ABNORMAL FLOWER AND GRAIN 1 encodes OsMADS6 and determines palea identity and affects rice grain yield and quality
The palea and lemma are floral organ structures unique to grasses; these structures form the hull and directly affect grain size and quality. However, the molecular mechanisms controlling the development of the hull are not well understood. In this study, we characterized the rice ( Oryza sativa ) a...
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| Veröffentlicht in: | Science China. Life sciences 2020-02, Vol.63 (2), p.228-238 |
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| creator | Yu, Xiaoqi Xia, Saisai Xu, Qiankun Cui, Yuanjiang Gong, Ming Zeng, Dali Zhang, Qiang Shen, Lan Jiao, Guiai Gao, Zhenyu Hu, Jiang Zhang, Guangheng Zhu, Li Guo, Longbiao Ren, Deyong Qian, Qian |
| description | The palea and lemma are floral organ structures unique to grasses; these structures form the hull and directly affect grain size and quality. However, the molecular mechanisms controlling the development of the hull are not well understood. In this study, we characterized the rice (
Oryza sativa
)
abnormal flower and grain1
(
afg1
) mutant, a new allele of
OsMADS6
. Similar to previously characterized
osmads6
alleles, in the
afg1
floret, the palea lost its marginal region and acquired the lemma identity. However, in contrast to other
osmads6
alleles, the
afg1
mutant showed altered grain size and grain quality, with decreased total starch and amylose contents, and increased protein and soluble sugar contents. The analysis of transcriptional activity suggested that
AFG1
is a transcriptional activator and may affect grain size by regulating the expression levels of several genes related to cell expansion and proliferation in the
afg1
mutant. These results revealed that
AFG1
plays an important role in determining palea identity and affecting grain yield and quality in rice. |
| doi_str_mv | 10.1007/s11427-019-1593-0 |
| format | Article |
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Oryza sativa
)
abnormal flower and grain1
(
afg1
) mutant, a new allele of
OsMADS6
. Similar to previously characterized
osmads6
alleles, in the
afg1
floret, the palea lost its marginal region and acquired the lemma identity. However, in contrast to other
osmads6
alleles, the
afg1
mutant showed altered grain size and grain quality, with decreased total starch and amylose contents, and increased protein and soluble sugar contents. The analysis of transcriptional activity suggested that
AFG1
is a transcriptional activator and may affect grain size by regulating the expression levels of several genes related to cell expansion and proliferation in the
afg1
mutant. These results revealed that
AFG1
plays an important role in determining palea identity and affecting grain yield and quality in rice.</description><identifier>ISSN: 1674-7305</identifier><identifier>EISSN: 1869-1889</identifier><identifier>DOI: 10.1007/s11427-019-1593-0</identifier><identifier>PMID: 31919631</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Alleles ; Amylose ; Biomedical and Life Sciences ; Grain size ; Life Sciences ; Molecular modelling ; Mutants ; Oryza sativa ; Research Paper ; Rice ; Starch ; Transcription</subject><ispartof>Science China. Life sciences, 2020-02, Vol.63 (2), p.228-238</ispartof><rights>Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>2020© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-294f33ecf21e203c42276d4796921558751fce5a2f08093d436d076184d0079a3</citedby><cites>FETCH-LOGICAL-c415t-294f33ecf21e203c42276d4796921558751fce5a2f08093d436d076184d0079a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11427-019-1593-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11427-019-1593-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31919631$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yu, Xiaoqi</creatorcontrib><