Quantitative trait locus mapping of soybean maturity gene E5

Time to flowering and maturity in soybean is controlled by loci E1 to E5, and E7 to E9. These loci were assigned to molecular linkage groups (MLGs) except for E5. This study was conducted to map the E5 locus using F2 populations expected to segregate for E5. F2 populations were subjected to quantita...

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Veröffentlicht in:Breeding science. - 1998. - 66(2016), 3 vom: 26. Juni, Seite 407-15
1. Verfasser: Dissanayaka, Auchithya (VerfasserIn)
Weitere Verfasser: Rodriguez, Tito O, Di, Shaokang, Yan, Fan, Githiri, Stephen M, Rodas, Felipe Rojas, Abe, Jun, Takahashi, Ryoji
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article E5 gene QTL mapping maturity gene soybean
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520 |a Time to flowering and maturity in soybean is controlled by loci E1 to E5, and E7 to E9. These loci were assigned to molecular linkage groups (MLGs) except for E5. This study was conducted to map the E5 locus using F2 populations expected to segregate for E5. F2 populations were subjected to quantitative trait locus (QTL) analysis for days to flowering (DF) and maturity (DM). In Harosoy-E5 × Clark-e2 population, QTLs for DF and DM were found at a similar position with E2. In Harosoy × Clark-e2E5 population, QTLs for DF and DM were found in MLG D1a and B1, respectively. In Harosoy-E5Dt2 × Clark-e2 population, a QTL for DF was found in MLG B1. Thus, results from these populations were not fully consistent, and no candidate QTL for E5 was found. In Harosoy × PI 80837 population, from which E5 was originally identified, QTLs corresponding to E1 and E3 were found, but none for E5 existed. Harosoy and PI 80837 had the e2-ns allele whereas Harosoy-E5 had the E2-dl allele. The E2-dl allele of Harosoy-E5 may have been generated by outcrossing and may be responsible for the lateness of Harosoy-E5. We conclude that a unique E5 gene may not exist 
650 4 |a Journal Article 
650 4 |a E5 gene 
650 4 |a QTL mapping 
650 4 |a maturity gene 
650 4 |a soybean 
700 1 |a Rodriguez, Tito O  |e verfasserin  |4 aut 
700 1 |a Di, Shaokang  |e verfasserin  |4 aut 
700 1 |a Yan, Fan  |e verfasserin  |4 aut 
700 1 |a Githiri, Stephen M  |e verfasserin  |4 aut 
700 1 |a Rodas, Felipe Rojas  |e verfasserin  |4 aut 
700 1 |a Abe, Jun  |e verfasserin  |4 aut 
700 1 |a Takahashi, Ryoji  |e verfasserin  |4 aut 
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773 1 8 |g volume:66  |g year:2016  |g number:3  |g day:26  |g month:06  |g pages:407-15 
856 4 0 |u http://dx.doi.org/10.1270/jsbbs.15160  |3 Volltext 
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