M. Koornneef

Details der Publikationsliste

Zeitraum

1977 - 2009

Anzahl

519

Co-Autoren

Quantitative trait loci for glucosinolate accumulation in Brassica rapa leaves (2008)

Lou, P., Zhao, Jianjun, He, Hongju, Hanhart, C.J., Verkerk, R., ...

Glucosinolates and their breakdown products have been recognized for their effects on plant defense, human health, flavor and taste of cruciferous vegetables. Despite this importance, little is known...

Quantitative trait loci for glucosinolate accumulation in Brassica rapa leaves (2008)

Lou, P., Zhao, J., He, Hongju, Hanhart, C.J., Pino, D., Verkerk, R., ...

Glucosinolates and their breakdown products have been recognized for their effects on plant defense, human health, flavor and taste of cruciferous vegetables. Despite this importance, little is known...

A mixed model QTL analysis for a complex cross population consisting of a half diallel of two-way hybrids in Arabidopsis thaliana: analysis of simulated data (2008)

Paulo, M.J., Boer, M., Huang, X., Koornneef, M.

Abstract To improve QTL detection power for QTL main effects and interactions and QTL mapping resolution, new types of multi-founder crossing populations are created in plants and animals. Some...

Quantitative genetics in the age of omics (2008)

Keurentjes, J.J.B., Koornneef, M., Vreugdenhil, D.

The use of natural variation in the genetic dissection of quantitative traits has a long-standing tradition. Recent advances in high-throughput technologies for the quantification of biological...

Quantitative trait loci analysis of phytate and phosphate concentrations in seeds and leaves of Brassica rapa (2008)

Zhao, J., Jamar, D.C.L., Lou, P., Wang, Y., Wu, J., Wang, X., ...

Phytate, being the major storage form of phosphorus in plants, is considered to be an anti-nutritional substance for human, because of its ability to complex essential micronutrients. In the present...

Next generation of elevated [CO2] experiments with crops: a critical investment for feeding the future world (2008)

Ainsworth, E.A., Beier, C., Calfapietra, C., Ceulemans, R., Durand-Tardif, M., Koornneef, M.

A rising global population and demand for protein-rich diets are increasing pressure to maximize agricultural productivity. Rising atmospheric [CO2] is altering global temperature and precipitation...

Mapping QTLs for mineral accumulation and shoot dry biomass under different Zn nutritional conditions in Chinese cabbage ( Brassica rapa L. ssp. pekinensis ) (2008)

Wu, J., Yuan, Y-X, Zhang, X-W, Zhao, J., Song, X., Li, Y., ...

Abstract Chinese cabbage (Brassica rapa L. ssp. pekinensis) is one of the most important vegetables in China. Genetic dissection of leaf mineral accumulation and tolerance to Zn stress is important...

Combined Genetic and Modeling Approaches Reveal That Epidermal Cell Area and Number in Leaves Are Controlled by Leaf and Plant Developmental Processes in Arabidopsis (2008)

Tisne, S., Reymond, M., Vile, D., Fabre, J., Dauzat, M., Koornneef, M., ...

Both leaf production and leaf expansion are tightly linked to cell expansion and cell division, but the functional relationships between all these variables are not clearly established. To get...

Integrative analyses of genetic variation in enzyme activities of primary carbohydrate metabolism reveal distinct modes of regulation in Arabidopsis thaliana (2008)

Keurentjes, J.J.B., Sulpice, R., Gibon, Y., Steinhauser, M-C., Fu, J., Koornneef, M., ...

Background Plant primary carbohydrate metabolism is complex and flexible, and is regulated at many levels. Changes of transcript levels do not always lead to changes in enzyme activities, and these...

A mixed model QTL analysis for a complex cross population consisting of a half diallel of two-way hybrids in Arabidopsis thaliana : analysis of simulated data (2008)

Paulo, M.J., Boer, M.P., Huang, X., Koornneef, M.

To improve QTL detection power for QTL main effects and interactions and QTL mapping resolution, new types of multi-founder crossing populations are created in plants and animals. Some recent...

Integrative analyses of genetic variation in enzyme activities of primary carbohydrate metabolism reveal distinct modes of regulation in Arabidopsis thaliana (2008)

Keurentjes, J. J. B., Sulpice, R., Gibon, Y., Steinhauser, M. C., Fu, J. Y., Koornneef, M., ...

