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2011 | 33 | 3 |
Tytuł artykułu

Molecular cloning and expression analysis of a new putative gene encoding 3-hydroxy-3-methylglutaryl-CoA synthase from Salvia miltriorrhiza

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A new putative gene encoding 3-hydroxy-3-methylglutaryl coenzyme A synthase (designated as SmHMGS, GenBank Accession No. FJ785326), which catalyses the condensation of acetyl-CoA and acetoacetyl-CoA to form 3-hydroxy-3-methylglutaryl-CoA as an early step in the mevalonic acid pathway, was isolated from young leaves of Salvia miltiorrhiza by rapid amplification of cDNA ends (RACE) for the first time. The full-length cDNA of the putative SmHMGS was 1,655 bp containing a 1,381 bp open reading frame (ORF) encoding a polypeptide of 460 amino acids. Comparative and bioinformatic analyses revealed that SmHMGS showed extensive homology with HMGSs from other plant species. Phylogenetic tree analysis indicated that SmHMGS belonged to the plant HMGS super family and had the closest relationship with HMGS from Hevea brasiliensis. Tissue expression pattern analysis revealed that the putative SmHMGS was constitutively expressed in all the tested tissues and strong in leaf, moderate in stem, weak in root, which was in contrast to SmHMGR reported before. The putative SmHMGS was found to be an elicitor-responsive gene, which could be induced by exogenous elicitors, including salicylic acid (SA) and methyl jasmonate (MJ). These results will help in understanding the role of HMGS in tanshinones biosynthesis in S. miltiorrhiza.
Słowa kluczowe
EN
Wydawca
-
Rocznik
Tom
33
Numer
3
Opis fizyczny
p.953-961,fig.,ref.
Twórcy
autor
  • Department of Pharmacy, Shaoxing People's Hospital, 312000 Shaoxing, People's Republic of China
autor
  • Laboratory of Plant Biotechnology, College of Life and Environment Sciences, Shanghai Normal University, 200234 Shanghai, People's Republic of China
autor
  • Laboratory of Plant Biotechnology, College of Life and Environment Sciences, Shanghai Normal University, 200234 Shanghai, People's Republic of China
autor
  • Laboratory of Plant Biotechnology, College of Life and Environment Sciences, Shanghai Normal University, 200234 Shanghai, People's Republic of China
autor
  • Laboratory of Plant Biotechnology, College of Life and Environment Sciences, Shanghai Normal University, 200234 Shanghai, People's Republic of China
autor
  • Laboratory of Plant Biotechnology, College of Life and Environment Sciences, Shanghai Normal University, 200234 Shanghai, People's Republic of China
Bibliografia
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