scholarly journals High quality genome of Erigeron breviscapus provides a reference for herbal plants in Asteraceae

2020 ◽  
Vol 21 (1) ◽  
pp. 153-169
Author(s):  
Simei He ◽  
Xiao Dong ◽  
Guanghui Zhang ◽  
Wei Fan ◽  
Shengchang Duan ◽  
...  
Keyword(s):  
High Quality ◽  
Herbal Plants ◽  
Erigeron Breviscapus ◽  
High Quality Genome

High-quality genome assembly of Huazhan and Tianfeng, the parents of an elite rice hybrid Tian-you-hua-zhan

2021 ◽  
Author(s):  
Hui Zhang ◽  
Yuexing Wang ◽  
Ce Deng ◽  
Sheng Zhao ◽  
Peng Zhang ◽  
...  
Keyword(s):  
Genome Assembly ◽  
High Quality ◽  
Rice Hybrid ◽  
High Quality Genome

scholarly journals High-Quality Genome Resource of the Pathogen of Diaporthe (Phomopsis) phragmitis Causing Kiwifruit Soft Rot

2020 ◽  
Author(s):  
Pu Liu ◽  
Wang Xiaojie ◽  
Dong Hongjie ◽  
Jianbin Lan ◽  
Kuan Liang ◽  
...  
Keyword(s):  
Plant Pathogens ◽  
Management Strategies ◽  
Soft Rot ◽  
Fruit Rot ◽  
Economic Plant ◽  
High Quality ◽  
Total Size ◽  
Genome Wide ◽  
Solid Foundation ◽  
High Quality Genome

Diaporthe spp. are critical plant pathogens that cause wood cankers, wilt, dieback, and fruit rot in a wide variety of economic plant hosts and are regarded as one of the most acute threats faced by kiwifruit industry worldwide. Diaporthe phragmitis strain NJD1 is a highly pathogenic isolate of soft rot of kiwifruit. Here, we present a high-quality genome-wide sequence of D. phragmitis NJD1 that was assembled into 28 contigs containing a total size of 58.33 Mb and N50 length of 3.55 Mb. These results lay a solid foundation for understanding host–pathogen interaction and improving disease management strategies.

scholarly journals Whole-Genome Sequencing of Chinese Yellow Catfish Provides a Valuable Genetic Resource for High-Throughput Identification of Toxin Genes

Toxins ◽  
2018 ◽  
Vol 10 (12) ◽  
pp. 488 ◽  
Author(s):  
Shiyong Zhang ◽  
Jia Li ◽  
Qin Qin ◽  
Wei Liu ◽  
Chao Bian ◽  
...  
Keyword(s):  
High Throughput ◽  
Genome Assembly ◽  
Raw Materials ◽  
Pelteobagrus Fulvidraco ◽  
Yellow Catfish ◽  
High Quality ◽  
Protein Coding ◽  
Toxin Genes ◽  
Sequencing Platforms ◽  
High Quality Genome

Naturally derived toxins from animals are good raw materials for drug development. As a representative venomous teleost, Chinese yellow catfish (Pelteobagrus fulvidraco) can provide valuable resources for studies on toxin genes. Its venom glands are located in the pectoral and dorsal fins. Although with such interesting biologic traits and great value in economy, Chinese yellow catfish is still lacking a sequenced genome. Here, we report a high-quality genome assembly of Chinese yellow catfish using a combination of next-generation Illumina and third-generation PacBio sequencing platforms. The final assembly reached 714 Mb, with a contig N50 of 970 kb and a scaffold N50 of 3.65 Mb, respectively. We also annotated 21,562 protein-coding genes, in which 97.59% were assigned at least one functional annotation. Based on the genome sequence, we analyzed toxin genes in Chinese yellow catfish. Finally, we identified 207 toxin genes and classified them into three major groups. Interestingly, we also expanded a previously reported sex-related region (to ≈6 Mb) in the achieved genome assembly, and localized two important toxin genes within this region. In summary, we assembled a high-quality genome of Chinese yellow catfish and performed high-throughput identification of toxin genes from a genomic view. Therefore, the limited number of toxin sequences in public databases will be remarkably improved once we integrate multi-omics data from more and more sequenced species.

scholarly journals Mutations in emerging variant of concern lineages disrupt genomic sequencing of SARS-CoV-2 clinical specimens

2021 ◽  
Author(s):  
Kevin S Kuchinski ◽  
Jason Nguyen ◽  
Tracy D Lee ◽  
Rebecca Hickman ◽  
Agatha N Jassem ◽  
...  
Keyword(s):  
British Columbia ◽  
Laboratory Data ◽  
Genomic Sequencing ◽  
Genome Sequences ◽  
High Quality ◽  
Laboratory Methods ◽  
Clinical Specimens ◽  
Recent Outbreak ◽  
High Quality Genome