Background: Plant primary carbohydrate metabolism is complex and flexible, and is regulated at many levels. Changes of transcript levels do not always lead to changes in enzyme activities, and these...

System-wide molecular evidence for phenotypic buffering in Arabidopsis (2008)

Fu, J., Keurentjes, J.J.B., Bouwmeester, H.J., America, T., Verstappen, F., Ward, J.L., ...

We profiled 162 lines of Arabidopsis for variation in transcript, protein and metabolite abundance using mRNA microarrays, two-dimensional polyacrylamide gel electrophoresis, gas chromatography...

A Dialogue on Interdisciplinary Collaboration to Bridge the Gap between Plant Genomics and Crop Sciences (2007)

Struik, P. C., Cassman, Kenneth G., Koornneef, M.

In the future, more food needs to be produced with increasingly scarce natural resources. Genomics can play a key role in accelerating yield gains because it helps to improve our understanding of...

Control of FWA gene silencing in Arabidopsis thaliana by SINE-related direct repeats (2007)

Kinoshita, Y., Saze, H., Kinoshita, T., Miura, A., Soppe, W.J., Koornneef, M., ...

A unique feature of late-flowering fwa epigenetic mutations is that the phenotype is caused by ectopic expression of the homeobox gene FWA. During normal development the FWA gene is expressed...

A dialogue on interdisciplinary collaboration to bridge the gap between plant genomics and crop sciences (2007)

Struik, P.C., Cassman, K.G., Koornneef, M.

In the future, more food needs to be produced with increasingly scarce natural resources. Genomics can play a key role in accelerating yield gains because it helps to improve our understanding...

Development of a near-isogenic line population of Arabidopsis thaliana and comparison of mapping power with a recombinant inbred line population (2007)

Keurentjes, J.J.B., Bentsink, L., Alonso-Blanco, C., Effgen, S., Vreugdenhil, D., ...

In Arabidopsis recombinant inbred line (RIL) populations are widely used for quantitative trait locus (QTL) analyses. However, mapping analyses with this type of population can be limited because of...

Association mapping of leaf traits, flowering time, and phytate content in Brassica rapa (2007)

Paulo, M.J., Jamar, D.C.L., Lou, P., Bonnema, A.B., ...

Association mapping was used to investigate the genetic basis of variation within Brassica rapa, which is an important vegetable and oil crop. We analyzed the variation of phytate and phosphate...

Quantitative trait loci for flowering time and morphological traits in multiple populations of Brassica rapa (2007)

Lou, P., Kim, J.S., Shen, Shuxing, Song, Xiaofei, ...

Wide variation for morphological traits exists in Brassica rapa and the genetic basis of this morphological variation is largely unknown. Here is a report on quantitative trait loci (QTL) analysis of...

Characterization of natural variation for zinc, iron and manganese accumulation and zinc exposure response in Brassica rapa L. (2007)

Wu, J., Schat, H., Koornneef, M., Wang, X., Aarts, M.G.M.

Brassica rapa L. is an important vegetable crop in eastern Asia. The objective of this study was to investigate the genetic variation in leaf Zn, Fe and Mn accumulation, Zn toxicity tolerance and Zn...

Use of QTL analysis in physiological research (2007)

Vreugdenhil, D., Koornneef, M., Sergeeva, L.

Quantitative trait locus (QTL) analysis is a powerful approach to map and subsequently identify genes involved in complex traits. Here we describe the basic principles and recent achievements of this...

Association mapping of leaf traits, flowering time, and phytate content in Brassica rapa (2007)

Zhao, Jianjun, Paulo, M.J., Jamar, D.C.L., Lou, P., Bonnema, G., ...

Association mapping was used to investigate the genetic basis of variation within Brassica rapa, which is an important vegetable and oil crop. We analyzed the variation of phytate and phosphate...

Genetics meets metabolomics: Unraveling plant metabolism (2006)

Keurentjes, J.J.B., Fu, Y., Lommen, A., Hall, R.D., Bino, R.J., ...

Variation for metabolite composition and content is often observed in plants. However, it is poorly understood to what extent this variation has a genetic basis. Here, we describe the genetic...

