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Reduction in vertical transmission rate of bean common mosaic virus in bee-pollinated common bean plants

Published version
Peer-reviewed

Repository DOI


Change log

Authors

Mhlanga, Netsai M 
Pate, Adrienne E 
Arinaitwe, Warren 
Carr, John P 
Murphy, Alex M 

Abstract

jats:titleAbstract</jats:title>jats:pVertical transmission, the transfer of pathogens across generations, is a critical mechanism for the persistence of plant viruses. The transmission mechanisms are diverse, involving direct invasion through the suspensor and virus entry into developing gametes before achieving symplastic isolation. Despite the progress in understanding vertical virus transmission, the environmental factors influencing this process remain largely unexplored. We investigated the complex interplay between vertical transmission of plant viruses and pollination dynamics, focusing on common bean (jats:italicPhaseolus vulgaris</jats:italic>). The intricate relationship between plants and pollinators, especially bees, is essential for global ecosystems and crop productivity. We explored the impact of virus infection on seed transmission rates, with a particular emphasis on bean common mosaic virus (BCMV), bean common mosaic necrosis virus (BCMNV), and cucumber mosaic virus (CMV). Under controlled growth conditions, BCMNV exhibited the highest seed transmission rate, followed by BCMV and CMV. Notably, in the field, bee-pollinated BCMV-infected plants showed a reduced transmission rate compared to self-pollinated plants. This highlights the influence of pollinators on virus transmission dynamics. The findings demonstrate the virus-specific nature of seed transmission and underscore the importance of considering environmental factors, such as pollination, in understanding and managing plant virus spread.</jats:p>

Description

Acknowledgements: Not applicable.


Funder: Schlumberger Foundation; doi: http://dx.doi.org/10.13039/100002322


Funder: Magdalene College Cambridge


Funder: The Cambridge Trust


Funder: Cambridge Africa


Funder: Cambridge Department of Plant Sciences Frank Smart Studentship


Funder: Cambridge Philosophical Society; doi: http://dx.doi.org/10.13039/100013858

Keywords

Vertical transmission, Cucumber mosaic virus, Phaseolus vulgaris, Pollen, Bean common mosaic necrosis virus, Bumblebee, Pollination, Bean common mosaic virus

Journal Title

Virology Journal

Conference Name

Journal ISSN

1743-422X

Volume Title

21

Publisher

Springer Science and Business Media LLC
Sponsorship
Biotechnology and Biological Sciences Research Council (BBSRC-SCPRID Grant BB/J011762/1)
Royal Society (ICA\R1\201221)
The Leverhulme Trust (RPG-2022-134)