Microarray experiments to specifically-expressed genes

GSM ID GSM133943
Assay name Weigel_2-35_CHIP-214-B_Rep2_ATH1
GSE experiment GSE5746: FRI FLC combos

Click Gene ID to show a list of GSM assays in which the gene are specifically expressed.

Std2 GX %ile Std GX Gene ID Repr. ID Gene name Functional description O.I. C.G. H.G. Other DB
57.399.887.1At4g34400829590DNA binding / transcription factorF:transcription factor activity, DNA binding;P:regulation of transcription, DNA-dependent;C:endomembrane system;MOBFPVAO.I.C.G.H.G.
29.399.726.3At4g27240828832zinc finger (C2H2 type) family proteinF:transcription factor activity, zinc ion binding, nucleic acid binding;P:regulation of transcription;C:intracellular;PFOO.I.C.G.H.G.
28.999.7119.5At1g44760841040universal stress protein (USP) family proteinF:molecular_function unknown;P:response to stress;C:unknown;PMOO.I.C.G.H.G.
28.399.746.0At2g42800818880AtRLP29 (Receptor Like Protein 29)F:protein binding;P:unknown;C:anchored to membrane, plant-type cell wall;PMOBFAO.I.C.G.H.G.
27.599.7381.5At4g29030829024glycine-rich proteinF:molecular_function unknown;P:biological_process unknown;C:endomembrane system;BMOPFVAO.I.C.G.H.G.
25.999.783.2At3g50070824169CYCD3Encode CYCD3;3, a CYCD3 D-type cyclin. Important for determining cell number in developing lateral organs. Mediating cytokinin effects in apical growth and development.O.I.C.G.H.G.
25.899.724.1At1g16070838177AtTLP8 (TUBBY LIKE PROTEIN 8)Member of TLP familyO.I.C.G.H.G.
25.699.7158.9At1g13710837932CYP78A5member of CYP78AO.I.C.G.H.G.
25.399.671.6At5g65410836666HB25 (HOMEOBOX PROTEIN 25)Encodes ZFHD2, a member of the zinc finger homeodomain transcriptional factor family.O.I.C.G.H.G.
25.299.673.4At5g51560835230leucine-rich repeat transmembrane protein kinase, putativeF:protein binding, protein serine/threonine kinase activity, protein tyrosine kinase activity, protein kinase activity, ATP binding;P:transmembrane receptor protein tyrosine kinase signaling pathway, protein amino acid phosphorylation;C:endomembrane system;PMOBFVAO.I.C.G.H.G.
24.499.657.9At5g48360834889formin homology 2 domain-containing protein / FH2 domain-containing proteinF:actin binding;P:cellular component organization, actin cytoskeleton organization;C:unknown;MPOFVBAO.I.C.G.H.G.
23.799.641.8At5g43020834317leucine-rich repeat transmembrane protein kinase, putativeF:protein serine/threonine kinase activity, kinase activity, ATP binding;P:transmembrane receptor protein tyrosine kinase signaling pathway, protein amino acid phosphorylation;C:endomembrane system;PMOBFVAO.I.C.G.H.G.
23.599.628.0At1g67040843024unknown proteinF:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;PMFO.I.C.G.H.G.
23.099.697.7At5g28640832968AN3 (ANGUSTIFOLIA 3)Encodes a protein with similarity to mammalian transcriptional coactivator that is involved in cell proliferation during leaf and flower development. Loss of function mutations have narrow, pointed leaves and narrow floral organs. AN3 interacts with members of the growth regulating factor (GRF) family of transcription factors.O.I.C.G.H.G.
22.499.686.3At5g44620834490CYP706A3member of CYP706AO.I.C.G.H.G.
22.299.688.4At4g37750829931ANT (AINTEGUMENTA)ANT is required for control of cell proliferation and encodes a putative transcriptional regulator similar to AP2. Loss of function alleles have reduced fertility, abnormal ovules and abnormal lateral organs. Expressed specifically in the chalaza and in floral organ primordia.O.I.C.G.H.G.
22.199.627.3At5g07180830609ERL2 (ERECTA-LIKE 2)Encodes a receptor-like kinase that, together with ER and ERL1 governs the initial decision of protodermal cells to either divide proliferatively to produce pavement cells or divide asymmetrically to generate stomatal complexes. It is also important for maintaining stomatal stem cell activity and preventing terminal differentiation of the meristemoid into the guard mother cell. When heterozygous in an er/erl1 null background, plants are female sterile due to cell division defect in the integuments.O.I.C.G.H.G.