A dialogue on interdisciplinary collaboration to bridge the gap between plant genomics and crop sciences (2006)

Struik, P.C., Cassman, K.G., Koornneef, M.

In the future, more food needs to be produced with increasingly scarce natural resources. Genomics can play a key role in accelerating yield gains because it helps to improve our understanding...

Large Expression Differences in Genes for Iron and Zinc Homeostasis, Stress Response, and Lignin Biosynthesis Distinguish Roots of Arabidopsis thaliana and the Related Metal Hyperaccumulator Thlaspi caerulescens. (2006)

Almar Villanueva, L., Schat, H., Kwekkeboom, J., Coughlan, S., Moerland, P.D., ...

The micronutrient zinc has an essential role in physiological and metabolic processes in plants as a cofactor or structural element in 300 catalytic and noncatalytic proteins, but it is very toxic...

Cloning of DOG1, a quantitative trait locus controlling seed dormancy in Arabidopsis (2006)

Bentsink, L., Jowett, J., Hanhart, C.J., Koornneef, M.

Genetic variation for seed dormancy in nature is a typical quantitative trait controlled by multiple loci on which environmental factors have a strong effect. Finding the genes underlying dormancy...

Vacuolar invertase regulates elongation of Arabidopsis thaliana roots as revealed by QTL and mutant analysis. (2006)

Sergeeva, L.I., Keurentjes, J.J.B., Bentsink, L., Vonk, J., Koornneef, M., ...

The possible role of the sucrose-splitting enzymes sucrose synthase and invertase in elongating roots and hypocotyls of Arabidopsis was tested by using a combination of histochemical methods and...

New Arabidopsis recombinant inbred line populations genotyped using SNPWave and their use for mapping flowering-time quantitative trait loci. (2006)

Bentsink, L., Hanhart, C.J., Ruys, G.J., Rovito, D., Broekhof, J.L.M., ...

The SNPWave marker system, based on SNPs between the reference accessions Colombia-0 and Landsberg erecta (Ler), was used to distinguish a set of 92 Arabidopsis accessions from various parts of the...

Large Expression Differences in Genes for Iron and Zinc Homeostasis, Stress Response, and Lignin Biosynthesis Distinguish Roots of Arabidopsis thaliana and the Related Metal Hyperaccumulator Thlaspi caerulescens. (2006)

Almar Villanueva, L., Schat, H., Kwekkeboom, J., Coughlan, S., Moerland, P.D., ...

The micronutrient zinc has an essential role in physiological and metabolic processes in plants as a cofactor or structural element in 300 catalytic and noncatalytic proteins, but it is very toxic...

Genetic analysis (2006)

Koornneef, M., Alonso-Blanco, C., Stam, P.

The Mendelian analysis of genetic variation, available as induced mutants or as natural variation, requires a number of steps that are described in this chapter. These include the determination of...

The genetics of plant metabolism (2006)

Keurentjes, J.J.B., Fu, J., Lommen, A., Hall, R.D., Bino, R.J., ...

Variation for metabolite composition and content is often observed in plants. However, it is poorly understood to what extent this variation has a genetic basis. Here, we describe the genetic...

Large expression differences in genes for iron and zinc homeostasis, stress response, and lignin biosynthesis distinguish roots of Arabidopsis thaliana and the related metal hyperaccumulator Thlaspi caerulescens (2006)

Villanueva, L. Almar, Schat, H., Kwekkeboom, J., Coughlan, S., Moerland, P.D., ...

The micronutrient zinc has an essential role in physiological and metabolic processes in plants as a cofactor or structural element in 300 catalytic and noncatalytic proteins, but it is very toxic...

Genetic relationships within Brassica rapa as inferred from AFLP finterprints (2005)

Wang, Xiaowu, Deng, Bo, Lou, P., Wu, J., Sun, R., ...

Amplified fragment length polymorphism (AFLP) markers were employed to assess the genetic diversity amongst two large collections of Brassica rapa accessions. Collection A consisted of 161 B. rapa...

Altered photosynthetic performance of a natural Arabidopsis accession is associated with atrazine resistance (2005)

Rodrigues, G.C., Snel, J.F.H., Dassen, J.H.A., Koornneef, M., ...

Natural variation for photosynthetic traits was studied by determining chlorophyll fluorescence parameters in a collection of Arabidopsis accessions. This screen revealed only one single accession...

