IF 1.7 3区农林科学

Animal Biotechnology Pub Date : 2025-12-01 Epub Date: 2025-06-10 DOI: 10.1080/10495398.2025.2515462

Samira Giovannini, Maria Giuseppina Strillacci, Raffaella Milanesi, Caterina Altissimi, Massimo Biagetti, Francesca Maria Sarti

{"title":"Genomic characterization and insights into the belted coat pattern of a local, reconstituted pig population.","authors":"Samira Giovannini, Maria Giuseppina Strillacci, Raffaella Milanesi, Caterina Altissimi, Massimo Biagetti, Francesca Maria Sarti","doi":"10.1080/10495398.2025.2515462","DOIUrl":"https://doi.org/10.1080/10495398.2025.2515462","url":null,"abstract":"The Cinghiato pig population originates from a breeding project aimed at reconstituting an extinct local swine breed, historically depicted in frescoes in Umbria, Central Italy. The selection strategy employed a reconstruction breeding program, choosing mating pairs based on the unique coat phenotype represented in these artworks. Unlike the traditional Cinta Senese breed, Cinghiato pigs exhibit a white belt encircling the trunk, while their forelimbs remain black. This study explores the genetic background of the belted coat pattern observed in the heterogeneous reconstituted population. Twenty-two pigs were genotyped using the Porcine GGP 80K SNP BeadChip. Genetic analyses were conducted to assess population structure and diversity, with comparisons made to other Italian pig breeds and wild boars. Findings reveal moderate genetic diversity within the Cinghiato population. Runs of Homozygosity patterns suggest historical inbreeding events. Moreover, several genomic regions were associated with traits relevant to niche pork production, including feed intake, leg conformation, and fat deposition. Polymorphisms were detected in 10 coat color-related genes (KIT, MC1R, ASIP, EDNRB, KITLG, MITF, OCA2, PAX3, SOX10, and TYRP1). Although some candidate variants were identified, this preliminary study highlights the need for further research to clarify the genetic mechanisms underlying the phenotypic variability of belted coat patterns.","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"36 1","pages":"2515462"},"PeriodicalIF":1.7,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144257158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Eucommia ulmoides and its inhibitory effects on prevotella in piglet gut microbiome through metagenomic and metabolomic analysis. 杜仲及其对仔猪肠道微生物群普氏菌的抑制作用。

IF 1.7 3区农林科学

Animal Biotechnology Pub Date : 2025-12-01 Epub Date: 2025-06-10 DOI: 10.1080/10495398.2025.2503753

Shanshan Han, Qiang Zhang, Hongyan Zhang, Jian Ma

{"title":"Eucommia ulmoides and its inhibitory effects on prevotella in piglet gut microbiome through metagenomic and metabolomic analysis.","authors":"Shanshan Han, Qiang Zhang, Hongyan Zhang, Jian Ma","doi":"10.1080/10495398.2025.2503753","DOIUrl":"https://doi.org/10.1080/10495398.2025.2503753","url":null,"abstract":"Eucommia ulmoides (EU) is a traditional medicinal plant widely cultivated across China. The combination of EU and feed significantly affects the growth performance, intestinal microbiota composition, and metabolic characteristics of weaned piglets. Forty Landrace x Yorkshire piglets were randomly assigned to four groups: a control group receiving a basal diet, three treatment groups receiving a basal diet supplemented with EU and EU with mix energy (EU+ME), and EU with high protein and energy (EU+HPE), respectively. Growth performance was monitored over a 25-day feeding period, and fecal samples were collected for subsequent metagenomic sequencing and metabolomic analysis. Piglets supplemented with EU, EU+ME, and EU+HPE exhibited significantly improved growth performance, compared to the control group. Metagenomic analysis revealed significant alterations in gut microbiota composition, with increased beneficial bacterial classes and suppression of Prevotella spp. Metabolomic profiling demonstrated distinct metabolic alterations among the treatment groups, with pathway impact analysis highlighting enhanced protein synthesis and energy metabolism. Furthermore, EU supplementation did not affect porcine epidemic diarrhea virus activity in vitro but reduced LPS-induced intestinal inflammation. These findings suggest that EU could be a promising natural additive for improving piglet health and growth, with potential implications for managing post-weaning challenges in swine production.","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"36 1","pages":"2503753"},"PeriodicalIF":1.7,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144265132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The use of the serum progesterone strip test as a clinical tool for assessing reproductive status in replacement gilts. 使用血清孕酮试纸作为评估替代后备后备母猪生殖状况的临床工具。

