Hörandl, Elvira

[["dc.bibliographiccitation.artnumber","20161221"],["dc.bibliographiccitation.issue","1838"],["dc.bibliographiccitation.journal","Proceedings of The Royal Society B Biological Sciences"],["dc.bibliographiccitation.volume","283"],["dc.contributor.author","Mirzaghaderi, Ghader"],["dc.contributor.author","Hoerandl, Elvira"],["dc.date.accessioned","2018-11-07T10:08:32Z"],["dc.date.available","2018-11-07T10:08:32Z"],["dc.date.issued","2016"],["dc.description.abstract","Meiosis is an ancestral, highly conserved process in eukaryotic life cycles, and for all eukaryotes the shared component of sexual reproduction. The benefits and functions of meiosis, however, are still under discussion, especially considering the costs of meiotic sex. To get a novel view on this old problem, we filter out the most conserved elements of meiosis itself by reviewing the various modifications and alterations of modes of reproduction. Our rationale is that the indispensable steps of meiosis for viability of offspring would be maintained by strong selection, while dispensable steps would be variable. We review evolutionary origin and processes in normal meiosis, restitutional meiosis, polyploidization and the alterations of meiosis in forms of uniparental reproduction (apomixis, apomictic parthenogenesis, automixis, selfing) with a focus on plants and animals. This overview suggests that homologue pairing, double-strand break formation and homologous recombinational repair at prophase I are the least dispensable elements, and they are more likely optimized for repair of oxidative DNA damage rather than for recombination. Segregation, ploidy reduction and also a biparental genome contribution can be skipped for many generations. The evidence supports the theory that the primary function of meiosis is DNA restoration rather than recombination."],["dc.description.sponsorship","German Research Fund (DFG) [Ho 4395/4-1]"],["dc.identifier.doi","10.1098/rspb.2016.1221"],["dc.identifier.isi","000386195400003"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14307"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/39482"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Royal Soc"],["dc.relation.issn","1471-2954"],["dc.relation.issn","0962-8452"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","The evolution of meiotic sex and its alternatives"],["dc.type","review"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","AoB PLANTS"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","Zhang, Yuhuan"],["dc.contributor.author","Wu, Hairong"],["dc.contributor.author","Hörandl, Elvira"],["dc.contributor.author","de Oliveira Franca, Rafael"],["dc.contributor.author","Wang, LiXin"],["dc.contributor.author","Hao, Jianhua"],["dc.contributor.editor","Lu, Baorong"],["dc.date.accessioned","2021-06-01T09:41:52Z"],["dc.date.available","2021-06-01T09:41:52Z"],["dc.date.issued","2021"],["dc.description.abstract","Abstract Understanding the reproductive mechanisms of invasive alien species can lay the foundation for effective control measures. Praxelis clematidea is a triploid neotropical Asteraceae species that is invasive in China and other countries. However, few studies have focused on its reproductive biology. In this study, flow cytometric seed screening (FCSS) was used to identify and confirm the reproductive mode of the species. The development of ovules, anthers, and mega- and microgametophytes was observed using a clearing method and differential interference contrast microscopy. Pollen viability was measured using the Benzidine test and Alexander’s stain. Pollen morphology was observed via fluorescence microscopy after sectioning the disk florets and staining with water-soluble aniline blue or 4′6-diamidino-2-phenylindole nuclei dyes. Controlled pollination experiments were conducted on four populations in China to examine the breeding system and to confirm autonomous apomixis. The reproductive mode was found to be autonomous apomixis without pseudogamy, according to FCSS. Megaspore mother cells developed directly into eight-nucleate megagametophytes without meiosis, conforming to Antennaria-type diplospory. The unreduced egg cells developed into embryos through parthenogenesis, while the endosperm was formed by the fusion of two unreduced polar nuclei. Pollen viability was very low (0.82 ± 0.57 % and 0.36 ± 0.44 %) as measured by the Benzidine test and Alexander’s stain, respectively. The majority of the pollen grains were empty and had neither cytoplasm nor nuclei. The seed set was >90 % for all treatments of open pollination, bagging and emasculated capitula. Mature cypselae developed in capitula that were emasculated before flowering, which confirmed that the breeding system of P. clematidea was autonomous