Frans Krens

dr.

    1985 …2024

    Research output per year

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    Research Output

    2009

    Development of cisgenic apples with durable resistance to apple scab

    Joshi, S. G., Soriano Soriano, J. M., Kortstee, A. J., Schaart, J. G., Krens, F. A., Jacobsen, E. & Schouten, H. J., 2009, In : Acta Horticulturae. 839, p. 403-406

    Research output: Contribution to journalArticleAcademicpeer-review

    6 Citations (Scopus)

    Inheritance of determinants of flower colour in tetraploid roses

    Gitonga, V. W., Stolker, R., Ribot, S. A., Keizer, L. C. P., Koning-Boucoiran, C. F. S. & Krens, F. A., 2009, In : Acta Horticulturae. 2009, 836, p. 55-60

    Research output: Contribution to journalArticleAcademicpeer-review

    3 Citations (Scopus)

    Oriental lily hybrids engineered to resist aphid attack

    Krens, F. A., Menzel, T. R., Chang, L., Dees, D. C. T. & van Kronenburg, B. C. E., 2009, In : Acta Horticulturae. 2009, 836, p. 253-257

    Research output: Contribution to journalArticleAcademicpeer-review

    8 Citations (Scopus)

    Specific mapping of disease resistance genes in tetraploid cut roses

    Koning-Boucoiran, C. F. S., Dolstra, O., van der Linden, C. G., van der Schoot, J., Verlinden, K., Maliepaard, C. A. & Krens, F. A., 2009, In : Acta Horticulturae. 2009, 836, p. 137-142

    Research output: Contribution to journalArticleAcademicpeer-review

    3 Citations (Scopus)
    2007

    Plant translational genomics: from model species to crops

    Salentijn, E. M. J., Pereira, A. B., Angenent, G. C., van der Linden, C. G., Krens, F. A., Smulders, M. J. M. & Vosman, B., 2007, In : Molecular Breeding. 20, 1, p. 1-13

    Research output: Contribution to journalArticleAcademicpeer-review

    24 Citations (Scopus)

    Protocolontwikkeling voor de productie van merker-vrije transgene lelies /

    Krens, F. A., 2007, Wageningen: Plant Research International. 22 p. (Nota / Plant Research International; no. 441)

    Research output: Book/ReportReportProfessional

    Open Access
    2006

    Antisense down-regulation of strawberry endo-beta (1,4)-glucanase genes does not prevent fruit softening during ripening

    Palomer, X., Llop-Tous, I., Vendrell, M., Krens, F. A., Schaart, J. G., Boone, M. J., van der Valk, H. C. P. M. & Salentijn, E. M. J., 2006, In : Plant Science. 171, 5, p. 640-646

    Research output: Contribution to journalArticleAcademicpeer-review

    33 Citations (Scopus)
    203 Citations (Scopus)

    Een doorbraak in de dialoog der doven?

    Schouten, H. J., Krens, F. A. & Jacobsen, E., 2006, In : Bionieuws. 16, 19, p. 11-11

    Research output: Contribution to journalArticleProfessional

    Open Access

    Letter to the editor: Do cisgenic plants warrant less stringent oversight?

    Schouten, H. J., Krens, F. A. & Jacobsen, E., 2006, In : Nature Biotechnology. 24, 7, p. 753-753

    Research output: Contribution to journalLetterAcademic

    102 Citations (Scopus)

    Molecular characterization of a stable antisense chalcone synthase phenotype in strawberry (Fragaria ananassa)

    Lunkenbein, S., Coiner, H., de Vos, C. H., Schaart, J. G., Boone, M. J., Krens, F. A., Schwab, W. & Salentijn, E. M. J., 2006, In : Journal of Agricultural and Food Chemistry. 54, 6, p. 2145-2153

    Research output: Contribution to journalArticleAcademicpeer-review

    54 Citations (Scopus)

    Reply to 'Cisgenic' as a product designation

    Schouten, H. J., Krens, F. A. & Jacobsen, E., 2006, In : Nature Biotechnology. 24, 11, p. 1331-1333

    Research output: Contribution to journalLetterAcademic

    3 Citations (Scopus)

    The potential of plant genomics in breeding and development of sustainable production chains

    Krens, F. A., van Ham, R. C. H. J. & Gremmen, H. G. J., 2006, Inventions for a sustainable development of agriculture. Jacobsen, E. (ed.). Zoetermeer, p. 3-32 (Working paper / TransForum Agro&Groen; no. 1).

