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  • 1
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    RNAi in budding yeast (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-12
    Description: RNA interference (RNAi), a gene-silencing pathway triggered by double-stranded RNA, is conserved in diverse eukaryotic species but has been lost in the model budding yeast Saccharomyces cerevisiae. Here, we show that RNAi is present in other budding yeast species, including Saccharomyces castellii and Candida albicans. These species use noncanonical Dicer proteins to generate small interfering RNAs, which mostly correspond to transposable elements and Y' subtelomeric repeats. In S. castellii, RNAi mutants are viable but have excess Y' messenger RNA levels. In S. cerevisiae, introducing Dicer and Argonaute of S. castellii restores RNAi, and the reconstituted pathway silences endogenous retrotransposons. These results identify a previously unknown class of Dicer proteins, bring the tool of RNAi to the study of budding yeasts, and bring the tools of budding yeast to the study of RNAi.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3786161/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3786161/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Drinnenberg, Ines A -- Weinberg, David E -- Xie, Kathleen T -- Mower, Jeffrey P -- Wolfe, Kenneth H -- Fink, Gerald R -- Bartel, David P -- GM0305010/GM/NIGMS NIH HHS/ -- GM040266/GM/NIGMS NIH HHS/ -- GM067031/GM/NIGMS NIH HHS/ -- R01 GM067031/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Oct 23;326(5952):544-50. doi: 10.1126/science.1176945. Epub 2009 Sep 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19745116" target="_blank"〉PubMed〈/a〉
    Keywords: Fungal Proteins/genetics/metabolism ; Gene Expression Profiling ; Genes, Fungal ; Genetic Loci ; Mutation ; Open Reading Frames ; *RNA Interference ; RNA, Double-Stranded/genetics/metabolism ; RNA, Fungal/genetics/metabolism ; RNA, Messenger/genetics/metabolism ; RNA, Small Interfering/genetics/*metabolism ; Repetitive Sequences, Nucleic Acid ; Retroelements ; Ribonuclease III/genetics/metabolism ; Saccharomyces/*genetics/metabolism ; Saccharomyces cerevisiae/*genetics/metabolism ; Saccharomyces cerevisiae Proteins/genetics/metabolism ; Saccharomycetales/*genetics/metabolism ; Sequence Analysis, RNA ; Transcription, Genetic ; Transformation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Genotype to phenotype: a complex problem (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-04-24
    Description: We generated a high-resolution whole-genome sequence and individually deleted 5100 genes in Sigma1278b, a Saccharomyces cerevisiae strain closely related to reference strain S288c. Similar to the variation between human individuals, Sigma1278b and S288c average 3.2 single-nucleotide polymorphisms per kilobase. A genome-wide comparison of deletion mutant phenotypes identified a subset of genes that were conditionally essential by strain, including 44 essential genes unique to Sigma1278b and 13 unique to S288c. Genetic analysis indicates the conditional phenotype was most often governed by complex genetic interactions, depending on multiple background-specific modifiers. Our comprehensive analysis suggests that the presence of a complex set of modifiers will often underlie the phenotypic differences between individuals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4412269/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4412269/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dowell, Robin D -- Ryan, Owen -- Jansen, An -- Cheung, Doris -- Agarwala, Sudeep -- Danford, Timothy -- Bernstein, Douglas A -- Rolfe, P Alexander -- Heisler, Lawrence E -- Chin, Brian -- Nislow, Corey -- Giaever, Guri -- Phillips, Patrick C -- Fink, Gerald R -- Gifford, David K -- Boone, Charles -- DK076284/DK/NIDDK NIH HHS/ -- GM035010/GM/NIGMS NIH HHS/ -- GM069676/GM/NIGMS NIH HHS/ -- P01 NS055923/NS/NINDS NIH HHS/ -- R01 GM035010/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Apr 23;328(5977):469. doi: 10.1126/science.1189015.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Computer Science and Artificial Intelligence Laboratory, Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20413493" target="_blank"〉PubMed〈/a〉
    Keywords: Crosses, Genetic ; Gene Deletion ; *Gene Expression Regulation, Fungal ; Gene Regulatory Networks ; *Genes, Essential ; *Genes, Fungal ; Genetic Variation ; Genome, Fungal ; Genotype ; Mutation ; Phenotype ; Saccharomyces cerevisiae/*genetics ; Sequence Analysis, DNA
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Combinatorial control required for the specificity of yeast MAPK signaling (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-02-28
    Description: In yeast, an overlapping set of mitogen-activated protein kinase (MAPK) signaling components controls mating, haploid invasion, and pseudohyphal development. Paradoxically, a single downstream transcription factor, Ste12, is necessary for the execution of these distinct programs. Developmental specificity was found to require a transcription factor of the TEA/ATTS family, Tec1, which cooperates with Ste12 during filamentous and invasive growth. Purified derivatives of Ste12 and Tec1 bind cooperatively to enhancer elements called filamentation and invasion response elements (FREs), which program transcription that is specifically responsive to the MAPK signaling components required for filamentous growth. An FRE in the TEC1 promoter functions in a positive feedback loop required for pseudohyphal development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Madhani, H D -- Fink, G R -- New York, N.Y. -- Science. 1997 Feb 28;275(5304):1314-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9036858" target="_blank"〉PubMed〈/a〉
