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KMID : 0368419960390030197
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Journal of Plant Biology
1996 Volume.39 No. 3 p.197 ~ p.202
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Isolation and Characterization of a Pollen-specific cDNA Clone from Easter Lily
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Kim Seong-Ryong
An Gyn-Heung
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Abstract
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A pollen-specific cDNA clone, LMP50, was isolated from the mature pollen cDNA library of the Easter lily. The LMP50 transcript was highly abundant in mature pollen grains but not detectable in other organs. The LMP50 cDNA clone contains 1383 nucleotides and two open reading frames. The first codes for a peptide of 15 amino acid residues. The role of this peptide is unclear. The second encodes a protein containing 329 amino acid residues. This protein exhibited a significant homology to human tartrate-resistant acid phosphatase and porcine uteroferrin. Both of these enzymes have been suggested to play a role in iron transport. Therefore, LMP50 may act as a iron carrier protein in mature pollen grains.
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