Conventional and qPCR reveals the presence of ‘Candidatus Liberibacter solanacearum’ haplotypes A, and B in Physalis philadelphica plant, seed, and Βactericera cockerelli psyllids, with the assignment of a new haplotype H in Convolvulaceae

Contreras-Rendón, Alejandra; Sánchez-Pale, Jesús Ricardo; Fuentes-Aragón, Dionicio; Alanis-Martínez, Iobana; Silva-Rojas, Hilda Victoria

doi:10.1007/s10482-019-01362-9

Cited by 14 publications

(24 citation statements)

References 70 publications

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“…Recent studies have revealed that Lso is more genetically diverse than previously known, with a total of seven new haplotypes (including Cras1 and Cras2) being described within the last 3 years [5][6][7][8][9] ; representing a more than twofold increase in the number of haplotypes known to science. It is almost certain that further haplotypes of Lso exist and are yet to be discovered; further work is required to ascertain their impact on agriculture, horticulture and the natural environment.…”

Section: Discussionmentioning

confidence: 99%

“…Numbers on branches represent the percentage of iterations that support that clade (1,000 replicates). www.nature.com/scientificreports/ were designated as haplotype "H" and published within 24hrs of each other 7,8 . One haplotype was found in carrot, parsnip, and Polygonaceae weed species in Finland 7 and the other was found in B. cockerelli and Convolvulaceae 8 .…”

Section: Discussionmentioning

confidence: 99%

“…The second haplotype H, referred to henceforth as H(Con), was first found infecting plants in the Convolvulaceae, including Convolvulus arvensis (field bindweed) and Ipomea batatas (sweet potato) 27 . H(Con) haplotype was assigned after further analysis of 16S ribosomal gene regions 8 but the full set of ribosomal genes necessary for assignment of new haplotypes has not been sequenced.…”

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confidence: 99%

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‘Candidatus Liberibacter solanacearum’ distribution and diversity in Scotland and the characterisation of novel haplotypes from Craspedolepta spp. (Psylloidea: Aphalaridae)

Sumner-Kalkun¹,

Highet²,

Arnsdorf³

et al. 2020

Sci Rep

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The phloem limited bacterium ‘Candidatus Liberibacter solanacearum’ (Lso) is associated with disease in Solanaceous and Apiaceous crops. This bacterium has previously been found in the UK in Trioza anthrisci, but its impact on UK crops is unknown. Psyllid and Lso diversity and distribution among fields across the major carrot growing areas of Scotland were assessed using real-time PCR and DNA barcoding techniques. Four Lso haplotypes were found: C, U, and two novel haplotypes. Lso haplotype C was also found in a small percentage of asymptomatic carrot plants (9.34%, n = 139) from a field in Milnathort where known vectors of this haplotype were not found. This is the first report of Lso in cultivated carrot growing in the UK and raises concern for the carrot and potato growing industry regarding the potential spread of new and existing Lso haplotypes into crops. Trioza anthrisci was found present only in sites in Elgin, Moray with 100% of individuals harbouring Lso haplotype C. Lso haplotype U was found at all sites infecting Trioza urticae and at some sites infecting Urtica dioica with 77.55% and 24.37% average infection, respectively. The two novel haplotypes were found in Craspedolepta nebulosa and Craspedolepta subpunctata and named Cras1 and Cras2. This is the first report of Lso in psyllids from the Aphalaridae. These new haplotypes were most closely related to Lso haplotype H recently found in carrot and parsnip. Lso was also detected in several weed plants surrounding carrot and parsnip fields. These included two Apiaceous species Aegropodium podagraria (hap undetermined) and Anthriscus sylvestris (hap C); one Gallium sp. (Rubiaceae) (hap undetermined); and Chenopodium album (Amaranthaceae) (hap undetermined).

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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‘Candidatus Liberibacter solanacearum’ distribution and diversity in Scotland and the characterisation of novel haplotypes from Craspedolepta spp. (Psylloidea: Aphalaridae)

Sumner-Kalkun¹,

Highet²,

Arnsdorf³

et al. 2020

Sci Rep

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“…Seven haplotypes of CLso have been identified around the world to date (Alfaro‐Fernández, Siverio, Cebrián, Villaescusa, & Font, 2012; Contreras‐Rendon, Sanchez‐Pale, Fuentes‐Aragón, & Alanís‐Martínez, 2019; Mauck, Sun, Meduri, & Hansen, 2019; Munyaneza et al., 2015; Nelson et al., 2011, 2013; Swisher‐Grimm & Garczynski, 2019; Teresani et al., 2014; Torres et al., 2015). Only haplotypes A and B of CLso have been detected in potato, pepper, husk tomato and tomato plants, as well as in its vector B .…”

Section: Introductionmentioning

confidence: 99%

“…Only haplotypes A and B of CLso have been detected in potato, pepper, husk tomato and tomato plants, as well as in its vector B . cockerelli in the centre and north of Mexico, which are the most important solanaceous‐producing areas of the country (Contreras‐Rendon et al., 2016; Contreras‐Rendon et al., 2019; Ling, Lin, Lewis‐Ivey, Zhang, & Miller, 2011; Munyaneza et al., 2009; Rojas‐Martínez et al., 2016). CLso has different solanaceous hosts including Solanum lycopersicum L., Solanum tuberosum L., Solanum melongenea L., Capsicum annuum L., Nicotiana spp.…”

Section: Introductionmentioning

confidence: 99%

Resistance to Candidatus Liberibacter solanacearum haplotype B in tomato landraces from Mexico

Garzón‐Tiznado

Melgoza-Villagómez

Orona

et al. 2020

Journal of Phytopathology

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Candidatus Liberibacter solanacearum haplotype B (CLsoB) is an economically important pathogen of tomato (Solanum lycopersicum L.) crops in New Zealand and Central and North America. Currently, resistant cultivars of tomato are not available as a management tactic because breeding programmes lack sources of resistance. Therefore, the objective of this study was to identify sources of resistance in tomato to CLsoB. Forty‐six landraces of tomato were collected from several states in Mexico and were inoculated with CLsoB using 20 infested adults of Bactericera cockerelli per plant. Two assays were done over two years under greenhouse conditions. In the first trial, landraces FC22 and FC44 showed a significantly higher proportion of resistant plants, less symptom severity and longer incubation time compared with the other forty‐four landraces and two susceptible cultivars. In the second assay, resistance to CLsoB of the landraces FC22 and FC44 was confirmed because they had again significantly greater numbers of resistant plants, less symptom severity, relative lower CLsoB titers and longer incubation time relative to the other genotypes. All plants considered resistant from both assays had DNA of CLsoB. Results indicate that all resistant plants from these landraces are promising sources for the development of tomato cultivars with resistance to CLsoB.

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Psyllids

Wenninger

Rashed

2022

Insect Pests of Potato

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Conventional and qPCR reveals the presence of ‘Candidatus Liberibacter solanacearum’ haplotypes A, and B in Physalis philadelphica plant, seed, and Βactericera cockerelli psyllids, with the assignment of a new haplotype H in Convolvulaceae

Cited by 14 publications

References 70 publications

‘Candidatus Liberibacter solanacearum’ distribution and diversity in Scotland and the characterisation of novel haplotypes from Craspedolepta spp. (Psylloidea: Aphalaridae)

‘Candidatus Liberibacter solanacearum’ distribution and diversity in Scotland and the characterisation of novel haplotypes from Craspedolepta spp. (Psylloidea: Aphalaridae)

Resistance to Candidatus Liberibacter solanacearum haplotype B in tomato landraces from Mexico

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