Open AccessICTV Virus Taxonomy Profile: Megabirnaviridae
Author(s) -
Yukiyo Sato,
Naoyuki Miyazaki,
Satoko Kanematsu,
Jiǎtāo Xiè,
Said A. Ghabrial,
Bradley I Hillman,
Nobuhiro Suzuki
Publication year - 2019
Publication title -
journal of general virology
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.55
H-Index - 167
eISSN - 1465-2099
pISSN - 0022-1317
DOI - 10.1099/jgv.0.001297
Subject(s) - biology , orfs , virology , genome , virus classification , root rot , mycovirus , genetics , coding region , gene , botany , rna , open reading frame , peptide sequence , rna polymerase
Megabirnaviridae is a family of non-enveloped spherical viruses with dsRNA genomes of two linear segments, each of 7.2-8.9 kbp, comprising 16.1 kbp in total. The genus Megabirnavirus includes the species Rosellinia necatrix megabirnavirus 1 , the exemplar isolate of which infects the white root rot fungus ( Rosellinia necatrix ) to which it confers hypovirulence. Megabirnaviruses are characterized by their bisegmented genome with large 5'-untranslated regions (1.6 kb) upstream of both 5'-proximal coding strand ORFs, and large protrusions on the particle surface. This is a summary of the ICTV Report on the family Megabirnaviridae , which is available at ictv.global/report/megabirnaviridae.This Profile is dedicated to the memory of our valued colleague Professor Said A. Ghabrial.