Article
Plant Sciences
Rudan Lyu, Jian He, Yike Luo, Lele Lin, Min Yao, Jin Cheng, Lei Xie, Linying Pei, Shuangxi Yan, Liangqian Li
Summary: This study examined the hybrid origin and species status of Clematis pinnata, showing that it is not a self-evolved clade and should not be treated as a separate species. The research also suggests that interspecific hybridization is a common mechanism in Clematis to generate diversity and variation.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Biotechnology & Applied Microbiology
Wenpan Dong, Chao Xu, Yanlei Liu, Jipu Shi, Wenying Li, Zhili Suo
Summary: The study sequenced 20 Lagerstroemia chloroplast genomes and combined them with 15 existing genomes to investigate phylogenetic relationships and divergence times. Results indicate Lagerstroemia is a monophyletic group with four clades, originating in the late Paleocene and diversifying in the middle Miocene. Most species diversified during the Pleistocene. Four variable loci were found in the chloroplast genomes.
Article
Biochemistry & Molecular Biology
LiHeng Che, Peng Zhang, ShaoHong Deng, Hermes E. Escalona, Xingmin Wang, Yun Li, Hong Pang, Natalia Vandenberg, Adam Slipinski, Wioletta Tomaszewska, Dan Liang
Summary: Ladybirds, one of the most diverse groups of beetles with over 6000 species globally, have their taxonomy and evolutionary history elucidated through sequencing nuclear protein-coding genes. The study identifies three subfamilies in Coccinellidae and suggests an Early Cretaceous origin for extant lady beetles. The rapid diversification of lady beetles in the Late Cretaceous is hypothesized to be driven by the boom of angiosperms which promoted the diversification of aphids, their prey.
MOLECULAR PHYLOGENETICS AND EVOLUTION
(2021)
Article
Horticulture
Keliang Zhang, Yusong Ji, Xiaomei Song, Linjun Yao, Huina Liu, Jun Tao
Summary: Seed germination and dormancy are crucial for the regeneration strategy of plants. This study focused on the dormancy characteristics and regeneration strategies of Clematis hexapetala seeds, revealing deep complex morphophysiological dormancy in freshly matured seeds. Natural cold stratification in winter breaks dormancy and allows the seeds to germinate at the start of the next growing season.
SCIENTIA HORTICULTURAE
(2021)
Article
Evolutionary Biology
Tom Carruthers, Robert W. Scotland
Summary: Research using simulation and analysis has found that when substitution rates, speciation rates, and extinction rates vary, the benefits of increased character and taxon sampling on parameter estimation accuracy are limited. Methodological assumptions are more likely to be violated, and limitations in the information content of the data become more important in complex cases.
SYSTEMATIC BIOLOGY
(2021)
Article
Plant Sciences
Jiamin Xiao, Rudan Lyu, Jian He, Mingyang Li, Jiaxin Ji, Jin Cheng, Lei Xie
Summary: In this study, the phylogenetic backbone of Clematis was successfully reconstructed using genome skimming and transcriptome data. The nuclear genome data provided a more robust phylogeny compared to plastid data and better corresponded to morphological characters. The results suggested that rapid species radiation and frequent interspecific hybridization events might contribute to the nuclear gene discordance and cyto-nuclear discordances in Clematis.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Genetics & Heredity
Beom Kyun Park, Balkrishna Ghimire, Young-Ho Ha, Dong Chan Son, Dong-Kap Kim
Summary: The complete chloroplast genome sequence of Clematis taeguensis provides valuable information for future phylogenetic and evolutionary studies in the Ranunculaceae family.
MITOCHONDRIAL DNA PART B-RESOURCES
(2021)
Article
Genetics & Heredity
Yan Dong, Qingsong Zhu, Jianhua Yue
Summary: Clematis florida is an ornamental and medicinal plant with great commercial potential. The complete chloroplast genome of C. florida was characterized, providing insights into its phylogenetic relationships and taxonomic status among other Clematis species. This study serves as a reference for future research on molecular biology, evolution, and taxonomy in the genus Clematis.
MITOCHONDRIAL DNA PART B-RESOURCES
(2022)
Article
Multidisciplinary Sciences
Chao Yang, Xiaomei Dong, Qingxiong Wang, Xiang Hou, Hao Yuan, Xuejuan Li
Summary: The mitochondrial genomes of six species of Phylloscopus were sequenced using the Illumina platform. The genomes were circular molecules of about 17,000 base pairs, containing various genes and control regions. The gene order was conserved among the samples, and the phylogenetic analysis showed the evolutionary relationships between the species. These findings provide valuable resources for studying the taxonomy and phylogenetic history of Phylloscopidae.
Article
Plant Sciences
Milan Spetik, Akila Berraf-Tebbal, David Gramaje, Alla Eddine Mahamedi, Katerina Stuskova, Jana Burgova, Ales Eichmeier
Summary: During a survey in the Czech Republic, Paecilomyces-like strains were isolated from the root of Clematis. Phylogenetic analysis based on molecular data revealed the position of these isolates, and a new species with unique morphological characteristics was described.
Article
Forestry
Huijuan Zhou, Xiaoxiao Gao, Keith Woeste, Peng Zhao, Shuoxin Zhang
Summary: Chloroplast (cp) DNA genomes of Castanea species show similar genomic structures with differences in gene loss and pseudogenization in certain genes. These findings contribute to a better understanding of the evolutionary history and phylogenetic relationships of chestnut species.
Article
Biochemical Research Methods
Yasamin Tabatabaee, Kowshika Sarker, Tandy Warnow
Summary: This article presents Quintet Rooting (QR), a method for rooting species trees based on a proof of identifiability of the rooted species tree under the multi-species coalescent model. The method is shown to be generally more accurate than other rooting methods, except under extreme levels of gene tree estimation error.
Article
Parasitology
Emilia W. Wendt, Luiz R. Malabarba, Mariana P. Braga, Walter A. Boeger, Michael Landis, Tiago P. Carvalho
Summary: This study investigated the phylogenetic relationships, species limits, and factors influencing parasite prevalence in the genus Characithecium. The results suggest that the number of Characithecium species is lower than previously proposed based on morphology alone. The study also found that Characithecium species have wider geographical and host distributions, with higher prevalence in Oligosarcus species compared to Astyanax and Psalidodon.
Article
Chemistry, Medicinal
Pu-Zhao Zhang, Shao Feng, Ya-Mei Zhang
Summary: A new triterpenoid saponin and nine known compounds were isolated from the aerial parts of Clematis akebioides. Their structures were determined using spectroscopic methods and compared with literature. These compounds were obtained from C. akebioides for the first time in this study.
CHEMISTRY OF NATURAL COMPOUNDS
(2021)
Article
Biochemistry & Molecular Biology
Sudhir Kumar, Michael Suleski, Jack M. Craig, Adrienne E. Kasprowicz, Maxwell Sanderford, Michael Li, Glen Stecher, S. Blair Hedges
Summary: The fifth edition of the TimeTree of Life resource (TToL5) synthesizes published molecular timetrees to make evolutionary knowledge easily accessible. It contains divergence time information on 137,306 species, an increase of 41% from the previous edition. The web interface is now ADA-compliant and mobile-friendly.
MOLECULAR BIOLOGY AND EVOLUTION
(2022)