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Marelli SP, Zaniboni L, Madeddu M, Strillacci MG, Cerolini S. Breeders management and reproductive traits in three heritage rabbit ( Oryctolagus cuniculus) breeds: a preliminary study. Italian Journal of Animal Science 2023. [DOI: 10.1080/1828051x.2022.2154174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Stefano Paolo Marelli
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Lodi, Italy
| | - Luisa Zaniboni
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Lodi, Italy
| | - Manuela Madeddu
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Lodi, Italy
| | | | - Silvia Cerolini
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Lodi, Italy
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Strillacci MG, Punturiero C, Milanesi R, Bernini F, Mason T, Bagnato A. Antibiotic treatments and somatic cell count as phenotype to map QTL for mastitis susceptibility in Holstein cattle breed. Italian Journal of Animal Science 2023. [DOI: 10.1080/1828051x.2023.2175498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Affiliation(s)
| | - Chiara Punturiero
- Department of Veterinary Medicine and Animal Science, Università degli Studi di Milano, Lodi, Italy
| | - Raffaella Milanesi
- Department of Veterinary Medicine and Animal Science, Università degli Studi di Milano, Lodi, Italy
| | - Francesca Bernini
- Department of Veterinary Medicine and Animal Science, Università degli Studi di Milano, Lodi, Italy
| | - Tiziano Mason
- Department of Veterinary Medicine and Animal Science, Università degli Studi di Milano, Lodi, Italy
| | - Alessandro Bagnato
- Department of Veterinary Medicine and Animal Science, Università degli Studi di Milano, Lodi, Italy
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Namous H, Strillacci MG, Braz CU, Shanmuganayagam D, Krueger C, Peppas A, Soffregen WC, Reed J, Granada JF, Khatib H. ITGB2 is a central hub-gene associated with inflammation and early fibro-atheroma development in a swine model of atherosclerosis. Atheroscler Plus 2023; 54:30-41. [PMID: 38116576 PMCID: PMC10728570 DOI: 10.1016/j.athplu.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 09/14/2023] [Accepted: 11/09/2023] [Indexed: 12/21/2023]
Abstract
Background and aim The complex dynamic interplay between different biological pathways involved in atherosclerosis development has rendered the identification of specific therapeutic targets a challenging quest. We aimed to identify specific genes and mechanistic pathways associated with the early development of fibro-atheromas in a swine model of atherosclerosis. Methods The Wisconsin Miniature Swine™ model of Familial Hypercholesterolemia (WMS-FH, n = 11) and genetically related WMS controls (WMS-N, n = 11) were used. The infrarenal aorta was harvested from both groups for histopathologic and transcriptomic profiling at 12 months. Bioinformatic analysis was performed to identify hub genes and pathways central to disease pathophysiology. The expression of ITGB2, the top ranked hub gene, was manipulated in cell culture and the expression of interconnected genes was tested. Results Fibro-atheromatous lesions were documented in all WMS-FH aortic tissues and displayed internal elastic lamina (IEL) disruption, significant reduction of myofibroblast presence and disorganized collagen deposition. No fibro-atheromas were observed in the control group. A total of 266 differentially expressed genes (DEGs) were upregulated in WMS-FH aortic tissues, while 29 genes were downregulated. Top identified hub genes included ITGB2, C1QA, LCP2, SPI1, CSF1R, C5AR1, CTSS, MPEG1, C1QC, and CSF2RB. Overexpression of ITGB2 resulted in elevated expression of other interconnected genes expressed in porcine endothelial cells. Conclusion In a swine translational model of atherosclerosis, transcriptomic analysis identified ITGB2 as a central hub gene associated inflammation and early fibroatheroma development making it a potential therapeutic target at this stage of disease.
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Affiliation(s)
- Hadjer Namous
- Department of Animal and Dairy Sciences – University of Wisconsin Madison, WI, USA
| | | | - Camila Urbano Braz
- Department of Animal and Dairy Sciences – University of Wisconsin Madison, WI, USA
| | | | - Christian Krueger
- Department of Animal and Dairy Sciences – University of Wisconsin Madison, WI, USA
| | - Athanasios Peppas
- Skirball Center for Innovation, Cardiovascular Research Foundation, New York, NY, USA
| | - William C. Soffregen
- Northstar Preclinical and Pathology Services, LLC and Skirball Center for Innovation, Cardiovascular Research Foundation, New York, NY, USA
| | - Jess Reed
- Department of Animal and Dairy Sciences – University of Wisconsin Madison, WI, USA
| | - Juan F. Granada
- Skirball Center for Innovation, Cardiovascular Research Foundation, New York, NY, USA
| | - Hasan Khatib
- Department of Animal and Dairy Sciences – University of Wisconsin Madison, WI, USA
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Giovannini S, Strillacci MG, Bagnato A, Albertini E, Sarti FM. Genetic and Phenotypic Characteristics of Belted Pig Breeds: A Review. Animals (Basel) 2023; 13:3072. [PMID: 37835678 PMCID: PMC10571877 DOI: 10.3390/ani13193072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Belted pig breeds have unique, distinguishing phenotypic characteristics. This review summarises the current knowledge on pig breeds displaying a belted coat pattern. Belts of different widths and positions around the animal's trunk characterise specific pig breeds from all around the world. All the breeds included in the present paper have been searched through the FAO domestic animal diversity information system (DAD-IS), Every country was checked to identify all breeds described as having black or red piebald coat pattern variations. Advances in genomic technologies have made it possible to identify the specific genes and genetic markers associated with the belted phenotype and explore the genetic relationships between different local breeds. Thus, the origin, history, and production traits of these breeds, together with all the genomic information related to the mechanism of skin pigmentation, are discussed. By increasing our understanding of these breeds, we can appreciate the richness of our biological and cultural heritage and work to preserve the biodiversity of the world's animals.
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Affiliation(s)
- Samira Giovannini
- Department of Agricultural, Food and Environmental Sciences, Università degli Studi di Perugia, Borgo XX Giugno 74, 06121 Perugia, Italy; (E.A.); (F.M.S.)
| | - Maria Giuseppina Strillacci
- Department of Veterinary and Animal Science, Università degli Studi di Milano, Via Dell’Università 6, 26900 Lodi, Italy; (M.G.S.); (A.B.)
| | - Alessandro Bagnato
- Department of Veterinary and Animal Science, Università degli Studi di Milano, Via Dell’Università 6, 26900 Lodi, Italy; (M.G.S.); (A.B.)
| | - Emidio Albertini
- Department of Agricultural, Food and Environmental Sciences, Università degli Studi di Perugia, Borgo XX Giugno 74, 06121 Perugia, Italy; (E.A.); (F.M.S.)
| | - Francesca Maria Sarti
- Department of Agricultural, Food and Environmental Sciences, Università degli Studi di Perugia, Borgo XX Giugno 74, 06121 Perugia, Italy; (E.A.); (F.M.S.)
