Integrated Management Of Insect Borne Viruses By Means Of Transmission Interference As An Alternative To Pesticides

Fernández‐Calvino, Lourdes; López‐Abella, D.; López‐Moya, Juan José

doi:10.1007/978-1-4020-6061-8_11

Cited by 4 publications

(2 citation statements)

References 140 publications

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“…While Q performed better on TYLCV-infected tomato plants than on uninfected ones, whereas B performed better on uninfected tomato plants than on TYLCV-infected ones22. The transmission of plant viruses by insect vectors has been explored for over a century28. Several studies have shown that virus-induced plant reactions shape the behavior, physiology, and dynamics of the insect vectors, sometimes inducing changes in the insect vectors that favor virus transmission2527.…”

Section: Discussionmentioning

confidence: 99%

Tomato yellow leaf curl virus alters the host preferences of its vector Bemisia tabaci

Fang

Jiao

Xie

et al. 2013

Sci Rep

100

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Bemisia tabaci, the whitefly vector of Tomato yellow leaf curl virus (TYLCV), seriously reduces tomato production and quality. Here, we report the first evidence that infection by TYLCV alters the host preferences of invasive B. tabaci B (Middle East-Minor Asia 1) and Q (Mediterranean genetic group), in which TYLCV-free B. tabaci Q preferred to settle on TYLCV-infected tomato plants over healthy ones. TYLCV-free B. tabaci B, however, preferred healthy tomato plants to TYLCV-infected plants. In contrast, TYLCV-infected B. tabaci, either B or Q, did not exhibit a preference between TYLCV-infected and TYLCV-free tomato plants. Based on gas chromatography-mass spectrometry (GCMS)analysis of plant terpene volatiles, significantly more β-myrcene, thymene, β-phellandrene, caryophyllene, (+)-4-carene, and α-humulene were released from the TYLCV-free tomato plants than from the TYLCV-infected ones. The results indicate TYLCV can alter the host preferences of its vector Bemisia tabaci B and Q.

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Section: Discussionmentioning

confidence: 99%

Tomato yellow leaf curl virus alters the host preferences of its vector Bemisia tabaci

Fang

Jiao

Xie

et al. 2013

Sci Rep

100

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“…Numerous insect vectored plant viruses are transmitted in a non-persistent or semipersistent non-circulative manner with the virus maintained only temporarily in the mouthparts or foregut of the vector without circulating through its body; however, a significant number is transmitted in a persistent circulative manner in which the viruses cross the gut epithelium and circulate through the body of the insect vector to ultimately colonize the salivary glands before being transmitted to plants during feeding 3 . In the latter case, some viruses can replicate within the vector and are called propagative for which transmission can be maintained even during the entire lifespan of the insect vector with dramatic consequences for the epidemiology and control of the virus 4 .…”

mentioning

confidence: 99%

Tomato yellow leaf curl virus: No evidence for replication in the insect vector Bemisia tabaci

Sánchez-Campos

Rodríguez-Negrete

Cruzado

et al. 2016

Sci Rep

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Begomovirus ssDNA plant virus (family Geminiviridae) replication within the Bemisia tabaci vector is controversial. Transovarial transmission, alteration to whitefly biology, or detection of viral transcripts in the vector are proposed as indirect evidence of replication of tomato yellow leaf curl virus (TYLCV). Recently, contrasting direct evidence has been reported regarding the capacity of TYLCV to replicate within individuals of B. tabaci based on quantitave PCR approaches. Time-course experiments to quantify complementary and virion sense viral nucleic acid accumulation within B. tabaci using a recently implemented two step qPCR procedure revealed that viral DNA quantities did not increase for time points up to 96 hours after acquisition of the virus. Our findings do not support a recent report claiming TYLCV replication in individuals of B. tabaci.

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Temporal Progression of ‘Candidatus Liberibacter asiaticus’ Infection in Citrus and Acquisition Efficiency by Diaphorina citri

Coletta-Filho¹,

Daugherty²,

Ferreira³

et al. 2014

Phytopathology®

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Over the last decade, the plant disease huanglongbing (HLB) has emerged as a primary threat to citrus production worldwide. HLB is associated with infection by phloem-limited bacteria ('Candidatus Liberibacter' spp.) that are transmitted by the Asian citrus psyllid, Diaphorina citri. Transmission efficiency varies with vector-related aspects (e.g., developmental stage and feeding periods) but there is no information on the effects of host-pathogen interactions. Here, acquisition efficiency of 'Candidatus Liberibacter asiaticus' by D. citri was evaluated in relation to temporal progression of infection and pathogen titer in citrus. We graft inoculated sweet orange trees with 'Ca. L. asiaticus'; then, at different times after inoculation, we inspected plants for HLB symptoms, measured bacterial infection levels (i.e., titer or concentration) in plants, and measured acquisition by psyllid adults that were confined on the trees. Plant infection levels increased rapidly over time, saturating at uniformly high levels (≈10(8) copy number of 16S ribosomal DNA/g of plant tissue) near 200 days after inoculation-the same time at which all infected trees first showed disease symptoms. Pathogen acquisition by vectors was positively associated with plant infection level and time since inoculation, with acquisition occurring as early as the first measurement, at 60 days after inoculation. These results suggest that there is ample potential for psyllids to acquire the pathogen from trees during the asymptomatic phase of infection. If so, this could limit the effectiveness of tree rouging as a disease management tool and would likely explain the rapid spread observed for this disease in the field.

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Integrated Management Of Insect Borne Viruses By Means Of Transmission Interference As An Alternative To Pesticides

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Cited by 4 publications

References 140 publications

Tomato yellow leaf curl virus alters the host preferences of its vector Bemisia tabaci

Tomato yellow leaf curl virus alters the host preferences of its vector Bemisia tabaci

Tomato yellow leaf curl virus: No evidence for replication in the insect vector Bemisia tabaci

Temporal Progression of ‘Candidatus Liberibacter asiaticus’ Infection in Citrus and Acquisition Efficiency by Diaphorina citri

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