Insertional mutagenesis to isolate acetate-requiring mutants inChlamydomonas reinhardtii

Autor:	Myriam Adam, Roland Loppes, Karl E. Lentz
Rok vydání:	1993
Předmět:	Auxotrophy Mutant Chlamydomonas reinhardtii Biology medicine.disease_cause biology.organism_classification Microbiology Molecular biology Insertional mutagenesis Transformation (genetics) Plasmid Genetics medicine Insertion Molecular Biology Escherichia coli
Zdroj:	FEMS Microbiology Letters. 110:265-268
ISSN:	1574-6968 0378-1097
DOI:	10.1111/j.1574-6968.1993.tb06332.x
Popis:	An arg 7 mutant of the green alga Chlamydomonas reinhardtii was transformed with pARG7.8, a plasmid bearing the wild-type ARG7 gene. Out of 4100 arg+ transformants selected on an arginine-free medium supplemented with acetate, nine failed to grow on acetate-free medium (ac− mutants). The results of the genetic and molecular analysis of several ac− mutants are in agreement with the hypothesis that they originated from insertion of the incoming plasmid into the nuclear genome. These mutants should constitute valuable tools for isolating the corresponding wild-type genes after plasmid rescue into Escherichia coli.
Databáze:	OpenAIRE
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