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Constitutively high expression of the histidine biosynthetic pathway contributes to nickel tolerance in hyperaccumulator plants

Abstract:

Plants that hyperaccumulate Ni exhibit an exceptional degree of Ni tolerance and the ability to translocate Ni in large amounts from root to shoot. In hyperaccumulator plants in the genus Alyssum, free His is an important Ni binding ligand that increases in the xylem proportionately to root Ni uptake. To determine the molecular basis of the His response and its contribution to Ni tolerance, transcripts representing seven of the eight enzymes involved in His biosynthesis were investigated in t...

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Publisher copy:
10.1105/tpc.104.030577
Journal:
Plant Cell More from this journal
Volume:
17
Issue:
7
Pages:
2089-2106
Publication date:
2005-01-01
DOI:
ISSN:
1040-4651
Language:
English
Pubs id:
pubs:109626
UUID:
uuid:e93d70bc-c430-4acc-99b6-94c515f8fa46
Local pid:
pubs:109626
Source identifiers:
109626
Deposit date:
2012-12-19

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