{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,15]],"date-time":"2025-08-15T02:54:44Z","timestamp":1755226484009,"version":"3.43.0"},"reference-count":55,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2025,4,20]],"date-time":"2025-04-20T00:00:00Z","timestamp":1745107200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["nph.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["New Phytologist"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>\n<jats:list list-type=\"bullet\">\n\n<jats:list-item><jats:p>Many plant species have evolved surfaces that reduce insect attachment. Among such plants are deceptive trap flowers of <jats:italic>Ceropegia<\/jats:italic>. Their gliding zones consist of convex epidermal cells, each with a bristle\u2010like central protuberance and a single small liquid droplet on its tip. So far, the molecular and physical mechanisms controlling the function of these droplets are unknown.<\/jats:p><\/jats:list-item>\n\n<jats:list-item><jats:p>We analyzed the droplets of <jats:italic>Ceropegia sandersonii<\/jats:italic> flowers by microscopic approaches, studied how they behave when getting in contact with the feet of fly pollinators, and analyzed their chemical composition.<\/jats:p><\/jats:list-item>\n\n<jats:list-item><jats:p>The droplets contaminate the insect feet, on which they solidify. As its main component, a negatively charged polysaccharide containing a \u03b21,3\u2010galactan backbone and Rha\u2010\u03b11,4\u2010GlcA\u2010\u03b21,6\u2010[Araf\u2010\u03b11,3\u2010]Gal\u2010\u03b21,6 side chains or truncated versions of it was identified. The chemical structure represents a rudimentary version of an arabinogalactan, which is supported by its binding to \u03b2\u2010<jats:sc>d<\/jats:sc>\u2010glucosyl Yariv reagent. Candidates of arabinogalactan proteins were identified to which the polysaccharide might be connected.<\/jats:p><\/jats:list-item>\n\n<jats:list-item><jats:p>The high amount of GlcA in the polysaccharide helps to explain the unusual physical characteristics of the droplets, like viscoelasticity and hygroscopy. We add a new function to arabinogalactans and discuss why the identified polymer is well suited for catching and temporarily trapping pollinators.<\/jats:p><\/jats:list-item>\n<\/jats:list>\n<\/jats:p>","DOI":"10.1111\/nph.70144","type":"journal-article","created":{"date-parts":[[2025,4,21]],"date-time":"2025-04-21T01:52:06Z","timestamp":1745200326000},"page":"2738-2752","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Deceptive <i>Ceropegia sandersonii<\/i> uses an arabinogalactan for trapping its fly pollinators"],"prefix":"10.1111","volume":"246","author":[{"given":"Philipp","family":"Feichtlbauer","sequence":"first","affiliation":[{"name":"Department of Environment and Biodiversity University of Salzburg  Hellbrunnerstra\u00dfe 34 5020 Salzburg Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0278-4091","authenticated-orcid":false,"given":"Mario","family":"Schubert","sequence":"additional","affiliation":[{"name":"Department of Biosciences and Medical Biology University of Salzburg  Hellbrunnerstra\u00dfe 34 5020 Salzburg Austria"},{"name":"Institute of Chemistry and Biochemistry Free University of Berlin  Takustr. 3 14195 Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caroline","family":"Mortier","sequence":"additional","affiliation":[{"name":"Department of Biosciences and Medical Biology University of Salzburg  Hellbrunnerstra\u00dfe 34 5020 Salzburg Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7938-4494","authenticated-orcid":false,"given":"Christof","family":"Regl","sequence":"additional","affiliation":[{"name":"Department of Biosciences and Medical Biology University of Salzburg  Hellbrunnerstra\u00dfe 34 5020 Salzburg Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4681-6307","authenticated-orcid":false,"given":"Peter","family":"Lackner","sequence":"additional","affiliation":[{"name":"Department of Biosciences and Medical Biology University of Salzburg  Hellbrunnerstra\u00dfe 34 5020 Salzburg Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Briza","sequence":"additional","affiliation":[{"name":"Department of Biosciences and Medical Biology University of Salzburg  Hellbrunnerstra\u00dfe 34 5020 Salzburg Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Klaus","family":"Herburger","sequence":"additional","affiliation":[{"name":"Institute of Biological Sciences University of Rostock  Albert\u2010Einstein\u2010Str. 3 18059 Rostock Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7395-5199","authenticated-orcid":false,"given":"Ulrich","family":"Meve","sequence":"additional","affiliation":[{"name":"Department of Plant Systematics University of Bayreuth  Universit\u00e4tsstr. 30 95440 Bayreuth Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2741-6383","authenticated-orcid":false,"given":"John W. 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