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Blanco-Doval A, Azkargorta M, Iloro I, Beaskoetxea J, Elortza F, Barron LJR, Aldai N. Comparative proteomic analysis of the changes in mare milk associated with different lactation stages and management systems. Food Chem 2024; 445:138766. [PMID: 38402663 DOI: 10.1016/j.foodchem.2024.138766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/24/2024] [Accepted: 02/13/2024] [Indexed: 02/27/2024]
Abstract
Mare milk has traditionally been attributed a number of health promoting properties. However, knowledge on its composition and functionality remains scarce, with particularly limited studies on mare milk proteomics. This study deeply characterized mare milk proteome accounting for both caseins and proteins in the whey fraction, also addressing the impact of lactation stage and different management systems. Milk samples from Basque Mountain Horse breed mares belonging to three different farms and three lactation stages were analysed after in-gel and in-solution digestion using nLC-MS/MS. Among the 469 proteins identified, the content of alpha-1 antitrypsin was significantly higher in pasture-based compared to other systems. Moreover, lactation stage significantly affected the content of beta-lactoglobulin II, immunoglobulin-like domain-containing protein, interferon alpha-inducible protein 27, lactotransferrin, polypeptide N-acetylgalactosaminyltransferase, and transforming acidic coiled-coil containing protein 2. This study contributes to the deep characterization of mare milk proteome and provides new insights into the effect of different production factors.
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Affiliation(s)
- Ana Blanco-Doval
- Lactiker Research Group, Department of Pharmacy and Food Sciences, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain.
| | - Mikel Azkargorta
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, Bizkaia Science and Technology Park, 48160 Derio, Spain.
| | - Ibon Iloro
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, Bizkaia Science and Technology Park, 48160 Derio, Spain.
| | - Jabier Beaskoetxea
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, Bizkaia Science and Technology Park, 48160 Derio, Spain.
| | - Felix Elortza
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, Bizkaia Science and Technology Park, 48160 Derio, Spain.
| | - Luis Javier R Barron
- Lactiker Research Group, Department of Pharmacy and Food Sciences, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain.
| | - Noelia Aldai
- Lactiker Research Group, Department of Pharmacy and Food Sciences, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain.
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Boushaba N, Tabet-Aoul N. Allele and genotype frequencies of β-lactoglobulin gene using PCR-RFLP in Algerian local cattle populations. MOLECULAR BIOLOGY RESEARCH COMMUNICATIONS 2024; 13:43-49. [PMID: 38164367 PMCID: PMC10644313 DOI: 10.22099/mbrc.2023.47661.1841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Milk protein genetic polymorphisms are associated with economically important traits in dairy cattle. The objective of this study is to genotype a single nucleotide polymorphism (SNP) responsible for the amino acid changes in the beta-lactoglobulin (β-Lg) variants A and B on 85 unrelated DNA representing Algerian cattle populations: Chelifienne (28), Cheurfa (31) and Guelmoise (26). The method used is the PCR-RFLP (Polymerase Chain Reaction-Restriction Fragment Length Polymorphism). Genetic polymorphism was detected by digestion of PCR products amplified of exon II of β-Lg gene by with the endonuclease HaeIII enzyme. The results revealed that the amplified product was observed as 247 bp. Restriction digestion with HaeIII revealed three genotypes: AA, AB and BB. The genotypic frequencies of AA, AB and BB genotypes were 0.08, 0.41, 0.50; 0.08, 0.41, 0.50 and 0.01, 0.19, 0.56 in Chelifienne, Cheurfa and Guelmoise and respectively. Frequency of AA genotype was absent in Guelmoise population. Frequencies of A and B alleles were 0.29 and 0.71 in both Chelifienne and Cheurfa and 0.25 and 0.75 Guelmoise population. These results further confirm that Bos torus cattle are predominantly of β-Lactoglobulin B type. The Chi-square test at p-value < 0.05 results revealed that the Chelifienne and Cheurfa populations were in Hardy-Weinberg equilibrium and the results are not significant for the Guelmoise. This genetic information could be useful to estimate the effect of polymorphism on different milk production of Algerian bovine populations.
