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single-cell RNA-seq 2

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BSR-seq / PmUGT72B3 / Prunus mume / UDP-glycosyltransferase / weeping shoots / WGCNA 1

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PathogenTrack and Yeskit: tools for identifying intracellular pathogens from single-cell RNA-sequencing datasets as illustrated by application to COVID-19

Frontiers of Medicine 2022, Volume 16, Issue 2,   Pages 251-262 doi: 10.1007/s11684-021-0915-9

Abstract: Taking advantage of single-cell RNA-sequencing (scRNA-seq) analysis, we can assess the transcriptomicHere, we introduced PathogenTrack, a python-based computational pipeline that uses unmapped scRNA-seqRobustness of these tools has been tested on various real and simulated scRNA-seq datasets.

Keywords： scRNA-seq     intracellular pathogen     microbe     COVID-19     SARS-CoV-2    

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immune escape and microenvironment between RG-like and pri-OPC-like glioma revealed by single-cell RNA-seq

Frontiers of Medicine doi: 10.1007/s11684-023-1017-7

Abstract: By conducting single-cell RNA-seq analyses on 26 gliomas, we reported their classification into primitive

Keywords： single-cell RNA-seq     glioma     radial glia     primitive oligodendrocyte precursor cell     immune escape    

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Effects of vitrification and cryostorage duration on single-cell RNA-Seq profiling of vitrified-thawed

Ying Huo, Peng Yuan, Qingyuan Qin, Zhiqiang Yan, Liying Yan, Ping Liu, Rong Li, Jie Yan, Jie Qiao

Frontiers of Medicine 2021, Volume 15, Issue 1,   Pages 144-154 doi: 10.1007/s11684-020-0792-7

Abstract: RNA-Seq profiles of 3 fresh oocytes and 13 surviving vitrified-thawed oocytes (3, 3, 4, and 3 oocytes

Keywords： human metaphase II oocyte     vitrification     cryostorage duration     single-cell RNA-Seq     lncRNA    

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Characterization of chromatin accessibility in psoriasis

Frontiers of Medicine 2022, Volume 16, Issue 3,   Pages 483-495 doi: 10.1007/s11684-021-0872-3

Abstract: The pathological hallmarks of psoriasis involve alterations in T cell genes associated with transcriptional levels, which are determined by chromatin accessibility. However, to what extent these alterations in T cell transcriptional levels recapitulate the epigenetic features of psoriasis remains unknown. Here, we systematically profiled chromatin accessibility on Th1, Th2, Th1-17, Th17, and Treg cells and found that chromatin remodeling contributes significantly to the pathogenesis of the disease. The chromatin remodeling tendency of different subtypes of Th cells were relatively consistent. Next, we profiled chromatin accessibility and transcriptional dynamics on memory Th/Treg cells. In the memory Th cells, 803 increased and 545 decreased chromatin-accessible regions were identified. In the memory Treg cells, 713 increased and 1206 decreased chromatin-accessible regions were identified. A total of 54 and 53 genes were differentially expressed in the peaks associated with the memory Th and Treg cells. FOSL1, SPI1, ATF3, NFKB1, RUNX, ETV4, ERG, FLI1, and ETC1 were identified as regulators in the development of psoriasis. The transcriptional regulatory network showed that NFKB1 and RELA were highly connected and central to the network. NFKB1 regulated the genes of CCL3, CXCL2, and IL1RN. Our results provided candidate transcription factors and a foundational framework of the regulomes of the disease.

Keywords： psoriasis     ATAC-seq     epigenetics     transcription factor    

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BULKED SEGREGANT RNA SEQUENCING (BSR-SEQ) IDENTIFIES A NOVEL ALLELE ASSOCIATED WITH WEEPING TRAITS IN

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract:

Weeping species are used both as ornamental plants and for breeding dwarf plant types. However, exploration of casual genes controlling weeping traits is rather limited. Here, we identified individuals with contrasting phenotypes from an F1 bi-parental mapping population of Prunus mume which was developed from a cross between the upright cultivar ‘Liuban’ and the weeping cultivar ‘Fentai Chuizhi’. Bulked segregant RNA sequencing was used and five QTLs on Chromosome 7 were identified. The Pm024074(PmUGT72B3) allele, belonging to the UDP-glycosyltransferase superfamily containing the coniferyl-alcohol glucosyltransferase domain, was identified in a genomic region overlapping with a previously identified QTL, and had a synonymous transition of T66(upright) to C (weeping) in the coding sequence and a 470-bp deletion in the promoter region. Pm024074 had exceptionally high expression in buds and stems of weeping P. mume. Weighted correlation network analysis indicates that genes neighboring Pm024074 were significantly associated with plant architecture. In addition, a reliable single nucleotide polymorphism marker was developed based on the variation in the Pm024074 gene, providing precise marker-assisted breeding for weeping traits. This study provides insights into the genetic mechanism governing the weeping trait in P. mume, and indicates potential applications for the manipulation of tree architecture.

