A. thaliana TRANSPARENT TESTA 1 is involved in seed coat development and defines the WIP subfamily of plant zinc finger proteins.

PubWeight™: 1.62‹?› | Rank: Top 4%

🔗 View Article (PMC 155310)

Published in Genes Dev on January 01, 2002

Authors

Martin Sagasser1, Gui-Hua Lu, Klaus Hahlbrock, Bernd Weisshaar

Author Affiliations

1: Max-Planck-Institut für Züchtungsforschung, Abteilung Biochemie, D-50829 Köln, Germany.

Articles citing this

TRANSPARENT TESTA GLABRA2, a trichome and seed coat development gene of Arabidopsis, encodes a WRKY transcription factor. Plant Cell (2002) 3.59

Caught red-handed: Rc encodes a basic helix-loop-helix protein conditioning red pericarp in rice. Plant Cell (2006) 2.82

A transposon-induced epigenetic change leads to sex determination in melon. Nature (2009) 2.39

The grapevine transcription factor VvMYBPA1 regulates proanthocyanidin synthesis during fruit development. Plant Physiol (2007) 2.33

Proanthocyanidin-accumulating cells in Arabidopsis testa: regulation of differentiation and role in seed development. Plant Cell (2003) 2.18

Conservation, diversification and expansion of C2H2 zinc finger proteins in the Arabidopsis thaliana genome. BMC Genomics (2004) 1.66

Members of the LBD family of transcription factors repress anthocyanin synthesis and affect additional nitrogen responses in Arabidopsis. Plant Cell (2009) 1.66

ANTHOCYANIN1 of petunia controls pigment synthesis, vacuolar pH, and seed coat development by genetically distinct mechanisms. Plant Cell (2002) 1.63

Flavonoid diversity and biosynthesis in seed of Arabidopsis thaliana. Planta (2006) 1.61

The TRANSPARENT TESTA16 locus encodes the ARABIDOPSIS BSISTER MADS domain protein and is required for proper development and pigmentation of the seed coat. Plant Cell (2002) 1.58

A plasma membrane H+-ATPase is required for the formation of proanthocyanidins in the seed coat endothelium of Arabidopsis thaliana. Proc Natl Acad Sci U S A (2005) 1.52

Isolation of a regulatory gene of anthocyanin biosynthesis in tuberous roots of purple-fleshed sweet potato. Plant Physiol (2007) 1.34

The maize ID1 flowering time regulator is a zinc finger protein with novel DNA binding properties. Nucleic Acids Res (2004) 1.28

Seed dormancy and germination. Arabidopsis Book (2008) 1.27

CELLULOSE SYNTHASE9 serves a nonredundant role in secondary cell wall synthesis in Arabidopsis epidermal testa cells. Plant Physiol (2010) 1.19

MtPAR MYB transcription factor acts as an on switch for proanthocyanidin biosynthesis in Medicago truncatula. Proc Natl Acad Sci U S A (2012) 1.05

Architectural phenotypes in the transparent testa mutants of Arabidopsis thaliana. J Exp Bot (2009) 1.03

Endosperm and Nucellus Develop Antagonistically in Arabidopsis Seeds. Plant Cell (2016) 1.02

A new MADS-box gene (IbMADS10) from sweet potato (Ipomoea batatas (L.) Lam) is involved in the accumulation of anthocyanin. Mol Genet Genomics (2005) 1.01

Transcriptional control of flavonoid biosynthesis: fine-tuning of the MYB-bHLH-WD40 (MBW) complex. Plant Signal Behav (2014) 0.98

Genetic analysis and QTL mapping of seed coat color in sesame (Sesamum indicum L.). PLoS One (2013) 0.94

Differential accumulation of phenolic compounds and expression of related genes in black- and yellow-seeded Brassica napus. J Exp Bot (2013) 0.93

Communication between the maternal testa and the embryo and/or endosperm affect testa attributes in tomato. Plant Physiol (2003) 0.93

Mutant analysis, protein-protein interactions and subcellular localization of the Arabidopsis B sister (ABS) protein. Mol Genet Genomics (2005) 0.92

The promoter of the Arabidopsis thaliana BAN gene is active in proanthocyanidin-accumulating cells of the Brassica napus seed coat. Plant Cell Rep (2009) 0.91

