{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T21:52:36Z","timestamp":1790718756302,"version":"4.1.0"},"reference-count":49,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2023,11,13]],"date-time":"2023-11-13T00:00:00Z","timestamp":1699833600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100007129","name":"Natural Science Foundation of Shandong Province","doi-asserted-by":"crossref","award":["ZR2020MC121"],"award-info":[{"award-number":["ZR2020MC121"]}],"id":[{"id":"10.13039\/501100007129","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100012166","name":"National Key R&D Program of China","doi-asserted-by":"crossref","award":["2017YFD0201705"],"award-info":[{"award-number":["2017YFD0201705"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p>As small ectotherms, insects need to cope with the challenges of winter cold by regulating the water content through water transport. Aquaporins (AQPs) are key players to enhance the cold resistance by mediating essential homeostatic processes in many animals but remain poorly characterized in insects. <jats:italic>Agriphila aeneociliella<\/jats:italic> is a newly discovered winter wheat pest in China, and its early-stage larvae have strong tolerance to low temperature stress. Six AQP genes were identified, which belong to five AQP subfamilies (RPIP, Eglp, AQP12L, PRIP, DRIP). All of them contained six hydrophobic transmembrane helices (TMHs) and two relatively conservative Asparagine-Proline-Alanine motifs. The three-dimensional homology modeling showed that the six TMHs folded into an hourglass-like shape, and the imperceptible replace of four ar\/R residues in contraction region had critical effects on changing the pore size of channels. Moreover, the transcript levels of AaAQP 1, 3, and 6 increased significantly with the treatment time below 0 \u00b0C. Combined with the results of pore radius variation, it is suggested that AaAQP1 and AaAQP3 may be considered to be the key anti-hypothermia proteins in <jats:italic>A. aeneociliella<\/jats:italic> by regulating rapid cell dehydration and allowing the influx of extracellular cold resistance molecules, thus avoiding death in winter.<\/jats:p>","DOI":"10.7717\/peerj.16403","type":"journal-article","created":{"date-parts":[[2023,11,13]],"date-time":"2023-11-13T08:29:36Z","timestamp":1699864176000},"page":"e16403","source":"Crossref","is-referenced-by-count":5,"title":["Identification and characterization of cold-responsive aquaporins from the larvae of a crambid pest <i>Agriphila aeneociliella<\/i> (Eversmann) (Lepidoptera: Crambidae)"],"prefix":"10.7717","volume":"11","author":[{"given":"Chunqing","family":"Zhao","sequence":"first","affiliation":[{"name":"College of Plant Protection, Shandong Agricultural University, Taian, 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