Keywords： BSR-seq / PmUGT72B3 / Prunus mume / UDP-glycosyltransferase / weeping shoots / WGCNA    

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BULKED SEGREGANT RNA SEQUENCING (BSR-SEQ) IDENTIFIES A NOVEL ALLELE ASSOCIATED WITH WEEPING TRAITS IN

Xiaokang ZHUO, Tangchun ZHENG, Zhiyong ZHANG, Suzhen LI, Yichi ZHANG, Lidan SUN, Weiru YANG, Jia WANG, Tangren CHENG, Qixiang ZHANG

Frontiers of Agricultural Science and Engineering   Pages 196-214 doi: 10.15302/J-FASE-2020379

Abstract: Weeping species are used both as ornamental plants and for breeding dwarf plant types. However, exploration of casual genes controlling weeping traits is rather limited. Here, we identified individuals with contrasting phenotypes from an F bi-parental mapping population of which was developed from a cross between the upright cultivar ‘Liuban’ and the weeping cultivar ‘Fentai Chuizhi’. Bulked segregant RNA sequencing was used and five QTLs on Chromosome 7 were identified. The ( ) allele, belonging to the UDP-glycosyltransferase superfamily containing the coniferyl-alcohol glucosyltransferase domain, was identified in a genomic region overlapping with a previously identified QTL, and had a synonymous transition of T (upright) to C (weeping) in the coding sequence and a 470-bp deletion in the promoter region. had exceptionally high expression in buds and stems of weeping . Weighted correlation network analysis indicates that genes neighboring were significantly associated with plant architecture. In addition, a reliable single nucleotide polymorphism marker was developed based on the variation in the gene, providing precise marker-assisted breeding for weeping traits. This study provides insights into the genetic mechanism governing the weeping trait in , and indicates potential applications for the manipulation of tree architecture.

Keywords： BSR-seq     PmUGT72B3     Prunus mume     UDP-glycosyltransferase     weeping shoots     WGCNA    

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Single-cell RNA-seq data analysis on the receptor ACE2 expression reveals the potential risk of different

Xin Zou, Ke Chen, Jiawei Zou, Peiyi Han, Jie Hao, Zeguang Han

Frontiers of Medicine   Pages 185-192 doi: 10.1007/s11684-020-0754-0

Abstract: To construct a risk map of different human organs, we analyzed the single-cell RNA sequencing (scRNA-seqThrough scRNA-seq data analyses, we identified the organs at risk, such as lung, heart, esophagus, kidney

Keywords： 2019-nCoV     ACE2     single-cell RNA-seq    

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Identification of transporter proteins for PQQ-secretion pathways by transcriptomics and proteomics analysis in

Hui Wan,Yu Xia,Jianghua Li,Zhen Kang,Jingwen Zhou

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 72-88 doi: 10.1007/s11705-016-1580-4

Abstract: Pyrroloquinoline quinone (PQQ) plays a significant role as a redox cofactor in combination with dehydrogenases in bacteria. These dehydrogenases play key roles in the oxidation of important substrates for the biotechnology industry, such as vitamin C production. While biosynthesis of PQQ genes has been widely studied, PQQ-transport mechanisms remain unclear. Herein, we used both two-dimensional fluorescence-difference gel electrophoresis tandem mass spectrometry and RNA sequencing to investigate the effects of overexpression in an industrial strain of WSH-003. We have identified 73 differentially expressed proteins and 99 differentially expressed genes, a majority of which are related to oxidation-reduction and transport processes by gene ontology analysis. We also described several putative candidate effectors that responded to increased PQQ levels resulting from overexpression. Furthermore, quantitative PCR was used to verify five putative PQQ-transport genes among different PQQ producing strains, and the results showed that , and were upregulated in all conditions. Then the three genes were over-expressed in WSH-003 and PQQ production were detected. The results showed that extracellular PQQ of B932_1930 (a transporter) and B932_2186 (an ABC transporter permease) overexpression strains were enhanced by 1.77-fold and 1.67-fold, respectively. The results suggest that the proteins encoded by PqqB, B932_1930 and B932_2186 might enhance the PQQ secretion process.

