Cucurbit aphid-borne yellows virus from melon plants in Brazil is an interspecific recombinant

被引：14

作者：

Costa, Thiago Marques ^{[1
]}

Blawid, Rosana ^{[1
]}

Aranda, Miguel A. ^{[2
]}

Sansini Freitas, Debora Maria ^{[3
]}

Andrade, Genira Pereira ^{[4
]}

Inoue-Nagata, Alice Kazuko ^{[5
]}

Nagata, Tatsuya ^{[1
]}

机构：

[1] Univ Brasilia, Dept Biol Celular, Campus Darcy Ribeiro, BR-70910900 Brasilia, DF, Brazil

[2] CSIC, CEBAS, Murcia 30100, Spain

[3] Embrapa Semiarido, BR-56302970 Petrolina, PE, Brazil

[4] Univ Fed Rural Pernambuco, Dept Agron, BR-52171900 Recife, PE, Brazil

[5] Embrapa Hortalicas, BR-70275970 Brasilia, DF, Brazil

来源：

ARCHIVES OF VIROLOGY | 2019年 / 164卷 / 01期

关键词：

COMPLETE GENOME SEQUENCE; DISEASE; MODELS; CROPS;

D O I：

10.1007/s00705-018-4024-2

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Melon plants with severe yellowing symptoms from in Brazil were analyzed by high-throughput sequencing. Sequences homologous to the genome of the polerovirus cucurbit aphid-borne yellows virus (CABYV) were frequently retrieved. Two draft CABYV genomes were assembled from two pooled melon samples that contained an identical putative recombinant fragment in the 3 region with an unknown polerovirus. The complete genomes of these isolates revealed by Sanger sequencing share 96.8% nucleotide identity, while both sequences share 73.7% nucleotide identity with a CABYV-N isolate from France. A molecular-clock analysis suggested that CABYV was introduced into Brazil similar to 68years ago.

引用

页码：249 / 254

页数：6

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