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The expression cassette determines the functional activity of ribozymes in mammalian cells by controlling their intracellular localization. 总被引:11,自引:1,他引:10
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E Bertrand D Castanotto C Zhou C Carbonnelle N S Lee P Good S Chatterjee T Grange R Pictet D Kohn D Engelke J J Rossi 《RNA (New York, N.Y.)》1997,3(1):75-88
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Anjana Ray Chaudhuri Hirendranath Datta 《Preparative biochemistry & biotechnology》2013,43(3-4):185-192
Abstract The phenomenon of differential charge distribution on sperm surface membrane has been utilised here in a low e.m.f. (electro motive force) capillary electrophoresis system to effect separation of sperm heads from disintegrated mixed spermatozoal subfractions. Washed caudal sperm of goat (Black Bengal variety) and ejaculated washed human sperm were fractionated by sonication into head, mid-piece and tail portions. Routine techniques of density gradient centrifugation on Percoll and/or sucrose were performed with sonicated spermatozoa for separation into their respective subfractions. The products obtained were not free of contamination in either case. Mixed sperm fractions when subjected to the afore mentioned modified capillary electrophoresis technique only the head pieces exhibited high affinity for migration towards the cathode terminal. With this method around 50% of the total sperm heads were separated and collected in absolutely pure form at the cathode side within 2 hrs. at 150 volts (V) and 1.5 milliampere (mA) current at 37.5°C. A 4 cm. long capillary tube with a bore size 1.2 mm. was used for this purpose. 相似文献
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Diminished nuclear RNA decay upon Salmonella infection upregulates antibacterial noncoding RNAs
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Katsutoshi Imamura Akiko Takaya Yo‐ichi Ishida Yayoi Fukuoka Toshiki Taya Ryo Nakaki Miho Kakeda Naoto Imamachi Aiko Sato Toshimichi Yamada Rena Onoguchi‐Mizutani Gen Akizuki Tanzina Tanu Kazuyuki Tao Sotaro Miyao Yutaka Suzuki Masami Nagahama Tomoko Yamamoto Torben Heick Jensen Nobuyoshi Akimitsu 《The EMBO journal》2018,37(13)