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Poličnik R, Hristov H, Lavriša Ž, Farkaš J, Smole Možina S, Koroušić Seljak B, Blaznik U, Gregorič M, Pravst I. Dietary Intake of Adolescents and Alignment with Recommendations for Healthy and Sustainable Diets: Results of the SI.Menu Study. Nutrients 2024; 16:1912. [PMID: 38931267 PMCID: PMC11206795 DOI: 10.3390/nu16121912] [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: 05/08/2024] [Revised: 06/07/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND The SI.Menu study offers the latest data on the dietary intake of Slovenian adolescents aged 10 to 17. The purpose of this study is to comprehensively assess their dietary intake (energy and nutrients) and compare their food intakes with dietary recommendations for healthy and sustainable diets. METHODS The cross-sectional epidemiological dietary study SI.Menu (March 2017-April 2018) was conducted on a representative sample of Slovenian adolescents aged 10 to 17 years (n = 468) (230 males and 238 females). Data on dietary intake were gathered through two non-consecutive 24 h recalls, in line with the European Food Safety Authority (EFSA) EU Menu methodology. The repeated 24 h Dietary Recall (HDR) and Food Propensity Questionnaire (FPQ) data were combined to determine the usual intakes of nutrients and food groups, using the Multiple Source Method (MSM) program. RESULTS Adolescents' diets significantly deviate from dietary recommendations, lacking vegetables, milk and dairy products, nuts and seeds, legumes, and water, while containing excessive meat (especially red meat) and high-sugar foods. This results in insufficient intake of dietary fibre, and nutrients such as vitamin D, folate, and calcium. CONCLUSIONS The dietary intake of Slovenian adolescents does not meet healthy and sustainable diet recommendations. This study provides an important insight into the dietary habits of Slovenian adolescents that could be useful for future public health strategies.
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Affiliation(s)
- Rok Poličnik
- National Institute of Public Health, Trubarjeva Cesta 2, SI-1000 Ljubljana, Slovenia; (J.F.); (U.B.); (M.G.)
| | - Hristo Hristov
- Nutrition Institute, Koprska Ulica 98, SI-1000 Ljubljana, Slovenia; (H.H.); (Ž.L.); (I.P.)
| | - Živa Lavriša
- Nutrition Institute, Koprska Ulica 98, SI-1000 Ljubljana, Slovenia; (H.H.); (Ž.L.); (I.P.)
- Biotechnical Faculty, University of Ljubljana, Jamnikarjeva Ulica 101, SI-1000 Ljubljana, Slovenia;
| | - Jerneja Farkaš
- National Institute of Public Health, Trubarjeva Cesta 2, SI-1000 Ljubljana, Slovenia; (J.F.); (U.B.); (M.G.)
- Faculty of Medicine, University of Ljubljana, Vrazov trg 2, SI-1000 Ljubljana, Slovenia
- General Hospital Murska Sobota, Ulica dr. Vrbnjaka 6, Rakičan, Sl-9000 Murska Sobota, Slovenia
| | - Sonja Smole Možina
- Biotechnical Faculty, University of Ljubljana, Jamnikarjeva Ulica 101, SI-1000 Ljubljana, Slovenia;
| | - Barbara Koroušić Seljak
- Computer System Department, Jožef Stefan Institute, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia;
| | - Urška Blaznik
- National Institute of Public Health, Trubarjeva Cesta 2, SI-1000 Ljubljana, Slovenia; (J.F.); (U.B.); (M.G.)
| | - Matej Gregorič
- National Institute of Public Health, Trubarjeva Cesta 2, SI-1000 Ljubljana, Slovenia; (J.F.); (U.B.); (M.G.)
| | - Igor Pravst
- Nutrition Institute, Koprska Ulica 98, SI-1000 Ljubljana, Slovenia; (H.H.); (Ž.L.); (I.P.)
