SPL cDNA ORF clone, Arabidopsis thaliana(thale cress)

Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana.
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Nature402(6763)769-77(1999 Dec)

Data show that the protein kinases MPK3 and MPK6 can both interact with SPOROCYTELESS/NOZZLE (SPL) in vitro and in vivo and can phosphorylate the SPL protein in vitro.
Title: Phosphorylation of SPOROCYTELESS/NOZZLE by the MPK3/6 Kinase Is Required for Anther Development.

SPL recruits topless/topless-related (TPL/TPR) co-repressors to inhibit the Cincinnata (CIN)-like Teosinte branched1/cycloidea/PCF (TCP) transcription factors.
Title: The molecular mechanism of sporocyteless/nozzle in controlling Arabidopsis ovule development.

Data showed that SPOROCYTELESS (SPL) most likely functions as a transcription repressor by interacting with TCP family transcription factors and the TOPLESS (TPL) co-repressors.
Title: SPOROCYTELESS is a novel embryophyte-specific transcription repressor that interacts with TPL and TCP proteins in Arabidopsis.

The transcription factors BEL1 and SPL/NZZ, previously described as key regulators of ovule development, are needed for the auxin and cytokinin signaling pathways for the correct patterning of the ovule.
Title: The transcription factors BEL1 and SPL are required for cytokinin and auxin signaling during ovule development in Arabidopsis.

results demonstrate that the miR156-regulated SPLs establish a direct link between developmental programming and trichome distribution
Title: Temporal control of trichome distribution by microRNA156-targeted SPL genes in Arabidopsis thaliana.