Rps8 maps to a resistance gene rich region on soybean molecular linkage group F

Phytophthora root and stem rot caused by Phytophthora sojae M.J. Kaufmann & J.W. Gerdemann is a serious disease of soybean [Glycine max (L.) Merr.] worldwide. Recently, a new locus for resistance to P. sojae, Rps8, was identified and mapped in two small soybean populations. The objective of this...

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Veröffentlicht in:Crop science 2006-01, Vol.46 (1), p.168-173
Hauptverfasser: Gordon, S.G, St Martin, S.K, Dorrance, A.E
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Dorrance, A.E
description Phytophthora root and stem rot caused by Phytophthora sojae M.J. Kaufmann & J.W. Gerdemann is a serious disease of soybean [Glycine max (L.) Merr.] worldwide. Recently, a new locus for resistance to P. sojae, Rps8, was identified and mapped in two small soybean populations. The objective of this study was to verify the genomic location of Rps8 in a larger population. One hundred thirty-eight F(2:3) families from a cross between 'Williams' (rps8/rps8) x PI 399073 (Rps8/Rps8) were genotyped by simple sequence repeat (SSR) and restriction fragment length polymorphism (RFLP) markers. From this set of families, 138 and 69 were phenotyped with P. sojae races 1 and 25, respectively. The segregation ratio for each race fit a 3:1 resistant:susceptible, confirming that Rps8 segregated as a single dominant gene. On the basis of linkage analysis with SSR and RFLP markers, Rps8 was located on molecular linkage group F in this population. This region of the soybean genome contains numerous other resistance gene loci as well as pathogen and pest resistance QTL.
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Kaufmann &amp; J.W. Gerdemann is a serious disease of soybean [Glycine max (L.) Merr.] worldwide. Recently, a new locus for resistance to P. sojae, Rps8, was identified and mapped in two small soybean populations. The objective of this study was to verify the genomic location of Rps8 in a larger population. One hundred thirty-eight F(2:3) families from a cross between 'Williams' (rps8/rps8) x PI 399073 (Rps8/Rps8) were genotyped by simple sequence repeat (SSR) and restriction fragment length polymorphism (RFLP) markers. From this set of families, 138 and 69 were phenotyped with P. sojae races 1 and 25, respectively. The segregation ratio for each race fit a 3:1 resistant:susceptible, confirming that Rps8 segregated as a single dominant gene. On the basis of linkage analysis with SSR and RFLP markers, Rps8 was located on molecular linkage group F in this population. This region of the soybean genome contains numerous other resistance gene loci as well as pathogen and pest resistance QTL.</description><identifier>ISSN: 0011-183X</identifier><identifier>EISSN: 1435-0653</identifier><identifier>DOI: 10.2135/cropsci2004.04-0024</identifier><identifier>CODEN: CRPSAY</identifier><language>eng</language><publisher>Madison, WI: The Crop Science Society of America, Inc</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; chromosome mapping ; Control ; Crop science ; Disease ; disease resistance ; Diseases ; Environmental aspects ; Fundamental and applied biological sciences. Psychology ; Gene loci ; gene segregation ; genes ; Genetic aspects ; genetic markers ; genetic resistance ; Genetics and breeding of economic plants ; Genotype &amp; phenotype ; Glycine max ; linkage (genetics) ; linkage groups ; loci ; microsatellite repeats ; Pest resistance ; phenotype ; Phytophthora ; Phytophthora diseases ; Phytophthora sojae ; plant pathogenic fungi ; Plant pathogens ; Plant pathology ; restriction fragment length polymorphism ; root rot ; Soybean ; Soybeans ; stem rot ; Varietal selection. Specialized plant breeding, plant breeding aims</subject><ispartof>Crop science, 2006-01, Vol.46 (1), p.168-173</ispartof><rights>Crop Science Society of America</rights><rights>2006 INIST-CNRS</rights><rights>COPYRIGHT 2006 Crop Science Society of America</rights><rights>Copyright American Society of Agronomy Jan/Feb 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2135%2Fcropsci2004.04-0024$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2135%2Fcropsci2004.04-0024$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=17492223$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Gordon, S.G</creatorcontrib><creatorcontrib>St Martin, S.K</creatorcontrib><creatorcontrib>Dorrance, A.E</creatorcontrib><title>Rps8 maps to a resistance gene rich region on soybean molecular linkage group F</title><title>Crop science</title><description>Phytophthora root and stem rot caused by Phytophthora sojae M.J. Kaufmann &amp; J.W. Gerdemann is a serious disease of soybean [Glycine max (L.) Merr.] worldwide. Recently, a new locus for resistance to P. sojae, Rps8, was identified and mapped in two small soybean populations. The objective of this study was to verify the genomic location of Rps8 in a larger population. One hundred thirty-eight F(2:3) families from a cross between 'Williams' (rps8/rps8) x PI 399073 (Rps8/Rps8) were genotyped by simple sequence repeat (SSR) and restriction fragment length polymorphism (RFLP) markers. From this set of families, 138 and 69 were phenotyped with P. sojae races 1 and 25, respectively. The segregation ratio for each race fit a 3:1 resistant:susceptible, confirming that Rps8 segregated as a single dominant gene. On the basis of linkage analysis with SSR and RFLP markers, Rps8 was located on molecular linkage group F in this population. This region of the soybean genome contains numerous other resistance gene loci as well as pathogen and pest resistance QTL.