Ken & Barbie, okina, ok
BTB-POZ domain transcription factor with C-terminal zinc finger - recruits NURF by physical interaction to engender transcriptional repression - involved in genital disc development
Please see the JBrowse view of Dmel\ken for information on other features
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AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Some regions with low pLDDT may be unstructured in isolation.
Low-frequency RNA-Seq exon junction(s) not annotated.
Gene model reviewed during 5.46
Tissue-specific extension of 3' UTRs observed during later stages (FBrf0218523, FBrf0219848); all variants may not be annotated
3.0 (northern blot)
3.2 (northern blot)
There is only one protein coding transcript and one polypeptide associated with this gene
601 (aa)
Click to get a list of regulatory features (enhancers, TFBS, etc.) and gene disruptions (point mutations, indels, etc.) within or overlapping Dmel\ken using the Feature Mapper tool.
The testis specificity index was calculated from modENCODE tissue expression data by Vedelek et al., 2018 to indicate the degree of testis enrichment compared to other tissues. Scores range from -2.52 (underrepresented) to 5.2 (very high testis bias).
Comment: maternally deposited
Comment: anlage in statu nascendi
Comment: anlage in statu nascendi
ken expression is enriched in border follicle cells relative to other cells in the egg chamber.
Northern analysis indicates that expression of ken is higher during embryonic and pupal stages than in larval stages. Expression of ken is higher in adult females than in males. ken transcript is expressed ubiquitously in both male and female genital discs and eye-antennal discs. In the embryo ken transcript is detected in stage 5 blastoderm embryos as 2 stripes at 64% and 17% egg length. Expression is stronger with the anterior expression just posterior to the cephalic furrow and posterior expression confined to the hindgut primordium. Anterior expression disappears by stage 9 and then reappears in the foregut at stage 15. Posterior expression is confined to the hindgut and anal pad.
ken transcripts are first detected in early stage 5 embryos in two circumferential rings around the embryo at 17% and 64% egg length. At the end of stage 5, they co-localize with the first and seventh ftz stripes. The anterior stripe fades while the staining in the posterior domain persists until the end of embyrogenesis in the posterior spiracles. Expression is also observed at stage 16 in the foregut, the proventriculus, the dorsal pouch, the hindgut, and the anal pads.
JBrowse - Visual display of RNA-Seq signals
View Dmel\ken in JBrowse





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Please Note This section lists cDNAs and ESTs that fall within the genomic extent of the gene model, which may include cDNAs and ESTs of genes within introns, or of overlapping genes. Please see JBrowse for alignment of the cDNAs and ESTs to the gene model.
For each fully sequenced cDNA the DGRC maintains various forms of the cDNA (e.g tagged or untagged) in several different host vectors for subsequent cloning and expression in Drosophila and Drosophila cell lines.
polyclonal
S2 cells treated with dsRNA generated against this gene show reduced phagocytosis of Candida albicans compared to untreated cells.
RNAi generated by PCR using primers directed to this gene causes a cell growth and viability phenotype when assayed in Kc167 and S2R+ cells.
Mutants show malformation of adult terminalia.
Identification: Enhancer trap expression pattern survey for loci expressed in the ring gland.
Mutant homozygous males prematurely terminate copulation.
Sperm transfer defect.
Locus originally described and named by C. Berg.
Source for merge of: ken okina
Source for identity of: ken CG5575