The complete mitochondrial genome sequence of Populus davidiana Dode.
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ABSTRACT:
SUBMITTER: Choi MN
PROVIDER: S-EPMC7800223 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:The complete chloroplast genome sequence of Populus davidiana Dode was determined in this study. The cpDNA was 155,853 bp in length, containing a pair of inverted repeats (IRs) of 27,571 bp each separated by a large and small single copy (LSC and SSC) regions of 84,127 bp and 16,584 bp, respectively. The cpDNA contained 130 genes, including 85 protein-coding genes, 8 ribosomal RNA genes and 37 transfer RNA genes. Phylogenetic analysis indicated P. davidiana was mostly close to Populus tremula, widely distributed in Europe and Populus tremula × alba.
| S-EPMC7800723 | biostudies-literature
Project description:The complete chloroplast genome sequence of Populus davidiana was characterized from Illumina pair-end sequencing. The chloroplast genome of P. davidiana was 156,868 bp in length, containing a large single-copy region (LSC) of 84,976 bp, a small single-copy region (SSC) of 16,606 bp, and two inverted repeat (IR) regions of 27,643 bp. The overall GC content is 30.70%, while the correponding values of the LSC, SSC, and IR regions are 64.6%, 69.2%, and 60.1%, respectively. The genome contains 131 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species) and 8 rRNA genes (4 rRNA species). The Neighbour-joining phylogenetic analysis showed that P. davidiana and Populus rotundifolia clustered together as sisters to other Populus species.
| S-EPMC7510576 | biostudies-literature
Project description:Populus davidiana plays an important ecological role in boreal and temperate forests, serving as wildlife habitats and watersheds. The complete chloroplast genome sequence of P. davidiana was characterized from Illumina pair-end sequencing. The chloroplast genome of P. davidiana was 155,325 bp in length, containing a large single-copy region (LSC) of 84,679 bp, a small single-copy region (SSC) of 16,862 bp, and two inverted repeat (IR) regions of 26,892 bp. The overall GC content is 36.80%, while the corresponding values of the LSC, SSC, and IR regions are 34.5%, 30.5%, and 42.5%, respectively. The genome contains 131 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species), and 8 rRNA genes (4 rRNA species). The neighbour-joining phylogenetic analysis showed that P. davidiana and P. hopeiensis clustered together as sisters to other Populus species.
| S-EPMC7781954 | biostudies-literature
Project description:Prunus davidiana is a Chinese wild peach species belonging to the family Rosaceae. In this study, we first assembled the complete chloroplast (cp) genome of P. davidiana by Illumina paired-end reads data, then carried out phylogenetic analysis. The P. davidiana cp genome was 158,055?bp, containing a large single copy region (LSC) of 86,248?bp and a small single copy region (SSC) of 19,047?bp separated by a pair of inverted repeats (IRs) of 26,380?bp. The cp genome contained 131 genes, including 86 protein-coding genes, 37 transfer RNA (tRNA) genes and 8 ribosomal RNA (rRNA) genes. The result of the phylogenetic analysis showed that P. davidiana is closely related to P. mongolica.
| S-EPMC7801015 | biostudies-literature
Project description:BACKGROUND:Raw second-generation (2G) lignocellulosic biomass materials have the potential for development into a sustainable and renewable source of energy. Poplar is regarded as a promising 2G material (P. davidiana Dode×P. bolleana Lauch, P. bolleana, P. davidiana, P. euphratica, et al). However, their large-scale commercialization still faces many obstacles. For example, drought prevents sufficient irrigation or rainfall, which can reduce soil moisture and eventually destroy the chloroplast, the plant photosynthetic organelle. Heterosis is widely used in the production of drought-tolerant materials, such as the superior clone "Shanxinyang" selected from the offspring of Populus davidiana Dode×Populus bolleana Lauch. Because it produces good wood and is easily genetically transformed, "Shanxinyang" has become a promising material for use in tree genetics. It is also one of the most abundant biofuel plants in northern China. Understanding the genetic features of chloroplasts, the cp transcriptome and physiology is crucial to elucidating the chloroplast drought-response model. RESULTS:In this study, the whole genome of "Shanxinyang" was sequenced. The chloroplast genome was assembled, and chloroplast structure was analysed and compared with that of other popular plants. Chloroplast transcriptome analysis was performed under drought conditions. The total length of the "Shanxinyang" chloroplast genome was 156,190?bp, the GC content was 36.75%, and the genome was composed of four typical areas (LSC, IRa, IRb, and SSC). A total of 114 simple repeats were detected in the chloroplast genome of "Shanxinyang". In cp transcriptome analysis, we found 161 up-regulated and 157 down-regulated genes under drought, and 9 cpDEGs was randomly selected to conduct reverse transcription (RT)-qPCR., in which the Log2 (fold change) was significantly consistent with the qPCR results. The analysis of chloroplast transcription under drought provided clues for understanding chloroplast function under drought. The phylogenetic position of "Shanxinyang" within Populus was analysed by using the chloroplast genome sequences of 23 Populus plants, showing that "Shanxinyang" belongs to Sect. Populus and is sister to Populus davidiana. Further, mVISTA analysis showed that the variation in non-coding (regulatory) regions was greater than that in coding regions, which suggests that further attention should be paid to the chloroplast in order to obtain new evolutionary or functional insights related to aspects of plant biology. CONCLUSIONS:Our findings indicate that complex prokaryotic genome regulation occurs when processing transcripts under drought stress. The results not only offer clues for understanding the chloroplast genome and transcription features in woody plants but also serve as a basis for future molecular studies on poplar species.