IF 2.5 2区农林科学

Theriogenology Pub Date : 2025-12-01 Epub Date: 2025-08-06 DOI: 10.1016/j.theriogenology.2025.117627

Preechaphon Taechamaeteekul, Umaporn Pimpitak, Junpen Suwimonteerabutr, Wanwisa Poonlapdecha, Nutthiwut Khun-Arwut, Kittinan Komolpis, Sirirat Rengpipat, Kridtasak Sang-Gassanee, Hongyao Lin, Miquel Collell, Robert V Knox, Padet Tummaruk

{"title":"The use of the serum progesterone strip test as a clinical tool for assessing reproductive status in replacement gilts.","authors":"Preechaphon Taechamaeteekul, Umaporn Pimpitak, Junpen Suwimonteerabutr, Wanwisa Poonlapdecha, Nutthiwut Khun-Arwut, Kittinan Komolpis, Sirirat Rengpipat, Kridtasak Sang-Gassanee, Hongyao Lin, Miquel Collell, Robert V Knox, Padet Tummaruk","doi":"10.1016/j.theriogenology.2025.117627","DOIUrl":"10.1016/j.theriogenology.2025.117627","url":null,"abstract":"Identifying the reproductive status of replacement gilts at the appropriate age can improve mating efficiency and reduce non-productive days. This study aimed to evaluate the reproductive status of gilts and assess the accuracy of a serum progesterone strip test. A total of 112 Landrace × Yorkshire gilts, aged 196-238 days, were enrolled. Estrus detection was performed daily from 189 days of age using the back-pressure test with fence-line boar exposure. Blood samples were collected from all gilts, and serum progesterone levels were determined using both ELISA and a progesterone lateral flow assays (LFAs) strip test. Puberty was defined by an ELISA-based serum progesterone concentration ≥5.0 ng/ml. The LFAs employed a competitive assay using a monoclonal antibody against progesterone. A single test line indicated a 'positive' result (pubertal), while two lines indicated 'negative' (prepubertal). To perform the test, 2-3 drops of serum were applied to the strip, with results read after 15 min. Based on ELISA, 51.8 % of gilts were pubertal and 48.2 % were prepubertal. Pubertal gilts had significantly higher serum progesterone levels than prepubertal gilts (30.8 ± 11.4 vs. 0.8 ± 0.8 ng/ml; P < 0.001). The LFAs correctly identified 98.2 % of pubertal gilts and 94.4 % of prepubertal gilts, yielding a sensitivity of 98.2 % and specificity of 94.4 %. In conclusion, the progesterone strip test demonstrated high accuracy and shows strong potential for on-farm use in identifying pubertal gilts based on serum progesterone concentration.","PeriodicalId":23131,"journal":{"name":"Theriogenology","volume":"248 ","pages":"117627"},"PeriodicalIF":2.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144804913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evidence of ineffectiveness of insulin-like growth factor 1 (IGF-1) on in vitro production of bovine embryos: systematic review and meta-analysis. 胰岛素样生长因子1 （IGF-1）对牛胚胎体外生产无效的证据：系统回顾和荟萃分析。

IF 2.5 2区农林科学

Theriogenology Pub Date : 2025-12-01 Epub Date: 2025-08-07 DOI: 10.1016/j.theriogenology.2025.117626

Giovana de Santi Phelippe Nunes, Alan Brunholi Giroto, Sarah Gomes Nunes, Edson Assunção Mareco, Beatriz Díaz-Fabregat, Anthony César de Souza Castilho

