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AN INDUCIBLE EXPRESSION VECTOR FOR BOTH FISSION AND BUDDING YEAST
被引:51
作者
:
PICARD, D
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
PICARD, D
[
1
]
SCHENA, M
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
SCHENA, M
[
1
]
YAMAMOTO, KR
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
YAMAMOTO, KR
[
1
]
机构
:
[1]
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
来源
:
GENE
|
1990年
/ 86卷
/ 02期
基金
:
美国国家卫生研究院;
美国国家科学基金会;
新加坡国家研究基金会;
关键词
:
controlled promoter;
glucocorticoid receptor;
Recombinant DNA;
Saccharomyces cerevisiae;
Schizosaccharomyces pombe;
shuttle plasmid;
steroids;
D O I
:
10.1016/0378-1119(90)90287-2
中图分类号
:
Q3 [遗传学];
学科分类号
:
071007 ;
090102 ;
摘要
:
We have developed a vector system for inducible gene expression in both fission yeast (Schizosaccharomyces pombe) and budding yeast (Saccharomyces cerevisiae). The autonomously replicating expression vector contains multiple glucocorticoid response elements, rendering a linked promoter inducible 20-70-fold by glucocorticoid hormones in the presence of the mammalian glucocorticoid receptor. A polylinker with several unique cloning sites allows insertion of cDNAs of interest. Glucocorticoids are gratuitous signalling molecules in yeast, exerting little or no effect on the expression of genes other than those fused to the regulated promoter. © 1990.
引用
收藏
页码:257 / 261
页数:5
相关论文
共 20 条
[1]
HIGH-FREQUENCY TRANSFORMATION OF THE FISSION YEAST SCHIZOSACCHAROMYCES-POMBE
BEACH, D
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
BEACH, D
NURSE, P
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
NURSE, P
[J].
NATURE,
1981,
290
(5802)
: 140
-
142
[2]
THE STEROID AND THYROID-HORMONE RECEPTOR SUPERFAMILY
EVANS, RM
论文数:
0
引用数:
0
h-index:
0
EVANS, RM
[J].
SCIENCE,
1988,
240
(4854)
: 889
-
895
[3]
STEROID-RECEPTORS - HOW TO BE BOTH A RECEPTOR AND A TRANSCRIPTION FACTOR
GODOWSKI, PJ
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
GODOWSKI, PJ
PICARD, D
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
PICARD, D
[J].
BIOCHEMICAL PHARMACOLOGY,
1989,
38
(19)
: 3135
-
3143
[4]
NUCLEAR RECEPTORS ENHANCE OUR UNDERSTANDING OF TRANSCRIPTION REGULATION
GREEN, S
论文数:
0
引用数:
0
h-index:
0
机构:
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
GREEN, S
CHAMBON, P
论文数:
0
引用数:
0
h-index:
0
机构:
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
CHAMBON, P
[J].
TRENDS IN GENETICS,
1988,
4
(11)
: 309
-
314
[5]
HEME REGULATES TRANSCRIPTION OF THE CYC1 GENE OF S-CEREVISIAE VIA AN UPSTREAM ACTIVATION SITE
GUARENTE, L
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
GUARENTE, L
MASON, T
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
MASON, T
[J].
CELL,
1983,
32
(04)
: 1279
-
1286
[6]
EACH OF 3 TATA ELEMENTS SPECIFIES A SUBSET OF THE TRANSCRIPTION INITIATION SITES AT THE CYC-1 PROMOTER OF SACCHAROMYCES-CEREVISIAE
HAHN, S
论文数:
0
引用数:
0
h-index:
0
HAHN, S
HOAR, ET
论文数:
0
引用数:
0
h-index:
0
HOAR, ET
GUARENTE, L
论文数:
0
引用数:
0
h-index:
0
GUARENTE, L
[J].
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,
1985,
82
(24)
: 8562
-
8566
[7]
TRANSFORMATION OF INTACT YEAST-CELLS TREATED WITH ALKALI CATIONS
ITO, H
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
ITO, H
FUKUDA, Y
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
FUKUDA, Y
MURATA, K
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
MURATA, K
KIMURA, A
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KIMURA, A
[J].
JOURNAL OF BACTERIOLOGY,
1983,
153
(01)
: 163
-
168
[8]
COOPERATIVITY OF GLUCOCORTICOID RESPONSE ELEMENTS LOCATED FAR UPSTREAM OF THE TYROSINE AMINOTRANSFERASE GENE
JANTZEN, HM
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
JANTZEN, HM
STRAHLE, U
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
STRAHLE, U
GLOSS, B
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GLOSS, B
STEWART, F
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
STEWART, F
SCHMID, W
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
SCHMID, W
BOSHART, M
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
BOSHART, M
MIKSICEK, R
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
MIKSICEK, R
SCHUTZ, G
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
SCHUTZ, G
[J].
CELL,
1987,
49
(01)
: 29
-
38
[9]
JONES EW, 1977, GENETICS, V85, P23
[10]
EXPRESSION OF THE SV40 PROMOTER IN FISSION YEAST - IDENTIFICATION AND CHARACTERIZATION OF AN AP-1-LIKE FACTOR
JONES, RH
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
JONES, RH
论文数:
引用数:
h-index:
机构:
MORENO, S
NURSE, P
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
NURSE, P
JONES, NC
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
JONES, NC
[J].
