Rice Pi-ta gene confers resistance to the major pathotypes of the rice blast fungus in the United States
ABSTRACT The Pi-ta gene in rice prevents the infection by Magnaporthe grisea strains containing the AVR-Pita avirulence gene. The presence of Pi-ta in rice cultivars was correlated completely with resistance to two major pathotypes, IB-49 and IC-17, common in the U.S. blast pathogen population. The...
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| Veröffentlicht in: | Phytopathology 2004-03, Vol.94 (3), p.296-301 |
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| creator | YULIN JIA ZHONGHUA WANG FJELLSTROM, Robert G MOLDENHAUER, Karen A. K AZAM, Md A CORRELL, James LEE, Fleet N YINGWU XIA RUTGER, J. Neil |
| description | ABSTRACT The Pi-ta gene in rice prevents the infection by Magnaporthe grisea strains containing the AVR-Pita avirulence gene. The presence of Pi-ta in rice cultivars was correlated completely with resistance to two major pathotypes, IB-49 and IC-17, common in the U.S. blast pathogen population. The inheritance of resistance to IC-17 was investigated further using a marker for the resistant Pi-ta allele in an F(2) population of 1,345 progeny from a cross of cv. Katy with experimental line RU9101001 possessing and lacking, respectively, the Pi-ta resistance gene. Resistance to IC-17 was conferred by a single dominant gene and Pi-ta was not detected in susceptible individuals. A second F(2) population of 377 individuals from a reciprocal cross between Katy and RU9101001 was used to verify the conclusion that resistance to IC-17 was conferred by a single dominant gene. In this cross, individuals resistant to IC-17 also were resistant to IB-49. The presence of Pi-ta and resistance to IB-49 also was correlated with additional crosses between 'Kaybonnet' and 'M-204', which also possess and lack Pi-ta, respectively. A pair of primers that specifically amplified a susceptible pi-ta allele was developed to verify the absence of Pi-ta. We suggest that Pi-ta is responsible for resistance to IB-49 and IC-17 and that both races contain AVR-Pita genes. |
| doi_str_mv | 10.1094/phyto.2004.94.3.296 |
| format | Article |
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K ; AZAM, Md A ; CORRELL, James ; LEE, Fleet N ; YINGWU XIA ; RUTGER, J. Neil</creator><creatorcontrib>YULIN JIA ; ZHONGHUA WANG ; FJELLSTROM, Robert G ; MOLDENHAUER, Karen A. K ; AZAM, Md A ; CORRELL, James ; LEE, Fleet N ; YINGWU XIA ; RUTGER, J. Neil</creatorcontrib><description>ABSTRACT The Pi-ta gene in rice prevents the infection by Magnaporthe grisea strains containing the AVR-Pita avirulence gene. The presence of Pi-ta in rice cultivars was correlated completely with resistance to two major pathotypes, IB-49 and IC-17, common in the U.S. blast pathogen population. The inheritance of resistance to IC-17 was investigated further using a marker for the resistant Pi-ta allele in an F(2) population of 1,345 progeny from a cross of cv. Katy with experimental line RU9101001 possessing and lacking, respectively, the Pi-ta resistance gene. Resistance to IC-17 was conferred by a single dominant gene and Pi-ta was not detected in susceptible individuals. A second F(2) population of 377 individuals from a reciprocal cross between Katy and RU9101001 was used to verify the conclusion that resistance to IC-17 was conferred by a single dominant gene. In this cross, individuals resistant to IC-17 also were resistant to IB-49. The presence of Pi-ta and resistance to IB-49 also was correlated with additional crosses between 'Kaybonnet' and 'M-204', which also possess and lack Pi-ta, respectively. A pair of primers that specifically amplified a susceptible pi-ta allele was developed to verify the absence of Pi-ta. We suggest that Pi-ta is responsible for resistance to IB-49 and IC-17 and that both races contain AVR-Pita genes.