Ageratum yellow vein China virus Is a Distinct Begomovirus Species Associated with a DNAbeta Molecule
Ageratum conyzoides plants exhibiting yellow vein symptoms, collected near Haikou, Hainan Province, China, contained begomoviral DNA-A-like molecules. The complete sequences of the molecules from two samples, Hn2 and Hn2-19, were shown to consist of 2,768 and 2,748 nucelotides (nt), respectively. Th...
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| Veröffentlicht in: | Phytopathology 2007-04, Vol.97 (4), p.405-411 |
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| creator | Xiong, Q Fan, S Wu, J Zhou, X |
| description | Ageratum conyzoides plants exhibiting yellow vein symptoms, collected near Haikou, Hainan Province, China, contained begomoviral DNA-A-like molecules. The complete sequences of the molecules from two samples, Hn2 and Hn2-19, were shown to consist of 2,768 and 2,748 nucelotides (nt), respectively. These sequences have more than 97% nucleotide sequence identity, but less than 86% identity with other reported begomovirus sequences. In line with the taxonomic convention for begomoviruses, Hn2 and Hn2-19 are therefore considered to represent isolates of a distinct begomovirus species, for which the name Ageratum yellow vein China virus (AYVCNV) is proposed. Sequence alignment shows AYVCNV has arisen by recombination among viruses related to Ageratum yellow vein virus, Papaya leaf curl China virus, and an unidentified begomovirus. Southern blot analyses revealed that all plants sampled contained molecules resembling DNAbeta. DNAbeta molecules from three samples were 1,323 or 1,324 nt long and had >98% sequence identity but |
| doi_str_mv | 10.1094/PHYTO-97-4-0405 |
| format | Article |
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The complete sequences of the molecules from two samples, Hn2 and Hn2-19, were shown to consist of 2,768 and 2,748 nucelotides (nt), respectively. These sequences have more than 97% nucleotide sequence identity, but less than 86% identity with other reported begomovirus sequences. In line with the taxonomic convention for begomoviruses, Hn2 and Hn2-19 are therefore considered to represent isolates of a distinct begomovirus species, for which the name Ageratum yellow vein China virus (AYVCNV) is proposed. Sequence alignment shows AYVCNV has arisen by recombination among viruses related to Ageratum yellow vein virus, Papaya leaf curl China virus, and an unidentified begomovirus. Southern blot analyses revealed that all plants sampled contained molecules resembling DNAbeta. DNAbeta molecules from three samples were 1,323 or 1,324 nt long and had >98% sequence identity but <81% identity with previously reported DNAbeta sequences. Infectious clones of Hn2 and its associated DNAbeta were constructed and agroinoculated to plants. Hn2 alone caused sporadic asymptomatic systemic infection of Nicotiana benthamiana, N. glutinosa, Lycopersicon esculentum, Petunia hybrida, and A. conyzoides but its accumulation was much enhanced in plants co-inoculated with DNAbeta. The co-inoculated N. benthamiana, N. glutinosa, P. hybrida, and L. esculentum plants developed leaf curling or leaf crinkling symptom; those in A. conyzoides were typical of ageratum yellow vein disease. When the DNAbeta molecules associated with four other Chinese begomoviruses were coinoculated with Hn2 to N. benthamiana and N. glutinosa, the DNAbeta molecules were replicated, and the plants developed systemic symptoms of types that were specific for each DNAbeta. This illustrates that there is less specific interaction between monopartite begomovirus and DNAbeta than between the DNA-A and DNA-B of begomoviruses with bipartite genomes.