HINKEL kinesin, ANP MAPKKKs and MKK6/ANQ MAPKK, which phosphorylates and activates MPK4 MAPK, constitute a pathway that is required for cytokinesis in Arabidopsis thaliana.

Abstract excerpt

Cytokinesis is regulated to ensure the precise partitioning of cytoplasm and duplicated chromosomes to daughter cells. The NACK-PQR pathway, which includes NACK1 kinesin-like protein (KLP) and a mitogen-activated protein kinase (MAPK) cascade, plays a key role in cytokinesis in tobacco cells. Although HINKEL/AtNACK1 (HIK) KLP, ANP MAP kinase kinase kinases (MAPKKKs) and MKK6/ ANQ MAP kinase kinase (MAPKK) have...

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