Lilium leichtlinii subsp. maximowiczii (Regel) J.Compton (Liliaceae): a new combination for Maximowicz's orange lily.
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ABSTRACT:
SUBMITTER: Compton JA
PROVIDER: S-EPMC7979682 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:The former genus Nomocharis, which has been merged as a clade within the genus Lilium (Liliaceae), represents one of the most complicated and unclear groups included in the latter. Research on members of the Nomocharis clade has been quite limited due to the sampling difficulties caused by its selective environmental preferences. In this study, we propose a new species within this clade, Lilium liangiae, as a further bridge connecting the former genus Nomocharis with other members of the genus Lilium. We conducted morphological clustering, phylogenetic, and comparative genomics analyses of nuclear internal spacers and the newly generated complete chloroplast genome, in conjunction with previously published sequences, and performed ancestral state reconstruction to clarify the evolutionary pattern of important traits in Lilium. The clustering results of 38 morphological traits indicated that the new species is allied to Nomocharis, further increasing the morphological polymorphism in the latter. The phylogenetic results and morphological clustering both supported L. liangiae belonging to the subclade Ecristata in Nomocharis, its closest affinity being Lilium gongshanense. Inconsistencies in phylogenetic relationships were detected between nuclear and plastid datasets, possibly due to ancient hybridization and ongoing introgression. Comparative genomics revealed the conservation and similarity of their chloroplast genomes, with variations observed in the expansion and contraction of the IR regions. A/T and palindromic repeat sequences were the most abundant. Seven highly variable regions (Pi≥0.015) were identified as potential molecular markers based on the chloroplast genomes of 47 species within Lilium. Both nuclear and plastid genes exhibited very low variability within the Nomocharis clade, contrasting with their highly variable morphological appearance. The ancestral state reconstruction analysis suggests that the campanulate flower form, as in L. liangiae, arose at least three times within the genus Lilium, revealing parallel evolution in the latter. Overall, this study adds important genetic and morphological evidence for understanding the phylogenetic relationships and parallel evolution patterns of species within the genus Lilium.
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Project description:Manuscripts in the Archives of the Academy of Sciences in St. Petersburg reveal the first recorded observations and introductions of Liliumpensylvanicum Ker-Gawl. from Siberia to European Russia. The naming of Liliumpensylvanicum and its attempted renaming to L.dauricum Ker-Gawl. is fully outlined. Lectotypes are designated here for the names Liliumpseudodahuricum M.Fedoss. & S.Fedoss., L.dauricumvar.alpinum N.I.Kuznetsov and L.pensylvanicumf.praecox Vrishcz. The new combination L.pensylvanicumvar.alpinum (N.I.Kuznetsov) J.Compton & Sytin is made and a key is provided to the varieties of L.pensylvanicum.
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Project description:A new subpecies, Tulipa cinnabarina subsp. toprakii subsp. nov. (Liliaceae) from Turkey is described. Diagnostic characters, descriptions, detailed illustrations, geographical distribution, conservation status and ecological observations on the new taxon are provided. It is also compared with the closely related Tulipa cinnabarina subsp. cinnabarina.
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Project description:Lily samples collected from commercial cut flower growing field at Nilgiris, Tamil Nadu, India were serologically tested through direct antigen coating-ELISA and dot immuno binding assay for the infection of potyvirus through potyvirus group specific polyclonal antibody. The RT-PCR using potyvirus universal degenerate primers (PNIbF1/PCPR1) showed the presence of a potyvirus and the sequencing results showed the association of lily mottle virus (LMoV). Further LMoV was confirmed by RT-PCR amplification using newly designed primer pair covering entire coat protein gene and sequence results showed 100% nucleotide identity with the LMoV reported from South Korean. To our knowledge, this is the first confirmed evidence for the occurrence of LMoV on lily in southern India.
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Project description:BackgroundThe mitogenomes of higher plants are conserved. This study was performed to complete the mitogenome of two China Lilium species (Lilium pumilum Redouté and Lilium davidii var. unicolor (Hoog) cotton).MethodsGenomic DNA was separately extracted from the leaves of L. pumilum and L. davidii in triplicate and used for sequencing. The mitogenome of Allium cepa was used as a reference. Genome assembly, annotation and phylogenetic tree were analyzed.ResultsThe mitogenome of L. pumilum and L. davidii was 988,986 bp and 924,401 bp in length, respectively. There were 22 core protein-coding genes (including atp1, atp4, atp6, atp9, ccmB, ccmC, ccmFc, ccmFN1, ccmFN2, cob, cox3, matR, mttB, nad1, nad2, nad3, nad4, nad4L, nad5, nad6, nad7 and nad9), one open reading frame and one ribosomal protein-coding gene (rps12) in the mitogenomes. Compared with the A. cepa mitogenome, the coding sequence of the 24 genes and intergenic spacers in L. pumilum and L. davidii mitogenome contained 1,621 and 1,617 variable sites, respectively. In the phylogenetic tree, L. pumilum and L. davidii were distinct from A. cepa (NC_030100).ConclusionsL. pumilum and L. davidii mitogenomes have far distances from other plants. This study provided additional information on the species resources of China Lilium.
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Project description:The flower shape of Lilium bulbiferum L. is different from that of the other European lilies. The phylogenetic position of the plant has been changed frequently. In the present study, we have sequenced the complete plastome of L. bulbiferum. The plastome sequence was 152,686?bp long, with a large single copy (LSC) region of 82,083?bp, a small single copy (SSC) region of 17,619?bp, and two inverted repeat (IR) regions of 26,492?bp each. It contained 133 genes, including 83 coding genes, 8 ribosomal RNAs, 38 transfer RNAs, and 4 pseudogenes. The GC contents of LSC, SSC, and IT were 34.8%, 30.7%, and 42.5%, respectively, corresponding to 37.0% of the total GC content. The phylogenetic position of L. bulbiferum was closely related to the north-eastern lilies.
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Project description:Ten microsatellite primers were developed to obtain information on genetic variation in Lilium longiflorum, a bulbous species showing high intraspecific genetic differentiation. • Of 61 microsatellite loci isolated using the dual suppression PCR technique, 10 loci were effective to characterize and estimate genetic variation in two populations of L. longiflorum. The number of alleles at each locus was different between the populations (averages = 3.2 and 10.3 alleles per locus), and the mean observed heterozygosity values were 0.245 and 0.732. • Our results demonstrate that there is significant genetic variation between the populations and that the microsatellite markers developed in this study will be useful tools for the investigation of the genetic structure and mating system of natural L. longiflorum populations.
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Project description:Lilium washingtonianum Kellogg is native to Western America and grows on slope in high subalpine. In the present study, the complete plastome of L. washingtonianum was sequenced. The plastome sequence was 151,967?bp long, with a large single copy region of 81,393?bp, a small single copy region of 17,352?bp, and two inverted repeat regions of 26,611?bp each. Total 133 genes were identified, including 83 coding genes, 8 ribosomal RNAs, 38 transfer RNAs, and 4 pseudogenes. Among four pseudogenes, pseudo ndhF gene was the first to report among Lilium species so far. The phylogenetic position of L. washingtonianum was sister to L. superbum but American lilies were not monophyletic.
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