    Keywords: Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; DNA-Binding Proteins/genetics/*metabolism ; *Enhancer Elements, Genetic ; Fungal Proteins/*metabolism ; Intracellular Signaling Peptides and Proteins ; MAP Kinase Kinase Kinases/metabolism ; Mitogen-Activated Protein Kinase Kinases ; Mutation ; Protein Kinases/metabolism ; Protein-Serine-Threonine Kinases/metabolism ; Retroelements ; Saccharomyces cerevisiae/genetics/growth & development/*metabolism ; *Saccharomyces cerevisiae Proteins ; *Schizosaccharomyces pombe Proteins ; Signal Transduction ; *Transcription Factors ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    PIN proteins perform a rate-limiting function in cellular auxin efflux (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-08
    Description: Intercellular flow of the phytohormone auxin underpins multiple developmental processes in plants. Plant-specific pin-formed (PIN) proteins and several phosphoglycoprotein (PGP) transporters are crucial factors in auxin transport-related development, yet the molecular function of PINs remains unknown. Here, we show that PINs mediate auxin efflux from mammalian and yeast cells without needing additional plant-specific factors. Conditional gain-of-function alleles and quantitative measurements of auxin accumulation in Arabidopsis and tobacco cultured cells revealed that the action of PINs in auxin efflux is distinct from PGP, rate-limiting, specific to auxins, and sensitive to auxin transport inhibitors. This suggests a direct involvement of PINs in catalyzing cellular auxin efflux.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Petrasek, Jan -- Mravec, Jozef -- Bouchard, Rodolphe -- Blakeslee, Joshua J -- Abas, Melinda -- Seifertova, Daniela -- Wisniewska, Justyna -- Tadele, Zerihun -- Kubes, Martin -- Covanova, Milada -- Dhonukshe, Pankaj -- Skupa, Petr -- Benkova, Eva -- Perry, Lucie -- Krecek, Pavel -- Lee, Ok Ran -- Fink, Gerald R -- Geisler, Markus -- Murphy, Angus S -- Luschnig, Christian -- Zazimalova, Eva -- Friml, Jiri -- New York, N.Y. -- Science. 2006 May 12;312(5775):914-8. Epub 2006 Apr 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Experimental Botany, the Academy of Sciences of the Czech Republic, 165 02 Prague 6, Czech Republic.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16601150" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/genetics/metabolism ; Arabidopsis/cytology/growth & development/*metabolism/physiology ; Arabidopsis Proteins/genetics/*metabolism ; Biological Transport ; Cell Membrane/metabolism ; Cells, Cultured ; Gravitropism ; HeLa Cells ; Humans ; Indoleacetic Acids/*metabolism ; Kinetics ; Membrane Transport Proteins/genetics/*metabolism ; Mutation ; Naphthaleneacetic Acids/metabolism ; Phthalimides/pharmacology ; Plant Roots/physiology ; Saccharomyces cerevisiae/genetics ; Tobacco ; Transfection ; Transformation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Elements of the yeast pheromone response pathway required for filamentous growth of diploids (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-10
    Description: Transmission of an external signal from receptors to downstream targets is often mediated by a conserved set of protein kinases that act in sequence (a kinase cascade). In haploid strains of Saccharomyces cerevisiae, a signal initiated by peptide pheromones is transmitted through this kinase cascade to a transcription factor STE12, which is required for the expression of many mating-specific genes. Here it was shown that in diploids some of the same kinases and STE12 are required for filamentous growth, but the pheromone receptors and guanosine triphosphate-binding protein are not required for filament formation. Thus, a similar kinase cascade is activated by different signals in haploids and diploids and mediates different developmental outcomes in the two cell types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, H -- Styles, C A -- Fink, G R -- GM 35010/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Dec 10;262(5140):1741-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8259520" target="_blank"〉PubMed〈/a〉
    Keywords: Fungal Proteins/*metabolism ; GTP-Binding Proteins/metabolism ; Genes, Fungal ; Mutation ; Peptides/*metabolism/pharmacology ; Phenotype ; Protein Kinases/*metabolism ; Receptors, Mating Factor ; Receptors, Peptide/metabolism ; Saccharomyces cerevisiae/genetics/*growth & development/metabolism ; *Saccharomyces cerevisiae Proteins ; *Signal Transduction ; Transcription Factors/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    ILR1, an amidohydrolase that releases active indole-3-acetic acid from conjugates (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-23
    Description: In plants, the growth regulator indole-3-acetic acid (IAA) is found both free and conjugated to a variety of amino acids, peptides, and carbohydrates. IAA conjugated to leucine has effects in Arabidopsis thaliana similar to those of free IAA. The ilr1 mutant is insensitive to exogenous IAA-Leu and was used to positionally clone the Arabidopsis ILR1 gene. ILR1 encodes a 48-kilodalton protein that cleaves IAA-amino acid conjugates in vitro and is homologous to bacterial amidohydrolase enzymes. DNA sequences similar to that of ILR1 are found in other plant species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bartel, B -- Fink, G R -- New York, N.Y. -- Science. 1995 Jun 23;268(5218):1745-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7792599" target="_blank"〉PubMed〈/a〉