21.999.6207.2At1g18250838405ATLP-1encodes a thaumatin-like proteinO.I.C.G.H.G.
21.999.621.8At1g10980837641-F:unknown;P:biological_process unknown;C:vacuole;MFPOO.I.C.G.H.G.
21.499.681.3At2g43800818984formin homology 2 domain-containing protein / FH2 domain-containing proteinF:actin binding;P:cellular component organization, actin cytoskeleton organization;C:plasma membrane;MPFOBVAO.I.C.G.H.G.
21.399.623.7At1g28360839732ERF12 (ERF DOMAIN PROTEIN 12)encodes a member of the ERF (ethylene response factor) subfamily B-1 of ERF/AP2 transcription factor family (ERF12). The protein contains one AP2 domain. There are 15 members in this subfamily including ATERF-3, ATERF-4, ATERF-7, and leafy petiole.O.I.C.G.H.G.
21.199.638.4At3g61830825356ARF18 (AUXIN RESPONSE FACTOR 18)F:transcription factor activity;P:response to hormone stimulus, regulation of transcription, DNA-dependent, regulation of transcription;C:nucleus;PMBAFOO.I.C.G.H.G.
21.199.631.5At3g54720824637AMP1 (ALTERED MERISTEM PROGRAM 1)Encodes glutamate carboxypeptidase. Various alleles show-increased cotyledon number and rate of leaf initiation, show transformation of leaves to cotyledons, altered flowering time and photomorphogenesis and an increased level of cytokinin biosynthesis. Involved in ethylene enhanced hypocotyl elongation in the light. Strong genetic interaction between TGH and AMP1.O.I.C.G.H.G.
20.999.636.4At3g13960820609AtGRF5 (GROWTH-REGULATING FACTOR 5)Growth regulating factor encoding transcription activator. One of the nine members of a GRF gene family, containing nuclear targeting domain. Involved in leaf development and expressed in root, shoot and flower.O.I.C.G.H.G.
20.799.628.8At3g22790821850kinase interacting family proteinF:molecular_function unknown;P:biological_process unknown;C:plasma membrane;MOBFPAVO.I.C.G.H.G.
20.799.628.4At2g29890817539VLN1 (VILLIN-LIKE 1)Encodes a ubiquitously expressed villin-like protein, whose mRNA may be alternatively processed. Villin belongs to a superfamily of actin binding proteins called the villin/gelsolin family. Animal villins are involved in actin binding. VLN1 protein co-localizes with actin filaments in several assays. VLN1 binds and bundles F-actin in a calcium-independent manner. It does not nucleate, cap or sever actin filaments and it stabilizes actin filaments, protecting them from ADF-mediated depolymerization.O.I.C.G.H.G.
20.599.6123.4At4g38660830022thaumatin, putativeF:molecular_function unknown;P:response to other organism;C:anchored to membrane;PFMBOVO.I.C.G.H.G.
20.499.662.0At1g53160841749SPL4 (SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 4)Encodes a member of the SPL (squamosa-promoter binding protein-like)gene family, a novel gene family encoding DNA binding proteins and putative transcription factors. Contains the SBP-box, which encodes the SBP-domain, required and sufficient for interaction with DNA. It is involved in regulation of flowering and vegetative phase change. Its temporal expression is regulated by the microRNA miR156. The target site for the microRNA is in the 3'UTR.O.I.C.G.H.G.
20.299.653.0At2g36570818230leucine-rich repeat transmembrane protein kinase, putativeF:protein serine/threonine kinase activity, kinase activity, ATP binding;P:transmembrane receptor protein tyrosine kinase signaling pathway, protein amino acid phosphorylation;C:plasma membrane;PMOBFVAO.I.C.G.H.G.
19.799.6232.0At1g62500842547protease inhibitor/seed storage/lipid transfer protein (LTP) family proteinF:lipid binding;P:lipid transport;C:endomembrane system;MBPOFVAO.I.C.G.H.G.
