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Genome Assembly

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Informatics".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 2441

Special Issue Editor


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Guest Editor
Instituto de Ciencias de la Ingeniería, Universidad de O’Higgins, Rancagua 2820000, Chile
Interests: genome assembly; cancer genomics; computational biology

Special Issue Information

Dear Colleagues,

De novo genome assembly is one of the oldest problems in bioinformatics, dating back to the 1980s. Despite significant development over the years, this remains a difficult task. One of the key complications of the assembly problem is that repetitive sequences induce several paths in the assembly graph by linking different genomic loci. As a result, multiple genome reconstructions are feasible, but only one is correct. The genome-path problem, as well as the huge advances in sequencing and genome-mapping technologies, have motivated the development of a variety of computational and experimental techniques for cracking genome sequences.

Research in genome sequencing and de novo assembly of complex genomes, metagenomes, and transcriptomes, as well as computational algorithms for haplotype-resolved assembly, sequence validation, repeat identification, sequence error correction, assembly-based variant calling, alignment-free methods, and genome finishing, are all covered in this Special Issue, "Advances in genome assembly," which is now open for submissions. The submission of experimental and bioinformatic articles, up-to-date reviews, and commentaries associated with the genome-assembly problem are also encouraged.

Dr. Alex Di Genova
Guest Editor

Manuscript Submission Information

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Keywords

  • genome assembly
  • genome sequencing
  • haplotype resolution
  • variant calling
  • repeat identification
  • sequence validation
  • computational tools
  • metagenomes
  • transcriptomes
 

Published Papers (1 paper)

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10 pages, 3330 KiB  
Brief Report
Chromosome-Scale Genome Assembly and Triterpenoid Saponin Biosynthesis in Korean Bellflower (Platycodon grandiflorum)
by Dong-Jun Lee, Ji-Weon Choi, Ji-Nam Kang, Si-Myung Lee, Gyu-Hwang Park and Chang-Kug Kim
Int. J. Mol. Sci. 2023, 24(7), 6534; https://doi.org/10.3390/ijms24076534 - 31 Mar 2023
Cited by 4 | Viewed by 1990
Abstract
Platycodon grandiflorum belongs to the Campanulaceae family and is an important medicinal and food plant in East Asia. However, on the whole, the genome evolution of P. grandiflorum and the molecular basis of its major biochemical pathways are poorly understood. We reported a [...] Read more.
Platycodon grandiflorum belongs to the Campanulaceae family and is an important medicinal and food plant in East Asia. However, on the whole, the genome evolution of P. grandiflorum and the molecular basis of its major biochemical pathways are poorly understood. We reported a chromosome-scale genome assembly of P. grandiflorum based on a hybrid method using Oxford Nanopore Technologies, Illumina sequences, and high-throughput chromosome conformation capture (Hi-C) analysis. The assembled genome was finalized as 574 Mb, containing 41,355 protein-coding genes, and the genome completeness was assessed as 97.6% using a Benchmarking Universal Single-Copy Orthologs analysis. The P. grandiflorum genome comprises nine pseudo-chromosomes with 56.9% repeat sequences, and the transcriptome analysis revealed an expansion of the 14 beta-amylin genes related to triterpenoid saponin biosynthesis. Our findings provide an understanding of P. grandiflorum genome evolution and enable genomic-assisted breeding for the mass production of important components such as triterpenoid saponins. Full article
(This article belongs to the Special Issue Genome Assembly)
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