›› 2019, Vol. 46 ›› Issue (1): 174-184.doi: 10.16431/j.cnki.1671-7236.2019.01.020

• Genetics and Breeding • Previous Articles     Next Articles

Cloning of ALDH1A1 Gene CDS Sequence and Its Expression Difference of Different Tissues in Yanhuang Cattle

HU Zhongchang1,2, CAO Yang2, WU Jian2, QIN Lihong2, JIN Haiguo2, ZHAO Yumin1,2   

  1. 1. Branch of Animal Husbandry, Jilin Academy of Agricultural Science, Gongzhuling 136100, China;
    2. Agricultural College of Yanbian University, Yanji 133002, China
  • Received:2018-05-22 Online:2019-01-20 Published:2019-01-19

Abstract:

To explore the function of acetaldehyde dehydrogenase 1A1 (ALDH1A1) gene,16-month-old Yanhuang cattle were used as subjects,and total RNA were collected from the heart,liver,lung,kidney,stomach,duodenum,subcutaneous fat and longissimus dorsi after slaughter.According to the ALDH1A1 gene sequence published in GenBank(accession No.:NM_174239.2),primers were designed using Oligo 7.0 software,ALDH1A1 gene was amplified by RT-PCR,and the amplification product was connected into pMD18-T vector for clonging and sequencing.The complete CDS sequence of ALDH1A1 gene in Yanhuang cattle was obtained,the nucleotide sequences and its protein structures were analyzed using bioinformatics softwares.Then using the total RNA from different tissues of Yanhuang cattle as a template,the quantitative expression of ALDH1A1 gene in different tissues of Yanhuang cattle was detected by Real-time quantitative PCR.The results showed that the length of CDS sequence of ALDH1A1 gene was 1 506 bp,which encoded 501 amino acids.The homology of the ALDH1A1 gene sequence with bison and cattle was ≥ 99.7%,and its homology with cats and leopards were 89.4% and 89.6%,respectively,which was in accordance with species evolution rules.The molecular weight of ALDH1A1 was 54.805 ku,the isoelectric point was 7.16;A relatively strong hydrophilicity accounted for 86.4%;acidic and basic amino acids accounted for 11.4% and 12.2%,respectively.ALDH1A1 was soluble proteins,which was not secretory proteins,but there was no typical signal peptide cleavage site.There were 31 amino acid phosphorylation sites (score > 0.5).The secondary structure of ALDH1A1 protein in Yanhuang cattle contained alpha helix,extended chain,beta turn and random coil,which accounted for 42.12%,16.17%,8.18% and 33.53%,respectively,which were identical to the predicted structure of the tertiary structure of ALDH1A1 protein.Real-time quantitative PCR results showed that ALDH1A1 gene was extremely significantly expressed in liver,stomach,subcutaneous fat,duodenum and kidney tissues (P < 0.01),and significantly expressed in longissimus dorsi (P < 0.05) of Yanhuang cattle,respectively.This study results provided a reference for further research on the function of ALDH1A1 gene and the screening of meat gene in Yanhuang cattle.

Key words: Yanhuang cattle; ALDH1A1 gene; clone; expression difference; bioinformatics

CLC Number: