Journal
JOURNAL OF BIOSCIENCES
Volume 46, Issue 3, Pages -Publisher
INDIAN ACAD SCIENCES
DOI: 10.1007/s12038-021-00202-1
Keywords
Activator-inhibitor model; pattern formation; Passiflora incarnata
Categories
Funding
- Department of Science and Technology, New Delhi
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The alternating bands of violet and white color in the matured flowers of Passiflora incarnata arise from competition between violet colored anthocyanin and colorless flavonols on the filaments. The formation of concentric rings in the flower can be explained using the activator-inhibitor model of Gierer and Meinhardt along with Turing's reaction diffusion theory.
Based on a careful examination of the onset of violet colored dots along the filaments in the developing floral bud stage and the formation of alternating bands of violet and white color in the matured flowers of Passiflora incarnata (Passion flower), it is concluded that the pattern arises from a competition between the production of violet colored anthocyanin and the colorless flavonols along the filaments. The activator-inhibitor model of Gierer and Meinhardt along with the reaction diffusion theory of Turing is used to explain the formation of concentric rings in the flower.
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