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Article: Nucleotide polymorphisms in OsAGP genes and their possible association with grain weight of rice

TitleNucleotide polymorphisms in OsAGP genes and their possible association with grain weight of rice
Authors
KeywordsADP-Glucose pyrophosphorylase
Grain yield
Rice
Starch
Issue Date2012
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jcs
Citation
Journal Of Cereal Science, 2012, v. 55 n. 3, p. 312-317 How to Cite?
AbstractADP-Glucose pyrophosphorylase (AGPase) is a rate-limiting enzyme participating in starch biosynthesis, which may be responsible for the filling rate and starch accumulation in the developing rice kernel. However, it is still unknown whether the naturally occurring variation in the sequence of ADP-Glucose pyrophosphorylase of rice (OsAGP) is related to the grain weight (GW). In this study, we discovered a total of 38 single nucleotide polymorphisms (SNPs) and insertions/deletions (InDels) in the partial sequences of six OsAGP isoform genes from 30 rice accessions with diverse agronomic traits. We then developed ten cleaved amplified polymorphic sequence (CAPS) and derived CAPS (dCAPS) markers for genotyping the SNPs and InDels for an association mapping population consisting of 416 rice accessions. Candidate gene association study indicated that an InDel of OsAGPL4 was associated with GW in two environments and an SNP of OsAGPL2 was associated with GW in one environment. Each gene marker only explained 1% of the variation of GW, thus it could be concluded that both genes contributed little to GW of rice. However, the markers identified in this study could be used for tagging other traits of interests and in molecular breeding. © 2012 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/165952
ISSN
2015 Impact Factor: 2.402
2015 SCImago Journal Rankings: 1.265
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorBao, Jen_HK
dc.contributor.authorLu, Yen_HK
dc.contributor.authorYang, Fen_HK
dc.contributor.authorZhang, Gen_HK
dc.contributor.authorShao, Yen_HK
dc.contributor.authorCorke, Hen_HK
dc.contributor.authorSun, Men_HK
dc.date.accessioned2012-09-20T08:25:47Z-
dc.date.available2012-09-20T08:25:47Z-
dc.date.issued2012en_HK
dc.identifier.citationJournal Of Cereal Science, 2012, v. 55 n. 3, p. 312-317en_HK
dc.identifier.issn0733-5210en_HK
dc.identifier.urihttp://hdl.handle.net/10722/165952-
dc.description.abstractADP-Glucose pyrophosphorylase (AGPase) is a rate-limiting enzyme participating in starch biosynthesis, which may be responsible for the filling rate and starch accumulation in the developing rice kernel. However, it is still unknown whether the naturally occurring variation in the sequence of ADP-Glucose pyrophosphorylase of rice (OsAGP) is related to the grain weight (GW). In this study, we discovered a total of 38 single nucleotide polymorphisms (SNPs) and insertions/deletions (InDels) in the partial sequences of six OsAGP isoform genes from 30 rice accessions with diverse agronomic traits. We then developed ten cleaved amplified polymorphic sequence (CAPS) and derived CAPS (dCAPS) markers for genotyping the SNPs and InDels for an association mapping population consisting of 416 rice accessions. Candidate gene association study indicated that an InDel of OsAGPL4 was associated with GW in two environments and an SNP of OsAGPL2 was associated with GW in one environment. Each gene marker only explained 1% of the variation of GW, thus it could be concluded that both genes contributed little to GW of rice. However, the markers identified in this study could be used for tagging other traits of interests and in molecular breeding. © 2012 Elsevier Ltd.en_HK
dc.languageengen_US
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jcsen_HK
dc.relation.ispartofJournal of Cereal Scienceen_HK
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in <Journal title>. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PUBLICATION, [VOL#, ISSUE#, (DATE)] DOI#en_US
dc.subjectADP-Glucose pyrophosphorylaseen_HK
dc.subjectGrain yielden_HK
dc.subjectRiceen_HK
dc.subjectStarchen_HK
dc.titleNucleotide polymorphisms in OsAGP genes and their possible association with grain weight of riceen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-5210&volume=55&spage=312&epage=317&date=2012&atitle=Nucleotide+polymorphisms+in+OsAGP+genes+and+their+possible+association+with+grain+weight+of+riceen_US
dc.identifier.emailCorke, H: harold@hku.hken_HK
dc.identifier.authorityCorke, H=rp00688en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jcs.2012.01.001en_HK
dc.identifier.scopuseid_2-s2.0-84862817024en_HK
dc.identifier.hkuros209468en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84862817024&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume55en_HK
dc.identifier.issue3en_HK
dc.identifier.spage312en_HK
dc.identifier.epage317en_HK
dc.identifier.isiWOS:000304078300009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridBao, J=7201398486en_HK
dc.identifier.scopusauthoridLu, Y=35180149300en_HK
dc.identifier.scopusauthoridYang, F=55261659600en_HK
dc.identifier.scopusauthoridZhang, G=35209325500en_HK
dc.identifier.scopusauthoridShao, Y=35735011100en_HK
dc.identifier.scopusauthoridCorke, H=7007102942en_HK
dc.identifier.scopusauthoridSun, M=55447010800en_HK
dc.identifier.citeulike10316218-

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