Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii

Sanghuangporus baumii (Pilát) (Zhou and Dai), a traditional Chinese medicinal fungus, has been confirmed to produce triterpenoids, which possess a good anti-cancer effect. However, the triterpenoids yield of S. baumii is low and its biosynthetic mechanism is not clearly understood. To investigate th...

Full description

Bibliographic Details
Main Authors: Zengcai Liu, Shixin Wang, Xinru Xu, Shuting Wang, Tingting Sun, Li Zou
Format: Article
Language:English
Published: Taylor & Francis Group 2021-01-01
Series:Biotechnology & Biotechnological Equipment
Subjects:
Online Access:http://dx.doi.org/10.1080/13102818.2021.1929482
id doaj-cad5e902a5b24d8aadd915e61bbc0c0d
record_format Article
spelling doaj-cad5e902a5b24d8aadd915e61bbc0c0d2021-06-21T12:25:18ZengTaylor & Francis GroupBiotechnology & Biotechnological Equipment1310-28181314-35302021-01-0135179680410.1080/13102818.2021.19294821929482Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumiiZengcai Liu0Shixin Wang1Xinru Xu2Shuting Wang3Tingting Sun4Li Zou5Department of Forest Protection, College of Forestry, Northeast Forestry UniversityDepartment of Forest Protection, College of Forestry, Northeast Forestry UniversityDepartment of Biological Sciences, College of Life Science, Northeast Forestry UniversityDepartment of Forest Protection, College of Forestry, Northeast Forestry UniversityDepartment of Food Science and Engineering, College of Food Engineering, Harbin UniversityDepartment of Forest Protection, College of Forestry, Northeast Forestry UniversitySanghuangporus baumii (Pilát) (Zhou and Dai), a traditional Chinese medicinal fungus, has been confirmed to produce triterpenoids, which possess a good anti-cancer effect. However, the triterpenoids yield of S. baumii is low and its biosynthetic mechanism is not clearly understood. To investigate the triterpenoids biosynthetic mechanism, the whole cDNA sequence of the HMG-CoA reductase (HMGR) gene was obtained. The open reading frame of HMGR gene cDNA named SbHMGR, comprised 4170 bp, encoding a polypeptide of 1389 amino acids with a predicted protein molecular weight of 147.53 kDa. The HMGR gene includes four exons and three introns. Subsequently, the triterpenoids content was determined at different developmental stages of S. baumii. It showed a dynamic tendency—increased first, then decreased and peaked on 14th day in the mycelium stage. In addition, the changing trend of SbHMGR enzyme activity and transcript level of SbHMGR gene were measured. They were nearly consistent with the triterpenoids content, suggesting that SbHMGR gene may play a key regulatory role in triterpenoids biosynthetic pathway. Similarly, changes in the transcript level of downstream key genes (SbMVD, SbIDI, SbLSD) of SbHMGR gene were also positively correlated with the triterpenoids content, indicating those three genes were also involved in triterpenoids biosynthetic pathway. Moreover, SbHMGR gene had been observed to be expressed in prokaryote. The results will be valuable for elucidation of the biosynthetic pathway of triterpenoids in S. baumii, lay a foundation for genetic modifications to improve triterpenoids yield.http://dx.doi.org/10.1080/13102818.2021.1929482 sanghuangporus baumii hmg-coa reductasetriterpenoidsbioinformaticsquantitative real time pcrprokaryotic expression
collection DOAJ
language English
format Article
sources DOAJ
author Zengcai Liu
Shixin Wang
Xinru Xu
Shuting Wang
Tingting Sun
Li Zou
spellingShingle Zengcai Liu
Shixin Wang
Xinru Xu
Shuting Wang
Tingting Sun
Li Zou
Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii
Biotechnology & Biotechnological Equipment
sanghuangporus baumii
hmg-coa reductase
triterpenoids
bioinformatics
quantitative real time pcr
prokaryotic expression
author_facet Zengcai Liu
Shixin Wang
Xinru Xu
Shuting Wang
Tingting Sun
Li Zou
author_sort Zengcai Liu
title Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii
title_short Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii
title_full Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii
title_fullStr Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii
title_full_unstemmed Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii
title_sort molecular cloning and characterization of a gene encoding hmg-coa reductase involved in triterpenoids biosynthetic pathway from sanghuangporus baumii
publisher Taylor & Francis Group
series Biotechnology & Biotechnological Equipment
issn 1310-2818
1314-3530
publishDate 2021-01-01
description Sanghuangporus baumii (Pilát) (Zhou and Dai), a traditional Chinese medicinal fungus, has been confirmed to produce triterpenoids, which possess a good anti-cancer effect. However, the triterpenoids yield of S. baumii is low and its biosynthetic mechanism is not clearly understood. To investigate the triterpenoids biosynthetic mechanism, the whole cDNA sequence of the HMG-CoA reductase (HMGR) gene was obtained. The open reading frame of HMGR gene cDNA named SbHMGR, comprised 4170 bp, encoding a polypeptide of 1389 amino acids with a predicted protein molecular weight of 147.53 kDa. The HMGR gene includes four exons and three introns. Subsequently, the triterpenoids content was determined at different developmental stages of S. baumii. It showed a dynamic tendency—increased first, then decreased and peaked on 14th day in the mycelium stage. In addition, the changing trend of SbHMGR enzyme activity and transcript level of SbHMGR gene were measured. They were nearly consistent with the triterpenoids content, suggesting that SbHMGR gene may play a key regulatory role in triterpenoids biosynthetic pathway. Similarly, changes in the transcript level of downstream key genes (SbMVD, SbIDI, SbLSD) of SbHMGR gene were also positively correlated with the triterpenoids content, indicating those three genes were also involved in triterpenoids biosynthetic pathway. Moreover, SbHMGR gene had been observed to be expressed in prokaryote. The results will be valuable for elucidation of the biosynthetic pathway of triterpenoids in S. baumii, lay a foundation for genetic modifications to improve triterpenoids yield.
topic sanghuangporus baumii
hmg-coa reductase
triterpenoids
bioinformatics
quantitative real time pcr
prokaryotic expression
url http://dx.doi.org/10.1080/13102818.2021.1929482
work_keys_str_mv AT zengcailiu molecularcloningandcharacterizationofageneencodinghmgcoareductaseinvolvedintriterpenoidsbiosyntheticpathwayfromsanghuangporusbaumii
AT shixinwang molecularcloningandcharacterizationofageneencodinghmgcoareductaseinvolvedintriterpenoidsbiosyntheticpathwayfromsanghuangporusbaumii
AT xinruxu molecularcloningandcharacterizationofageneencodinghmgcoareductaseinvolvedintriterpenoidsbiosyntheticpathwayfromsanghuangporusbaumii
AT shutingwang molecularcloningandcharacterizationofageneencodinghmgcoareductaseinvolvedintriterpenoidsbiosyntheticpathwayfromsanghuangporusbaumii
AT tingtingsun molecularcloningandcharacterizationofageneencodinghmgcoareductaseinvolvedintriterpenoidsbiosyntheticpathwayfromsanghuangporusbaumii
AT lizou molecularcloningandcharacterizationofageneencodinghmgcoareductaseinvolvedintriterpenoidsbiosyntheticpathwayfromsanghuangporusbaumii
_version_ 1721368220729868288