Article (Scientific journals)
A novel method revealing animal evolutionary relationships based on milk Mid-infrared
Fan, Yikai; Han, Jiazheng; Wang, Haitong et al.
2022In Biorxiv
 

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Keywords :
mid-infrared spectra; milk of mammals; evolutionary relationship; genetic distance; machine learning
Abstract :
[en] AbstractMid-infrared spectra (MIRS) can effectively reflect the chemical bonds in milk, which has been widely used in dairy herd improvement. However, the relationship between MIRS and animal evolution remains largely unclear. This study firstly found great differences in MIRS and the components of milk by analyzing MIRS information of 12 different mammal species. A five-level discriminant model of evolutionary level based on MIRS was established with a test set kappa coefficient >0.97. In addition, a regression model of genetic distance was also established to estimate the genetic distance of different animal species with a correlation coefficient of R >0.94. These results showed that this method could be used for accurate mammalian evolutionary relationship assessment. We further clarified the potential relationship between MIRS and genes, such as PPP3CA and SCD that could change MIRS by regulating specific milk components. In conclusion, we expand the application of MIRS in animal species identification and evolution research and provide new perspectives for the research on the formation mechanism of different animal milk special components.
Disciplines :
Animal production & animal husbandry
Author, co-author :
Fan, Yikai
Han, Jiazheng
Wang, Haitong
Nan, Liangkang
Luo, Xuelu
Chu, Chu
Wang, Liang
Liu, Li
Li, Yongqing
Li, Chunfang
Ren, Xiaoli
Ding, Lei
Liu, Wenju
Hao, Xingjie
Chen, Yansen  ;  Université de Liège - ULiège > TERRA Research Centre
Liu, George E. 
Zhou, Yang
Zhang, Shujun 
More authors (8 more) Less
Language :
English
Title :
A novel method revealing animal evolutionary relationships based on milk Mid-infrared
Publication date :
20 November 2022
Journal title :
Biorxiv
Publisher :
Cold Spring Harbor Laboratory
Available on ORBi :
since 30 December 2022

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