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231223s2007 xx ||||| 00| ||eng c |
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|a (NLM)17561307
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zhao, Junsheng
|e verfasserin
|4 aut
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|a Enhanced salt tolerance of transgenic progeny of tall fescue (Festuca arundinacea) expressing a vacuolar Na+/H+ antiporter gene from Arabidopsis
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 04.01.2008
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Salinity is a major abiotic stress factor limiting crop production. To generate salt-tolerant turf and forage, we had transformed tall fescue (Festuca arundinacea) with AtNHX1, a vacuolar Na(+)/H(+) antiporter gene from Arabidopsis thaliana. In this paper, we report that overexpression of the AtNHX1 gene confers enhanced salt tolerance to the transformed tall fescue progenies. DNA gel blot analysis and reverse transcription (RT) polymerase chain reaction (PCR) were carried out to confirm the inheritance and expression of the AtNHX1 gene in transgenic T(1) and T(2) lines. These transgenic lines showed no phenotypic changes or yield reduction. Plants carrying the AtNHX1 gene were more resistant to a 20 mM NaCl solution than control plants. The roots of the transgenic lines had a higher sodium content than controls, due to an increased Na(+)/H(+) antiporter activity in tonoplast vesicles. Our results suggest that this accumulation of sodium in vacuoles of root cells, mediated by vacuolar Na(+)/H(+) antiporters, reduced the toxic effects of salinity to tall fescue and thus enhanced its salt tolerance
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sodium-Hydrogen Exchangers
|2 NLM
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|a Sodium Chloride
|2 NLM
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|a 451W47IQ8X
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|a Sodium
|2 NLM
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|a 9NEZ333N27
|2 NLM
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|a Potassium
|2 NLM
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|a RWP5GA015D
|2 NLM
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|a Zhi, Daying
|e verfasserin
|4 aut
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|a Xue, Zheyong
|e verfasserin
|4 aut
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|a Liu, Heng
|e verfasserin
|4 aut
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| 700 |
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|a Xia, Guangmin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 164(2007), 10 vom: 01. Okt., Seite 1377-83
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:164
|g year:2007
|g number:10
|g day:01
|g month:10
|g pages:1377-83
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|d 164
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|h 1377-83
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