PrimePCR™ Probe Assay: ESP, Arabidopsis


Real-time PCR probe assay designed for gene expression analysis. Probe assays consist of unlabeled PCR primers and a dual labeled fluorescent probe.

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Assay Information

Technology:   qPCR
Assay Type:   Probe
Application:   Gene Expression
Unique Assay ID:   qAthCEP0026468
Assay Design:   Exonic
Chromosome Location:   4:12034011-12034127question
Amplicon Length:   87
Splice Variants Targeted:   AT4G22970.1 AT4G22970.2 AT2G30575.1

Gene Information

Encodes a separase (ESP), homologous to human and mouse separase protein. Separase is a capase family protease required for the release of sister chromatid cohesion during meiosis and mitosis. Arabidopsis separase contains a predicted 2Fe2S-ferredoxin domain that is not present in the proteins of other organisms. Also contains a putative EF-hand calcium binding domain. Mutant seeds exhibited embryo arrest at the globular stage. The endosperm also exhibited a weak titan-like phenotype. Transgenic plants expressing AESP RNA interference (RNAi) from the meiosis-specific DMC1 promoter exhibited alterations in chromosome segregation during meiosis I and II that resulted in polyads containing from one to eight microspores. Plays an essential role in embryo development. Required for the removal of cohesin from meiotic chromosomes and establishment of meiotic nuclear domains. This gene was also identified through the rsw4 mutant. Lines carrying recessive, temperature-sensitive mutations exhibit reduced anisotropic growth at 30 degrees Celsius. Microtubules and cellulose microfibrils are not depleted or disoriented in the mutants at the restrictive temperature.

Gene Symbol:   ESP
Gene Name:   Homolog of separase
Aliases:   Not Available
RefSeq:   NM_118426 NM_001203875
Ensembl:   AT4G22970
Entrez:   828396
UniGene:   At.32480
Chromosome Mapping:   Not Available

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