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首页> 外文期刊>Zoological Science >Identification of p-cresol as an estrus-specific volatile in buffalo saliva: comparative docking analysis of buffalo OBP and beta -lactoglobulin with p-cresol.
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Identification of p-cresol as an estrus-specific volatile in buffalo saliva: comparative docking analysis of buffalo OBP and beta -lactoglobulin with p-cresol.

机译：对甲酚在水牛唾液中作为发情特定挥发物的鉴定：对牛甲OBP和β-乳球蛋白与对甲酚的比较对接分析。

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摘要

Assessment of salivary volatile compounds adopting gas chromatography-linked mass spectrometry (GC-MS) analysis revealed the presence of a total of 11 compounds in the buffalo saliva irrespective of the stages in the reproductive cycle. p-cresol was identified as an estrus-specific volatile compound in the saliva. In addition, modeling of odorant-binding protein (OBP) and beta -lactoglobulin revealed that OBP is highly stable and has strong binding affinity with p-cresol. Hydrogen bond interactions indicated that OBP is responsible for pheromone release through saliva. In contrast, beta -lactoglobulin, which belongs to the same lipocalin family as OBP, possesses less affinity to p-cresol than OBP, suggesting that it is not involved in p-cresol binding and transport. Phylogenetic characterization revealed that bovine family of OBP is separately clustered. It is suggested that p-cresol has the potential to be developed as a biomarker to detect the reproductive status in the buffalo and for behavioral manipulations.
机译：通过气相色谱联用质谱（GC-MS）分析评估唾液中的挥发性化合物，发现水牛唾液中总共存在11种化合物，与生殖周期的各个阶段无关。对甲酚被鉴定为唾液中发情特异的挥发性化合物。此外，对气味结合蛋白（OBP）和β-乳球蛋白的建模表明，OBP高度稳定，并且与对甲酚具有很强的结合亲和力。氢键相互作用表明OBP负责通过唾液释放信息素。相反，β-乳球蛋白与OBP属于相同的脂钙蛋白家族，与OBP的对甲酚亲和力较小，这表明它不参与对甲酚的结合和转运。系统发生学研究表明，OBP的牛科是单独集群的。有人提出，对甲酚有可能被开发为一种生物标志物，以检测水牛的繁殖状况并进行行为操纵。

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