The fifth residue of the coat protein of turnip mosaic virus is responsible for long-distance movement in a local-lesion host and aphid transmissibility in a systemic host

Wen‐Chi Hu; Jui‐Chi Tsai; Hao‐Wen Cheng; Chung‐Hao Huang; Joseph A. J. Raja; Fang‐Yu Chang; Chin‐Chih Chen; Chu-Hui Chiang; Shyi‐Dong Yeh

doi:10.1094/phyto-08-23-0287-r

March 7, 2024Phytopathology

The fifth residue of the coat protein of turnip mosaic virus is responsible for long-distance movement in a local-lesion host and aphid transmissibility in a systemic host

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Key Points

Coat protein residue five in turnip mosaic virus controls long-distance movement across hosts and determines aphid transmission efficiency, revealing a dual functional role.
Analysis of viral isolates RC4 and YC5 from calla lily alongside infectious clone pYC5 demonstrates restricted systemic movement and impaired cell-to-cell viral spread.
Mutational shifts in HC-Pro and coat protein interactions limit systemic viral transport, highlighting key molecular targets to control potyvirus transmission in crops.

Implication

Experimental study demonstrates that turnip mosaic virus coat protein residue five governs host movement and aphid transmission, highlighting determinants of viral spread.

Abstract

HC-Pro and coat protein (CP) genes of a potyvirus facilitate cell-to-cell movement and are involved in the systemic movement of the viruses. The interaction between HC-Pro and CP is mandatory for aphid transmission. Two turnip mosaic virus (TuMV) isolates, RC4 and YC5, were collected from calla lily plants in Taiwan. The virus derived from the infectious clone pYC5 cannot move systemically in

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Hu et al. (2024) studied this question.

synapsesocial.com/papers/68e75573b6db6435876cda25 https://doi.org/10.1094/phyto-08-23-0287-r

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The fifth residue of the coat protein of turnip mosaic virus is responsible for long-distance movement in a local-lesion host and aphid transmissibility in a systemic host

Key Points

Implication

Abstract

Discussion

Cite This Study

The fifth residue of the coat protein of turnip mosaic virus is responsible for long-distance movement in a local-lesion host and aphid transmissibility in a systemic host

Key Points

Implication

Abstract

Discussion

Cite This Study

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