19.599.669.1At1g57820842157VIM1 (VARIANT IN METHYLATION 1)Encodes a 645-amino acid methylcytosine-binding protein with a PHD domain, two RING finger domains, and an SRA domain that is involved in centromere heterochromatinization. This protein functions as an E3 ubiquitin ligase in vitro. The protein has been shown to bind to methylated cytosines of CG, CNG and CNN motifs via its SRA domain but has a preference for the former. It plays a role in the establishment/maintenance of chromatin structure during cell division and is localized in the nucleus. Plants over-expressing VIM1/ORTH2 show an inhibition in root growth and a delay in flowering. Both over-expression of GFP:ORTH2 and loss of ORTH2/VIM1 lead to decreased levels of DNA methylation. GFP:ORTH2 over-expressers also have increased levels of FWA transcripts.O.I.C.G.H.G.
19.599.615.1At3g58770825046unknown proteinF:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;POO.I.C.G.H.G.
19.199.645.2At5g25090832580plastocyanin-like domain-containing proteinF:electron carrier activity, copper ion binding;P:unknown;C:anchored to plasma membrane, plasma membrane, anchored to membrane;PO.I.C.G.H.G.
19.099.519.6At4g30130829136unknown proteinF:molecular_function unknown;P:N-terminal protein myristoylation;C:cellular_component unknown;PMFO.I.C.G.H.G.
19.099.517.2At1g72670843599iqd8 (IQ-domain 8)F:calmodulin binding;P:biological_process unknown;C:cellular_component unknown;PMFOO.I.C.G.H.G.
18.999.547.9At5g11160830985APT5 (Adenine phosphoribosyltransferase 5)F:adenine phosphoribosyltransferase activity;P:nucleoside metabolic process, adenine salvage, anaerobic respiration, nucleotide metabolic process;C:cellular_component unknown;BOAMFPO.I.C.G.H.G.
18.999.513.9At1g19830838570auxin-responsive protein, putativeF:molecular_function unknown;P:response to auxin stimulus;C:cellular_component unknown;POO.I.C.G.H.G.
18.699.565.4At5g20740832197invertase/pectin methylesterase inhibitor family proteinF:enzyme inhibitor activity, pectinesterase inhibitor activity, pectinesterase activity;P:biological_process unknown;C:endomembrane system;PO.I.C.G.H.G.
18.199.547.9At2g21050816640amino acid permease, putativeF:amino acid transmembrane transporter activity, transporter activity;P:amino acid transport, response to nematode;C:membrane;PFMOO.I.C.G.H.G.
18.199.542.0At3g02210821245COBL1 (COBRA-LIKE PROTEIN 1 PRECURSOR)F:unknown;P:biological_process unknown;C:anchored to membrane;PO.I.C.G.H.G.
17.999.576.9At1g75240843861AtHB33 (ARABIDOPSIS THALIANA HOMEOBOX PROTEIN 33)F:transcription factor activity, DNA binding;P:regulation of transcription;C:cellular_component unknown;PMOFBVO.I.C.G.H.G.
17.899.515.0At1g70510843388KNAT2 (KNOTTED-LIKE FROM ARABIDOPSIS THALIANA 2)A member of class I knotted1-like homeobox gene family (together with KNAT1). Similar to the knotted1 (kn1) homeobox gene of maize. KNAT2 acts synergistically with cytokinins and antagonistically with ethylene based on ectopic expression studies in different mutant backgrounds and hormone treatments. In addition, KNAT2 is negatively regulated by AS and YABBY genes. KNAT2 is strongly expressed in the shoot apex of seedlings, while in mature plants the gene is primarily expressed in flowers and inflorescence stems.O.I.C.G.H.G.
17.799.525.6At2g16270816123unknown proteinF:molecular_function unknown;P:biological_process unknown;C:chloroplast;MOBFPVAO.I.C.G.H.G.
17.599.5167.1At5g08000830694E13L3 (GLUCAN ENDO-1,3-BETA-GLUCOSIDASE-LIKE PROTEIN 3)Encodes a member of the X8-GPI family of proteins. It localizes to the plasmodesmata and binds callose.O.I.C.G.H.G.
17.599.536.4At3g06220819796DNA binding / transcription factorF:transcription factor activity, DNA binding;P:regulation of transcription, DNA-dependent;C:cellular_component unknown;PO.I.C.G.H.G.
