Controlling a structural branch point in ergot alkaloid biosynthesis.
Controlling a structural branch point in ergot alkaloid biosynthesis.
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DOI:
10.1021/ja105785p
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发表时间:
2010-09-22
影响因子:
15
通讯作者:
O'Connor, Sarah E.
中科院分区:
文献类型:
--
作者:
Cheng, Johnathan Z.;Coyle, Christine M.;Panaccione, Daniel G.;O'Connor, Sarah E.
The ergot alkaloids are a diverse class of fungal-derived indole alkaloid natural products with potent pharmacological activities. The biosynthetic intermediate chanoclavine-I aldehyde 1 represents a branch point in ergot biosynthesis. Ergot alkaloids festuclavine 2 and agroclavine 3 derive from alternate enzymatic pathways originating from the common biosynthetic precursor chanoclavine-I aldehyde 1. Here we show that while the Old Yellow Enzyme homolog EasA from the ergot biosynthetic gene cluster of Aspergillus fumigatus acts on chanoclavine-I aldehyde 1 to yield festuclavine 2, EasA from Neotyphodium lolii, in contrast, produces agroclavine 3. Mutational analysis suggests a mechanistic rationale for the switch in activity that controls this critical branch point of ergot alkaloid biosynthesis.
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影响因子:
4.8
作者:
Kohli, RM;Massey, V
通讯作者:
Massey, V
影响因子:
4.4
作者:
Coyle, Christine M.;Cheng, Johnathan Z.;Panaccione, Daniel G.
通讯作者:
Panaccione, Daniel G.
影响因子:
15
作者:
FLOSS, HG;TCHENGLI.M;CASSADY, JM
通讯作者:
CASSADY, JM
DOI:
10.1016/s1099-4831(06)63002-2
发表时间:
2006-01-01
期刊:
ALKALOIDS: CHEMISTRY AND BIOLOGY, VOL 63
影响因子:
--
作者:
Schardl, Christopher L.;Panaccione, Daniel G.;Tudzynski, Paul
通讯作者:
Tudzynski, Paul
影响因子:
4.4
作者:
Coyle, CM;Panaccione, DG
通讯作者:
Panaccione, DG