eIF-1

| Categories genes  | Tags salt stress  salt  leaf  salt tolerance  homeostasis  growth 
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  • Key message
    • The eIF-1 over-expressing lines showed improved growth under salt stress that was correlated with maintenance of photosynthetic activity and reduced Na(+) and Cl(-) accumulation in leaves
    • In a search for novel molecular mechanisms involved in salt acclimation, transcript analyses revealed increased expression of a SUI-homologous translation initiation factor eIF-1 in the salt-tolerant grass species Festuca rubra ssp
    • To further examine the role of eIF-1 in salt tolerance, transgenic rice plants were generated that over-express this factor under the control of the CaMV-35S promoter
    • Our data suggest that eIF-1 has a central function in salt-stress adaptation in rice by regulating ion accumulation and the intracellular redox status
    • Upon analysis of the cell specificity of eIF-1 transcription by in situ polymerase chain reaction (PCR), predominant signals were detected in rice leaf mesophyll
    • The SUI-homologous translation initiation factor eIF-1 is involved in regulation of ion homeostasis in rice
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