A view of plant dehydrins using antibodies specific to the carboxy terminal peptide.
Dehydrins are characterized by the consensus KIKEKLPG amino acid sequence found near the carboxy terminus, and usually repeated from one to many times within the protein. A synthetic peptide containing this consensus sequence was used to produce specific antibodies that recognize dehydrins in a wide range of plants. This range covered two families of monocots, viz. Gramineae (Hordeum vulgare L., Triticum aestivum L., Zea mays L., Oryza sativa L.) and Liliaceae (Allium sativa L.), and five families of dicots, Malvaceae (Gossypium hirsutum L.), Solanaceae (Lycopersicon esculentum L.), Brassicaceae (Raphanus sativus L.), Fabaceae (Vigna unguiculata L.), and Cucurbitaceae (Cucumis sativus L.). Two families of gymnosperms, Pinaceae (Pinus edulis Engelm.) and Ginkgoaceae (Ginkgo biloba L.), were also included. For several plants in which dehydrin cDNA and genomic clones have previously been characterized, it now appears that the dehydrin family of proteins is larger, and the regulation of dehydrin expression much more complex, than earlier studies have shown.
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T J
TJ
Department of Botany and Plant Sciences, University of California, Riverside 92521.
Fenton
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RD
Moonan
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F
D000595:Amino Acid Sequence; D016384:Consensus Sequence; D000939:Epitopes; D001467:Hordeum / Q000737:chemistry; D008969:Molecular Sequence Data; D010446:Peptide Fragments / Q000276:immunology*; D010940:Plant Proteins / Q000032:analysis* / Q000276:immunology*; D010944:Plants / Q000737:chemistry*; D013045:Species Specificity; D014018:Tissue Distribution
D000939:Epitopes; D010446:Peptide Fragments; D010940:Plant Proteins