ArticleMolecular biology reports2012
Association of polymorphism of the β(1, 4)-galactosyltransferase-I gene with milk production traits in Holsteins.
Article in Molecular biology reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Investigation of selection signatures of dairy goats using whole-genome sequencing data.BMC genomics · 2025Article
- Comparative genomic analysis uncovers candidate genes related with milk production and adaptive traits in goat breeds.Scientific reports · 2023Article
- Using QTL to Identify Genes and Pathways Underlying the Regulation and Production of Milk Components in Cattle.Animals : an open access journal from MDPI · 2023Review
- Article
- A Comparative Review of the Extrinsic and Intrinsic Factors Regulating Lactose Synthesis.Journal of mammary gland biology and neoplasia · 2021Review
- Association of UDP-galactose-4-epimerase with milk protein concentration in the Chinese Holstein population.Asian-Australasian journal of animal sciences · 2020Article
- RNA-Seq reveals 10 novel promising candidate genes affecting milk protein concentration in the Chinese Holstein population.Scientific reports · 2016Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The β(1,4)-galactosyltransferase-I gene (β4galt1) encodes the catalytic part of the enzyme lactose synthase, responsible of lactose synthesis in the mammary gland. The complete coding region of the gene was screened for the presence of allelic variation among a sample of 1,200 Iranian Holstein cows, using PCR-SSCP technique followed by sequencing. Nine polymorphic nucleotide sites were identified-one in exons I and VI, two in exons II and III, and three in exon V. Altogether 18 different genotypes were assigned. Statistical analysis showed that the genotypes of Β4GALT1 significantly affect milk, lactose, protein and total solid productions in both the first and second lactation (P < 0.001). Variance component analysis considering restricted maximum likelihood showed that the major factor making differences in milk, lactose, protein and total solid productions among the studied cow is the β4galt1 genotype. We concluded that the β4galt1 gene is potentially associated with milk production traits in dairy cows and should be considered for further studies on genetics of the milk production traits.
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