Nitric oxide as a signaling molecule in the fission yeast Schizosaccharomyces pombe

PROTOPLASMA ◽  
2009 ◽  
Vol 238 (1-4) ◽  
pp. 59-66 ◽  
Author(s):  
Cenk Kig ◽  
Guler Temizkan
Keyword(s):  
Nitric Oxide ◽  
Schizosaccharomyces Pombe ◽  
Fission Yeast ◽  
Signaling Molecule

Expression of the atf1+ gene is upregulated in fission yeast under nitrosative and nutritional stresses

2009 ◽  
Vol 55 (11) ◽  
pp. 1323-1327 ◽  
Author(s):  
S.-H. Song ◽  
B.-M. Kim ◽  
C.-J. Lim ◽  
Y.S. Song ◽  
E.-H. Park
Keyword(s):  
Nitric Oxide ◽  
Schizosaccharomyces Pombe ◽  
Sodium Nitroprusside ◽  
Fission Yeast ◽  
Fusion Gene ◽  
Lacz Fusion ◽  
Transcriptional Level ◽  
Mrna Levels ◽  
Nitrogen Depletion ◽  
Rt Pcr

This work was designed to assess regulation of the atf1+ gene in the fission yeast Schizosaccharomyces pombe under nitrosative and nutritional stresses, using the atf1+–lacZ fusion gene and RT–PCR. Nitric oxide (NO)-generating sodium nitroprusside (SNP; 10 µmol/L) and nitrogen depletion significantly enhanced synthesis of β-galactosidase from the atf1+–lacZ fusion gene in S. pombe Pap1-positive KP1 cells, but not in S. pombe Pap1-negative TP108-3C cells. SNP (10 µmol/L) and nitrogen depletion also caused a significant increase in atf1+ mRNA levels in Pap1-positive cells, but not in Pap1-negative cells. Depletion of glucose marginally increased synthesis of β-galactosidase from the fusion gene in S. pombe Pap1-positive cells. Taken together, the S. pombe atf1+ gene is upregulated by nitrosative and nutritional stresses on a transcriptional level, possibly via the mediation of Pap1.

scholarly journals Upstream – News in Genomics

2002 ◽  
Vol 3 (3) ◽  
pp. 221-225
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Ovarian Cancer ◽  
Oryza Sativa ◽  
Schizosaccharomyces Pombe ◽  
Fission Yeast ◽  
Proteomic Analysis ◽  
Large Scale ◽  
Protein Complexes ◽  
The Other ◽  
Blood Samples

In recent months a bumper crop of genomes has been completed, including the fission yeast (Schizosaccharomyces pombe) and rice (Oryza sativa). Two large-scale studies ofSaccharomyces cerevisiaeprotein complexes provided a picture of the eukaryotic proteome as a network of complexes. Amongst the other stories of interest was a demonstration that proteomic analysis of blood samples can be used to detect ovarian cancer, perhaps even as early as stage I.

scholarly journals Analysis of centromeric DNA in the fission yeast Schizosaccharomyces pombe.

1986 ◽  
Vol 83 (21) ◽  
pp. 8253-8257 ◽  
Author(s):  
L. Clarke ◽  
H. Amstutz ◽  
B. Fishel ◽  
J. Carbon
Keyword(s):  
Schizosaccharomyces Pombe ◽  
Fission Yeast ◽  
Centromeric Dna

Transport of l-lysine in the fission yeast Schizosaccharomyces pombe

1989 ◽  
Vol 978 (2) ◽  
pp. 203-208 ◽  
Author(s):  
Hana Sychrová ◽  
Jaroslav Horák ◽  
Arnošt Kotyk
Keyword(s):  
Schizosaccharomyces Pombe ◽  
Fission Yeast

scholarly journals Assembly of normal actomyosin rings in the absence of Mid1p and cortical nodes in fission yeast

2008 ◽  
Vol 183 (6) ◽  
pp. 979-988 ◽  
Author(s):  
Yinyi Huang ◽  
Hongyan Yan ◽  
Mohan K. Balasubramanian
Keyword(s):  
Schizosaccharomyces Pombe ◽  
Fission Yeast ◽  
Ring Structure ◽  
Contractile Ring ◽  
Ring Assembly ◽  
Cell Biol ◽  
In Cells

Cytokinesis in many eukaryotes depends on the function of an actomyosin contractile ring. The mechanisms regulating assembly and positioning of this ring are not fully understood. The fission yeast Schizosaccharomyces pombe divides using an actomyosin ring and is an attractive organism for the study of cytokinesis. Recent studies in S. pombe (Wu, J.Q., V. Sirotkin, D.R. Kovar, M. Lord, C.C. Beltzner, J.R. Kuhn, and T.D. Pollard. 2006. J. Cell Biol. 174:391–402; Vavylonis, D., J.Q. Wu, S. Hao, B. O'Shaughnessy, and T.D. Pollard. 2008. Science. 319:97–100) have suggested that the assembly of the actomyosin ring is initiated from a series of cortical nodes containing several components of this ring. These studies have proposed that actomyosin interactions bring together the cortical nodes to form a compacted ring structure. In this study, we test this model in cells that are unable to assemble cortical nodes. Although the cortical nodes play a role in the timing of ring assembly, we find that they are dispensable for the assembly of orthogonal actomyosin rings. Thus, a mechanism that is independent of cortical nodes is sufficient for the assembly of normal actomyosin rings.

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