17.499.540.2At3g25980822195mitotic spindle checkpoint protein, putative (MAD2)F:DNA binding;P:mitosis, mitotic cell cycle spindle assembly checkpoint;C:endomembrane system;MFOPO.I.C.G.H.G.
17.499.524.6At3g12170820394DNAJ heat shock N-terminal domain-containing proteinF:unfolded protein binding, heat shock protein binding;P:protein folding;C:cellular_component unknown;BOMFPAVO.I.C.G.H.G.
17.399.5128.3At3g53190824485pectate lyase family proteinF:lyase activity, pectate lyase activity;P:biological_process unknown;C:anchored to membrane;BPFOO.I.C.G.H.G.
17.299.5331.1At2g28790817428osmotin-like protein, putativeF:molecular_function unknown;P:response to other organism;C:plant-type cell wall;PFMBOO.I.C.G.H.G.
17.299.5111.4At5g16250831485unknown proteinF:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;PO.I.C.G.H.G.
17.299.547.8At2g42200818820SPL9 (SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 9)Encodes a putative transcriptional regulator that is involved in the vegetative to reproductive phase transition. Expresssion is regulated by MIR156b.O.I.C.G.H.G.
17.299.510.4At1g60630842357leucine-rich repeat family proteinF:protein kinase activity, kinase activity, ATP binding;P:transmembrane receptor protein tyrosine kinase signaling pathway, protein amino acid phosphorylation;C:endomembrane system;PMOBFVAO.I.C.G.H.G.
17.199.534.3At2g25270817065unknown proteinF:unknown;P:unknown;C:plasma membrane;POBMO.I.C.G.H.G.
17.199.515.2At1g55200841963protein kinase family proteinF:protein tyrosine kinase activity, protein kinase activity, kinase activity, ATP binding;P:protein amino acid phosphorylation;C:plasma membrane;MPOBFVAO.I.C.G.H.G.
17.099.559.1At4g15830827264bindingF:binding;P:biological_process unknown;C:cellular_component unknown;MPOFO.I.C.G.H.G.
16.999.5206.6At5g51750835249ATSBT1.3 (ARABIDOPSIS THALIANA SUBTILASE 1.3)F:identical protein binding, serine-type endopeptidase activity;P:proteolysis, negative regulation of catalytic activity;C:apoplast;BPFOAMO.I.C.G.H.G.
16.999.5104.1At3g02640821289unknown proteinF:molecular_function unknown;P:biological_process unknown;C:unknown;POO.I.C.G.H.G.
16.999.564.6At2g45190819127AFO (ABNORMAL FLORAL ORGANS)Encodes a member of the YABBY family of transcriptional regulators that is involved in abaxial cell type specification in leaves and fruits. YAB1 acts in a non-cell autonomous fashion within the meristem to affect phyllotactic patterning. The non-autonomous effect on the central region of the meristem is mediated through the activity if Lateral Suppressor (LAS).O.I.C.G.H.G.
16.799.5137.2At4g38680830024GRP2 (GLYCINE RICH PROTEIN 2)Encodes a glycine-rich protein that binds nucleic acids and promotes DNA melting. Its transcript and protein levels are up-regulated in response to cold treatment with protein levels peaking earlier in shoots (~10-14 days) than in roots (~21 days). It is normally expressed in meristematic regions and developing tissues where cell division occurs. RNAi and antisense lines with lower levels of CSP2/GRP2 transcripts flower earlier than wild type plants and have some defects in anther and seed development.O.I.C.G.H.G.
16.799.545.3At1g66250842942glycosyl hydrolase family 17 proteinF:cation binding, hydrolase activity, hydrolyzing O-glycosyl compounds, catalytic activity;P:carbohydrate metabolic process;C:anchored to plasma membrane, plasma membrane, anchored to membrane;PFOO.I.C.G.H.G.
16.699.594.6At2g25060817044plastocyanin-like domain-containing proteinF:electron carrier activity, copper ion binding;P:unknown;C:anchored to plasma membrane, plasma membrane, anchored to membrane;PO.I.C.G.H.G.
