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expand all sections collapse all sections Oryza sativa gene "Lti6B" (GR:0101183)
Species Oryza sativa (Rice) [ GR_tax:013681 ]
Accession GR:0101183
Gene Symbol Lti6B
Gene Name Low temperature induced 6B 
Synonyms (8)
E.C. Numbers (0)
Pathway Reactions (0)
Chromosome No. 5
Gene Type CDS (Protein coding)
Has Phenotype no
Description The gene is induced by low (cold) temperature during seedling emergence. It is a homolog of Arabidopsis RCI2A (At3g05880) and barley low-temperature-inducible (BLT101) genes. It encodes for a hydrophobic protein involved in maintaining the integrity of the plasma membrane during cold, dehydration and salt stress conditions.
Curator Comment
  • Morsy et al. reports that in the cold tolerant rice variety CT6748-8-CA-17, its transcript expression was induced as early as 4h after the exposure to cold temperature (10C). The transcript amount gradually increased upto 24h after induction. A similar induction pattern was observed under 100uM ABA stress except that it declines after 12h of induction. A gradual increase in transcript levels 24h after its induction were observed under high salt (250mM NaCl) and 40h under water deficit (dehydration/drought) conditions. In the cold intolerant variety INIAP12 the expression was delayed by atleast 12 and 4 hrs for cold and ABA stresses respectively.
  • Kim et al. reports that in Chucchung rice variety the Lti6B transcripts were induced in mature leaves, 1h after various stresses were induced. These include the cold temperature (5C), 250mM NaCl, 100uM ABA, wounding and drought induction and reduced to basal level on 6D after treatment. The expression was maximum at 1h after induction under wounding, cold temperature, ABA and dorught conditions compared to 6H under high salt (NaCl) stress. The expression was also observed in high amounts in flag leaf sheath and internode. In-situ hybridization detected higher amounts of transcripts in embryo sac and vascular bundle present in ovary as well as in the anther walls and vascular bundles of the stamen.
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