apomixis. The present study is the first report of autonomous apomixis in P. clematidea in China. Antennaria-type autonomous apomixis in P. clematidea greatly increases the probability of successful colonisation and dispersal of P. clematidea into new areas, which likely contributes to its high invasion potential. Effective control measures should be implemented to prevent autonomous (pollen-independent) seed production."],["dc.identifier.doi","10.1093/aobpla/plab007"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/85065"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-425"],["dc.relation.eissn","2041-2851"],["dc.title","Autonomous apomixis in Praxelis clematidea (Asteraceae: Eupatorieae), an invasive alien plant"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Molecular Ecology Resources"],["dc.contributor.author","He, Li"],["dc.contributor.author","Jia, Kai‐Hua"],["dc.contributor.author","Zhang, Ren‐Gang"],["dc.contributor.author","Wang, Yuan"],["dc.contributor.author","Shi, Tian‐Le"],["dc.contributor.author","Li, Zhi‐Chao"],["dc.contributor.author","Zeng, Si‐Wen"],["dc.contributor.author","Cai, Xin‐Jie"],["dc.contributor.author","Wagner, Natascha Dorothea"],["dc.contributor.author","Hörandl, Elvira"],["dc.contributor.author","Muyle, Aline"],["dc.contributor.author","Yang, Ke"],["dc.contributor.author","Charlesworth, Deborah"],["dc.contributor.author","Mao, Jian‐Feng"],["dc.date.accessioned","2021-04-14T08:28:22Z"],["dc.date.available","2021-04-14T08:28:22Z"],["dc.date.issued","2021"],["dc.identifier.doi","10.1111/1755-0998.13362"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82584"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1755-0998"],["dc.relation.issn","1755-098X"],["dc.title","Chromosome‐scale assembly of the genome of Salix dunnii reveals a male‐heterogametic sex determination system on chromosome 7"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1066"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Taxon"],["dc.bibliographiccitation.lastpage","1081"],["dc.bibliographiccitation.volume","67"],["dc.contributor.author","Hörandl, Elvira"],["dc.date.accessioned","2020-12-10T18:41:56Z"],["dc.date.available","2020-12-10T18:41:56Z"],["dc.date.issued","2018"],["dc.identifier.doi","10.12705/676.5"],["dc.identifier.issn","0040-0262"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/77736"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","The classification of asexual organisms: Old myths, new facts, and a novel pluralistic approach"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","12"],["dc.contributor.author","Wagner, Natascha D."],["dc.contributor.author","Volf, Martin"],["dc.contributor.author","Hörandl, Elvira"],["dc.date.accessioned","2021-10-01T09:57:39Z"],["dc.date.available","2021-10-01T09:57:39Z"],["dc.date.issued","2021"],["dc.description.abstract","Plastome phylogenomics is used in a broad range of studies where single markers do not bear enough information. Phylogenetic reconstruction in the genus Salix is difficult due to the lack of informative characters and reticulate evolution. Here, we use a genome skimming approach to reconstruct 41 complete plastomes of 32 Eurasian and North American Salix species representing different lineages, different ploidy levels, and separate geographic regions. We combined our plastomes with published data from Genbank to build a comprehensive phylogeny of 61 samples (50 species) using RAxML (Randomized Axelerated Maximum Likelihood). Additionally, haplotype networks for two observed subclades were calculated, and 72 genes were tested to be under selection. The results revealed a highly conserved structure of the observed plastomes. Within the genus, we observed a variation of 1.68%, most of which separated subg. Salix from the subgeneric Chamaetia/Vetrix clade. Our data generally confirm previous plastid phylogenies, however, within Chamaetia/Vetrix phylogenetic results represented neither taxonomical classifications nor geographical regions. Non-coding DNA regions were responsible for most of the observed variation within subclades and 5.6% of the analyzed genes showed signals of diversifying selection. A comparison of nuclear restriction site associated DNA (RAD) sequencing and plastome data on a subset of 10 species showed discrepancies in topology and resolution. We assume that a combination of (i) a very low mutation rate due to efficient mechanisms preventing mutagenesis, (ii) reticulate evolution, including ancient and ongoing hybridization, and (iii) homoplasy has shaped plastome evolution in willows."],["dc.description.abstract","Plastome phylogenomics is used in a broad range of studies where single markers do not bear enough information. Phylogenetic reconstruction in the genus Salix is