16.599.5146.1At2g26330817173ER (ERECTA)Homologous to receptor protein kinases. Involved in specification of organs originating from the shoot apical meristem. Contains a cytoplasmic protein kinase catalytic domain, a transmembrane region, and an extracellular leucine-rich repeat. ER has been identified as a quantitative trait locus for transpiration efficiency by influencing epidermal and mesophyll development, stomatal density and porosity of leaves. It has been implicated in resistance to the bacterium Ralstonia solanacearum and to the necrotrophic fungus Plectosphaerella cucumerina. Together with ERL1 and ERL2, ER governs the initial decision of protodermal cells to either divide proliferatively to produce pavement cells or divide asymmetrically to generate stomatal complexes.O.I.C.G.H.G.
16.599.535.8At5g50740835146metal ion bindingF:metal ion binding;P:metal ion transport;C:cellular_component unknown;POMBFVO.I.C.G.H.G.
16.599.521.3At3g05470819712formin homology 2 domain-containing protein / FH2 domain-containing proteinF:actin binding;P:cellular component organization, actin cytoskeleton organization;C:endomembrane system;MPOFVBAO.I.C.G.H.G.
16.499.568.0At5g36710833636unknown proteinF:molecular_function unknown;P:biological_process unknown;C:endomembrane system;PO.I.C.G.H.G.
16.399.5109.5At3g14240820644subtilase family proteinF:identical protein binding, serine-type endopeptidase activity;P:proteolysis, negative regulation of catalytic activity;C:endomembrane system;BPOFAMO.I.C.G.H.G.
16.399.569.2At3g13510820553unknown proteinF:unknown;P:biological_process unknown;C:endomembrane system;PFBO.I.C.G.H.G.
16.299.5181.2At5g48485834904DIR1 (DEFECTIVE IN INDUCED RESISTANCE 1)encodes a putative apoplastic lipid transfer protein that is involved in systemic acquired resistance. Mutants in this gene exhibit wild-type local resistance to avirulent and virulent Pseudomonas syringae, but pathogenesis-related gene expression is abolished in uninoculated distant leaves and fail to develop SAR to virulent Pseudomonas or Peronospora parasitica.O.I.C.G.H.G.
16.299.510.8At4g35900829744FDbZIP protein required for positive regulation of flowering. Mutants are late flowering. FD interacts with FT to promote flowering.Expressed in the shoot apex in floral anlagen, then declines in floral primordia.O.I.C.G.H.G.
16.199.521.3At1g76310843964CYCB2core cell cycle genesO.I.C.G.H.G.
16.099.517.7At4g14200827060unknown proteinF:unknown;P:biological_process unknown;C:unknown;MBOFPAO.I.C.G.H.G.
15.899.534.1At5g25475832622DNA bindingF:DNA binding;P:regulation of transcription, DNA-dependent;C:cellular_component unknown;PO.I.C.G.H.G.
15.899.530.4At1g23000838908heavy-metal-associated domain-containing proteinF:metal ion binding;P:metal ion transport;C:cellular_component unknown;OPMFBO.I.C.G.H.G.
15.899.510.6At3g27920822415ATMYB0 (MYB DOMAIN PROTEIN 0)Encodes a Myb-like protein that is required for induction of trichome development.O.I.C.G.H.G.
15.899.56.4At1g14490838011DNA-binding protein-relatedF:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;PO.I.C.G.H.G.
15.699.526.2At5g60840836205unknown proteinF:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;MOBFPVAO.I.C.G.H.G.
15.699.518.1At3g63300825505phosphoinositide bindingF:phosphoinositide binding;P:signal transduction;C:unknown;OMPBFO.I.C.G.H.G.
15.699.513.0At1g31310840019hydroxyproline-rich glycoprotein family proteinF:transcription factor activity;P:regulation of transcription;C:unknown;MPOBFVAO.I.C.G.H.G.
15.599.593.8At4g23800828480high mobility group (HMG1/2) family proteinF:transcription factor activity;P:unknown;C:nucleus, chloroplast;MOBFPAVO.I.C.G.H.G.
15.599.542.8At1g02800839385ATCEL2Encodes a protein with similarity to endo-1,4-b-glucanases and is a member of Glycoside Hydrolase Family 9. CEL2 is induced by nemotodes and is expressed in syncitia induced by Heterodera schachtii.May be involved in the development and function of syncitia.O.I.C.G.H.G.
15.599.537.2At5g37010833671unknown proteinF:molecular_function unknown;P:N-terminal protein myristoylation;C:unknown;MOFBPVAO.I.C.G.H.G.
15.399.442.1At3g53400824508-F:molecular_function unknown;P:biological_process unknown;C:unknown;POO.I.C.G.H.G.