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Shen QK, Peng MS, Adeola AC, Kui L, Duan S, Miao YW, Eltayeb NM, Lichoti JK, Otecko NO, Strillacci MG, Gorla E, Bagnato A, Charles OS, Sanke OJ, Dawuda PM, Okeyoyin AO, Musina J, Njoroge P, Agwanda B, Kusza S, Nanaei HA, Pedar R, Xu MM, Du Y, Nneji LM, Murphy RW, Wang MS, Esmailizadeh A, Dong Y, Ommeh SC, Zhang YP. Erratum to: Genomic analyses unveil helmeted guinea fowl (Numida meleagris) domestication in West Africa. Genome Biol Evol 2021; 13:6355925. [PMID: 34417609 PMCID: PMC8379371 DOI: 10.1093/gbe/evab174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Longeri M, Russo V, Strillacci MG, Perillo A, Carisetti M, Cozzi MC, Neola B, Roperto S. Association Between BoLA-DRB3.2 Polymorphism and Bovine Papillomavirus Infection for Bladder Tumor Risk in Podolica Cattle. Front Vet Sci 2021; 8:630089. [PMID: 34179154 PMCID: PMC8219868 DOI: 10.3389/fvets.2021.630089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 04/21/2021] [Indexed: 01/06/2023] Open
Abstract
Blood samples from 260 unrelated cattle (132 animals affected by papillomavirus-associated bladder tumors and 128 healthy) were genotyped using the classic polymerase chain reaction/restriction fragment length polymorphism method to screen MHC class II bovine leukocyte antigen-DRB3. 2 polymorphism. The DRB3*22 allele was significantly (p ≤ 0.01) detected in healthy cattle, thus appearing to have a negative association (protective effect) with virus infection of the urinary bladder known to represent a bladder tumor risk for cattle living free at pasture. Considering the two sequence alleles identified in animals carrying DRB3*22, DRB3*011:01 allele from samples of animals harboring the unexpressed bovine papillomaviruses (BPV)-2 E5 gene was characterized by amino acid residues believed to have a protective effect against BPV infection such as arginine at position 71 (R71) in pocket 4, histidine at position 11 (H11) in pocket 6, and both glutamine at position 9 (Q9) and serine at position 57 (S57) in pocket 9 of the antigen-binding groove. The DRB3*011:02v allele from affected animals was characterized by amino acids believed to be susceptibility residues such as lysine (K71), tyrosine (Y11), glutamic acid (E9), and aspartic acid (D57) in these pockets. These results suggest that animals harboring the DRB3*011:01 allele may have a lower risk of BPV infection and, consequently, a reduced risk of bladder tumors.
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Affiliation(s)
- Maria Longeri
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Lodi, Italy
| | - Valeria Russo
- Dipartimento di Medicina Veterinaria e delle Produzioni Animali, Università degli Studi di Napoli Federico II, Naples, Italy
| | | | - Antonella Perillo
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari, Bari, Italy
| | - Michela Carisetti
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Lodi, Italy
| | - Maria Cristina Cozzi
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Lodi, Italy
| | - Benedetto Neola
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, Naples, Italy
| | - Sante Roperto
- Dipartimento di Medicina Veterinaria e delle Produzioni Animali, Università degli Studi di Napoli Federico II, Naples, Italy
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Shen QK, Peng MS, Adeola AC, Kui L, Duan S, Miao YW, Eltayeb NM, Lichoti JK, Otecko NO, Strillacci MG, Gorla E, Bagnato A, Charles OS, Sanke OJ, Dawuda PM, Okeyoyin AO, Musina J, Njoroge P, Agwanda B, Kusza S, Nanaei HA, Pedar R, Xu MM, Du Y, Nneji LM, Murphy RW, Wang MS, Esmailizadeh A, Dong Y, Ommeh SC, Zhang YP. Genomic Analyses of Unveil Helmeted Guinea Fowl (Numida meleagris) Domestication in West Africa. Genome Biol Evol 2021; 13:6261762. [PMID: 34009300 PMCID: PMC8214406 DOI: 10.1093/gbe/evab090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2021] [Indexed: 12/22/2022] Open
Abstract
Domestication of the helmeted guinea fowl (HGF; Numida meleagris) in Africa remains elusive. Here we report a high-quality de novo genome assembly for domestic HGF generated by long- and short-reads sequencing together with optical and chromatin interaction mapping. Using this assembly as the reference, we performed population genomic analyses for newly sequenced whole-genomes for 129 birds from Africa, Asia, and Europe, including domestic animals (n = 89), wild progenitors (n = 34), and their closely related wild species (n = 6). Our results reveal domestication of HGF in West Africa around 1,300-5,500 years ago. Scanning for selective signals characterized the functional genes in behavior and locomotion changes involved in domestication of HGF. The pleiotropy and linkage in genes affecting plumage color and fertility were revealed in the recent breeding of Italian domestic HGF. In addition to presenting a missing piece to the jigsaw puzzle of domestication in poultry, our study provides valuable genetic resources for researchers and breeders to improve production in this species.
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Affiliation(s)
- Quan-Kuan Shen
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - Min-Sheng Peng
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - Adeniyi C Adeola
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya.,Centre for Biotechnology Research, Bayero University, Kano, Nigeria
| | - Ling Kui
- Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Yong-Wang Miao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Nada M Eltayeb
- Department of Animal breeding and Reproduction Technology, College of Animal Production, University of Bahri, Khartoum, Sudan
| | - Jacqueline K Lichoti
- State Department of Livestock, Ministry of Agriculture Livestock Fisheries and Irrigation, Nairobi, Kenya
| | - Newton O Otecko
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | | | - Erica Gorla
- Department of Veterinary Medicine, Università degli Studi di Milano, Italy
| | - Alessandro Bagnato
- Department of Veterinary Medicine, Università degli Studi di Milano, Italy
| | | | - Oscar J Sanke
- Taraba State Ministry of Agriculture and Natural Resources, Jalingo, Nigeria
| | - Philip M Dawuda
- Department of Veterinary Surgery and Theriogenology, College of Veterinary Medicine, University of Agriculture, Makurdi, Nigeria
| | - Agboola O Okeyoyin
- National Park Service Headquarter, Federal Capital Territory, Abuja, Nigeria
| | - John Musina
- Department of Zoology, National Museums of Kenya, Nairobi, Kenya
| | - Peter Njoroge
- Department of Zoology, National Museums of Kenya, Nairobi, Kenya
| | - Bernard Agwanda
- Department of Zoology, National Museums of Kenya, Nairobi, Kenya
| | - Szilvia Kusza
- Centre for Agricultural Genomics and Biotechnology, University of Debrecen, Debrecen, Hungary
| | | | - Rana Pedar
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Iran
| | - Ming-Min Xu
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - Yuan Du
- Nowbio Biotechnology Company, Kunming, China
| | - Lotanna M Nneji
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya
| | - Robert W Murphy
- Centre for Biodiversity and Conservation Biology, Royal Ontario Museum, Toronto, Ontario, Canada
| | - Ming-Shan Wang
- Howard Hughes Medical Institute, University of California Santa Cruz, California, USA.,Department of Ecology and Evolutionary Biology, University of California Santa Cruz, California, USA
| | - Ali Esmailizadeh
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Iran
| | - Yang Dong
- College of Biological Big Data, Yunnan Agriculture University, Kunming, China.,State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China.,Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Sheila C Ommeh
- Department of Zoology, National Museums of Kenya, Nairobi, Kenya.,Institute of Biotechnology Research, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
| | - Ya-Ping Zhang
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Sino-Africa Joint Research Center, Chinese Academy of Sciences, Nairobi, Kenya.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China.,State Key Laboratory for Conservation and Utilization of Bio-Resource in Yunnan, Yunnan University, Kunming, China.,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China
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Strillacci MG, Vevey M, Blanchet V, Mantovani R, Sartori C, Bagnato A. The Genomic Variation in the Aosta Cattle Breeds Raised in an Extensive Alpine Farming System. Animals (Basel) 2020; 10:ani10122385. [PMID: 33322839 PMCID: PMC7764440 DOI: 10.3390/ani10122385] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/07/2020] [Accepted: 12/10/2020] [Indexed: 12/28/2022] Open
Abstract
The Aosta Red Pied (Valdostana Pezzata Rossa (VRP)), the Aosta Black Pied (Valdostana Pezzata Nera (VBP)) and the Aosta Chestnut (Valdostana Castana (CAS)) are dual-purpose cattle breeds (meat and milk), very well adapted to the harsh environmental conditions of alpine territories: their farming is in fact characterized by summer pasture at very high altitude. A total of 728 individuals were genotyped with the GeenSeek Genomic Profiler® (GGP) Bovine 150K Illumina SNP chip as a part of the DUALBREEDING-PSRN Italian-funded research project. The genetic diversity among populations showed that the three breeds are distinct populations based on the FST values, ADMIXTURE and Principal Component Analysis (PCA) results. Runs of Homozygosity (ROH) were obtained for the three populations to disclose recent autozygosity. The genomic inbreeding based on the ROH was calculated and coupled with information derived from the F (inbreeding coefficient) and FST parameters. The mean FROH values were low: CAS = 0.06, VBP = 0.05 and VRP = 0.07, while the average F values were -0.003, -0.01 and -0.003, respectively. The annotation and enrichment analysis, performed in the identified most frequent ROH (TOP_ROH), showed genes that can be linked to the resilience capacity of these populations to harsh environmental farming conditions, and to the peculiar characteristics searched for by farmers in each breed.