</description><identifier>ISSN: 0031-949X</identifier><identifier>EISSN: 1943-7684</identifier><identifier>DOI: 10.1094/PHYTO-97-4-0405</identifier><identifier>PMID: 18943280</identifier><language>eng</language><publisher>United States</publisher><subject>Ageratum conyzoides ; Ageratum yellow vein virus ; DNA fingerprinting ; molecular sequence data ; nucleotide sequences ; pathogenicity ; signs and symptoms (plants)</subject><ispartof>Phytopathology, 2007-04, Vol.97 (4), p.405-411</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18943280$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xiong, Q</creatorcontrib><creatorcontrib>Fan, S</creatorcontrib><creatorcontrib>Wu, J</creatorcontrib><creatorcontrib>Zhou, X</creatorcontrib><title>Ageratum yellow vein China virus Is a Distinct Begomovirus Species Associated with a DNAbeta Molecule</title><title>Phytopathology</title><addtitle>Phytopathology</addtitle><description>Ageratum conyzoides plants exhibiting yellow vein symptoms, collected near Haikou, Hainan Province, China, contained begomoviral DNA-A-like molecules. The complete sequences of the molecules from two samples, Hn2 and Hn2-19, were shown to consist of 2,768 and 2,748 nucelotides (nt), respectively. These sequences have more than 97% nucleotide sequence identity, but less than 86% identity with other reported begomovirus sequences. In line with the taxonomic convention for begomoviruses, Hn2 and Hn2-19 are therefore considered to represent isolates of a distinct begomovirus species, for which the name Ageratum yellow vein China virus (AYVCNV) is proposed. Sequence alignment shows AYVCNV has arisen by recombination among viruses related to Ageratum yellow vein virus, Papaya leaf curl China virus, and an unidentified begomovirus. Southern blot analyses revealed that all plants sampled contained molecules resembling DNAbeta. DNAbeta molecules from three samples were 1,323 or 1,324 nt long and had >98% sequence identity but <81% identity with previously reported DNAbeta sequences. Infectious clones of Hn2 and its associated DNAbeta were constructed and agroinoculated to plants. Hn2 alone caused sporadic asymptomatic systemic infection of Nicotiana benthamiana, N. glutinosa, Lycopersicon esculentum, Petunia hybrida, and A. conyzoides but its accumulation was much enhanced in plants co-inoculated with DNAbeta. The co-inoculated N. benthamiana, N. glutinosa, P. hybrida, and L. esculentum plants developed leaf curling or leaf crinkling symptom; those in A. conyzoides were typical of ageratum yellow vein disease. When the DNAbeta molecules associated with four other Chinese begomoviruses were coinoculated with Hn2 to N. benthamiana and N. glutinosa, the DNAbeta molecules were replicated, and the plants developed systemic symptoms of types that were specific for each DNAbeta. This illustrates that there is less specific interaction between monopartite begomovirus and DNAbeta than between the DNA-A and DNA-B of begomoviruses with bipartite genomes.</description><subject>Ageratum conyzoides</subject><subject>Ageratum yellow vein virus</subject><subject>DNA fingerprinting</subject><subject>molecular sequence data</subject><subject>nucleotide sequences</subject><subject>pathogenicity</subject><subject>signs and symptoms (plants)</subject><issn>0031-949X</issn><issn>1943-7684</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNo10L1PwzAQBXALgaAUZjbwxhS42E5sj6V8FAkoUosEU-Q452KUNCVOqPrfE9Qy3XA_Pek9Qs5iuIpBi-vXycd8GmkZiQgEJHtkEGvBI5kqsU8GADyOtNDvR-Q4hC8AkCpJD8lRrHrFFAwIjhbYmLar6AbLsl7TH_RLOv70S0N_fNMF-hioobc-tH5pW3qDi7qqt5_ZCq3HQEch1NabFgu69u3nH38Z5dga-lyXaLsST8iBM2XA090dkvn93Xw8iZ6mD4_j0VPkpIaIm0Rwa5lLrSwUMOkgsWlqVaoLtLmz0iVCJSpnyGImmOm7Fog2kU44nUs-JJfb2FVTf3cY2qzywfa9zBLrLmSScylSzaCX5zvZ5RUW2arxlWk22f8wPbjYAmfqzCwaH7K3GYOYAyiQ_Y78F6uzbvY</recordid><startdate>200704</startdate><enddate>200704</enddate><creator>Xiong, Q</creator><creator>Fan, S</creator><creator>Wu, J</creator><creator>Zhou, X</creator><scope>FBQ</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>200704</creationdate><title>Ageratum yellow vein China virus Is a Distinct Begomovirus Species Associated with a DNAbeta