MYB30 links ROS signaling, root cell elongation, and plant immune responses
Reactive oxygen species (ROS) are known to be important signal molecules that are involved in biotic and abiotic stress responses as well as in growth regulation. However, the molecular mechanisms by which ROS act as a growth regulator, as well as how ROS-dependent growth regulation relates to its r...
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 2018-05, Vol.115 (20), p.E4710-E4719 |
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| creator | Mabuchi, Kaho Maki, Hiromasa Itaya, Tomotaka Suzuki, Takamasa Nomoto, Mika Sakaoka, Satomi Morikami, Atsushi Higashiyama, Tetsuya Tada, Yasuomi Busch, Wolfgang Tsukagoshi, Hironaka |
| description | Reactive oxygen species (ROS) are known to be important signal molecules that are involved in biotic and abiotic stress responses as well as in growth regulation. However, the molecular mechanisms by which ROS act as a growth regulator, as well as how ROS-dependent growth regulation relates to its roles in stress responses, are not well understood. We performed a time-course microarray analysis of Arabidopsis root tips upon treatment with hydrogen peroxide, which we named “ROS-map.” Using the ROS-map, we identified an MYB transcription factor, MYB30, which showed a strong response to ROS treatment and is the key regulator of a gene network that leads to the hydrogen peroxide-dependent inhibition of root cell elongation. Intriguingly, this network contained multiple genes involved in very-long-chain fatty acid (VLCFA) transport. Finally, we showed that MYB30 is necessary for root growth regulation during defense responses, thus providing a molecular link between these two ROS-associated processes. |
| doi_str_mv | 10.1073/pnas.1804233115 |
| format | Article |
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However, the molecular mechanisms by which ROS act as a growth regulator, as well as how ROS-dependent growth regulation relates to its roles in stress responses, are not well understood. We performed a time-course microarray analysis of Arabidopsis root tips upon treatment with hydrogen peroxide, which we named “ROS-map.” Using the ROS-map, we identified an MYB transcription factor, MYB30, which showed a strong response to ROS treatment and is the key regulator of a gene network that leads to the hydrogen peroxide-dependent inhibition of root cell elongation. Intriguingly, this network contained multiple genes involved in very-long-chain fatty acid (VLCFA) transport. 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Maki, Hiromasa ; Itaya, Tomotaka ; Suzuki, Takamasa ; Nomoto, Mika ; Sakaoka, Satomi ; Morikami, Atsushi ; Higashiyama, Tetsuya ; Tada, Yasuomi ; Busch, Wolfgang ; Tsukagoshi, Hironaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c509t-85c6feebe2085ae792d354c42927c17ec9b3a33e0bca21e16ba3f1c94ea7664b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Biological Sciences</topic><topic>DNA microarrays</topic><topic>Elongation</topic><topic>Flowers & plants</topic><topic>Growth regulators</topic><topic>Hydrogen peroxide</topic><topic>Immune response</topic><topic>Molecular modelling</topic><topic>Oxygen</topic><topic>Plant growth</topic><topic>Plant immunity</topic><topic>PNAS Plus</topic><topic>Reactive oxygen species</topic><topic>Tips</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mabuchi, Kaho</creatorcontrib><creatorcontrib>Maki, Hiromasa</creatorcontrib><creatorcontrib>Itaya, Tomotaka</creatorcontrib><creatorcontrib>Suzuki, Takamasa</creatorcontrib><creatorcontrib>Nomoto, Mika</creatorcontrib><creatorcontrib>Sakaoka, Satomi</creatorcontrib><creatorcontrib>Morikami, Atsushi</creatorcontrib><creatorcontrib>Higashiyama, Tetsuya</creatorcontrib><creatorcontrib>Tada, Yasuomi</creatorcontrib><creatorcontrib>Busch, Wolfgang</creatorcontrib><creatorcontrib>Tsukagoshi, Hironaka</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</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>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mabuchi, Kaho</au><au>Maki, Hiromasa</au><au>Itaya, Tomotaka</au><au>Suzuki, Takamasa</au><au>Nomoto, Mika</au><au>Sakaoka, Satomi</au><au>Morikami, Atsushi</au><au>Higashiyama, Tetsuya</au><au>Tada, Yasuomi</au><au>Busch, Wolfgang</au><au>Tsukagoshi, Hironaka</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MYB30 links ROS signaling, root cell elongation, and plant immune responses</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>2018-05-15</date><risdate>2018</risdate><volume>115</volume><issue>20</issue><spage>E4710</spage><epage>E4719</epage><pages>E4710-E4719</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><abstract>Reactive oxygen species (ROS) are known to be important signal molecules that are involved in biotic and abiotic stress responses as well as in growth regulation. 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| subjects | Biological Sciences DNA microarrays Elongation Flowers & plants Growth regulators Hydrogen peroxide Immune response Molecular modelling Oxygen Plant growth Plant immunity PNAS Plus Reactive oxygen species Tips |
| title | MYB30 links ROS signaling, root cell elongation, and plant immune responses |
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