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Affiliation(s)
- Maria Giuseppina Strillacci
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 20133 Milano, Italy;
| | - Mario Vevey
- Associazione Nazionale Bovini di Razza Valdostana, Fraz. Favret, 5, 11020 Gressan, Italy; (M.V.); (V.B.)
| | - Veruska Blanchet
- Associazione Nazionale Bovini di Razza Valdostana, Fraz. Favret, 5, 11020 Gressan, Italy; (M.V.); (V.B.)
| | - Roberto Mantovani
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), Università degli Studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy; (R.M.); (C.S.)
| | - Cristina Sartori
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), Università degli Studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy; (R.M.); (C.S.)
| | - Alessandro Bagnato
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 20133 Milano, Italy;
- Correspondence: ; Tel.: +39-02-5033-4583
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Marelli SP, Zaniboni L, Madeddu M, Abdel Sayed A, Strillacci MG, Mangiagalli MG, Cerolini S. Physical Parameters and Fatty Acids Profiles in Milanino, Mericanel Della Brianza, Valdarnese Bianca and Commercial Hybrids ( Gallus Gallus Domesticus) Table Eggs. Animals (Basel) 2020; 10:ani10091533. [PMID: 32878064 PMCID: PMC7552132 DOI: 10.3390/ani10091533] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/27/2020] [Accepted: 08/29/2020] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Conservation of traditional poultry breeds is closely linked to product valorization considering the renewed interest in local poultry breeds production and consumers’ orientation towards food items considered healthier and safer. The aim of the present research is to investigate the differences in egg physical parameters and fatty acid profile of three traditional chicken breeds (Mericanel della Brianza, Milanino and Valdarnese Bianca) and two commercial hybrids using marked-procured eggs. We evaluated the effects of the breeds and of the genetic origin (traditional breed or hybrid strain) on egg physical and chemical parameters, furthermore we analyzed the most influencing parameters and their effects on egg groups differentiation via Principal Component Analysis (PCA). Eggs produced by traditional breeds differentiate from eggs produced by commercial hybrids in physical and fatty acids parameters. The nutritional value of eggs obtained from traditional breeds has been demonstrated to be higher considering the yolk content, the Polyunsatured Fatty Acids - PUFA fraction, the n6/n3 ratio and the atherogenic and thrombogenic indexes. Commercial layers’ eggs revealed their higher commercial value based on weight, albumen content and percentage of edible content. Abstract The aim of the present study is to investigate the physical parameters and fatty acid composition and related nutritional parameters of market-procured table eggs from Milanino, Mericanel della Brianza and Valdarnese Bianca hens compared to two commercial hybrid strains’ eggs to determine characterizing quality traits for traditional breeds conservation and valorization through high quality niche products. Fifty-four market eggs by three traditional breeds (Mericanel della Brianza—MRC; Milanino—MLN; and Valdarnese Bianca—VLD) and two commercial hybrid strains (Commercial Hybrid Brown—CHB; Commercial Hybrid White—CHW) have been analyzed—physical parameters, fatty acids profile and atherogenic and thrombogenic indexes were investigated. A General Linear Model—GLM was applied to data analysis with breed and genetic origin (traditional breed—TRD; commercial hybrid—HYB) as sources of variation. Two Principal Component Analyses (PCA) were carried out with physical parameters and fatty acid parameters as variables. Eggs produced by traditional breeds MRC MLN and VLD differentiate from eggs produced by commercial hybrids CHB and CHW in physical and chemical parameters (fatty acids parameters). The nutritional value of the traditional eggs has been demonstrated to be higher considering the yolk content, the PUFA fraction, the more favorable n6/n3 ratio and the atherogenic and thrombogenic indexes. Commercial layers’ eggs revealed their higher commercial value based on weight, albumen content and percentage of edible content.
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Affiliation(s)
- Stefano Paolo Marelli
- Department of Veterinary Medicine, University of Milan, via dell’Università 6, 26900 Lodi LO, Italy; (L.Z.); (A.A.S.); (M.G.S.); (M.G.M.); (S.C.)
- Correspondence:
| | - Luisa Zaniboni
- Department of Veterinary Medicine, University of Milan, via dell’Università 6, 26900 Lodi LO, Italy; (L.Z.); (A.A.S.); (M.G.S.); (M.G.M.); (S.C.)
| | | | - Ahmad Abdel Sayed
- Department of Veterinary Medicine, University of Milan, via dell’Università 6, 26900 Lodi LO, Italy; (L.Z.); (A.A.S.); (M.G.S.); (M.G.M.); (S.C.)
| | - Maria Giuseppina Strillacci
- Department of Veterinary Medicine, University of Milan, via dell’Università 6, 26900 Lodi LO, Italy; (L.Z.); (A.A.S.); (M.G.S.); (M.G.M.); (S.C.)
| | - Maria Grazia Mangiagalli
- Department of Veterinary Medicine, University of Milan, via dell’Università 6, 26900 Lodi LO, Italy; (L.Z.); (A.A.S.); (M.G.S.); (M.G.M.); (S.C.)
| | - Silvia Cerolini
- Department of Veterinary Medicine, University of Milan, via dell’Università 6, 26900 Lodi LO, Italy; (L.Z.); (A.A.S.); (M.G.S.); (M.G.M.); (S.C.)
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Strillacci MG, Marelli SP, Martinez-Velazquez G. Hybrid Versus Autochthonous Turkey Populations: Homozygous Genomic Regions Occurrences Due to Artificial and Natural Selection. Animals (Basel) 2020; 10:ani10081318. [PMID: 32751760 PMCID: PMC7460020 DOI: 10.3390/ani10081318] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 12/28/2022] Open
Abstract
Simple Summary In this study we investigate the genomic differentiation of traditional Mexican turkey breeds and commercial hybrid strains. The analysis aimed to identify the effects of different types of selection on the birds’ genome structure. Mexican turkeys are characterized by an adaptive selection to their specific original environment; on the other hand, commercial hybrid strains are directionally selected to maximize productive traits and to reduce production costs. The Mexican turkeys were grouped in two geographic subpopulations, while high genomic homogeneity was found in hybrid birds. Traditional breeds and commercial strains are clearly differentiated from a genetic point of view. Inbreeding coefficients were here calculated with different approaches. A clear effect of selection for productive traits was recorded. Abstract The Mexican turkey population is considered to be the descendant of the original domesticated wild turkey and it is distinct from hybrid strains obtained by the intense artificial selection activity that has occurred during the last 40 years. In this study 30 Mexican turkeys were genomically compared to 38 commercial hybrids using 327,342 SNP markers in order to elucidate the differences in genome variability resulting from different types of selection, i.e., only adaptive for Mexican turkey, and strongly directional for hybrids. Runs of homozygosity (ROH) were detected and the two inbreeding coefficients (F and FROH) based on genomic information were calculated. Principal component and admixture analyses revealed two different clusters for Mexican turkeys (MEX_cl_1 and MEX_cl_2) showing genetic differentiation from hybrids (HYB) (FST equal 0.168 and 0.167, respectively). A total of 3602 ROH were found in the genome of the all turkeys populations. ROH resulted mainly short in length and the ROH_island identified in HYB (n = 9), MEX_cl_1 (n = 1), and MEX_cl_2 (n = 2) include annotated genes related to production traits: abdominal fat (percentage and weight) and egg characteristics (egg shell color and yolk weight). F and FROH resulted correlated to each other only for Mexican populations. Mexican turkey genomic variability allows us to separate the birds into two subgroups according to the geographical origin of samples, while the genomic homogeneity of hybrid birds reflected the strong directional selection occurring in this population.
