A unique inventory of ion transporters poises the Venus flytrap to fast-propagating action potentials and calcium waves
Since the 19 century, it has been known that the carnivorous Venus flytrap is electrically excitable. Nevertheless, the mechanism and the molecular entities of the flytrap action potential (AP) remain unknown. When entering the electrically excitable stage, the trap expressed a characteristic invent...
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| Veröffentlicht in: | Current biology 2022-10, Vol.32 (19), p.4255-4263.e5 |
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| creator | Scherzer, Sönke Böhm, Jennifer Huang, Shouguang Iosip, Anda L Kreuzer, Ines Becker, Dirk Heckmann, Manfred Al-Rasheid, Khaled A S Dreyer, Ingo Hedrich, Rainer |
| description | Since the 19
century, it has been known that the carnivorous Venus flytrap is electrically excitable. Nevertheless, the mechanism and the molecular entities of the flytrap action potential (AP) remain unknown. When entering the electrically excitable stage, the trap expressed a characteristic inventory of ion transporters, among which the increase in glutamate receptor GLR3.6 RNA was most pronounced. Trigger hair stimulation or glutamate application evoked an AP and a cytoplasmic Ca
transient that both propagated at the same speed from the site of induction along the entire trap lobe surface. A priming Ca
moiety entering the cytoplasm in the context of the AP was further potentiated by an organelle-localized calcium-induced calcium release (CICR)-like system prolonging the Ca
signal. While the Ca
transient persisted, SKOR K
channels and AHA H
-ATPases repolarized the AP already. By counting the number of APs and long-lasting Ca
transients, the trap directs the different steps in the carnivorous plant's hunting cycle. VIDEO ABSTRACT. |
| doi_str_mv | 10.1016/j.cub.2022.08.051 |
| format | Article |
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century, it has been known that the carnivorous Venus flytrap is electrically excitable. Nevertheless, the mechanism and the molecular entities of the flytrap action potential (AP) remain unknown. When entering the electrically excitable stage, the trap expressed a characteristic inventory of ion transporters, among which the increase in glutamate receptor GLR3.6 RNA was most pronounced. Trigger hair stimulation or glutamate application evoked an AP and a cytoplasmic Ca
transient that both propagated at the same speed from the site of induction along the entire trap lobe surface. A priming Ca
moiety entering the cytoplasm in the context of the AP was further potentiated by an organelle-localized calcium-induced calcium release (CICR)-like system prolonging the Ca
signal. While the Ca
transient persisted, SKOR K
channels and AHA H
-ATPases repolarized the AP already. By counting the number of APs and long-lasting Ca
transients, the trap directs the different steps in the carnivorous plant's hunting cycle. VIDEO ABSTRACT.</description><identifier>ISSN: 0960-9822</identifier><identifier>EISSN: 1879-0445</identifier><identifier>DOI: 10.1016/j.cub.2022.08.051</identifier><identifier>PMID: 36087579</identifier><language>eng</language><publisher>England</publisher><subject>Action Potentials ; Adenosine Triphosphatases ; Calcium ; Calcium Signaling ; Droseraceae ; Glutamates ; Membrane Transport Proteins ; Receptors, Glutamate ; RNA</subject><ispartof>Current biology, 2022-10, Vol.32 (19), p.4255-4263.e5</ispartof><rights>Copyright © 2022 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c344t-d7646ca98dd2c934a178e1831b3014a8450b7a3f6b8e9f1016af9de3808eb0ec3</citedby><cites>FETCH-LOGICAL-c344t-d7646ca98dd2c934a178e1831b3014a8450b7a3f6b8e9f1016af9de3808eb0ec3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786,27931,27932</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36087579$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Scherzer, Sönke</creatorcontrib><creatorcontrib>Böhm, Jennifer</creatorcontrib><creatorcontrib>Huang, Shouguang</creatorcontrib><creatorcontrib>Iosip, Anda L</creatorcontrib><creatorcontrib>Kreuzer, Ines</creatorcontrib><creatorcontrib>Becker, Dirk</creatorcontrib><creatorcontrib>Heckmann, Manfred</creatorcontrib><creatorcontrib>Al-Rasheid, Khaled A S</creatorcontrib><creatorcontrib>Dreyer, Ingo</creatorcontrib><creatorcontrib>Hedrich, Rainer</creatorcontrib><title>A unique inventory of ion transporters poises the Venus flytrap to fast-propagating action potentials and calcium waves</title><title>Current biology</title><addtitle>Curr Biol</addtitle><description>Since the 19
century, it has been known that the carnivorous Venus flytrap is electrically excitable. Nevertheless, the mechanism and the molecular entities of the flytrap action potential (AP) remain unknown. When entering the electrically excitable stage, the trap expressed a characteristic inventory of ion transporters, among which the increase in glutamate receptor GLR3.6 RNA was most pronounced. Trigger hair stimulation or glutamate application evoked an AP and a cytoplasmic Ca
transient that both propagated at the same speed from the site of induction along the entire trap lobe surface. A priming Ca
moiety entering the cytoplasm in the context of the AP was further potentiated by an organelle-localized calcium-induced calcium release (CICR)-like system prolonging the Ca
signal. While the Ca