{"title":"Evidence of ineffectiveness of insulin-like growth factor 1 (IGF-1) on in vitro production of bovine embryos: systematic review and meta-analysis.","authors":"Giovana de Santi Phelippe Nunes, Alan Brunholi Giroto, Sarah Gomes Nunes, Edson Assunção Mareco, Beatriz Díaz-Fabregat, Anthony César de Souza Castilho","doi":"10.1016/j.theriogenology.2025.117626","DOIUrl":"10.1016/j.theriogenology.2025.117626","url":null,"abstract":"Unsatisfactory results of in vitro maturation (IVM) impair the development, survival and implantation of the embryo. Insulin-like growth factor 1 (IGF-1) is widely used in IVM, but its efficacy is controversial and consistent evidence is lacking. To investigate the efficacy of IGF-1 in IVM, we conducted a systematic review and meta-analysis on bovine oocytes competence and subsequent embryonic development. We structured the research question according to the PICO model: \"Does IGF-1 enhance in vitro embryo production in cattle during maturation?\" We consulted scientific databases such as PubMed/MEDLINE, Embase and Scopus. The assessment of the methodological quality of the selected articles, the risk of bias, was performed with SYRCLE® by two reviewers. Data analysis was performed with R software, the \"META\" package for meta-analysis, using the metabin function to assess data proportions and estimate random effects, and the forest function for graphical representation. Of the 43 articles evaluated, eight were included in the statistical analysis. The results of the meta-analysis showed no significant effect of IGF-1 on cleavage rate (OR = 1.28 [0.96; 1.71]; p > 0.05) and on blastocyst yield (OR = 0.88 [0.64; 1.22]; p > 0.05). In conclusion, although IGF-1 is a key protein for cell differentiation, its addition during IVM does not promote blastocyst development. Therefore, we propose novel strategies to increase the bioavailability of IGF-1 during IVM in cattle to potentially improve embryonic outcomes.","PeriodicalId":23131,"journal":{"name":"Theriogenology","volume":"248 ","pages":"117626"},"PeriodicalIF":2.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144817467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Developing a novel TaqMan qPCR assay for optimizing Salmonella Pullorum detection in chickens. 建立鸡白痢沙门氏菌TaqMan qPCR检测方法。

IF 7.9 2区农林科学

Veterinary Quarterly Pub Date : 2025-12-01 Epub Date: 2025-01-30 DOI: 10.1080/01652176.2025.2454473

Hao Wang, Xiamei Kang, Longhai Yu, Haijian Wang, Anja Müller, Corinna Kehrenberg, Yan Li, Min Yue

{"title":"Developing a novel TaqMan qPCR assay for optimizing Salmonella Pullorum detection in chickens.","authors":"Hao Wang, Xiamei Kang, Longhai Yu, Haijian Wang, Anja Müller, Corinna Kehrenberg, Yan Li, Min Yue","doi":"10.1080/01652176.2025.2454473","DOIUrl":"10.1080/01652176.2025.2454473","url":null,"abstract":"Salmonella Pullorum, the causative agent of pullorum disease, posing a significant threat to the global production of poultry meat and eggs. However, existing detection methods have substantial limitations in efficiency and accuracy. Herein, we developed a genomic deletion-targeted TaqMan qPCR assay for identification of Salmonella Pullorum, enabling precise differentiation from other Salmonella serovars. The assay's detection limit was 5 copies/μL of plasmid and 4 CFU/μL of bacterial DNA. Furthermore, we collected 676 chicken samples from an established infection model to compare the performance of the TaqMan qPCR assay with traditional bacterial culturing and antibody-based detection approaches. With superior sensitivity and specificity, the newly developed method detected over 80% of positive chickens, significantly outperforming the two conventional methods. Moreover, we proposed a combined framework that incorporates the advantages of TaqMan qPCR assay and antibody detection method, further enhancing the detection rate of positives to 92%. Additionally, to address the frequent aerosol contamination of amplification products in laboratory settings, we devised an easy-to-deploy anti-contamination system based on T7 exonuclease. Overall, the T7 exonuclease-assisted TaqMan qPCR assay will not only upgrade the current detection for pullorum disease, but also exemplify the feasibility of targeting specific genomic deletions for pathogen detection.","PeriodicalId":51207,"journal":{"name":"Veterinary Quarterly","volume":"45 1","pages":"1-13"},"PeriodicalIF":7.9,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11784030/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143068667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

METTL14 and WTAP play a crucial role in the regulation of bovine preadipocyte differentiation. METTL14和WTAP在牛前脂肪细胞的分化调控中起重要作用。

IF 1.7 3区农林科学

Animal Biotechnology Pub Date : 2025-12-01 Epub Date: 2025-03-17 DOI: 10.1080/10495398.2025.2476531

Jia Liu, Chicheng Ma, Yu Cheng, Minzhi Wang, Guoqing Zhao, Liwei Huang, Ruigao Song, Xi Wang, Hongxia Li

引用次数: 0

Understanding zoonotic pathogens and risk factors from wildlife in Southeast Asia: a systematic literature review. 了解东南亚野生动物的人畜共患病病原体和危险因素：系统的文献综述。

IF 7.9 2区农林科学

Veterinary Quarterly Pub Date : 2025-12-01 Epub Date: 2025-03-10 DOI: 10.1080/01652176.2025.2475990

Ha Thi Thanh Nguyen, Johanna F Lindahl, Bernard Bett, Hung Nguyen-Viet, Steven Lâm, Thang Nguyen-Tien, Fred Unger, Sinh Dang-Xuan, Thanh Xuan Bui, Hien Thanh Le, Åke Lundkvist, Jiaxin Ling, Hu Suk Lee

