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Title: Conditional sterility in plants

Abstract

The present disclosure provides methods, recombinant DNA molecules, recombinant host cells containing the DNA molecules, and transgenic plant cells, plant tissue and plants which contain and express at least one antisense or interference RNA specific for a thiamine biosynthetic coding sequence or a thiamine binding protein or a thiamine-degrading protein, wherein the RNA or thiamine binding protein is expressed under the regulatory control of a transcription regulatory sequence which directs expression in male and/or female reproductive tissue. These transgenic plants are conditionally sterile; i.e., they are fertile only in the presence of exogenous thiamine. Such plants are especially appropriate for use in the seed industry or in the environment, for example, for use in revegetation of contaminated soils or phytoremediation, especially when those transgenic plants also contain and express one or more chimeric genes which confer resistance to contaminants.

Inventors:
 [1];  [1];  [2]
  1. Athens, GA
  2. Taejeon, KR
Issue Date:
Research Org.:
Univ. of Georgia, Athens, GA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1015196
Patent Number(s):
7667096
Application Number:
10/559,301
Assignee:
University of Georgia Research Foundation, Inc. (Athens, GA)
Patent Classifications (CPCs):
C - CHEMISTRY C12 - BIOCHEMISTRY C12N - MICROORGANISMS OR ENZYMES
DOE Contract Number:  
FG07-96ER20257
Resource Type:
Patent
Resource Relation:
Patent File Date: 2004 Jun 03
Country of Publication:
United States
Language:
English

Citation Formats

Meagher, Richard B, McKinney, Elizabeth, and Kim, Tehryung. Conditional sterility in plants. United States: N. p., 2010. Web.
Meagher, Richard B, McKinney, Elizabeth, & Kim, Tehryung. Conditional sterility in plants. United States.
Meagher, Richard B, McKinney, Elizabeth, and Kim, Tehryung. Tue . "Conditional sterility in plants". United States. https://www.osti.gov/servlets/purl/1015196.
@article{osti_1015196,
title = {Conditional sterility in plants},
author = {Meagher, Richard B and McKinney, Elizabeth and Kim, Tehryung},
abstractNote = {The present disclosure provides methods, recombinant DNA molecules, recombinant host cells containing the DNA molecules, and transgenic plant cells, plant tissue and plants which contain and express at least one antisense or interference RNA specific for a thiamine biosynthetic coding sequence or a thiamine binding protein or a thiamine-degrading protein, wherein the RNA or thiamine binding protein is expressed under the regulatory control of a transcription regulatory sequence which directs expression in male and/or female reproductive tissue. These transgenic plants are conditionally sterile; i.e., they are fertile only in the presence of exogenous thiamine. Such plants are especially appropriate for use in the seed industry or in the environment, for example, for use in revegetation of contaminated soils or phytoremediation, especially when those transgenic plants also contain and express one or more chimeric genes which confer resistance to contaminants.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {2}
}

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