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Affiliation(s)
- Maria Giuseppina Strillacci
- Department of Veterinary Medicine, University of Milan, Via Festa del Perdono, 7, 20122 Milano, Italy;
- Correspondence: ; Tel.: +39-025-033-4582
| | - Stefano Paolo Marelli
- Department of Veterinary Medicine, University of Milan, Via Festa del Perdono, 7, 20122 Milano, Italy;
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Boccardo A, Marelli SP, Pravettoni D, Bagnato A, Busca GA, Strillacci MG. The German Shorthair Pointer Dog Breed ( Canis lupus familiaris): Genomic Inbreeding and Variability. Animals (Basel) 2020; 10:ani10030498. [PMID: 32192001 PMCID: PMC7143860 DOI: 10.3390/ani10030498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 03/11/2020] [Accepted: 03/13/2020] [Indexed: 12/22/2022] Open
Abstract
The German Shorthaired Pointer (GSHP) is a breed worldwide known for its hunting versatility. Dogs of this breed are appreciated as valuable companions, effective trackers, field trailers and obedience athletes. The aim of the present work is to describe the genomic architecture of the GSHP breed and to analyze inbreeding levels under a genomic and a genealogic perspective. A total of 34 samples were collected (24 Italian, 10 USA), and the genomic and pedigree coefficients of inbreeding have been calculated. A total of 3183 runs of homozygosity (ROH) across all 34 dogs have been identified. The minimum and maximum number of Single Nucleotide Polymorphisms (SNPs) defining all ROH are 40 and 3060. The mean number of ROH for the sample was 93.6. ROH were found on all chromosomes. A total of 854 SNPs (TOP_SNPs) defined 11 ROH island regions (TOP_ROH), in which some gene already associated with behavioral and morphological canine traits was annotated. The proportion of averaged observed homozygotes estimated on total number of SNPs was 0.70. The genomic inbreeding coefficient based on ROH was 0.17. The mean inbreeding based on genealogical information resulted 0.023. The results describe a low inbred population with quite a good level of genetic variability.
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Affiliation(s)
- Antonio Boccardo
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (S.P.M.); (D.P.)
| | - Stefano Paolo Marelli
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (S.P.M.); (D.P.)
| | - Davide Pravettoni
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (S.P.M.); (D.P.)
| | - Alessandro Bagnato
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (S.P.M.); (D.P.)
| | - Giuseppe Achille Busca
- Centro Clinico-Veterinario e Zootecnico-Sperimentale, Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy;
| | - Maria Giuseppina Strillacci
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell’Università 6, 26900 Lodi, Italy (S.P.M.); (D.P.)
- Correspondence: ; Tel.: +39-02-50334582
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Gross N, Strillacci MG, Peñagaricano F, Khatib H. Characterization and functional roles of paternal RNAs in 2-4 cell bovine embryos. Sci Rep 2019; 9:20347. [PMID: 31889064 PMCID: PMC6937301 DOI: 10.1038/s41598-019-55868-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 12/03/2019] [Indexed: 12/26/2022] Open
Abstract
Embryos utilize oocyte-donated RNAs until they become capable of producing RNAs through embryonic genome activation (EGA). The sperm's influence over pre-EGA RNA content of embryos remains unknown. Recent studies have revealed that sperm donate non-genomic components upon fertilization. Thus, sperm may also contribute to RNA presence in pre-EGA embryos. The first objective of this study was to investigate whether male fertility status is associated with the RNAs present in the bovine embryo prior to EGA. A total of 65 RNAs were found to be differentially expressed between 2-4 cell bovine embryos derived from high and low fertility sires. Expression patterns were confirmed for protein phosphatase 1 regulatory subunit 36 (PPP1R36) and ataxin 2 like (ATXN2L) in three new biological replicates. The knockdown of ATXN2L led to a 22.9% increase in blastocyst development. The second objective of this study was to characterize the parental origin of RNAs present in pre-EGA embryos. Results revealed 472 sperm-derived RNAs, 2575 oocyte-derived RNAs, 2675 RNAs derived from both sperm and oocytes, and 663 embryo-exclusive RNAs. This study uncovers an association of male fertility with developmentally impactful RNAs in 2-4 cell embryos. This study also provides an initial characterization of paternally-contributed RNAs to pre-EGA embryos. Furthermore, a subset of 2-4 cell embryo-specific RNAs was identified.
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Affiliation(s)
- Nicole Gross
- University of Wisconsin, Department of Animal Sciences, Madison, WI, 53706, USA
| | | | | | - Hasan Khatib
- University of Wisconsin, Department of Animal Sciences, Madison, WI, 53706, USA.
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Scienski K, Ialacci A, Bagnato A, Reginelli D, Durán-Aguilar M, Giuseppina Strillacci M. Genetic variability in a Holstein population using SNP markers and their use for monitoring mating strategies. REV MEX CIENC PECU 2019. [DOI: 10.22319/rmcp.v10i3.4842] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Di Gerlando R, Sutera AM, Mastrangelo S, Tolone M, Portolano B, Sottile G, Bagnato A, Strillacci MG, Sardina MT. Genome-wide association study between CNVs and milk production traits in Valle del Belice sheep. PLoS One 2019; 14:e0215204. [PMID: 31013280 PMCID: PMC6478285 DOI: 10.1371/journal.pone.0215204] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 03/28/2019] [Indexed: 11/19/2022] Open
Abstract
Copy number variation (CNV) is a major source of genomic structural variation. The aim of this study was to detect genomic CNV regions (CNVR) in Valle del Belice dairy sheep population and to identify those affecting milk production traits. The GO analysis identified possible candidate genes and pathways related to the selected traits. We identified CNVs in 416 individuals genotyped using the Illumina OvineSNP50 BeadChip array. The CNV association using a correlation-trend test model was examined with the Golden Helix SVS 8.7.0 tool. Significant CNVs were detected when their adjusted p-value was <0.01 after false discovery rate (FDR) correction. We identified 7,208 CNVs, which gave 365 CNVRs after aggregating overlapping CNVs. Thirty-one CNVRs were significantly associated with one or more traits included in the analysis. All CNVRs, except those on OAR19, overlapped with quantitative trait loci (QTL), even if they were not directly related to the traits of interest. A total of 222 genes were annotated within the significantly associated CNVRs, most of which played important roles in biological processes related to milk production and health-related traits. Identification of the genes in the CNVRs associated with the studied traits will provide the basis for further investigation of their role in the metabolic pathways related to milk production and health traits.