Molecule</title><author>Xiong, Q ; Fan, S ; Wu, J ; Zhou, X</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f790-3a543cc2f6c7d8027f05c66c869decbfc7f54858b2e21242a194deec57f4f9b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Ageratum conyzoides</topic><topic>Ageratum yellow vein virus</topic><topic>DNA fingerprinting</topic><topic>molecular sequence data</topic><topic>nucleotide sequences</topic><topic>pathogenicity</topic><topic>signs and symptoms (plants)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiong, Q</creatorcontrib><creatorcontrib>Fan, S</creatorcontrib><creatorcontrib>Wu, J</creatorcontrib><creatorcontrib>Zhou, X</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Phytopathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xiong, Q</au><au>Fan, S</au><au>Wu, J</au><au>Zhou, X</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ageratum yellow vein China virus Is a Distinct Begomovirus Species Associated with a DNAbeta Molecule</atitle><jtitle>Phytopathology</jtitle><addtitle>Phytopathology</addtitle><date>2007-04</date><risdate>2007</risdate><volume>97</volume><issue>4</issue><spage>405</spage><epage>411</epage><pages>405-411</pages><issn>0031-949X</issn><eissn>1943-7684</eissn><abstract>Ageratum conyzoides plants exhibiting yellow vein symptoms, collected near Haikou, Hainan Province, China, contained begomoviral DNA-A-like molecules. The complete sequences of the molecules from two samples, Hn2 and Hn2-19, were shown to consist of 2,768 and 2,748 nucelotides (nt), respectively. These sequences have more than 97% nucleotide sequence identity, but less than 86% identity with other reported begomovirus sequences. In line with the taxonomic convention for begomoviruses, Hn2 and Hn2-19 are therefore considered to represent isolates of a distinct begomovirus species, for which the name Ageratum yellow vein China virus (AYVCNV) is proposed. Sequence alignment shows AYVCNV has arisen by recombination among viruses related to Ageratum yellow vein virus, Papaya leaf curl China virus, and an unidentified begomovirus. Southern blot analyses revealed that all plants sampled contained molecules resembling DNAbeta. DNAbeta molecules from three samples were 1,323 or 1,324 nt long and had >98% sequence identity but <81% identity with previously reported DNAbeta sequences. Infectious clones of Hn2 and its associated DNAbeta were constructed and agroinoculated to plants. Hn2 alone caused sporadic asymptomatic systemic infection of Nicotiana benthamiana, N. glutinosa, Lycopersicon esculentum, Petunia hybrida, and A. conyzoides but its accumulation was much enhanced in plants co-inoculated with DNAbeta. The co-inoculated N. benthamiana, N. glutinosa, P. hybrida, and L. esculentum plants developed leaf curling or leaf crinkling symptom; those in A. conyzoides were typical of ageratum yellow vein disease. When the DNAbeta molecules associated with four other Chinese begomoviruses were coinoculated with Hn2 to N. benthamiana and N. glutinosa, the DNAbeta molecules were replicated, and the plants developed systemic symptoms of types that were specific for each DNAbeta. This illustrates that there is less specific interaction between monopartite begomovirus and DNAbeta than between the DNA-A and DNA-B of begomoviruses with bipartite genomes.</abstract><cop>United States</cop><pmid>18943280</pmid><doi>10.1094/PHYTO-97-4-0405</doi><tpages>7</tpages></addata></record> |
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| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection; American Phytopathological Society Journal Back Issues |
| subjects | Ageratum conyzoides Ageratum yellow vein virus DNA fingerprinting molecular sequence data nucleotide sequences pathogenicity signs and symptoms (plants) |
| title | Ageratum yellow vein China virus Is a Distinct Begomovirus Species Associated with a DNAbeta Molecule |
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