were used to predict the protein partners that may play a  ...[more]

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