transient persisted, SKOR K
channels and AHA H
-ATPases repolarized the AP already. By counting the number of APs and long-lasting Ca
transients, the trap directs the different steps in the carnivorous plant's hunting cycle. VIDEO ABSTRACT.</description><subject>Action Potentials</subject><subject>Adenosine Triphosphatases</subject><subject>Calcium</subject><subject>Calcium Signaling</subject><subject>Droseraceae</subject><subject>Glutamates</subject><subject>Membrane Transport Proteins</subject><subject>Receptors, Glutamate</subject><subject>RNA</subject><issn>0960-9822</issn><issn>1879-0445</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kE1P3DAQhq2qqCwfP6CXysdeEsaxk9hHhMqHhMQFuFqOM6FeZe3UdkD77_EKymkO876PZh5CfjKoGbDuYlvbdagbaJoaZA0t-0Y2TPaqAiHa72QDqoNKyaY5JicpbQFYI1X3gxzzDmTf9mpD3i7p6t2_Fanzr-hziHsaJuqCpzkan5YQM8ZEl-ASJpr_In1GvyY6zfsSWGgOdDIpV0sMi3kx2fkXamw-AJaQC9GZOVHjR2rNbN26o2_mFdMZOZrKAs8_5yl5uv7zeHVb3T_c3F1d3leWC5Grse9EZ42S49hYxYVhvUQmORs4MGGkaGHoDZ-6QaKaDlLMpEbkEiQOgJafkt8f3HJf-TJlvXPJ4jwbj2FNuumLk1ZIBiXKPqI2hpQiTnqJbmfiXjPQB7Te6uJbH3xrkLr4Lp1fn_h12OH41fgvmL8DYmV_Fg</recordid><startdate>20221010</startdate><enddate>20221010</enddate><creator>Scherzer, Sönke</creator><creator>Böhm, Jennifer</creator><creator>Huang, Shouguang</creator><creator>Iosip, Anda L</creator><creator>Kreuzer, Ines</creator><creator>Becker, Dirk</creator><creator>Heckmann, Manfred</creator><creator>Al-Rasheid, Khaled A S</creator><creator>Dreyer, Ingo</creator><creator>Hedrich, Rainer</creator><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>20221010</creationdate><title>A unique inventory of ion transporters poises the Venus flytrap to fast-propagating action potentials and calcium waves</title><author>Scherzer, Sönke ; Böhm, Jennifer ; Huang, Shouguang ; Iosip, Anda L ; Kreuzer, Ines ; Becker, Dirk ; Heckmann, Manfred ; Al-Rasheid, Khaled A S ; Dreyer, Ingo ; Hedrich, Rainer</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c344t-d7646ca98dd2c934a178e1831b3014a8450b7a3f6b8e9f1016af9de3808eb0ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Action Potentials</topic><topic>Adenosine Triphosphatases</topic><topic>Calcium</topic><topic>Calcium Signaling</topic><topic>Droseraceae</topic><topic>Glutamates</topic><topic>Membrane Transport Proteins</topic><topic>Receptors, Glutamate</topic><topic>RNA</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Scherzer, Sönke</creatorcontrib><creatorcontrib>Böhm, Jennifer</creatorcontrib><creatorcontrib>Huang, Shouguang</creatorcontrib><creatorcontrib>Iosip, Anda L</creatorcontrib><creatorcontrib>Kreuzer, Ines</creatorcontrib><creatorcontrib>Becker, Dirk</creatorcontrib><creatorcontrib>Heckmann, Manfred</creatorcontrib><creatorcontrib>Al-Rasheid, Khaled A S</creatorcontrib><creatorcontrib>Dreyer, Ingo</creatorcontrib><creatorcontrib>Hedrich, Rainer</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>Current biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Scherzer, Sönke</au><au>Böhm, Jennifer</au><au>Huang, Shouguang</au><au>Iosip, Anda L</au><au>Kreuzer, Ines</au><au>Becker, Dirk</au><au>Heckmann, Manfred</au><au>Al-Rasheid, Khaled A S</au><au>Dreyer, Ingo</au><au>Hedrich, Rainer</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A unique inventory of ion transporters poises the Venus flytrap to fast-propagating action potentials and calcium waves</atitle><jtitle>Current biology</jtitle><addtitle>Curr Biol</addtitle><date>2022-10-10</date><risdate>2022</risdate><volume>32</volume><issue>19</issue><spage>4255</spage><epage>4263.e5</epage><pages>4255-4263.e5</pages><issn>0960-9822</issn><eissn>1879-0445</eissn><abstract>Since the 19
century, it has been known that the carnivorous Venus flytrap is electrically excitable. Nevertheless, the mechanism and the molecular entities of the flytrap action potential (AP) remain unknown. When entering the electrically excitable stage, the trap expressed a characteristic inventory of ion transporters, among which the increase in glutamate receptor GLR3.6 RNA was most pronounced. Trigger hair stimulation or glutamate application evoked an AP and a cytoplasmic Ca
transient that both propagated at the same speed from the site of induction along the entire trap lobe surface. A priming Ca
moiety entering the cytoplasm in the context of the AP was further potentiated by an organelle-localized calcium-induced calcium release (CICR)-like system prolonging the Ca
signal. While the Ca
transient persisted, SKOR K
channels and AHA H
-ATPases repolarized the AP already. By counting the number of APs and long-lasting Ca
transients, the trap directs the different steps in the carnivorous plant's hunting cycle. VIDEO ABSTRACT.</abstract><cop>England</cop><pmid>36087579</pmid><doi>10.1016/j.cub.2022.08.051</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Current biology, 2022-10, Vol.32 (19), p.4255-4263.e5 |
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| source | MEDLINE; Cell Press Free Archives; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Access via ScienceDirect (Elsevier) |
| subjects | Action Potentials Adenosine Triphosphatases Calcium Calcium Signaling Droseraceae Glutamates Membrane Transport Proteins Receptors, Glutamate RNA |
| title | A unique inventory of ion transporters poises the Venus flytrap to fast-propagating action potentials and calcium waves |
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