A plant microRNA regulates the adaptation of roots to drought stress
► The Arabidopsis mutant fry1 is sensitive to ABA in the inhibition of lateral root growth and has a higher level of miR393. ► ABA decreases the expression of the wild-type but not miR393-resistant AFB2. ► ABA or osmotic stress no longer inhibits lateral root growth of miR393-resistant plants. Plant...
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| Veröffentlicht in: | FEBS letters 2012-06, Vol.586 (12), p.1742-1747 |
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| creator | Chen, Hao Li, Zhuofu Xiong, Liming |
| description | ► The Arabidopsis mutant fry1 is sensitive to ABA in the inhibition of lateral root growth and has a higher level of miR393. ► ABA decreases the expression of the wild-type but not miR393-resistant AFB2. ► ABA or osmotic stress no longer inhibits lateral root growth of miR393-resistant plants.
Plants tend to restrict their horizontal root proliferation in response to drought stress, an adaptive response mediated by the phytohormone abscisic acid (ABA) in antagonism with auxin through unknown mechanisms. Here, we found that stress-regulated miR393-guided cleavage of the transcripts encoding two auxin receptors, TIR1 and AFB2, was required for inhibition of lateral root growth by ABA or osmotic stress. Unlike in the control plants, the lateral root growth of seedlings expressing miR393-resistant TIR1 or AFB2 was no longer inhibited by ABA or osmotic stress. Our results indicate that miR393-mediated attenuation of auxin signaling modulates root adaptation to drought stress. |
| doi_str_mv | 10.1016/j.febslet.2012.05.013 |
| format | Article |
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Plants tend to restrict their horizontal root proliferation in response to drought stress, an adaptive response mediated by the phytohormone abscisic acid (ABA) in antagonism with auxin through unknown mechanisms. Here, we found that stress-regulated miR393-guided cleavage of the transcripts encoding two auxin receptors, TIR1 and AFB2, was required for inhibition of lateral root growth by ABA or osmotic stress. Unlike in the control plants, the lateral root growth of seedlings expressing miR393-resistant TIR1 or AFB2 was no longer inhibited by ABA or osmotic stress. Our results indicate that miR393-mediated attenuation of auxin signaling modulates root adaptation to drought stress.</description><identifier>ISSN: 0014-5793</identifier><identifier>EISSN: 1873-3468</identifier><identifier>DOI: 10.1016/j.febslet.2012.05.013</identifier><identifier>PMID: 22613571</identifier><language>eng</language><publisher>England: Elsevier B.V</publisher><subject>ABA ; Abscisic acid ; Abscisic Acid - physiology ; Adaptation, Physiological - genetics ; AFB ; Arabidopsis - genetics ; Arabidopsis - growth & development ; Arabidopsis - physiology ; Arabidopsis Proteins - genetics ; Arabidopsis Proteins - metabolism ; Auxin ; Auxin-binding F-box ; Base Pairing ; Base Sequence ; beta-glucuronidase ; Droughts ; F-Box Proteins - genetics ; F-Box Proteins - metabolism ; Gene Expression Regulation, Plant ; GUS ; Lateral root ; MicroRNA ; MicroRNAs - physiology ; MS salt ; Murashige and Skoog salt ; Osmotic Pressure ; Osmotic stress ; PEG ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Plant Roots - genetics ; Plant Roots - growth & development ; Plant Roots - physiology ; Plants, Genetically Modified ; polyethylene glycol ; Receptors, Cell Surface - genetics ; Receptors, Cell Surface - metabolism ; RNA Interference ; RNA Stability ; RNA, Messenger - genetics ; RNA, Messenger - metabolism ; Signal Transduction ; Stress, Physiological - genetics ; TIR1 ; transport inhibitor response 1</subject><ispartof>FEBS letters, 2012-06, Vol.586 (12), p.1742-1747</ispartof><rights>2012 Federation of European Biochemical Societies</rights><rights>FEBS Letters 586 (2012) 1873-3468 © 2015 Federation of European Biochemical Societies</rights><rights>Copyright © 2012 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5432-8944d8e1466b3246f2164d6b4f08f4f5a4920abe270354935cfab33bac103db53</citedby><cites>FETCH-LOGICAL-c5432-8944d8e1466b3246f2164d6b4f08f4f5a4920abe270354935cfab33bac103db53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1016%2Fj.febslet.2012.05.013$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.febslet.2012.05.013$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,1417,1433,3550,27924,27925,45574,45575,45995,46409,46833</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22613571$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Hao</creatorcontrib><creatorcontrib>Li, Zhuofu</creatorcontrib><creatorcontrib>Xiong, Liming</creatorcontrib><title>A plant microRNA regulates the adaptation of roots to drought stress</title><title>FEBS letters</title><addtitle>FEBS Lett</addtitle><description>► The Arabidopsis mutant fry1 is sensitive to ABA in the inhibition of lateral root growth and has a higher level of miR393. ► ABA decreases the expression of the wild-type but not miR393-resistant AFB2. ► ABA or osmotic stress no longer inhibits lateral root growth of miR393-resistant plants.
