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International Journal of Medicinal Mushrooms
Factor de Impacto: 1.423 Factor de Impacto de 5 años: 1.525 SJR: 0.431 SNIP: 0.661 CiteScore™: 1.38

ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344

Volumes:
Volumen 22, 2020 Volumen 21, 2019 Volumen 20, 2018 Volumen 19, 2017 Volumen 18, 2016 Volumen 17, 2015 Volumen 16, 2014 Volumen 15, 2013 Volumen 14, 2012 Volumen 13, 2011 Volumen 12, 2010 Volumen 11, 2009 Volumen 10, 2008 Volumen 9, 2007 Volumen 8, 2006 Volumen 7, 2005 Volumen 6, 2004 Volumen 5, 2003 Volumen 4, 2002 Volumen 3, 2001 Volumen 2, 2000 Volumen 1, 1999

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v15.i3.10
pages 223-232

The Cloning, Characterization, and Functional Analysis of a Gene Encoding an Isopentenyl Diphosphate Isomerase Involved in Triterpene Biosynthesis in the Lingzhi or Reishi Medicinal Mushroom Ganoderma lucidum (Higher Basidiomycetes)

Feng-Li Wu
Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China
Liang Shi
College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture, Nanjing 210095, Jiangsu, People's Republic of China
Jian Yao
Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China
Ang Ren
Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China
Chao Zhou
Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China
Dashuai Mu
College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China; College of Marine Science, Shandong University (Weihai), Weihai, People's Republic of China
Mingwen Zhao
Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Jiangsu, Nanjing, People's Republic of China

SINOPSIS

An isopentenyl diphosphate isomerase (IDI) gene, GlIDI, was isolated from Ganoderma lucidum, which produces triterpenes through the mevalonate pathway. The open reading frame of GlIDI encodes a 252 amino acid polypeptide with a theoretical molecular mass of 28.71 kDa and a theoretical isoelectric point of 5.36. GlIDI is highly homologous to other fungal IDIs and contains conserved active residues and nudix motifs shared by the IDI protein family. The color complementation assay indicated that GlIDI can accelerate the accumulation of β-carotene and confirmed that the cloned complementary DNA encoded a functional GlIDI protein. Gene expression analysis showed that the GlIDI transcription level was relatively low in the mycelia and reached a relatively high level in the mushroom primordia. In addition, its expression level could be up-regulated by 254 µM methyl jasmonate. Our results suggest that this enzyme may play an important role in triterpene biosynthesis.