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Transcriptome analysis of adipose tissue and muscle of Laiwu and Duroc pigs

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animal Nutrition 2024年第2期17卷 134-143页

作者： Jie Wu Fangyuan Yu Zhaoyang Di Liwen Bian Jie Yang Lina Wang Qingyan Jiang Yulong Yin Lin Zhang National Engineering Research Center for breeding Swine Industry State Key Laboratory of Swine and Poultry Breeding IndustryGuangdong Laboratory of Lingnan Modern AgricultureGuangdong Provincial Key Laboratory of Animal Nutrition ControlCollege of Animal ScienceSouth China Agricultural University Key laboratory of Agro-Ecological Processes in Subtropical Region Laboratory of Animal Nutritional Physiology and Metabolic ProcessInstitute of Subtropical AgricultureChinese Academy of Sciences

Fat content is an important trait in pig production. Adipose tissue and muscle are important sites for fat deposition and affect production efficiency and quality. To regulate the fat content in these tissues, we need to understand the mechanisms behind fat deposition. Laiwu pigs, a Chinese indigenous breed, have significantly higher fat content in both adipose tissue and muscle than commercial breeds such as *** this study, we analyzed the transcriptomes in adipose tissue and muscle of 2.-d-old Laiwu and Duroc piglets. Results showed that there were 82. and 671 differentially expressed genes(DEG) in subcutaneous adipose tissue(SAT) and visceral adipose tissue(VAT), respectively. Functional enrichment analysis showed that these DEG were enriched in metabolic pathways, especially carbohydrate and lipid metabolism. Additionally, in the longissimus muscle(LM) and psoas muscle(PM), 312.and 335 DEG were identified, demonstrating enrichment in the cell cycle and metabolic pathways. The protein-protein interaction(PPI) networks of these DEG were analyzed and potential hub genes were identified, such as FBP1 and SCD in adipose tissues and RRM2.and GADL1 in muscles. Meanwhile, results showed that there were common DEG between adipose tissue and muscle, such as LDHB, THRSP, and DGAT2. These findings showed that there are significant differences in the transcriptomes of the adipose tissue and muscle between Laiwu and Duroc piglets(P < 0.05), especially in metabolic patterns. This insight serves to advance our comprehensive understanding of metabolic regulation in these tissues and provide targets for fat content regulation.

关键词： Laiwu Duroc Adipose Muscle Transcriptome Carbohydrate and lipid metabolism

Effects of electrolyte balance on intestinal barrier, amino acid metabolism, and mTORC1 signaling pathway in piglets fed lowprotein diets

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animal Nutrition 2024年第2期17卷 408-417页

作者： Qian Lin Xiaodian Tu Xin Li Feiyang Gou Lin Ding Zeqing Lu Jie Feng Yongfei Ying Caihong Hu College of animal Sciences Zhejiang University Key Laboratory of Molecular Animal Nutrition (Zhejiang University) Ministry of Education animal Husbandry Technology Promotion and breeding Livestock and Poultry Monitoring Station of Zhejiang Province

A proper dietary electrolyte balance(dEB) is essential to ensure optimal growth performance of piglets. In the low-protein diet, this balance may be affected by the reduction of soybean meal and the inclusion of high levels of synthetic amino acids. The objective of this experiment was to evaluate the optimal dEB of low-protein diets and its impact on the growth performance of piglets. A total of 108 piglets(initial age of35 d) were randomly divided into 3 groups with 6 replicates of 6 pigs each as follows: low electrolyte diet(LE group; dEB = 150 milliequivalents [mEq]/kg); medium electrolyte diet(ME group; dEB = 2.0 m Eq/kg);high electrolyte diet(HE group; d EB = 350 mEq/kg). Results indicated that the LE and HE diet significantly decreased the average daily gain, average daily feed intake, and crude protein digestibility(P 2.0 to 2.5 mEq/kg.

