Mechanisms of Transformation in Yeast Pichia methanolica: Transforming and Nontransforming Genes

Mechanisms of Transformation in Yeast Pichia methanolica: Transforming and Nontransforming Genes Two types of genes were found in the study of transformation in yeastPichia methanolica: transforming (Trg) and nontransforming (Ntg) genes. Transforming genes (P-ADE7,4and S-LEU2), as linear DNA molecules, can transform competent cells with high efficiency inversely proportional to the molecule size. Nontransforming genes (P-ADE5 and H-LEU2) transform P. methanolica cells at an extremely low rate even when they are combined with transforming genes. The analysis showed that linear DNA molecules with Trg and Ntg can be either rearranged and integrated in random sites of the recipient genome or form circular plasmids, which are capable of autonomous replication irrespective of the presence of specific replicative elements. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Mechanisms of Transformation in Yeast Pichia methanolica: Transforming and Nontransforming Genes

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Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1009018609038
Publisher site
See Article on Publisher Site

Abstract

Two types of genes were found in the study of transformation in yeastPichia methanolica: transforming (Trg) and nontransforming (Ntg) genes. Transforming genes (P-ADE7,4and S-LEU2), as linear DNA molecules, can transform competent cells with high efficiency inversely proportional to the molecule size. Nontransforming genes (P-ADE5 and H-LEU2) transform P. methanolica cells at an extremely low rate even when they are combined with transforming genes. The analysis showed that linear DNA molecules with Trg and Ntg can be either rearranged and integrated in random sites of the recipient genome or form circular plasmids, which are capable of autonomous replication irrespective of the presence of specific replicative elements.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 16, 2004

References

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