Plants tend to restrict their horizontal root proliferation in response to drought stress, an adaptive response mediated by the phytohormone abscisic acid (ABA) in antagonism with auxin through unknown mechanisms. Here, we found that stress-regulated miR393-guided cleavage of the transcripts encoding two auxin receptors, TIR1 and AFB2, was required for inhibition of lateral root growth by ABA or osmotic stress. Unlike in the control plants, the lateral root growth of seedlings expressing miR393-resistant TIR1 or AFB2 was no longer inhibited by ABA or osmotic stress. Our results indicate that miR393-mediated attenuation of auxin signaling modulates root adaptation to drought stress.</description><subject>ABA</subject><subject>Abscisic acid</subject><subject>Abscisic Acid - physiology</subject><subject>Adaptation, Physiological - genetics</subject><subject>AFB</subject><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - growth & development</subject><subject>Arabidopsis - physiology</subject><subject>Arabidopsis Proteins - genetics</subject><subject>Arabidopsis Proteins - metabolism</subject><subject>Auxin</subject><subject>Auxin-binding F-box</subject><subject>Base Pairing</subject><subject>Base Sequence</subject><subject>beta-glucuronidase</subject><subject>Droughts</subject><subject>F-Box Proteins - genetics</subject><subject>F-Box Proteins - metabolism</subject><subject>Gene Expression Regulation, Plant</subject><subject>GUS</subject><subject>Lateral root</subject><subject>MicroRNA</subject><subject>MicroRNAs - physiology</subject><subject>MS salt</subject><subject>Murashige and Skoog salt</subject><subject>Osmotic Pressure</subject><subject>Osmotic stress</subject><subject>PEG</subject><subject>Plant Proteins - genetics</subject><subject>Plant Proteins - metabolism</subject><subject>Plant Roots - genetics</subject><subject>Plant Roots - growth & development</subject><subject>Plant Roots - physiology</subject><subject>Plants, Genetically Modified</subject><subject>polyethylene glycol</subject><subject>Receptors, Cell Surface - genetics</subject><subject>Receptors, Cell Surface - metabolism</subject><subject>RNA Interference</subject><subject>RNA Stability</subject><subject>RNA, Messenger - genetics</subject><subject>RNA, Messenger - metabolism</subject><subject>Signal Transduction</subject><subject>Stress, Physiological - genetics</subject><subject>TIR1</subject><subject>transport inhibitor response 1</subject><issn>0014-5793</issn><issn>1873-3468</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1PGzEQhq2qVRMCPwHkYy-79fhjs3uqUgoECYHUwtny7o6Jo02c2t4i_j2OkvZKT5atZ17PPEPIObASGFRf16XFNg6YSs6Al0yVDMQHMoV6Lgohq_ojmTIGslDzRkzISYxrlu81NJ_JhPMKhJrDlPxY0N1gtoluXBf8z_sFDfg8DiZhpGmF1PRml0xyfku9pcH7lN897YMfn1eJxhQwxlPyyZoh4tnxnJGn66vHy2Vx93Bze7m4KzolBS_qRsq-RpBV1QouK8uhkn3VSstqK60ysuHMtMjnTCjZCNVZ0wrRmg6Y6FslZuTLIXcX_O8RY9IbFzsc8gDox6iBccYUSAEZVQc0TxVjQKt3wW1MeM2Q3gvUa30UqPcCNVM6C8x1F8cvxnaD_b-qv8YysDwAL27A1_9L1ddX3_mv_Tb2y4DcpKhrnqO-HaIwO_vjMOjYOdx22LuAXdK9d-90-waDvZg8</recordid><startdate>20120612</startdate><enddate>20120612</enddate><creator>Chen, Hao</creator><creator>Li, Zhuofu</creator><creator>Xiong, Liming</creator><general>Elsevier B.V</general><scope>6I.</scope><scope>AAFTH</scope><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>7X8</scope></search><sort><creationdate>20120612</creationdate><title>A plant microRNA regulates the adaptation of roots to drought stress</title><author>Chen, Hao ; Li, Zhuofu ; Xiong, Liming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5432-8944d8e1466b3246f2164d6b4f08f4f5a4920abe270354935cfab33bac103db53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>ABA</topic><topic>Abscisic acid</topic><topic>Abscisic Acid - physiology</topic><topic>Adaptation, Physiological - genetics</topic><topic>AFB</topic><topic>Arabidopsis - genetics</topic><topic>Arabidopsis - growth & development</topic><topic>Arabidopsis - physiology</topic><topic>Arabidopsis Proteins - genetics</topic><topic>Arabidopsis Proteins - metabolism</topic><topic>Auxin</topic><topic>Auxin-binding