Abstract:
:Thoracian barnacles rely heavily upon their ability to adhere to surfaces and are environmentally and economically important as biofouling pests. Their adhesives have unique attributes that define them as targets for bio-inspired adhesive development. With the aid of multi-photon and broadband coherent anti-Stokes Raman scattering microscopies, we report that the larval adhesive of barnacle cyprids is a bi-phasic system containing lipids and phosphoproteins, working synergistically to maximize adhesion to diverse surfaces under hostile conditions. Lipids, secreted first, possibly displace water from the surface interface creating a conducive environment for introduction of phosphoproteins while simultaneously modulating the spreading of the protein phase and protecting the nascent adhesive plaque from bacterial biodegradation. The two distinct phases are contained within two different granules in the cyprid cement glands, implying far greater complexity than previously recognized. Knowledge of the lipidic contribution will hopefully inspire development of novel synthetic bioadhesives and environmentally benign antifouling coatings.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Gohad NV,Aldred N,Hartshorn CM,Jong Lee Y,Cicerone MT,Orihuela B,Clare AS,Rittschof D,Mount ASdoi
10.1038/ncomms5414subject
Has Abstractpub_date
2014-07-11 00:00:00pages
4414issn
2041-1723pii
ncomms5414journal_volume
5pub_type
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