''Nerine latent virus'' (NeLV) is a plant pathogenic virus. It infects ''

Nerine ''Nerine'' (nerines, Guernsey lily, Jersey lily, spider lily) is a genus of flowering plants belonging to the family (biology), family Amaryllidaceae, subfamily Amaryllidoideae. They are bulbous perennial plant, perennials, some evergreen, asso ...

'', ''

Narcissus Narcissus may refer to: Biology * ''Narcissus'' (plant), a genus containing daffodils and others People * Narcissus (mythology), Greek mythological character * Narcissus (wrestler) (2nd century), assassin of the Roman emperor Commodus * Tiberiu ...

'', ''

Hippeastrum ''Hippeastrum'' () is a genus of about 90 species and over 600 hybrids and cultivars of perennial herbaceous bulbous plants. They generally have large fleshy bulbs and tall broad leaves, generally evergreen, and large red or purple flowers. ...

'' and ''

Ismene In Greek mythology, Ismene (; grc, Ἰσμήνη, ''Ismēnē'') is the daughter and half-sister of Oedipus, daughter and granddaughter of Jocasta, and sister of Antigone, Eteocles, and Polynices. She appears in several plays of Sophocles: at the ...

'' plants.

Taxonomy

NeLV was first described in 1972.Remove (abolish) the species ''Narcissus symptomless virus'' in the genus Carlavirus, family Betaflexiviridae. 2012
/ref> In 2004 it was placed in the ''

Carlavirus ''Carlavirus'', formerly known as the "Carnation latent virus group", is a genus of viruses in the order ''Tymovirales'', in the family ''Betaflexiviridae''. Plants serve as natural hosts. There are 53 species in this genus. Diseases associated w ...

'' genus within the family '' Flexiviridae''. When that family was split in 2009, ''Carlavirus'' and NeLV were placed in the family ''

Betaflexiviridae ''Betaflexiviridae'' is a family of viruses in the order ''Tymovirales''. Plants and fungi serve as natural hosts. There are 108 species in this family, assigned to 13 genera in two subfamilies. Diseases associated with this family include mosa ...

''.

Narcissus symptomless virus

''Narcissus symptomless virus'' was described as a separate virus

taxon In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...

in 2006. Subsequently, in 2016 it became apparent that the nucleotide sequence identities between ''Narcissus symptomless virus'' and the partial genome sequences of Nerine latent virus are 94-97% for coat protein and

replicase RNA-dependent RNA polymerase (RdRp) or RNA replicase is an enzyme that catalyzes the replication of RNA from an RNA template. Specifically, it catalyzes synthesis of the RNA strand complementary to a given RNA template. This is in contrast to ...

, well above the threshold 72% set for

speciation Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for cladogenesis, the splitting of lineages, as opposed to anagenesis, phyletic evolution within ...

of flexiviruses. Consequently, these two viruses can be considered to be the same taxon, and since NeLV has priority, ''Narcissus symptomless virus'' should be reduced to a

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

.Wylie SJ, Jones MGK (2012) Complete genome sequences of seven carlavirus and potyvirus isolates on Narcissus and Hippeastrum plants in Australia, and proposals to clarify their naming. Archives of Virology (available online 12 May 2012. DOI: 10.1007/s00705-012- 1319-6)

References

Bibliography

*Maat DZ, Huttinga H, Hakkaart FA (1978) Nerine latent virus, some properties and serological detectability in ''Nerine bowdenii''. Neth J Plant Pathol 84:47–59 {{Taxonbar, from=Q18648851 Carlaviruses Viral plant pathogens and diseases