关键词： Low-protein Dietary electrolyte balance Piglet Mammalian target of rapamycin complex 1

Dietary black soldier fly oil enhances growth performance,flesh quality,and health status of largemouth bass(Micropterus salmoides)

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animal Nutrition 2024年第3期18卷 234-245页

作者： Hailin Yuan Junru Hu Xiangce Li Qiuxuan Sun Xiaohong Tan Cuihong You Yewei Dong Yanhua Huang Meng Zhou Innovative Institute of animal Healthy breeding College of Animal Sciences and TechnologyZhongkai University of Agriculture and EngineeringGuangzhouGuangdong 510225China Guangzhou Key laboratory of Aquatic animal Diseases and Waterfowl {2. GuangzhouGuangdong 510225China Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center GuangzhouGuangdong 510225China Guangdong Provincial Key laboratory of animal {2. and Nutrition Research GuangzhouGuangdong 510640China

The study aimed to assess the effects of dietary black soldier fly oil(BSFO)on the growth performance,flesh quality,and health status of largemouth bass(Micropterus salmoides).Six iso-nitrogenous and isolipid diets were formulated by substituting fish oil and soybean oil(1/2.wt/wt)with BSFO in percentages of 0%,2.%,40%,60%,80%,and 100%,*** diets were fed to 960 fish(initial body weight=16.5 g)in four replicates for 8 *** related to growth performance,body composition,hematology,flesh quality,expression of genes related to inflammatory cytokines and apoptosis,and the response of fish to Aeromonas veronii challenge were *** results showed that the weight gain rate was numerically improved in all BSFO substitution groups,ranging from 9.3%to 44.0%compared to the control *** highest survival rate and the lowest hepatosomatic index and condition factor were observed in the BFSO2. *** terms of flesh quality,the water-holding capacity of the dorsal muscle was elevated with higher levels of dietary ***,significant changes in texture properties(cohesiveness,gluing,and chewiness)were observed in the BSFO2. group(P2.%of dietary fish oil and soybean oil with BSFO is promisin

关键词： Micropterus salmoides Black soldier fly oil(BSFO) Growth performance Flesh quality Health status

Dynamic intrauterine crosstalk promotes porcine embryo implantation during early pregnancy

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Science China(Life Sciences) 2024年第8期67卷 1676-1696页

作者： Xupeng Zang Shengchen Gu Wenjing Wang Junsong Shi Jianyu Gan Qun Hu Chen Zhou Yue Ding Yanjuan He Lei Jiang Ting Gu Zheng Xu Sixiu Huang Huaqiang Yang Fanming Meng Zicong Li Gengyuan Cai Linjun Hong Zhenfang Wu State Key laboratory of Swine and Poultry breeding Industry National Engineering Research Center for Breeding Swine IndustryCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642China Guangdong Provincial Key laboratory of Agro-animal Genomics and Molecular {2. South China Agricultural UniversityGuangzhou 510642China Yunfu Subcenter of Guangdong laboratory for Lingnan Modern Agriculture Yunfu 527300China Guangdong Key laboratory of animal {2. and Nutrition Institute of Animal ScienceGuangdong Academy of Agricultural SciencesGuangzhou 510640China Key laboratory of South China Modern Biological Seed Industry Ministry of Agriculture and Rural AffairsGuangzhou 510520China

Dynamic crosstalk between the embryo and mother is crucial during ***,we comprehensively profile the single-cell transcriptome of pig peri-implantation embryos and corresponding maternal endometrium,identifying 4 different lineages in embryos and 13 cell types in the ***-specific gene expression characterizes 4 distinct trophectoderm subpopulations,showing development from undifferentiated trophectoderm to polar and mural *** expression of genes in different types of endometrial cells illustrates their molecular response to embryos during ***,we developed a novel tool,ExtraCellTalk,generating an overall dynamic map of maternal-foetal crosstalk using uterine luminal proteins as *** cross-species comparisons,we identified a conserved RBP4/STRA6 pathway in which embryonic-derived RBP4 could target the STRA6 receptor on stromal cells to regulate the interaction with other endometrial *** results provide insight into the maternal-foetal crosstalk during embryo implantation and represent a valuable resource for further studies to improve embryo implantation.

关键词： endometrial remodeling ExtraCellTalk implantation maternal-foetal crosstalk trophoblast

Large‑scale transcriptomic and genomic analyses reveal a novel functional gene SERPINB6 for chicken carcass traits

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Journal of animal Science and Biotechnology 2024年第4期15卷 1466-1481页

作者： Di Zhao Ranran Liu Xiaodong Tan Huimin Kang Jie Wang Zheng Ma Haiquan Zhao Hai Xiang Zhengfen Zhang Hua Li Guiping Zhao Guangdong Provincial Key laboratory of animal Molecular Design and Precise {2. School of Life Science and EngineeringFoshan UniversityFoshanChina State Key laboratory of animal Biotech {2. Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina Guangdong Tinoo’s Foods Group Co. Ltd.QingyuanChina

