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Agronomy
Special Issues
Vector–Pathogen Interactions Affecting Transmission of Plant Pathogens
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Vector–Pathogen Interactions Affecting Transmission of Plant Pathogens

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Pest and Disease Management".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 7347

Special Issue Editor

Dr. Adi Kliot

E-Mail Website
Guest Editor
Department of Entomology, Agriculture Research Organisation, Volcani Institute, Rishon LeZion 7505101, Israel
Interests: insect; mites; plant–pathogen interactions; transmission; acquisition

Special Issue Information

Dear Colleagues,

Vector-borne diseases of plants are caused by pathogens transmitted from plant to plant, primarily by insect vectors. These diseases cause massive yield losses worldwide.

Most of these diseases require just one insect for successful transmission from plant to plant, making it hard to prevent their occurrence in the field and rely primarily on the use of insecticides, which are often polluting and expensive.

The importance of studying the vectors of vector-borne plant pathogens rather than focusing on the plant host is becoming increasingly apparent.

More research is being conducted on the effects of pathogen acquisition on the vector and how these effects translate back to the transmission of the pathogen itself to host plants.

We would like to dedicate a Special Issue to this important topic and invite you to take part in it, submitting a manuscript on “Vector–Pathogen Interactions Affecting Transmission of Plant Pathogens”. The subject areas include but are not limited to the following:

  • The effects of pathogen acquisition on the gene expression/behavioural/life history aspects of the vector.
  • The effect of the vector’s diet or symbiont bacteria on pathogen transmission.
  • Interactions between pathogen and vector molecules affecting transmission.
  • The localization of pathogens within vectors and plant tissues.

I hope to hear from you,

Dr. Adi Kliot
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • vector
  • plant–pathogen
  • transmission
  • acquisition
  • attraction

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Published Papers (2 papers)

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Research

11 pages, 11822 KiB  
Article
Identification of Begomoviruses from Three Cryptic Species of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) in Nepal
by Rajendra Acharya, Yam Kumar Shrestha, Mst Fatema Khatun and Kyeong-Yeoll Lee
Agronomy 2021, 11(10), 2032; https://doi.org/10.3390/agronomy11102032 - 9 Oct 2021
Cited by 3 | Viewed by 2823
Abstract
The Bemisia tabaci species complex consists of at least 44 cryptic species, which are potential vectors of approximately 320 begomovirus species, most of which are significant plant viruses. However, the relationship of begomovirus transmission through vectors at the cryptic species level is uncertain. [...] Read more.
The Bemisia tabaci species complex consists of at least 44 cryptic species, which are potential vectors of approximately 320 begomovirus species, most of which are significant plant viruses. However, the relationship of begomovirus transmission through vectors at the cryptic species level is uncertain. In our previous study, three cryptic species (Asia I, Asia II 1, and Asia II 5) of B. tabaci were identified from 76 B. tabaci samples collected across 23 districts in Nepal. Using the same individuals we identified seven different begomovirus species (Squash leaf curl China virus [SLCCNV], Tomato leaf curl New Delhi virus [ToLCNDV], Okra enation leaf curl virus [OELCuV], Synedrella leaf curl virus [SyLCV], Tomato leaf curl Kerala virus [ToLCKeV], Ageratum enation virus [AEV], and Tomato leaf curl Karnataka virus [ToLCKV]) by PCR using universal begomovirus primers. The begomoviruses were detected in 55.26% of whitefly samples, and SLCCNV was the most prevalent species (27.63%). Among the three cryptic species of B. tabaci, the virus detection rate was highest in Asia I (60%), followed by Asia II 1 (58.82%) and Asia II 5 (53.06%). Most viruses were detected in all three species, but AEV and ToLCKV were found only in Asia I and Asia II 1, respectively. Geographic analysis showed that SLCCNV was distributed in the whole country, which is similar to the distribution of the Asia II 5 species, but OELCuV and SyLCV were detected only in the middle region of Nepal. Our results provide important information on the begomovirus profile in Nepal which can be beneficial for plant virus risk assessment and develop the management strategies to reduce the damage of whitefly transmitted viruses. Full article
(This article belongs to the Special Issue Vector–Pathogen Interactions Affecting Transmission of Plant Pathogens)
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14 pages, 1770 KiB  
Article
Effect of Banana Bunchy Top Virus on the Heat Shock Protein Genes of Pentalonia nigronervosa during Temperature Susceptibility and Its Effect on Virus Transmission
by Swati Chakraborty, Mritunjoy Barman, Snigdha Samanta, Moupiya Roy and Jayanta Tarafdar
Agronomy 2021, 11(9), 1866; https://doi.org/10.3390/agronomy11091866 - 17 Sep 2021
Cited by 7 | Viewed by 3511
Abstract
Acquisition of plant viruses is known to exert various effects on vectors’ developmental biology. Pentalonia nigronervosa is the only known vector of banana bunchy top virus (BBTV), which is an economically detrimental virus infecting banana cultivars all over the world. In the present [...] Read more.
Acquisition of plant viruses is known to exert various effects on vectors’ developmental biology. Pentalonia nigronervosa is the only known vector of banana bunchy top virus (BBTV), which is an economically detrimental virus infecting banana cultivars all over the world. In the present study, the developmental biology of viruliferous (Vr) and non-viruliferous (NVr) aphids was compared, with a marked reduction noted in the lifespan of aphids upon acquisition of BBTV. Among all the environmental parameters temperature is an important determinant of an insect’s abundance and geographical distribution. Temperature susceptibility of P. nigronervosa was scrutinized by comparing the mortality percentage and differential expression pattern of three heat shock proteins (Hsps; Hsp40, Hsp70, and Hsp90) at the mRNA level between NVr and Vr aphids. After exposure to different temperature stress (5 °C, 15 °C, 38 °C and 25 °C as control) highest mortality of Vr aphids were recorded at 5 °C. Analysis of expression levels of Hsp genes using qPCR showed that both cold and heat shock treatment stimulated higher expression of the three Hsps at various rates in Vr than NVr aphids.. Finally, the effect of temperature stress on the BBTV titer level and their transmission by P.nigronervosa was determined by absolute quantification. The transmission efficiency along with the virus titer was found to be the lowest at 15 °C compared to 38 °C. Overall, our results provide a novel insight into the intricate interaction between aphid fitness and thermal stress concerning the acquisition and transmission of BBTV, which could be a roadmap for the future epidemiological control system. Full article
(This article belongs to the Special Issue Vector–Pathogen Interactions Affecting Transmission of Plant Pathogens)
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