- Biotechnical Faculty, University of Ljubljana, Jamnikarjeva Ulica 101, SI-1000 Ljubljana, Slovenia;
- VIST-Faculty of Applied Sciences, Gerbičeva Cesta 51A, SI-1000 Ljubljana, Slovenia
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Lawson Y, Mpasi P, Young M, Comerford K, Mitchell E. A review of dairy food intake for improving health among black children and adolescents in the US. J Natl Med Assoc 2024; 116:241-252. [PMID: 38360503 DOI: 10.1016/j.jnma.2024.01.019] [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: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 02/17/2024]
Abstract
Adequate nutrition during childhood and adolescence is crucial for proper neurological, musculoskeletal, immunological, and cardiometabolic health and development. Yet, disparities among socially underserved racial/ethnic groups in the United States (US) provide significant challenges to achieving adequate nutrition during these years of rapid growth and maturation. For example, Black children and adolescents are at greater risk for having food insecurity, lower-quality diets, obesity, and numerous associated health challenges that result from these disparities compared to their White peers. A growing body of evidence indicates that improving diet quality is critical for improving childhood and adolescent health and well-being, and that the diverse nutritional profile and bioactive compounds found within dairy foods may play multiple roles in promoting proper growth and development during these life stages. Therefore, to support overall health and development among Black youth, greater education and implementation efforts are needed to help this population meet the national dietary recommendations of 2.5 to 3 servings of dairy foods per day. Continuing to fall short of these recommendations puts Black children and adolescents at risk of multiple nutrient inadequacies and health disparities that can have lifelong impacts on disease development, mental health, and quality of life. This review presents the state of knowledge on health disparities and modifiable nutritional strategies involving milk and dairy foods to support the growth and maturation of children and adolescents, with a special focus on Black youth in the US.
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Affiliation(s)
- Yolanda Lawson
- Associate Attending, Baylor University Medical Center, Dallas, TX, United States
| | - Priscilla Mpasi
- ChristianaCare Health System, Assistant Clinical Director Complex Care and Community Medicine, Wilmington, DE, United States
| | - Michal Young
- Emeritus, Howard University College of Medicine, Department of Pediatrics and Child Health, Washington D.C., United States
| | - Kevin Comerford
- OMNI Nutrition Science, California Dairy Research Foundation, Davis, CA, United States.
| | - Edith Mitchell
- Sidney Kimmel Cancer at Jefferson, Philadelphia, PA, United States
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Comerford K, Lawson Y, Young M, Knight M, McKinney K, Mpasi P, Mitchell E. The role of dairy food intake for improving health among black Americans across the life continuum: A summary of the evidence. J Natl Med Assoc 2024; 116:292-315. [PMID: 38378307 DOI: 10.1016/j.jnma.2024.01.020] [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: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 02/22/2024]
Abstract
Decades of health data show major health disparities occurring at every life stage between Black and White Americans. These disparities include greater mortality rates among Black mothers and their offspring, higher levels of malnutrition and obesity among Black children and adolescents, and a higher burden of chronic disease and lower life expectancy for Black adults. Although nutrition is only one of many factors that influence human health and well-being across the life continuum, a growing body of research continues to demonstrate that consuming a healthy dietary pattern is one of the most dominant factors associated with increased longevity, improved mental health, improved immunity, and decreased risk for obesity and chronic disease. Unfortunately, large percentages of Black Americans tend to consume inadequate amounts of several essential nutrients such as vitamin A, vitamin D, calcium, and magnesium; and simultaneously consume excessive amounts of fast foods and sugar-sweetened beverages to a greater degree than other racial/ethnic groups. Therefore, strategies that can help improve dietary patterns for Black Americans could make up a major public health opportunity for reducing nutrition-related diseases and health disparities across the life course. A key intervention strategy to improve diet quality among Black Americans is to focus on increasing the intake of nutrient-rich dairy foods, which are significantly underconsumed by most Black Americans. Compared to other food group, dairy foods are some of the most accessible and affordable sources of essential nutrients like vitamin A, D, and B12, calcium, magnesium, potassium, selenium, and zinc in the food supply, as well as being some of the primary sources of several health-promoting bioactive compounds, including polar lipids, bioactive proteins and peptides, oligosaccharides, and live and active cultures in fermented products. Given the complex relationships that many Black Americans have with dairy foods, due to issues with lactose intolerance, and/or negative perceptions about the health effects of dairy foods, there is still a need to examine the role that dairy foods play in the health and well-being of Black Americans of all ages and life stages. Therefore, the National Medical Association and its partners have produced multiple reports on the value of including adequate dairy in the diet of Black Americans. This present summary paper and its associated series of evidence reviews provide an examination of an immense amount of research focused on dairy intake and health outcomes, with an emphasis on evidence-based strategies for improving the health of Black Americans. Overall, the findings and conclusions from this body of research continue to indicate that higher dairy intake is associated with reduced risk for many of the most commonly occurring deficiencies and diseases impacting each life stage, and that Black Americans would receive significantly greater health benefits by increasing their daily dairy intake levels to meet the national recommendations than they would from continuing to fall short of these recommendations. However, these recommendations must be considered with appropriate context and nuance as the intake of different dairy products can have different impacts on health outcomes. For instance, vitamin D fortified dairy products and fermented dairy products like yogurt - which are low in lactose and rich in live and active cultures - tend to show the greatest benefits for improved health. Importantly, there are significant limitations to these research findings for Black Americans, especially as they relate to reproductive and child health, since most of the research on dairy intake and health has failed to include adequate representation of Black populations or to sufficiently address the role of dairy intake during the most vulnerable life stages, such as pregancy, lactation, fetal development, early childhood, and older age. This population and these life stages require considerably more research and policy attention if health equity is ever to be achieved for Black Americans. Sharing and applying the learnings from this summary paper and its associated series of evidence reviews will help inform and empower nutrition and health practitioners to provide more evidence-based dietary recommendations for improving the health and well-being of Black Americans across the life course.
