MORN motif‐containing protein OsMORN1 and OsMORN2 are crucial for rice pollen viability and cold tolerance
SUMMARY The pollen viability directly affects the pollination process and the ultimate grain yield of rice. Here, we identified that the MORN motif‐containing proteins, OsMORN1 and OsMORN2, had a crucial role in maintaining pollen fertility. Compared with the wild type (WT), the pollen viability of...
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| Veröffentlicht in: | The Plant journal : for cell and molecular biology 2024-07, Vol.119 (2), p.998-1013 |
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| creator | Han, Jiajun Yang, Xiaoying Cai, Yibei Qiao, Fengpei Tao, Ji Zhu, Xiaobo Mou, Qingshan An, Jianyu Hu, Jin Li, Zhan Guan, Yajing |
| description | SUMMARY
The pollen viability directly affects the pollination process and the ultimate grain yield of rice. Here, we identified that the MORN motif‐containing proteins, OsMORN1 and OsMORN2, had a crucial role in maintaining pollen fertility. Compared with the wild type (WT), the pollen viability of the osmorn1 and osmorn2 mutants was reduced, and pollen germination was abnormal, resulting in significantly lower spikelet fertility, seed‐setting rate, and grain yield per plant. Further investigation revealed that OsMORN1 was localized to the Golgi apparatus and lipid droplets. Lipids associated with pollen viability underwent alterations in osmorn mutants, such as the diacylglyceride (18:3_18:3) was 5.1‐fold higher and digalactosyldiacylglycerol (18:2_18:2) was 5.2‐fold lower in osmorn1, while the triacylglycerol (TG) (16:0_18:2_18:3) was 8.3‐fold higher and TG (16:0_18:1_18:3) was 8.5‐fold lower in osmorn2 than those in WT. Furthermore, the OsMORN1/2 was found to be associated with rice cold tolerance, as osmorn1 and osmorn2 mutants were more sensitive to chilling stress than WT. The mutants displayed increased hydrogen peroxide accumulation, reduced antioxidant enzyme activities, elevated malondialdehyde content, and a significantly decreased seedling survival rate. Lipidomics analysis revealed distinct alterations in lipids under low temperature, highlighting significant changes in TG (18:2_18:3_18:3) and TG (18:4_18:2_18:2) in osmorn1, TG (16:0_18:2_18:2) and PI (17:2_18:3) in osmorn2 compared to the WT. Therefore, it suggested that OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis.
Significance Statement
OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis and provides insights for improving crop yield and enhancing resistance. |
| doi_str_mv | 10.1111/tpj.16812 |
| format | Article |
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The pollen viability directly affects the pollination process and the ultimate grain yield of rice. Here, we identified that the MORN motif‐containing proteins, OsMORN1 and OsMORN2, had a crucial role in maintaining pollen fertility. Compared with the wild type (WT), the pollen viability of the osmorn1 and osmorn2 mutants was reduced, and pollen germination was abnormal, resulting in significantly lower spikelet fertility, seed‐setting rate, and grain yield per plant. Further investigation revealed that OsMORN1 was localized to the Golgi apparatus and lipid droplets. Lipids associated with pollen viability underwent alterations in osmorn mutants, such as the diacylglyceride (18:3_18:3) was 5.1‐fold higher and digalactosyldiacylglycerol (18:2_18:2) was 5.2‐fold lower in osmorn1, while the triacylglycerol (TG) (16:0_18:2_18:3) was 8.3‐fold higher and TG (16:0_18:1_18:3) was 8.5‐fold lower in osmorn2 than those in WT. Furthermore, the OsMORN1/2 was found to be associated with rice cold tolerance, as osmorn1 and osmorn2 mutants were more sensitive to chilling stress than WT. The mutants displayed increased hydrogen peroxide accumulation, reduced antioxidant enzyme activities, elevated malondialdehyde content, and a significantly decreased seedling survival rate. Lipidomics analysis revealed distinct alterations in lipids under low temperature, highlighting significant changes in TG (18:2_18:3_18:3) and TG (18:4_18:2_18:2) in osmorn1, TG (16:0_18:2_18:2) and PI (17:2_18:3) in osmorn2 compared to the WT. Therefore, it suggested that OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis.
