| | |  | | | | Record from Web of Science® | | | | | | |
| The Arabidopsis sensor His-kinase, AHK4, can respond to cytokinins |
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| Author(s): Suzuki T, Miwa K, Ishikawa K, Yamada H, Aiba H, Mizuno T |
| Source: PLANT AND CELL PHYSIOLOGY Volume: 42 Issue: 2 Pages: 107-113 Published: FEB 2001 |
| Times Cited: 125 References: 50 |
| Abstract: His-to-Asp (His-->Asp) phosphorelay mechanisms are presumably involved in propagation of certain environmental stimuli, including phytohormones, in Arabidopsis thaliana, In addition to the previously characterized His-kinases, namely, the ETR1 family of ethylene receptors, CKI1 cytokinin-sensor, and ATHK1 osomo-sensor, this higher plant has three more His-kinases (named AHK2, AHK3, and AHK4). By employing the well-known His-->Asp phosphorelay systems in both the fission yeast and Escherichia coil, evidence is presented showing that the AHK4 His-kinase has an ability to serve as a cytokinin-responsive environmental sensor, Taking advantage of this AHK4-dependent His-->Asp phosphorelay system in E. coli, a phosphorelay interaction between the Arabidopsis His-kinase and histidine-containing phosphotransmitters (AHPs) was also demonstrated for the first time. |
| Document Type: Article |
| Language: English |
| Reprint Address: Mizuno, T (reprint author), Nagoya Univ, Sch Agr, Mol Microbiol Lab, Chikusa Ku, Nagoya, Aichi 4648601 Japan |
Addresses:
1. Nagoya Univ, Sch Agr, Mol Microbiol Lab, Chikusa Ku, Nagoya, Aichi 4648601 Japan |
| Publisher: OXFORD UNIV PRESS, GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND |
| Subject Category: Plant Sciences; Cell Biology |
| IDS Number: 406QQ |
| ISSN: 0032-0781 |
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| | | | | | | | | Record from Web of Science® | | | | | | | | | |