Genomewide annotation and comparative genomics of cytochrome P450 monooxygenases (P450s) in the polypore species Bjerkandera adusta, Ganoderma sp. and Phlebia brevispora.

Khajamohiddin Syed, David Nelson, Robert Riley, Jagjit S. Yadav

Research output: Contribution to journalArticle

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Abstract

Genomewide annotation of cytochrome P450 monooxygenases (P450s) in three white-rot species of the fungal order Polyporales, namely Bjerkandera adusta, Ganoderma sp. and Phlebia brevispora, revealed a large contingent of P450 genes (P450ome) in their genomes. A total of 199 P450 genes in B. adusta and 209 P450 genes each in Ganoderma sp. and P. brevispora were identified. These P450omes were classified into families and subfamilies as follows: B. adusta (39 families, 86 subfamilies), Ganoderma sp. (41 families, 105 subfamilies) and P. brevispora (42 families, 111 subfamilies). Of note, the B. adusta genome lacked the CYP505 family (P450foxy), a group of P450-CPR fusion proteins. The three polypore species revealed differential enrichment of individual P450 families in their genomes. The largest CYP families in the three genomes were CYP5144 (67 P450s), CYP5359 (46 P450s) and CYP5344 (43 P450s) in B. adusta, Ganoderma sp. and P. brevispora, respectively. Our analyses showed that tandem gene duplications led to expansions in certain P450 families. An estimated 33% (72 P450s), 28% (55 P450s) and 23% (49 P450s) of P450ome genes were duplicated in P. brevispora, B. adusta and Ganoderma sp., respectively. Family-wise comparative analysis revealed that 22 CYP families are common across the three Polypore species. Comparative P450ome analysis with Ganoderma lucidum revealed the presence of 143 orthologs and 56 paralogs in Ganoderma sp. Multiple P450s were found near the characteristic biosynthetic genes for secondary metabolites, namely polyketide synthase (PKS), non-ribosomal peptide synthetase (NRPS), terpene cyclase and terpene synthase in the three genomes, suggesting a likely role of these P450s in secondary metabolism in these Polyporales. Overall, the three species had a richer P450 diversity both in terms of the P450 genes and P450 subfamilies as compared to the model white-rot and brown-rot polypore species Phanerochaete chrysosporium and Postia placenta.

Original languageEnglish (US)
Pages (from-to)1445-1455
Number of pages11
JournalMycologia
Volume105
Issue number6
DOIs
StatePublished - Jan 1 2013

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Bjerkandera adusta
Coriolaceae
Ganoderma
Genomics
Mixed Function Oxygenases
cytochrome P-450
Cytochrome P-450 Enzyme System
cytochrome
genomics
genome
Polyporales
gene
Genome
genes
terpenoids
Genes
Rhodonia placenta
terpene
Phanerochaete chrysosporium
polyketide synthases

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

Genomewide annotation and comparative genomics of cytochrome P450 monooxygenases (P450s) in the polypore species Bjerkandera adusta, Ganoderma sp. and Phlebia brevispora. / Syed, Khajamohiddin; Nelson, David; Riley, Robert; Yadav, Jagjit S.

In: Mycologia, Vol. 105, No. 6, 01.01.2013, p. 1445-1455.

Research output: Contribution to journalArticle

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abstract = "Genomewide annotation of cytochrome P450 monooxygenases (P450s) in three white-rot species of the fungal order Polyporales, namely Bjerkandera adusta, Ganoderma sp. and Phlebia brevispora, revealed a large contingent of P450 genes (P450ome) in their genomes. A total of 199 P450 genes in B. adusta and 209 P450 genes each in Ganoderma sp. and P. brevispora were identified. These P450omes were classified into families and subfamilies as follows: B. adusta (39 families, 86 subfamilies), Ganoderma sp. (41 families, 105 subfamilies) and P. brevispora (42 families, 111 subfamilies). Of note, the B. adusta genome lacked the CYP505 family (P450foxy), a group of P450-CPR fusion proteins. The three polypore species revealed differential enrichment of individual P450 families in their genomes. The largest CYP families in the three genomes were CYP5144 (67 P450s), CYP5359 (46 P450s) and CYP5344 (43 P450s) in B. adusta, Ganoderma sp. and P. brevispora, respectively. Our analyses showed that tandem gene duplications led to expansions in certain P450 families. An estimated 33{\%} (72 P450s), 28{\%} (55 P450s) and 23{\%} (49 P450s) of P450ome genes were duplicated in P. brevispora, B. adusta and Ganoderma sp., respectively. Family-wise comparative analysis revealed that 22 CYP families are common across the three Polypore species. Comparative P450ome analysis with Ganoderma lucidum revealed the presence of 143 orthologs and 56 paralogs in Ganoderma sp. Multiple P450s were found near the characteristic biosynthetic genes for secondary metabolites, namely polyketide synthase (PKS), non-ribosomal peptide synthetase (NRPS), terpene cyclase and terpene synthase in the three genomes, suggesting a likely role of these P450s in secondary metabolism in these Polyporales. Overall, the three species had a richer P450 diversity both in terms of the P450 genes and P450 subfamilies as compared to the model white-rot and brown-rot polypore species Phanerochaete chrysosporium and Postia placenta.",
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