High-density linkage map construction and mapping of seed trait QTLs in chickpea (Cicer arietinum L.) using Genotyping-by-Sequencing (GBS). Sci Rep (2015) 0.90

Expression analysis of flavonoid biosynthesis genes during Arabidopsis thaliana silique and seed development with a primary focus on the proanthocyanidin biosynthetic pathway. BMC Res Notes (2010) 0.87

A SNP-based consensus genetic map for synteny-based trait targeting in faba bean (Vicia faba L.). Plant Biotechnol J (2015) 0.87

GsZFP1, a new Cys2/His2-type zinc-finger protein, is a positive regulator of plant tolerance to cold and drought stress. Planta (2011) 0.86

Arabidopsis ICX1 is a negative regulator of several pathways regulating flavonoid biosynthesis genes. Plant Physiol (2003) 0.86

Fruit indehiscence caused by enhanced expression of NO TRANSMITTING TRACT in Arabidopsis thaliana. Mol Cells (2013) 0.85

Update on transparent testa mutants from Arabidopsis thaliana: characterisation of new alleles from an isogenic collection. Planta (2014) 0.82

SEEDSTICK is a master regulator of development and metabolism in the Arabidopsis seed coat. PLoS Genet (2014) 0.81

A Genome-wide Combinatorial Strategy Dissects Complex Genetic Architecture of Seed Coat Color in Chickpea. Front Plant Sci (2015) 0.77

Seeds of Arabidopsis plants expressing dominant-negative AtSKD1 under control of the GL2 promoter show a transparent testa phenotype and a mucilage defect. Plant Signal Behav (2010) 0.77

RNA-seq-based evaluation of bicolor tepal pigmentation in Asiatic hybrid lilies (Lilium spp.). BMC Genomics (2016) 0.76

RNA-Seq profiling of a defective seed coat mutation in Glycine max reveals differential expression of proline-rich and other cell wall protein transcripts. PLoS One (2014) 0.76

Metabolic patterns associated with the seasonal rhythm of seed survival after dehydration in germinated seeds of Schismus arabicus. BMC Plant Biol (2015) 0.75

Expression of Key Structural Genes of the Phenylpropanoid Pathway Associated with Catechin Epimerization in Tea Cultivars. Front Plant Sci (2017) 0.75

Fine Mapping and Whole-Genome Resequencing Identify the Seed Coat Color Gene in Brassica rapa. PLoS One (2016) 0.75

Genome-wide identification of pistil-specific genes expressed during fruit set initiation in tomato (Solanum lycopersicum). PLoS One (2017) 0.75

Transcriptional profiling of catechins biosynthesis genes during tea plant leaf development. Planta (2017) 0.75

Articles cited by this

Analysis of the genome sequence of the flowering plant Arabidopsis thaliana. Nature (2000) 70.33

TreeView: an application to display phylogenetic trees on personal computers. Comput Appl Biosci (1996) 56.57

Fitting a mixture model by expectation maximization to discover motifs in biopolymers. Proc Int Conf Intell Syst Mol Biol (1994) 37.96

Early flower development in Arabidopsis. Plant Cell (1990) 20.67

Repetitive zinc-binding domains in the protein transcription factor IIIA from Xenopus oocytes. EMBO J (1985) 20.39

Zinc finger-DNA recognition: crystal structure of a Zif268-DNA complex at 2.1 A. Science (1991) 15.97

Arabidopsis transcription factors: genome-wide comparative analysis among eukaryotes. Science (2000) 11.68

The WRKY superfamily of plant transcription factors. Trends Plant Sci (2000) 8.68

Flavonoid biosynthesis. A colorful model for genetics, biochemistry, cell biology, and biotechnology. Plant Physiol (2001) 7.44

DNA recognition by Cys2His2 zinc finger proteins. Annu Rev Biophys Biomol Struct (2000) 6.61

New plant binary vectors with selectable markers located proximal to the left T-DNA border. Plant Mol Biol (1992) 6.52

Analysis of Arabidopsis mutants deficient in flavonoid biosynthesis. Plant J (1995) 4.87

Influence of the testa on seed dormancy, germination, and longevity in Arabidopsis. Plant Physiol (2000) 4.65

Strong, constitutive expression of the Arabidopsis ACT2/ACT8 actin subclass in vegetative tissues. Plant J (1996) 4.08