From phenotypic to molecular polymorphisms involved in naturally occurring variation for plant development (2005)

Alonso-Blanco, C., Mendez-Vigo, B., Koornneef, M.

An enormous amount of naturally occurring genetic variation affecting development is found within wild and domesticated plant species. This diversity is presumably involved in plant adaptation to...

Genetic and molecular analyses of natural variation indicate CBF2 as a candidate gene for underlying a freezing tolerance quantitative trait locus in Arabidopsis (2005)

Alonso-Blanco, C., Gomez-Mena, C, Llorente, F., Koornneef, M., Salinas, J., Martinez-Zapater, J.M.

Natural variation for freezing tolerance is a major component of adaptation and geographic distribution of plant species. However, little is known about the genes and molecular mechanisms that...

Gene function beyond the single trait: natural variation, gene effects, and evolutionary ecology in Arabidopsis thaliana (2005)

Tonsor, S.J., Alonso-Blanco, C., Koornneef, M.

The purpose of plant functional genomics is to describe the patterns of gene expression and internal plant function underlying the ecological functions that sustain plant growth and reproduction....

Sucrose-specific induction of anthocyanin biosynthesis in Arabidopsis requires the MYB75/PAP1 gene. (2005)

Teng, S, Keurentjes, J.J.B., Bentsink, L., Koornneef, M., Smeekens, S.

Sugar-induced anthocyanin accumulation has been observed in many plant species. We observed that sucrose (Suc) is the most effective inducer of anthocyanin biosynthesis in Arabidopsis (Arabidopsis...

Quantitative trait local analysis of growth-related traits in a new Arabidopsis recombinant inbred population (2004)

Clerkx, E.J.M., Ruijs, G.J., Koornneef, M., Vreugdenhil, D.

Arabidopsis natural variation was used to analyze the genetics of plant growth rate. Screening of 22 accessions revealed a large variation for seed weight, plant dry weight and relative growth rate...

Naturally occurring genetic variation in Arabidopsis thaliana (2004)

Koornneef, M., Alonso-Blanco, C., Vreugdenhil, D.

Currently, genetic variation is probably the most important basic resource for plant biology. In addition to the variation artificially generated by mutants in model plants, naturally occurring...

Natural variation and QTL analysis for cation mineral content in seeds of Arabidopsis thaliana (2004)

Vreugdenhil, D., Aarts, M.G.M., Koornneef, M., Nelissen, H., Ernst, W.H.O.

Naturally occurring genetic variation for contents of cationic minerals in seeds of Arabidopsis thaliana was studied by screening a series of accessions (ecotypes) for Ca, Fe, K, Mg, Mn, Na, Zn, and...

Genetic differences in seed longevity of various Arabidopsis mutants (2004)

Clerkx, E.J.M., Ruijs, G.J., Groot, S.P.C., Koornneef, M.

Seeds gradually lose their viability during dry storage. The damage that occurs at the biochemical level can alter the seed physiological status and is affected by the storage conditions of the...

Pleiotropic effects of the Arabidopsis cryptochrome 2 allelic variation underlie fruit trait related QTL. (2004)

Alonso-Blanco, C., Hanhart, C.J., Koornneef, M.

The previous molecular identification of a flowering time QTL segregating in the Arabidopsis Ler x Cvi cross, demonstrated that natural allelic variation at the blue light photoreceptor CRY2 gene...

The genetics of phytate and phosphate accumulation in seeds and leaves of Arabidopsis thaliana, using natural variation (2003)

Bentsink, L., Yuan, K., Koornneef, M., Vreugdenhil, D.

Phytate (myo-inositol-1,2,3,4,5,6-hexakisphosphate, InsP6) is the most abundant P-containing compound in plants, and an important anti-nutritional factor, due to its ability to complex essential...

Characterization of green seed, an enchancer of abi3-1 in Arabidopsis that affects seed longevity (2003)

Clerkx, E.J.M., Ruijs, G.J., Groot, S.P.C., Koornneef, M.

Seeds are usually stored in physiological conditions in which they gradually lose their viability and vigor depending on storage conditions, storage time, and genotype. Very little is known about the...

