Soybean mosaic virus: a successful potyvirus with a wide distribution but restricted natural host range

M. R. Hajimorad, L. L. Domier, S. A. Tolin, S. A. Whitham, M. A. Saghai Maroof

Research output: Contribution to journalArticle

Abstract

Taxonomy: Soybean mosaic virus (SMV) is a species within the genus Potyvirus, family Potyviridae, which includes almost one-quarter of all known plant RNA viruses affecting agriculturally important plants. The Potyvirus genus is the largest of all genera of plant RNA viruses with 160 species. Particle: The filamentous particles of SMV, typical of potyviruses, are about 7500 Å long and 120 Å in diameter with a central hole of about 15 Å in diameter. Coat protein residues are arranged in helices of about 34 Å pitch having slightly less than nine subunits per turn. Genome: The SMV genome consists of a single-stranded, positive-sense, polyadenylated RNA of approximately 9.6 kb with a virus-encoded protein (VPg) linked at the 5′ terminus. The genomic RNA contains a single large open reading frame (ORF). The polypeptide produced from the large ORF is processed proteolytically by three viral-encoded proteinases to yield about 10 functional proteins. A small ORF, partially overlapping the P3 cistron, pipo, is encoded as a fusion protein in the N-terminus of P3 (P3N + PIPO). Biological properties: SMV's host range is restricted mostly to two plant species of a single genus: Glycine max (cultivated soybean) and G. soja (wild soybean). SMV is transmitted by aphids non-persistently and by seeds. The variability of SMV is recognized by reactions on cultivars with dominant resistance (R) genes. Recessive resistance genes are not known. Geographical distribution and economic importance: As a consequence of its seed transmissibility, SMV is present in all soybean-growing areas of the world. SMV infections can reduce significantly seed quantity and quality (e.g. mottled seed coats, reduced seed size and viability, and altered chemical composition). Control: The most effective means of managing losses from SMV are the planting of virus-free seeds and cultivars containing single or multiple R genes. Key attractions: The interactions of SMV with soybean genotypes containing different dominant R genes and an understanding of the functional role(s) of SMV-encoded proteins in virulence, transmission and pathogenicity have been investigated intensively. The SMV–soybean pathosystem has become an excellent model for the examination of the genetics and genomics of a uniquely complex gene-for-gene resistance model in a crop of worldwide importance.

Original languageEnglish (US)
Pages (from-to)1563-1579
Number of pages17
JournalMolecular Plant Pathology
Volume19
Issue number7
DOIs
StatePublished - Jul 2018

Fingerprint

Soybean mosaic virus
Potyvirus
Mosaic Viruses
Host Specificity
host range
Soybeans
soybean
virus
Seeds
genes
vpr Genes
open reading frames
Potyviridae
seeds
RNA
gene
seed
protein
soybeans
Plant RNA

Keywords

  • Potyviridae
  • R genes
  • RNA viruses
  • avirulence/virulence proteins
  • host responses
  • signalling
  • virus–host interactions

ASJC Scopus subject areas

  • Molecular Biology
  • Agronomy and Crop Science
  • Soil Science
  • Plant Science

Cite this

Soybean mosaic virus : a successful potyvirus with a wide distribution but restricted natural host range. / Hajimorad, M. R.; Domier, L. L.; Tolin, S. A.; Whitham, S. A.; Saghai Maroof, M. A.

In: Molecular Plant Pathology, Vol. 19, No. 7, 07.2018, p. 1563-1579.

