A fitness cost for Turnip mosaic virus to overcome host resistance
The relative fitness of the Turnip mosaic virus (TuMV) isolate UK 1 was compared with that of two other wildtype isolates CZE 1 and CDN 1. The isolates CZE 1 and CDN 1 are able to overcome the effect of the resistance gene TuRB01 and at least three other resistance sources that are effective against...
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| Veröffentlicht in: | Virus research 2002-06, Vol.86 (1), p.1-6 |
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| creator | Jenner, Carol E. Wang, Xiaowu Ponz, Fernando Walsh, John A. |
| description | The relative fitness of the
Turnip mosaic virus (TuMV) isolate UK 1 was compared with that of two other wildtype isolates CZE 1 and CDN 1. The isolates CZE 1 and CDN 1 are able to overcome the effect of the resistance gene
TuRB01 and at least three other resistance sources that are effective against UK 1. Comparisons were also made between the fitness of UK 1 and a recombinant virus with a single nucleotide change (v35Tunos +5570 A>G) conferring the ability to overcome
TuRB01 resistance. Co-inoculation experiments were carried out where pairs of isolates were serially passaged over 5 months in a plant line possessing no known resistance genes in order to examine the relative fitness of the isolates. In each case, UK 1 dominated the mixture in the susceptible host background. It out-competed CZE 1 and v35Tunos +5570 A>G within four passages, and CDN 1 after one passage. The greater fitness of UK 1 suggests that there may be a fitness cost to TuMV overcoming resistance genes of brassica crops. This may shed some light on the frequency of naturally occurring isolates, in that pathotype 1 isolates are found much more frequently than isolates of other pathotypes. Implications for the deployment of
TuRB01 are discussed. |
| doi_str_mv | 10.1016/S0168-1702(02)00031-X |
| format | Article |
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Turnip mosaic virus (TuMV) isolate UK 1 was compared with that of two other wildtype isolates CZE 1 and CDN 1. The isolates CZE 1 and CDN 1 are able to overcome the effect of the resistance gene
TuRB01 and at least three other resistance sources that are effective against UK 1. Comparisons were also made between the fitness of UK 1 and a recombinant virus with a single nucleotide change (v35Tunos +5570 A>G) conferring the ability to overcome
TuRB01 resistance. Co-inoculation experiments were carried out where pairs of isolates were serially passaged over 5 months in a plant line possessing no known resistance genes in order to examine the relative fitness of the isolates. In each case, UK 1 dominated the mixture in the susceptible host background. It out-competed CZE 1 and v35Tunos +5570 A>G within four passages, and CDN 1 after one passage. The greater fitness of UK 1 suggests that there may be a fitness cost to TuMV overcoming resistance genes of brassica crops. This may shed some light on the frequency of naturally occurring isolates, in that pathotype 1 isolates are found much more frequently than isolates of other pathotypes. Implications for the deployment of
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Turnip mosaic virus (TuMV) isolate UK 1 was compared with that of two other wildtype isolates CZE 1 and CDN 1. The isolates CZE 1 and CDN 1 are able to overcome the effect of the resistance gene
TuRB01 and at least three other resistance sources that are effective against UK 1. Comparisons were also made between the fitness of UK 1 and a recombinant virus with a single nucleotide change (v35Tunos +5570 A>G) conferring the ability to overcome
TuRB01 resistance. Co-inoculation experiments were carried out where pairs of isolates were serially passaged over 5 months in a plant line possessing no known resistance genes in order to examine the relative fitness of the isolates. In each case, UK 1 dominated the mixture in the susceptible host background. It out-competed CZE 1 and v35Tunos +5570 A>G within four passages, and CDN 1 after one passage. The greater fitness of UK 1 suggests that there may be a fitness cost to TuMV overcoming resistance genes of brassica crops. This may shed some light on the frequency of naturally occurring isolates, in that pathotype 1 isolates are found much more frequently than isolates of other pathotypes. Implications for the deployment of
