Transformation of the fungus Absidia glauca by complementation of a methionine-auxotrophic strain affected in the homoserine-acetyltransferase gene.

Abstract:

:Transformation of fungi by complementation of auxotrophs is generally much more reliable than usage of antibiotic resistance markers. In order to establish such a system for the model zygomycete Absidia glauca, a stable methionine auxotrophic mutant was isolated after X-ray mutagenesis of the minus mating type and characterized at the molecular level. The mutant is disrupted in the coding region of the Met2-1 gene, encoding homoserine O-acetyltransferase. The corresponding wild type gene was cloned, sequenced and inserted into appropriate vector plasmids. Transformants are prototrophs and show restored methionine-independent growth, based on complementation by the autonomously replicating plasmids.

journal_name

FEBS Open Bio

journal_title

FEBS open bio

authors

Karimi S,Wetzel J,Wöstemeyer J,Burmester A

doi

10.1016/j.fob.2012.07.002

subject

Has Abstract

pub_date

2012-07-20 00:00:00

pages

197-201

issn

2211-5463

pii

FOB32

journal_volume

2

pub_type

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