RRC ID 48232
著者 Tominaga Y, Ohshiro T, Suzuki H.
タイトル Conjugative plasmid transfer from Escherichia coli is a versatile approach for genetic transformation of thermophilic Bacillus and Geobacillus species.
ジャーナル Extremophiles
Abstract We previously demonstrated efficient transformation of the thermophile Geobacillus kaustophilus HTA426 using conjugative plasmid transfer from Escherichia coli BR408. To evaluate the versatility of this approach to thermophile transformation, this study examined genetic transformation of various thermophilic Bacillus and Geobacillus spp. using conjugative plasmid transfer from E. coli strains. E. coli BR408 successfully transferred the E. coli-Geobacillus shuttle plasmid pUCG18T to 16 of 18 thermophiles with transformation efficiencies between 4.1 × 10(-7) and 3.8 × 10(-2)/recipient. Other E. coli strains that are different from E. coli BR408 in intracellular DNA methylation also generated transformants from 9 to 15 of the 18 thermophiles, including one that E. coli BR408 could not transform, although the transformation efficiencies of these strains were generally lower than those of E. coli BR408. The conjugation was performed by simple incubation of an E. coli donor and a thermophile recipient without optimization of experimental conditions. Moreover, thermophile transformants were distinguished from abundant E. coli donor only by high temperature incubation. These observations suggest that conjugative plasmid transfer, particularly using E. coli BR408, is a facile and versatile approach for plasmid introduction into thermophilic Bacillus and Geobacillus spp., and potentially a variety of other thermophiles.
巻・号 20(3)
ページ 375-81
公開日 2016-5-1
DOI 10.1007/s00792-016-0819-9
PII 10.1007/s00792-016-0819-9
PMID 26932270
MeSH Bacillus / genetics* Conjugation, Genetic* Escherichia coli / genetics* Genetic Vectors / genetics Geobacillus / genetics* Plasmids / genetics Transformation, Bacterial*
IF 2.462
引用数 8
WOS 分野 BIOCHEMISTRY & MOLECULAR BIOLOGY MICROBIOLOGY
リソース情報
一般微生物 JCM 12893