The role of cryptochrome 2 in flowering in Arabidopsis (2003)

Alonso-Blanco, C., Peeters, A.J.M., Wagemaker, C., Weller, J.L., Koornneef, M.

We have investigated the genetic interactions between cry2 and the various flowering pathways in relation to the regulation of flowering by photoperiod and vernalization. For this, we combined three...

Seed dormancy and germination (2002)

Koornneef, M., Bentsink, L., Hilhorst, H.

Seed dormancy and germination are complex adaptive traits of higher plants that are influenced by a large number of genes and environmental factors. Studies of genetics and physiology have shown the...

Regulation of Arabidopsis thaliana Em genes : role of AB15 (2002)

Carles, C., Bies-Etheve, N., Aspart, L., Léon-Kloosterziel, K.M., Koornneef, M., Echeverria, M., ...

In order to identify new factors involved in Em (a class I Late Embryogenesis Abundant protein) gene expression, Arabidopsis mutants with an altered expression of an Em promoter GUS fusion construct...

Sequential steps for developmental arrest in Arabidopsis seeds (2001)

Raz, V., Bergervoet, J.H.W., Koornneef, M.

The continuous growth of the plant embryo is interrupted during the seed maturation processes which results in a dormant seed. The embryo continues development after germination when it grows into a...

Cell division activity during apical hook development (2001)

Raz, V., Koornneef, M.

Growth during plant development is predominantly governed by the combined activities of cell division and cell elongation. The relative contribution of both activities controls the growth of a...

Genetic dissection of blue-light sensing in tomato using mutants deficient in cryptochrome 1 and phytochromes A, B1 and B2 (2001)

Weller, J.L., Perrotta, G., Schreuder, M.E.L., Koornneef, M., Giuliano, G., ...

Several novel allelic groups of tomato ( Solanum lycopersicum L.) mutants with impaired photomorphogenesis have been identified after -ray mutagenesis of phyA phyB1 double-mutant seed. Recessive...

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

Debeaujon, I., Peeters, A.J.M., Leon-Kloosterziel, K.M., Koornneef, M.

Phenolic compounds that are present in the testa interfere with the physiology of seed dormancy and germination. We isolated a recessive Arabidopsis mutant with pale brown seeds, transparent testa12...

The cloning of a flowering time QTL reveals a novel allele of CRY2 (2001)

Alonso-Blanco, C., Peeters, A.J.M., Raz, V., Koornneef, M.

Variation of flowering time is found in the natural populations of many plant species. The underlying genetic variation, mostly of a quantitative nature, is presumed to reflect adaptations to...

Natural variation, an underexploited resource of genetic variation for plant genetics (2000)

Alonso-Blanco, C., Koornneef, M.

The definition of gene functions requires the phenotypic characterization of genetic variants. Currently, such functional analysis of Arabidopsis genes is based largely on laboratory-induced mutants...

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

Debeaujon, I., Léon-Kloosterziel, K.M., Koornneef, M.

The testa of higher plant seeds protects the embryo against adverse environmental conditions. Its role is assumed mainly by controlling germination through dormancy imposition and by limiting the...

Gibberellin requirement for Arabidopsis seed germination is determined both by testa characteristics and embryonic abscisic acid (2000)

Debeaujon, I., Koornneef, M.

The mechanisms imposing a gibberellin (GA) requirement to promote the germination of dormant and non-dormant Arabidopsis seeds were analyzed using the GA-deficient mutant ga1, several seed coat...

Physiological interactions of phytochromes A, B1 and B2 in the control of development in tomato (2000)

Weller, J.L., Schreuder, M.E.L., Smith, H., Koornneef, M., Kendrick, R.E.

The role of phytochrome B2 (phyB2) in the control of photomorphogenesis in tomato (Solanum lycopersicum L.) has been investigated using recently isolated mutants carrying lesions in the PHYB2 gene....

Genetic analysis of seed-soluble oligosaccharides in relation to seed storability of Arabidopsis (2000)

Bentsink, L., Alonso-Blanco, C., Vreugdenhil, D., Tesnier, K., Groot, S.P.C., Koornneef, M.

Seed oligosaccharides (OSs) and especially raffinose series OSs (RSOs) are hypothesized to play an important role in the acquisition of desiccation tolerance and consequently in seed storability. In...