| S-EPMC7201580 | biostudies-literature
Project description:The complete chloroplast genome sequence of Populus tremuloides was characterized from Illumina pair-end sequencing. The chloroplast genome of P. tremuloides was 155,816 bp in length, containing a large single-copy region (LSC) of 85,804 bp, a small single-copy region (SSC) of 16,489 bp, and two inverted repeat (IR) regions of 26,962 bp. The overall GC content is 36.71%, while the correponding values of the LSC, SSC, and IR regions are 64.9%, 69.2%, and 60.3%, respectively. The genome contains 167 complete genes, including 86 protein-coding genes (77 protein-coding gene species), 73 tRNA genes (29 tRNA species) and 8 rRNA genes(4 rRNA species). The Neighbour-joining phylogenetic analysis showed that P. tremuloides and Populus tremula clustered together as sisters to other Populus species.
| S-EPMC7707770 | biostudies-literature
Project description:The complete chloroplast genome sequence of Populus tremula was characterized from Illumina pair-end sequencing. The chloroplast genome of P. tremula was 156,862 bp in length, containing a large single-copy region (LSC) of 84,971 bp, a small single-copy region (SSC) of 16,605 bp, and two inverted repeat (IR) regions of 27,640 bp. The overall GC content is 30.69%, while the correponding values of the LSC, SSC, and IR regions are 64.5%, 69.3%, and 60.1%, respectively. The genome contains 131 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species) and 8 rRNA genes (4 rRNA species). The Neighbour-joining phylogenetic analysis showed that P. tremula and Populus davidiana clustered together as sisters to other Populus species.
| S-EPMC7510596 | biostudies-literature
Project description:The complete chloroplast genome sequence of Populus koreana was characterized using Illumina pair-end sequencing. The chloroplast genome of P. koreana was 156,868 bp in length, containing a large single-copy region (LSC) of 84,976 bp, a small single-copy region (SSC) of 16,606 bp, and two inverted repeat (IR) regions of 27,643 bp. The overall GC content is 30.70%, whereas the corresponding values of the LSC, SSC, and IR regions are 64.6%, 69.2%, and 60.1%, respectively. The genome contains 131 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species), and eight rRNA genes (four rRNA species). The neighbour-joining phylogenetic analysis showed that P. koreana and Populus fremontii clustered together as sisters to other Populus species.
| S-EPMC7748676 | biostudies-literature
Project description:The complete chloroplast genome sequence of Populus mexicana was characterized from Illumina pair-end sequencing. The chloroplast genome of P. mexicana was 156,188 bp in length, containing a large single-copy region (LSC) of 86,871 bp, a small single-copy region (SSC) of 16,559 bp, and 2 inverted repeat (IR) regions of 26,377 bp. The overall GC content is 36.74%, while the corresponding values of the LSC, SSC, and IR regions are 64.8, 69.3, and 60.3, respectively. The genome contains 111 complete genes, including 72 protein-coding genes (62 protein-coding gene species), 31 tRNA genes (29 tRNA species), and 8 rRNA genes (4 rRNA species). The neighbor-joining phylogenetic analysis showed that P. mexicana and Populus fremontii clustered together as sisters to other Populus species.
| S-EPMC7748492 | biostudies-literature
Project description:Populus deltoides 'Siyang-2' is an improved variety of forest trees that have been identified recently. It shows superior growth performance compared to other local cultivars in the region of Yangtze-Huaihe in China. In this study, the whole chloroplast (cp) genome sequence of 'Siyang-2' was assembled and characterized by high-throughput sequencing data. The complete cp genome was 156,957 bp in length, containing a large single-copy region (LSC) of 85,096 bp, and a small single-copy region (SSC) of 16,563 bp, which were separated by a pair of 27,649 bp inverted repeat regions (IRs). The cp genome contained 131 genes, including 86 protein-coding genes, 37 tRNA genes, and 8 ribosomal RNA genes. Most of the gene species occur as a single copy, while 20 gene species occur in double copies. The overall GC content of 'Siyang-2' cp genome is 34.6%, while the corresponding values of the LSC, SSC, and IR regions are 34.5%, 30.6%, 41.9%, respectively. The complete cp genome provides valuable phylogenetic and cp genetic engineering studies of this important improved poplar species P. deltoides 'Siyang-2'.
| S-EPMC7748702 | biostudies-literature