Results 141 to 150 of about 5,886 (165)

Whiteflies: Vectors, and victims (?), of geminiviruses

2001
Publisher Summary This chapter focuses on geminivirus insect–pathogen hypothesis. Most of viruses infecting plants rely on insects to move from one host to another. Some remain associated with the mouth parts and can be inoculated within seconds or minutes. Others are transmitted only several hours after acquisition.
H, Czosnek, M, Ghanim, S, Morin, G, Rubinstein, V, Fridman, M, Zeidan   +5 more
openaire   +2 more sources

Ecdysteroids and juvenile hormones of whiteflies, important insect vectors for plant viruses

Journal of Insect Physiology, 2007
Ecdysteroids and juvenile hormones (JHs) regulate many physiological events throughout the insect life cycle, including molting, metamorphosis, ecdysis, diapause, reproduction, and behavior. Fluctuation of whitefly ecdysteroid levels and the identity of the whitefly molting hormone (20-hydroxyecdysone) have only been reported within the last few years.
Dale B, Gelman, Maciej A, Pszczolkowski, Michael B, Blackburn, Sonny B, Ramaswamy   +3 more
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Begomovirus Transmission by the Insect Vector, the Whitefly Bemisia tabaci

Begomoviruses are exclusively transmitted by the whitefly Bemisia tabaci in a persistent circulative manner and pose serious threat to the production of important cash crops worldwide. Here, we describe the protocols to study how the whiteflies transmit begomoviruses, including maintenance of whitefly and species identification, preparation of tomato ...
Hui, Du, Yu-Meng, Wang, Xiao-Wei, Wang
openaire   +2 more sources

Characterisation of non-transmissible mutants of TYLCSV in the whitefly vector Bemisia tabaci.

2008
The monopartite Begomovirus (Geminiviridae) Tomato yellow leaf curl Sardinia virus (TYLCSV) has a capsid protein (CP) indispensable for plant infection and vector transmission. Amino acids (aa) between Q129 and D152 are critical for insect transmissibility.
Noris, E., Medina, V., Mason, G., Accotto, G.P., Marian, D., Vecchiati, M., Masenga, V, Falcioni, T., Caciagli, P.   +17 more
  +8 more sources

Relationship between Tomato yellow leaf curl viruses and the whitefly vector.

Communications in agricultural and applied biological sciences, 2008
Tomato Yellow Leaf Curl Virus (TYLCV) and Tomato Leaf Curl Virus (ToLCV) are the currently known begomoviruses in Uganda. The relationship with their whiteflies (Bemisia tabaci) vector and its management were not known in Uganda. A direct relationship was expected between these begomoviruses and whiteflies at Buwama in Mpigi district of Uganda.
Charles, Ssekyewa, Patrick L J, Van Damme, Monica, Hofte   +2 more
openaire   +1 more source

A bead-based suspension array for the multiplexed detection of begomoviruses and their whitefly vectors

Journal of Virological Methods, 2014
Bead-based suspension array systems enable simultaneous fluorescence-based identification of multiple nucleic acid targets in a single reaction. This study describes the development of a novel approach to plant virus and vector diagnostics, a multiplexed 7-plex array that comprises a hierarchical set of assays for the simultaneous detection of ...
van Brunschot, S.L., Bergervoet, J.H.W., Pagendam, D.E., de Weerdt, M., Geering, A.D.W., Drenth, A., van der Vlugt, R.A.A.   +6 more
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Interactions of Tomato Yellow Leaf Curl Virus with its Whitefly Vector

2007
Whiteflies cause damages to many economically important agricultural crops because of their feeding habits and their begomovirus transmissions. The whitefly Bemisia tabaci is a genetically diverse group, which includes a large number of different biotypes (see Part I, Chapter 3).
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Approaches for Studying the Interaction of Geminiviruses with Their Whitefly Vector Bemisia tabaci

1995
The DNA of tomato yellow leaf curl virus (TYLCB) was detected in its whitefly vector, Bemisia tabaci, by dot spot hybridization as early as 1 h after acquisition access. The retention of the virus nucleic acid in the vector was at least 23 days after a 48 h acquisition access. However, the retention of TYLCV coat protein did not exceed 10 days.
Yehezkiel Antignus, Ernest Hiebert, Shlomo Cohen, Susan Webb   +3 more
openaire   +1 more source

Diverse Begomoviruses Evolutionarily Hijack Plant Terpenoid-Based Defense to Promote Whitefly Performance

Cells, 2023
Pingzhi Zhao, Muhammad Mubin, Rong-Xiang Fang   +2 more
exaly  

Transovarial transmission of a begomovirus by its whitefly vector

2016 International Congress of Entomology, 2016
openaire   +1 more source