CELL,
1988,
53
(04)
: 659
-
667
←
1
2
→
共 20 条
[1]
HIGH-FREQUENCY TRANSFORMATION OF THE FISSION YEAST SCHIZOSACCHAROMYCES-POMBE
BEACH, D
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
BEACH, D
NURSE, P
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
UNIV SUSSEX, GENET GRP, BRIGHTON BN1 9QG, E SUSSEX, ENGLAND
NURSE, P
[J].
NATURE,
1981,
290
(5802)
: 140
-
142
[2]
THE STEROID AND THYROID-HORMONE RECEPTOR SUPERFAMILY
EVANS, RM
论文数:
0
引用数:
0
h-index:
0
EVANS, RM
[J].
SCIENCE,
1988,
240
(4854)
: 889
-
895
[3]
STEROID-RECEPTORS - HOW TO BE BOTH A RECEPTOR AND A TRANSCRIPTION FACTOR
GODOWSKI, PJ
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
GODOWSKI, PJ
PICARD, D
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
UNIV CALIF SAN FRANCISCO,DEPT BIOCHEM & BIOPHYS,SAN FRANCISCO,CA 94143
PICARD, D
[J].
BIOCHEMICAL PHARMACOLOGY,
1989,
38
(19)
: 3135
-
3143
[4]
NUCLEAR RECEPTORS ENHANCE OUR UNDERSTANDING OF TRANSCRIPTION REGULATION
GREEN, S
论文数:
0
引用数:
0
h-index:
0
机构:
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
GREEN, S
CHAMBON, P
论文数:
0
引用数:
0
h-index:
0
机构:
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
FAC MED STRASBOURG,INST CHIM BIOL,CNRS,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE
CHAMBON, P
[J].
TRENDS IN GENETICS,
1988,
4
(11)
: 309
-
314
[5]
HEME REGULATES TRANSCRIPTION OF THE CYC1 GENE OF S-CEREVISIAE VIA AN UPSTREAM ACTIVATION SITE
GUARENTE, L
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
GUARENTE, L
MASON, T
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
UNIV MASSACHUSETTS,DEPT BIOCHEM,AMHERST,MA 01003
MASON, T
[J].
CELL,
1983,
32
(04)
: 1279
-
1286
[6]
EACH OF 3 TATA ELEMENTS SPECIFIES A SUBSET OF THE TRANSCRIPTION INITIATION SITES AT THE CYC-1 PROMOTER OF SACCHAROMYCES-CEREVISIAE
HAHN, S
论文数:
0
引用数:
0
h-index:
0
HAHN, S
HOAR, ET
论文数:
0
引用数:
0
h-index:
0
HOAR, ET
GUARENTE, L
论文数:
0
引用数:
0
h-index:
0
GUARENTE, L
[J].
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,
1985,
82
(24)
: 8562
-
8566
[7]
TRANSFORMATION OF INTACT YEAST-CELLS TREATED WITH ALKALI CATIONS
ITO, H
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
ITO, H
FUKUDA, Y
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
FUKUDA, Y
MURATA, K
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
MURATA, K
KIMURA, A
论文数:
0
引用数:
0
h-index:
0
机构:
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KYOTO UNIV,FOOD SCI RES INST,KYOTO 611,JAPAN
KIMURA, A
[J].
JOURNAL OF BACTERIOLOGY,
1983,
153
(01)
: 163
-
168
[8]
COOPERATIVITY OF GLUCOCORTICOID RESPONSE ELEMENTS LOCATED FAR UPSTREAM OF THE TYROSINE AMINOTRANSFERASE GENE
JANTZEN, HM
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
JANTZEN, HM
STRAHLE, U
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
STRAHLE, U
GLOSS, B
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GLOSS, B
STEWART, F
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
STEWART, F
SCHMID, W
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
SCHMID, W
BOSHART, M
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
BOSHART, M
MIKSICEK, R
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
MIKSICEK, R
SCHUTZ, G
论文数:
0
引用数:
0
h-index:
0
机构:
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
GERMAN CANC RES CTR,INST CELL & TUMOR BIOL,D-6900 HEIDELBERG,FED REP GER
SCHUTZ, G
[J].
CELL,
1987,
49
(01)
: 29
-
38
[9]
JONES EW, 1977, GENETICS, V85, P23
[10]
EXPRESSION OF THE SV40 PROMOTER IN FISSION YEAST - IDENTIFICATION AND CHARACTERIZATION OF AN AP-1-LIKE FACTOR
JONES, RH
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
JONES, RH
论文数:
引用数:
h-index:
机构:
MORENO, S
NURSE, P
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
NURSE, P
JONES, NC
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
UNIV OXFORD,DEPT BIOCHEM,MICROBIOL UNIT,IMPERIAL CANC RES FUND,CELL CYCLE CONTROL LAB,OXFORD OX1 3QU,ENGLAND
JONES, NC
[J].
CELL,
1988,
53
(04)
: 659
-
667
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