Insect Transmission of Pathogenic Xanthomonads to Bean and Cowpea in Puerto Rico

Kaiser, W. J.; Vakili, Nader G.

doi:10.1094/phyto-68-1057

Cited by 27 publications

(24 citation statements)

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“…Interestingly, the transmission of X. axonopodis pv. phaseoli by insects was reported, but the precise interaction between the bacterium and the insect host remains poorly understood (21). Does this T3SS play a role in the X. axonopodis pv.…”

Section: Vol 74 2008mentioning

confidence: 99%

Assessment of the Genetic Diversity of Xanthomonas axonopodis pv. phaseoli and Xanthomonas fuscans subsp. fuscans as a Basis To Identify Putative Pathogenicity Genes and a Type III Secretion System of the SPI-1 Family by Multiple Suppression Subtractive Hybridizations

Alavi¹,

Sanjari²,

Durand³

et al. 2008

Appl Environ Microbiol

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Fluorescent amplified fragment length polymorphism revealed that strains of Xanthomonas axonopodis pv. phaseoli and Xanthomonas fuscans subsp. fuscans are genetically distinct and can be grouped into four genetic lineages. Four suppression subtractive hybridizations were then performed to isolate DNA fragments present in these bean pathogens and absent from closely related xanthomonads. Virulence gene candidates were identified such as homologs of hemagglutinins, TonB-dependent receptors, zinc-dependent metalloproteases, type III effectors, and type IV secretion system components. Unexpectedly, homologs of the type III secretion apparatus components (SPI-1 family), usually reported in animal pathogens and insect symbionts, were also detected.

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Section: Vol 74 2008mentioning

confidence: 99%

Assessment of the Genetic Diversity of Xanthomonas axonopodis pv. phaseoli and Xanthomonas fuscans subsp. fuscans as a Basis To Identify Putative Pathogenicity Genes and a Type III Secretion System of the SPI-1 Family by Multiple Suppression Subtractive Hybridizations

Alavi¹,

Sanjari²,

Durand³

et al. 2008

Appl Environ Microbiol

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“…Bacterial cells are also readily transmitted mechanically, especially when plants are wet. Some leaf-feeding insects transmit the bacterium from plant to plant (Kaiser and Vakili, 1978).…”

Section: Infectionmentioning

confidence: 99%

“…However CBB agents have been shown to be carried and passively disseminated by some insects, such as Diaprepes abbreviates, Cerotoma ruficornis, whiteflies (Bemisia tabaci), grasshoppers (Melanoplus sp. ), Mexican bean beetles (Epilachna varivestris) and leaf miners (Zaumeyer and Thomas, 1957;Sabet andIshao, 1969, Kaiser andVakili, 1978 Table 3). …”

Section: Vectors and Their Distribution In The Eumentioning

confidence: 99%

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Scientific Opinion on the pest categorisation ofXanthomonas axonopodispv.phaseoliandXanthomonas fuscanssubsp.fuscans

2014

EFSA Journal

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The European Commission requested the EFSA Panel on Plant Health to perform a pest categorisation for Xanthomonas campestris pv. phaseoli. In reaching its conclusions, the Panel considered four parameters to be of critical importance in the risk assessment area: (i) the presence and distribution of X. campestris pv. phaseoli in the risk assessment area and its potential for spread; (ii) the existence and the distribution of the main host plants throughout the European Union (EU); (iii) the potential for damage to crops grown in Europe; and (iv) the implementation of pest control strategies and cultural measures. The organisms formerly identified as X. campestris pv. phaseoli have proven to be genetically diverse and are currently known as Xanthomonas fuscans subsp. fuscans and Xanthomonas axonopodis pv. phaseoli. Based on its analysis, the Panel concluded that the identity of these pathogens is clearly defined and their distribution involves limited areas or regions in the EU, although with a medium uncertainty. The main dispersal pathway for these pathogens is contaminated seeds. In addition, the Panel noted that host plants are widely cropped throughout the EU, common bean Phaseolus vulgaris being of great commercial importance, not only for consumption-fresh, canned, deep frozen and dried-but also for the seed industry. Currently, the impact of common bacterial blight is limited in the EU as a consequence of seed testing. Finally, the Panel concluded that moderate to high consequences, in terms of yield and quality losses, are expected for beans, especially if weather conditions are conducive to disease and seed inoculum no longer contained. © European Food Safety Authority, 2014 KEY WORDSXanthomonas campestris pv. phaseoli, Xanthomonas axonopodis pv. phaseoli, Xanthomonas fuscans subsp. fuscans, common bacterial blight of beans, bacterial leaf pustule and fuscous blight of bean, quarantine pest, regulated non-quarantine pest

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“…There is a paucity also of information about insect-transmission of xanthomonads (Kaiser and Vakili, 1978), although there is a modest literature on this subject as it pertains to other phytopathogenic bacteria (Carter, 1962). such organisms as Pseudomonas paucimobilis.…”

Section: Xanthomonas From Nonpathological Agricultural Habitatsmentioning

confidence: 99%

The Genus Xanthomonas

Starr¹

1981

The Prokaryotes

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Insect Transmission of Pathogenic Xanthomonads to Bean and Cowpea in Puerto Rico

Cited by 27 publications

References 0 publications

Assessment of the Genetic Diversity of Xanthomonas axonopodis pv. phaseoli and Xanthomonas fuscans subsp. fuscans as a Basis To Identify Putative Pathogenicity Genes and a Type III Secretion System of the SPI-1 Family by Multiple Suppression Subtractive Hybridizations

Assessment of the Genetic Diversity of Xanthomonas axonopodis pv. phaseoli and Xanthomonas fuscans subsp. fuscans as a Basis To Identify Putative Pathogenicity Genes and a Type III Secretion System of the SPI-1 Family by Multiple Suppression Subtractive Hybridizations

Scientific Opinion on the pest categorisation ofXanthomonas axonopodispv.phaseoliandXanthomonas fuscanssubsp.fuscans

The Genus Xanthomonas

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