    Keywords: Amidohydrolases/chemistry/*genetics/metabolism ; Amino Acid Sequence ; Amino Acids ; Arabidopsis/enzymology/*genetics ; *Arabidopsis Proteins ; Base Sequence ; Cloning, Molecular ; *Genes, Plant ; Hydrolysis ; Indoleacetic Acids/*metabolism/pharmacology ; Leucine/metabolism ; Molecular Sequence Data ; Mutation ; Plant Growth Regulators/*metabolism ; Sequence Alignment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Suppression of hyphal formation in Candida albicans by mutation of a STE12 homolog (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-09
    Description: A Candida albicans gene (CPH1) was cloned that encodes a protein homologous to Saccharomyces cerevisiae Ste12p, a transcription factor that is the target of the pheromone response mitogen-activated protein kinase cascade. CPH1 complements both the mating defect of ste12 haploids and the filamentous growth defect of ste12/ste12 diploids. Candida albicans strains without a functional CPH1 gene (cph1/cph1) show suppressed hyphal formation on solid medium. However, cph1/cph1 strains can still form hyphae in liquid culture and in response to serum. Thus, filamentous growth may be activated in C. albicans by the same signaling kinase cascade that activates Ste12p in S. cerevisiae; however, alternative pathways may exist in C. albicans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, H -- Kohler, J -- Fink, G R -- GM402661/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1994 Dec 9;266(5191):1723-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7992058" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Candida albicans/cytology/genetics/*growth & development ; Cloning, Molecular ; Culture Media ; Fungal Proteins/chemistry/*genetics/physiology ; *Genes, Fungal ; Genetic Complementation Test ; Molecular Sequence Data ; Mutation ; Saccharomyces cerevisiae/cytology/genetics/growth & development ; *Saccharomyces cerevisiae Proteins ; Transcription Factors/chemistry/*genetics/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Suppressible four-base glycine and proline codons in yeast (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-04-24
    Description: Five ICR-170--induced mutations at the His4 locus in yeast are +1 G.C (G, guanine; C, cytosine) additions in DNA regions that contain multiple G.C base pairs. These mutations represents both nonsuppressible and suppressible alleles. All externally, suppressible frameshift mutations occur in glycine and proline codons to produce the four-base codons GGGU (U, uracil), GGGG, and CCCU. This implies that suppression of these four-base codons in yeast, as in bacteria, involves a four-base anticodon or its functional equivalent. Two identical four-base codons (CCCU) at widely separate regions with His4 are not suppressed equally.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Donahue, T F -- Farabaugh, P J -- Fink, G R -- New York, N.Y. -- Science. 1981 Apr 24;212(4493):455-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7010605" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; *Codon ; DNA, Fungal/genetics ; Glycine/*genetics ; Histidine/genetics ; Mutation ; Proline/*genetics ; *RNA, Messenger ; Saccharomyces cerevisiae/*genetics ; *Suppression, Genetic
    Print ISSN: 0036-8075
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  • 9
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    Multiple global regulators control HIS4 transcription in yeast (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-08-21
    Description: Gene expression is dependent on the interaction of DNA binding factors with distinct promoter control elements to activate RNA synthesis. The expression of the HIS4 gene in yeast is under two different control systems. One of these, general amino acid control, involves a DNA binding protein, GCN4, that stimulates transcription in response to amino acid starvation by binding to 5'-TGACTC-3' sequences in the HIS4 promoter region. A second system, the basal level control, stimulates HIS4 transcription in the absence of amino acid starvation. The basal level transcription of the HIS4 gene is under the control of two genes, BAS1 and BAS2, which are also required for the control of purine biosynthesis. In addition, BAS2 is required for the utilization of organic phosphates in the growth medium. Genetic mapping and DNA sequence analysis show that BAS2 is PHO2, a gene previously identified as a regulator of phosphate metabolism. Direct biochemical analysis shows that the BAS2 gene encodes a protein that binds to both the HIS4 and PHO5 promoters. The involvement of a single DNA binding protein in the regulation of histidine, adenine, and phosphate metabolism suggests that yeast may use a few key DNA binding proteins to coordinate the regulation of diverse metabolic pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arndt, K T -- Styles, C -- Fink, G R -- GM 35010-04/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 21;237(4817):874-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3303332" target="_blank"〉PubMed〈/a〉
    Keywords: Acid Phosphatase/*genetics ; Chromosome Mapping ; Gene Expression Regulation ; Genes, Fungal ; Histidine/*genetics ; Mutation ; Phosphates/physiology ; Promoter Regions, Genetic ; Saccharomyces cerevisiae/*genetics ; Transcription Factors/physiology ; Transcription, Genetic
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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