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Affiliation(s)
- Kevin Comerford
- OMNI Nutrition Science, California Dairy Research Foundation, Davis, CA, United States.
| | - Yolanda Lawson
- Associate Attending, Baylor University Medical Center, Dallas, TX, United States
| | - Michal Young
- Emeritus, Department of Pediatrics and Child Health, Howard University College of Medicine, Washington D.C., United States
| | - Michael Knight
- The George Washington University School of Medicine and Health Sciences, Washington D.C., United States
| | - Kevin McKinney
- Department of Internal Medicine, Division of Endocrinology, University of Texas Medical Branch, Galveston, TX, United States
| | - Priscilla Mpasi
- ChristianaCare Health System, Assistant Clinical Director Complex Care and Community Medicine, Wilmington, DE, United States
| | - Edith Mitchell
- Sidney Kimmel Cancer at Jefferson, Philadelphia, PA, United States
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Xi Y, Ikram S, Zhao T, Shao Y, Liu R, Song F, Sun B, Ai N. 2-Heptanone, 2-nonanone, and 2-undecanone confer oxidation off-flavor in cow milk storage. J Dairy Sci 2023; 106:8538-8550. [PMID: 37641261 DOI: 10.3168/jds.2022-23056] [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: 11/19/2022] [Accepted: 06/05/2023] [Indexed: 08/31/2023]
Abstract
Flavor sensation is one of the most prevalent characteristics of food industries and an important consumer preference regulator of dairy products. So far, many volatile compounds have been identified, and their molecular mechanisms conferring overall flavor formation have been reported extensively. However, little is known about the critical flavor compound of a specific sensory experience in terms of oxidized off-flavor perception. Therefore, the present study aimed to compare the variation in sensory qualities and volatile flavors in full-fat UHT milk (FFM) and low-fat UHT milk (LFM) samples under different natural storage conditions (0, 4, 18, 25, 30, or 37°C for 15 and 30 d) and determine the main component causing flavor deterioration in the FFM and LFM samples using sensory evaluation, electronic nose, and headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). In addition, the Pearson correlation between the volatile flavor components and oxidative off-flavors was analyzed and validated by sensory reconstitution studies. Compared with the LFM samples, the FFM samples showed a higher degree of quality deterioration with increased storage temperature. Methyl ketones of odd carbon chains (i.e., 2-heptanone, 2-nonanone, 2-undecanone, 2-tridecanone, and 2-pentadecanone) reached a maximum content in the FFM37 samples over 30 d storage. The combined results of the Pearson correlation and sensory recombination study indicated that 2-heptanone, 2-nonanone, and 2-undecanone conferred off-flavor perception. Overall, the present study results provide potential target components for detecting and developing high-quality dairy products and lay a foundation for specific sensory flavor compound exploration in the food industry.
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Affiliation(s)
- Yanmei Xi
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048
| | - Sana Ikram
- Department of Nutrition and Dietetics, National University of Medical Sciences, The Mall, Rawalpindi, Pakistan 46000
| | - Tong Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048
| | - Yiwei Shao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048
| | - Ruirui Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048
| | - Fuhang Song
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048
| | - Nasi Ai
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University, Beijing, China 100048.
