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Talaromyces atroroseus a New Species Efficiently Producing Industrially Relevant Red Pigments

机译:Talaromyces atroroseus一种有效生产与工业相关的红色颜料的新物种

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摘要

Some species of Talaromyces secrete large amounts of red pigments. Literature has linked this character to species such as Talaromyces purpurogenus, T. albobiverticillius, T. marneffei, and T. minioluteus often under earlier Penicillium names. Isolates identified as T. purpurogenus have been reported to be interesting industrially and they can produce extracellular enzymes and red pigments, but they can also produce mycotoxins such as rubratoxin A and B and luteoskyrin. Production of mycotoxins limits the use of isolates of a particular species in biotechnology. Talaromyces atroroseus sp. nov., described in this study, produces the azaphilone biosynthetic families mitorubrins and Monascus pigments without any production of mycotoxins. Within the red pigment producing clade, T. atroroseus resolved in a distinct clade separate from all the other species in multigene phylogenies (ITS, β-tubulin and RPB1), which confirm its unique nature. Talaromyces atroroseus resembles T. purpurogenus and T. albobiverticillius in producing red diffusible pigments, but differs from the latter two species by the production of glauconic acid, purpuride and ZG–1494α and by the dull to dark green, thick walled ellipsoidal conidia produced. The type strain of Talaromyces atroroseus is CBS 133442
机译:某些Talaromyces物种分泌大量红色颜料。文献将这种特性与通常以较早的青霉菌命名的紫罗兰Talaromyces purpurogenus,T。albobiverticillius,T。marneffei和T. minioluteus等物种联系起来。据报道,鉴定为紫癜杆菌的分离株在工业上是令人关注的,它们可以产生细胞外酶和红色色素,但是它们也可以产生霉菌毒素,如风疹毒素A和B以及卢妥斯基林。霉菌毒素的产生限制了生物技术中特定物种分离物的使用。黄萎病菌这项研究中描述的nov。产生了azaphilone生物合成家族的丝裂霉素和红曲霉色素,而没有产生霉菌毒素。在产生红色色素的进化枝中,T。atroroseus在与所有其他物种分离的独特进化枝中分离出多基因系统发育史(ITS,β-微管蛋白和RPB1),这证实了其独特的性质。 a。talaromyces atroroseus与T. purpurogenus和T. albobiverticillius类似,产生红色的可扩散颜料,但与后两个物种的不同之处在于,生成了青草酸,purpuride和ZG-1494α,以及暗绿色至深绿色的厚壁椭圆形分生孢子。黄萎病菌的菌株为CBS 133442

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