Association ofRmd1, a Gene Conditioning Reaction to Maize Dwarf Mosaic Virus, with Genes Conditioning Endosperm Color (y1) and Type (su2) in Maize

Roane, C. W.; Tolin, S. A.; Aycock, H. S.; Donahue, Patrick J.

doi:10.1094/phyto-79-1368

Cited by 5 publications

(1 citation statement)

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“…Studies on maize resistance to MDMV (Maize dwarf mosaic virus) and to SCMV have been conducted mainly in United States (Findley et al 1973; McMullen and Louie 1989; Roane et al 1989; Simcox et al 1995) and in Germany (Xia et al 1999; Yuan et al 2003) with temperate germplasm. MDMV resistance has been frequently reported as controlled by a single gene, while examples of oligogenic virus resistance are scarce in addition of being difficult to distinguish from monogenic resistance affected by genotype‐specific modifiers, genotype‐environment interactions (Fraser 1986, 1987), and different symptom classification systems (McMullen and Louie 1989).…”

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confidence: 99%

Mapping QTL contributing to SCMV resistance in tropical maize

et al. 2008

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Sugarcane mosaic virus (SCMV) has been increasing in importance as a maize disease in Brazil. In this study, we mapped and characterized quantitative trait loci (QTL) associated with resistance to SCMV in a maize population consisting of 150 F 2:3 families from the cross between two tropical maize inbred lines, L520 (resistant) and L19 (susceptible). F 2 individuals were genotyped with microsatellite (SSR) markers, and the derived F 2:3 families were evaluated for their response to artificial inoculation with SCMV under field conditions at Sete Lagoas, MG, Brazil, in 2001 and 2005. Multiple interval mapping was used for QTL detection with a linkage map based on 19 SSR markers. Three QTLs for SCMV resistance were identified with two QTLs (Scm2a and Scm2b) clustered on chromosome 3, bin 3.04, and one QTL (Scm1) on chromosome 6, bin 6.01, explaining 13.34, 41.85 and 7.66% of the phenotypic variation for SCMV resistance, respectively.

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confidence: 99%

Mapping QTL contributing to SCMV resistance in tropical maize

et al. 2008

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Breeding for Resistance to Maize Foliar Pathogens

Pratt

Gordon

2005

Plant Breeding Reviews

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Molecular basis for virus disease resistance in plants

Mansky

Hill

1993

Archives of Virology

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Classical studies of virus disease resistance in plants have provided the basis for recent molecular studies of resistance. Three common approaches to the study of resistance have been used. In one approach, nucleotide and/or amino acid sequences of virus strains that overcome disease resistance genes in the host are compared with sequences of strains that do not induce disease in these hosts. In the second approach, resistance/susceptibility of protoplasts is compared with the response of intact plants from which they are derived, to develop hypotheses regarding whether resistance acts at the level of the individual cell or by inhibiting cell-to-cell movement. In the third approach, the mechanism of virus cell-to-cell movement has been studied to clarify one of the basic steps in pathogenesis and to determine the mechanism of disease resistance for certain virus-host interactions.

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Association ofRmd1, a Gene Conditioning Reaction to Maize Dwarf Mosaic Virus, with Genes Conditioning Endosperm Color (y1) and Type (su2) in Maize

Cited by 5 publications

References 0 publications

Mapping QTL contributing to SCMV resistance in tropical maize

Mapping QTL contributing to SCMV resistance in tropical maize

Breeding for Resistance to Maize Foliar Pathogens

Molecular basis for virus disease resistance in plants

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