Mutations in emerging SARS-CoV-2 lineages can interfere with the laboratory methods used to generate high-quality genome sequences for COVID-19 surveillance. Here, we identify 46 mutations in current variant of concern lineages affecting the widely used laboratory protocols for SARS-CoV-2 genomic sequencing by Freed et al. and the ARTIC network. We provide laboratory data showing how three of these mutations disrupted sequencing of P.1 lineage specimens during a recent outbreak in British Columbia, Canada, and we also demonstrate how we modified the Freed et al. protocol to restore performance.

scholarly journals High quality genome resource of mango bacterial black spot pathogen Xanthomonas citri pv. mangiferaeindicae GXG07 isolated from Guangxi, China

Plant Disease ◽  
2021 ◽  
Author(s):  
Fengzhi Bie ◽  
Yiming Li ◽  
Zhibin Liu ◽  
Meijing Qin ◽  
Shuping Li ◽  
...  
Keyword(s):  
Black Spot ◽  
Economic Losses ◽  
High Fidelity ◽  
Whole Genome ◽  
Sequencing Technology ◽  
Xanthomonas Citri ◽  
High Quality ◽  
Genomic Resources ◽  
High Quality Genome ◽  
Growing Region

Xanthomonas citri pv. mangiferaeindicae (Xcm) is the causal agent of mango bacterial black spot which is present in many mango growing regions and leads to great economic losses to mango industry. Due to the limitation of high-quality genomic resources, little is known about the molecular pathogenesis of Xcm. Here, we used PacBio High Fidelity reads (HiFi) sequencing technology to sequence and analyze the whole genome of an Xcm strain GXG07 isolated from Guangxi, the largest mango growing region in China. PacBio HiFi reads with a mean coverage of 450× had been assembled into three contigs of 5,166,537, 79,634 and 30,169 bp, revealing that the genome of Xcm GXG07 contains one chromosome and two plasmids. This genome provides a resource to better understand the biology and pathogenicity of mango bacterial black spot.

scholarly journals Genome Assembly and Population Resequencing Reveal the Geographical Divergence of 'Shanmei'(Rubus corchorifolius)

2021 ◽  
Author(s):  
Yinqing Yang ◽  
Kang Zhang ◽  
Ya Xiao ◽  
Lingkui Zhang ◽  
Yile Huang ◽  
...  
Keyword(s):  
Genome Assembly ◽  
Ancestral Population ◽  
Effective Population ◽  
High Quality ◽  
Local Environments ◽  
Rubus Species ◽  
Rubus Chingii ◽  
Rubus Chingii Hu ◽  
Genomic Regions ◽  
High Quality Genome

Rubus corchorifolius (Shanmei or mountain berry, 2n =14) is widely distributed in China, and its fruit has high nutritional and medicinal values. Here, we report a high-quality chromosome-scale genome assembly of Shanmei, with a size of 215.69 Mb and encompassing 26696 genes. Genome comparisons among Rosaceae species show that Shanmei and Fupenzi(Rubus chingii Hu) are most closely related, and then is blackberry (Rubus occidentalis). Further resequencing of 101 samples of Shanmei collected from four regions in provinces of Yunnan, Hunan, Jiangxi and Sichuan in South China reveals that the Hunan population of Shanmei possesses the highest diversity and may represent the relatively more ancestral population. Moreover, the Yunnan population undergoes strong selection based on nucleotide diversity, linkage disequilibrium and the historical effective population size analyses. Furthermore, genes from candidate genomic regions that show strong divergence are significantly enriched in flavonoid biosynthesis and plant hormone signal transduction, indicating the genetic basis of adaptation of Shanmei to the local environments. The high-quality genome sequences and the variome dataset of Shanmei provide valuable resources for breeding applications and for elucidating the genome evolution and ecological adaptation of Rubus species.

scholarly journals Complete High-Quality Genome Sequence of Clostridium limosum (Hathewaya limosa) Isolate 14S0207, Recovered from a Cow with Suspected Blackleg in Germany

2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Prasad Thomas ◽  
Mostafa Y. Abdel-Glil ◽  
Anne Busch ◽  
Lothar H. Wieler ◽  
Inga Eichhorn ◽  
...  
Keyword(s):  
Genome Sequence ◽  
Complete Genome Sequence ◽  
Complete Genome ◽  
Intestinal Tract ◽  
High Quality ◽  
Circular Chromosome ◽  
Content Type ◽  
High Quality Genome

Clostridium limosum can be found in soil and the intestinal tract of animals. In 2014, C. limosum was isolated from a suspected blackleg outbreak in cattle in Schleswig-Holstein, Germany. We present a complete genome sequence of a C. limosum strain represented by a circular chromosome and three plasmids.

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