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Int J Biol Macromol. 97, 460–7. The non-canonical NOTCH1 ligand Delta-like 1 homolog (DLK1) self interacts in mammals. 2017

Traustadóttir, G.Á., Jensen, C.H., Garcia Ramirez, J.J., Beck, H.C., Sheikh, S.P., Andersen, D.C.

Notes: Delta-like 1 homolog (DLK1) functions in cell differentiation during development in both a Notch-dependent and -independent manner. Here, the CheckMate™/Flexi® Mammalian Two-Hybrid System and Dual-Luciferase® Reporter Assay System are used to monitor DLK1-DLK1, DLK1-fibronectin, and DLK1-cysteine-rich FGF receptor interactions. This further illustrates the function of the Notch-independent mechanism in development. (5104)

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Proc. Natl. Acad. Sci. USA 105, 7141-7146. Lack of aldose 1-epimerase in Hypocrea jecorina (anamorph Trichoderma reesei): A key to cellulase gene expression on lactose 2008

Fekete, E., Seiboth, B., Kubicek, C.P., Szentirmai, A., Karaffa, L.

Notes: To amplify yeast mutarotase, S. cerevisiae was used, and E. coli strain JM109 (Promega Cat.# L2001) was used for plasmid propagation. Fungal mycelia were harvested by filtration, washed, frozen and ground under liquid nitrogen. Genomic DNA was extracted using the Wizard Genomic DNA Purification System (Promega Cat.# A1120). RNA for hybridization and RT-PCR was extracted from mycelia using the SV Total RNA Isolation System (Promega Cat.# Z3101) and plasmid DNA isolated using the PureYield(TM) Plasmid Midiprep System (Cat.# A2492). (3919)

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Appl. Environ. Microbiol. 72, 2691–2706. Oligonucleotide array for identification and detection of pythium species. 2006

Tambong, J.T., de Cock, A.W., Tinker, N.A. and Levesque, C.A.

Notes: This study compared detection of Pythium species in soil samples by DNA array hybridization and PCR cloning. Three Pythium species were amplified from soil samples, a single 3´ A was added to the resulting PCR product, and the DNA was ligated into the pGEM®-T Easy Vector at 4°C overnight. After the ligation was transformed into JM109 Competent Cells, and 100 colonies were chosen and grown overnight in LB broth. The plasmid DNA was isolated using the Wizard® SV 96 Plasmid DNA Purification System and then sequenced. (3437)

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J. Cell Sci. 116, 2421-2430. PTHrP [67–86] regulates the expression of stress proteins in breast cancer cells inducing modifications in urokinase-plasminogen activator and MMP-1 expression. 2003

Luparello, C., Sirchia, R. and Pupello, D.

Notes: Total and poly(A)+ RNA from treated and untreated 8701-BC breast cancer tumor cells were treated with RQ1 RNase-free DNase. The RNA samples were reverse transcribed using the M-MLV RNase H– point mutant reverse transcriptase and random primers to create cDNA used in downstream analyses. The cDNA from the reactions were used in PCR, differential display PCR, and semi-quantitative multiplex PCR reactions. In differential display PCR studies, the authors analyzed differentially displayed bands by staining 6% polyacrylamide gels with the SILVER SEQUENCE™ Staining Reagents. Differentially displayed bands were re-amplified and cloned using the pGEM®-T Easy Vector and high efficiency JM109 competent cells. (3020)

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