Circadian Clock Controls Root Hair Elongation through Long-Distance Communication
Abstract Plants adapt to periodic environmental changes, such as day and night, by using circadian clocks. Cell division and elongation are primary steps to adjust plant development according to their environments. In Arabidopsis, hypocotyl elongation has been studied as a representative model to un...
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creator | Ikeda, Hikari Uchikawa, Taiga Kondo, Yohei Takahashi, Nozomu Shishikui, Takuma Watahiki, Masaaki K Kubota, Akane Endo, Motomu |
description | Abstract
Plants adapt to periodic environmental changes, such as day and night, by using circadian clocks. Cell division and elongation are primary steps to adjust plant development according to their environments. In Arabidopsis, hypocotyl elongation has been studied as a representative model to understand how the circadian clock regulates cell elongation. However, it remains unknown whether similar phenomena exist in other organs, such as roots, where circadian clocks regulate physiological responses. Here, we show that root hair elongation is controlled by both light and the circadian clock. By developing machine-learning models to automatically analyze the images of root hairs, we found that genes encoding major components of the central oscillator, such as TIMING OF CAB EXPRESSION1 (TOC1) or CIRCADIAN CLOCK ASSOCIATED1 (CCA1), regulate the rhythmicity of root hair length. The partial illumination of light to either shoots or roots suggested that light received in shoots is mainly responsible for the generation of root hair rhythmicity. Furthermore, grafting experiments between wild-type (WT) and toc1 plants demonstrated that TOC1 in shoots is responsible for the generation of root hair rhythmicity. Our results illustrate the combinational effects of long-distance signaling and the circadian clock on the regulation of root hair length. |
doi_str_mv | 10.1093/pcp/pcad076 |
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Plants adapt to periodic environmental changes, such as day and night, by using circadian clocks. Cell division and elongation are primary steps to adjust plant development according to their environments. In Arabidopsis, hypocotyl elongation has been studied as a representative model to understand how the circadian clock regulates cell elongation. However, it remains unknown whether similar phenomena exist in other organs, such as roots, where circadian clocks regulate physiological responses. Here, we show that root hair elongation is controlled by both light and the circadian clock. By developing machine-learning models to automatically analyze the images of root hairs, we found that genes encoding major components of the central oscillator, such as TIMING OF CAB EXPRESSION1 (TOC1) or CIRCADIAN CLOCK ASSOCIATED1 (CCA1), regulate the rhythmicity of root hair length. The partial illumination of light to either shoots or roots suggested that light received in shoots is mainly responsible for the generation of root hair rhythmicity. Furthermore, grafting experiments between wild-type (WT) and toc1 plants demonstrated that TOC1 in shoots is responsible for the generation of root hair rhythmicity. Our results illustrate the combinational effects of long-distance signaling and the circadian clock on the regulation of root hair length.</description><identifier>ISSN: 0032-0781</identifier><identifier>EISSN: 1471-9053</identifier><identifier>DOI: 10.1093/pcp/pcad076</identifier><identifier>PMID: 37552691</identifier><language>eng</language><publisher>UK: Oxford University Press</publisher><subject>Arabidopsis - physiology ; Arabidopsis Proteins - metabolism ; Circadian Clocks - genetics ; Circadian Rhythm - genetics ; Gene Expression Regulation, Plant ; Transcription Factors - genetics ; Transcription Factors - metabolism</subject><ispartof>Plant and cell physiology, 2023-12, Vol.64 (11), p.1289-1300</ispartof><rights>The Author(s) 2023. