Mutant

Analysis of ROP signaling in the leaf epidermis of mutant tomato with low-energy ion beam

Q. X. Liang, Cao, G. Q., Zhao, S. P., Huang, Q. C., Ying, F. Q., and Chen, W., Analysis of ROP signaling in the leaf epidermis of mutant tomato with low-energy ion beam, vol. 14, pp. 3807-3816, 2015.

The importance of the ROP small GTPase signaling pathway in the regulation of cellular polarity growth in eukaryotes has been thoroughly studied. In this study, we examined the LeROP small GTPase (related to Arabidopsis thaliana genome LeROP GTPase in tomato) signaling of cell polarity growth in the mutant (M-1) tomato. Interestingly, we detected expansive growth of epidermis cells in M-1, in which the leaves appeared slightly lobed shaped. However, we observed jigsaw puzzle shaped and deeply lobed shaped leaves in wild-type leaf epidermis cells.

An improved reverse dot hybridization for simple and rapid detection of adefovir dipivoxil-resistant hepatitis B virus

Y. Hu, Zhang, W. L., Xie, S. L., Zhao, Y., Hu, J. L., Cai, X. F., Lai, G. Q., and Huang, A. L., An improved reverse dot hybridization for simple and rapid detection of adefovir dipivoxil-resistant hepatitis B virus, vol. 11, pp. 53-60, 2012.

Early detection of adefovir dipivoxil-resistant mutants during long-term treatment of chronic hepatitis B virus (HBV) infection with this drug is of great clinical importance. We developed an improved reverse dot hybridization test for simple and rapid detection of the rtA181V/T and rtN236T mutations associated with adefovir dipivoxil resistance in chronic hepatitis B patients. Probes were designed for genotypes B, C, and D of this resistance characteristic; a total of 70 clinical samples were analyzed with this improved reverse dot hybridization assay.

Easy detection of green fluorescent protein multicopy transformants in Penicillium griseoroseum

F. J. F. Lopes, de Araújo, E. F., and de Queiroz, M. V., Easy detection of green fluorescent protein multicopy transformants in Penicillium griseoroseum, vol. 3, pp. 449-455, 2004.

Penicillium griseoroseum, a deuteromycete fungus producer of pectinolytic enzymes, was transformed with a gene encoding for green fluorescent protein (GFP). The selection of transformants was based on the homologous nitrate reductase gene (niaD). Protoplasts of a P. griseoroseum Nia mutant (PG63) were co-transformed with the plasmids pNPG1 and pAN52-1-GFP. The plasmid pNPG-1 carries the homologous niaD gene and pAN52-1-GFP carries the SGFP-TYG version of GFP.

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