{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T21:31:30Z","timestamp":1790458290809,"version":"4.1.0"},"reference-count":99,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2021,11,25]],"date-time":"2021-11-25T00:00:00Z","timestamp":1637798400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001824","name":"Czech Science Foundation","doi-asserted-by":"publisher","award":["17-00522S"],"award-info":[{"award-number":["17-00522S"]}],"id":[{"id":"10.13039\/501100001824","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Plant Sci."],"abstract":"<jats:p>\n                    Magnesium (Mg\n                    <jats:sup>2+<\/jats:sup>\n                    ) is a macronutrient involved in essential cellular processes. Its deficiency or excess is a stress factor for plants, seriously affecting their growth and development and therefore, its accurate regulation is essential. Recently, we discovered that phospholipase D\u03b11 (PLD\u03b11) activity is vital in the stress response to high-magnesium conditions in Arabidopsis roots. This study shows that PLD\u03b11 acts as a negative regulator of high-Mg\n                    <jats:sup>2+<\/jats:sup>\n                    -induced leaf senescence in Arabidopsis. The level of phosphatidic acid produced by PLD\u03b11 and the amount of PLD\u03b11 in the leaves increase in plants treated with high Mg\n                    <jats:sup>2+<\/jats:sup>\n                    . A knockout mutant of PLD\u03b11 (\n                    <jats:italic>pld\u03b11-1<\/jats:italic>\n                    ), exhibits premature leaf senescence under high-Mg\n                    <jats:sup>2+<\/jats:sup>\n                    conditions. In\n                    <jats:italic>pld\u03b11-1<\/jats:italic>\n                    plants, higher accumulation of abscisic and jasmonic acid (JA) and impaired magnesium, potassium and phosphate homeostasis were observed under high-Mg\n                    <jats:sup>2+<\/jats:sup>\n                    conditions. High Mg\n                    <jats:sup>2+<\/jats:sup>\n                    also led to an increase of starch and proline content in Arabidopsis plants. While the starch content was higher in\n                    <jats:italic>pld\u03b11-1<\/jats:italic>\n                    plants, proline content was significantly lower in\n                    <jats:italic>pld\u03b11-1<\/jats:italic>\n                    compared with wild type plants. Our results show that PLD\u03b11 is essential for Arabidopsis plants to cope with the pleiotropic effects of high-Mg\n                    <jats:sup>2+<\/jats:sup>\n                    stress and delay the leaf senescence.\n                  <\/jats:p>","DOI":"10.3389\/fpls.2021.770794","type":"journal-article","created":{"date-parts":[[2021,11,30]],"date-time":"2021-11-30T20:24:42Z","timestamp":1638303882000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":10,"title":["Phospholipase D\u03b11 Acts as a Negative Regulator of High Mg2+-Induced Leaf Senescence in Arabidopsis"],"prefix":"10.3389","volume":"12","author":[{"given":"Daniela","family":"Kocourkov\u00e1","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krist\u00fdna","family":"Kroumanov\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tereza","family":"Podmanick\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michal","family":"Dan\u011bk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Martinec","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2021,11,25]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"555","DOI":"10.1104\/pp.17.00791","article-title":"Proline accumulation is regulated by transcription factors associated with phosphate starvation","volume":"175","author":"Aleksza","year":"2017","journal-title":"Plant Physiol."},{"key":"ref2","doi-asserted-by":"publisher","first-page":"3993","DOI":"10.1093\/jxb\/eru173","article-title":"Salt stress and senescence: identification of cross-talk regulatory components","volume":"65","author":"Allu","year":"2014","journal-title":"J. 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