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com 2023</rights><rights>The Author(s) 2023. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c320t-a14be73f13a53b85926e9893ae5616f9b477c2023cca8009fe1edb325ddcb2c43</citedby><cites>FETCH-LOGICAL-c320t-a14be73f13a53b85926e9893ae5616f9b477c2023cca8009fe1edb325ddcb2c43</cites><orcidid>0000-0003-1347-3950 ; 0000-0002-4621-9679 ; 0000-0001-6669-9692 ; 0009-0002-3926-484X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1584,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37552691$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ikeda, Hikari</creatorcontrib><creatorcontrib>Uchikawa, Taiga</creatorcontrib><creatorcontrib>Kondo, Yohei</creatorcontrib><creatorcontrib>Takahashi, Nozomu</creatorcontrib><creatorcontrib>Shishikui, Takuma</creatorcontrib><creatorcontrib>Watahiki, Masaaki K</creatorcontrib><creatorcontrib>Kubota, Akane</creatorcontrib><creatorcontrib>Endo, Motomu</creatorcontrib><title>Circadian Clock Controls Root Hair Elongation through Long-Distance Communication</title><title>Plant and cell physiology</title><addtitle>Plant Cell Physiol</addtitle><description>Abstract
Plants adapt to periodic environmental changes, such as day and night, by using circadian clocks. Cell division and elongation are primary steps to adjust plant development according to their environments. In Arabidopsis, hypocotyl elongation has been studied as a representative model to understand how the circadian clock regulates cell elongation. However, it remains unknown whether similar phenomena exist in other organs, such as roots, where circadian clocks regulate physiological responses. Here, we show that root hair elongation is controlled by both light and the circadian clock. By developing machine-learning models to automatically analyze the images of root hairs, we found that genes encoding major components of the central oscillator, such as TIMING OF CAB EXPRESSION1 (TOC1) or CIRCADIAN CLOCK ASSOCIATED1 (CCA1), regulate the rhythmicity of root hair length. The partial illumination of light to either shoots or roots suggested that light received in shoots is mainly responsible for the generation of root hair rhythmicity. Furthermore, grafting experiments between wild-type (WT) and toc1 plants demonstrated that TOC1 in shoots is responsible for the generation of root hair rhythmicity. Our results illustrate the combinational effects of long-distance signaling and the circadian clock on the regulation of root hair length.</description><subject>Arabidopsis - physiology</subject><subject>Arabidopsis Proteins - metabolism</subject><subject>Circadian Clocks - genetics</subject><subject>Circadian Rhythm - genetics</subject><subject>Gene Expression Regulation, Plant</subject><subject>Transcription Factors - genetics</subject><subject>Transcription Factors - metabolism</subject><issn>0032-0781</issn><issn>1471-9053</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEFLxDAQRoMo7rp68i49iSDVSdK0zVHq6goFUfQc0jTdjbZNTdqD_97orh49DDMMbz6Yh9AphisMnF4Paggla8jSPTTHSYZjDozuozkAJTFkOZ6hI-_fAMJM4RDNaMYYSTmeo6fCuHBrZB8VrVXvUWH70dnWR8_WjtFKGhctW9uv5WhsH40bZ6f1JirDJr41fpS90uGm66beqB_mGB00svX6ZNcX6PVu-VKs4vLx_qG4KWNFCYyxxEmlM9pgKhmtcsZJqnnOqdQsxWnDqyTLFAFClZI5AG801nVFCatrVRGV0AW62OYOzn5M2o-iM17ptpW9tpMXJE9yQsPLJKCXW1Q5673TjRic6aT7FBjEt0MRHIqdw0Cf7YKnqtP1H_srLQDnW8BOw79JX8kdexU</recordid><startdate>20231206</startdate><enddate>20231206</enddate><creator>Ikeda, Hikari</creator><creator>Uchikawa, Taiga</creator><creator>Kondo, Yohei</creator><creator>Takahashi, Nozomu</creator><creator>Shishikui, Takuma</creator><creator>Watahiki, Masaaki K</creator><creator>Kubota, Akane</creator><creator>Endo, Motomu</creator><general>Oxford University Press</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>7X8</scope><orcidid>https://orcid.org/0000-0003-1347-3950</orcidid><orcidid>https://orcid.org/0000-0002-4621-9679</orcidid><orcidid>https://orcid.org/0000-0001-6669-9692</orcidid><orcidid>https://orcid.org/0009-0002-3926-484X</orcidid></search><sort><creationdate>20231206</creationdate><title>Circadian