{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T06:15:37Z","timestamp":1790144137730,"version":"4.0.1"},"reference-count":76,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T00:00:00Z","timestamp":1790035200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T00:00:00Z","timestamp":1790035200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["32201318"],"award-info":[{"award-number":["32201318"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["32201315"],"award-info":[{"award-number":["32201315"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["nph.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["New Phytologist"],"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    <jats:list list-type=\"bullet\">\n                      <jats:list-item>\n                        <jats:p>Plants produce diverse metabolites to defend against biotic and abiotic stresses. However, quantification of plant chemical defenses along environmental gradients has largely focused on aboveground organs, leaving belowground patterns poorly understood.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>To address how leaf and root defense chemistry shifts with changing biotic and abiotic conditions, we compared untargeted metabolomics of 183 species across elevational gradients spanning tropical, subtropical, and subalpine forests.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>Leaves and roots showed distinct chemical compositions across elevations, with phytochemical diversity declining from tropical to subalpine forests, corresponding with shifts in herbivore pressure and soil conditions. These patterns suggest that local variation in biotic and abiotic pressures across elevations may be associated with gradients in phytochemical diversity. We also uncovered contrasting patterns of chemical strategies between organs. Leaf chemistry shifts from polar, fast\u2010turnover, low\u2010cost metabolites in tropical forests to less polar, aromatic, and energetically costly metabolites in subtropical and subalpine forests, whereas roots display contrasting metabolic adjustments.<\/jats:p>\n                      <\/jats:list-item>\n                      <jats:list-item>\n                        <jats:p>Our results suggest that elevation filters species by their distinct metabolomic profiles, with organ\u2010specific and context\u2010dependent chemical investment, highlighting the importance of integrating above\u2010 and belowground organs to understand plant chemical responses across gradients. We reveal that organs of the same tree tell distinct chemical stories, illuminating the chemical life of trees.<\/jats:p>\n                      <\/jats:list-item>\n                    <\/jats:list>\n                  <\/jats:p>","DOI":"10.1111\/nph.71603","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T05:56:11Z","timestamp":1790142971000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Phytochemical divergence between above\u2010 and belowground tree organs along elevational gradients"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6868-6390","authenticated-orcid":false,"given":"Mengesha","family":"Asefa","sequence":"first","affiliation":[{"name":"Yunnan Key Laboratory of Forest Ecosystem Stability and Global Change, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"},{"name":"Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"},{"name":"Department of Biology, College of Natural and Computational Sciences University of Gondar  Gondar 196 Ethiopia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7688-6472","authenticated-orcid":false,"given":"Lu","family":"Sun","sequence":"additional","affiliation":[{"name":"CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany Chinese Academy of Sciences  Kunming 650201 Yunnan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5148-3423","authenticated-orcid":false,"given":"Yazhou","family":"Zhang","sequence":"additional","affiliation":[{"name":"CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany Chinese Academy of Sciences  Kunming 650201 Yunnan 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Global Change, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4497-5841","authenticated-orcid":false,"given":"Min","family":"Cao","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Forest Ecosystem Stability and Global Change, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5037-1059","authenticated-orcid":false,"given":"Yunyun","family":"He","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Forest Ecosystem Stability and Global Change, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"},{"name":"University of Chinese Academy Sciences  Beijing 100049 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-3824-9052","authenticated-orcid":false,"given":"Yao","family":"Su","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Forest Ecosystem Stability and Global Change, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4444-8240","authenticated-orcid":false,"given":"Jie","family":"Yang","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Forest Ecosystem Stability and Global Change, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"},{"name":"Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences  Mengla Yunnan 666303 China"},{"name":"National Forest Ecosystem Research Station at Xishuangbanna  Mengla Yunnan 666303 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3819-9767","authenticated-orcid":false,"given":"Nathan G.","family":"Swenson","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences University of Notre Dame  Notre Dame IN 46556 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,22]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"crossref","first-page":"580","DOI":"10.1111\/1365-2745.12512","article-title":"Test of biotic and abiotic correlates of latitudinal variation in defences in the perennial herb Ruellia nudiflora","volume":"104","author":"Abdala\u2010Roberts L","year":"2016","journal-title":"Journal of Ecology"},{"key":"e_1_2_9_3_1","first-page":"36","article-title":"Image processing with ImageJ","volume":"11","author":"Abramoff M","year":"2004","journal-title":"Biophotonics 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