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Affiliation(s)
- Rosalia Di Gerlando
- Università degli Studi di Palermo, Dipartimento di Scienze Agrarie, Alimentari e Forestali, Italy
| | - Anna Maria Sutera
- Università degli Studi di Palermo, Dipartimento di Scienze Agrarie, Alimentari e Forestali, Italy
| | - Salvatore Mastrangelo
- Università degli Studi di Palermo, Dipartimento di Scienze Agrarie, Alimentari e Forestali, Italy
| | - Marco Tolone
- Università degli Studi di Palermo, Dipartimento di Scienze Agrarie, Alimentari e Forestali, Italy
| | - Baldassare Portolano
- Università degli Studi di Palermo, Dipartimento di Scienze Agrarie, Alimentari e Forestali, Italy
| | - Gianluca Sottile
- Università degli Studi di Palermo, Dipartimento di Scienze Economiche, Aziendali e Statistiche, Italy
| | - Alessandro Bagnato
- Università degli Studi di Milano, Dipartimento di Medicina Veterinaria, Italy
| | | | - Maria Teresa Sardina
- Università degli Studi di Palermo, Dipartimento di Scienze Agrarie, Alimentari e Forestali, Italy
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15
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Genova F, Longeri M, Lyons LA, Bagnato A, Strillacci MG. First genome-wide CNV mapping in FELIS CATUS using next generation sequencing data. BMC Genomics 2018; 19:895. [PMID: 30526495 PMCID: PMC6288940 DOI: 10.1186/s12864-018-5297-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 11/21/2018] [Indexed: 01/09/2023] Open
Abstract
Background Copy Number Variations (CNVs) have becoming very significant variants, representing a major source of genomic variation. CNVs involvement in phenotypic expression and different diseases has been widely demonstrated in humans as well as in many domestic animals. However, genome wide investigation on these structural variations is still missing in Felis catus. The present work is the first CNV mapping from a large data set of Next Generation Sequencing (NGS) data in the domestic cat, performed within the 99 Lives Consortium. Results Reads have been mapped on the reference assembly_6.2 by Maverix Biomics. CNV detection with cn.MOPS and CNVnator detected 592 CNVs. These CNVs were used to obtain 154 CNV Regions (CNVRs) with BedTools, including 62 singletons. CNVRs covered 0.26% of the total cat genome with 129 losses, 19 gains and 6 complexes. Cluster Analysis and Principal Component Analysis of the detected CNVRs showed that breeds tend to cluster together as well as cats sharing the same geographical origins. The 46 genes identified within the CNVRs were annotated. Conclusion This study has improved the genomic characterization of 14 cat breeds and has provided CNVs information that can be used for studies of traits in cats. It can be considered a sound starting point for genomic CNVs identification in this species. Electronic supplementary material The online version of this article (10.1186/s12864-018-5297-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- F Genova
- Department of Veterinary Medicine, University of Milan, 20122, Milan, Italy
| | - M Longeri
- Department of Veterinary Medicine, University of Milan, 20122, Milan, Italy
| | - L A Lyons
- Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, Columbia, MO, 65211, USA
| | - A Bagnato
- Department of Veterinary Medicine, University of Milan, 20122, Milan, Italy
| | | | - M G Strillacci
- Department of Veterinary Medicine, University of Milan, 20122, Milan, Italy.
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Strillacci MG, Gorla E, Cozzi MC, Vevey M, Genova F, Scienski K, Longeri M, Bagnato A. A copy number variant scan in the autochthonous Valdostana Red Pied cattle breed and comparison with specialized dairy populations. PLoS One 2018; 13:e0204669. [PMID: 30261013 PMCID: PMC6160104 DOI: 10.1371/journal.pone.0204669] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 09/12/2018] [Indexed: 11/24/2022] Open
Abstract
Copy number variants (CNVs) are an important source of genomic structural variation, recognized to influence phenotypic variation in many species. Many studies have focused on identifying CNVs within and between human and livestock populations alike, but only few have explored population-genetic properties in cattle based on CNVs derived from a high-density SNP array. We report a high-resolution CNV scan using Illumina’s 777k BovineHD Beadchip for Valdostana Red Pied (VRP), an autochthonous Italian dual-purpose cattle population reared in the Alps that did not undergo strong selection for production traits. After stringent quality control and filtering, CNVs were called across 108 bulls using the PennCNV software. A total of 6,784 CNVs were identified, summarized to 1,723 CNV regions (CNVRs) on 29 autosomes covering a total of ~59 Mb of the UMD3.1 assembly. Among the mapped CNVRs, there were 812 losses, 832 gains and 79 complexes. We subsequently performed a comparison of CNVs detected in the VRP and those available from published studies in the Italian Brown Swiss (IBS) and Mexican Holstein (HOL). A total of 171 CNVRs were common to all three breeds. Between VRP and IBS, 474 regions overlapped, while only 313 overlapped between VRP and HOL, indicating a more similar genetic background among populations with common origins, i.e. the Alps. The principal component, clustering and admixture analyses showed a clear separation of the three breeds into three distinct clusters. In order to describe the distribution of CNVs within and among breeds we used the pair VST statistic, considering only the CNVRs shared to more than 5 individuals (within breed). We identified unique and highly differentiated CNVs (n = 33), some of which could be due to specific breed selection and adaptation. Genes and QTL within these regions were characterized.
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Affiliation(s)
| | - Erica Gorla
- Department of Veterinary Medicine, University of Milan, Milan, Italy
| | | | - Mario Vevey
- Associazione Nazionale Allevatori Bovini Di Razza Valdostana, Gressan, Aosta, Italy
| | - Francesca Genova
- Department of Veterinary Medicine, University of Milan, Milan, Italy
| | - Kathy Scienski
- Department of Animal Science, Texas A&M University, College Station, Texas, United States of America
| | - Maria Longeri
- Department of Veterinary Medicine, University of Milan, Milan, Italy
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Strillacci MG, Vega-Murillo VE, Román-Ponce SI, López FJR, Cozzi MC, Gorla E, Cerolini S, Bertolini F, Fontanesi L, Bagnato A. Looking at genetic structure and selection signatures of the Mexican chicken population using single nucleotide polymorphism markers. Poult Sci 2018; 97:791-802. [PMID: 29272469 DOI: 10.3382/ps/pex374] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 11/18/2017] [Indexed: 11/20/2022] Open
Abstract
Genetic variation enables both adaptive evolutionary changes and artificial selection. Genetic makeup of populations is the result of a long-term process of selection and adaptation to specific environments and ecosystems. The aim of this study was to characterize the genetic variability of México's chicken population to reveal any underlying population structure. A total of 213 chickens were sampled in different rural production units located in 25 states of México. Genotypes were obtained using the Affymetrix Axiom® 600 K Chicken Genotyping Array. The Identity by Descent (IBD) and the principal components analysis (PCA) were performed by SVS software on pruned single nucleotide polymorphisms (SNPs).ADMIXTURE analyses identified 3 ancestors and the proportion of the genetic contribution of each of them has been determined in each individual. The results of the Neighbor-Joining (NJ) analysis resulted consistent with those obtained by the PCA. All methods utilized in this study did not allow a classification of Mexican chicken in distinct clusters or groups. A total of 3,059 run of homozygosity (ROH) were identified and, being mainly short in length (<4 Mb), these regions are indicative of a low inbreeding level in the population. Finally, findings from the ROH analysis indicated the presence of natural selective pressure in the population of Mexican chicken.The study indicates that the Mexican chicken clearly appear to be a unique creole chicken population that was not subjected to a specific artificial selection. Results provide a genetic knowledge that can be used as a basis for the genetic management of a unique and very large creole population, especially in the view of using it in production of hybrids to increase the productivity and economic revenue of family farming agriculture, which is widely present in México.
