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
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
收藏
页码:249 / 254
页数:6
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