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Characterisation of sugar nucleotides in colostrum of dairy domestic farms animals
International Dairy Journal ( IF 3.1 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.idairyj.2020.104897
Yuri Mineguchi , Kyosuke Goto , Yuna Sudo , Kentaro Hirayama , Hirotoshi Kashiwagi , Izumi Sasagase , Haruki Kitazawa , Sadaki Asakuma , Kenji Fukuda , Tadasu Urashima

Abstract The biological significance and heterogeneity of bovine, caprine and ovine colostrum sugar nucleotides is unclear. Colostrum sugar nucleotides and sugar monophosphates were purified and characterised with 1H-NMR spectroscopy. UDP-galactose (UDP-Gal) and UDP-glucose (UDP-Glc) were identified in colostrum of Holstein and Brown Swiss cows; UDP-Gal, UDP-Glc, UDP-N-acetylgalactosamine (UDP-GalNAc) and UDP-N-acetylglucosamine (UDP-GlcNAc) were found in Japanese Saanen goat colostrum. UDP-Gal, UDP-Glc, UDP-GalNAc and UDP-GlcNAc were found in Corriedale sheep but not in the Suffolk and Fraise Land breeds. The presence/absence of these sugar nucleotides in colostrum is heterogeneous among dairy domestic farm animals and the three sheep breeds. In addition, a nucleotide, uridine‐ribose diphosphate (UDP) was identified in the colostra of Japanese Saanen goat, and Suffolk and Fraiseland sheep, while uridine-ribose monophosphate (UMP) was detected in the colostrum of Brown Swiss cow and the three breed sheep. N-acetylglucosamine-1-phosphate (GlcNAc-1-P) was also identified in the colostrum of the goat and two cow breeds.

中文翻译:

奶牛初乳中糖核苷酸的表征

摘要 牛、山羊和绵羊初乳糖核苷酸的生物学意义和异质性尚不清楚。初乳糖核苷酸和糖一磷酸被纯化并用 1 H-NMR 光谱表征。UDP-半乳糖 (UDP-Gal) 和 UDP-葡萄糖 (UDP-Glc) 在荷斯坦奶牛和布朗瑞士奶牛的初乳中得到鉴定;在日本 Saanen 山羊初乳中发现了 UDP-Gal、UDP-Glc、UDP-N-乙酰半乳糖胺 (UDP-GalNAc) 和 UDP-N-乙酰氨基葡萄糖 (UDP-GlcNAc)。UDP-Gal、UDP-Glc、UDP-GalNAc 和 UDP-GlcNAc 在 Corriedale 绵羊中被发现,但在 Suffolk 和 Fraise Land 品种中没有。初乳中这些糖核苷酸的存在/不存在在奶牛家畜和三个绵羊品种之间是异质的。此外,一个核苷酸,在日本萨能山羊、萨福克羊和弗赖斯兰羊的初乳中发现了尿苷-核糖二磷酸 (UDP),而在瑞士褐牛和三个品种绵羊的初乳中检测到了尿苷-核糖二磷酸 (UMP)。N-乙酰氨基葡萄糖-1-磷酸(GlcNAc-1-P)也在山羊和两个奶牛品种的初乳中被发现。
更新日期:2021-02-01
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