nitric oxide;
cytokinin;
signal transduction;
Nicotiana tabacum;
D O I:
10.1016/S0014-5793(01)03164-7
中图分类号:
Q5 [生物化学];
Q7 [分子生物学];
学科分类号:
071010 ;
081704 ;
摘要:
4,5-Diaminofluoresecin. a fluorescence indicator for NO. was applied to detect the release of NO from plant cells. NO production was increased within 3 min when plant cell cultures (Arabidopsis. parsley, and tobacco) were treated by cytokinin and was dose-dependent and signal-specific in that other plant hormones and inactive cytokinin analog were not effective in stimulating of NO release. The response was quenched by addition of 2-(aminoethyl)-2-thiopseudourea, an inhibitor of the animal NO synthase, and by addition of an NO scavenger. 2-(4-carboxvphenyl)-4,4,5,5-tetramethylimidazoline1-1-oxy-3-oxide. These results imply that NO may act in cytokinin signal transduction. (C) 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V.. All rights reserved.
机构:
Univ Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, ArgentinaUniv Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, Argentina
Beligni, MV
Lamattina, L
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h-index: 0
机构:
Univ Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, ArgentinaUniv Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, Argentina
机构:
Univ Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, ArgentinaUniv Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, Argentina
Beligni, MV
Lamattina, L
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, ArgentinaUniv Nacl Mar Del Plata, Fac Ciencias Exactas & Nat, Inst Invest Biol, RA-7600 Mar Del Plata, Argentina