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Open Access

    Up- and downregulation of Fragaria x ananassa O-methyltransferase: Impacts on Furanone and Phenylpropanoid metabolism

    Lunkenbein, S., Salentijn, E. M. J., Coiner, H., Boone, M. J., Krens, F. A. & Schwab, W., 2006, In : Journal of Experimental Botany. 57, 10, p. 2445-2453

    Research output: Contribution to journalArticleAcademicpeer-review

    35 Citations (Scopus)
    2005

    Floral homeotic mutants in lily: double flower and Festiva phenotypes

    Benedito, V. A., Angenent, G. C. & Krens, F. A., 2005, In : Flowering Newsletter. 39, p. 29-37

    Research output: Contribution to journalArticleProfessional

    Metabolomics voor de selectie van resistentie en een verbeterde biologische bestrijding

    Jongsma, M. A., Bouwmeester, H. J. & Krens, F. A., 2005.

    Research output: Contribution to conferencePosterProfessional

    Open Access

    Silencing the major apple allergen Mal d 1 by using the RNA interference approach

    Gilissen, L. J. W. J., Bolhaar, S. T. H. P., Matos, C. I., Rouwendal, G. J. A., Boone, M. J., Krens, F. A., Zuidmeer, L., van Leeuwen, A., Akkerdaas, J. H., Hoffmann-Sommergruber, K., Knulst, A. C., Bosch, H. J., van de Weg, W. E. & van Ree, R., 2005, In : Journal of Allergy and Clinical Immunology. 115, 2, p. 364-369

    Research output: Contribution to journalArticleAcademicpeer-review

    123 Citations (Scopus)
    Open Access

    Tripsresistente siergewassen

    Jongsma, M. A., Bouwmeester, H. J. & Krens, F. A., 2005.

    Research output: Contribution to conferencePosterProfessional

    Open Access

    Two different Bacillus thuringiensis toxin genes confer resistance to beet armyworm (Spodoptera exigua Hübner) in transgenic Bt-shallots (Allium cepa L.)

    Zheng Sijun, S. J., Henken, B., de Maagd, R. A., Purwito, A., Krens, F. A. & Kik, C., 2005, In : Transgenic Research. 14, 3, p. 261-272

    Research output: Contribution to journalArticleAcademicpeer-review

    25 Citations (Scopus)
    2004

    Clean vector technology for marker-free transgenic fruit crops

    Krens, F. A., Pelgrom, K. T. B., Schaart, J. G., den Nijs, A. P. M. & Rouwendal, G. J. A., 2004, In : Acta Horticulturae. 663, p. 431-435

    Research output: Contribution to journalArticleAcademicpeer-review

    10 Citations (Scopus)

    Clean vector technology for marker-free transgenic ornamentals

    Krens, F. A., Pelgrom, K. T. B., Schaart, J. G., den Nijs, A. P. M. & Rouwendal, G. J. A., 2004, In : Acta Horticulturae. 651, p. 101-105

    Research output: Contribution to journalArticleAcademicpeer-review

    11 Citations (Scopus)

    Ectopic expression of LLAG1, an AGAMOUS homologue from lily (Lilium longiflorum Thunb.) causes floral homeotic modifications in Arabidopsis.

