Abstract
Since 2006, Brazilian cotton (Gossypium hirsutum) crops planted with cultivars that are resistant to cotton blue disease have developed a new disease termed “atypical” cotton blue disease or atypical vein mosaic disease. Here, we describe the complete genomes of two virus isolates associated with this disease. The new virus isolates, called CLRDV-Acr3 and CLRDV-IMA2, were found to have a high degree of nucleotide and amino acid sequence similarity to previously described isolates of cotton leafroll dwarf virus, the causal agent of cotton blue disease. However, their P0 proteins were 86.1 % identical. These results show that this new disease is caused by a new CLRDV genotype that seems to have acquired the ability to overcome cotton blue disease resistance.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Cauquil J (1977) Etudes sur une maladie d’origine virale du cotonnier: la maladie bleue. Cot Fib Trop 32:259–278
Corrêa RL, Silva TF, Simões-Araujo JL et al (2005) Molecular characterization of a virus from the family Luteoviridae associated with cotton blue disease. Arch Virol 150:1357–1367
Galbieri R, Cia E, Fuzatto MG et al (2010) Transmissibility and cotton genotypes response to an atypical form of vein mosaic virus disease. Trop Plant Pathol 35(2):88–95
Silva T da F, Corrêa RL, Castilho Y et al (2009) Confirmação de quebra de resistência à doença azul do algodoeiro nas safras 2006, 2007 e 2008. In: Anais do VII Congresso Brasileiro do Algodão, Brasília, pp 997–1004
Silva T da F (2012) Caracterização de uma espécie viral recombinante associada à Doença azul do algodoeiro e análise do perfil de pequenos RNAs produzidos durante a infecção. Ph.D. Thesis, Universidade Federal do Rio de Janeiro, RJ, Brazil, p 122
de Andrade, Vaslin (2014) SearchSmallRNA: a graphical interface tool for the assemblage of viral genomes using small RNA libraries data. Virol J 11:45
Mangwende T, Wang ML, Borth W et al (2009) The P0 gene of Sugarcane yellow leaf virus encodes an RNA silencing suppressor with unique activities. Virol 384(1):38–50
Fusaro AF, Correa RL, Nakasugi K et al (2012) The Enamovirus P0 protein is a silencing suppressor which inhibits local and systemic RNA silencing through AGO1 degradation. Virol 26(2):178–187
Delfosse VC, Agrofoglio YC, Casse MF et al (2014) The P0 protein encoded by cotton leafroll dwarf virus (CLRDV) inhibits local but not systemic RNA silencing. Virus Res 13(180):70–75
Saitou N, Nei M (1987) The neighbor-joining method: a new method for reconstructing phylogenetic trees. Mol Biol Evol 4(4):406–425
Lin Y-H, Gao S-J, Fu H-Y et al (2014) Genome characterization of sugarcane yellow leaf virus from China reveals a novel recombinant genotype. Arch Virol 159(6):1421–1429
Domier LL (2012) Family—Luteoviridae. In: King AMQ, Adams MJ, Carstens EB, Lefkowitz EJ (eds) Virus taxonomy, 9th report of the ICTV. Elsevier/Academic Press, London, pp 1045–1053
Author information
Authors and Affiliations
Corresponding author
Electronic supplementary material
Below is the link to the electronic supplementary material.
Rights and permissions
About this article
Cite this article
da Silva, A.K.F., Romanel, E., Silva, T.d.F. et al. Complete genome sequences of two new virus isolates associated with cotton blue disease resistance breaking in Brazil. Arch Virol 160, 1371–1374 (2015). https://doi.org/10.1007/s00705-015-2380-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00705-015-2380-8