Complete genome sequence of a novel monopartite begomovirus infecting sweet potato in China

Complete genome sequence of a novel monopartite begomovirus infecting sweet potato in China The complete genome sequence of a novel monopartite begomovirus, isolate G-YU-12-10, was obtained from sweet potato samples exhibiting severe leaf curl symptoms in Xinxiang, Henan Province, China. The genome sequence consisted of 2766 nucleotides and encoded two open reading frames (ORFs) (AV1 and AV2) in the viral-sense strand and four ORFs (AC1-AC4) in the complementary-sense strand. The genome of isolate G-YU-12-10 was closely related to other sweet-potato-infecting begomoviruses (sweepoviruses) and shared the highest nucleotide sequence identity (89.0 %) with sweet potato leaf curl China Sichuan virus (SPLCCSV, KC488316). Thus, the G-YU-12-10 isolate represents a novel species according to the demarcation criteria of species in the genus Begomovirus , for which the name Sweet potato leaf curl Henan virus (SPLCHnV) is proposed. Interspecific recombination analysis supported the recombination hypothesis, indicating that recombination with other begomoviruses had taken place within AC2 and AC3 ORFs of SPLCHnV and also in the non-coding intergenic region (IR). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Complete genome sequence of a novel monopartite begomovirus infecting sweet potato in China

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Publisher
Springer Vienna
Copyright
Copyright © 2014 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-013-1958-2
Publisher site
See Article on Publisher Site

Abstract

The complete genome sequence of a novel monopartite begomovirus, isolate G-YU-12-10, was obtained from sweet potato samples exhibiting severe leaf curl symptoms in Xinxiang, Henan Province, China. The genome sequence consisted of 2766 nucleotides and encoded two open reading frames (ORFs) (AV1 and AV2) in the viral-sense strand and four ORFs (AC1-AC4) in the complementary-sense strand. The genome of isolate G-YU-12-10 was closely related to other sweet-potato-infecting begomoviruses (sweepoviruses) and shared the highest nucleotide sequence identity (89.0 %) with sweet potato leaf curl China Sichuan virus (SPLCCSV, KC488316). Thus, the G-YU-12-10 isolate represents a novel species according to the demarcation criteria of species in the genus Begomovirus , for which the name Sweet potato leaf curl Henan virus (SPLCHnV) is proposed. Interspecific recombination analysis supported the recombination hypothesis, indicating that recombination with other begomoviruses had taken place within AC2 and AC3 ORFs of SPLCHnV and also in the non-coding intergenic region (IR).

Journal

Archives of VirologySpringer Journals

Published: Jun 1, 2014

References

  • Molecular characterization of two sweepoviruses from China and evaluation of the infectivity of cloned SPLCV-JS in Nicotiana benthamiana
    Bi, HP; Zhang, P
  • Rolling circle amplification revolutionizes diagnosis and genomics of geminiviruses
    Haible, D; Kober, S; Jeske, H

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