{"id":237787,"date":"2026-07-22T08:00:10","date_gmt":"2026-07-22T18:00:10","guid":{"rendered":"https:\/\/www.hawaii.edu\/news\/?p=237787"},"modified":"2026-07-21T16:18:03","modified_gmt":"2026-07-22T02:18:03","slug":"gut-bacteria-biological-aging","status":"publish","type":"post","link":"https:\/\/www.hawaii.edu\/news\/2026\/07\/22\/gut-bacteria-biological-aging\/","title":{"rendered":"Gut bacteria tied to biological aging, new <abbr>糖心视频<\/abbr> study finds"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><figure id=\"attachment_237819\" aria-describedby=\"caption-attachment-237819\" style=\"width: 676px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea.jpg\" alt=\"person doing research in a lab\" width=\"676\" height=\"381\" class=\"size-full wp-image-237819\" srcset=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea.jpg 676w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea-300x169.jpg 300w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea-130x73.jpg 130w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><figcaption id=\"caption-attachment-237819\" class=\"wp-caption-text\">Alika K. Maunakea, professor at the <abbr>糖心视频<\/abbr> M\u0101noa John A. Burns School of Medicine, is a senior author of a study that found that certain gut bacteria are associated with the pace of biological aging. The research adds to growing evidence that the gut microbiome may play an important role in long-term health and healthy aging.<\/figcaption><\/figure>\n<p>Researchers at the University of <span lang=\"haw\">Hawai&#699;i<\/span> at <span lang=\"haw\">M&#257;noa<\/span> have found that certain gut bacteria are linked to how quickly the body ages, providing new insight into the connection between the gut, health and longevity.<\/p>\n<p>The findings, <a href=\"https:\/\/doi.org\/10.1038\/s41598-026-52974-x\">published in <em>Scientific Reports<\/em> on July 14<\/a>, found that differences in gut bacteria explained about 15&#37; of the differences in how quickly participants\u2019 bodies were biologically aging. The work provides evidence that gut microbiome carries meaningful biological information related to how quickly the body ages at the molecular level.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea-gut-microbiome-biological-aging-300x169.jpg\" alt=\"graphic of gut microbiome and biological aging\" width=\"300\" height=\"169\" class=\"alignright size-medium wp-image-237820\" srcset=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea-gut-microbiome-biological-aging-300x169.jpg 300w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea-gut-microbiome-biological-aging-130x73.jpg 130w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2026\/07\/manoa-jabsom-alika-maunakea-gut-microbiome-biological-aging.jpg 676w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&ldquo;This study advances our understanding of the relationship between the gut microbiome and biological aging,&rdquo; said senior author Alika K. Maunakea of the <abbr title=\"University of Hawaii\">糖心视频<\/abbr> <span lang=\"haw\">M&#257;noa<\/span> <a href=\"https:\/\/jabsom.hawaii.edu\/\">John A. Burns School of Medicine<\/a>. &ldquo;We found that microbial patterns in the gut were significantly associated with molecular measures of aging, even independent of chronological age. These findings open important new directions for understanding how modifiable biological systems influence long-term health trajectories and longevity.&rdquo;<\/p>\n<ul>\n<li>Related <em><abbr>糖心视频<\/abbr> News<\/em> story: <a href=\"https:\/\/www.hawaii.edu\/news\/2025\/09\/22\/gut-bacteria-linked-to-genes-switch\/\">Gut bacteria linked to how our genes switch on and off<\/a>, September 22, 2025<\/li>\n<\/ul>\n<h2>Tracking the gut-body connection<\/h2>\n<p>The research analyzed stool and blood samples from 123 participants representing a broad adult age range. The team compared the types of bacteria found in participants\u2019 guts with biological markers in their blood that estimate how quickly their bodies are aging. Unlike chronological age, which measures the number of years a person has lived, biological aging biomarkers attempt to capture how rapidly the body is aging physiologically.<\/p>\n<p>The investigators observed that gut microbial composition was specifically associated with DunedinPACE, a next-generation biomarker that estimates the pace of biological aging. Several types of bacteria demonstrated particularly strong associations with aging trajectories. Among the findings, Bifidobacterium adolescentis emerged as one of the strongest microbial signatures associated with slower biological aging, while Succinivibrio dextrinosolvens showed one of the strongest associations with accelerated aging.<\/p>\n<p>Lead author Braden P. Kunihiro said the findings highlight the growing scientific importance of the gut microbiome in precision health research.<\/p>\n<p>&ldquo;The gut microbiome is highly responsive to lifestyle, diet, environment and other everyday exposures,&rdquo; Kunihiro said. &ldquo;Our findings suggest that the microbiome may reflect important aspects of biological resilience and aging in ways that could eventually help inform future wellness and healthy aging strategies.&rdquo;<\/p>\n<p>The study also included a group of Native Hawaiian and Pacific Islander participants, populations historically underrepresented in aging and microbiome research. Co-author Ruben Juarez noted that the work may help researchers better understand how environmental and social factors become biologically embedded over time.<\/p>\n<ul>\n<li>Related <em><abbr>糖心视频<\/abbr> News<\/em> story: <a href=\"https:\/\/www.hawaii.edu\/news\/2024\/07\/29\/biological-aging-study\/\">Native Hawaiians face higher rates of accelerated biological aging, <abbr>糖心视频<\/abbr> study finds<\/a>, July 29, 2024<\/li>\n<\/ul>\n<p>&ldquo;The microbiome exists at the intersection of behavior, environment and human biology,&rdquo; Juarez said. &ldquo;Studies like this help illuminate potential pathways through which lived experiences and social factors influence long-term health outcomes.&rdquo;<\/p>\n<p>The researchers emphasize that the study found a connection between gut bacteria and biological aging, but it does not prove that one causes the other. More research is needed to determine whether changing the gut microbiome can affect how the body ages.<\/p>\n<p>&ldquo;This is an important early step toward understanding the gut microbiome\u2019s relationship with healthy aging,&rdquo; Maunakea said. &ldquo;Future research will help clarify the mechanisms involved and whether these microbial signatures may eventually contribute to precision approaches for promoting long-term health and wellness.&rdquo;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The work provides evidence that gut microbiome carries meaningful biological information related to how quickly the body ages at the molecular level.<\/p>\n","protected":false},"author":16,"featured_media":237819,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[165,31,1467,1465,1363,9],"class_list":["post-237787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research","tag-health","tag-john-a-burns-school-of-medicine","tag-manoa-excellence-in-research","tag-manoa-native-hawaiian-place-of-learning","tag-manoa-research","tag-uh-manoa","entry","has-media"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - 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