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Affiliation(s)
- Nadjet Boushaba
- Laboratory Genetics Molecular and Cellular, Department of Molecular Genetics Applied, Faculty of Nature and Life Sciences, University of Science and Technology of Oran "Mohamed Boudiaf ", B.P 1505 El M’Naouar, 31000 Oran, Algeria
| | - Nacera Tabet-Aoul
- Laboratory Genetics Molecular and Cellular, Department of Molecular Genetics Applied, Faculty of Nature and Life Sciences, University of Science and Technology of Oran "Mohamed Boudiaf ", B.P 1505 El M’Naouar, 31000 Oran, Algeria
- Department of Biotechnology, Faculty of Nature and Life Sciences, University of Oran 1 "Ahmed Ben Bella", 31000 Oran, Algeria
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Jawasreh KI, Al-Amareen AH. The implications of various gene variant combinations on breeding values for Awassi ewe milk production. Vet World 2023; 16:2411-2415. [PMID: 38328368 PMCID: PMC10844783 DOI: 10.14202/vetworld.2023.2411-2415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/01/2023] [Indexed: 02/09/2024] Open
Abstract
Background and Aim Milk production is an important factor to consider in selecting Awassi sheep. This trait is influenced by various genes that can be managed to boost production. The breeding values (BVs) for milk production in Jordan's Awassi sheep flocks have been established. This study determined how combined gene variants of BLG, PRL, CSN3, CSN1S1, and CSN2 affect the estimated BVs (EBVs) for milk production in Awassi sheep. Materials and Methods Milk and blood samples were collected from 391 Awassi sheep, which was then subjected to molecular analysis through sequencing in order to identify potential alleles and genotypes that could be linked to the EBVs of milk. Results The predicted BVs for milk were significantly influenced by PRL and CSN3 gene variants. Through performing the act of epistasis, the interactions of BLG with CSN3 and -CSN1S1 greatly impacted EBVs for milk production. Likewise, the three-way interaction among PRL, CSN3, and CSN1S1, as well as the combined effect of CSN3 with CSN1S1 and CNS1 significantly improved BVs for milk production. When the breeding selection program incorporates the polymorphisms of these genes, gains in milk production can be obtained. Conclusion Alleles within the examined genomic areas are crucial for evaluating BVs and maximizing genetic gain in milk production.
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Affiliation(s)
- Khaleel I. Jawasreh
- Department of Animal Production, Faculty of Agriculture, Jordan University of Science and Technology, Box 3030, Irbid 22110, Jordan
| | - Ahmad H. Al-Amareen
- Livestock Directorate, National Agriculture Research Center, Albaqa’a 19381, Jordan
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Cosenza G, Martin P, Garro G, Gallo D, Auzino B, Ciampolini R, Pauciullo A. A novel allelic donkey β-lactogobulin I protein isoform generated by a non-AUG translation initiation codon is associated with a nonsynonymous SNP. J Dairy Sci 2023; 106:4158-4170. [PMID: 37080792 DOI: 10.3168/jds.2022-22598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 12/17/2022] [Indexed: 04/22/2023]
Abstract
β-Lactoglobulin I (β-LG I) is one of the most important whey proteins in donkey milk. However, to our knowledge, there has been no study focusing on the full nucleotide sequences of this gene (BLG I). Current investigation of donkey BLG I gene is very limited with only 2 variants (A and B) characterized so far at the protein level. Recently, a new β-LG I variant, with a significantly higher mass (+1,915 Da) than known variants has been detected. In this study, we report the whole nucleotide sequence of the BLG I gene from 2 donkeys, whose milk samples are characterized by the β-LG I SDS-PAGE band with a normal electrophoretic mobility (18,514.25 Da, β-LG I B1 form) the first, and by the presence of a unique β-LG I band with a higher electrophoretic mobility (20,428.5 Da, β-LG I D form) the latter. A high genetic variability was found all over the 2 sequenced BLG I alleles. In particular, 16 polymorphic sites were found in introns, one in the 5' flanking region, 3 SNPs in the 5' untranslated region and one SNP in the coding region (g.458G > A) located at the 40th nucleotide of exon 2 and responsible for the AA substitutions p.Asp28 > Asn in the mature protein. Two SNPs (g.920-922CAC > TGT and g.1871G/A) were genotyped in 93 donkeys of 2 Italian breeds (60 Ragusana and 33 Amiatina, respectively) and the overall frequencies of g.920-922CAC and g.1871A were 0.3065 and 0.043, respectively. Only the rare allele g.1871A was observed to be associated with the slower migrating β-LG I. Considering this genetic diversity and those found