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REDUCTION D'ACCUMULATION DE CADMIUM DANS DES PLANTES DE TABAC CULTIVEES DANS UN CHAMP
专利权人:
PHILIP MORRIS PRODUCTS S.A.
发明人:
BOVET, LUCIEN,LIEDSCHULTE, VERENA
申请号:
CA3010142
公开号:
CA3010142A1
申请日:
2017.01.27
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
There is described herein a mutant plant or part thereof having at least partially reduced expression or activity of at least two heavy metal ATPases (HMAs), said two HMAs comprising, consisting or consisting essentially of : (i) polypeptides having at least 65% sequence identity to SEQ ID NO:1 and SEQ ID NO:2; (ii) polynucleotides encoding the polypeptides set forth in (i); or (iii) polynucleotides having at least 65% sequence identity to SEQ ID NO:3 and SEQ ID NO:4 encoding HMAs; wherein the expression or activity of one of the HMAs set forth in (i) or (ii) or (iii) is partially reduced or lost and the expression or activity of one of the HMAs set forth in (i) or (ii) or (iii) is lost as compared to a control plant; and wherein the mutant plant or part thereof exhibits at least a 27% reduction, as compared to the control plant, in the accumulation of cadmium in leaf when the mutant plant is grown in the field in the presence of naturally or non-naturally occurring cadmium.
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