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@article{2387898, author = {Hubinský, Marcel and José, Javier MartínandGómez and Cervantes, Emilio and Hobza, Roman and Rodríguez Lorenzo, José Luís}, article_location = {Lausanne}, article_number = {March 2024}, doi = {http://dx.doi.org/10.3389/fpls.2024.1297676}, keywords = {elliptical Fourier analysis; Morphometrics geometrics; plant hybrid; polyploidy; seed shape; Silene dioica; Silene latifolia; symmetry}, language = {eng}, issn = {1664-462X}, journal = {Frontiers in Plant Science}, title = {Seed shape and size of Silene latifolia, differences between sexes, and influence of the parental genome in hybrids with Silene dioica}, url = {https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2024.1297676}, volume = {15}, year = {2024} }
TY - JOUR ID - 2387898 AU - Hubinský, Marcel - José, Javier Martín-Gómez - Cervantes, Emilio - Hobza, Roman - Rodríguez Lorenzo, José Luís PY - 2024 TI - Seed shape and size of Silene latifolia, differences between sexes, and influence of the parental genome in hybrids with Silene dioica JF - Frontiers in Plant Science VL - 15 IS - March 2024 SP - 1-13 EP - 1-13 PB - Frontiers Media SA SN - 1664462X KW - elliptical Fourier analysis KW - Morphometrics geometrics KW - plant hybrid KW - polyploidy KW - seed shape KW - Silene dioica KW - Silene latifolia KW - symmetry UR - https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2024.1297676 N2 - Introduction: Plants undergo various natural changes that dramatically modify their genomes. One is polyploidization and the second is hybridization. Both are regarded as key factors in plant evolution and result in phenotypic differences in different plant organs. In Silene, we can find both examples in nature, and this genus has a seed shape diversity that has long been recognized as a valuable source of information for infrageneric classification. Methods: Morphometric analysis is a statistical study of shape and size and their covariations with other variables. Traditionally, seed shape description was limited to an approximate comparison with geometric figures (rounded, globular, reniform, or heart-shaped). Seed shape quantification has been based on direct measurements, such as area, perimeter, length, and width, narrowing statistical analysis. We used seed images and processed them to obtain silhouettes. We performed geometric morphometric analyses, such as similarity to geometric models and elliptic Fourier analysis, to study the hybrid offspring of S. latifolia and S. dioica. Results: We generated synthetic tetraploids of Silene latifolia and performed controlled crosses between diploid S. latifolia and Silene dioica to analyze seed morphology. After imaging capture and post-processing, statistical analysis revealed differences in seed size, but not in shape, between S. latifolia diploids and tetraploids, as well as some differences in shape among the parentals and hybrids. A detailed inspection using fluorescence microscopy allowed for the identification of shape differences in the cells of the seed coat. In the case of hybrids, differences were found in circularity and solidity. Overal seed shape is maternally regulated for both species, whereas cell shape cannot be associated with any of the sexes. Discussion: Our results provide additional tools useful for the combination of morphology with genetics, ecology or taxonomy. Seed shape is a robust indicator that can be used as a complementary tool for the genetic and phylogenetic analyses of Silene hybrid populations. ER -
HUBINSKÝ, Marcel, Javier Martín-Gómez JOSÉ, Emilio CERVANTES, Roman HOBZA and José Luís RODRÍGUEZ LORENZO. Seed shape and size of Silene latifolia, differences between sexes, and influence of the parental genome in hybrids with Silene dioica. \textit{Frontiers in Plant Science}. Lausanne: Frontiers Media SA, 2024, vol.~15, March 2024, p.~1-13. ISSN~1664-462X. Available from: https://dx.doi.org/10.3389/fpls.2024.1297676.
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