Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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AtSERK1 expression precedes and coincides with early somatic embryogenesis in Arabidopsis thaliana
Salaj, J. ; Recklinghausen, I.R. von; Hecht, V. ; Vries, S.C. de; Schel, J.H.N. ; Lammeren, A.A.M. van - \ 2008
Plant Physiology and Biochemistry 46 (2008)7. - ISSN 0981-9428 - p. 709 - 714.
arabinogalactan proteins - developmental pathway - tissue cultures - callus-cultures - cell - gene - embryos - carrot - plants - methacrylate
The Arabidopsis thaliana primordia timing (pt) mutant was transformed with an AtSERK1::GUS construct. Liquid cultures of this line were used to study the relationship between somatic embryogenesis and the expression of SOMATIC EMBRYOGENESIS RECEPTOR-LIKE KINASE (AtSERK1) as a marker for cells competent to form embryos. In order to search for the expression of AtSERK1::GUS during early stages of somatic embryogenesis, histochemical as well as immunochemical approaches were used for the detection of ß-glucuronidase (GUS). Four sites of AtSERK1 expression were found in the embryogenic cultures: in embryogenic callus, where primary somatic embryos developed; in the basal parts of primary somatic embryos; in the outer layers of cotyledons of primary somatic embryos where secondary embryos were formed; and in provascular and vascular strands of developing somatic embryos. The in vitro expression of AtSERK1::GUS coincides with embryogenic development up to the heart-shaped stage. Prior to the expression in embryos, AtSERK1 was expressed in single cells and small cell clusters, indicating that AtSERK1 indeed marks embryogenic competence. Its expression in (pro)
Arabidopsis thaliana Shagyy-related protein kinases (AtSKs) function in pattern formation and establishing boundaries during flower development
Lammeren, A.A.M. van; Dornelas, A. ; Recklinghausen, M. von; Wittich, P. ; Kreis, M. - \ 2000
In: Abstr. XVIth. Int. Congr. on Sexual Plant Reprod., Banff, Alberta, 2000 Banff, Alberta : - p. 13 - 13.
Histochemical and immunochemical detection of the SERK gene expression during somatic embryogenesis in Arabidopsis thaliana
Salaj, J. ; Recklinghausen, I.R. von; Hecht, V.F.G. ; Vries, S.C. de; Schel, J.H.N. ; Lammeren, A.A.M. van - \ 2000
In: Abstr. Prof. Nemecs's Cytological Day - p. 33 - 33.
Structure and development of somatic embryos formed in Arabidopsis thaliana pt mutant callus cultures derived from seedlings
Recklinghausen, I.R. von; Iwanowska, A. ; Kieft, H. ; Mordhorst, A.P. ; Schel, J.H.N. ; Lammeren, A.A.M. van - \ 2000
Protoplasma 211 (2000). - ISSN 0033-183X - p. 217 - 224.
Seeds of the Arabidopsis thaliana mutant primordia timing (pt) were germinated in 2,4-dichlorophenoxyacetic acid- containing liquid medium. The seedlings formed somatic embryos and nonembryogenic and embryogenic callus in vitro in a time period of approximately two to three weeks. Embryogenesis and callus formation were monitored with respect to origin, structure, and development. Ten days after germination globular structures appeared in close vicinity of and on the shoot apical meristem (SAM). Somatic embryos formed either directly on the SAM region of the seedling or indirectly on embryogenic callus that developed at the SAM zone. Globular structures developed along the vascular tissue of the cotyledons as well, but only incidentally they formed embryos. Upon deterioration, the cotyledons formed callus. Regular subculture of the embryogenic callus gave rise to high numbers of somatic embryos. Such primary somatic embryos, grown on callus, originated from meristematic cell clusters located under the surface of the callus. Embryos at the globular and heart-shape stage were mostly hidden within the callus. Embryos at torpedo stage appeared at the surface of the callus because their axis elongated. Secondary somatic embryos frequently formed directly on primary ones. They preferentially emerged from the SAM region of the primary somatic embryos, from the edge of the cotyledons, and from the hypocotyl. We conclude that the strong regeneration capacity of the pt mutant is based on both recurrent and indirect embryogenesis.