Keywords： 2D-DIGE     pqqB     pyrroloquinoline quinone     RNA-Seq     Vitamin C    

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Global transcriptome analysis for identification of interactions between coding and noncoding RNAs during human erythroid differentiation

Nan Ding,Jiafei Xi,Yanming Li,Xiaoyan Xie,Jian Shi,Zhaojun Zhang,Yanhua Li,Fang Fang,Sihan Wang,Wen Yue,Xuetao Pei,Xiangdong Fang

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 297-310 doi: 10.1007/s11684-016-0452-0

Abstract:

Studies on coding genes, miRNAs, and lncRNAs during erythroid development have been performed in recent years. However, analysis focusing on the integration of the three RNA types has yet to be done. In the present study, we compared the dynamics of coding genes, miRNA, and lncRNA expression profiles. To explore dynamic changes in erythropoiesis and potential mechanisms that control these changes in the transcriptome level, we took advantage of high throughput sequencing technologies to obtain transcriptome data from cord blood hematopoietic stem cells and the following four erythroid differentiation stages, as well as from mature red blood cells. Results indicated that lncRNAs were promising cell marker candidates for erythroid differentiation. Clustering analysis classified the differentially expressed genes into four subtypes that corresponded to dynamic changes during stemness maintenance, mid-differentiation, and maturation. Integrated analysis revealed that noncoding RNAs potentially participated in controlling blood cell maturation, and especially associated with heme metabolism and responses to oxygen species and DNA damage. These regulatory interactions were displayed in a comprehensive network, thereby inferring correlations between RNAs and their associated functions. These data provided a substantial resource for the study of normal erythropoiesis, which will permit further investigation and understanding of erythroid development and acquired erythroid disorders.

Keywords： erythroid differentiation     hematopoietic stem cell     RNA-seq     miRNA     lncRNA    

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Title Author Date Type Operation

PathogenTrack and Yeskit: tools for identifying intracellular pathogens from single-cell RNA-sequencing datasets as illustrated by application to COVID-19

Journal Article

immune escape and microenvironment between RG-like and pri-OPC-like glioma revealed by single-cell RNA-seq

Journal Article

Effects of vitrification and cryostorage duration on single-cell RNA-Seq profiling of vitrified-thawed

Ying Huo, Peng Yuan, Qingyuan Qin, Zhiqiang Yan, Liying Yan, Ping Liu, Rong Li, Jie Yan, Jie Qiao

Journal Article

Characterization of chromatin accessibility in psoriasis

Journal Article

BULKED SEGREGANT RNA SEQUENCING (BSR-SEQ) IDENTIFIES A NOVEL ALLELE ASSOCIATED WITH WEEPING TRAITS IN

Journal Article

BULKED SEGREGANT RNA SEQUENCING (BSR-SEQ) IDENTIFIES A NOVEL ALLELE ASSOCIATED WITH WEEPING TRAITS IN

Xiaokang ZHUO, Tangchun ZHENG, Zhiyong ZHANG, Suzhen LI, Yichi ZHANG, Lidan SUN, Weiru YANG, Jia WANG, Tangren CHENG, Qixiang ZHANG

Journal Article

Single-cell RNA-seq data analysis on the receptor ACE2 expression reveals the potential risk of different

Xin Zou, Ke Chen, Jiawei Zou, Peiyi Han, Jie Hao, Zeguang Han

Journal Article

Identification of transporter proteins for PQQ-secretion pathways by transcriptomics and proteomics analysis in

Hui Wan,Yu Xia,Jianghua Li,Zhen Kang,Jingwen Zhou

Journal Article

Global transcriptome analysis for identification of interactions between coding and noncoding RNAs during human erythroid differentiation

Nan Ding,Jiafei Xi,Yanming Li,Xiaoyan Xie,Jian Shi,Zhaojun Zhang,Yanhua Li,Fang Fang,Sihan Wang,Wen Yue,Xuetao Pei,Xiangdong Fang

Journal Article