CHANNEL STRUCTURE AND DIVALENT-CATION REGULATION OF PHOTOTRANSDUCTION

被引:1
作者
HURWITZ, RL
SRIVASTAV, D
HURWITZ, MY
机构
[1] BAYLOR COLL MED,DEPT CELL BIOL,HOUSTON,TX 77030
[2] UNIV HOUSTON,COLL OPTOMETRY,HOUSTON,TX 77204
关键词
D O I
10.1017/S0140525X00039339
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
The identification of additional subunits of the cGMP-gated cation channel suggests exciting questions about their regulatory roles and about structure/functional relationships. How do the different subunits interact? How is the complex assembled into the plasma membrane? Divalent cations have been implicated in the regulation of adaptation. One often overlooked cation is magnesium. Could this ion play a role in phototransduction?
引用
收藏
页码:478 / 478
页数:1
相关论文
共 11 条
[1]  
CHEN SH, 1992, J PHYSIOL-LONDON, V452, pP194
[2]   A NEW SUBUNIT OF THE CYCLIC NUCLEOTIDE-GATED CATION CHANNEL IN RETINAL RODS [J].
CHEN, TY ;
PENG, YW ;
DHALLAN, RS ;
AHAMED, B ;
REED, RR ;
YAU, KW .
NATURE, 1993, 362 (6422) :764-767
[3]   IDENTIFICATION, PURIFICATION, AND FUNCTIONAL RECONSTITUTION OF THE CYCLIC GMP-DEPENDENT CHANNEL FROM ROD PHOTORECEPTORS [J].
COOK, NJ ;
HANKE, W ;
KAUPP, UB .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1987, 84 (02) :585-589
[4]  
COOK NJ, 1989, J BIOL CHEM, V264, P6996
[5]   INTRACELLULAR FREE MAGNESIUM IN SYNAPTOSOMES MEASURED WITH ENTRAPPED ERIOCHROME BLUE [J].
HEINONEN, E ;
AKERMAN, KEO .
BIOCHIMICA ET BIOPHYSICA ACTA, 1987, 898 (03) :331-337
[6]  
HURWITZ R, 1991, J BIOL CHEM, V266, P7975
[7]  
MOLDAY RS, 1991, J BIOL CHEM, V266, P21917
[8]   CYTOSOLIC FREE MAGNESIUM IN CARDIAC MYOCYTES - IDENTIFICATION OF A MG-2+ INFLUX PATHWAY [J].
QUAMME, GA ;
RABKIN, SW .
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1990, 167 (03) :1406-1412
[9]  
RAJU B, 1989, AM J PHYSIOL, V256, P548
[10]   ELEMENTAL DISTRIBUTION IN RANA-PIPIENS RETINAL RODS - QUANTITATIVE ELECTRON-PROBE ANALYSIS [J].
SOMLYO, AP ;
WALZ, B .
JOURNAL OF PHYSIOLOGY-LONDON, 1985, 358 (JAN) :183-&