Publications by authors named "Martin Verbeek"

Article Synopsis
  • In April 2023, the International Committee on Taxonomy of Viruses (ICTV) approved changes to the phylum's classification during their annual vote.
  • The update included the addition of one new family, 14 new genera, and 140 new species.
  • Additionally, the taxonomy featured the renaming of two genera and 538 species, along with the removal of one species and the abolition of four others.
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Article Synopsis
  • * It was expanded to include two new families, 41 new genera, and 98 new species, along with reclassifications for 349 species.
  • * The article details the updated taxonomy of Negarnaviricota, including corrections of misspelled names for seven species.
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Article Synopsis
  • - In March 2021, the ICTV updated the phylum Negarnaviricota by officially ratifying new taxonomy changes.
  • - The revision included the addition of four families, three subfamilies, 42 genera, and 200 species, along with several renaming and abolishing of species.
  • - This article outlines the newly accepted taxonomic structure of Negarnaviricota following the ICTV's decisions.
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Article Synopsis
  • In March 2020, the International Committee on Taxonomy of Viruses (ICTV) made updates to the taxonomic classification of the phylum Negarnaviricota.
  • The revisions included adding 20 new genera, deleting 2, moving 1, and renaming 3 at the genus level, along with significant changes at the species level, such as adding 160 species.
  • The article provides the latest accepted taxonomy for Negarnaviricota as ratified by the ICTV.
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The Ophioviridae is a family of filamentous plant viruses, with single-stranded negative, and possibly ambisense, RNA genomes of 11.3-12.5 kb divided into 3-4 segments, each encapsidated separately.

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Lettuce necrotic leaf curl virus (LNLCV) was described as the first non-tomato-infecting member of the genus Torradovirus. Until today, the virus was found only in The Netherlands in two different areas in open field crops of lettuce. In 2015, LNLCV was accepted by the ICTV as a new member of the genus Torradovirus.

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Plantago asiatica mosaic virus (PlAMV) is a member of the genus Potexvirus and has an exceptionally wide host range. It causes severe damage to lilies. Here we report on the complete nucleotide sequences of two new Japanese PlAMV isolates, one from the eudicot weed Viola grypoceras (PlAMV-Vi), and the other from the eudicot shrub Nandina domestica Thunb.

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In 2016, the order Mononegavirales was emended through the addition of two new families (Mymonaviridae and Sunviridae), the elevation of the paramyxoviral subfamily Pneumovirinae to family status (Pneumoviridae), the addition of five free-floating genera (Anphevirus, Arlivirus, Chengtivirus, Crustavirus, and Wastrivirus), and several other changes at the genus and species levels. This article presents the updated taxonomy of the order Mononegavirales as now accepted by the International Committee on Taxonomy of Viruses (ICTV).

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Torradoviruses are an example of a group of recently discovered plant viruses. The first description of Tomato torrado virus, now the type member of the newly established genus Torradovirus within the family Secoviridae, was published in 2007 and was quickly followed by findings of other torradoviruses, initially all on tomato. Their characterization led to the development of tools that allowed recognition of still other torradoviruses, only very recently found on non-tomato crops, which indicates these viruses have a much wider host range and diversity than previously believed.

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Members of the genus Torradovirus (family Secoviridae, type species Tomato torrado virus, ToTV) are spherical plant viruses transmitted by the whitefly species Trialeurodes vaporariorum and Bemisia tabaci. Knowledge on the mode of vector transmission is lacking for torradoviruses. Here, the mode of transmission was determined for Tomato marchitez virus (ToMarV).

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A new virus was isolated from a lettuce plant grown in an open field in the Netherlands in 2011. This plant was showing conspicuous symptoms that consisted of necrosis and moderate leaf curling. The virus was mechanically transferred to indicator plants, and a total RNA extract of one of these indicator plants was used for next-generation sequencing.

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Two degenerate primer pairs were designed for the universal detection of members of the genus Torradovirus. Primer pair Torrado-1F/Torrado-1R was designed based on the RNA-dependent RNA polymerase region located in RNA1 and primer pair Torrado-2F/Torrado-2R based on a region overlapping the two first coat proteins Vp35 and Vp26 in RNA2. The primers were used in two-step and one-step RT-PCR protocols.

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The complete genomic sequence of an isolate (PRI-509) of the C strain of Potato virus Y (PVY(C)), which was originally isolated from potato in 1938, was elucidated. The genomic RNA of PRI-509 consists of 9699 nucleotides, with the capacity to encode a polyprotein of 3061 amino acids with a molecular mass of 337 kDa.This is the first full-length sequence of a PVY (C) isolate from potato that belongs to the C1 phylogenetic subgroup, which was previously thought to exclusively contain non-potato isolates.

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A new virus was isolated from a tomato plant from Guatemala showing necrotic spots on the bases of the leaves and chocolate-brown patches on the fruits. Structural and molecular analysis showed the virus to be clearly related to but distinct from the recently described Tomato torrado virus (ToTV) and Tomato marchitez virus (ToMarV), both members of the genus Torradovirus. The name tomato chocolàte virus is proposed for this new torradovirus.

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