期刊
JOURNAL OF BIOCHEMISTRY
卷 136, 期 2, 页码 127-132出版社
OXFORD UNIV PRESS
DOI: 10.1093/jb/mvh118
关键词
plant cytokinesis; NACK1; NIPK1 MAPKKK; NQK1 MAPKK; NRK1 MAPK
Several components of mitogen-activated protein kinase (MAPK) cascades have been identified in higher plants and have been implicated in cellular responses to a wide variety of abiotic and biotic stimuli. Our recent work has demonstrated that a ALAP kinase cascade is involved in the regulation of cytokinesis in plant cells. The MAP kinase cascade in tobacco includes NIPK1 MAPK kinase kinase, NQK1 MAPK kinase, and NRK1 MAPK, and its activation is triggered by the binding of NACK1/2 kinesin-like protein to the NPK1 MAPK kinase kinase at the late M-phase of the cell cycle. We refer to this cascade as the NACK-PQR pathway. In this review, we introduce a mechanism for the regulation of plant cytokinesis, focusing on the role of the NACK-PQR pathway.
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