The Arabidopsis aldehyde oxidase 3 (AA03) gene product catalyzes the final step in abscisic acid biosynthesis in leaves (2000)

Seo, M., Peeters, A.J.M., Koiwai, H., Oritani, T., Marion-Poll, A, Zeevaart, J.A.D., ...

Abscisic acid (ABA) is a plant hormone involved in seed development and germination and in responses to various environmental stresses. The last step of ABA biosynthesis involves oxidation of...

The late flowering phenotype of fwa mutants is caused by gain-of-function epigenetic alleles of a homeodomain gene (2000)

Soppe, W.J.J., Jacobsen, S.E., Alonso-Blanco, C., Jackson, J.P., Kakutani, T., Koornneef, M., ...

The transition to flowering in Arabidopsis thaliana is delayed in fwa mutant plants. FWA was identified by loss-of-function mutations in normally flowering revertants of the fwa mutant, and it...

Three QTLs from Lycopersicum peruvianum confer a high level of resistance to Clavibacter michiganensis ssp. michiganensis (1999)

Heusden, A.W., Koornneef, M., Voorrips, R.E., Bruggeman, W., Pet, G., Vrielink, R., ...

Lycopersicon peruvianum LA2157 originates from 1650 m above sea level and harbours several beneficial traits for cultivated tomatoes such as cold tolerance, nematode resistance and resistance to...

Genetic control of flowering using the FWA gene (1999)

Soppe, W.J.J., Peeters, A.J.M., Koornneef, M.

This invention relates to the determination, cloning and expression of the flowering time gene FWA and the use of this gene to delay or accelerate flowering in a large variety of plant species....

Somatic embryogenesis in Arabidopsis thaliana is facilitated by mutations in genes repressing meristematic cell divisions. (1998)

Mordhorst, A.P., Voerman, K.J., Hartog, M.V., Meijer, E.A., Koornneef, M., ...

Embryogenesis in plants can commence from cells other than the fertilized egg cell. Embryogenesis initiated from somatic cells in vitro is an attractive system for studying early embryonic stages...

Genetic and molecular characterization of an Adh-1 null mutant in tomato. (1991)

Wisman, E., Koornneef, M., Chase, T., Lifshytz, E., Ramanna, M.S., Zabel, P.

Treatment of tomato seeds with ethyl methanesulphonate (EMS) followed by allyl alcohol selection of M2 seeds has led to the identification of one plant (B15-1) heterozygous for an alcohol...

A Genetic and Phenotypic Description of Eceriferum (cer) Mutants in Arabidopsis thaliana (1989)

Koornneef, M., Hanhart, C. J., Thiel, F.

Mutants in Arabidopsis thaliana with brighter green stems and siliques than the wild type are called eceriferum (cer) mutants. Eighty-eight induced and one spontaneously arisen mutant were localized...

Linkage map of Arabidopsis thaliana (1983)

Koornneef, M., Van Eden, J., Hanhart, C. J., Stam, P., Braaksma, F. J., Feenstra, W. J.

For Arabidopsis thaliana (L.) Heynh. (2n = 10), 76 loci have now been assigned to five linkage groups, corresponding to the five chromosomes. From a large number of estimated recombination...

Endogenous gibberellins in Arabidopsis thaliana and possible steps blocked in the biosynthetic pathways of the semidwarf ga4 and ga5 mutants.

Talon, M, Koornneef, M, Zeevaart, J A

Twenty gibberellins (GAs) have been identified in extracts from shoots of the Landsberg erecta line of Arabidopsis thaliana by full-scan gas chromatography-mass spectrometry and Kovats retention...

ANTHOCYANINLESS2, a homeobox gene affecting anthocyanin distribution and root development in Arabidopsis.

Kubo, H, Peeters, A J, Aarts, M G, Pereira, A, Koornneef, M

The ANTHOCYANINLESS2 (ANL2) gene was isolated from Arabidopsis by using the maize Enhancer-Inhibitor transposon tagging system. Sequencing of the ANL2 gene showed that it encodes a homeodomain...

A Temporarily Red Light-Insensitive Mutant of Tomato Lacks a Light-Stable, B-Like Phytochrome.

Van Tuinen, A., Kerckhoffs, LHJ., Nagatani, A., Kendrick, R. E., Koornneef, M.