Background Carcass traits are crucial indicators of meat production ***,the molecular regulatory mechanisms associated with these traits remain *** In this study,we conducted comprehensive transcriptomic and genomic analyses on 399 Tiannong partridge chickens to identify key genes and variants associated with carcass traits and to elucidate the underlying regulatory *** on association analyses with the elastic net(EN)model,we identified 12.candidate genes(AMY1A,AP3B2.CEBPG,EEF2.EIF4EBP1,FGFR1,FOXD3,GOLM1,LOC107052.98,PABPC1,SERPINB6 and TBC1D16)for 4 carcass-related traits,namely live weight,dressed weight,eviscerated weight,and breast muscle ***6 was identified as the only overlapping gene by 3 analyses,EN model analysis,weighted gene co-expression network analysis and differential expression ***-level experiments confirmed that SERPINB6 promotes the proliferation of chicken DF1 cells and primary *** expression genome-wide association study and association analysis indicated that rs317934171 is the critical site that enhances SERPINB6 ***,a dual-luciferase reporter assay proved that gga-miR-1615 targets the 3′UTR of *** Collectively,our findings reveal that SERPINB6 serves as a novel gene for chicken carcass traits by promoting fibroblast and myoblast ***,the downstream variant rs317934171 regulates SERPINB6 *** results identify a new target gene and molecular marker for the molecular mechanisms of chicken carcass traits.

关键词： Carcass traits Chicken Genome SERPINB6 Transcriptome

Identification and Transcriptional Regulation of CAMTA Genes in Liriodendron chinense

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Phyton-International Journal of Experimental Botany 2024年第3期93卷 413-425页

作者： Kaiyue Hong Yasmina Radani Teja Manda Jinhui Chen Liming Yang State Key laboratory of Tree genetics and {2. College of Life SciencesNanjing Forestry UniversityNanjing210037China

This study explores CAMTA genes in the rare and endangered Chinese plant species,Liriodendron *** the completion of whole-genome sequencing,the roles of CAMTA genes in calcium regulation and stress responses in this species remain largely *** the *** genome,we identiﬁed two CAMTA genes,Lchi09764 and Lchi2.2.36,characterized by four functional domains:CG-1,TIG,ANK repeats,and IQ *** analyses,including phylogenetic investigations,cis-regulatory element analyses,and chromosomal location studies,aim to elucidate the deﬁning features of CAMTA genes in *** Weighted Gene Co-Expression Network Analysis(WGCNA),we explored the impact of CAMTA genes on different organs and their regulation under abiotic stress *** identiﬁcation of signiﬁcant gene modules and the prediction of promoter binding sites revealed co-expressed genes associated with CAMTA transcription *** summary,this study provides initial insights into CAMTA genes in ***,laying the groundwork for future research on their evolution and biological *** knowledge enhancement contributes to a better understanding of plant responses to environmental stress—an essential aspect of plant biology.

关键词： Liriodendron chinense CAMTA genes abiotic stress WGCNA different organs

Diarrhea induced by insufficient fat absorption in weaned piglets:Causes and nutrition regulation

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animal Nutrition 2024年第1期16卷 299-305页

作者： Yuying Li Pengjun Shi Kang Yao Qian Lin Mansheng Wang Zhenping Hou Wenjie Tang Hui Diao Institute of Bast Fiber Crops Chinese Academy of Agricultural SciencesChangsha 410205China Institute of Subtropical Agriculture Chinese Academy of SciencesHunan Province Key Laboratory of Animal Nutritional Physiology and Metabolic ProcessChangsha 410125China animal breeding and {2. Key laboratory of Sichuan Province Livestock and Poultry Biological Products Key Laboratory of Sichuan ProvinceSichuan Animal Science AcademySichuan Animtech Feed Co.LtdChengdu 610066China

Fat is one of the three macronutrients and a significant energy source for *** plays a positive role in maintaining intestinal health and improving production *** the weaning period,physiological,stress and diet-related factors influence the absorption of fat in piglets,leading to damage to the intestinal barrier,diarrhea and even *** pathways,such as fatty acid translocase(CD36),pregnane X receptor(PXR),and AMP-dependent protein kinase(AMPK),are responsible for regulating intestinal fat uptake and maintaining intestinal barrier ***,this review mainly elaborates on the reasons for diarrhea induced by insufficient fat absorption and related signaling pathways in weaned-piglets,with an emphasis on the intestinal fat absorption ***,we focus on introducing nutritional strategies that can promote intestinal fat absorption in piglets with insufficient fat absorption-related diarrhea,such as lipase,amino acids,and probiotics.