    Benedito, V. A., Visser, P. B., van Tuyl, J. M., Angenent, G. C., de Vries, S. C. & Krens, F. A., 2004, In : Journal of Experimental Botany. 55, 401, p. 1391-1399

    Research output: Contribution to journalArticleAcademicpeer-review

    41 Citations (Scopus)

    Effective production of marker-free transgenic strawberry plants using inducible site-specific recombination and a bifunctional selectable marker gene

    Schaart, J. G., Krens, F. A., Pelgrom, K. T. B., Mendes, O. & Rouwendal, G. J. A., 2004, In : Plant Biotechnology Journal. 2, 3, p. 233-240

    Research output: Contribution to journalArticleAcademicpeer-review

    115 Citations (Scopus)

    Geïnduceerde resistentie tegen Botrytis in tulp en lelie

    Prins, T., van Heusden, A. W., van Tuyl, J. M. & Krens, F. A., 2004, Wageningen: Plant Research International Wageningen UR. 28 p.

    Research output: Book/ReportReportProfessional

    Open Access

    Genetic transformation of Allium cepa mediated by Agrobacterium tumefaciens

    Zheng Sijun, S. J., Henken, B., Krens, F. A. & Kik, C., 2004, Transgenic crops of the World - Essential Protocols. Curtis, I. S. (ed.). Amsterdam: Kluwer Academic Publishers, p. 281-290 454 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Lilium longiflorum and molecular floral development: the ABCDE model

    Benedito, V. A., Angenent, G. C., van Tuyl, J. M. & Krens, F. A., 2004, In : Acta Horticulturae. 651, p. 83-89

    Research output: Contribution to journalArticleAcademicpeer-review

    5 Citations (Scopus)
    22 Citations (Scopus)

    The potential of virus-induced gene silencing for speeding up functional characterization of plant genes

    Benedito, V. A., Visser, P. B., Angenent, G. C. & Krens, F. A., 2004, In : Genetics and Molecular Research. 3, 3, p. 323-341

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    60 Citations (Scopus)
    2003

    Differential Gene Expression Analysis of Strawberry Cultivars that Differ in Fruit-firmness

    Salentijn, E. M. J., Aharoni, A., Schaart, J. G., Boone, M. J. & Krens, F. A., 2003, In : Physiologia Plantarum. 118, p. 571-578

    Research output: Contribution to journalArticleAcademicpeer-review

    65 Citations (Scopus)
    16 Citations (Scopus)
    2002
    Open Access
    42 Citations (Scopus)
    2001

    Agrobacterium tumefaciens mediated transformation of Allium cepa L.: the production of transgenic onions and shallots

    Zheng, S. J., Khrustaleva, L. I., Henken, G., Sofiari, E., Jacobsen, E., Kik, C. & Krens, F. A., 2001, In : Molecular Breeding. 7, 2, p. 101-115

    Research output: Contribution to journalArticleAcademicpeer-review

    36 Citations (Scopus)

    In Vitro conservation of enset under slow growth conditions

    Negash, A., Krens, F. A., Schaart, J. G. & Visser, B., 2001, In : Plant Cell, Tissue and Organ Culture: an international journal on in vitro culture of higher plants. 66, p. 107-111

    Research output: Contribution to journalArticleAcademicpeer-review

    37 Citations (Scopus)

    Molecular characterization of transgenic shallots (Allium cepa L.) by adaptor ligation PCR (AL-PCR) and sequencing of genomic DNA flanking T-DNA borders

    Zheng, S. J., Henken, G., Sofiari, E., Jacobsen, E. & Krens, F. A., 2001, In : Transgenic Research. 10, 3, p. 237-245

    Research output: Contribution to journalArticleAcademicpeer-review

    23 Citations (Scopus)
    2000

    In vitro regeneration and micro-propagation of enset from Southwestern Ethiopia

    Negash, A., Puite, K., Schaart, J. G., Visser, B. & Krens, F. A., 2000, In : Plant Cell, Tissue and Organ Culture: an international journal on in vitro culture of higher plants. 62, p. 153-158

    Research output: Contribution to journalArticleAcademicpeer-review

    20 Citations (Scopus)

    Screening for resistance to the beet armyworm (Spodoptera exigua) in Allium cepa and its wild relatives

    Zheng, S. J., Henken, B., Sofiari, E., Wietsma, W. A., Jacobsen, E., Krens, F. A. & Kik, C., 2000, In : Euphytica. 114, p. 77-85

    Research output: Contribution to journalArticleAcademicpeer-review

    7 Citations (Scopus)
    1999

    Development of pest and disease resistant shallot cultivars by means of breeding and biotechnology