We have selected four recessive mutants in tomato (Lycopersicon esculentum Mill.) that, under continuous red light (R), have long hypocotyls and small cotyledons compared to wild type (WT), a...

Arabidopsis mutants with a reduced seed dormancy.

Léon-Kloosterziel, K M, Van De Bunt, G A, Zeevaart, J A, Koornneef, M

The development of seed dormancy is an aspect of seed maturation, the last stage of seed development. To isolate mutants of Arabidopsis thaliana that are affected in this process, we selected...

Biochemical characterization of the aba2 and aba3 mutants in Arabidopsis thaliana.

Schwartz, S H, Léon-Kloosterziel, K M, Koornneef, M, Zeevaart, J A

Abscisic acid (ABA)-deficient mutants in a variety of species have been identified by screening for precocious germination and a wilty phenotype. Mutants at two new loci, aba2 and aba3, have recently...

Acquisition of Desiccation Tolerance and Longevity in Seeds of Arabidopsis thaliana (A Comparative Study Using Abscisic Acid-Insensitive abi3 Mutants).

Ooms, JJJ., Leon-Kloosterziel, K. M., Bartels, D., Koornneef, M., Karssen, C. M.

Two new abscisic acid (ABA)-insensitive mutants of Arabidopsis thaliana affected in the abi3 locus are described. These new mutants are severely ABA insensitive. Like the earlier described abi3-1 and...

Phytochrome B and at Least One Other Phytochrome Mediate the Accelerated Flowering Response of Arabidopsis thaliana L. to Low Red/Far-Red Ratio.

Halliday, K. J., Koornneef, M., Whitelam, G. C.

We have investigated the involvement of phytochrome B in the early-flowering response of Arabidopsis thaliana L. seedlings to low red:far-red (R/FR) ratio light conditions. The phytochrome...

A Seed Shape Mutant of Arabidopsis That Is Affected in Integument Development.

Leon-Kloosterziel, KM, Keijzer, CJ, Koornneef, M

A seed shape mutant of Arabidopsis was isolated from an ethyl methanesulfonate-treated population. Genetic analysis revealed that the heart-shaped phenotype was maternally inherited, showing that...

Integration of the Classical and Molecular Linkage Maps of Tomato Chromosome 6

Weide, R., Van-Wordragen, M. F., Lankhorst, R. K., Verkerk, R., Hanhart, C., Liharska, T., ...

In the past, a classical map of the tomato genome has been established that is based on linkage data from intraspecific Lycopersicon esculentum crosses. In addition, a high density molecular linkage...

Genetic interactions among late-flowering mutants of Arabidopsis.

Koornneef, M, Alonso-Blanco, C, Hanhart, C J, Peeters, A J

Flowering time in Arabidopsis is controlled by a large number of genes, identified by induced mutations. Forty-two double mutants involving 10 of these loci were obtained and analyzed for their...

Somatic embryogenesis in Arabidopsis thaliana is facilitated by mutations in genes repressing meristematic cell divisions.

Mordhorst, A P, Voerman, K J, Hartog, M V, Meijer, E A, Van Went, J, Koornneef, M, ...

Embryogenesis in plants can commence from cells other than the fertilized egg cell. Embryogenesis initiated from somatic cells in vitro is an attractive system for studying early embryonic stages...

Analysis of natural allelic variation at flowering time loci in the Landsberg erecta and Cape Verde Islands ecotypes of Arabidopsis thaliana.

Alonso-Blanco, C, El-Assal, S E, Coupland, G, Koornneef, M

We have analyzed the flowering behavior of two Arabidopsis ecotypes: the laboratory strain Landsberg erecta (Ler) and an ecotype from the tropical Cape Verde Islands (Cvi). They differ little in...

Endogenous gibberellins in Arabidopsis thaliana and possible steps blocked in the biosynthetic pathways of the semidwarf ga4 and ga5 mutants.

Talon, M, Koornneef, M, Zeevaart, J A

Twenty gibberellins (GAs) have been identified in extracts from shoots of the Landsberg erecta line of Arabidopsis thaliana by full-scan gas chromatography-mass spectrometry and Kovats retention...

ANTHOCYANINLESS2, a homeobox gene affecting anthocyanin distribution and root development in Arabidopsis.