Research output: Contribution to journalArticle

Hajimorad, M. R. ; Domier, L. L. ; Tolin, S. A. ; Whitham, S. A. ; Saghai Maroof, M. A. / Soybean mosaic virus : a successful potyvirus with a wide distribution but restricted natural host range. In: Molecular Plant Pathology. 2018 ; Vol. 19, No. 7. pp. 1563-1579.
@article{80fca88e803643a68b3f6c0631058098,
title = "Soybean mosaic virus: a successful potyvirus with a wide distribution but restricted natural host range",
abstract = "Taxonomy: Soybean mosaic virus (SMV) is a species within the genus Potyvirus, family Potyviridae, which includes almost one-quarter of all known plant RNA viruses affecting agriculturally important plants. The Potyvirus genus is the largest of all genera of plant RNA viruses with 160 species. Particle: The filamentous particles of SMV, typical of potyviruses, are about 7500 {\AA} long and 120 {\AA} in diameter with a central hole of about 15 {\AA} in diameter. Coat protein residues are arranged in helices of about 34 {\AA} pitch having slightly less than nine subunits per turn. Genome: The SMV genome consists of a single-stranded, positive-sense, polyadenylated RNA of approximately 9.6 kb with a virus-encoded protein (VPg) linked at the 5′ terminus. The genomic RNA contains a single large open reading frame (ORF). The polypeptide produced from the large ORF is processed proteolytically by three viral-encoded proteinases to yield about 10 functional proteins. A small ORF, partially overlapping the P3 cistron, pipo, is encoded as a fusion protein in the N-terminus of P3 (P3N + PIPO). Biological properties: SMV's host range is restricted mostly to two plant species of a single genus: Glycine max (cultivated soybean) and G. soja (wild soybean). SMV is transmitted by aphids non-persistently and by seeds. The variability of SMV is recognized by reactions on cultivars with dominant resistance (R) genes. Recessive resistance genes are not known. Geographical distribution and economic importance: As a consequence of its seed transmissibility, SMV is present in all soybean-growing areas of the world. SMV infections can reduce significantly seed quantity and quality (e.g. mottled seed coats, reduced seed size and viability, and altered chemical composition). Control: The most effective means of managing losses from SMV are the planting of virus-free seeds and cultivars containing single or multiple R genes. Key attractions: The interactions of SMV with soybean genotypes containing different dominant R genes and an understanding of the functional role(s) of SMV-encoded proteins in virulence, transmission and pathogenicity have been investigated intensively. The SMV–soybean pathosystem has become an excellent model for the examination of the genetics and genomics of a uniquely complex gene-for-gene resistance model in a crop of worldwide importance.",
keywords = "Potyviridae, R genes, RNA viruses, avirulence/virulence proteins, host responses, signalling, virus–host interactions",
author = "Hajimorad, {M. R.} and Domier, {L. L.} and Tolin, {S. A.} and Whitham, {S. A.} and {Saghai Maroof}, {M. A.}",
year = "2018",
month = "7",
doi = "10.1111/mpp.12644",
language = "English (US)",
volume = "19",
pages = "1563--1579",
journal = "Molecular Plant Pathology",
issn = "1464-6722",
publisher = "Wiley-Blackwell",
number = "7",

}

TY - JOUR

T1 - Soybean mosaic virus

T2 - a successful potyvirus with a wide distribution but restricted natural host range

AU - Hajimorad, M. R.

AU - Domier, L. L.

AU - Tolin, S. A.

AU - Whitham, S. A.

AU - Saghai Maroof, M. A.