关键词： Weaned piglet Diarrhea Fat absorption Nutrient regulation

Spatially resolved transcriptomic profiling of placental development in dairy cow

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Zoological Research 2024年第3期45卷 586-600页

作者： Guang-Hui Tan Shi-Jie Liu Ming-Le Dou De-Feng Zhao Ao Zhang Heng-Kuan Li Fu-Nong Luo Tao Shi Hao-Ping Wang Jing-Yuan Lei Yong Zhang Yu Jiang Yi Zheng Fei Wang Key laboratory of animal {2. Breeding and Reproduction of Shaanxi ProvinceCollege of Animal Science and TechnologyNorthwest A&F UniversityYanglingShaanxi 712100China Key laboratory of Livestock Biology Northwest A&F UniversityYanglingShaanxi 712100China Key laboratory of animal Biotechnology of the Ministry of Agriculture Northwest A&F UniversityYanglingShaanxi 712100China College of Information Engineering Northwest A&F UniversityYanglingShaanxi 712100China

The placenta plays a crucial role in successful mammalian *** animals possess a semi-invasive placenta characterized by a highly vascularized structure formed by maternal endometrial caruncles and fetal placental cotyledons,essential for full-term fetal *** cow placenta harbors at least two trophoblast cell populations:uninucleate(UNC)and binucleate(BNC)***,the limited capacity to elucidate the transcriptomic dynamics of the placental natural environment has resulted in a poor understanding of both the molecular and cellular interactions between trophoblast cells and niches,and the molecular mechanisms governing trophoblast differentiation and *** fill this knowledge gap,we employed Stereo-seq to map spatial gene expression patterns at near single-cell resolution in the cow placenta at 90 and 130 days of gestation,attaining high-resolution,spatially resolved gene expression *** on clustering and cell marker gene expression analyses,key transcription factors,including YBX1 and NPAS2.were shown to regulate the heterogeneity of trophoblast cell *** communication and trajectory analysis provided a framework for understanding cell-cell interactions and the differentiation of trophoblasts into BNCs in the placental *** analysis of cell trajectories identified a set of genes involved in regulation of trophoblast ***,spatial modules and co-variant genes that help shape specific tissue structures were ***,these findings provide foundational insights into important biological pathways critical to the placental development and function in cows.

关键词： Spatial transcriptomics Dairy cow Placenta Gestation

ChMYB1-ChbHLH42.ChTTG1 module regulates abscisic acidinduced anthocyanin biosynthesis in Cerasus humilis

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Horticultural Plant Journal 2024年第1期10卷 51-65页

作者： Xiaolong Ji Zhe Li Mingyu Zhang Shaoyu Lang Xingshun Song State Key laboratory of Tree genetics and {2. Northeast Forestry UniversityHarbinHeilongjiang 150040China Department of genetics College of Life ScienceNortheast Forestry UniversityHarbinHeilongjiang 150040China

Cerasus humilis is a kind of economic fruit tree peculiar to China,which is widely used in the food,landscape,and pharmaceutical *** are a phenolic metabolite that plays an essential role in fruit ***,the regulatory network of *** in anthocyanin biosynthesis is still *** this study,the R2.3-MYB transcription factor ChMYB1 was isolated from the full genome of the *** one-hybrid,dual-luciferase assays,and GUS staining showed that ChMYB1 significantly increased anthocyanin contents in *** fruit by promoting the expression of ChCHS and ChUFGT by binding MBS(MYB-binding elements).ChMYB1 interacted with ChbHLH42.nd ChTTG1 to form the MBW complex and further enhanced the expression of *** addition,abscisic acid(ABA)treatment promoted the expression of ChMYB1 and anthocyanin accumulation in *** ***,ABA treatment enhanced the interaction between ChMYB1 and ***,ChABI5 inhibited the interaction between ChMYB1 and *** data elucidated the primary molecular mechanism of anthocyanin biosynthesis in *** fruit,deepening the understanding of the regulatory network affecting anthocyanin metabolism in edible fruit crops.

关键词： Cerasus humilis Anthocyanin ChMYB1 Fruit ABA