    Wietsma, W. A., Grubben, G. H. J., Henken, B., Zheng, S., Putrasemedja, S., Permadi, A. H., Sofiari, E., Krens, F. A., Jacobsen, E. & Kik, C., 1999, In : Indonesian agricultural research and development journal. 20, p. 78-82

    Research output: Contribution to journalArticleAcademicpeer-review

    Effect of cytokinins and lines on plant regeneration from long-term callus and suspension cultures of Allium cepa L

    Sijun Zheng, S., Henken, B., Sofiari, E., Keizer, P., Jacobsen, E., Kik, C. & Krens, F., 1999, In : Euphytica. 108, 2, p. 83-90

    Research output: Contribution to journalArticleAcademicpeer-review

    Effects of cytokinins and lines on plant regeneration from long-term callus and suspension cultures of Allium cepa

    Zheng Sijun, Henken, B., Sofiari, E., Keizer, L. C. P., Jacobsen, E., Kik, C. & Krens, F. A., 1999, In : Euphytica. 108, p. 83-90

    Research output: Contribution to journalArticleAcademicpeer-review

    20 Citations (Scopus)

    Microprotoplast-mediated chromosome transfer (MMCT) for the direct production of monosomic addition lines

    Ramulu, K. S., Dijkhuis, P., Krens, F. A. & Verhoeven, H. A., 1999, Plant cell culture protocols. Hall, R. D. (ed.). p. 227-242

    Research output: Chapter in Book/Report/Conference proceedingChapter

    4 Citations (Scopus)
    1998
    39 Citations (Scopus)
    6 Citations (Scopus)
    1997

    Gecombineerde aanpak verhoogt carvonopbrengst

    Bouwmeester, H. J. & Krens, F. A., 1997, In : Prophyta. 3, p. 12-15

    Research output: Contribution to journalArticleProfessional

    Identification and molecular analysis of transgenic potato chromosomes transferred to tomato through microprotoplast fusion

    Rutgers, E., Ramulu, K. S., Dijkhuis, P., Blaas, J., Krens, F. A. & Verhoeven, H. A., 1997, In : Theoretical and Applied Genetics. 94, 8, p. 1053-1059

    Research output: Contribution to journalArticleAcademicpeer-review

    13 Citations (Scopus)

    Sugar beet guard cell protoplasts demonstrate a remarkable capacity for cell division enabling applications in stomatal physiology and molecular breeding

    Hall, R. D., Riksen-Bruinsma, T., Weyens, G., LefObvre, M., Dunwell, J. M., van Tunen, A. & Krens, F. A., 1997, In : Journal of Experimental Botany. 48, 307, p. 255-263

    Research output: Contribution to journalArticleAcademicpeer-review

    17 Citations (Scopus)

    Transgenic caraway, Carum carvi L.: a model species for metabolic engineering

    Krens, F. A., Keizer, L. C. P. & Capel, I. E. M., 1997, In : Plant Cell Reports. 17, 1, p. 39-43

    Research output: Contribution to journalArticleAcademicpeer-review

    12 Citations (Scopus)
    1996

    A high efficiency technique for the generation of transgenic sugar beets from stomatal guard cells

    Hall, R. D., Riksen-Bruinsma, T., Weyens, G., Rosquin, I. J., Denys, R. N., Evans, I. J., Lathouwers, J. E., LefObvre, M. P., Dunwell, J. M., van Tunen, A. & Krens, F. A., 1996, In : Nature Biotechnology. 14, 9, p. 1133-1138

    Research output: Contribution to journalArticleAcademicpeer-review

    76 Citations (Scopus)

    A transformation system for sugar beet based on a single cell type

    Hall, R. D., Riksen-Bruinsma, T., Krens, F. A., Verhoeven, H. A., Lathouwers, J., Lommel, M., Rosquin, I., Weyens, G., LefObvre, M. P. & Dunwell, J. M., 1996, Proceedings IIRB Congress. p. 571-575

    Research output: Chapter in Book/Report/Conference proceedingConference paper