{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T06:03:08Z","timestamp":1789970588850,"version":"4.0.1"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T00:00:00Z","timestamp":1786579200000},"content-version":"vor","delay-in-days":224,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"The Research Council of Norway project","award":["#320076"],"award-info":[{"award-number":["#320076"]}],"id":[{"id":"https:\/\/ror.org\/00epmv149","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,1,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Microbe\u2013macrofauna associations are central to coastal benthic ecosystems, yet the microbial functions that underpin these remain poorly understood. To address functional microbe\u2013macrofauna associations, we analyzed 245 seafloor samples from Norwegian and Icelandic coastal zones, encompassing 1204 macrofaunal taxa, 121\u2009543 zero-radius operational taxonomic units, and 302 high-quality metagenome-assembled genomes (MAGs). We first analyzed potential confounding factors and found that macrofauna showed the strongest association with a north\u2013south geographic gradient, while overall there was a concordance for metadata associations. We found that macrofaunal assemblages were positively correlated with either a Bacteroidota-enriched cluster of MAGs (\u201cBA\u201d; n\u2009=\u2009178 MAGs) or a cluster enriched in Actinomycetota and Pseudomonadota (\u201cAP\u201d; n\u2009=\u2009124 MAGs). Functionally, the AP cluster was enriched in oxidases, cytochrome c-based respiratory processes, and fatty-acid \u03b2-oxidation. In contrast, the BA cluster showed enrichment in hydrolases, polysaccharide-degradation functions, and microaerobic\/anaerobic respiration via cytochrome bd. Macrofaunal taxa associated with BA tended to have higher tolerance values for anthropogenic disturbance than those associated with AP, although this association was weak. Taken together, these results identify contrasting microbial respiratory strategies that co-vary with macrofaunal assemblages, while further experimental work is required to establish directionality and mechanism.<\/jats:p>","DOI":"10.1093\/ismeco\/ycag230","type":"journal-article","created":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T11:53:41Z","timestamp":1786190021000},"source":"Crossref","is-referenced-by-count":0,"title":["Contrasting associations between microbiota respiratory strategies and seafloor macrofauna"],"prefix":"10.1093","volume":"6","author":[{"given":"Knut","family":"Rudi","sequence":"first","affiliation":[{"name":"Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences , 1433 \u00c5s 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