Genes controlling fertilization-independent seed development in Arabidopsis thaliana. Proc Natl Acad Sci U S A (1999) 3.81

The TT8 gene encodes a basic helix-loop-helix domain protein required for expression of DFR and BAN genes in Arabidopsis siliques. Plant Cell (2000) 3.76

Protein motifs 5. Zinc fingers. FASEB J (1995) 3.46

The TRANSPARENT TESTA12 gene of Arabidopsis encodes a multidrug secondary transporter-like protein required for flavonoid sequestration in vacuoles of the seed coat endothelium. Plant Cell (2001) 3.40

The indeterminate gene encodes a zinc finger protein and regulates a leaf-generated signal required for the transition to flowering in maize. Cell (1998) 3.18

Role of SUPERMAN in maintaining Arabidopsis floral whorl boundaries. Nature (1995) 3.08

Cloning vectors for the expression of green fluorescent protein fusion proteins in transgenic plants. Gene (1998) 2.95

Regulatory Genes Controlling Anthocyanin Pigmentation Are Functionally Conserved among Plant Species and Have Distinct Sets of Target Genes. Plant Cell (1993) 2.95

Knock-out mutants from an En-1 mutagenized Arabidopsis thaliana population generate phenylpropanoid biosynthesis phenotypes. Proc Natl Acad Sci U S A (1998) 2.68

Zinc fingers are sticking together. Trends Biochem Sci (1998) 2.63

Regulation of Flavonoid Biosynthetic Genes in Germinating Arabidopsis Seedlings. Plant Cell (1992) 2.49

Phenylpropanoid biosynthesis and its regulation. Curr Opin Plant Biol (1998) 2.18

The BANYULS gene encodes a DFR-like protein and is a marker of early seed coat development. Plant J (1999) 2.10

Arabidopsis seed coat development: morphological differentiation of the outer integument. Plant J (2000) 2.09

ANTHOCYANINLESS2, a homeobox gene affecting anthocyanin distribution and root development in Arabidopsis. Plant Cell (1999) 1.84

Zinc-finger transcription factors in plants. Cell Mol Life Sci (1998) 1.74

Functional analysis of a light-responsive plant bZIP transcriptional regulator. Plant Cell (1994) 1.66

Disruption of specific flavonoid genes enhances the accumulation of flavonoid enzymes and end-products in Arabidopsis seedlings. Plant Mol Biol (1999) 1.54

Identification of the Arabidopsis thaliana flavonoid 3'-hydroxylase gene and functional expression of the encoded P450 enzyme. Biol Chem (2000) 1.53

Transactivation properties of parsley proline-rich bZIP transcription factors. Plant J (2000) 1.52

Construction and characterization of the IGF Arabidopsis BAC library. Mol Gen Genet (1998) 1.50

Zinc-finger proteins: the classical zinc finger emerges in contemporary plant science. Plant Mol Biol (1999) 1.50

Identification of UV/blue light-response elements in the Arabidopsis thaliana chalcone synthase promoter using a homologous protoplast transient expression system. Plant Mol Biol (1998) 1.47

Erythroid Kruppel like factor: from fishing expedition to gourmet meal. Int J Biochem Cell Biol (1999) 1.32

Isolation and characterisation of a diverse family of Arabidopsis two and three-fingered C2H2 zinc finger protein genes and cDNAs. Plant Mol Biol (1997) 1.28

Characterization of tt15, a novel transparent testa mutant of Arabidopsis thaliana (L.) Heynh. Planta (1999) 1.19

Cys2/His2 zinc-finger protein family of petunia: evolution and general mechanism of target-sequence recognition. Nucleic Acids Res (1998) 1.15

A new family of zinc finger proteins in petunia: structure, DNA sequence recognition, and floral organ-specific expression. Plant Cell (1994) 1.14

Rapid amplification of genomic ends (RAGE) as a simple method to clone flanking genomic DNA. Gene (1997) 0.95

A novel zinc finger protein encoded by a couch potato homologue from Solanum tuberosum enables a sucrose transport-deficient yeast strain to grow on sucrose. Mol Gen Genet (1995) 0.93

Articles by these authors

The genome of the mesopolyploid crop species Brassica rapa. Nat Genet (2011) 8.23

