Dataset Information

The complete chloroplast genome sequences of Larix kaempferi and Larix olgensis var. koreana (Pinaceae).

ABSTRACT: The complete chloroplast (cp) genome sequence of Larix kaempferi and L. olgensis var. koreana were determined by Ion torrent Platform sequencing in this study. The L. kaempferi cp genome was 122,158bp consists of two inverted repeat (IR) regions of 436bp each, a large single-copy (LSC) region of 65,394bp, and a small single-copy (SSC) region of 55,892bp. The chloroplast genome sequence of L. olgensis var. koreana was 122,573bp in length, consisting of two IRs (436bp), one LSC (65,597bp), and one SSC (56,104bp), and is longer than that of L. kaempferi. The genome contained 110 genes, including 71 protein-coding genes, 35 tRNA genes, and 4 ribosomal RNA genes. The 13 genes contain introns, including 12 genes with a single intron each and ycf3 gene with two introns. And, the rps12 gene is a trans-spliced gene. The phylogenetic analysis revealed that all sampled species in Pinaceae formed a monophyletic clade with high bootstrap value. The genus Larix is closely related to Pseudotsuga.

SUBMITTER: Kim SC

PROVIDER: S-EPMC7800396 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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The complete chloroplast genome sequences of Larix kaempferi and Larix olgensis var. koreana (Pinaceae).

Kim Sang-Chul SC Lee Jei-Wan JW Lee Min-Woo MW Baek Seung-Hoon SH Hong Kyung-Nak KN

Mitochondrial DNA. Part B, Resources 20171221 1

The complete chloroplast (cp) genome sequence of Larix kaempferi and L. olgensis var. koreana were determined by Ion torrent Platform sequencing in this study. The L. kaempferi cp genome was 122,158bp consists of two inverted repeat (IR) regions of 436bp each, a large single-copy (LSC) region of 65,394bp, and a small single-copy (SSC) region of 55,892bp. The chloroplast genome sequence of L. olgensis var. koreana was 122,573bp in length, consisting of two IRs ( ...[more]

PMID: 33490485

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Project description:Hybrids of larch (Larix kaempferi × Larix olgensis) are important afforestation species in northeastern China. They are routinely propagated via rooted stem cuttings. Despite the importance of rooting, little is known about the regulation of adventitious root development in larch hybrids. 454 GS FLX Titanium technology represents a new method for characterizing the transcriptomes of non-model species. This method can be used to identify differentially expressed genes, and then two-dimensional difference gel electrophoresis (2D-DIGE) and matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF/TOF MS) analyses can be used to analyze their corresponding proteins. In this study, we analyzed semi-lignified cuttings of two clones of L. kaempferi × L. olgensis with different rooting capacities to study the molecular basis of adventitious root development.We analyzed two clones; clone 25-5, with strong rooting capacity, and clone 23-12, with weak rooting capacity. We constructed four cDNA libraries from 25-5 and 23-12 at two development stages. Sequencing was conducted using the 454 pyrosequencing platform. A total of 957832 raw reads was produced; 95.07% were high-quality reads, and were assembled into 45137 contigs and 61647 singletons. The functions of the unigenes, as indicated by their Gene Ontology annotation, included diverse roles in the molecular functions, biological processes, and cellular component categories. We analyzed 75 protein spots (-fold change ? 2, P ? 0.05) by 2D-DIGE, and identified the differentially expressed proteins using MALDI-TOF/TOF MS. A joint analysis of transcriptome and proteome showed genes related to two pathways, polyamine synthesis and stress response, might play an important role on adventitious root development.These results provide fundamental and important information for research on the molecular mechanism of adventitious root development. We also demonstrated for the first time the combined use of two important technologies as a powerful approach to advance research on non-model, but otherwise important, larch species.

Dataset Information

The complete chloroplast genome sequences of Larix kaempferi and Larix olgensis var. koreana (Pinaceae).

Publications

The complete chloroplast genome sequences of <i>Larix kaempferi</i> and <i>Larix olgensis</i> var. koreana (Pinaceae).

Similar Datasets

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