difficult due to the lack of informative characters and reticulate evolution. Here, we use a genome skimming approach to reconstruct 41 complete plastomes of 32 Eurasian and North American Salix species representing different lineages, different ploidy levels, and separate geographic regions. We combined our plastomes with published data from Genbank to build a comprehensive phylogeny of 61 samples (50 species) using RAxML (Randomized Axelerated Maximum Likelihood). Additionally, haplotype networks for two observed subclades were calculated, and 72 genes were tested to be under selection. The results revealed a highly conserved structure of the observed plastomes. Within the genus, we observed a variation of 1.68%, most of which separated subg. Salix from the subgeneric Chamaetia/Vetrix clade. Our data generally confirm previous plastid phylogenies, however, within Chamaetia/Vetrix phylogenetic results represented neither taxonomical classifications nor geographical regions. Non-coding DNA regions were responsible for most of the observed variation within subclades and 5.6% of the analyzed genes showed signals of diversifying selection. A comparison of nuclear restriction site associated DNA (RAD) sequencing and plastome data on a subset of 10 species showed discrepancies in topology and resolution. We assume that a combination of (i) a very low mutation rate due to efficient mechanisms preventing mutagenesis, (ii) reticulate evolution, including ancient and ongoing hybridization, and (iii) homoplasy has shaped plastome evolution in willows."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.3389/fpls.2021.662715"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/89885"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-469"],["dc.relation.eissn","1664-462X"],["dc.relation.orgunit","Albrecht-von-Haller-Institut für Pflanzenwissenschaften"],["dc.rights","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Highly Diverse Shrub Willows (Salix L.) Share Highly Similar Plastomes"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","3318"],["dc.bibliographiccitation.issue","9"],["dc.bibliographiccitation.journal","International Journal of Molecular Sciences"],["dc.bibliographiccitation.volume","21"],["dc.contributor.affiliation","Schinkel, Christoph C. F.; \t\t \r\n\t\t Department of Systematics, Biodiversity and Evolution of Plants (with Herbarium), University of Goettingen, Untere Karspüle 2, 37073 Göttingen, Germany, christoph.cf.schinkel@gmail.com"],["dc.contributor.affiliation","Syngelaki, Eleni; \t\t \r\n\t\t Department of Systematics, Biodiversity and Evolution of Plants (with Herbarium), University of Goettingen, Untere Karspüle 2, 37073 Göttingen, Germany, eleni.syngelaki@uni-goettingen.de"],["dc.contributor.affiliation","Kirchheimer, Bernhard; \t\t \r\n\t\t Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria, bernhard.kirchheimer@univie.ac.at"],["dc.contributor.affiliation","Dullinger, Stefan; \t\t \r\n\t\t Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria, stefan.dullinger@univie.ac.at"],["dc.contributor.affiliation","Klatt, Simone; \t\t \r\n\t\t Section Safety and Environmental Protection, University of Goettingen, Humboldtallee 15, 37073 Göttingen, Germany, simone.klatt@zvw.uni-goettingen.de"],["dc.contributor.affiliation","Hörandl, Elvira; \t\t \r\n\t\t Department of Systematics, Biodiversity and Evolution of Plants (with Herbarium), University of Goettingen, Untere Karspüle 2, 37073 Göttingen, Germany, ehoeran@gwdg.de"],["dc.contributor.author","Schinkel, Christoph C. F."],["dc.contributor.author","Syngelaki, Eleni"],["dc.contributor.author","Kirchheimer, Bernhard"],["dc.contributor.author","Dullinger, Stefan"],["dc.contributor.author","Klatt, Simone"],["dc.contributor.author","Hörandl, Elvira"],["dc.date.accessioned","2021-04-14T08:26:23Z"],["dc.date.available","2021-04-14T08:26:23Z"],["dc.date.issued","2020"],["dc.date.updated","2022-09-07T00:24:28Z"],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft"],["dc.description.sponsorship","Austrian Science Fund"],["dc.identifier.doi","10.3390/ijms21093318"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17424"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/81927"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.notes.intern","Merged from goescholar"],["dc.relation.eissn","1422-0067"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Epigenetic Patterns and Geographical Parthenogenesis in the Alpine Plant Species Ranunculus kuepferi (Ranunculaceae)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","44"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Journal of Systematics and Evolution"],["dc.bibliographiccitation.lastpage","57"],["dc.bibliographiccitation.volume","59"],["dc.contributor.author","He, Li"],["dc.contributor.author","Wagner, Natascha