Abstract
We have isolated a tobacco (Nicotiana tabacum L.) cDNA clone encoding a putative serine/threonine protein kinase, which shows highest homology to previously described families of alfalfa and Arabidopsis protein kinases and to their homologues rat glycogen synthase kinase-3 and Drosophila shaggy kinases. Northern experiments showed that NtK-4 is expressed in all sporophytic tobacco tissues tested, as well as in gametophytic and embryogenic pollen.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Amino Acid Sequence
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Animals
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Base Sequence
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Calcium-Calmodulin-Dependent Protein Kinases / genetics*
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Cloning, Molecular
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DNA, Complementary
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Gene Expression Regulation*
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Glycogen Synthase Kinase 3
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Glycogen Synthase Kinases
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Molecular Sequence Data
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Nicotiana / enzymology
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Nicotiana / genetics*
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Plants, Toxic*
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Pollen*
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Protein Serine-Threonine Kinases / chemistry
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Protein Serine-Threonine Kinases / genetics*
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Sequence Homology, Amino Acid
Substances
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DNA, Complementary
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NtK-1 protein, Nicotiana tabacum
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Glycogen Synthase Kinases
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Protein Serine-Threonine Kinases
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Calcium-Calmodulin-Dependent Protein Kinases
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Glycogen Synthase Kinase 3