{"id":229655,"date":"2026-01-23T06:06:27","date_gmt":"2026-01-23T12:06:27","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/drought-tolerance-mechanisms-across-c3-and-c3-c4-intermediate-photosynthetic-types-revealed-by-physiological-and-gene-expression-profiling"},"modified":"2026-01-23T06:06:27","modified_gmt":"2026-01-23T12:06:27","slug":"drought-tolerance-mechanisms-across-c3-and-c3-c4-intermediate-photosynthetic-types-revealed-by-physiological-and-gene-expression-profiling","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/drought-tolerance-mechanisms-across-c3-and-c3-c4-intermediate-photosynthetic-types-revealed-by-physiological-and-gene-expression-profiling","title":{"rendered":"Drought tolerance mechanisms across C3 and C3\u2013C4 intermediate photosynthetic types revealed by physiological and gene expression profiling"},"content":{"rendered":"<p style=\"padding-right: 20px\"><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/drought-tolerance-mechanisms-across-c3-and-c3-c4-intermediate-photosynthetic-types-revealed-by-physiological-and-gene-expression-profiling.jpg\"><\/a><\/p>\n<p>Abiotic stress, particularly drought, significantly reduces crop yields and threatens global agricultural sustainability. This study investigated drought and recovery responses in four plant species with contrasting photosynthetic types: <i>Triticum aestivum <\/i> (C3), <i>Helianthus annuus <\/i> (C3), <i>Chenopodium album <\/i> (intermediate-C4), and <i>Alternanthera brasiliana <\/i> (C4-like). Drought markedly reduced plant fresh biomass (up to 80% in <i>H. annuus<\/i>) and relative water content, particularly in <i>C<i>. album<\/i><\/i>. Oxidative damage intensified, with <i>H. annuus <\/i> showing the greatest increase in hydrogen peroxide (258%) and <i>C<i>. album<\/i><\/i> exhibiting the highest malondialdehyde accumulation (284%). Antioxidant enzymes were strongly activated; catalase activity increased dramatically in <i>C<i>. album<\/i><\/i> (837%) and <i>H. annuus <\/i> (630%).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abiotic stress, particularly drought, significantly reduces crop yields and threatens global agricultural sustainability. This study investigated drought and recovery responses in four plant species with contrasting photosynthetic types: Triticum aestivum (C3), Helianthus annuus (C3), Chenopodium album (intermediate-C4), and Alternanthera brasiliana (C4-like). Drought markedly reduced plant fresh biomass (up to 80% in H. annuus) and relative [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1506,17],"tags":[],"class_list":["post-229655","post","type-post","status-publish","format-standard","hentry","category-food","category-sustainability"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=229655"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229655\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=229655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=229655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=229655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}