Kubo, H, Peeters, A J, Aarts, M G, Pereira, A, Koornneef, M

The ANTHOCYANINLESS2 (ANL2) gene was isolated from Arabidopsis by using the maize Enhancer-Inhibitor transposon tagging system. Sequencing of the ANL2 gene showed that it encodes a homeodomain...

A Temporarily Red Light-Insensitive Mutant of Tomato Lacks a Light-Stable, B-Like Phytochrome.

Van Tuinen, A., Kerckhoffs, LHJ., Nagatani, A., Kendrick, R. E., Koornneef, M.

We have selected four recessive mutants in tomato (Lycopersicon esculentum Mill.) that, under continuous red light (R), have long hypocotyls and small cotyledons compared to wild type (WT), a...

Arabidopsis mutants with a reduced seed dormancy.

Léon-Kloosterziel, K M, Van De Bunt, G A, Zeevaart, J A, Koornneef, M

The development of seed dormancy is an aspect of seed maturation, the last stage of seed development. To isolate mutants of Arabidopsis thaliana that are affected in this process, we selected...

Biochemical characterization of the aba2 and aba3 mutants in Arabidopsis thaliana.

Schwartz, S H, Léon-Kloosterziel, K M, Koornneef, M, Zeevaart, J A

Abscisic acid (ABA)-deficient mutants in a variety of species have been identified by screening for precocious germination and a wilty phenotype. Mutants at two new loci, aba2 and aba3, have recently...

Acquisition of Desiccation Tolerance and Longevity in Seeds of Arabidopsis thaliana (A Comparative Study Using Abscisic Acid-Insensitive abi3 Mutants).

Ooms, JJJ., Leon-Kloosterziel, K. M., Bartels, D., Koornneef, M., Karssen, C. M.

Two new abscisic acid (ABA)-insensitive mutants of Arabidopsis thaliana affected in the abi3 locus are described. These new mutants are severely ABA insensitive. Like the earlier described abi3-1 and...

Phytochrome B and at Least One Other Phytochrome Mediate the Accelerated Flowering Response of Arabidopsis thaliana L. to Low Red/Far-Red Ratio.

Halliday, K. J., Koornneef, M., Whitelam, G. C.

We have investigated the involvement of phytochrome B in the early-flowering response of Arabidopsis thaliana L. seedlings to low red:far-red (R/FR) ratio light conditions. The phytochrome...

A Seed Shape Mutant of Arabidopsis That Is Affected in Integument Development.

Leon-Kloosterziel, KM, Keijzer, CJ, Koornneef, M

A seed shape mutant of Arabidopsis was isolated from an ethyl methanesulfonate-treated population. Genetic analysis revealed that the heart-shaped phenotype was maternally inherited, showing that...

Integration of the Classical and Molecular Linkage Maps of Tomato Chromosome 6

Weide, R., Van-Wordragen, M. F., Lankhorst, R. K., Verkerk, R., Hanhart, C., Liharska, T., ...

In the past, a classical map of the tomato genome has been established that is based on linkage data from intraspecific Lycopersicon esculentum crosses. In addition, a high density molecular linkage...

Genetic interactions among late-flowering mutants of Arabidopsis.

Koornneef, M, Alonso-Blanco, C, Hanhart, C J, Peeters, A J

Flowering time in Arabidopsis is controlled by a large number of genes, identified by induced mutations. Forty-two double mutants involving 10 of these loci were obtained and analyzed for their...

Somatic embryogenesis in Arabidopsis thaliana is facilitated by mutations in genes repressing meristematic cell divisions.

Mordhorst, A P, Voerman, K J, Hartog, M V, Meijer, E A, Van Went, J, Koornneef, M, ...

Embryogenesis in plants can commence from cells other than the fertilized egg cell. Embryogenesis initiated from somatic cells in vitro is an attractive system for studying early embryonic stages...

Analysis of natural allelic variation at flowering time loci in the Landsberg erecta and Cape Verde Islands ecotypes of Arabidopsis thaliana.

Alonso-Blanco, C, El-Assal, S E, Coupland, G, Koornneef, M

We have analyzed the flowering behavior of two Arabidopsis ecotypes: the laboratory strain Landsberg erecta (Ler) and an ecotype from the tropical Cape Verde Islands (Cvi). They differ little in...