Disruption of the Aspergillus niger argB gene:: a tool for transformation

被引：16

作者：

Lenouvel, FO ^{[1
]}

van de Vondervoort, PJI ^{[1
]}

Visser, J ^{[1
]}

机构：

[1] Univ Wageningen & Res Ctr, NL-6703 HA Wageningen, Netherlands

来源：

CURRENT GENETICS | 2002年 / 41卷 / 06期

关键词：

Aspergillus niger; disruption; arginine requirement; transformation; genetic localisation;

D O I：

10.1007/s00294-002-0320-0

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

We disrupted the Aspergillus niger gene argB, encoding ornithine transcarbamylase. Full characterisation of the argB deletion was performed by Southern blot analysis, growth tests and by means of mitotic recombination, complementation and transformation. The argB locus was found to be physically removed, thus creating an auxotrophic mutation. The latter can be supplemented by addition of arginine into the culture medium. The argB gene and its disruption do not correlate to the argI13 (formerly argB13) allele described. The DeltaargB is on chromosome I whereas argI13 is on V. In addition, the argI13 mutation can only be complemented by the A. nidulans argB gene, whereas the new argB deletion can be complemented by both the A. nicer and A. nidulans argB genes. The DeltaargB strain has been used to generate several strains in a breeding programme and to study the expression of important genes, such as areA and kexB.

引用

页码：425 / 431

页数：7

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