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Nucleic Acid beneath Strain: Understanding along with Replicating Nucleobase Fragmentation Pathways.
Mallotus peltatus is a tropical plant of the Euphorbiaceae family, which could be used as a beverage and medicine in Hainan, China. Here, we report and characterize the complete plastome of M. peltatus. The complete plastome is 163,304 bp in length and contains a typical structure and gene content of angiosperm plastome, including two inverted repeat (IR) regions of 27,112 bp, a large single-copy (LSC) region of 89,886 bp and a small single-copy (SSC) region of 18,840 bp. The plastome contains 131 genes, consisting of 78 unique protein-coding genes, 30 unique tRNA gene, four unique rRNA genes (5S rRNA, 4.5S rRNA, 23S rRNA and 16S rRNA), and eight pseudogenes. The overall A/T content in the plastome of M. this website peltatus is 64.02%. The complete plastome sequence of M. peltatus will provide a useful resource for the conservation genetics of this species as well as for phylogenetic studies in Euphorbiaceae.Atractylodes macrocephala is one of the most commonly used herbs in China, which is famous for its high medicinal value. In this study, we analyzed and characterized the complete plastome sequence of A. macrocephala. Sequence analysis indicated that the entire genome is 153,265 bp in length, consisting of a large single-copy (LSC, 84,311 bp) and a small single-copy (SSC, 18,674 bp) region separated by a pair of inverted repeat (IR) regions of 25,140 bp for each. The genome contains 107 unique genes, including 80 different protein-coding genes, 23 tRNA genes, and 4 rRNA genes. The overall GC content of the genome is 37.7%. The phylogenetic analysis revealed a monophyletic Atractylodes and Cardueae. This research reports the complete plastome genome of Atractylodes macrocephala, which provides a better understanding of this important herb.This study provides a chloroplast genome of Poapoophagorum. The complete cp genome was135,664 bp in length with typical quadripartite structure, containing a pair of inverted repeats (IR) of 21,552 bp each, a large single-copy (LSC) region of 79,790 bp, and a small single-copy (SSC) region of 12,770 bp. The overall G + C content of the cp genome was 38.30%, which encompassed 119 genes including 79 protein-coding genes,8 rRNA genes, and 32 tRNA genes. The phylogenetic analysis indicated that P. poophagorum was closely related to Festuca arundinacea cultivar KY-31in Gramineae. This study would contribute to enrich the Poa L. cp genome resource and promote biological research.In this study, the complete chloroplast genome of Thuja koraiensis was sequenced and analyzed. The complete chloroplast genome of T. koraiensis was 130,027 bp in length, encoding a total of 116 genes, including 80 protein-coding genes, 32 tRNAs, and 4 rRNAs, with a CG content of 34.24%. link2 The phylogenetic analysis of T. koraiensis was carried out to determine the position of Thujoideae in the phylogenetic evolution.In this study, the complete mitochondrial genome of Pangasius sanitwongsei was firstly reported and analyzed. It had a double-stand DNA molecule with 16536 bp in length, consisting of 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes and one control region. The structural organization and gene order was similar to other bony fishes. The complete mitochondrial genome of P. sanitwongsei provided in this work would be helpful for further research on phylogenetics and conservation genetics of the Siluriformes and other orders.In the past two decades, identification of species from noninvasive sampling has turned out to be an important tool for wildlife conservation. In this study a total 93 specimens representing 22 species of ungulates were analyzed from partial sequences of mtDNA COI and Cytb genes. All the species showed unique clades, and sequences divergence within species was between 0.01-3.9% in COI and 0.01-13.7 in Cytb, whereas divergence between species ranged from 2.2 to 29.5% in COI and 2.3 to 28.8% in Cytb. Highest intraspecific divergence was observed within the Ovis aries in COI and Porcula salvania in Cytb. Bayesian (BA) phylogeny analysis of both genes combined distinguishes all the studied species as monophyletic criteria. The Indian rhinoceros (Rhinoceros unicornis) exhibited closer relation to horse (Equus caballus). No barcode gap was observed between species in COI. This study demonstrates that even short fragments of COI and Cytb generated from fecal pellets can efficiently identify the Indian ungulates, thus demonstrating its high potential for use in wildlife conservation activities.In this study, the complete mitogenome sequence of Ostrinia furnacalis was described. The assembled mitogenome is 15,241 bp in length with an extreme bias of high AT content (80.9%) (GenBank accession no. MN747041). The mitochondrial genome contains 13 protein-coding genes (PCGs), 22 transfer RNA (tRNA) genes, 2 ribosomal RNA (12S rRNA and 16S rRNA) genes, and a control region (D-loop region). The mitochondrial gene order was identical to that observed in most lepidopteran genomes, nine PCGs were located on the H-strand, others were located on the L-strand. 12 PCGs were initiated by typical ATN codons, except for COI with CGA instead. 