{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:06:52Z","timestamp":1792786012598,"version":"4.5.0"},"reference-count":73,"publisher":"Oxford University Press (OUP)","funder":[{"name":"United States Department of Agriculture (USDA) National Institute of Food and Agriculture (NIFA):","award":["NIFA-SCRI-2022-51181-38333"],"award-info":[{"award-number":["NIFA-SCRI-2022-51181-38333"]}],"id":[{"id":"https:\/\/ror.org\/05qx3fv49","id-type":"ROR","asserted-by":"crossref"}]},{"name":"United States Department of Agriculture (USDA) National Institute of Food and Agriculture (NIFA):","award":["NIFA 2023-67013-39165"],"award-info":[{"award-number":["NIFA 2023-67013-39165"]}],"id":[{"id":"https:\/\/ror.org\/05qx3fv49","id-type":"ROR","asserted-by":"crossref"}]},{"name":"United States Department of Agriculture (USDA) National Institute of Food and Agriculture (NIFA):","award":["USDA-ARS-6036-11210-002-000-D"],"award-info":[{"award-number":["USDA-ARS-6036-11210-002-000-D"]}],"id":[{"id":"https:\/\/ror.org\/05qx3fv49","id-type":"ROR","asserted-by":"crossref"}]},{"name":"United States Department of Agriculture (USDA) National Institute of Food and Agriculture (NIFA):","award":["USDA-ARS-5070-21220-046-000D"],"award-info":[{"award-number":["USDA-ARS-5070-21220-046-000D"]}],"id":[{"id":"https:\/\/ror.org\/05qx3fv49","id-type":"ROR","asserted-by":"crossref"}]},{"name":"United States Department of Agriculture (USDA) National Institute of Food and Agriculture (NIFA):","award":["USDA-ARS- 5082-22000-002-000D"],"award-info":[{"award-number":["USDA-ARS- 5082-22000-002-000D"]}],"id":[{"id":"https:\/\/ror.org\/05qx3fv49","id-type":"ROR","asserted-by":"crossref"}]},{"name":"National Science Foundation (NSF) Division of Molecular and Cellular Biosciences","award":["MCB-2216747"],"award-info":[{"award-number":["MCB-2216747"]}],"id":[{"id":"https:\/\/ror.org\/002jdaq33","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Maize (Zea mays) produces terpenoid-based chemical defenses through a large family of terpene synthases, but the contributions of individual enzymes to specific compounds and stress resistance remain difficult to predict. Maize terpene synthase 8 (ZmTPS8) produces multiple sesquiterpenes in heterologous systems, but its in planta function remains unknown. We integrated a metabolite genome-wide association study (mGWAS), CRISPR\/Cas9 generated tps8 loss-of-function mutants, metabolite profiling, and biotic stress assays to define the role of ZmTPS8 in terpene synthesis and biotic stress responses. The mGWAS identified ZmTPS8 as the primary locus associated with herbivore-induced emission of the sesquiterpene volatile germacrene D. Consistently, ZmTPS8 expression was induced by foliar and root herbivory, and tps8 mutants exhibited reduced emissions of germacrene D, \u03b1-copaene, and \u03b4-cadinene during Spodoptera frugiperda feeding. Loss of ZmTPS8 increased S. frugiperda larval growth but did not affect the belowground herbivore Diabrotica virgifera virgifera. ZmTPS8 also contributed to resistance against sugarcane mosaic virus, and the fungal pathogen Fusarium verticillioides, affecting terpenoid profiles, global metabolism, and fungal toxin production, but had no impact on susceptibility to Cochliobolus heterostrophus or Pythium species. Together, these results demonstrate that ZmTPS8 contributes to maize defense in a threat-dependent manner, shaping volatile emissions and defense outcomes.<\/jats:p>","DOI":"10.1093\/jxb\/erag438","type":"journal-article","created":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T11:07:57Z","timestamp":1788520077000},"source":"Crossref","is-referenced-by-count":0,"title":["Maize terpene synthase 8 (TPS8) produces a blend of sesquiterpenes and contributes to defense against pests and pathogens"],"prefix":"10.1093","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-2918-5757","authenticated-orcid":false,"given":"Ariel","family":"Sorg","sequence":"first","affiliation":[{"name":"Chemistry Research Unit, US Department of Agriculture-Agricultural Research Service , Gainesville, FL 32608 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,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9702-9412","authenticated-orcid":false,"given":"Kaylee","family":"Tran","sequence":"additional","affiliation":[{"name":"Chemistry Research Unit, US Department of Agriculture-Agricultural Research Service , Gainesville, FL 32608 ,","place":["USA"]},{"name":"Horticultural Sciences Department, University of Florida , Gainesville, FL 32608 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-9570-9114","authenticated-orcid":false,"given":"Nadia","family":"Mourad","sequence":"additional","affiliation":[{"name":"Chemistry Research Unit, US Department of Agriculture-Agricultural Research Service , Gainesville, FL 32608 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,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-0371-6601","authenticated-orcid":false,"given":"Erin","family":"Wright","sequence":"additional","affiliation":[{"name":"Department of Plant and Soil Sciences, University of Delaware , Newark, DE 19716 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-8695-5368","authenticated-orcid":false,"given":"Kristen","family":"Willie","sequence":"additional","affiliation":[{"name":"Corn, Soybean and Wheat Quality Research Unit, US Department of Agriculture-Agricultural Research Service , Wooster, OH 44691 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6522-1280","authenticated-orcid":false,"given":"Jennifer R","family":"Wilson","sequence":"additional","affiliation":[{"name":"Corn, Soybean and Wheat Quality Research Unit, US Department of Agriculture-Agricultural Research Service , Wooster, OH 44691 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3167-2809","authenticated-orcid":false,"given":"Erik W","family":"Ohlson","sequence":"additional","affiliation":[{"name":"Corn, Soybean and Wheat Quality Research Unit, US Department of Agriculture-Agricultural Research Service , Wooster, OH 44691 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9514-9910","authenticated-orcid":false,"given":"Alyssa K","family":"Betts","sequence":"additional","affiliation":[{"name":"Department of Plant and Soil Sciences, University of Delaware , Newark, DE 19716 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2061-3579","authenticated-orcid":false,"given":"Dalton C","family":"Ludwick","sequence":"additional","affiliation":[{"name":"Plant Genetics Research Unit, US Department of Agriculture-Agricultural Research Service , Columbia, MO 65211 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Mu","sequence":"additional","affiliation":[{"name":"Department of Plant and Soil Sciences, University of Delaware , Newark, DE 19716 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5275-9797","authenticated-orcid":false,"given":"Gilles J","family":"Basset","sequence":"additional","affiliation":[{"name":"Horticultural Sciences Department, University of Florida , Gainesville, FL 32608 ,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2652-9485","authenticated-orcid":false,"given":"Charles T","family":"Hunter","sequence":"additional","affiliation":[{"name":"Chemistry Research Unit, US Department of Agriculture-Agricultural Research Service , Gainesville, FL 32608 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