An Arabidopsis thaliana T-DNA mutagenized population (GABI-Kat) for flanking sequence tag-based reverse genetics. Plant Mol Biol (2003) 6.57

bZIP transcription factors in Arabidopsis. Trends Plant Sci (2002) 5.69

MYB transcription factors in Arabidopsis. Trends Plant Sci (2010) 4.64

The basic helix-loop-helix transcription factor family in plants: a genome-wide study of protein structure and functional diversity. Mol Biol Evol (2003) 4.02

TT2, TT8, and TTG1 synergistically specify the expression of BANYULS and proanthocyanidin biosynthesis in Arabidopsis thaliana. Plant J (2004) 3.45

Comprehensive identification of Arabidopsis thaliana MYB transcription factors interacting with R/B-like BHLH proteins. Plant J (2004) 3.16

A multilocus sequence survey in Arabidopsis thaliana reveals a genome-wide departure from a neutral model of DNA sequence polymorphism. Genetics (2005) 2.97

The Arabidopsis transcription factor MYB12 is a flavonol-specific regulator of phenylpropanoid biosynthesis. Plant Physiol (2005) 2.74

Differential regulation of closely related R2R3-MYB transcription factors controls flavonol accumulation in different parts of the Arabidopsis thaliana seedling. Plant J (2007) 2.64

Large-scale identification and analysis of genome-wide single-nucleotide polymorphisms for mapping in Arabidopsis thaliana. Genome Res (2003) 2.32

The transcription factor HIG1/MYB51 regulates indolic glucosinolate biosynthesis in Arabidopsis thaliana. Plant J (2007) 2.28

Differential combinatorial interactions of cis-acting elements recognized by R2R3-MYB, BZIP, and BHLH factors control light-responsive and tissue-specific activation of phenylpropanoid biosynthesis genes. Plant Mol Biol (2005) 2.22

Update on the basic helix-loop-helix transcription factor gene family in Arabidopsis thaliana. Plant Cell (2003) 2.15

FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana. FEBS Lett (2004) 1.99

The role of a pseudo-response regulator gene in life cycle adaptation and domestication of beet. Curr Biol (2012) 1.94

MYBL2 is a new regulator of flavonoid biosynthesis in Arabidopsis thaliana. Plant J (2008) 1.90

GABI-Kat SimpleSearch: new features of the Arabidopsis thaliana T-DNA mutant database. Nucleic Acids Res (2011) 1.86

Complete genome sequence and analysis of the multiresistant nosocomial pathogen Corynebacterium jeikeium K411, a lipid-requiring bacterium of the human skin flora. J Bacteriol (2005) 1.77

AtMYB12 regulates caffeoyl quinic acid and flavonol synthesis in tomato: expression in fruit results in very high levels of both types of polyphenol. Plant J (2008) 1.73

The grapevine R2R3-MYB transcription factor VvMYBF1 regulates flavonol synthesis in developing grape berries. Plant Physiol (2009) 1.68

T-DNA-mediated transfer of Agrobacterium tumefaciens chromosomal DNA into plants. Nat Biotechnol (2008) 1.68

The genome of Xanthomonas campestris pv. campestris B100 and its use for the reconstruction of metabolic pathways involved in xanthan biosynthesis. J Biotechnol (2008) 1.60

Iron deficiency-mediated stress regulation of four subgroup Ib BHLH genes in Arabidopsis thaliana. Planta (2007) 1.58

GABI-Kat SimpleSearch: a flanking sequence tag (FST) database for the identification of T-DNA insertion mutants in Arabidopsis thaliana. Bioinformatics (2003) 1.56

Whole-genome sequence of Listeria welshimeri reveals common steps in genome reduction with Listeria innocua as compared to Listeria monocytogenes. J Bacteriol (2006) 1.48

The Arabidopsis bZIP transcription factor HY5 regulates expression of the PFG1/MYB12 gene in response to light and ultraviolet-B radiation. Plant Cell Environ (2009) 1.47

Structural complexity, differential response to infection, and tissue specificity of indolic and phenylpropanoid secondary metabolism in Arabidopsis roots. Plant Physiol (2005) 1.46

The lifestyle of Corynebacterium urealyticum derived from its complete genome sequence established by pyrosequencing. J Biotechnol (2008) 1.40