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Affiliation(s)
- M G Strillacci
- Department of Veterinary Medicine, Universitá degli Studi di Milano, via Celoria 10, 20133 Milano, Italy
| | - V E Vega-Murillo
- Campo Experimental La Posta, INIFAP, km 22.5 Carretera Federal Veracruz-Córdoba, Paso del Toro, Municipio de Medellín, 94277, Veracruz, México
| | - S I Román-Ponce
- Centro Nacional de Investigación en Fisiología y Mejoramiento Animal, Instituto Nacional de Investigaciones Forestales y Agropecuarias (INIFAP), Km. 1 Carretera a Colón, Auchitlán, 76280, Querétaro, México
| | - F J Ruiz López
- Centro Nacional de Investigación en Fisiología y Mejoramiento Animal, Instituto Nacional de Investigaciones Forestales y Agropecuarias (INIFAP), Km. 1 Carretera a Colón, Auchitlán, 76280, Querétaro, México
| | - M C Cozzi
- Department of Veterinary Medicine, Universitá degli Studi di Milano, via Celoria 10, 20133 Milano, Italy
| | - E Gorla
- Department of Veterinary Medicine, Universitá degli Studi di Milano, via Celoria 10, 20133 Milano, Italy
| | - S Cerolini
- Department of Veterinary Medicine, Universitá degli Studi di Milano, via Celoria 10, 20133 Milano, Italy
| | - F Bertolini
- Department of Agricultural and Food Sciences - Division of Animal Sciences, University of Bologna, Viale Fanin 46, Bologna, Italy.,Department of Animal Science, Iowa State University, 1221 Kildee Hall, Ames, IA 50011
| | - L Fontanesi
- Department of Agricultural and Food Sciences - Division of Animal Sciences, University of Bologna, Viale Fanin 46, Bologna, Italy
| | - A Bagnato
- Department of Veterinary Medicine, Universitá degli Studi di Milano, via Celoria 10, 20133 Milano, Italy
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Vega Murillo VE, Román Ponce SI, Durán Aguilar M, Velez Iquierdo A, Cabrera Torres E, Cantú Covarrubias A, De la Cruz Colín L, Maldonado Jaquez JA, Martínez Velázquez G, Ríos Utrera Á, Bagnato A, Strillacci MG, Montaño Bermúdez M, Ruíz López FJ. Evaluación morfológica de gallinas de traspatio mexicanas (Gallus gallus domesticus). REV MEX CIENC PECU 2018. [DOI: 10.22319/rmcp.v9i2.4484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
El objetivo fue evaluar algunas características morfológicas de gallinas de traspatio (n= 255) provenientes de 65 unidades rurales de producción, localizadas en 52 municipios de 18 estados de la República Mexicana. El modelo estadístico incluyó los efectos de sexo, estado y municipio anidado en estado. El efecto de sexo fue importante para todas las variables analizadas (P<0.0001), excepto para robustez (P=0.33). El efecto de estado fue importante (P<0.0001) para todas las variables analizadas, mientras que municipio solo influyó significativamente a envergadura (P<0.0001), peso corporal (P=0.0271) y solidez (P=0.0267). Los machos tuvieron mayor (P<0.0001) longitud corporal (4.85 cm), envergadura (5.66 cm), circunferencia de la pechuga (2.94 cm), longitud del tarso (1.73 cm), peso corporal (0.65 kg) y solidez (0.99 puntos porcentuales). El peso corporal aumentó 126 g (P<0.01) en machos y 61 g en hembras (P<0.01) por cada centímetro que aumentó la circunferencia de la pechuga. El peso corporal mostró estar moderadamente correlacionado con longitud del cuerpo (r= 0.65), envergadura (r= 0.49) y longitud del tarso (r= 0.67), y altamente correlacionada con circunferencia de la pechuga (r= 0.76) en machos. La gallina de traspatio en México presentó una diferenciación morfológica importante entre machos y hembras para las características estudiadas, excepto para robustez, en la cual no se detectaron diferencias.
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Schiavo G, Strillacci MG, Ribani A, Bovo S, Roman-Ponce SI, Cerolini S, Bertolini F, Bagnato A, Fontanesi L. Few mitochondrial DNA sequences are inserted into the turkey (Meleagris gallopavo) nuclear genome: evolutionary analyses and informativity in the domestic lineage. Anim Genet 2018. [PMID: 29521475 DOI: 10.1111/age.12648] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Mitochondrial DNA (mtDNA) insertions have been detected in the nuclear genome of many eukaryotes. These sequences are pseudogenes originated by horizontal transfer of mtDNA fragments into the nuclear genome, producing nuclear DNA sequences of mitochondrial origin (numt). In this study we determined the frequency and distribution of mtDNA-originated pseudogenes in the turkey (Meleagris gallopavo) nuclear genome. The turkey reference genome (Turkey_2.01) was aligned with the reference linearized mtDNA sequence using last. A total of 32 numt sequences (corresponding to 18 numt regions derived by unique insertional events) were identified in the turkey nuclear genome (size ranging from 66 to 1415 bp; identity against the modern turkey mtDNA corresponding region ranging from 62% to 100%). Numts were distributed in nine chromosomes and in one scaffold. They derived from parts of 10 mtDNA protein-coding genes, ribosomal genes, the control region and 10 tRNA genes. Seven numt regions reported in the turkey genome were identified in orthologues positions in the Gallus gallus genome and therefore were present in the ancestral genome that in the Cretaceous originated the lineages of the modern crown Galliformes. Five recently integrated turkey numts were validated by PCR in 168 turkeys of six different domestic populations. None of the analysed numts were polymorphic (i.e. absence of the inserted sequence, as reported in numts of recent integration in other species), suggesting that the reticulate speciation model is not useful for explaining the origin of the domesticated turkey lineage.
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Affiliation(s)
- G Schiavo
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 46, 40127, Bologna, Italy
| | - M G Strillacci
- Department of Veterinary Medicine, University of Milan, Via Celoria 10, 20133, Milano, Italy
| | - A Ribani
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 46, 40127, Bologna, Italy
| | - S Bovo
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 46, 40127, Bologna, Italy.,Biocomputing Group, Department of Biological, Geological, and Environmental Sciences, University of Bologna, Via San Giacomo 9/2, 40126, Bologna, Italy
| | - S I Roman-Ponce
- Centro Nacional de Investigación en Fisiología y Mejoramiento Animal, Instituto Nacional de Investigaciones Forestales, Agricola y Pecuarias (INIFAP), Km.1 Carretera a Colón, Auchitlán, 76280, Querétaro, Mexico
| | - S Cerolini
- Department of Veterinary Medicine, University of Milan, Via Celoria 10, 20133, Milano, Italy
| | - F Bertolini
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 46, 40127, Bologna, Italy.,Department of Animal Science, Iowa State University, 2255 Kildee Hall, 50011, Ames, IA, USA
| | - A Bagnato
- Department of Veterinary Medicine, University of Milan, Via Celoria 10, 20133, Milano, Italy
| | - L Fontanesi
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 46, 40127, Bologna, Italy
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Cozzi MC, Colombo E, Zaniboni L, Madeddu M, Mosca F, Strillacci MG, Longeri M, Bagnato A, Cerolini S. Phenotypic and genetic characterization of the Italian bantam chicken breed Mericanel della Brianza. Livest Sci 2017. [DOI: 10.1016/j.livsci.2017.09.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Cozzi MC, Valiati P, Cherchi R, Gorla E, Prinsen RTMM, Longeri M, Bagnato A, Strillacci MG. Mitochondrial DNA genetic diversity in six Italian donkey breeds (Equus asinus). Mitochondrial DNA A DNA Mapp Seq Anal 2017; 29:409-418. [PMID: 28278690 DOI: 10.1080/24701394.2017.1292505] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Donkeys have played an important role in agricultural land practices and in human historical periods of recent past and, still today, are used as a working power in several world areas. The objective of this study was to identify genetic variability in six Italian donkey breeds using mtDNA D-loop. Fifteen haplotypes, grouped in three haplogroups, were identified. The genetic indices were informative and showed a high population genetic variability. The results of AMOVA analyses based on geographic structuring of Italian populations highlighted that the majority of the observed variance is due to differences among samples within breeds. Comparison among Italian haplotypes and mtDNA D-loop sequences belonging to European domestic and Ethiopian donkeys and wild asses, clearly define two clades referred to Nubian lineage. The results can be useful to complement safeguard planes for donkey breeds that are considered to extinction endangered.