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>chromosome mapping</subject><subject>Control</subject><subject>Crop science</subject><subject>Disease</subject><subject>disease resistance</subject><subject>Diseases</subject><subject>Environmental aspects</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene loci</subject><subject>gene segregation</subject><subject>genes</subject><subject>Genetic aspects</subject><subject>genetic markers</subject><subject>genetic resistance</subject><subject>Genetics and breeding of economic plants</subject><subject>Genotype &amp; phenotype</subject><subject>Glycine max</subject><subject>linkage (genetics)</subject><subject>linkage groups</subject><subject>loci</subject><subject>microsatellite repeats</subject><subject>Pest resistance</subject><subject>phenotype</subject><subject>Phytophthora</subject><subject>Phytophthora diseases</subject><subject>Phytophthora sojae</subject><subject>plant pathogenic fungi</subject><subject>Plant pathogens</subject><subject>Plant pathology</subject><subject>restriction fragment length polymorphism</subject><subject>root rot</subject><subject>Soybean</subject><subject>Soybeans</subject><subject>stem rot</subject><subject>Varietal selection. 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Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>chromosome mapping</topic><topic>Control</topic><topic>Crop science</topic><topic>Disease</topic><topic>disease resistance</topic><topic>Diseases</topic><topic>Environmental aspects</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene loci</topic><topic>gene segregation</topic><topic>genes</topic><topic>Genetic aspects</topic><topic>genetic markers</topic><topic>genetic resistance</topic><topic>Genetics and breeding of economic plants</topic><topic>Genotype &amp; phenotype</topic><topic>Glycine max</topic><topic>linkage (genetics)</topic><topic>linkage groups</topic><topic>loci</topic><topic>microsatellite repeats</topic><topic>Pest resistance</topic><topic>phenotype</topic><topic>Phytophthora</topic><topic>Phytophthora diseases</topic><topic>Phytophthora sojae</topic><topic>plant pathogenic fungi</topic><topic>Plant pathogens</topic><topic>Plant pathology</topic><topic>restriction fragment length polymorphism</topic><topic>root rot</topic><topic>Soybean</topic><topic>Soybeans</topic><topic>stem rot</topic><topic>Varietal selection. 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Kaufmann &amp; J.W. Gerdemann is a serious disease of soybean [Glycine max (L.) Merr.] worldwide. Recently, a new locus for resistance to P. sojae, Rps8, was identified and mapped in two small soybean populations. The objective of this study was to verify the genomic location of Rps8 in a larger population. One hundred thirty-eight F(2:3) families from a cross between 'Williams' (rps8/rps8) x PI 399073 (Rps8/Rps8) were genotyped by simple sequence repeat (SSR) and restriction fragment length polymorphism (RFLP) markers. From this set of families, 138 and 69 were phenotyped with P. sojae races 1 and 25, respectively. The segregation ratio for each race fit a 3:1 resistant:susceptible, confirming that Rps8 segregated as a single dominant gene. On the basis of linkage analysis with SSR and RFLP markers, Rps8 was located on molecular linkage group F in this population. This region of the soybean genome contains numerous other resistance gene loci as well as pathogen and pest resistance QTL.</abstract><cop>Madison, WI</cop><pub>The Crop Science Society of America, Inc</pub><doi>10.2135/cropsci2004.04-0024</doi><tpages>6</tpages></addata></record>
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subjects Agronomy. Soil science and plant productions
Biological and medical sciences
chromosome mapping
Control
Crop science
Disease
disease resistance
Diseases
Environmental aspects
Fundamental and applied biological sciences. Psychology
Gene loci
gene segregation
genes
Genetic aspects
genetic markers
genetic resistance
Genetics and breeding of economic plants
Genotype & phenotype
Glycine max
linkage (genetics)
linkage groups
loci
microsatellite repeats
Pest resistance
phenotype
Phytophthora
Phytophthora diseases
Phytophthora sojae
plant pathogenic fungi
Plant pathogens
Plant pathology
restriction fragment length polymorphism
root rot
Soybean
Soybeans
stem rot
Varietal selection. Specialized plant breeding, plant breeding aims
title Rps8 maps to a resistance gene rich region on soybean molecular linkage group F
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