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Convergent evolution of disordered lipidic structural colour in the fruits of Lantana strigocamara (syn. L. camara hybrid cultivar).

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cam.issuedOnline2022-06-10
dc.contributor.authorSinnott-Armstrong, Miranda A
dc.contributor.authorOgawa, Yu
dc.contributor.authorvan de Kerkhof, Gea Theodora
dc.contributor.authorVignolini, Silvia
dc.contributor.authorSmith, Stacey D
dc.contributor.orcidSinnott-Armstrong, Miranda A [0000-0002-1806-565X]
dc.contributor.orcidOgawa, Yu [0000-0003-0677-7913]
dc.contributor.orcidvan de Kerkhof, Gea Theodora [0000-0003-2427-2740]
dc.contributor.orcidVignolini, Silvia [0000-0003-0664-1418]
dc.contributor.orcidSmith, Stacey D [0000-0003-2010-4459]
dc.date.accessioned2022-06-10T16:00:41Z
dc.date.available2022-06-10T16:00:41Z
dc.date.issued2022-08
dc.date.submitted2022-02-05
dc.date.updated2022-06-10T16:00:41Z
dc.description.abstractThe majority of plant colours are produced by anthocyanin and carotenoid pigments, but colouration obtained by nanostructured materials (i.e. structural colours) is increasingly reported in plants. Here, we identify a multilayer photonic structure in the fruits of Lantana strigocamara and compare it with a similar structure in Viburnum tinus fruits. We used a combination of transmission electron microscopy (EM), serial EM tomography, scanning force microscopy and optical simulations to characterise the photonic structure in L. strigocamara. We also examine the development of the structure during maturation. We found that the structural colour derives from a disordered, multilayered reflector consisting of lipid droplets of c.105 nm that form a plate-like structure in 3D. This structure begins to form early in development and reflects blue wavelengths of light with increasing intensity over time as the structure develops. The materials used are likely to be lipid polymers. Lantana strigocamara is the second origin of a lipid-based photonic structure, convergently evolved with the structure in Viburnum tinus. Chemical differences between the lipids in L. strigocamara and those of V. tinus suggest a distinct evolutionary trajectory with implications for the signalling function of structural colours in fruits.
dc.identifier.doi10.17863/CAM.85399
dc.identifier.eissn1469-8137
dc.identifier.issn0028-646X
dc.identifier.othernph18262
dc.identifier.other2022-39204
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/337994
dc.languageen
dc.language.isoeng
dc.publisherWiley
dc.publisher.urlhttp://dx.doi.org/10.1111/nph.18262
dc.subjectconvergent evolution
dc.subjectfruit colour
dc.subjecthonest signalling
dc.subjectlantana
dc.subjectplant lipids
dc.subjectseed dispersal
dc.subjectstructural colour
dc.subjectColor
dc.subjectFruit
dc.subjectLantana
dc.subjectLipids
dc.subjectViburnum
dc.titleConvergent evolution of disordered lipidic structural colour in the fruits of Lantana strigocamara (syn. L. camara hybrid cultivar).
dc.typeArticle
dcterms.dateAccepted2022-04-05
prism.publicationNameNew Phytol
pubs.funder-project-idBiotechnology and Biological Sciences Research Council (BB/K014617/1)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (722842)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) ERC (101001637)
pubs.funder-project-idEuropean Research Council (639088)
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
rioxxterms.versionVoR
rioxxterms.versionofrecord10.1111/nph.18262

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