Significance Statement
OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis and provides insights for improving crop yield and enhancing resistance.</description><identifier>ISSN: 0960-7412</identifier><identifier>ISSN: 1365-313X</identifier><identifier>EISSN: 1365-313X</identifier><identifier>DOI: 10.1111/tpj.16812</identifier><identifier>PMID: 38761113</identifier><language>eng</language><publisher>England: Blackwell Publishing Ltd</publisher><subject>antioxidant enzymes ; Cold Temperature ; Cold tolerance ; Crop yield ; Enzymatic activity ; Fertility ; Gene Expression Regulation, Plant ; Germination ; Germination - physiology ; Golgi apparatus ; grain yield ; Homeostasis ; Hydrogen peroxide ; Lipid Droplets - metabolism ; Lipid peroxidation ; lipidomics ; Lipids ; Low temperature ; malondialdehyde ; Mutants ; Mutation ; Oryza - genetics ; Oryza - metabolism ; Oryza - physiology ; OsMORN1 ; OsMORN2 ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Pollen ; Pollen - genetics ; Pollen - metabolism ; Pollen - physiology ; pollen germination ; pollen viability ; Pollination ; Proteins ; Rice ; seed set ; Seedlings ; spikelets ; Survival ; survival rate ; temperature ; Temperature tolerance ; triacylglycerols ; Triglycerides ; Viability</subject><ispartof>The Plant journal : for cell and molecular biology, 2024-07, Vol.119 (2), p.998-1013</ispartof><rights>2024 Society for Experimental Biology and John Wiley & Sons Ltd.</rights><rights>Copyright © 2024 Society for Experimental Biology and John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3462-a0292024db084438825330c6407b7f7536866c30fc86cf22d3ff697ffe4612d13</cites><orcidid>0000-0003-4763-2737</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Ftpj.16812$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Ftpj.16812$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38761113$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Han, Jiajun</creatorcontrib><creatorcontrib>Yang, Xiaoying</creatorcontrib><creatorcontrib>Cai, Yibei</creatorcontrib><creatorcontrib>Qiao, Fengpei</creatorcontrib><creatorcontrib>Tao, Ji</creatorcontrib><creatorcontrib>Zhu, Xiaobo</creatorcontrib><creatorcontrib>Mou, Qingshan</creatorcontrib><creatorcontrib>An, Jianyu</creatorcontrib><creatorcontrib>Hu, Jin</creatorcontrib><creatorcontrib>Li, Zhan</creatorcontrib><creatorcontrib>Guan, Yajing</creatorcontrib><title>MORN motif‐containing protein OsMORN1 and OsMORN2 are crucial for rice pollen viability and cold tolerance</title><title>The Plant journal : for cell and molecular biology</title><addtitle>Plant J</addtitle><description>SUMMARY
The pollen viability directly affects the pollination process and the ultimate grain yield of rice. Here, we identified that the MORN motif‐containing proteins, OsMORN1 and OsMORN2, had a crucial role in maintaining pollen fertility. Compared with the wild type (WT), the pollen viability of the osmorn1 and osmorn2 mutants was reduced, and pollen germination was abnormal, resulting in significantly lower spikelet fertility, seed‐setting rate, and grain yield per plant. Further investigation revealed that OsMORN1 was localized to the Golgi apparatus and lipid droplets. Lipids associated with pollen viability underwent alterations in osmorn mutants, such as the diacylglyceride (18:3_18:3) was 5.1‐fold higher and digalactosyldiacylglycerol (18:2_18:2) was 5.2‐fold lower in osmorn1, while the triacylglycerol (TG) (16:0_18:2_18:3) was 8.3‐fold higher and TG (16:0_18:1_18:3) was 8.5‐fold lower in osmorn2 than those in WT. Furthermore, the OsMORN1/2 was found to be associated with rice cold tolerance, as osmorn1 and osmorn2 mutants were more sensitive to chilling stress than WT. The mutants displayed increased hydrogen peroxide accumulation, reduced antioxidant enzyme activities, elevated malondialdehyde content, and a significantly decreased seedling survival rate. Lipidomics analysis revealed distinct alterations in lipids under low temperature, highlighting significant changes in TG (18:2_18:3_18:3) and TG (18:4_18:2_18:2) in osmorn1, TG (16:0_18:2_18:2) and PI (17:2_18:3) in osmorn2 compared to the WT. Therefore, it suggested that OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis.