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Affiliation(s)
- Maria Cristina Cozzi
- a Department of Veterinary Medicine , Università degli Studi di Milano , Milano , Italy
| | - Paolo Valiati
- a Department of Veterinary Medicine , Università degli Studi di Milano , Milano , Italy
| | - Raffaele Cherchi
- b Agenzia per la ricerca in agricoltura-AGRIS Sardegna , Sassari , Italy
| | - Erica Gorla
- a Department of Veterinary Medicine , Università degli Studi di Milano , Milano , Italy
| | | | - Maria Longeri
- a Department of Veterinary Medicine , Università degli Studi di Milano , Milano , Italy
| | - Alessandro Bagnato
- a Department of Veterinary Medicine , Università degli Studi di Milano , Milano , Italy
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Perrini C, Strillacci MG, Bagnato A, Esposti P, Marini MG, Corradetti B, Bizzaro D, Idda A, Ledda S, Capra E, Pizzi F, Lange-Consiglio A, Cremonesi F. Microvesicles secreted from equine amniotic-derived cells and their potential role in reducing inflammation in endometrial cells in an in-vitro model. Stem Cell Res Ther 2016; 7:169. [PMID: 27863532 PMCID: PMC5114748 DOI: 10.1186/s13287-016-0429-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 09/22/2016] [Accepted: 10/21/2016] [Indexed: 12/24/2022] Open
Abstract
Background It is known that a paracrine mechanism exists between mesenchymal stem cells and target cells. This process may involve microvesicles (MVs) as an integral component of cell-to-cell communication. Methods In this context, this study aims to understand the efficacy of MVs in in-vitro endometrial stressed cells in view of potential healing in in-vivo studies. For this purpose, the presence and type of MVs secreted by amniotic mesenchymal stem cells (AMCs) were investigated and the response of endometrial cells to MVs was studied using a dose-response curve at different concentrations and times. Moreover, the ability of MVs to counteract the in vitro stress in endometrial cells induced by lipopolysaccharide was studied by measuring the rate of apoptosis and cell proliferation, the expression of some pro-inflammatory genes such as tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), interleukin 1β (IL-1β), and metalloproteinases (MMP) 1 and 13, and the release of some pro- or anti-inflammatory cytokines. Results MVs secreted by the AMCs ranged in size from 100 to 200 nm. The incorporation of MVs was gradual over time and peaked at 72 h. MVs reduced the apoptosis rate, increased cell proliferation values, downregulated pro-inflammatory gene expression, and decreased the secretion of pro-inflammatory cytokines. Conclusion Our data suggest that some microRNAs could contribute to counteracting in-vivo inflammation of endometrial tissue.
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Affiliation(s)
- Claudia Perrini
- Large Animal Hospital, Reproduction Unit, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy
| | | | - Alessandro Bagnato
- Department of Veterinary Medicine, Università degli Studi di Milano, Milano, Italy
| | - Paola Esposti
- Large Animal Hospital, Reproduction Unit, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy
| | - Maria Giovanna Marini
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Bruna Corradetti
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Davide Bizzaro
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Antonella Idda
- Department of Veterinary Medicine, Università degli Studi di Sassari, Sassari, Italy
| | - Sergio Ledda
- Department of Veterinary Medicine, Università degli Studi di Sassari, Sassari, Italy
| | - Emanuele Capra
- Institute of Biology and Agricultural Biotechnology-CNR, Milano, Italy
| | - Flavia Pizzi
- Institute of Biology and Agricultural Biotechnology-CNR, Milano, Italy
| | - Anna Lange-Consiglio
- Large Animal Hospital, Reproduction Unit, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy.
| | - Fausto Cremonesi
- Large Animal Hospital, Reproduction Unit, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy.,Department of Veterinary Medicine, Università degli Studi di Milano, Milano, Italy
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23
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Durán Aguilar M, Román Ponce SI, Ruiz López FJ, González Padilla E, Vásquez Peláez CG, Bagnato A, Strillacci MG. Genome-wide association study for milk somatic cell score in holstein cattle using copy number variation as markers. J Anim Breed Genet 2016; 134:49-59. [PMID: 27578198 DOI: 10.1111/jbg.12238] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 08/03/2016] [Indexed: 12/21/2022]
Abstract
Mastitis, the most common and expensive disease in dairy cows, implies significant losses in the dairy industry worldwide. Many efforts have been made to improve genetic mastitis resistance in dairy populations, but low heritability of this trait made this process not as effective as desired. The purpose of this study was to identify genomic regions explaining genetic variation of somatic cell count using copy number variations (CNVs) as markers in the Holstein population, genotyped with the Illumina BovineHD BeadChip. We found 24 and 47 copy number variation regions significantly associated with estimated breeding values for somatic cell score (SCS_EBVs) using SVS 8.3.1 and PennCNV-CNVRuler software, respectively. The association analysis performed with these two software allowed the identification of 18 candidate genes (TERT, NOTCH1, SLC6A3, CLPTM1L, PPARα, BCL-2, ABO, VAV2, CACNA1S, TRAF2, RELA, ELF3, DBH, CDK5, NF2, FASN, EWSR1 and MAP3K11) that result classified in the same functional cluster. These genes are also part of two gene networks, whose genes share the 'stress', 'cell death', 'inflammation' and 'immune response' GO terms. Combining CNV detection/association analysis based on two different algorithms helps towards a more complete identification of genes linked to phenotypic variation of the somatic cell count.
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Affiliation(s)
- M Durán Aguilar
- Facultad de Estudios Superiores Cuautitlán, UNAM, Cuautitlán Izcalli, México
| | - S I Román Ponce
- Centro Nacional de Investigación en Fisiología y Mejoramiento Animal, INIFAP, Auchitlán, Querétaro, México
| | - F J Ruiz López
- Centro Nacional de Investigación en Fisiología y Mejoramiento Animal, INIFAP, Auchitlán, Querétaro, México
| | - E González Padilla
- Departamento de Genética y Bioestadística, Facultad Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, México DF, México
| | - C G Vásquez Peláez
- Departamento de Genética y Bioestadística, Facultad Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, México DF, México
| | - A Bagnato
- Department of Veterinary Medicine (DiMeVet), University of Milan, Milan, Italy
| | - M G Strillacci
- Department of Veterinary Medicine (DiMeVet), University of Milan, Milan, Italy
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24
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Lipkin E, Strillacci MG, Eitam H, Yishay M, Schiavini F, Soller M, Bagnato A, Shabtay A. The Use of Kosher Phenotyping for Mapping QTL Affecting Susceptibility to Bovine Respiratory Disease. PLoS One 2016; 11:e0153423. [PMID: 27077383 PMCID: PMC4831767 DOI: 10.1371/journal.pone.0153423] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 03/29/2016] [Indexed: 02/06/2023] Open
Abstract
Bovine respiratory disease (BRD) is the leading cause of morbidity and mortality in feedlot cattle, caused by multiple pathogens that become more virulent in response to stress. As clinical signs often go undetected and various preventive strategies failed, identification of genes affecting BRD is essential for selection for resistance. Selective DNA pooling (SDP) was applied in a genome wide association study (GWAS) to map BRD QTLs in Israeli Holstein male calves. Kosher scoring of lung adhesions was used to allocate 122 and 62 animals to High (Glatt Kosher) and Low (Non-Kosher) resistant groups, respectively. Genotyping was performed using the Illumina BovineHD BeadChip according to the Infinium protocol. Moving average of -logP was used to map QTLs and Log drop was used to define their boundaries (QTLRs). The combined procedure was efficient for high resolution mapping. Nineteen QTLRs distributed over 13 autosomes were found, some overlapping previous studies. The QTLRs contain polymorphic functional and expression candidate genes to affect kosher status, with putative immunological and wound healing activities. Kosher phenotyping was shown to be a reliable means to map QTLs affecting BRD morbidity.
