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Comprehensive analysis of differentially expressed mRNA, circRNA and miRNA and their ceRNA networks in testis of cattle-yak, yak and cattle

ABSTRACT: Comprehensive analysis of differentially expressed mRNA, circRNA and miRNA and their ceRNA networks in testis of cattle-yak, yak and cattle

PROVIDER: PRJNA1072142 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27841600.fastq.gz	Fastqsanger.gz
	SRR27841601.fastq.gz	Fastqsanger.gz
	SRR27841602_1.fastq.gz	Fastqsanger.gz
	SRR27841602_2.fastq.gz	Fastqsanger.gz
	SRR27841603_1.fastq.gz	Fastqsanger.gz

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Comprehensive analysis of differentially expressed mRNA, circRNA and miRNA and their ceRNA networks in testis of cattle-yak, yak and cattle

Project description:Cattle-yak is the hybrid offspring of yak and cattle. It has obvious heterosis in production performance, but the male sterility of cattle-yak has always been the focus of attention. Studies have shown that non-coding RNA is involved in the regulation of spermatogenesis. We comprehensively compared the testicular transcription profiles of cattle, yak and cattle-yak. More DEGs, DECs and DEMs were found in the intersection of the two comparison groups of cattle and cattle-yak, yak and cattle-yak, with 4,968, 360 and 59, respectively. The DEGs of cattle-yak, cattle and yak were mainly enriched in biological processes such as spermatogenesis, male gamete generation and sexual reproduction. At the same time, GO and KEGG analysis suggested that DECs host genes and DEMs source genes were also involved in the regulation of spermatogenesis. The construction of potential ceRNA networks found that some differentially expressed ncRNAs may be involved in the regulation of genes related to testicular spermatogenesis, including miR-423-5p, miR-449b, miR-34b/c, miR-15b, etc., as well as unreported miR-6123, miR-1306 and some miRNA and circRNA interaction pairs. This study provides a reference for further study on the mechanism of male sterility in cattle-yak.

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Characterization of N6-methyladenosine in the testis tissue of cattle-yak

Project description:N6-methyladenosine (m6A) is the most prominent mRNA modification in eukaryotes, and its potential regulatory role has recently been identified in mammals, plants, and yeast. However, how m6A methylation regulates spermatogenesis remains unknown. In this study, cattle-yak testis tissue was used as the experimental material, and the m6A map was generated through preliminary experiments and methylated RNA immunoprecipitation sequencing. Only spermatogonia and Sertoli cells were observed in cattle-yak testis tissue. Experiments examining the expression of methylation-related enzymes and the overall methylation level showed that the methylation level in the testis of the cattle-yak was slightly lower than that of the sexually mature yak, but significantly higher than that of the pre-sexually mature yak. Annotation analysis indicated that differentially methylated peaks were most frequently concentrated in exonic regions, followed by 3'UTR and finally 5'UTR regions. Through enrichment analysis of differentially expressed genes and differentially methylated corresponding genes, GO analysis of T-vs-Y group mainly involved spermatogenesis, including cytoskeleton, actin binding, etc. KEGG analysis showed that the differential genes were mainly enriched in actin cytoskeleton regulation and MAPK signaling pathway. GO analysis of the T-vs-M group mainly involved protein ubiquitination, ubiquitin ligase complexes, ubiquitin-dependent protein catabolism and endocytosis. KEGG analysis mainly involved apoptosis and Fanconi anemia pathways. This study will lay the foundation for elucidating the molecular mechanism of m6A in male sterility of cattle-yak.

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10x genomics single cell sequencing of yak testis

Project description:Testis is the most important male reproductive organ, and the integrity of its physiological function is crucial to the successful production of sperm. In this study, the expression profiles of 11 991 and 8 930 cells in testicular tissue of yak and cattle-yak after sexual maturity were established using Single-cell RNA sequencing. The identification results of cell subpopulations and marker genes were analyzed and their possible mechanisms were predicted.

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Comparative analysis of the testis tissue transcriptome of 4-year-old yak and cattle-yak

Project description:RNA sequence analysis identified a total of 8473 differentially expressed genes (DEGs) (3580 up-regulated, 4893 down-regulated), and GO annotation and KEGG enrichment of differential genes found that DEGS were mostly related to spermatogenesis and apoptosis. Among them, Spermatogonia stem cell (SSCs) marker genes (ITGA5, Gfra1, CD9, SOHLH1, SALL4, ID4 and FOXO1) were significantly up-regulated, differentiation spermatogenic cell marker genes (KIT, UCHL1, Ccna1, TNP1 and TXNDC2) were significantly down-regulated, and genes involved in apoptosis (Fas, CTSK, CTSB, CTSC, CTSO, caspase 3, caspase6, and caspase) were significantly up-regulated. Furthermore, the AS events in cattle-yak are significantly lower than in yak, we speculate that lack of mRNA and protein subtypes may lead to spermatogenic arrest in yak testicle.