Significance Statement
OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis and provides insights for improving crop yield and enhancing resistance.</description><subject>antioxidant enzymes</subject><subject>Cold Temperature</subject><subject>Cold tolerance</subject><subject>Crop yield</subject><subject>Enzymatic activity</subject><subject>Fertility</subject><subject>Gene Expression Regulation, Plant</subject><subject>Germination</subject><subject>Germination - physiology</subject><subject>Golgi apparatus</subject><subject>grain yield</subject><subject>Homeostasis</subject><subject>Hydrogen peroxide</subject><subject>Lipid Droplets - metabolism</subject><subject>Lipid peroxidation</subject><subject>lipidomics</subject><subject>Lipids</subject><subject>Low temperature</subject><subject>malondialdehyde</subject><subject>Mutants</subject><subject>Mutation</subject><subject>Oryza - genetics</subject><subject>Oryza - metabolism</subject><subject>Oryza - physiology</subject><subject>OsMORN1</subject><subject>OsMORN2</subject><subject>Plant Proteins - genetics</subject><subject>Plant Proteins - metabolism</subject><subject>Pollen</subject><subject>Pollen - genetics</subject><subject>Pollen - metabolism</subject><subject>Pollen - physiology</subject><subject>pollen germination</subject><subject>pollen viability</subject><subject>Pollination</subject><subject>Proteins</subject><subject>Rice</subject><subject>seed set</subject><subject>Seedlings</subject><subject>spikelets</subject><subject>Survival</subject><subject>survival rate</subject><subject>temperature</subject><subject>Temperature tolerance</subject><subject>triacylglycerols</subject><subject>Triglycerides</subject><subject>Viability</subject><issn>0960-7412</issn><issn>1365-313X</issn><issn>1365-313X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkbtKBDEUhoMoul4KX0ACNlqM5jaZmVLEK-qKrGA3ZDOJZMkmazKjbOcj-Iw-idmLFoJ4mnOK7__g8AOwi9ERTnPcTkZHmJeYrIAepjzPKKZPq6CHKo6ygmGyATZjHCGEC8rZOtigZcFTkPaAve0_3MGxb43-fP-Q3rXCOOOe4ST4VhkH-3FGYChcs7wJFEFBGTpphIXaBxiMVHDirVUOvhoxNNa003lCetvA1lsVhJNqG6xpYaPaWe4t8Hh-Nji9zG76F1enJzeZpIyTTCBSEURYM0QlY7QsSU4pkpyhYljoIqe85FxSpGXJpSakoVrzqtBaMY5Jg-kWOFh40xMvnYptPTZRKmuFU76LNcXJwZIm_x9FOeeclGhm3f-FjnwXXHokUUVV5RVhVaIOF5QMPsagdD0JZizCtMaonrVVp7bqeVuJ3Vsau-FYNT_kdz0JOF4Ab8aq6d-menB_vVB-AXxCnGU</recordid><startdate>202407</startdate><enddate>202407</enddate><creator>Han, Jiajun</creator><creator>Yang, Xiaoying</creator><creator>Cai, Yibei</creator><creator>Qiao, Fengpei</creator><creator>Tao, Ji</creator><creator>Zhu, Xiaobo</creator><creator>Mou, Qingshan</creator><creator>An, Jianyu</creator><creator>Hu, Jin</creator><creator>Li, Zhan</creator><creator>Guan, Yajing</creator><general>Blackwell Publishing Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7QP</scope><scope>7QR</scope><scope>7TM</scope><scope>8FD</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0003-4763-2737</orcidid></search><sort><creationdate>202407</creationdate><title>MORN motif‐containing protein OsMORN1 and OsMORN2 are crucial for rice pollen viability and cold tolerance</title><author>Han, Jiajun ; Yang, Xiaoying ; Cai, Yibei ; Qiao, Fengpei ; Tao, Ji ; Zhu, Xiaobo ; Mou, Qingshan ; An, Jianyu ; Hu, Jin ; Li, Zhan ; Guan, Yajing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3462-a0292024db084438825330c6407b7f7536866c30fc86cf22d3ff697ffe4612d13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>antioxidant enzymes</topic><topic>Cold Temperature</topic><topic>Cold tolerance</topic><topic>Crop yield</topic><topic>Enzymatic activity</topic><topic>Fertility</topic><topic>Gene Expression Regulation, Plant</topic><topic>Germination</topic><topic>Germination - physiology</topic><topic>Golgi apparatus</topic><topic>grain yield</topic><topic>Homeostasis</topic><topic>Hydrogen peroxide</topic><topic>Lipid Droplets - metabolism</topic><topic>Lipid peroxidation</topic><topic>lipidomics</topic><topic>Lipids</topic><topic>Low temperature</topic><topic>malondialdehyde</topic><topic>Mutants</topic><topic>Mutation</topic><topic>Oryza - genetics</topic><topic>Oryza - metabolism</topic><topic>Oryza - physiology</topic><topic>OsMORN1</topic><topic>OsMORN2</topic><topic>Plant Proteins - genetics</topic><topic>Plant Proteins - metabolism</topic><topic>Pollen</topic><topic>Pollen - genetics</topic><topic>Pollen - metabolism</topic><topic>Pollen - physiology</topic><topic>pollen germination</topic><topic>pollen viability</topic><topic>Pollination</topic><topic>Proteins</topic><topic>Rice</topic><topic>seed