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Compliance between Food and Feed Safety: Eight-Year Survey (2013–2021) of Aflatoxin M1 in Raw Milk and Aflatoxin B1 in Feed in Northern Italy. Toxins (Basel) 2023; 15:toxins15030168. [PMID: 36977059 PMCID: PMC10057617 DOI: 10.3390/toxins15030168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/13/2023] [Accepted: 02/18/2023] [Indexed: 02/23/2023] Open
Abstract
Aflatoxins (AFs) are fungal metabolites that are found in feed and food. When ruminants eat feed contaminated with aflatoxin B1 (AFB1), it is metabolised and aflatoxin M1 (AFM1) is excreted in the milk. Aflatoxins can result in hepatotoxic, carcinogenic, and immunosuppressive effects. The European Union thus set a low threshold limit (50 ng/L) for presence of AFM1 in milk. This was in view of its possible presence also in dairy products and that quantification of these toxins is mandatory for milk suppliers. In the present study, a total of 95,882 samples of whole raw milk, collected in northern Italy between 2013 and 2021, were evaluated for presence of AFM1 using an ELISA (enzyme-linked immunosorbent assay) method. The study also evaluated the relationship between feed materials collected from the same farms in the same area during the same period (2013–2021) and milk contamination. Only 667 milk samples out of 95,882 samples analysed (0.7%) showed AFM1 values higher than the EU threshold limit of 50 ng/L. A total of 390 samples (0.4%) showed values between 40 and 50 ng/L, thus requiring corrective action despite not surpassing the regulatory threshold. Combining feed contamination and milk contamination data, some feedingstuffs seem to be more effective in defying potential carryover of AFs from feed to milk. Combining the results, it can be concluded that a robust monitoring system that covers both feed, with a special focus on high risk/sentinel matrices, and milk is essential to guarantee high quality and safety standards of dairy products.
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Bustamante–Ordoñez JG, Vintimilla-Rojas AE, Andrade–Guzmán OS, Abad–Quevedo VL, Agurto–Granda DA, López–Espinoza MD, Macancela–Herrera DA, Lupercio–Novillo RL. Calidad–inocuidad de la leche cruda de vaca que ingresa a centros de acopio de la provincia Cañar–Ecuador, en el contexto de las normativas Latinoamericanas. REVISTA CIENTÍFICA DE LA FACULTAD DE CIENCIAS VETERINARIAS 2023. [DOI: 10.52973/rcfcv-e33183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
En esta investigación se analizaron parámetros físico–químicos y microbiológicos de la leche cruda de vaca, para evaluar su calidad–inocuidad con referencia a la normativa técnica ecuatoriana (INEN009–2012), y a las normativas de otros países: Perú, Colombia, Venezuela, México y Argentina. Se tomaron 203 muestras de leche cruda contenidas en medios de transporte provenientes de 6.214 productores, al ingreso a 28 centros de acopio de la provincia de Cañar, Ecuador. Se realizaron análisis in situ de temperatura, densidad y acidez titulable, mientras que grasa (G), sólidos totales (ST), sólidos no grasos (SNG), proteínas (P), punto de congelación (PC), Conteo de Células Somáticas (CCS), Conteo de Bacterias Totales (CBT), aerobios mesófilos y enterobacterias se realizaron en laboratorios de AGROCALIDAD y de la Universidad de Cuenca. Se observó que en las variables: densidad (15 °C), acidez titulable, G, ST, SNG, P, PC (°C); el 87,5 al 100 % de muestras cumplen, tanto con la normativa ecuatoriana como con las normativas de los países analizados. Las normativas de Colombia y Venezuela tienen valores referenciales más exigentes para densidad, proteína, acidez titulable y SNG, respectivamente. México y Argentina no hacen referencia para ST y Perú no considera proteínas. Sin embargo, los resultados en microbiología son desalentadores, del recuento de aerobios mesófilos solo 8 % de muestras analizadas cumplen la normativa de todos los países. La carga microbiológica es alta, a pesar que ninguna normativa analizada indica máximos para CBT, se encontró una media de 24.000 × 103 unidades formadoras de colonias por mililitro (UFC·mL–1). Como referencia, algunas normativas en EUA fijan un máximo de 300 × 103 UFC·mL–1 de CBT en leches mezcladas. Este trabajo aporta un conocimiento del estado actual de la calidad–inocuidad de la leche cruda de una importante zona lechera del Ecuador y analiza estos resultados en el contexto de normativas internacionales, sirviendo para focalizar esfuerzos en la mejora continua con miras a la exportación.
