{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Monn MA"],"funding":["Korea Institute of Machine &amp; Materials","NSF | MPS | Division of Materials Research"],"pagination":["4976-81"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4413295"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["112(16)"],"pubmed_abstract":["To adapt to a wide range of physically demanding environmental conditions, biological systems have evolved a diverse variety of robust skeletal architectures. One such example, Euplectella aspergillum, is a sediment-dwelling marine sponge that is anchored into the sea floor by a flexible holdfast apparatus consisting of thousands of anchor spicules (long, hair-like glassy fibers). Each spicule is covered with recurved barbs and has an internal architecture consisting of a solid core of silica surrounded by an assembly of coaxial silica cylinders, each of which is separated by a thin organic layer. The thickness of each silica cylinder progressively decreases from the spicule's core to its periphery, which we hypothesize is an adaptation for redistributing internal stresses, thus increasing"],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pubmed_title":["New functional insights into the internal architecture of the laminated anchor spicules of Euplectella aspergillum."],"pmcid":["PMC4413295"],"funding_grant_id":["1420570","529518","0520651"],"pubmed_authors":["Kesari H","Zhang T","Monn MA","Aizenberg J","Weaver JC"],"additional_accession":[]},"is_claimable":false,"name":"New functional insights into the internal architecture of the laminated anchor spicules of Euplectella aspergillum.","description":"To adapt to a wide range of physically demanding environmental conditions, biological systems have evolved a diverse variety of robust skeletal architectures. One such example, Euplectella aspergillum, is a sediment-dwelling marine sponge that is anchored into the sea floor by a flexible holdfast apparatus consisting of thousands of anchor spicules (long, hair-like glassy fibers). Each spicule is covered with recurved barbs and has an internal architecture consisting of a solid core of silica surrounded by an assembly of coaxial silica cylinders, each of which is separated by a thin organic layer. The thickness of each silica cylinder progressively decreases from the spicule's core to its periphery, which we hypothesize is an adaptation for redistributing internal stresses, thus increasing","dates":{"release":"2015-01-01T00:00:00Z","publication":"2015 Apr","modification":"2025-04-04T19:47:21.038Z","creation":"2019-03-27T01:50:40Z"},"accession":"S-EPMC4413295","cross_references":{"pubmed":["25848003"],"doi":["10.1073/pnas.1415502112"]}}