A New Strain of Bean Common Mosaic Virus From Lima Bean (Phaseolus lunatus) : Biological and Molecular Characterization

Lima bean (Phaseolus lunatus) is a popular cultivated legume vegetable grown in the United States for dry bean or canned bean production. In 2017, two symptomatic P. lunatus plants exhibiting mosaic, vein banding, and growth retardation were collected in a public garden in Honolulu, HI. Both samples...

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Veröffentlicht in:Plant disease. - 1997. - 103(2019), 6 vom: 01. Juni, Seite 1220-1227
1. Verfasser: Feng, Xue (VerfasserIn)
Weitere Verfasser: Orellana, Gardenia E, Green, James C, Melzer, Michael J, Hu, John S, Karasev, Alexander V
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a Lima bean (Phaseolus lunatus) is a popular cultivated legume vegetable grown in the United States for dry bean or canned bean production. In 2017, two symptomatic P. lunatus plants exhibiting mosaic, vein banding, and growth retardation were collected in a public garden in Honolulu, HI. Both samples contained bean common mosaic virus (BCMV), and the two BCMV isolates were subjected to biological characterization on a panel of 11 differential cultivars of common bean (P. vulgaris), and to molecular characterization through whole genome sequencing. Both samples contained nearly identical BCMV sequences, named BCMV-A1, which, in turn, were 93% identical to the peanut stripe virus strain of BCMV. BCMV-A1 induced an unusually severe systemic necrosis in cultivar 'Dubbele Witte', and pronounced necrotic or chlorotic reaction in inoculated leaves of five other bean differentials. BCMV-A1 was able to partially overcome resistance alleles bc-1 and bc-2 expressed singly in common bean, inducing no systemic symptoms. Phylogenetic analysis of the BCMV-A1 sequence, and distinct biological reactions in common bean differentials suggested that BCMV-A1 represented a new lima bean strain of BCMV. In 2017, two BCMV isolates were collected in Idaho from common bean, and based on partial genome sequences were found 99% identical to the BCMV-A1 sequence. The data suggest that the lima bean strain of BCMV may have a wider circulation, including common bean as a host. This new strain of BCMV may thus pose a significant threat to common bean production 
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700 1 |a Orellana, Gardenia E  |e verfasserin  |4 aut 
700 1 |a Green, James C  |e verfasserin  |4 aut 
700 1 |a Melzer, Michael J  |e verfasserin  |4 aut 
700 1 |a Hu, John S  |e verfasserin  |4 aut 
700 1 |a Karasev, Alexander V  |e verfasserin  |4 aut 
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