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Function of pathway specific regulators in the ACE1 and pyrichalasin H biosynthetic gene clusters

机译:通路特异性调节剂在ACE1和吡ich菌素H生物合成基因簇中的功能

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Ectopic expression of BC1 which encodes a putative pathway specific transcription factor from the ACE1 biosynthetic gene cluster of the rice pathogen Pyricularia oryzae Guy11 did not lead to the production of ACE1 -related compounds. However the known compound hinnulin A was formed. A putative partial gene cluster potentially involved in the biosynthesis of hinnulin A and DHN melanin was validated by RT-PCR and a possible biosynthetic pathway is proposed. Ectopic expression of pyiR which encodes a pathway specific transcription factor from the pyrichalasin H biosynthetic gene cluster in Magnaporthe grisea NI980 led to the apparent up-regulation of the pyi cluster and a 3-fold increase in pyrichalasin production under standard fermentation conditions, but did not lead to the formation of new compounds.
机译:BC1异位表达编码水稻病原体Pyricularia oryzae Guy11的ACE1生物合成基因簇的推定途径特异性转录因子,但未导致ACE1相关化合物的产生。然而,形成了已知的化合物hinnulinA。通过RT-PCR验证了可能参与hinnulin A和DHN黑色素生物合成的部分基因簇,并提出了可能的生物合成途径。 pyiR的异位表达编码了稻瘟病菌NI980中从比色菌素H生物合成基因簇中的途径特异性转录因子,导致pyi簇明显上调,在标准发酵条件下,比色菌素产量增加了3倍,但没有导致形成新化合物。

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