Curvature in biological systems: its quantification, emergence, and implications across the scales

B Schamberger, R Ziege, K Anselme… - advanced …, 2023 - Wiley Online Library
Surface curvature both emerges from, and influences the behavior of, living objects at length
scales ranging from cell membranes to single cells to tissues and organs. The relevance of …

[HTML][HTML] Multiple gene co-options underlie the rapid evolution of sexually deceptive flowers in Gorteria diffusa

RT Kellenberger, U Ponraj, B Delahaie, R Fattorini… - Current Biology, 2023 - cell.com
Gene co-option, the redeployment of an existing gene in an unrelated developmental
context, is an important mechanism underlying the evolution of morphological novelty. In …

[HTML][HTML] Cuticle chemistry drives the development of diffraction gratings on the surface of Hibiscus trionum petals

E Moyroud, CA Airoldi, J Ferria, C Giorio, SS Steimer… - Current Biology, 2022 - cell.com
Plants combine both chemical and structural means to appear colorful. We now have an
extensive understanding of the metabolic pathways used by flowering plants to synthesize …

Tunable structural color with gradient and multiaxial polydimethylsiloxane wrinkling

A Tan, L Pellegrino, Z Ahmad… - Advanced Optical …, 2022 - Wiley Online Library
The generation of structural color from wrinkled polydimethylsiloxane (PDMS) surfaces,
fabricated by plasma exposure, subjected to uni‐and multi‐axial, and sequential strain fields …

P-MIRU, a polarized multispectral imaging system, reveals reflection information on the biological surface

A Balandra, Y Doll, S Hirose, T Kajiwara… - Plant and Cell …, 2023 - academic.oup.com
Reflection light forms the core of our visual perception of the world. We can obtain vast
information by examining reflection light from biological surfaces, including pigment …

[HTML][HTML] Growth directions and stiffness across cell layers determine whether tissues stay smooth or buckle

AS Yadav, L Hong, PM Klees, A Kiss, M Petit, X He… - bioRxiv, 2023 - ncbi.nlm.nih.gov
From smooth to buckled, nature exhibits organs of various shapes and forms. How cellular
growth patterns produce smooth organ shapes such as leaves and sepals remains unclear …

Morphoelastic modelling of pattern development in the petal epidermal cell cuticle

CA Lugo, C Airoldi, C Chen… - Journal of the Royal …, 2023 - royalsocietypublishing.org
We use the model system Hibiscus trionum as a vehicle to study the origin and propagation
of surface nano-ridges in plant petal epidermal cells by tracking the development of the cell …

[HTML][HTML] Multifaceted Structurally Coloured Materials: Diffraction and Total Internal Reflection (TIR) from Nanoscale Surface Wrinkling

A Tan, Z Ahmad, P Vukusic, JT Cabral - Molecules, 2023 - mdpi.com
We investigate the combined effects of surface diffraction and total internal reflection (TIR) in
the design of 3-dimensional materials exhibiting distinct structural colour on various facets …

My favourite flowering image: Arabidopsis conical petal epidermal cells

VF Irish - 2023 - academic.oup.com
When asked to write this article, I knew immediately that a scanning electron microscopic
image of Arabidopsis conical petal epidermal cells (Fig. 1), taken more than 15 years ago …

Genome and transcriptome analyses reveal genes involved in the formation of fine ridges on petal epidermal cells in Hibiscus trionum

S Koshimizu, S Masuda, A Shibata, T Ishii… - DNA …, 2023 - academic.oup.com
Hibiscus trionum, commonly known as the 'Flower of an Hour', is an easily cultivated plant in
the Malvaceae family that is widespread in tropical and temperate regions, including …