21 tRNAs had the typical cloverleaf structure, while the DHU arm of the trnS1 gene did not form a stable stem-loop structure. The 'ATAGT(A)'-like motif and a 19 bp poly-T stretch at the down-stream of the rrnS gene were observed in the A + T-rich region. The phylogenetic analysis showed that the relationship of O. furnacalis is very close to the three species in the subfamily Pyraustinae O. nubilalis, O. penitalis and Loxostege sticticalis, and all the subfamilies of Spilomelinae, Pyraustinae, Crambinae and Nymphulinae within Crambidae formed monophyletic groups with the highest bootstrap value support.Hovenia acerba is a widely distributed species with economic, ornamental, and medicinal value in China. In this study, we assembled and characterized the complete chloroplast genome of H. acerba for the first time. The circular genome has a quadripartite structure with 161,651 bp in length and contains a pair of 26,619 bp inverted repeat (IR) regions, separated by the large single-copy (LSC, 89,443 bp) region and small single-copy (SSC, 18,970 bp) region. The plastid genome harbours 104 unique genes, including 72 protein-coding genes, 28 tRNAs, and four rRNAs. The overall GC content of the whole genome was 36.7%. Further, the phylogenetic analysis showed that H. acerba clustered together with Ziziphus genus. The complete chloroplast genome of H. acerba will provide important information for phylogenetic and evolutionary studies in Rhamnaceae, as well as the other closely related family.Prunus davidiana (Rosaceae) is of great importance horticulturally as the rootstock of some fruit trees. Here, the complete chloroplast genome of P. davidiana was assembled based on the Illumina reads. The complete cp genome of P. davidiana was 157,660 bp in length and contained a pair of inverted repeat (IR, 26,387 bp) regions, which were separated by the small single-copy (SSC, 19,122 bp) and the large single-copy (LSC, 85,764 bp) regions. It encoded 135 genes. The phylogenetic analysis revealed that P. davidiana is sister to other peaches. This result will be useful for future studies of the lineage.We sequenced, assembled, and annotated the complete mitochondrial genome of the seed beetle Caryopemon giganteus, which represents the first report in the tribe Caryopemini from the subfamily Bruchinae of Chrysomelidae. The circular mitochondrial genome of the species contains 15,727 bases, 13 protein-coding genes (PCGs), 22 tRNA genes, 2 rRNA genes, and a non-coding region. The GC content of the genome is 25.3%, which is higher than any other reported mitochondrial genomes within Bruchinae. The 16S ribosomal RNA gene and the 12S ribosomal RNA gene are 1284 and 835 bp in length, respectively. 12 PCGs started with the typical ATN codon, except for ND1 initiated with TTG. link3 Five PCGs have the typical stop codon of TAA or TGA, while the remainder PCGs are terminated with incomplete stop codons (TA or T). The phylogenetic analysis based on a combination of 13 genes of the mitochondrial genomes of six species of Bruchinae and 23 species from other 10 subfamilies of Chrysomelidae recovered a generally well resolved and strongly supported tree topology, which shows that C. giganteus has the basalmost position in Bruchinae.Plumeria rubra cv. Acutifolia is a widely planted landscape tree in the subtropics. In this study, the complete chloroplast genome of P. rubra cv. Acutifolia was determined through Illumina sequencing method. The complete chloroplast genome has a length of 153,912 bp, containing a small single-copy region (18,036 bp), a large single-copy region (84,852 bp), and a pair of IR regions (25,512 bp). The chloroplast genome possesses 130 genes, including 85 CDS, 37 tRNA genes and 8 rRNA genes. P. rubra cv. Acutifolia exhibited the closest relationship with P. cubensis in phylogenetic analysis.Rhamnus taquetii (family Rhamnaceae) is a shrub , endemic to Korea. Here, the R. taquetii plastid genome was found to be 161,205 bp long and consists of quadripartite structures; a large single-copy region of 89,373 bp, a small single-copy region of 18,936 bp, and a pair of inverted repeat regions of 26,448 bp each. The GC content of the sequence was found to be 37.1%. The plastid genome was found to harbor 129 genes, including 84 protein-coding genes, 37 transfer RNA genes, and 8 ribosomal RNA genes. On the phylogenetic tree of Rosales (based on 63 protein-coding genes), Rhamnaceaewas found to be monophyletic.We determined the whole mtDNA genome of the water deer (Hydropotes inermis) in Benxi, Liaoning. The total length of the complete mitochondrial genome is 16,355 bp and it consists of 13 protein-coding, 22 tRNA, rRNA genes, and 1 control region (CR). Two overlaps among the 13 protein-coding genes were found ND4L/ND4 and ND5/ND6. The CR is 928 bp in length. The nucleotide composition is 30.52% A, % 33.38 T, 22.77% G, and 13.32% C.In this study, the complete mitogenome of a new species, Johnius taiwanensis (Chao et al. 2019) was obtained. Its mitogenome is 18,451 bp in length, consisting of 37 genes with the typical gene order and direction of transcription in vertebrates. Gene rearrangement was found in J. taiwanensis. The overall nucleotide composition is 24.2% A; 18.0% C; 21.1% G, and 36.7% T. Sizes of the 22 tRNA genes range from 66 to 75 bp. Two start codons (ATG and GTG) and three stop codons (TAG, AGA and TAA/TA/T) were detected in 13 protein-coding genes. In the Bayesian tree based on the complete mitogenomes of 26 species (including J. taiwanensis) from the family Sciaenidae, all nodes were strongly supported. The result shows that J. taiwanensis was placed as sister to the Trewavas croaker J. trewavasae of the same genus. The mechanism of gene rearrangement in the genus Johnius merits further investigation.In this study, we sequenced, assembled and reported the complete chloroplast genome of Lantana camara an important medicinal plant for the first time. The genome is circular and quadripartite in structure; it has a length of 154,388 bp, 39.2% GC content and harbored 137 genes including 90 protein-coding genes, 39 tRNAs, and 8 rRNAs. The genome contained a large single-copy of 85,198 bp and a small single-copy of 17,249 bp separated by a pair of inverted repeat regions. The phylogenetic relationship showed a close relationship between L. camara and Lippia origanoides. The plastome sequence reported in this study will help for future research on the species and evolutionary studies of Verbenaceae.
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