set</topic><topic>Seedlings</topic><topic>spikelets</topic><topic>Survival</topic><topic>survival rate</topic><topic>temperature</topic><topic>Temperature tolerance</topic><topic>triacylglycerols</topic><topic>Triglycerides</topic><topic>Viability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Jiajun</creatorcontrib><creatorcontrib>Yang, Xiaoying</creatorcontrib><creatorcontrib>Cai, Yibei</creatorcontrib><creatorcontrib>Qiao, Fengpei</creatorcontrib><creatorcontrib>Tao, Ji</creatorcontrib><creatorcontrib>Zhu, Xiaobo</creatorcontrib><creatorcontrib>Mou, Qingshan</creatorcontrib><creatorcontrib>An, Jianyu</creatorcontrib><creatorcontrib>Hu, Jin</creatorcontrib><creatorcontrib>Li, Zhan</creatorcontrib><creatorcontrib>Guan, Yajing</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>The Plant journal : for cell and molecular biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Jiajun</au><au>Yang, Xiaoying</au><au>Cai, Yibei</au><au>Qiao, Fengpei</au><au>Tao, Ji</au><au>Zhu, Xiaobo</au><au>Mou, Qingshan</au><au>An, Jianyu</au><au>Hu, Jin</au><au>Li, Zhan</au><au>Guan, Yajing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MORN motif‐containing protein OsMORN1 and OsMORN2 are crucial for rice pollen viability and cold tolerance</atitle><jtitle>The Plant journal : for cell and molecular biology</jtitle><addtitle>Plant J</addtitle><date>2024-07</date><risdate>2024</risdate><volume>119</volume><issue>2</issue><spage>998</spage><epage>1013</epage><pages>998-1013</pages><issn>0960-7412</issn><issn>1365-313X</issn><eissn>1365-313X</eissn><abstract>SUMMARY
The pollen viability directly affects the pollination process and the ultimate grain yield of rice. Here, we identified that the MORN motif‐containing proteins, OsMORN1 and OsMORN2, had a crucial role in maintaining pollen fertility. Compared with the wild type (WT), the pollen viability of the osmorn1 and osmorn2 mutants was reduced, and pollen germination was abnormal, resulting in significantly lower spikelet fertility, seed‐setting rate, and grain yield per plant. Further investigation revealed that OsMORN1 was localized to the Golgi apparatus and lipid droplets. Lipids associated with pollen viability underwent alterations in osmorn mutants, such as the diacylglyceride (18:3_18:3) was 5.1‐fold higher and digalactosyldiacylglycerol (18:2_18:2) was 5.2‐fold lower in osmorn1, while the triacylglycerol (TG) (16:0_18:2_18:3) was 8.3‐fold higher and TG (16:0_18:1_18:3) was 8.5‐fold lower in osmorn2 than those in WT. Furthermore, the OsMORN1/2 was found to be associated with rice cold tolerance, as osmorn1 and osmorn2 mutants were more sensitive to chilling stress than WT. The mutants displayed increased hydrogen peroxide accumulation, reduced antioxidant enzyme activities, elevated malondialdehyde content, and a significantly decreased seedling survival rate. Lipidomics analysis revealed distinct alterations in lipids under low temperature, highlighting significant changes in TG (18:2_18:3_18:3) and TG (18:4_18:2_18:2) in osmorn1, TG (16:0_18:2_18:2) and PI (17:2_18:3) in osmorn2 compared to the WT. Therefore, it suggested that OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis.
Significance Statement
OsMORN1 and OsMORN2 regulate both pollen viability and cold tolerance through maintaining lipid homeostasis and provides insights for improving crop yield and enhancing resistance.</abstract><cop>England</cop><pub>Blackwell Publishing Ltd</pub><pmid>38761113</pmid><doi>10.1111/tpj.16812</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0003-4763-2737</orcidid></addata></record> |
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| subjects | antioxidant enzymes Cold Temperature Cold tolerance Crop yield Enzymatic activity Fertility Gene Expression Regulation, Plant Germination Germination - physiology Golgi apparatus grain yield Homeostasis Hydrogen peroxide Lipid Droplets - metabolism Lipid peroxidation lipidomics Lipids Low temperature malondialdehyde Mutants Mutation Oryza - genetics Oryza - metabolism Oryza - physiology OsMORN1 OsMORN2 Plant Proteins - genetics Plant Proteins - metabolism Pollen Pollen - genetics Pollen - metabolism Pollen - physiology pollen germination pollen viability Pollination Proteins Rice seed set Seedlings spikelets Survival survival rate temperature Temperature tolerance triacylglycerols Triglycerides Viability |
| title | MORN motif‐containing protein OsMORN1 and OsMORN2 are crucial for rice pollen viability and cold tolerance |
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