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  • Pereira, Rui F. P.Univ Minho, Chem Dept, Braga, Portugal.;Univ Minho, Chem Ctr, Braga, Portugal. (author)

Vicariance Between Cercis siliquastrum L. and Ceratonia siliqua L. Unveiled by the Physical-Chemical Properties of the Leaves' Epicuticular Waxes

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-07-04
  • Frontiers Media SA,2022
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-316135
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-316135URI
  • https://doi.org/10.3389/fpls.2022.890647DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20220810
  • Classically, vicariant phenomena have been essentially identified on the basis of biogeographical and ecological data. Here, we report unequivocal evidences that demonstrate that a physical-chemical characterization of the epicuticular waxes of the surface of plant leaves represents a very powerful strategy to get rich insight into vicariant events. We found vicariant similarity between Cercis siliquastrum L. (family Fabaceae, subfamily Cercidoideae) and Ceratonia siliqua L. (family Fabaceae, subfamily Caesalpinoideae). Both taxa converge in the Mediterranean basin (C. siliquastrum on the north and C. siliqua across the south), in similar habitats (sclerophyll communities of maquis) and climatic profiles. These species are the current representation of their subfamilies in the Mediterranean basin, where they overlap. Because of this biogeographic and ecological similarity, the environmental pattern of both taxa was found to be very significant. The physical-chemical analysis performed on the epicuticular waxes of C. siliquastrum and C. siliqua leaves provided relevant data that confirm the functional proximity between them. A striking resemblance was found in the epicuticular waxes of the abaxial surfaces of C. siliquastrum and C. siliqua leaves in terms of the dominant chemical compounds (1-triacontanol (C30) and 1-octacosanol (C28), respectively), morphology (intricate network of randomly organized nanometer-thick and micrometer-long plates), wettability (superhydrophobic character, with water contact angle values of 167.5 +/- 0.5 degrees and 162 +/- 3 degrees, respectively), and optical properties (in both species the light reflectance/absorptance of the abaxial surface is significantly higher/lower than that of the adaxial surface, but the overall trend in reflectance is qualitatively similar). These results enable us to include for the first time C. siliqua in the vicariant process exhibited by C. canadensis L., C. griffithii L., and C. siliquastrum.

Subject headings and genre

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  • Rocha, JoaoUniv Tras os Montes & Alto Douro, CQ VR, Vila Real, Portugal.;Univ Tras os Montes & Alto Douro, Herbarium & Bot Garden, Vila Real, Portugal. (author)
  • Nunes, PauloUniv Tras os Montes & Alto Douro, CQ VR, Vila Real, Portugal. (author)
  • Fernandes, TaniaUniv Minho, Chem Dept, Braga, Portugal.;Univ Minho, Chem Ctr, Braga, Portugal. (author)
  • Ravishankar, Ajith PadyanaKTH,Fotonik(Swepub:kth)u1v5tmuh (author)
  • Cruz, RebecaUniv Porto, Fac Pharm, Dept Chem Sci, Lab Bromatol & Hydrol,LAQV REQUIMTE, Porto, Portugal. (author)
  • Fernandes, MarianaUniv Tras os Montes & Alto Douro, CQ VR, Vila Real, Portugal.;Univ Tras os Montes & Alto Douro, Dept Chem, Vila Real, Portugal. (author)
  • Anand, Srinivasan,professor,1964-KTH,Fotonik(Swepub:kth)u16fqvka (author)
  • Casal, SusanaUniv Porto, Fac Pharm, Dept Chem Sci, Lab Bromatol & Hydrol,LAQV REQUIMTE, Porto, Portugal. (author)
  • Bermudez, Veronica de ZeaUniv Tras os Montes & Alto Douro, CQ VR, Vila Real, Portugal.;Univ Tras os Montes & Alto Douro, Dept Chem, Vila Real, Portugal. (author)
  • Crespi, Antonio L.Univ Tras os Montes & Alto Douro, Herbarium & Bot Garden, Vila Real, Portugal.;Univ Tras os Montes & Alto Douro, Dept Biol & Environm Engn, CITAB, Vila Real, Portugal. (author)
  • Univ Minho, Chem Dept, Braga, Portugal.;Univ Minho, Chem Ctr, Braga, Portugal.Univ Tras os Montes & Alto Douro, CQ VR, Vila Real, Portugal.;Univ Tras os Montes & Alto Douro, Herbarium & Bot Garden, Vila Real, Portugal. (creator_code:org_t)

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  • In:Frontiers in Plant Science: Frontiers Media SA131664-462X

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