creatorcontrib>Xia, Saisai</creatorcontrib><creatorcontrib>Xu, Qiankun</creatorcontrib><creatorcontrib>Cui, Yuanjiang</creatorcontrib><creatorcontrib>Gong, Ming</creatorcontrib><creatorcontrib>Zeng, Dali</creatorcontrib><creatorcontrib>Zhang, Qiang</creatorcontrib><creatorcontrib>Shen, Lan</creatorcontrib><creatorcontrib>Jiao, Guiai</creatorcontrib><creatorcontrib>Gao, Zhenyu</creatorcontrib><creatorcontrib>Hu, Jiang</creatorcontrib><creatorcontrib>Zhang, Guangheng</creatorcontrib><creatorcontrib>Zhu, Li</creatorcontrib><creatorcontrib>Guo, Longbiao</creatorcontrib><creatorcontrib>Ren, Deyong</creatorcontrib><creatorcontrib>Qian, Qian</creatorcontrib><title>ABNORMAL FLOWER AND GRAIN 1 encodes OsMADS6 and determines palea identity and affects rice grain yield and quality</title><title>Science China. Life sciences</title><addtitle>Sci. China Life Sci</addtitle><addtitle>Sci China Life Sci</addtitle><description>The palea and lemma are floral organ structures unique to grasses; these structures form the hull and directly affect grain size and quality. However, the molecular mechanisms controlling the development of the hull are not well understood. In this study, we characterized the rice (
Oryza sativa
)
abnormal flower and grain1
(
afg1
) mutant, a new allele of
OsMADS6
. Similar to previously characterized
osmads6
alleles, in the
afg1
floret, the palea lost its marginal region and acquired the lemma identity. However, in contrast to other
osmads6
alleles, the
afg1
mutant showed altered grain size and grain quality, with decreased total starch and amylose contents, and increased protein and soluble sugar contents. The analysis of transcriptional activity suggested that
AFG1
is a transcriptional activator and may affect grain size by regulating the expression levels of several genes related to cell expansion and proliferation in the
afg1
mutant. These results revealed that
AFG1
plays an important role in determining palea identity and affecting grain yield and quality in rice.</description><subject>Alleles</subject><subject>Amylose</subject><subject>Biomedical and Life Sciences</subject><subject>Grain size</subject><subject>Life Sciences</subject><subject>Molecular modelling</subject><subject>Mutants</subject><subject>Oryza sativa</subject><subject>Research Paper</subject><subject>Rice</subject><subject>Starch</subject><subject>Transcription</subject><issn>1674-7305</issn><issn>1869-1889</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kU9PJCEQxclGsxr1A-zFkOzFS68U0NAce_2fjDPJqNkjYaHatOnpHqH7MN9-0XE1MZELUO9XjwqPkB_AfgFj-jQBSK4LBqaA0oiCfSP7UKl8qyqzk89Ky0ILVu6Ro5SeWF5CMK71d7InwIBRAvZJrH_PF8vbekYvZ4s_F0taz8_p1bK-mVOg2PshYKKLdFuf3ynq-kADjhhXbZ_La9eho23AfmzHzavqmgb9mGhsPdLH6Nqeblrswqv4PLkug4dkt3FdwqO3_YA8XF7cn10Xs8XVzVk9K7yEciy4kY0Q6BsOyJnwknOtgtRGGQ5lWekSGo-l4w2rmBFBChWYVlDJkL_HOHFATra-6zg8T5hGu2qTx65zPQ5TslwIxaXilcjoz0_o0zDFPk-XKSm5AqNVpmBL-TikFLGx69iuXNxYYPYlE7vNxOZM7EsmluWe4zfn6e8Kw3vH_wQywLdAylL_iPHj6a9d_wGzvJF3</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Yu, Xiaoqi</creator><creator>Xia, Saisai</creator><creator>Xu, Qiankun</creator><creator>Cui, Yuanjiang</creator><creator>Gong, Ming</creator><creator>Zeng, Dali</creator><creator>Zhang, Qiang</creator><creator>Shen, Lan</creator><creator>Jiao, Guiai</creator><creator>Gao, Zhenyu</creator><creator>Hu, Jiang</creator><creator>Zhang, Guangheng</creator><creator>Zhu, Li</creator><creator>Guo, Longbiao</creator><creator>Ren, Deyong</creator><creator>Qian, Qian</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7TK</scope><scope>7U9</scope><scope>H94</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>20200201</creationdate><title>ABNORMAL FLOWER AND GRAIN 1 encodes OsMADS6 and determines palea identity and affects rice grain yield and quality</title><author>Yu, Xiaoqi ; Xia, Saisai ; Xu, Qiankun ; Cui, Yuanjiang ; Gong, Ming ; Zeng, Dali ; Zhang, Qiang ; Shen, Lan ; Jiao, Guiai ; Gao, Zhenyu ; Hu, Jiang ; Zhang, Guangheng ; Zhu, Li ; Guo, Longbiao ; Ren, Deyong ; Qian, Qian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-294f33ecf21e203c42276d4796921558751fce5a2f08093d436d076184d0079a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Alleles</topic><topic>Amylose</topic><topic>Biomedical and Life Sciences</topic><topic>Grain size</topic><topic>Life Sciences</topic><topic>Molecular modelling</topic><topic>Mutants</topic><topic>Oryza sativa</topic><topic>Research Paper</topic><topic>Rice</topic><topic>Starch</topic><topic>Transcription</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Xiaoqi</creatorcontrib><creatorcontrib>Xia, Saisai</creatorcontrib><creatorcontrib>Xu, Qiankun</creatorcontrib><creatorcontrib>Cui, Yuanjiang</creatorcontrib><creatorcontrib>Gong, Ming</creatorcontrib><creatorcontrib>Zeng, Dali</creatorcontrib><creatorcontrib>Zhang, Qiang</creatorcontrib><creatorcontrib>Shen, Lan</creatorcontrib><creatorcontrib>Jiao, Guiai</creatorcontrib><creatorcontrib>Gao, Zhenyu</creatorcontrib><creatorcontrib>Hu, Jiang</creatorcontrib><creatorcontrib>Zhang, Guangheng</creatorcontrib><creatorcontrib>Zhu, Li</creatorcontrib><creatorcontrib>Guo, Longbiao</creatorcontrib><creatorcontrib>Ren, Deyong</creatorcontrib><creatorcontrib>Qian, Qian</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Science China. Life sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yu, Xiaoqi</au><au>Xia, Saisai</au><au>Xu, Qiankun</au><au>Cui, Yuanjiang</au><au>Gong, Ming</au><au>Zeng, Dali</au><au>Zhang, Qiang</au><au>Shen, Lan</au><au>Jiao, Guiai</au><au>Gao, Zhenyu</au><au>Hu, Jiang</au><au>Zhang, Guangheng</au><au>Zhu, Li</au><au>Guo, Longbiao</au><au>Ren, Deyong</au><au>Qian, Qian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ABNORMAL FLOWER AND GRAIN 1 encodes OsMADS6 and determines palea identity and affects rice grain yield and quality</atitle><jtitle>Science China. Life sciences</jtitle><stitle>Sci. China Life Sci</stitle><addtitle>Sci China Life Sci</addtitle><date>2020-02-01</date><risdate>2020</risdate><volume>63</volume><issue>2</issue><spage>228</spage><epage>238</epage><pages>228-238</pages><issn>1674-7305</issn><eissn>1869-1889</eissn><abstract>The palea and lemma are floral organ structures unique to grasses; these structures form the hull and directly affect grain size and quality. However, the molecular mechanisms controlling the development of the hull are not well understood. In this study, we characterized the rice (
Oryza sativa
)
abnormal flower and grain1
(
afg1
) mutant, a new allele of
OsMADS6
. Similar to previously characterized
osmads6
alleles, in the
afg1
floret, the palea lost its marginal region and acquired the lemma identity. However, in contrast to other
osmads6
alleles, the
afg1
mutant showed altered grain size and grain quality, with decreased total starch and amylose contents, and increased protein and soluble sugar contents. The analysis of transcriptional activity suggested that
AFG1
is a transcriptional activator and may affect grain size by regulating the expression levels of several genes related to cell expansion and proliferation in the
afg1
mutant. These results revealed that
AFG1
plays an important role in determining palea identity and affecting grain yield and quality in rice.</abstract><cop>Beijing</cop><pub>Science China Press</pub><pmid>31919631</pmid><doi>10.1007/s11427-019-1593-0</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| source | SpringerLink Journals; Alma/SFX Local Collection |
| subjects | Alleles Amylose Biomedical and Life Sciences Grain size Life Sciences Molecular modelling Mutants Oryza sativa Research Paper Rice Starch Transcription |
| title | ABNORMAL FLOWER AND GRAIN 1 encodes OsMADS6 and determines palea identity and affects rice grain yield and quality |
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