</description><identifier>ISSN: 0031-949X</identifier><identifier>EISSN: 1943-7684</identifier><identifier>DOI: 10.1094/phyto.2004.94.3.296</identifier><identifier>PMID: 18943978</identifier><identifier>CODEN: PHYTAJ</identifier><language>eng</language><publisher>St. Paul, MN: American Phytopathological Society</publisher><subject>Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Magnaporthe grisea ; Oryza sativa ; Phytopathology. Animal pests. Plant and forest protection</subject><ispartof>Phytopathology, 2004-03, Vol.94 (3), p.296-301</ispartof><rights>2004 INIST-CNRS</rights><rights>Copyright American Phytopathological Society Mar 2004</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c501t-5b5f20df113f2b0a1f7f56268a6435a83e79c225cc22efe9a8bdcdcdcc9343023</citedby><cites>FETCH-LOGICAL-c501t-5b5f20df113f2b0a1f7f56268a6435a83e79c225cc22efe9a8bdcdcdcc9343023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3711,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15496938$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18943978$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>YULIN JIA</creatorcontrib><creatorcontrib>ZHONGHUA WANG</creatorcontrib><creatorcontrib>FJELLSTROM, Robert G</creatorcontrib><creatorcontrib>MOLDENHAUER, Karen A. K</creatorcontrib><creatorcontrib>AZAM, Md A</creatorcontrib><creatorcontrib>CORRELL, James</creatorcontrib><creatorcontrib>LEE, Fleet N</creatorcontrib><creatorcontrib>YINGWU XIA</creatorcontrib><creatorcontrib>RUTGER, J. Neil</creatorcontrib><title>Rice Pi-ta gene confers resistance to the major pathotypes of the rice blast fungus in the United States</title><title>Phytopathology</title><addtitle>Phytopathology</addtitle><description>ABSTRACT The Pi-ta gene in rice prevents the infection by Magnaporthe grisea strains containing the AVR-Pita avirulence gene. The presence of Pi-ta in rice cultivars was correlated completely with resistance to two major pathotypes, IB-49 and IC-17, common in the U.S. blast pathogen population. The inheritance of resistance to IC-17 was investigated further using a marker for the resistant Pi-ta allele in an F(2) population of 1,345 progeny from a cross of cv. Katy with experimental line RU9101001 possessing and lacking, respectively, the Pi-ta resistance gene. Resistance to IC-17 was conferred by a single dominant gene and Pi-ta was not detected in susceptible individuals. A second F(2) population of 377 individuals from a reciprocal cross between Katy and RU9101001 was used to verify the conclusion that resistance to IC-17 was conferred by a single dominant gene. In this cross, individuals resistant to IC-17 also were resistant to IB-49. The presence of Pi-ta and resistance to IB-49 also was correlated with additional crosses between 'Kaybonnet' and 'M-204', which also possess and lack Pi-ta, respectively. A pair of primers that specifically amplified a susceptible pi-ta allele was developed to verify the absence of Pi-ta. We suggest that Pi-ta is responsible for resistance to IB-49 and IC-17 and that both races contain AVR-Pita genes.</description><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Magnaporthe grisea</subject><subject>Oryza sativa</subject><subject>Phytopathology. Animal pests. 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The inheritance of resistance to IC-17 was investigated further using a marker for the resistant Pi-ta allele in an F(2) population of 1,345 progeny from a cross of cv. Katy with experimental line RU9101001 possessing and lacking, respectively, the Pi-ta resistance gene. Resistance to IC-17 was conferred by a single dominant gene and Pi-ta was not detected in susceptible individuals. A second F(2) population of 377 individuals from a reciprocal cross between Katy and RU9101001 was used to verify the conclusion that resistance to IC-17 was conferred by a single dominant gene. In this cross, individuals resistant to IC-17 also were resistant to IB-49. The presence of Pi-ta and resistance to IB-49 also was correlated with additional crosses between 'Kaybonnet' and 'M-204', which also possess and lack Pi-ta, respectively. A pair of primers that specifically amplified a susceptible pi-ta allele was developed to verify the absence of Pi-ta. We suggest that Pi-ta is responsible for resistance to IB-49 and IC-17 and that both races contain AVR-Pita genes.</abstract><cop>St. Paul, MN</cop><pub>American Phytopathological Society</pub><pmid>18943978</pmid><doi>10.1094/phyto.2004.94.3.296</doi><tpages>6</tpages><oa>free_for_read</oa></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 | Biological and medical sciences Fundamental and applied biological sciences. Psychology Magnaporthe grisea Oryza sativa Phytopathology. Animal pests. Plant and forest protection |
| title | Rice Pi-ta gene confers resistance to the major pathotypes of the rice blast fungus in the United States |
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