PY - 2018/7

Y1 - 2018/7

N2 - Taxonomy: Soybean mosaic virus (SMV) is a species within the genus Potyvirus, family Potyviridae, which includes almost one-quarter of all known plant RNA viruses affecting agriculturally important plants. The Potyvirus genus is the largest of all genera of plant RNA viruses with 160 species. Particle: The filamentous particles of SMV, typical of potyviruses, are about 7500 Å long and 120 Å in diameter with a central hole of about 15 Å in diameter. Coat protein residues are arranged in helices of about 34 Å pitch having slightly less than nine subunits per turn. Genome: The SMV genome consists of a single-stranded, positive-sense, polyadenylated RNA of approximately 9.6 kb with a virus-encoded protein (VPg) linked at the 5′ terminus. The genomic RNA contains a single large open reading frame (ORF). The polypeptide produced from the large ORF is processed proteolytically by three viral-encoded proteinases to yield about 10 functional proteins. A small ORF, partially overlapping the P3 cistron, pipo, is encoded as a fusion protein in the N-terminus of P3 (P3N + PIPO). Biological properties: SMV's host range is restricted mostly to two plant species of a single genus: Glycine max (cultivated soybean) and G. soja (wild soybean). SMV is transmitted by aphids non-persistently and by seeds. The variability of SMV is recognized by reactions on cultivars with dominant resistance (R) genes. Recessive resistance genes are not known. Geographical distribution and economic importance: As a consequence of its seed transmissibility, SMV is present in all soybean-growing areas of the world. SMV infections can reduce significantly seed quantity and quality (e.g. mottled seed coats, reduced seed size and viability, and altered chemical composition). Control: The most effective means of managing losses from SMV are the planting of virus-free seeds and cultivars containing single or multiple R genes. Key attractions: The interactions of SMV with soybean genotypes containing different dominant R genes and an understanding of the functional role(s) of SMV-encoded proteins in virulence, transmission and pathogenicity have been investigated intensively. The SMV–soybean pathosystem has become an excellent model for the examination of the genetics and genomics of a uniquely complex gene-for-gene resistance model in a crop of worldwide importance.

AB - Taxonomy: Soybean mosaic virus (SMV) is a species within the genus Potyvirus, family Potyviridae, which includes almost one-quarter of all known plant RNA viruses affecting agriculturally important plants. The Potyvirus genus is the largest of all genera of plant RNA viruses with 160 species. Particle: The filamentous particles of SMV, typical of potyviruses, are about 7500 Å long and 120 Å in diameter with a central hole of about 15 Å in diameter. Coat protein residues are arranged in helices of about 34 Å pitch having slightly less than nine subunits per turn. Genome: The SMV genome consists of a single-stranded, positive-sense, polyadenylated RNA of approximately 9.6 kb with a virus-encoded protein (VPg) linked at the 5′ terminus. The genomic RNA contains a single large open reading frame (ORF). The polypeptide produced from the large ORF is processed proteolytically by three viral-encoded proteinases to yield about 10 functional proteins. A small ORF, partially overlapping the P3 cistron, pipo, is encoded as a fusion protein in the N-terminus of P3 (P3N + PIPO). Biological properties: SMV's host range is restricted mostly to two plant species of a single genus: Glycine max (cultivated soybean) and G. soja (wild soybean). SMV is transmitted by aphids non-persistently and by seeds. The variability of SMV is recognized by reactions on cultivars with dominant resistance (R) genes. Recessive resistance genes are not known. Geographical distribution and economic importance: As a consequence of its seed transmissibility, SMV is present in all soybean-growing areas of the world. SMV infections can reduce significantly seed quantity and quality (e.g. mottled seed coats, reduced seed size and viability, and altered chemical composition). Control: The most effective means of managing losses from SMV are the planting of virus-free seeds and cultivars containing single or multiple R genes. Key attractions: The interactions of SMV with soybean genotypes containing different dominant R genes and an understanding of the functional role(s) of SMV-encoded proteins in virulence, transmission and pathogenicity have been investigated intensively. The SMV–soybean pathosystem has become an excellent model for the examination of the genetics and genomics of a uniquely complex gene-for-gene resistance model in a crop of worldwide importance.

KW - Potyviridae

KW - R genes

KW - RNA viruses

KW - avirulence/virulence proteins

KW - host responses

KW - signalling

KW - virus–host interactions

UR - http://www.scopus.com/inward/record.url?scp=85042138031&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85042138031&partnerID=8YFLogxK

U2 - 10.1111/mpp.12644

DO - 10.1111/mpp.12644

M3 - Article

C2 - 29134790

AN - SCOPUS:85042138031

VL - 19

SP - 1563

EP - 1579

JO - Molecular Plant Pathology

JF - Molecular Plant Pathology

SN - 1464-6722

IS - 7

ER -