Dorothea"],["dc.contributor.author","Hörandl, Elvira"],["dc.date.accessioned","2021-04-14T08:25:24Z"],["dc.date.available","2021-04-14T08:25:24Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1111/jse.12593"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/81619"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1759-6831"],["dc.relation.issn","1674-4918"],["dc.title","Restriction‐site associated DNA sequencing data reveal a radiation of willow species ( Salix L., Salicaceae) in the Hengduan Mountains and adjacent areas"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e103003"],["dc.bibliographiccitation.issue","7"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.volume","9"],["dc.contributor.author","Hodac, Ladislav"],["dc.contributor.author","Scheben, Armin Patrick"],["dc.contributor.author","Hojsgaard, Diego H."],["dc.contributor.author","Paun, Ovidiu"],["dc.contributor.author","Hoerandl, Elvira"],["dc.date.accessioned","2018-11-07T09:37:30Z"],["dc.date.available","2018-11-07T09:37:30Z"],["dc.date.issued","2014"],["dc.description.abstract","The reconstruction of reticulate evolutionary histories in plants is still a major methodological challenge. Sequences of the ITS nrDNA are a popular marker to analyze hybrid relationships, but variation of this multicopy spacer region is affected by concerted evolution, high intraindividual polymorphism, and shifts in mode of reproduction. The relevance of changes in secondary structure is still under dispute. We aim to shed light on the extent of polymorphism within and between sexual species and their putative natural as well as synthetic hybrid derivatives in the Ranunculus auricomus complex to test morphology-based hypotheses of hybrid origin and parentage of taxa. We employed direct sequencing of ITS nrDNA from 68 individuals representing three sexuals, their synthetic hybrids and one sympatric natural apomict, as well as cloning of ITS copies in four representative individuals, RNA secondary structure analysis, and landmark geometric morphometric analysis on leaves. Phylogenetic network analyses indicate additivity of parental ITS variants in both synthetic and natural hybrids. The triploid synthetic hybrids are genetically much closer to their maternal progenitors, probably due to ploidy dosage effects, although exhibiting a paternal-like leaf morphology. The natural hybrids are genetically and morphologically closer to the putative paternal progenitor species. Secondary structures of ITS1-5.8S-ITS2 were rather conserved in all taxa. The observed similarities in ITS polymorphisms suggest that the natural apomict R. variabilis is an ancient hybrid of the diploid sexual species R. notabilis and the sexual species R. cassubicifolius. The additivity pattern shared by R. variabilis and the synthetic hybrids supports an evolutionary and biogeographical scenario that R. variabilis originated from ancient hybridization. Concerted evolution of ITS copies in R. variabilis is incomplete, probably due to a shift to asexual reproduction. Under the condition of comprehensive inter- and intraspecific sampling, ITS polymorphisms are powerful for elucidating reticulate evolutionary histories."],["dc.description.sponsorship","Austrian Research Foundation (FWF) [310-B16]"],["dc.identifier.doi","10.1371/journal.pone.0103003"],["dc.identifier.isi","000339992600031"],["dc.identifier.pmid","25062066"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10558"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/32857"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Public Library Science"],["dc.relation.issn","1932-6203"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","ITS Polymorphisms Shed Light on Hybrid Evolution in Apomictic Plants: A Case Study on the Ranunculus auricomus Complex"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","plw064"],["dc.bibliographiccitation.journal","AoB Plants"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Schinkel, Christoph C. F."],["dc.contributor.author","Kirchheimer, Bernhard"],["dc.contributor.author","Dellinger, Agnes S."],["dc.contributor.author","Klatt, Simone"],["dc.contributor.author","Winkler, Manuela"],["dc.contributor.author","Dullinger, Stefan"],["dc.contributor.author","Hoerandl, Elvira"],["dc.date.accessioned","2018-11-07T10:19:37Z"],["dc.date.available","2018-11-07T10:19:37Z"],["dc.date.issued","2016"],["dc.description.abstract","Apomictic plants expand their geographical distributions more to higher elevations compared to their sexual progenitors. It was so far unclear whether this tendency is related to mode of reproduction itself or represents a side effect of polyploidy. Apomixis is advantageous for range expansions as no