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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Plant molecular biology 19 (1992), S. 1079-1083 
    ISSN: 1573-5028
    Keywords: oleosin ; embryogenesis ; cDNA ; Brassica napus ; oil-body protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Antibodies raised against purified rapeseed 19 kDa oleosin protein were used to screen an embryo-derived λgt11 expression library from Brassica napus. A near full-length cDNA clone, BnV, was isolated. The 781 bp cDNA contained an open reading frame of 549 bp followed by an untranslated region of 222 pb and a poly(A) region of 10 bp. Comparisons between this cDNA and a different oleosin cDNA previously isolated from the same library showed high degrees of sequence similarity in the central domain region and in the 3′ untranslated region. Sequence similarities between the derived protein sequence of this cDNA and all other known oleosin protein sequences are discussed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5028
    Keywords: MAP kinase ; osmotic stress ; Pisum sativum ; Saccharomyces cerevisiae ; signal transduction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Previous analysis of the MAP kinase homologue from Pisum sativum (PsMAPK) revealed a potential MAP kinase motif homologous to that found in eukaryotic cdc2 kinases. Sequence comparison showed a 47% identity on amino acid sequence basis to the Saccharomyces cerevisiae Hog 1p MAP kinase involved in the osmoregulatory pathway. Under conditions of salt-stress aberrant morphology of a hog1 deletion mutant was completely restored and growth was partially restored by expression of the PsMAPK. This shows that PsMAPK is functionally active as a MAP kinase in S. cerevisiae. Comparison of PsMAPK with other kinases involved in osmosensitivity, showed a high degree of homology and implicates a possible role for PsMAPK in a P. sativum osmosensing signal transduction pathway.
    Type of Medium: Electronic Resource
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