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Affiliation(s)
- Ehud Lipkin
- Department of Genetics, Hebrew University of Jerusalem, Jerusalem, Israel
| | | | - Harel Eitam
- Department of Ruminant Sciences, Agricultural Research Organization (ARO), Bet-Dagan, Israel
| | - Moran Yishay
- Department of Ruminant Sciences, Agricultural Research Organization (ARO), Bet-Dagan, Israel
| | | | - Morris Soller
- Department of Genetics, Hebrew University of Jerusalem, Jerusalem, Israel
| | | | - Ariel Shabtay
- Department of Ruminant Sciences, Agricultural Research Organization (ARO), Bet-Dagan, Israel
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25
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Longeri M, Parma P, Polli M, Cristina Cozzi M, Valiati P, De Lorenzi L, Pertica G, Gandolfi B, Giuseppina Strillacci M, Molteni L. Genetic screening of the inherited Ichtyosis causative mutation in Chianina cattle. Italian Journal of Animal Science 2016. [DOI: 10.4081/ijas.2009.s2.102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Maria Longeri
- Dipartimento di Scienze Animali, Università di Milano, Italy
| | - Pietro Parma
- Dipartimento di Scienze Animali, Università di Milano, Italy
| | - Michele Polli
- Dipartimento di Scienze Animali, Università di Milano, Italy
| | | | - Paolo Valiati
- Dipartimento di Scienze Animali, Università di Milano, Italy
| | - Lisa De Lorenzi
- Dipartimento di Scienze Animali, Università di Milano, Italy
| | - Giulia Pertica
- Dipartimento di Scienze Animali, Università di Milano, Italy
| | | | | | - Luciano Molteni
- Dipartimento di Scienze Animali, Università di Milano, Italy
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26
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Tullo E, Frigo E, Rossoni A, Finocchiaro R, Serra M, Rizzi N, Samorè AB, Canavesi F, Strillacci MG, Prinsen RTMM, Bagnato A. Genetic Parameters of Fatty Acids in Italian Brown Swiss and Holstein Cows. Italian Journal of Animal Science 2016. [DOI: 10.4081/ijas.2014.3208] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Pertica G, Riva J, Strillacci MG, Cozzi MC, Longeri M, Polli M. Prevalence of inherited junctional epidermolysis bullosa in German shorthaired pointers bred in Italy. Vet Rec 2010; 167:751-2. [PMID: 21257512 DOI: 10.1136/vr.c5178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- G Pertica
- Department of Animal Science, Università degli Studi di Milano, via Celoria 10, 20133 Milano, Italy
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28
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Lipinski MJ, Amigues Y, Blasi M, Broad TE, Cherbonnel C, Cho GJ, Corley S, Daftari P, Delattre DR, Dileanis S, Flynn JM, Grattapaglia D, Guthrie A, Harper C, Karttunen PL, Kimura H, Lewis GM, Longeri M, Meriaux JC, Morita M, Morrin-O'donnell RC, Niini T, Pedersen NC, Perrotta G, Polli M, Rittler S, Schubbert R, Strillacci MG, Van Haeringen H, Van Haeringen W, Lyons LA. An international parentage and identification panel for the domestic cat (Felis catus). Anim Genet 2007; 38:371-7. [PMID: 17655554 PMCID: PMC1974777 DOI: 10.1111/j.1365-2052.2007.01632.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Seventeen commercial and research laboratories participated in two comparison tests under the auspices of the International Society for Animal Genetics to develop an internationally tested, microsatellite-based parentage and identification panel for the domestic cat (Felis catus). Genetic marker selection was based on the polymorphism information content and allele ranges from seven random-bred populations (n = 261) from the USA, Europe and Brazil and eight breeds (n = 200) from the USA. Nineteen microsatellite markers were included in the comparison test and genotyped across the samples. Based on robustness and efficiency, nine autosomal microsatellite markers were ultimately selected as a single multiplex ‘core’ panel for cat identification and parentage testing. Most markers contained dinucleotide repeats. In addition to the autosomal markers, the panel included two gender-specific markers, amelogenin and zinc-finger XY, which produced genotypes for both the X and Y chromosomes. This international cat parentage and identification panel has a power of exclusion comparable to panels used in other species, ranging from 90.08% to 99.79% across breeds and 99.47% to 99.87% in random-bred cat populations.
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Affiliation(s)
- M J Lipinski
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
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29
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Longeri M, Polli M, Strillacci MG, Samorè AB, Zanotti M. Short Communication: Quantitative Trait Loci Affecting the Somatic Cell Score on Chromosomes 4 and 26 in Italian Holstein Cattle. J Dairy Sci 2006; 89:3175-7. [PMID: 16840634 DOI: 10.3168/jds.s0022-0302(06)72591-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This work aimed to confirm previously reported quantitative trait loci (QTL) affecting the somatic cell score (SCS) in dairy cattle on Bos taurus autosomes (BTA) 4 and 26. A granddaughter design with selective genotyping was implemented that included half-sib families from 12 male lines of Italian Holstein cattle. The animals were genotyped for 5 microsatellite markers each on regions of BTA 4 (average marker spacing 9.42 cM) and BTA 26 (average marker spacing 5.26 cM), previously reported by other authors as carrying QTL for somatic cell count. Quantitative trait loci analyses were performed using interval mapping by regressing sire breeding values for SCS onto genotype probabilities at 1-cM intervals along the 2 chromosome regions. Breeding values for SCS were estimated for the whole population using a test-day repeatability animal model. Results were not significant on a chromosome basis, but a possible QTL was found at BM4505 on BTA 26, confirming this region for further studies of QTL affecting SCS in the Italian Holstein population.
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Affiliation(s)
- M Longeri
- Istituto di Zootecnia, Facoltà di Medicina Veterinaria, Università di Milano, 20133 Milan, Italy.
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30
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Abstract
The genetic variability of the mitochondrial D-loop DNA sequence in seven horse breeds bred in Italy (Giara, Haflinger, Italian trotter, Lipizzan, Maremmano, Thoroughbred and Sarcidano) was analysed. Five unrelated horses were chosen in each breed and twenty-two haplotypes were identified. The sequences obtained were aligned and compared with a reference sequence and with 27 mtDNA D-loop sequences selected in the GenBank database, representing Spanish, Portuguese, North African, wild horses and an Equus asinus sequence as the outgroup. Kimura two-parameter distances were calculated and a cluster analysis using the Neighbour-joining method was performed to obtain phylogenetic trees among breeds bred in Italy and among Italian and foreign breeds. The cluster analysis indicates that all the breeds but Giara are divided in the two trees, and no clear relationships were revealed between Italian populations and the other breeds. These results could be interpreted as showing the mixed origin of breeds bred in Italy and probably indicate the presence of many ancient maternal lineages with high diversity in mtDNA sequences.
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Affiliation(s)
- Maria Cristina Cozzi
- Istituto di Zootecnica, Facoltà di Medicina Veterinaria, Università degli Studi di Milano, Via Celoria 10, 20133 Milano, Italy
| | - Maria Giuseppina Strillacci
- Istituto di Zootecnica, Facoltà di Medicina Veterinaria, Università degli Studi di Milano, Via Celoria 10, 20133 Milano, Italy
| | - Paolo Valiati
- Istituto di Zootecnica, Facoltà di Medicina Veterinaria, Università degli Studi di Milano, Via Celoria 10, 20133 Milano, Italy
| | - Barbara Bighignoli
- Istituto di Zootecnica, Facoltà di Medicina Veterinaria, Università degli Studi di Milano, Via Celoria 10, 20133 Milano, Italy
| | - Mario Cancedda
- Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università degli Studi di Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Marta Zanotti
- Istituto di Zootecnica, Facoltà di Medicina Veterinaria, Università degli Studi di Milano, Via Celoria 10, 20133 Milano, Italy
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