F-box</topic><topic>Base Pairing</topic><topic>Base Sequence</topic><topic>beta-glucuronidase</topic><topic>Droughts</topic><topic>F-Box Proteins - genetics</topic><topic>F-Box Proteins - metabolism</topic><topic>Gene Expression Regulation, Plant</topic><topic>GUS</topic><topic>Lateral root</topic><topic>MicroRNA</topic><topic>MicroRNAs - physiology</topic><topic>MS salt</topic><topic>Murashige and Skoog salt</topic><topic>Osmotic Pressure</topic><topic>Osmotic stress</topic><topic>PEG</topic><topic>Plant Proteins - genetics</topic><topic>Plant Proteins - metabolism</topic><topic>Plant Roots - genetics</topic><topic>Plant Roots - growth & development</topic><topic>Plant Roots - physiology</topic><topic>Plants, Genetically Modified</topic><topic>polyethylene glycol</topic><topic>Receptors, Cell Surface - genetics</topic><topic>Receptors, Cell Surface - metabolism</topic><topic>RNA Interference</topic><topic>RNA Stability</topic><topic>RNA, Messenger - genetics</topic><topic>RNA, Messenger - metabolism</topic><topic>Signal Transduction</topic><topic>Stress, Physiological - genetics</topic><topic>TIR1</topic><topic>transport inhibitor response 1</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Hao</creatorcontrib><creatorcontrib>Li, Zhuofu</creatorcontrib><creatorcontrib>Xiong, Liming</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>FEBS letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Hao</au><au>Li, Zhuofu</au><au>Xiong, Liming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A plant microRNA regulates the adaptation of roots to drought stress</atitle><jtitle>FEBS letters</jtitle><addtitle>FEBS Lett</addtitle><date>2012-06-12</date><risdate>2012</risdate><volume>586</volume><issue>12</issue><spage>1742</spage><epage>1747</epage><pages>1742-1747</pages><issn>0014-5793</issn><eissn>1873-3468</eissn><abstract>► The Arabidopsis mutant fry1 is sensitive to ABA in the inhibition of lateral root growth and has a higher level of miR393. ► ABA decreases the expression of the wild-type but not miR393-resistant AFB2. ► ABA or osmotic stress no longer inhibits lateral root growth of miR393-resistant plants.
Plants tend to restrict their horizontal root proliferation in response to drought stress, an adaptive response mediated by the phytohormone abscisic acid (ABA) in antagonism with auxin through unknown mechanisms. Here, we found that stress-regulated miR393-guided cleavage of the transcripts encoding two auxin receptors, TIR1 and AFB2, was required for inhibition of lateral root growth by ABA or osmotic stress. Unlike in the control plants, the lateral root growth of seedlings expressing miR393-resistant TIR1 or AFB2 was no longer inhibited by ABA or osmotic stress. Our results indicate that miR393-mediated attenuation of auxin signaling modulates root adaptation to drought stress.</abstract><cop>England</cop><pub>Elsevier B.V</pub><pmid>22613571</pmid><doi>10.1016/j.febslet.2012.05.013</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | ABA Abscisic acid Abscisic Acid - physiology Adaptation, Physiological - genetics AFB Arabidopsis - genetics Arabidopsis - growth & development Arabidopsis - physiology Arabidopsis Proteins - genetics Arabidopsis Proteins - metabolism Auxin Auxin-binding F-box Base Pairing Base Sequence beta-glucuronidase Droughts F-Box Proteins - genetics F-Box Proteins - metabolism Gene Expression Regulation, Plant GUS Lateral root MicroRNA MicroRNAs - physiology MS salt Murashige and Skoog salt Osmotic Pressure Osmotic stress PEG Plant Proteins - genetics Plant Proteins - metabolism Plant Roots - genetics Plant Roots - growth & development Plant Roots - physiology Plants, Genetically Modified polyethylene glycol Receptors, Cell Surface - genetics Receptors, Cell Surface - metabolism RNA Interference RNA Stability RNA, Messenger - genetics RNA, Messenger - metabolism Signal Transduction Stress, Physiological - genetics TIR1 transport inhibitor response 1 |
| title | A plant microRNA regulates the adaptation of roots to drought stress |
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