mating partners and pollinators are needed (Baker's rule). Polyploidy is thought to infer fitness advantages and a higher vigour that would enable plants to adjust better to more extreme climatic conditions. However, little is known about actual performance of plants at higher elevations. We analyzed 81 populations of Ranunculus kuepferi from the whole distribution area in the European Alps to quantify apomictic versus sexual seed formation via flow cytometric seed screening. Seed set and vegetative growth were measured as fitness parameters. All parameters were correlated to geographical distribution, elevation, temperature and precipitation. Flow cytometric seed screening revealed predominantly obligate sexuality (88.9 %) and facultative apomixis in diploid populations, while tetraploid populations are predominantly facultative (65.4%) to obligate apomictic. Apomictic seed formation correlated significantly to higher elevations, which explains also the observed niche shift to lower temperatures. However, within the tetraploid range, there is no apparent correlation of degree of facultative apomixis to geographical distance. Apomixis appeared in diploids three times independently in separated, otherwise sexual populations in the southwestern refugial areas of the Alps. Diploid apomixis was not successful in range expansions, and obligate sexual polyploids were not observed. Polyploidy may relate to cold tolerance as an adaptation to conditions at high elevations, where diploid sexuals have no fitness advantage. Instead, facultative apomixis may have aided colonization of higher elevations and range expansions in the Alps without mate and pollinator limitation, but did not necessarily involve long-distance dispersal. A direct influence of low temperatures on unreduced gamete formation cannot be ruled out."],["dc.identifier.doi","10.1093/aobpla/plw064"],["dc.identifier.isi","000392970700001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/41704"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Oxford Univ Press"],["dc.relation.issn","2041-2851"],["dc.title","Correlations of polyploidy and apomixis with elevation and associated environmental gradients in an alpine plant"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","976765"],["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","13"],["dc.contributor.affiliation","He, Li; 1Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China"],["dc.contributor.affiliation","Hörandl, Elvira; 2Department of Systematics, Biodiversity and Evolution of Plants, University of Göttingen, Göttingen, Germany"],["dc.contributor.author","He, Li"],["dc.contributor.author","Hörandl, Elvira"],["dc.date.accessioned","2022-12-01T08:31:35Z"],["dc.date.available","2022-12-01T08:31:35Z"],["dc.date.issued","2022"],["dc.date.updated","2022-11-11T13:12:56Z"],["dc.description.abstract","Dioecy is rare in flowering plants (5–6% of species), but is often controlled genetically by sex-linked regions (SLRs). It has so far been unclear whether, polyploidy affects sex chromosome evolution, as it does in animals, though polyploidy is quite common in angiosperms, including in dioecious species. Plants could be different, as, unlike many animal systems, degenerated sex chromosomes, are uncommon in plants. Here we consider sex determination in plants and plant-specific factors, and propose that constraints created at the origin of polyploids limit successful polyploidization of species with SLRs. We consider the most likely case of a polyploid of a dioecious diploid with an established SLR, and discuss the outcome in autopolyploids and allopolyploids. The most stable system possibly has an SLR on just one chromosome, with a strongly dominant genetic factor in the heterogametic sex (e.g., xxxY male in a tetraploid). If recombination occurs with its homolog, this will prevent Y chromosome degeneration. Polyploidy may also allow for reversibility of multiplied Z or X chromosomes into autosomes. Otherwise, low dosage of Y-linked SLRs compared to their multiple homologous x copies may cause loss of reliable sex-determination at higher ploidy levels. We discuss some questions that can be studied using genome sequencing, chromosome level-assemblies, gene expression studies and analysis of loci under selection."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2022"],["dc.identifier.doi","10.3389/fpls.2022.976765"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/118209"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-621"],["dc.publisher","Frontiers Media S.A."],["dc.relation.eissn","1664-462X"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.title","Does polyploidy inhibit sex chromosome evolution in angiosperms?"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]