{"title":"Understanding zoonotic pathogens and risk factors from wildlife in Southeast Asia: a systematic literature review.","authors":"Ha Thi Thanh Nguyen, Johanna F Lindahl, Bernard Bett, Hung Nguyen-Viet, Steven Lâm, Thang Nguyen-Tien, Fred Unger, Sinh Dang-Xuan, Thanh Xuan Bui, Hien Thanh Le, Åke Lundkvist, Jiaxin Ling, Hu Suk Lee","doi":"10.1080/01652176.2025.2475990","DOIUrl":"10.1080/01652176.2025.2475990","url":null,"abstract":"The COVID-19 pandemic has demonstrated the significance of the human-animal interface in the emergence of zoonotic diseases, with wildlife serving as an important source of infection. A better understanding of the specific pathogens and mechanisms involved is vital to prepare against future outbreaks, especially in Southeast Asia, a hotspot for zoonotic diseases. This paper reviews the published literature on wildlife zoonoses in this region from 2012 to 2022. The results show a diverse range of potential zoonotic pathogens and the widespread occurrence of zoonotic diseases from wildlife. Drivers of zoonotic pathogen spillover include (i) environmental factors (e.g. animal habitat disruption, environmental conditions, exposure to contaminated water/food/soil), (ii) animal factors (e.g. movement patterns, age-related susceptibility), (iii) human factors (e.g. lack of awareness, poor hygiene practices, age, gender and income) and (iv) human-animal-environmental interface factors (e.g. close contact between humans and animals, exposure through visiting animals and presence of vectors). The diverse drivers of zoonoses in Southeast Asia put its communities at risk for infection. To mitigate these risks, global health efforts should consider adopting a One Health approach to foster collaboration across human, animal, and wildlife health sectors. This could involve educating communities on safe animal interactions and improving disease surveillance.","PeriodicalId":51207,"journal":{"name":"Veterinary Quarterly","volume":"45 1","pages":"1-17"},"PeriodicalIF":7.9,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11894755/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143587964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Identification of candidate genes affecting egg weight trait of Putian Black duck based on whole genome resequencing. 基于全基因组重测序的莆田黑鸭蛋重性状候选基因鉴定

IF 1.7 3区农林科学

Animal Biotechnology Pub Date : 2025-12-01 Epub Date: 2025-05-17 DOI: 10.1080/10495398.2025.2503754

Yinhua Yang, Weilong Lin, Huihuang Li, Fan Yang, Xinguo Bao, Chengfu Pan, Lianjie Lai, Weimin Lin, Ruiyi Lin

{"title":"Identification of candidate genes affecting egg weight trait of Putian Black duck based on whole genome resequencing.","authors":"Yinhua Yang, Weilong Lin, Huihuang Li, Fan Yang, Xinguo Bao, Chengfu Pan, Lianjie Lai, Weimin Lin, Ruiyi Lin","doi":"10.1080/10495398.2025.2503754","DOIUrl":"https://doi.org/10.1080/10495398.2025.2503754","url":null,"abstract":"Egg weight is a primary economic trait in poultry breeding. Putian Black duck, an excellent local laying duck breed in Fujian Province, includes two different strains, black feather strain and white feather strain. The white feather strain of Putian Black duck is also known as Putian White duck. Except for the different feather colors, these two strains differ in egg weight. In this study, whole-genome resequencing was conducted on Putian Black duck and Putian White duck to explore the differences in the genetic mechanism of egg weight. LRP8, VLDLR, and LPL were identified as key candidate genes affecting egg weight. Mass spectrometry was used to detect the SNPs of LRP8, VLDLR, and LPL. Result indicates that the SNPs of LRP8, VLDLR, and LPL in both populations exhibited moderate polymorphism, and Putian Black duck possessed higher genetic variation and potential selectivity. Association analysis indicated that in Putian Black duck, four SNPs in the LRP8 gene were significantly associated with egg weight. These loci can be used as molecular markers for improving egg weight in Putian Black duck.","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"36 1","pages":"2503754"},"PeriodicalIF":1.7,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144085692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-intensity zones in dogs with lumbosacral intervertebral disc degeneration: insights from MRI and histopathological findings. 腰骶椎间盘退变犬的高强度区：来自MRI和组织病理学结果的见解。

IF 7.9 2区农林科学

Veterinary Quarterly Pub Date : 2025-12-01 Epub Date: 2025-04-07 DOI: 10.1080/01652176.2025.2486765