Clock Controls Root Hair Elongation through Long-Distance Communication</title><author>Ikeda, Hikari ; Uchikawa, Taiga ; Kondo, Yohei ; Takahashi, Nozomu ; Shishikui, Takuma ; Watahiki, Masaaki K ; Kubota, Akane ; Endo, Motomu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-a14be73f13a53b85926e9893ae5616f9b477c2023cca8009fe1edb325ddcb2c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Arabidopsis - physiology</topic><topic>Arabidopsis Proteins - metabolism</topic><topic>Circadian Clocks - genetics</topic><topic>Circadian Rhythm - genetics</topic><topic>Gene Expression Regulation, Plant</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ikeda, Hikari</creatorcontrib><creatorcontrib>Uchikawa, Taiga</creatorcontrib><creatorcontrib>Kondo, Yohei</creatorcontrib><creatorcontrib>Takahashi, Nozomu</creatorcontrib><creatorcontrib>Shishikui, Takuma</creatorcontrib><creatorcontrib>Watahiki, Masaaki K</creatorcontrib><creatorcontrib>Kubota, Akane</creatorcontrib><creatorcontrib>Endo, Motomu</creatorcontrib><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>Plant and cell physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ikeda, Hikari</au><au>Uchikawa, Taiga</au><au>Kondo, Yohei</au><au>Takahashi, Nozomu</au><au>Shishikui, Takuma</au><au>Watahiki, Masaaki K</au><au>Kubota, Akane</au><au>Endo, Motomu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Circadian Clock Controls Root Hair Elongation through Long-Distance Communication</atitle><jtitle>Plant and cell physiology</jtitle><addtitle>Plant Cell Physiol</addtitle><date>2023-12-06</date><risdate>2023</risdate><volume>64</volume><issue>11</issue><spage>1289</spage><epage>1300</epage><pages>1289-1300</pages><issn>0032-0781</issn><eissn>1471-9053</eissn><abstract>Abstract
Plants adapt to periodic environmental changes, such as day and night, by using circadian clocks. Cell division and elongation are primary steps to adjust plant development according to their environments. In Arabidopsis, hypocotyl elongation has been studied as a representative model to understand how the circadian clock regulates cell elongation. However, it remains unknown whether similar phenomena exist in other organs, such as roots, where circadian clocks regulate physiological responses. Here, we show that root hair elongation is controlled by both light and the circadian clock. By developing machine-learning models to automatically analyze the images of root hairs, we found that genes encoding major components of the central oscillator, such as TIMING OF CAB EXPRESSION1 (TOC1) or CIRCADIAN CLOCK ASSOCIATED1 (CCA1), regulate the rhythmicity of root hair length. The partial illumination of light to either shoots or roots suggested that light received in shoots is mainly responsible for the generation of root hair rhythmicity. Furthermore, grafting experiments between wild-type (WT) and toc1 plants demonstrated that TOC1 in shoots is responsible for the generation of root hair rhythmicity. Our results illustrate the combinational effects of long-distance signaling and the circadian clock on the regulation of root hair length.</abstract><cop>UK</cop><pub>Oxford University Press</pub><pmid>37552691</pmid><doi>10.1093/pcp/pcad076</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-1347-3950</orcidid><orcidid>https://orcid.org/0000-0002-4621-9679</orcidid><orcidid>https://orcid.org/0000-0001-6669-9692</orcidid><orcidid>https://orcid.org/0009-0002-3926-484X</orcidid></addata></record> |
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subjects | Arabidopsis - physiology Arabidopsis Proteins - metabolism Circadian Clocks - genetics Circadian Rhythm - genetics Gene Expression Regulation, Plant Transcription Factors - genetics Transcription Factors - metabolism |
title | Circadian Clock Controls Root Hair Elongation through Long-Distance Communication |
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