in the database, it was possible to deduce at least 5 different alleles (BLG I A, B, B1, C, D) responsible for 4 potential β-LG I translations. Among these alleles, B1 and D are those characterized in the present research, with the D allele of real novel identification. Haplotype data analysis suggests an evolutionary pathway of donkey BLG I gene and a possible phylogenetic map is proposed. Analyses of mRNA secondary structure showed relevant changes in the structures, as consequence of the g.1871G > A polymorphism, that might be responsible for the recognition of an alternative initiation site providing an additional signal peptide. The extension of 19 AA sequence to the mature protein, corresponding to the canonical signal peptide with an additional alanine residue, is sufficient to provide the observed molecular weight of the slower migrating β-LG I encoded by the BLG I D allele.
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Affiliation(s)
- G Cosenza
- Department of Agricultural Sciences, University of Naples "Federico II," 80055 Portici (Na), Italy.
| | - P Martin
- Université Paris-Saclay, INRAE, MICALIS Institute, PAPPSO, 78350 Jouy-en-Josas, France
| | - G Garro
- Department of Agricultural Sciences, University of Naples "Federico II," 80055 Portici (Na), Italy
| | - D Gallo
- Department of Agricultural Sciences, University of Naples "Federico II," 80055 Portici (Na), Italy
| | - B Auzino
- Department of Veterinary Science, University of Pisa, 56100, Italy
| | - R Ciampolini
- Department of Veterinary Science, University of Pisa, 56100, Italy.
| | - A Pauciullo
- Department of Agriculture, Forest and Food Sciences, University of Torino, 10095 Grugliasco (TO), Italy
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Bartlett AP, Harman RM, Weiss JR, Van de Walle GR. Establishment and characterization of equine mammary organoids using a method translatable to other non-traditional model species. Development 2022; 149:274742. [DOI: 10.1242/dev.200412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/21/2022] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Mammary organoid (MaO) models are only available for a few traditional model organisms, limiting our ability to investigate mammary gland development and cancer across mammals. This study established equine mammary organoids (EqMaOs) from cryopreserved mammary tissue, in which mammary tissue fragments were isolated and embedded into a 3D matrix to produce EqMaOs. We evaluated viability, proliferation and budding capacity of EqMaOs at different time points during culture, showing that although the number of proliferative cells decreased over time, viability was maintained and budding increased. We further characterized EqMaOs based on expression of stem cell, myoepithelial and luminal markers, and found that EqMaOs expressed these markers throughout culture and that a bilayered structure as seen in vivo was recapitulated. We used the milk-stimulating hormone prolactin to induce milk production, which was verified by the upregulation of milk proteins, most notably β-casein. Additionally, we showed that our method is also applicable to additional non-traditional mammalian species, particularly domesticated animals such as cats, pigs and rabbits. Collectively, MaO models across species will be a useful tool for comparative developmental and cancer studies.
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Affiliation(s)
- Arianna P. Bartlett
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Rebecca M. Harman
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Jennifer R. Weiss
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Gerlinde R. Van de Walle
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
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Kis J, Rózsa L, Husvéth F, Zsolnai A, Anton I. Role of genes related to performance and reproduction of Thoroughbreds in training and breeding - A review. Acta Vet Hung 2021; 69:315-323. [PMID: 34739392 DOI: 10.1556/004.2021.00045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 10/01/2021] [Indexed: 11/19/2022]
Abstract
Thoroughbreds have been selected for speed and stamina since the 1700s. This selection resulted in structural and functional system-wide adaptations that enhanced physiological characteristics for outstanding speed of 61-71 kph (38-44 mph) between 1,000 and 3,200 m (5 furlongs - 2 miles). At present, horseracing is still an economically important industrial sector, therefore intensive research is underway to explore genes that allow the utilisation of genetic abilities and are significant in breeding and training. This study aims to provide an overview of genetic research and its applicability related to Thoroughbreds.
