Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum

Protoplasts of a pAN7-1-transformed isolated of Cladosporium fulvum race 4, harbouring a tandem duplication of the vector, and an untransformed race 5 isolate were fused, without selection for the presence of vector sequences. Fusion products were allowed to haploidize spontaneously. The inheritance...

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Main Authors: Arnau, J., Oliver, Richard
Format: Journal Article
Published: 1993
Online Access:http://hdl.handle.net/20.500.11937/24883
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author Arnau, J.
Oliver, Richard
author_facet Arnau, J.
Oliver, Richard
author_sort Arnau, J.
building Curtin Institutional Repository
collection Online Access
description Protoplasts of a pAN7-1-transformed isolated of Cladosporium fulvum race 4, harbouring a tandem duplication of the vector, and an untransformed race 5 isolate were fused, without selection for the presence of vector sequences. Fusion products were allowed to haploidize spontaneously. The inheritance of pAN7-1 sequences and the expression of the hph gene was studied in 85 progeny. A very high proportion (80%) of the progeny contained vector sequences and 70% of the progeny were resistant to hygromycin. Inactivation of the hph gene occurred in eight progeny. Rearrangement of vector sequences can account for the inactivation: there is no evidence for any RIP-like mechanism. A number of novel bands were observed.
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institution Curtin University Malaysia
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publishDate 1993
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spelling curtin-20.500.11937-248832017-09-13T15:52:04Z Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum Arnau, J. Oliver, Richard Protoplasts of a pAN7-1-transformed isolated of Cladosporium fulvum race 4, harbouring a tandem duplication of the vector, and an untransformed race 5 isolate were fused, without selection for the presence of vector sequences. Fusion products were allowed to haploidize spontaneously. The inheritance of pAN7-1 sequences and the expression of the hph gene was studied in 85 progeny. A very high proportion (80%) of the progeny contained vector sequences and 70% of the progeny were resistant to hygromycin. Inactivation of the hph gene occurred in eight progeny. Rearrangement of vector sequences can account for the inactivation: there is no evidence for any RIP-like mechanism. A number of novel bands were observed. 1993 Journal Article http://hdl.handle.net/20.500.11937/24883 10.1007/BF00312643 restricted
spellingShingle Arnau, J.
Oliver, Richard
Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum
title Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum
title_full Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum
title_fullStr Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum
title_full_unstemmed Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum
title_short Inheritance and alteration of transforming DNA during an induced parasexual cycle in the imperfect fungus Cladosporium fulvum
title_sort inheritance and alteration of transforming dna during an induced parasexual cycle in the imperfect fungus cladosporium fulvum
url http://hdl.handle.net/20.500.11937/24883