Identification and characterization of Nramp transporter AoNramp1 in Aspergillus oryzae

文献类型： 外文期刊

第一作者： Fan, Junxia

作者： Fan, Junxia;Li, Yuzhen;Chen, Ziming;Chen, Tianming;Zeng, Bin;Zhang, Zhe;Fan, Junxia;Li, Yuzhen;Chen, Ziming;Chen, Tianming;Zeng, Bin;Zhang, Zhe;Zhang, Huanxin;Zeng, Bin

作者机构：

关键词： Nramp; Aspergillus oryzae; Transporter

期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）

ISSN： 2190-572X

年卷期： 2021 年 11 卷 10 期

页码：

收录情况： SCI

摘要： The Nramp (natural resistance-associated macrophage protein) family of genes has been identified and characterized widely in many species. However, the Nramp genes and their characterizations have not been reported for Aspergillus oryzae. Here, only one Nramp gene AoNramp1 in A. oryzae genome was identified. Phylogenetic analysis revealed that AoNramp1 is not clustered with Nramps from yeast genus. Expression analysis showed that the transcript level of AoNramp1 was strongly induced under both Zn/Mn-replete and -deplete conditions. The GUS-staining assay indicated that the expression of AoNramp1 was strongly induced by Zn/Mn. Moreover, the AoNramp1 deletion and overexpression strains were constructed by the CRISPR/Cas9 system and A. oryzae amyB promoter, respectively. Phenotypic analysis showed that overexpression and deletion of AoNramp1 caused growth defects under Zn/Mn-deplete and -replete conditions, including mycelium growth and conidia formation. Together, these findings provide valuable information for further study on the biological roles of AoNramp1 in A. oryzae.

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