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Showing 1 to 12 of 25 entries
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Modelling human Puumala hantavirus infection in relation to bank vole abundance and masting intensity in the Netherlands.

Infection ecology & epidemiology

Swart A, Bekker DL, Maas M, de Vries A, Pijnacker R, Reusken CBEM, van der Giessen JWB.
PMID: 28567209
Infect Ecol Epidemiol. 2017 Mar 24;7(1):1287986. doi: 10.1080/20008686.2017.1287986. eCollection 2017.

This paper deals with modelling the relationship between human Puumala hantavirus (PUUV) infection, the abundance and prevalence of infection of the host (the bank vole), mast, and temperature. These data were used to build and parametrise generalised regression models,...

In situ hybridization to somatic metaphase chromosomes of potato.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Visser RG, Hoekstra R, van der Leij FR, Pijnacker LP, Witholt B, Feenstra WJ.
PMID: 24232207
Theor Appl Genet. 1988 Sep;76(3):420-4. doi: 10.1007/BF00265343.

An in situ hybridization procedure was developed for mitotic potato chromosomes by using a potato 24S rDNA probe. This repetitive sequence hybridized to the nucleolar organizer region (NOR) of chromosome 2 in 95%-100% of the metaphase plates. Another repetitive...

Multiple supernumerary chromosomes in the pseudogamous parthenogenetic flatworm Polycelis nigra: lineage markers or remnants of genetic leakage?.

Genome

Sharbel TF, Beukeboom LW, Pijnacker LP.
PMID: 18464870
Genome. 1997 Dec;40(6):850-6. doi: 10.1139/g97-810.

Polycelis nigra is a free-living simultaneous hermaphroditic flatworm that has amphimictic and pseudogamous parthenogenetic biotypes. Sexual individuals are always diploid (2n = 16) and pseudogamous parthenogens are polyploid (usually triploid). Two types of supernumerary chromosomes are found in parthenogens,...

Variability of DNA content and karyotype in cell cultures of an interdihaploid Solanum tuberosum.

Plant cell reports

Pijnacker LP, Hermelink JH, Ferwerda MA.
PMID: 24247964
Plant Cell Rep. 1986 Feb;5(1):43-6. doi: 10.1007/BF00269715.

Karyological and DNA cytophotometric observations were carried out to follow nuclear events in cell cultures of an interdihaploid potato, genotype H(2)578, 2n=2x=24. The percentage of polyploid cells increased in leaf calluses, but decreased and then remained at a constant...

Behaviour of chromosomes in potato leaf tissue cultured in vitro as studied by BrdC-Giemsa labelling.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Pijnacker LP, Walch K, Ferwerda MA.
PMID: 24248209
Theor Appl Genet. 1986 Sep;72(6):833-9. doi: 10.1007/BF00266554.

Cells of leaf explants of a monohaploid potato (Solanum tuberosum) were stimulated to mitosis on a medium with 5-bromodeoxycytidine during a period of 7 days. The cells cycled with mono- or diplochromosomes which showed differential staining of the sister...

Zebrafish chromosome banding.

Genome

Pijnacker LP, Ferwerda MA.
PMID: 18470229
Genome. 1995 Oct;38(5):1052-5. doi: 10.1139/g95-140.

Banding techniques were carried out on metaphase chromosomes of zebrafish (Danio rerio) embryos. The karyotypes with the longest chromosomes consist of 12 metacentrics, 26 submetacentrics, and 12 subtelocentrics (2n = 50). All centromeres are C-band positive. Eight chromosomes have...

Elimination of Solanum phureja nucleolar chromosomes in S. tuberosum + S. phureja somatic hybrids.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Pijnacker LP, Ferwerda MA, Puite KJ, Roest S.
PMID: 24241298
Theor Appl Genet. 1987 Apr;73(6):878-82. doi: 10.1007/BF00289393.

The karyotype of the dihaploid SVP1 line of S. tuberosum (2n=2x=24) showed two nucleolar chromosomes with differently sized satellites. The diploid SVP5 line (2n=2x=24) and tetraploid regenerants of S. phureja had larger but similar satellites. Somatic hybrids between the...

Evaluation of Natural and Factitious Food Sources for .

Insects

Duarte MVA, Vangansbeke D, Pijnakker J, Moerkens R, Benavente A, Arijs Y, Saucedo ALF, Wäckers F.
PMID: 34940199
Insects. 2021 Dec 13;12(12). doi: 10.3390/insects12121111.

No abstract available.

Dual protection: A tydeoid mite effectively controls both a problem pest and a key pathogen in tomato.

Pest management science

Pijnakker J, Moerkens R, Vangansbeke D, Duarte M, Bellinkx S, Benavente A, Merckx J, Stevens I, Wäckers F.
PMID: 34532955
Pest Manag Sci. 2022 Jan;78(1):355-361. doi: 10.1002/ps.6647. Epub 2021 Oct 07.

BACKGROUND: The tomato russet mite (TRM), Aculops lycopersici, and powdery mildew (PM), Oidium neolycopersici, are two major problems in tomato cultivation for which no effective biocontrol solutions exist to date. In a greenhouse compartment, we investigated the potential of...

The Introduction of Bioptic Driving in The Netherlands.

Visual impairment research

Kooijman AC, Melis-Dankers BJ, Peli E, Brouwer WH, Pijnakker P, Van Delden G, Van Pluuren E, Van Iddekinge B, Derksen P, Busscher RB, Bredewoud RA, Van Rosmalen JH, Postema FJ, Wanders I, De Vries J, Witvliet JM.
PMID: 19122754
Vis Impair Res. 2008;10(1):1-16. doi: 10.1080/13882350802053582.

BACKGROUND: In many states of the U.S.A., people with moderately reduced visual acuity e.g., 20/50 - 20/200) can legally drive with the aid of a small, spectacle-mounted ("bioptic") telescope. We conducted a demonstration project to assess the viability of...

Mortality after Delay of Adequate Empiric Antimicrobial Treatment of Bloodstream Infection.

Journal of clinical medicine

Lambregts MMC, Wijnakker R, Bernards AT, Visser LG, Cessie SL, Boer MGJ.
PMID: 32392843
J Clin Med. 2020 May 07;9(5). doi: 10.3390/jcm9051378.

BACKGROUND: Timely empiric antimicrobial therapy is one of the cornerstones of the management of suspected bloodstream infection (BSI). However, studies about the effects of empiric therapy on mortality have reported inconsistent results. The objective of this study was to...

Microsporogenesis in three tetraploid somatic hybrids of potato and their di(ha)ploid fusion partners.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Pijnacker LP, Ferwerda MA, Mattheij WM.
PMID: 24197314
Theor Appl Genet. 1992 Nov;85(2):269-73. doi: 10.1007/BF00222869.

The microsporogenesis of three somatic hybrids of potato, i.e. one tetraploid Solanum tuberosum (+) S. phureja, one tetraploid and one hypertetraploid S. tuberosum (+) desynaptic mutant, has been examined and compared with the microsporogenesis of the di(ha) ploid fusion...

Showing 1 to 12 of 25 entries