S Amir Kamali, Michelle Teunissen, Dirk Hendrik Nicolaas van den Broek, Elisabeth M Burgers, Guy C M Grinwis, Keita Ito, Marianna A Tryfonidou, Björn P Meij

{"title":"High-intensity zones in dogs with lumbosacral intervertebral disc degeneration: insights from MRI and histopathological findings.","authors":"S Amir Kamali, Michelle Teunissen, Dirk Hendrik Nicolaas van den Broek, Elisabeth M Burgers, Guy C M Grinwis, Keita Ito, Marianna A Tryfonidou, Björn P Meij","doi":"10.1080/01652176.2025.2486765","DOIUrl":"10.1080/01652176.2025.2486765","url":null,"abstract":"The diagnosis and management of lumbosacral pain in dogs is challenging, requiring thorough examination, with MRI playing a crucial diagnostic role. This retrospective study investigates the presence of high-intensity zones (HIZ) in the dorsal annulus fibrosus (AF) of the lumbosacral region on MRI and describes the corresponding histopathological features in dogs with intervertebral disc (IVD) degeneration. T2-weighted (T2W) and T1-weighted (T1W) sagittal MRI scans were evaluated using a classification system developed in human medicine to analyze HIZ characteristics. Among 836 dogs with IVD degeneration, 57 (6.8%) exhibited T2W HIZ, with a median age of 7 years and median weight of 33.7 kg. All cases with HIZ consistently exhibited radiological degenerative lumbosacral stenosis. The most common T2W HIZ shape was round (43%), while 14% of lesions also appeared hyperintense on T1W. Histopathological analysis of 11 dorsal AF samples collected during standard-of-care decompressive surgery revealed two patterns: reactive cystic structures (3/11) and granulation tissue (8/11), with differential MRI presentation. This is the first study to document HIZ in the lumbosacral level of dogs with IVD degeneration. With this recognition, prospective analyses and their correlation with clinical presentations will be essential in determining the role and prognostic significance of HIZ.","PeriodicalId":51207,"journal":{"name":"Veterinary Quarterly","volume":"45 1","pages":"1-13"},"PeriodicalIF":7.9,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980243/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143796392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Production of immune receptor knockout chickens via direct in vivo transfection of primordial germ cells. 通过直接在体内转染原始生殖细胞生产免疫受体敲除鸡。

IF 1.7 3区农林科学

Animal Biotechnology Pub Date : 2025-12-01 Epub Date: 2025-06-26 DOI: 10.1080/10495398.2025.2523027

Kristie Jenkins, Daniel Layton, Tamara Gough, Terri O'Neil, Luis Malaver Otega, Ketan Mishra, Kerri Bruce, Kirsten Morris, Terry Wise, Arjun Challagulla, Tim Doran, Andrew Bean

{"title":"Production of immune receptor knockout chickens via direct in vivo transfection of primordial germ cells.","authors":"Kristie Jenkins, Daniel Layton, Tamara Gough, Terri O'Neil, Luis Malaver Otega, Ketan Mishra, Kerri Bruce, Kirsten Morris, Terry Wise, Arjun Challagulla, Tim Doran, Andrew Bean","doi":"10.1080/10495398.2025.2523027","DOIUrl":"https://doi.org/10.1080/10495398.2025.2523027","url":null,"abstract":"The advancement of genetic engineering in chickens has enabled significant advancement in developmental biology, bioreactors, and disease resilience. The development of CRISPR/Cas9 genome engineering technology has further expanded the potential applications of genetic engineering in poultry. In this study we aimed to evaluate the efficacy of a direct in vivo transfection method, previously demonstrated to produce transgenic chickens, in generating gene knockout (KO) chickens. Specifically, we targeted the Interferon-α/β Receptor 1 (IFNAR1) and Interleukin 1 receptor, type I (IL1R1), both critical pathways in the inflammatory and antiviral responses. We designed guide RNAs targeting the genes and validated their efficiency in vivo via microinjection into the developing embryos. PCR analysis confirmed the presence of gene deletions in chimeric roosters, which were subsequently bred to produce G1 germline heterozygote KO offspring. Homozygous KO chickens were generated and subjected to phenotypic and functional analyses. Our results demonstrated successful generation of functional knockouts of both IFNAR1 and IL1R1 using a direct in vivo transfection. Overall, this study demonstrates that direct in vivo transfection provides a robust and predictable method for generating KO chickens, facilitating further research into avian immune responses and the development of antiviral strategies.","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"36 1","pages":"2523027"},"PeriodicalIF":1.7,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144493473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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