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Affiliation(s)
| | | | - Omar Santiago Andrade–Guzmán
- Universidad de Cuenca, Facultad de Ciencias Agropecuarias, Laboratorio de Microbiología y Lácteos. Cuenca, Ecuador
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Added Sugar Consumption in Spanish Children (7-12 y) and Nutrient Density of Foods Contributing to Such Consumption: An Observational Study. Nutrients 2023; 15:nu15030560. [PMID: 36771267 PMCID: PMC9921831 DOI: 10.3390/nu15030560] [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: 12/07/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Diets rich in free sugars are associated with an increased risk of obesity. The aim of the present study is to estimate the intake of added sugars in the population of Spanish children and analyze the quality of the foods that contribute to this intake. METHODS An observational study was conducted to collect self-reported information on weekly food consumption in 1775 Spanish children (7-12 years). Nutrient contents were obtained from different databases. Two nutritional density indices were constructed taking into account all nutrients provided and compared with two previously described indices. RESULTS The average consumption of added sugars in Spanish children was 55.7 ± 1.0 g/day. The products that most contributed to added sugar intake were biscuits (13.3%), cocoa powder (11.1%), sweetened yogurts (9.9%), and dairy desserts (8.6%). Among these, dairy products had considerable nutritional value. Parents' perception of nutritional value was not aligned with the actual nutritional value. CONCLUSION The consumption of added sugars was higher than recommended. Public awareness efforts should focus on: (1) the reduction of consumption of low-nutritional quality products containing high amounts of added sugars; (2) the industrial reformulation of most consumed products to reduce sugar content and increase valuable nutrients; and (3) nutritional education.
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Domingo JL. Dioxins and furans in cow milk and dairy products: A review of the scientific literature. INT J DAIRY TECHNOL 2022. [DOI: 10.1111/1471-0307.12917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Jose L Domingo
- School of Medicine, Laboratory of Toxicology and Environmental Health Universitat Rovira i Virgili San Llorenç 21 Reus Catalonia 43201 Spain
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Du A, Zhao F, Liu Y, Xu L, Chen K, Sun D, Han B. Genetic polymorphisms of PKLR gene and their associations with milk production traits in Chinese Holstein cows. Front Genet 2022; 13:1002706. [PMID: 36118870 PMCID: PMC9479125 DOI: 10.3389/fgene.2022.1002706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 08/12/2022] [Indexed: 11/13/2022] Open
Abstract
Our previous work had confirmed that pyruvate kinase L/R (PKLR) gene was expressed differently in different lactation periods of dairy cattle, and participated in lipid metabolism through insulin, PI3K-Akt, MAPK, AMPK, mTOR, and PPAR signaling pathways, suggesting that PKLR is a candidate gene to affect milk production traits in dairy cattle. Here, we verified whether this gene has significant genetic association with milk yield and composition traits in a Chinese Holstein cow population. In total, we identified 21 single nucleotide polymorphisms (SNPs) by resequencing the entire coding region and partial flanking region of PKLR gene, in which, two SNPs were located in 5′ promoter region, two in 5′ untranslated region (UTR), three in introns, five in exons, six in 3′ UTR and three in 3′ flanking region. The single marker association analysis displayed that all SNPs were significantly associated with milk yield, fat and protein yields or protein percentage (p ≤ 0.0497). The haplotype block containing all the SNPs, predicted by Haploview, had a significant association with fat yield and protein percentage (p ≤ 0.0145). Further, four SNPs in 5′ regulatory region and eight SNPs in UTR and exon regions were predicted to change the transcription factor binding sites (TFBSs) and mRNA secondary structure, respectively, thus affecting the expression of PKLR, leading to changes in milk production phenotypes, suggesting that these SNPs might be the potential functional mutations for milk production traits in dairy cattle. In conclusion, we demonstrated that PKLR had significant genetic effects on milk production traits, and the SNPs with significant genetic effects could be used as candidate genetic markers for genomic selection (GS) in dairy cattle.
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Affiliation(s)
- Aixia Du
- National Engineering Laboratory of Animal Breeding, Key Laboratory of Animal Genetics, Department of Animal Genetics and Breeding, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | | | - Yanan Liu
- National Engineering Laboratory of Animal Breeding, Key Laboratory of Animal Genetics, Department of Animal Genetics and Breeding, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Lingna Xu
- National Engineering Laboratory of Animal Breeding, Key Laboratory of Animal Genetics, Department of Animal Genetics and Breeding, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Kewei Chen
- Yantai Institute, China Agricultural University, Yantai, China
| | - Dongxiao Sun
- National Engineering Laboratory of Animal Breeding, Key Laboratory of Animal Genetics, Department of Animal Genetics and Breeding, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Bo Han
- National Engineering Laboratory of Animal Breeding, Key Laboratory of Animal Genetics, Department of Animal Genetics and Breeding, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
- *Correspondence: Bo Han, /
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