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      Comparison of eight complete plastid genomes from three moss families Amblystegiaceae, Calliergonaceae and Pylaisiaceae

      research-article
      a , b , c , d , b , b , d
      Mitochondrial DNA. Part B, Resources
      Taylor & Francis
      Plastid genome, Amblystegiaceae, Calliergonaceae, phylogenetic analysis

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          Abstract

          We sequenced and assembled eight complete plastid genomes from three closely related pleurocarpous moss families: Amblystegium serpens, Campyliadelphus stellatus, Cratoneuron filicinum, Drepanocladus aduncus, and Leptodictyum humile (Amblystegiaceae), Calliergon sarmentosum and Warnstorfia exannulata (Calliergonaceae), and Calliergonella cuspidata (Pylaisiaceae). The newly generated plastid genomes range from 124,256 to 124,819 bp, with two inverted repeat regions (9,624–9,696 bp) separated by a large single-copy region (86,422–86,924 bp) and a small single-copy region (18,430–18,514 bp). All these plastid genomes encode 116 unique genes including 82 protein-coding genes, 30 tRNA genes and four rRNAgenes. The overall GC content is between 28.6%–29.3%. Phylogenetic analysis showed that all Amblystegiaceae species Amblystegium serpens, Campyliadelphus stellatus, Cratoneuron filicinum, Drepanocladus aduncus, Leptodictyum humile, and Sanionia uncinata clustered in one clade, which is sister to the Pylaisiaceae species Calliergonella cuspidata. The two Calliergonaceae species Calliergon sarmentosum and Warnstorfia exannulata form a clade and is sister to Amblystegiaceae and Pylaisiaceae.

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          Fast gapped-read alignment with Bowtie 2.

          As the rate of sequencing increases, greater throughput is demanded from read aligners. The full-text minute index is often used to make alignment very fast and memory-efficient, but the approach is ill-suited to finding longer, gapped alignments. Bowtie 2 combines the strengths of the full-text minute index with the flexibility and speed of hardware-accelerated dynamic programming algorithms to achieve a combination of high speed, sensitivity and accuracy.
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            RAxML version 8: a tool for phylogenetic analysis and post-analysis of large phylogenies

            Motivation: Phylogenies are increasingly used in all fields of medical and biological research. Moreover, because of the next-generation sequencing revolution, datasets used for conducting phylogenetic analyses grow at an unprecedented pace. RAxML (Randomized Axelerated Maximum Likelihood) is a popular program for phylogenetic analyses of large datasets under maximum likelihood. Since the last RAxML paper in 2006, it has been continuously maintained and extended to accommodate the increasingly growing input datasets and to serve the needs of the user community. Results: I present some of the most notable new features and extensions of RAxML, such as a substantial extension of substitution models and supported data types, the introduction of SSE3, AVX and AVX2 vector intrinsics, techniques for reducing the memory requirements of the code and a plethora of operations for conducting post-analyses on sets of trees. In addition, an up-to-date 50-page user manual covering all new RAxML options is available. Availability and implementation: The code is available under GNU GPL at https://github.com/stamatak/standard-RAxML. Contact: alexandros.stamatakis@h-its.org Supplementary information: Supplementary data are available at Bioinformatics online.
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              SPAdes: a new genome assembly algorithm and its applications to single-cell sequencing.

              The lion's share of bacteria in various environments cannot be cloned in the laboratory and thus cannot be sequenced using existing technologies. A major goal of single-cell genomics is to complement gene-centric metagenomic data with whole-genome assemblies of uncultivated organisms. Assembly of single-cell data is challenging because of highly non-uniform read coverage as well as elevated levels of sequencing errors and chimeric reads. We describe SPAdes, a new assembler for both single-cell and standard (multicell) assembly, and demonstrate that it improves on the recently released E+V-SC assembler (specialized for single-cell data) and on popular assemblers Velvet and SoapDeNovo (for multicell data). SPAdes generates single-cell assemblies, providing information about genomes of uncultivatable bacteria that vastly exceeds what may be obtained via traditional metagenomics studies. SPAdes is available online ( http://bioinf.spbau.ru/spades ). It is distributed as open source software.
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                Author and article information

                Journal
                Mitochondrial DNA B Resour
                Mitochondrial DNA B Resour
                Mitochondrial DNA. Part B, Resources
                Taylor & Francis
                2380-2359
                30 July 2020
                2020
                : 5
                : 3
                : 3091-3093
                Affiliations
                [a ]Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang, China
                [b ]Fairy Lake Botanical Garden, Shenzhen and Chinese Academy of Sciences , Shenzhen, China
                [c ]Graduate School, University of Chinese Academy of Sciences , Beijing, China
                [d ]College of Life and Environmental Sciences, Hangzhou Normal University , Hangzhou, China
                Author notes
                CONTACT Yu-Huan Wu yuhuanwu@ 123456hznu.edu.cn College of Life and Environmental Sciences, Hangzhou Normal University , Hangzhou, China
                Author information
                https://orcid.org/0000-0001-8348-5530
                Article
                1797548
                10.1080/23802359.2020.1797548
                7782263
                33458070
                367def3d-8a13-4362-90a4-1ce24aeb7588
                © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Page count
                Figures: 1, Tables: 1, Pages: 3, Words: 1795
                Categories
                Research Article
                Mitogenome Announcement

                plastid genome,amblystegiaceae,calliergonaceae,phylogenetic analysis

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