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A leaf-mimicking moth uses nanostructures to create 3D leaf shape appearance.
Curr Biol
February 2025
Department of Chemistry and Physics of Materials, University of Salzburg, Salzburg 5020, Austria.
Nature provides many astonishing examples of visual deception, from fish that resemble leaves to spiders and butterfly pupae that look like bird droppings or moth larvae that bear a striking resemblance to the head and neck of a tree snake. Most types of camouflage rely on preventing object detection, but this strategy of resemblance, known as masquerade, operates by fooling the viewer into misidentifying the animal as an inedible or unprofitable object rather than as predator or prey. As masquerade hinders object identification, the masquerader must have coloration that recreates the visual features of the object being mimicked.
View Article and Find Full Text PDF[The many ways flowers send signals to pollinators].
Biol Aujourdhui
January 2025
Institut d'Écologie et des Sciences de l'Environnement de Paris (iEES Paris), Paris, France - Sorbonne Université, 4 place Jussieu, 75005 Paris, France.
The evolutionary success of angiosperms, which make up more than 95 percent of the world's terrestrial flora, is largely based on their interactions with animal pollinators. Indeed, it is estimated that, on average, 87.5 percent of flowering plants are pollinated by animals.
View Article and Find Full Text PDFWhile numerous studies have confirmed sexual selection for ornamental traits in animals, it remains unclear about how animals exaggerate ornamentation across traits. I found that some Asian barn swallows possessed "pseudo-tail spots" on their undertail coverts adjacent to a well-known sexual signal, the white tail spots. A close inspection showed their remarkable resemblance, and, as a consequence, pseudo-tail spots appear to add white spots to the uniformly black central tail feathers, increasing the total number and area of white spots when spread tails are viewed from below.
View Article and Find Full Text PDFComplex petal spot formation in the Beetle Daisy (Gorteria diffusa) relies on spot-specific accumulation of malonylated anthocyanin regulated by paralogous GdMYBSG6 transcription factors.
New Phytol
July 2024
Department of Plant Sciences, University of Cambridge, Downing St., Cambridge, CB2 3EA, UK.
Gorteria diffusa has elaborate petal spots that attract pollinators through sexual deception, but how G. diffusa controls spot development is largely unknown. Here, we investigate how pigmentation is regulated during spot formation.
View Article and Find Full Text PDFDeceptive pigment changes in neoadjuvant sonidegib therapy for basal cell carcinoma.
Br J Dermatol
August 2024
Department of Dermatology and Venereology, Peking University First Hospital, Beijing, China.
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