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  • 1
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    Cloning and expression in yeast of a plant potassium ion transport system (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-01
    Description: A membrane polypeptide involved in K+ transport in a higher plant was cloned by complementation of a yeast mutant defective in K+ uptake with a complementary DNA library from Arabidopsis thaliana. A 2.65-kilobase complementary DNA conferred ability to grow on media with K+ concentration in the micromolar range and to absorb K+ (or 86Rb+) at rates similar to those in wild-type yeast. The predicted amino acid sequence (838 amino acids) has three domains: a channel-forming region homologous to animal K+ channels, a cyclic nucleotide-binding site, and an ankyrin-like region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sentenac, H -- Bonneaud, N -- Minet, M -- Lacroute, F -- Salmon, J M -- Gaymard, F -- Grignon, C -- New York, N.Y. -- Science. 1992 May 1;256(5057):663-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biochimie et Physiologie Vegetales, ENSA-M/INRA/CNRS URA 573, Montpellier, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1585180" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Arabidopsis Proteins ; Biological Transport ; Blotting, Southern ; Carrier Proteins/chemistry/genetics ; *Cloning, Molecular ; DNA/genetics ; Deoxyribonuclease EcoRI ; Gene Expression ; Kinetics ; Molecular Sequence Data ; Plant Proteins/chemistry/*genetics ; Plants/*genetics ; Potassium/*metabolism ; Potassium Channels/chemistry/*genetics ; Saccharomyces cerevisiae/*genetics ; Sequence Homology, Nucleic Acid
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
    Electronic Resource
    Electronic Resource
    Mutations inSTS1 suppress the defect in 3′ mRNA processing caused by therna15-2 mutation inSaccharomyces cerevisiae (1996)
    Springer
    Molecular genetics and genomics 252 (1996), S. 552-562 
    Details
    ISSN: 1617-4623
    Keywords: Saccharomyces cerevisiae ; mRNA 3′ processing ; Poly(A) tail ; STS1 ; RNA15
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In a search for proteins associated with Rna15p in processing the 3′ ends of messenger RNAs, we have looked for suppressors that correct, even partially, the thermosensitive growth defect of therna15-2 mutant. Mutations in a single locus that we namedSSM5, were able to suppress both the thermosensitivity of cell growth and the mRNA 3′ processing defect associated with therna15-2 mutation, but only slightly alleviated the thermosensitive growth defect of anrna14-1 mutant. Thessm5-1 mutant is sensitive to hydroxyurea at 37° C, a drug that inhibits DNA synthesis. By screening for complementation of the hydroxyurea-sensitive phenotype we cloned the corresponding wild-type gene and found that it corresponds to the essential geneSTS1 (also namedDBF8). Sts1p has an apparent molecular weight of 30 kDa and was confirmed to be a cytosolic protein by immunofluorescence analysis. Western blot analysis indicates that the thermosensitive mutant strainsrna15-2, rna14-1 andpap1-1 present a very low level of the Rna15p at 37° C. Thessm5-1 mutation restores the level of Rna15p in therna15-2 ssm5-1 double mutant. Use of the two-hybrid system suggests that Sts1p does not interact directly with Rna15p, but may be active as a homodimer. The present data suggest that Sts1p may play a role in the transport of Rna15p from the cytoplasm to the nucleus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02172401
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  • 3
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    SNCF, a SoxNeuro interacting protein, defines a novel protein family in Drosophila melanogaster (2003)
    Elsevier
    Details
    Publication Date: 2003-11-01
    Print ISSN: 0378-1119
    Electronic ISSN: 1879-0038
    Topics: Biology
    Published by Elsevier
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