Intracranial meningioma surgery in the elderly (over 65 years): prognostic factors and outcome. Acta Neurochir (Wien) (2015) 1.39

The 4-coumarate:CoA ligase gene family in Arabidopsis thaliana comprises one rare, sinapate-activating and three commonly occurring isoenzymes. Proc Natl Acad Sci U S A (2004) 1.34

GABI-Kat SimpleSearch: an Arabidopsis thaliana T-DNA mutant database with detailed information for confirmed insertions. Nucleic Acids Res (2006) 1.32

Toward the identification and regulation of the Arabidopsis thaliana ABI3 regulon. Nucleic Acids Res (2012) 1.25

Leucine zipper-containing WRKY proteins widen the spectrum of immediate early elicitor-induced WRKY transcription factors in parsley. Biochim Biophys Acta (2002) 1.20

A trans-splicing group I intron and tRNA-hyperediting in the mitochondrial genome of the lycophyte Isoetes engelmannii. Nucleic Acids Res (2009) 1.19

Ultrafast pyrosequencing of Corynebacterium kroppenstedtii DSM44385 revealed insights into the physiology of a lipophilic corynebacterium that lacks mycolic acids. J Biotechnol (2008) 1.18

Genome-scale Arabidopsis promoter array identifies targets of the histone acetyltransferase GCN5. Plant J (2008) 1.18

Comparative sequence analysis of Solanum and Arabidopsis in a hot spot for pathogen resistance on potato chromosome V reveals a patchwork of conserved and rapidly evolving genome segments. BMC Genomics (2007) 1.17

Elongation-related functions of LEAFY COTYLEDON1 during the development of Arabidopsis thaliana. Plant J (2012) 1.14

Analysis of PRODUCTION OF FLAVONOL GLYCOSIDES-dependent flavonol glycoside accumulation in Arabidopsis thaliana plants reveals MYB11-, MYB12- and MYB111-independent flavonol glycoside accumulation. New Phytol (2010) 1.13

The Arabidopsis thylakoid protein PAM68 is required for efficient D1 biogenesis and photosystem II assembly. Plant Cell (2010) 1.11

Metabolomic and genetic analyses of flavonol synthesis in Arabidopsis thaliana support the in vivo involvement of leucoanthocyanidin dioxygenase. Planta (2008) 1.09

A unique transcriptome: 1782 positions of RNA editing alter 1406 codon identities in mitochondrial mRNAs of the lycophyte Isoetes engelmannii. Nucleic Acids Res (2010) 1.09

High-throughput generation of sequence indexes from T-DNA mutagenized Arabidopsis thaliana lines. Biotechniques (2003) 1.09

Analysis of DNA polymorphisms in sugar beet (Beta vulgaris L.) and development of an SNP-based map of expressed genes. Theor Appl Genet (2007) 1.08

Construction of a 'unigene' cDNA clone set by oligonucleotide fingerprinting allows access to 25 000 potential sugar beet genes. Plant J (2002) 1.08

Candidate genes within a 143 kb region of the flower sex locus in Vitis. Mol Genet Genomics (2012) 1.04

Two immediate-early pathogen-responsive members of the AtCMPG gene family in Arabidopsis thaliana and the W-box-containing elicitor-response element of AtCMPG1. Proc Natl Acad Sci U S A (2002) 1.04

Targeted identification of short interspersed nuclear element families shows their widespread existence and extreme heterogeneity in plant genomes. Plant Cell (2011) 1.04

Universally occurring phenylpropanoid and species-specific indolic metabolites in infected and uninfected Arabidopsis thaliana roots and leaves. Phytochemistry (2004) 1.03

A systematic survey in Arabidopsis thaliana of transcription factors that modulate circadian parameters. BMC Genomics (2008) 1.00

Palaeohexaploid ancestry for Caryophyllales inferred from extensive gene-based physical and genetic mapping of the sugar beet genome (Beta vulgaris). Plant J (2012) 0.99

Complete genome sequence of Listeria seeligeri, a nonpathogenic member of the genus Listeria. J Bacteriol (2010) 0.96

A simplified method for the analysis of transcription factor-promoter interactions that allows high-throughput data generation. Plant J (2007) 0.96

Crosstalk among stress responses in plants: pathogen defense overrides UV protection through an inversely regulated ACE/ACE type of light-responsive gene promoter unit. Proc Natl Acad Sci U S A (2002) 0.94