2022-07-23 | GSE208693 | GEO

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Project description:Testis is the most important reproductive organ of men, and the integrity of its physiological function is crucial for the successful production of sperm. In this study, single-cell RNA sequencing technology was used to construct cell expression profiles of yak at different developmental stages and adult cattle-yak testicular tissues. The identification results of cell subsets and marker genes were analyzed, and the possible mechanisms were predicted.

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Project description:Short-reading long RNA sequencing technology has been used to study the transcriptome of skeletal muscle of yak and cattle-yak, but it cannot accurately define full-length transcripts and alternative splicing isoforms. In this study, based on Oxford Nanopore Technologies ( ONT ) full-length sequencing technology, the longissimus dorsi transcription profiles of yak and cattle-yak were obtained. A total of 20323 new genes and 172870 new transcripts were identified, and 159700 new transcripts were successfully annotated. A total of 157812 AS events, 58073 SSRs, 57468 complete ORFs, 2296 transcription factors and 20404 lncRNAs were detected. The analysis found that different structural variations have specific functions, which contribute to the coordination of muscle development and the diversity of gene expression. In addition, the differentially expressed transcripts in longissimus dorsi muscle of yak and cattle-yak were involved in MAPK and JAK-STAT signaling pathway related to muscle development and growth. PPI analysis of differentially expressed transcripts suggested that TNNI2 may play a prominent role in the differences in muscle growth and meat quality traits between yak and cattle-yak. Our study enriched the transcriptome data of yak dorsal muscle and provided a reference for the production of yaks with higher meat yield and better meat quality.

2025-06-02 | GSE269050 | GEO

Ribo-seq reveals translational landscapes during yak testicular development process and cattle-yak.

Project description:This study used yak and cattle-yak testes from different developmental stages as materials to construct a complete translation map of the testes, and integrated transcriptome and translation results to explore gene expression changes during the sexual maturation process of yak testes. This study utilized Ribo seq technology to construct a transcriptome map of yak testicular development, revealing that the expression of genes related to spermatogenesis is specifically translated and regulated at different developmental stages. In addition, many unknown open reading frames (ORFs) in the testes have been newly identified.

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Comparative analysis of the testis tissue transcriptome of 4-year-old yak and cattle-yak

Project description:Comparative analysis of the testis tissue transcriptome of 4-year-old yak and cattle-yak

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Characterization of N6-methyladenosine in the testis tissue of cattle-yak

Project description:Characterization of N6-methyladenosine in the testis tissue of cattle-yak

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Transcriptome studies reveal the regulation of m6A in testis development and spermatogenesis in yak

Project description:Studying spermatogenesis is the key to understanding the development mechanism of the yak reproductive system. Although N6-methyladenosine (m6A) RNA modification has been reported to regulate spermatogenesis and reproductive function in mammals, the molecular mechanism of m6A in yak testis development and spermatogenesis remains largely unknown. Therefore, we collected testicular tissue from junile and adult yaks, and found that the m6A level significantly increased after sexual maturity in yak. In MeRIP-seq, 1,702 hypermethylated peaks and 724 hypomethylated peaks were identified. The hypermethylated differentially methylated RNAs (DMRs) (CIB2, AK1, FOXJ2, PKDREJ, SLC9A3, and TOPAZ1) mainly regulated spermatogenesis, while the hypomethylated DMRs (BCL6, USP25, CD96, EPHA2, and TAF12) mainly participated in immune response. Functional enrichment analysis showed that DMRs were significantly enriched in the adherens junction, gap junction, and Wnt, PI3K, and mTOR signaling pathways, regulating cell development, spermatogenesis, and testicular endocrine function. The functional analysis of differentially expressed genes showed that they were involved in the biological processes of mitosis, meiosis, and flagellated sperm motility during sexual maturity of yak testis. We also screened the key regulatory factors of testis development and spermatogenesis by combined analysis, which included BRCA1, CREBBP, STAT3, and SMAD4. This study has important research value and practical guiding significance for yak genetic improvement, particularly in understanding the molecular mechanism and evolutionary dynamics of the progression of testis developmental stages in yaks.

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