TuRB01 are discussed.</description><subject>Avirulence</subject><subject>Brassica</subject><subject>Brassica napus - virology</subject><subject>Competition</subject><subject>Fitness</subject><subject>Genes, Plant</subject><subject>Genes, Viral</subject><subject>Plant Diseases - virology</subject><subject>Plant Leaves - virology</subject><subject>Point Mutation</subject><subject>Potyvirus</subject><subject>Potyvirus - classification</subject><subject>Potyvirus - genetics</subject><subject>Potyvirus - physiology</subject><subject>Recombination, Genetic</subject><subject>RNA, Viral</subject><subject>TuMV</subject><issn>0168-1702</issn><issn>1872-7492</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkF1LwzAUhoMobk5_gpIr0YtqkrZJeiVz-AUDL5ywu9AmpxhZm5m0A_-9qRt6OTicA-E5eQ8PQueU3FBC-e1bbDKhgrArwq4JISlNlgdoTKVgicgKdojGf8gInYTwGSGeCn6MRpQRwSXLxuh-imvbtRAC1i50uHYeL3rf2jVuXCitxhvr-4A7h90GvHYN4I8B9BBs6MpWwyk6qstVgLPdnKD3x4fF7DmZvz69zKbzROeUdPGOWsZ4IBUlWkpTscykPOWiLJhhsbGcm7rSZTys0FUV32uRppKWtSEyg3SCLrf_rr376iF0qrFBw2pVtuD6oASVOaEy2wtGJs9yXkQw34LauxA81GrtbVP6b0WJGiyrX8tqUKiGGiyrZdy72AX0VQPmf2unNQJ3WwCij40Fr4K2EF0Z60F3yji7J-IHS1OLvw</recordid><startdate>20020601</startdate><enddate>20020601</enddate><creator>Jenner, Carol E.</creator><creator>Wang, Xiaowu</creator><creator>Ponz, Fernando</creator><creator>Walsh, John A.</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U9</scope><scope>H94</scope><scope>7X8</scope></search><sort><creationdate>20020601</creationdate><title>A fitness cost for Turnip mosaic virus to overcome host resistance</title><author>Jenner, Carol E. ; Wang, Xiaowu ; Ponz, Fernando ; Walsh, John A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c510t-17f8637e0b10c88db24d36367a92d2a92256dfbca6829cbb7a9f73381afd084e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Avirulence</topic><topic>Brassica</topic><topic>Brassica napus - virology</topic><topic>Competition</topic><topic>Fitness</topic><topic>Genes, Plant</topic><topic>Genes, Viral</topic><topic>Plant Diseases - virology</topic><topic>Plant Leaves - virology</topic><topic>Point Mutation</topic><topic>Potyvirus</topic><topic>Potyvirus - classification</topic><topic>Potyvirus - genetics</topic><topic>Potyvirus - physiology</topic><topic>Recombination, Genetic</topic><topic>RNA, Viral</topic><topic>TuMV</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jenner, Carol E.</creatorcontrib><creatorcontrib>Wang, Xiaowu</creatorcontrib><creatorcontrib>Ponz, Fernando</creatorcontrib><creatorcontrib>Walsh, John A.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Virus research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jenner, Carol E.</au><au>Wang, Xiaowu</au><au>Ponz, Fernando</au><au>Walsh, John A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A fitness cost for Turnip mosaic virus to overcome host resistance</atitle><jtitle>Virus research</jtitle><addtitle>Virus Res</addtitle><date>2002-06-01</date><risdate>2002</risdate><volume>86</volume><issue>1</issue><spage>1</spage><epage>6</epage><pages>1-6</pages><issn>0168-1702</issn><eissn>1872-7492</eissn><abstract>The relative fitness of the
Turnip mosaic virus (TuMV) isolate UK 1 was compared with that of two other wildtype isolates CZE 1 and CDN 1. The isolates CZE 1 and CDN 1 are able to overcome the effect of the resistance gene
TuRB01 and at least three other resistance sources that are effective against UK 1. Comparisons were also made between the fitness of UK 1 and a recombinant virus with a single nucleotide change (v35Tunos +5570 A>G) conferring the ability to overcome
TuRB01 resistance. Co-inoculation experiments were carried out where pairs of isolates were serially passaged over 5 months in a plant line possessing no known resistance genes in order to examine the relative fitness of the isolates. In each case, UK 1 dominated the mixture in the susceptible host background. It out-competed CZE 1 and v35Tunos +5570 A>G within four passages, and CDN 1 after one passage. The greater fitness of UK 1 suggests that there may be a fitness cost to TuMV overcoming resistance genes of brassica crops. This may shed some light on the frequency of naturally occurring isolates, in that pathotype 1 isolates are found much more frequently than isolates of other pathotypes. Implications for the deployment of
TuRB01 are discussed.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>12076824</pmid><doi>10.1016/S0168-1702(02)00031-X</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Virus research, 2002-06, Vol.86 (1), p.1-6 |
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| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Avirulence Brassica Brassica napus - virology Competition Fitness Genes, Plant Genes, Viral Plant Diseases - virology Plant Leaves - virology Point Mutation Potyvirus Potyvirus - classification Potyvirus - genetics Potyvirus - physiology Recombination, Genetic RNA, Viral TuMV |
| title | A fitness cost for Turnip mosaic virus to overcome host resistance |
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