IRA1, an inhibitory regulator of the RAS-cyclic AMP pathway in Saccharomyces cerevisiae
IRA1, an inhibitory regulator of the RAS-cyclic AMP pathway in Saccharomyces cerevisiae
复制标题
IRA1,酿酒酵母 RAS-环 AMP 通路的抑制性调节因子
DOI:
10.1128/mcb.9.2.757-768.1989
复制
发表时间:
1989
影响因子:
5.3
通讯作者:
A. Toh
中科院分区:
文献类型:
--
作者:
Kazuma Tanaka;K. Matsumoto;A. Toh
A mutation in the gene IRA1 (formerly called PPD1) was originally characterized as a deficiency of a phosphoprotein phosphatase. The IRA1 gene has been cloned and sequenced. A large open reading frame (8,817 base pairs) which can encode a protein of 2,938 amino acids was found. Northern (RNA) blot analysis detected a message of about 10 kilobases, and nuclease S1 protection demonstrated mRNA start points at 97 and 98 base pairs upstream from the putative initiator ATG codon. Disruption of the IRA1 gene resulted in sensitivity to nitrogen starvation and heat shock. Diploids homozygous for the disrupted IRA1 gene were deficient in sporulation. Disruption of the IRA1 gene suppressed the lethality of the cdc25 mutation but did not suppress the lethality of either the ras1 ras2 or the cyr1 mutations. Deficiency of the phosphoprotein phosphatase was not reproducible in the disruption mutant of the IRA1 gene. Moreover, the ira1 mutant showed an increased level of cyclic AMP. Our results suggest that the IRA1 protein inhibits the function of the RAS proteins in a fashion antagonistic to the function of the CDC25 protein in the RAS-cyclic AMP pathway in Saccharomyces cerevisiae.
登录
查看更多内容
DOI:
10.1126/science.7046050
发表时间:
1982
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Shortle,D;Haber,JE;Botstein,D
通讯作者:
Botstein,D
影响因子:
56.9
作者:
L. C. Robinson;J. Gibbs;M. Marshall;I. Sigal;K. Tatchell
通讯作者:
L. C. Robinson;J. Gibbs;M. Marshall;I. Sigal;K. Tatchell
DOI:
10.1073/pnas.84.14.4880
发表时间:
1987-07-01
影响因子:
11.1
作者:
GREEN, DD;YANG, SI;MUMBY, MC
通讯作者:
MUMBY, MC
DOI:
10.1073/pnas.79.6.1879
发表时间:
1982
影响因子:
11.1
作者:
Schneck,J;Rager-Zisman,B;Rosen,OM;Bloom,BR
通讯作者:
Bloom,BR
DOI:
10.1073/pnas.80.10.3035
发表时间:
1983-01-01
期刊:
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子:
--
作者:
JENSEN, R;SPRAGUE, GF;HERSKOWITZ, I
通讯作者:
HERSKOWITZ, I