Electron Microscopy of Particles Associated with Soil-borne Wheat Mosaic

Brandes, J.; Phillippe, Mary R.; Thornberry, H. H.

doi:10.1111/j.1439-0434.1964.tb02916.x

Cited by 21 publications

(3 citation statements)

References 9 publications

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“…Finally, PCV in India (D. V. R. Reddy, unpublished results), like SBWMV in North America, infects wheat crops. The two viruses differ both in the lengths of their particles, which typically are about 300 and 160 nm for SBWMV (Brandes et al, 1964) compared with about 245 and 190 nm for PCV, and in the relative sizes of their two genome segments. Shirako & Brakke (1984), who recognized the differences between SBWMV and members of well characterized virus groups such as the tobamoviruses, suggested that SBWMV should become the type member of a new group of fungus-transmitted viruses with rod-shaped particles and tentatively named it the furovirus group.…”

Section: Discussionmentioning

confidence: 99%

“…The latter has a Polymyxa fungal vector (Rao & Brakke, 1969), as probably also does PCV (Thouvenel & Fauquet, 1981 a), and isolates of SBWMV typically produce particles of two predominant lengths (Brandes et al, 1964) containing two ssRNA species that are not polyadenylated and that both seem to be needed for systemic infection of wheat (Shirako & Brakke, 1984;Hsu & Brakke, 1985). Moreover, translation in vitro of SBWMV RNA-1 gives a large polypeptide and that of RNA-2 gives the virus particle protein (Hsu & Brakke, 1983).…”

Section: Discussionmentioning

confidence: 99%

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Genome Properties and Relationships of Indian Peanut Clump Virus

Reddy¹,

Robinson²,

Roberts³

et al. 1985

Journal of General Virology

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SUMMARYRNA extracted from the rod-shaped particles of Indian peanut clump virus (IPCV), strain L, consisted predominantly of two single-stranded species with mol. wt., estimated by gel electrophoresis of glyoxal-denatured samples, of 1.83 × 106 (RNA-1) and 1.35 × 106 (RNA-2). Both RNA-1 and RNA-2 were needed for lesion production in leaves of Phaseolus vulgaris cv. Topcrop. Strong nucleotide sequence homologies were detected among three strains of IPCV by nucleic acid hybridization tests. Less strong homologies were found between these Indian isolates and peanut clump virus (PCV) from West Africa. These results, together with similarities in symptomatology, particle size and mode of natural spread, indicate that the Indian isolates are best considered to be strains of PCV.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Genome Properties and Relationships of Indian Peanut Clump Virus

Reddy¹,

Robinson²,

Roberts³

et al. 1985

Journal of General Virology

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“…Watermelon mosaic viruses, which are members of the potyvirus group (Brandes, 1964;Harrison et al , 1971), cause economically important diseases of cucurbits throughout the world (van Regenmortel, 1971) .…”

Section: Introductionmentioning

confidence: 99%

Purification, partial characterization, and serology of the capsid and cylindrical inclusion proteins of four isolates of watermelon mosaic virus / by Robert H. Baum.

Baum¹

1980

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WMV-1 and WMV-2 Defined Antisera specific for the cylindrical inclusions of WMV-M, WMV-1, and WMV-2 in SDS immunodiffusion cests with sap and purified inclusions were obtained. Antisera to WMV-2 inclusions reacted heterologously with BCMV, dasheen mosaic virus (DMV) , soybean mosaic virus (SoyMV) and lettuce mosaic virus (LMV). WMV-M inclusion antiserum reacted heterologously with WMV-1, WMV-2, DMV, and PRSV and with some isolates of LMV. The WMV-1 inclusion antiserum did not react with either WMV-M or WMV-2 inclusions. Analysis of peptide fragments after cleavage of capsid proteins with cyanogen bromide (CNBr) showed distinct patterns for WMV-1, WMV-2, and WMV-M. Staphylococcus aureus V-8 protease digests of the cylindrical inclusions of WMV-1, WMV-2, and WMV-M were analyzed by disc polyacrylamide gel electrophoresis. While there were some similarities between patterns, significant differences existed. This study provides additional evidence that WMV-1 and WMV-2 are distinct viruses on the basis of inclusion serology and analysis of the peptides formed by partial cleavage of capsid and cylindrical inclusion proteins. Evidence is also provided that WMV-M is a distinct virus.

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Fungus-Transmitted and Similar Labile Rod-Shaped Viruses

Brunt¹,

Shikata

1986

The Plant Viruses

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Electron Microscopy of Particles Associated with Soil-borne Wheat Mosaic

Cited by 21 publications

References 9 publications

Genome Properties and Relationships of Indian Peanut Clump Virus

Genome Properties and Relationships of Indian Peanut Clump Virus

Purification, partial characterization, and serology of the capsid and cylindrical inclusion proteins of four isolates of watermelon mosaic virus / by Robert H. Baum.

Fungus-Transmitted and Similar Labile Rod-Shaped Viruses

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