'Neue Natur' in den Niederlanden; statement für die Podiumsdiskussion: Kulturlandschaftspflege; Sukzession contra Erhalten
Vervloet, J.A.J. - \ 1999
In: Kulturlandschaftspflege Sukzession contra Erhalten. Recklinghausen (Germany), NUA, 1999. NUA-Seminarber. Band 3 / Burggraaff, P., - p. 110 - 111.
Origin and development of somatic embryos in Arabidopsis thaliana pt-1 cultures monitored with the SERK::GUS reporter gene system
Recklinghausen, I.R. von; Hecht, V.F.G. ; Kieft, H. ; Schel, J.H.N. ; Vries, S.C. de; Lammeren, A.A.M. van - \ 1999
In: Abstracts 10th International Conference on Arabidopsis Research, Melbourne, Australia, July 4-8 1999 - p. 1 - 1.
Characterization of three novel members of the Arabidopsis Shaggy-related protein kinase (ASK) multigene family
Dornelas, M.C. ; Wittich, P. ; Recklinghausen, I. von; Lammeren, A.A.M. van; Kreis, M. - \ 1999
Plant Molecular Biology 39 (1999). - ISSN 0167-4412 - p. 137 - 147.
Somatic embryogenesis in cultures of seedlings, leaf explants and callus of Arabidopsis thaliana
Recklinghausen, I.R. von; XuHan, X. ; Iwanowska, A. ; Schel, J.H.N. ; Lammeren, A.A.M. van - \ 1998
In: Book of abstracts : 5th plant embryogenesis workshop, Barcelona, 19-21 November 1998 - p. 77 - 77.
Novel members of the Arabidopsis Shaggy-related protein kinase (ASK) gene family
Dornelas, M.C. ; Wittich, P.E. ; Recklinghausen, I. von; Lammeren, A.A.M. van; Kreis, M. - \ 1998
In: Book of abstracts : 5th plant embryogenesis workshop, Barcelona, 19-21 November 1998 - p. 61 - 61.
Membrane permeability, morphology and desiccation tolerance of Daucas carota somatic embryos as influenced by drying rate.
Tetteroo, F.A.A. ; Aelst, A.C. van; Recklinghausen, I.R. von; Golovina, E.A. ; Hoekstra, F.A. - \ 1998
Protoplasma 202 (1998). - ISSN 0033-183X - p. 202 - 212.
Origin and development of somatic embryos in Arabidopsis thaliana pt-1 cultures derived from seedlings.
Recklinghausen, I.R. von; Iwanowska, A. ; Kieft, H. ; Xuhan, X. ; Schel, J.H.N. ; Lammeren, A.A.M. van - \ 1998
In: XVth Int. Congr. on Sexual Plant Reprod., Wageningen, The Netherlands - p. 114 - 114.
Characterization of Arabidopsis Shaggy-related protein kinase (ASK) gene family.
Dornelas, M.C. ; Wittich, P.E. ; Recklinghausen, I.R. von; Lammeren, A.A.M. van; Kreis, M. - \ 1998
In: XVth Int. Congr. on Sexual Plant Reprod., Wageningen, The Netherlands - p. 114 - 114.
Application of pH-sensitive fluorescent dyes to fungi.
Recklinghausen, I.R. von; Molenaar, D. ; Konings, W.N. ; Visser, J. - \ 1993
In: Biotechnology applications of microinjection, microscopic imaging and fluorescence / Bach, P.H., New York : Plenum Press - p. 207 - 219.
Ammonium chloride-induced acidification in renal TALH SVE.1 cells monitored by 31P-NMR.
Recklinghausen, I.R. von; Kinne, R.K.H. ; Jans, A.W.H. - \ 1992
Biochimica et biophysica acta-protein structure and molecular enzymology 1136 (1992). - ISSN 0167-4838 - p. 129 - 135.
A NMR spectroscopic characterization of a new epithelial cell line, TALH-SVE, with properties of the renal medullary thick ascending limb of Henle's loop.
Recklinghausen, I. von; Scott, D.M. ; Jans, A.W.H. - \ 1991
Biochimica et biophysica acta-protein structure and molecular enzymology 1091 (1991). - ISSN 0167-4838 - p. 179 - 187.
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