15.399.426.6At1g29270839801unknown proteinF:molecular_function unknown;P:biological_process unknown;C:endomembrane system;PO.I.C.G.H.G.
15.399.417.0At3g51290824292proline-rich family proteinF:unknown;P:N-terminal protein myristoylation;C:unknown;MPOBFVAO.I.C.G.H.G.
15.399.416.0At5g55520835646-F:unknown;P:biological_process unknown;C:unknown;MOBFPAVO.I.C.G.H.G.
15.299.417.4At5g03390831852unknown proteinF:molecular_function unknown;P:biological_process unknown;C:chloroplast;PO.I.C.G.H.G.
15.199.441.8At3g17680821035-F:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;POMBFO.I.C.G.H.G.
15.099.485.9At5g10400830904histone H3F:DNA binding;P:nucleosome assembly;C:nucleus, chloroplast, nucleosome;MFPOO.I.C.G.H.G.
15.099.450.6At1g54020841840myrosinase-associated protein, putativeF:hydrolase activity, acting on ester bonds, carboxylesterase activity;P:lipid metabolic process;C:vacuole;PBMO.I.C.G.H.G.
14.999.489.9At3g61310825303DNA-binding family proteinF:DNA binding;P:biological_process unknown;C:cellular_component unknown;PMFOBO.I.C.G.H.G.
14.999.413.8At3g57920824961SPL15 (SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 15)Encodes a putative transcriptional regulator that is involved in the vegetative to reproductive phase transition. Expression is regulated by MIR156b.O.I.C.G.H.G.
14.999.410.4At4g31805829309WRKY family transcription factorF:transcription factor activity;P:regulation of transcription, DNA-dependent;C:unknown;PMOBO.I.C.G.H.G.
14.799.493.3At5g22880832352HTB2Encodes a histone 2B (H2B) protein. This protein can be ubiquitinated in planta, and this modification depends on the HUB1 and HUB2 E3 ubiquitin ligases.O.I.C.G.H.G.
14.799.491.9At3g56370824804leucine-rich repeat transmembrane protein kinase, putativeF:protein serine/threonine kinase activity, kinase activity, ATP binding;P:transmembrane receptor protein tyrosine kinase signaling pathway, protein amino acid phosphorylation;C:endomembrane system;MPOBFVAO.I.C.G.H.G.
14.799.440.0At3g07540819943formin homology 2 domain-containing protein / FH2 domain-containing proteinF:actin binding;P:cellular component organization, actin cytoskeleton organization;C:plasma membrane;MOPFBVO.I.C.G.H.G.
14.799.434.3At3g18960821429transcriptional factor B3 family proteinF:transcription factor activity, DNA binding;P:regulation of transcription, DNA-dependent;C:cellular_component unknown;PO.I.C.G.H.G.
14.799.46.2At1g05370837038-F:molecular_function unknown;P:biological_process unknown;C:cellular_component unknown;FPMOO.I.C.G.H.G.
14.699.4149.2At4g31840829313plastocyanin-like domain-containing proteinF:electron carrier activity, copper ion binding;P:unknown;C:plasma membrane, anchored to membrane;PO.I.C.G.H.G.
14.699.463.1At1g18650838446PDCB3 (PLASMODESMATA CALLOSE-BINDING PROTEIN 3)Encodes a member of the X8-GPI family of proteins. It localizes to the plasmodesmata and is predicted to bind callose.O.I.C.G.H.G.
14.699.449.6At3g421703769417DNA bindingtransposase-like gene with conserved domains from the family of hAT transposases that includes hobo from Drosophila melanogaster, Activator (Ac) from maize, and Tam3 from snapdragon but lacks several amino acids known to be essential for Ac transposition5. The DAYSLEEPER gene lacks 8 bp duplications and TIRs (a common feature of transcriptionally silent hAT transposases), however, DAYSLEEPER expression was detected, and several expressed sequence tags are available. The expression seems to be under the control of factors determining the circadian rhythm. DAYSLEEPER was isolated as a factor binding to a motif (Kubox1) present in the upstream region of the Arabidopsis DNA repair gene Ku70. Mutant plants lacking DAYSLEEPER or strongly overexpressing this gene do not develop in a normal manner.O.I.C.G.H.G.



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