SEQUENCE DIVERSITY IN THE COAT PROTEIN OF SCMV INFECTING MAIZE AND SORGHUM IN BRAZIL

Authors

  • ISABEL REGINA PRAZERES DE SOUZA Embrapa Milho e Sorgo
  • FABIAN GIOLITTI
  • NEWTON PORTILHO CARNEIRO
  • SERGIO LUIS LENARDON
  • ELIZABETH DE OLIVEIRA
  • ELIANE APARECIDA GOMES
  • ROBERTO WILLIANS NODA
  • FRANCISCO ADRIANO DE SOUZA

DOI:

https://doi.org/10.18512/1980-6477/rbms.v11n2p120-136

Abstract

The “maize common mosaic” is among the major virus diseases of this crop in Brazil.  Although there were evidences indicating Sugarcane mosaic virus (SCMV) as the most common potyvirus species in maize in Brazil, information about those species that infect sorghum plants are few.  Leaves showing characteristic mosaic symptoms were collected from maize and sorghum and used in serological and sequencing analysis of the CP for potyvirus species identification. Amino acid (aa) analysis of the CP N-terminal sequence of our samples showed a different repeated sequence, a higher content of the dipeptide GT, and a 15 aa longer than the majority of the SCMV sequences used for comparisons. The Brazilian maize and sorghum potyviruses formed a monophyletic group, suggesting that they can be classified within a new SCMV strain.  Studies using potyvirus CP sequencing from Brazilian sorghum potyvirus have been reported for the first time. 

Author Biography

ISABEL REGINA PRAZERES DE SOUZA, Embrapa Milho e Sorgo

Graduação em Agronomia pela Universidade Federal de Viçosa (UFV), Mestrado em Genética e Melhoramento de Plantas pela UFV, PhD in Plant Science pela Utah State University, Pesquisadora da Embrapa Milho e Sorgo (Departamento de Biologia Aplicada) trabalhando na área de Biologia Molecular - mapeamento de QTL associado à resistência ao Mosaico em Milho;  Identificação de potyvirus causador de mosaico em milho.

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Published

2012-08-23

How to Cite

SOUZA, I. R. P. D., GIOLITTI, F., CARNEIRO, N. P., LENARDON, S. L., OLIVEIRA, E. D., GOMES, E. A., NODA, R. W., & DE SOUZA, F. A. (2012). SEQUENCE DIVERSITY IN THE COAT PROTEIN OF SCMV INFECTING MAIZE AND SORGHUM IN BRAZIL. REVISTA BRASILEIRA DE MILHO E SORGO, 11(2), 120–136. https://doi.org/10.18512/1980-6477/rbms.v11n2p120-136

Issue

Vol. 11 No. 2 (2012)

Section

Scientific Paper

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