Isolation and linkage analysis of expressed disease-resistance gene analogues of sugar beet (Beta vulgaris L.). Genome (2003) 0.91

QTL analysis of flowering time and ripening traits suggests an impact of a genomic region on linkage group 1 in Vitis. Theor Appl Genet (2014) 0.90

A WD40-repeat gene from Malus x domestica is a functional homologue of Arabidopsis thaliana TRANSPARENT TESTA GLABRA1. Plant Cell Rep (2010) 0.90

GABI-DUPLO: a collection of double mutants to overcome genetic redundancy in Arabidopsis thaliana. Plant J (2013) 0.89

Construction and characterization of a sugar beet (Beta vulgaris) fosmid library. Genome (2008) 0.88

Trace2PS and FSA2PS: two software toolkits for converting trace and fsa files to PostScript format. Source Code Biol Med (2009) 0.88

Arabidopsis thaliana expresses a second functional flavonol synthase. FEBS Lett (2009) 0.88

Leucoanthocyanidin Dioxygenase in Arabidopsis thaliana: characterization of mutant alleles and regulation by MYB-BHLH-TTG1 transcription factor complexes. Gene (2011) 0.88

Analysis of T-DNA insertion site distribution patterns in Arabidopsis thaliana reveals special features of genes without insertions. Genomics (2006) 0.87

Expression analysis of flavonoid biosynthesis genes during Arabidopsis thaliana silique and seed development with a primary focus on the proanthocyanidin biosynthetic pathway. BMC Res Notes (2010) 0.87

TRANSPARENT TESTA1 interacts with R2R3-MYB factors and affects early and late steps of flavonoid biosynthesis in the endothelium of Arabidopsis thaliana seeds. Plant J (2011) 0.86

LucTrap vectors are tools to generate luciferase fusions for the quantification of transcript and protein abundance in vivo. Plant Physiol (2006) 0.86

Epigenetic profiling of heterochromatic satellite DNA. Chromosoma (2011) 0.85

Genome-wide identification and characterisation of R2R3-MYB genes in sugar beet (Beta vulgaris). BMC Plant Biol (2014) 0.82

Update on transparent testa mutants from Arabidopsis thaliana: characterisation of new alleles from an isogenic collection. Planta (2014) 0.82

Fast forward genetics to identify mutations causing a high light tolerant phenotype in Chlamydomonas reinhardtii by whole-genome-sequencing. BMC Genomics (2015) 0.79

Diversity of a complex centromeric satellite and molecular characterization of dispersed sequence families in sugar beet (Beta vulgaris). Ann Bot (2008) 0.79

Highly diverse chromoviruses of Beta vulgaris are classified by chromodomains and chromosomal integration. Mob DNA (2013) 0.79

Analysis of a c0t-1 library enables the targeted identification of minisatellite and satellite families in Beta vulgaris. BMC Plant Biol (2010) 0.78

Evolutionary reshuffling in the Errantivirus lineage Elbe within the Beta vulgaris genome. Plant J (2012) 0.78

Induction of 3'-O-beta-D-ribofuranosyl adenosine during compatible, but not during incompatible, interactions of Arabidopsis thaliana or Lycopersicon esculentum with Pseudomonas syringae pathovar tomato. Planta (2003) 0.78

An abundant and heavily truncated non-LTR retrotransposon (LINE) family in Beta vulgaris. Plant Mol Biol (2009) 0.78

Survey of sugar beet (Beta vulgaris L.) hAT transposons and MITE-like hATpin derivatives. Plant Mol Biol (2012) 0.78

The CHH motif in sugar beet satellite DNA: a modulator for cytosine methylation. Plant J (2014) 0.77

High-throughput identification of genetic markers using representational oligonucleotide microarray analysis. Theor Appl Genet (2010) 0.77

Profiling of extensively diversified plant LINEs reveals distinct plant-specific subclades. Plant J (2014) 0.77

Integrating bioinformatic resources to predict transcription factors interacting with cis-sequences conserved in co-regulated genes. BMC Genomics (2014) 0.77

A potent anticancer agent of shikonin derivative targeting tubulin. Chirality (2015) 0.75

Weird fingers: functional analysis of WIP domain proteins. FEBS Lett (2010) 0.75