Genome composition analysis of multipartite BNYVV reveals the occurrence of genetic re-assortment in the isolates of Asia Minor and Thrace.

Scientific Reports
Canan Yüksel ÖzmenAli Ergül

Abstract

Beet necrotic yellow vein virus (BNYVV) is the cause of rhizomania, an important disease of sugar beet around the world. The multipartite genome of the BNYVV contains four or five single-stranded RNA that has been used to characterize the virus. Understanding genome composition of the virus not only determines the degree of pathogenicity but also is required to development of resistant varieties of sugar beet. Resistance to rhizomania has been conferred to sugar beet varieties by conventional breeding methods or modern genome engineering tools. However, over time, viruses undergo genetic alterations and develop new variants to break crop resistance. Here, we report the occurrence of genetic reassortment and emergence of new variants of BNYVV among the isolates of Thrace and Asia Minor (modern-day Turkey). Our findings indicate that the isolates harbor European A-type RNA-2 and RNA-3, nevertheless, RNA-5 is closely related to East Asian J-type. Furthermore, RNA-1 and RNA-4 are either derived from A, B, and P-types or a mixture of them. The RNA-5 factor which enhance the pathogenicity, is rarely found in the isolates studied (20%). The creation of new variants of the virus emphasizes the necessity to develop new generation of res...Continue Reading

References

Nov 20, 2004·Virus Genes·Haleh Hashemi Sohi, Mojdeh Maleki
Jan 25, 2005·Journal of Virological Methods·Claudio RattiChristine M Henry
Sep 28, 2005·The Journal of General Virology·Audrey SchirmerOlivier Lemaire
Oct 14, 2005·Molecular Biology and Evolution·Daniel H Huson, David Bryant
Jan 24, 2009·Molecular Plant Pathology·Graham R D McGrannMark Stevens
Jan 1, 2006·Plant Disease·Charles M RushR Acosta-Leal

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Citations

Dec 29, 2020·EFSA Journal·UNKNOWN EFSA Panel on Plant Health (PLH)Claude Bragard

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Datasets Mentioned

BETA
AJ239200.1

Methods Mentioned

BETA
enzyme-linked immunosorbent assay
transgenic
ELISA
electrophoresis
PCR

Software Mentioned

SIAS
CLC Sequence Viewer

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