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Affiliation(s)
- Judit Kis
- 1Department of Animal Breeding, Institute of Animal Science, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, Guba Sándor u. 40, H-7400 Kaposvár, Hungary
| | - László Rózsa
- 1Department of Animal Breeding, Institute of Animal Science, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, Guba Sándor u. 40, H-7400 Kaposvár, Hungary
| | - Ferenc Husvéth
- 2Department of Animal Breeding, Institute of Animal Science, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Hungary
| | - Attila Zsolnai
- 1Department of Animal Breeding, Institute of Animal Science, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, Guba Sándor u. 40, H-7400 Kaposvár, Hungary
| | - István Anton
- 1Department of Animal Breeding, Institute of Animal Science, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, Guba Sándor u. 40, H-7400 Kaposvár, Hungary
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Sawyer L. β-Lactoglobulin and Glycodelin: Two Sides of the Same Coin? Front Physiol 2021; 12:678080. [PMID: 34093238 PMCID: PMC8173191 DOI: 10.3389/fphys.2021.678080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/14/2021] [Indexed: 12/22/2022] Open
Abstract
The two lipocalins, β-lactoglobulin (βLg) and glycodelin (Gd), are possibly the most closely related members of the large and widely distributed lipocalin family, yet their functions appear to be substantially different. Indeed, the function of β-lactoglobulin, a major component of ruminant milk, is still unclear although neonatal nutrition is clearly important. On the other hand, glycodelin has several specific functions in reproduction conferred through distinct, tissue specific glycosylation of the polypeptide backbone. It is also associated with some cancer outcomes. The glycodelin gene, PAEP, reflecting one of its names, progestagen-associated endometrial protein, is expressed in many though not all primates, but the name has now also been adopted for the β-lactoglobulin gene (HGNC, www.genenames.org). After a general overview of the two proteins in the context of the lipocalin family, this review considers the properties of each in the light of their physiological functional significance, supplementing earlier reviews to include studies from the past decade. While the biological function of glycodelin is reasonably well defined, that of β-lactoglobulin remains elusive.
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Affiliation(s)
- Lindsay Sawyer
- School of Biological Sciences, IQB3, The University of Edinburgh, Edinburgh, United Kingdom
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Varlamova EG, Zaripov OG. Beta-lactoglobulin-nutrition allergen and nanotransporter of different nature ligands therapy with therapeutic action. Res Vet Sci 2020; 133:17-25. [PMID: 32919234 DOI: 10.1016/j.rvsc.2020.08.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/08/2020] [Accepted: 08/28/2020] [Indexed: 02/06/2023]
Abstract
β-lactoglobulin is one of the nutrition allergens present in the milk of many mammals, with the exception of human. This protein belongs to the family of lipocalins, consisting of nine antiparallel β-strands (β-A to β-I) and one α-helix. This structure allows it to serve as a nanotransporter of various nature ligands in a pH dependent manner, which allows us to confidently consider it as a reliable carrier of drugs directly into the intestine, bypassing the destructive acidic environment of the stomach. Based on the latest data, this review describes the currently known methods of reducing the allergenicity of beta-lactoglobulin, as well as the mechanisms and methods of forming complexes of this protein with ligands, which emphasizes its importance and versatility and explains the growing interest in studying its properties in recent decades, and also opens up prospects for its practical application in medicine and pharmaceuticals.
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Affiliation(s)
- E G Varlamova
- Federal State Institution of Science Institute of Cell Biophysics, Russian Academy of Sciences, Institutskaya st. 3, 142290, Pushchino, Moscow Region, Russia.
| | - O G Zaripov
- Federal Science Center for Animal Husbandry named after Academy Member L.K. Ernst, Dubrovitsy village, house 60, 142132, Moscow region, Podolsky city district, Russia
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