TY - JOUR A1 - Sicard, Adrien A1 - Lenhard, Michael T1 - The selfing syndrome a model for studying the genetic and evolutionary basis of morphological adaptation in plants JF - Annals of botany N2 - Background In angiosperm evolution, autogamously selfing lineages have been derived from outbreeding ancestors multiple times, and this transition is regarded as one of the most common evolutionary tendencies in flowering plants. In most cases, it is accompanied by a characteristic set of morphological and functional changes to the flowers, together termed the selfing syndrome. Two major areas that have changed during evolution of the selfing syndrome are sex allocation to male vs. female function and flower morphology, in particular flower (mainly petal) size and the distance between anthers and stigma. Scope A rich body of theoretical, taxonomic, ecological and genetic studies have addressed the evolutionary modification of these two trait complexes during or after the transition to selfing. Here, we review our current knowledge about the genetics and evolution of the selfing syndrome. Conclusions We argue that because of its frequent parallel evolution, the selfing syndrome represents an ideal model for addressing basic questions about morphological evolution and adaptation in flowering plants, but that realizing this potential will require the molecular identification of more of the causal genes underlying relevant trait variation. KW - Evolution KW - selfing syndrome KW - autogamy KW - pollen-to-ovule ratio KW - flower size KW - herkogamy KW - quantitative trait loci KW - self-incompatibility Y1 - 2011 U6 - https://doi.org/10.1093/aob/mcr023 SN - 0305-7364 SN - 1095-8290 VL - 107 IS - 9 SP - 1433 EP - 1443 PB - Oxford Univ. Press CY - Oxford ER - TY - GEN A1 - Jantzen, Friederike A1 - Lynch, Joseph H. A1 - Kappel, Christian A1 - Höfflin, Jona A1 - Skaliter, Oded A1 - Wozniak, Natalia Joanna A1 - Sicard, Adrien A1 - Sas, Claudia A1 - Adebesin, Funmilayo A1 - Ravid, Jasmin A1 - Vainstein, Alexander A1 - Hilker, Monika A1 - Dudareva, Natalia A1 - Lenhard, Michael T1 - Retracing the molecular basis and evolutionary history of the loss of benzaldehyde emission in the genus Capsella T2 - Postprints der Universität Potsdam Mathematisch-Naturwissenschaftliche Reihe N2 - The transition from pollinator-mediated outbreeding to selfing has occurred many times in angiosperms. This is generally accompanied by a reduction in traits attracting pollinators, including reduced emission of floral scent. In Capsella, emission of benzaldehyde as a main component of floral scent has been lost in selfing C. rubella by mutation of cinnamate-CoA ligase CNL1. However, the biochemical basis and evolutionary history of this loss remain unknown, as does the reason for the absence of benzaldehyde emission in the independently derived selfer Capsella orientalis. We used plant transformation, in vitro enzyme assays, population genetics and quantitative genetics to address these questions. CNL1 has been inactivated twice independently by point mutations in C. rubella, causing a loss of enzymatic activity. Both inactive haplotypes are found within and outside of Greece, the centre of origin of C. rubella, indicating that they arose before its geographical spread. By contrast, the loss of benzaldehyde emission in C. orientalis is not due to an inactivating mutation in CNL1. CNL1 represents a hotspot for mutations that eliminate benzaldehyde emission, potentially reflecting the limited pleiotropy and large effect of its inactivation. Nevertheless, even closely related species have followed different evolutionary routes in reducing floral scent. T3 - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 775 KW - benzaldehyde KW - Capsella KW - cinnamate-CoA ligase KW - evolution KW - floral scent KW - selfing syndrome KW - shepherd’s purse Y1 - 2019 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-437542 SN - 1866-8372 IS - 775 SP - 1349 EP - 1360 ER -