Shao-kai TIAN, Jia-ming HOU, Zhi-qiang GAO, et al. Cloning and Bioinformatic Analysis of ARPI Gene from Glycyrrhiza glabra[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(4): 185-190.
DOI:
Shao-kai TIAN, Jia-ming HOU, Zhi-qiang GAO, et al. Cloning and Bioinformatic Analysis of ARPI Gene from Glycyrrhiza glabra[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(4): 185-190. DOI: 10.13422/j.cnki.syfjx.20191951.
Cloning and Bioinformatic Analysis of ARPI Gene from Glycyrrhiza glabra
To clone the complementary deoxyribonucleic acid (cDNA) of auxin/indole acetic acid protein (Aux/IAA) from
Glycyrrhiza glabra
(GgARPI) and analyze its sequence by bioinformatics.
Method:
2
RNA was extracted from fresh root of
G
.
glabra
the cDNA sequence of
GgARPI
gene was cloned by reverse transcription polymerase chain reaction (RT-PCR)
then sequencing and bioinformatic analysis were performed.
Result:
2
The
GgARPI
cDNA sequence with the full length of 686 bp was obtained from
G
.
glabra
. The full open reading frame (ORF) was 585 bp
encoding 194 amino acid residues. The bioinformatic analysis showed that the protein coded by
GgARPI
was a stable hydrophilic protein
with a relative molecular weight of 21.95 kDa and isoelectric point of 6.85.It contained no signal peptides or transmembrane domain. Its secondary structure mainly consisted of random coil. An Aux/IAA superfamily was included in the conversed domain. Homology analysis indicated that it had a close evolutionary relationship with leguminous plants
and a distant evolutionary relationship with monocotyledon
such as
Setaria italica
.
Conclusion:
2
GgARPI
cDNA sequence is successfully cloned from
G
.
glabra
for the first time
which will lay a foundation for studying the function of
GgARPI
and explaining the molecular regulatory mechanism of biosynthesis of glycyrrhizic acid in
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