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| 1 | Long duplication of 18S ribosomal DNA in Cynoglossus lineolatus(Pleuronectiformes: Cynoglossidae): novel molecular evidencefor unequal crossing over model显示文摘Although 18 S r DNA sequence is extremely conservative, the polymorphism still has been found in few species.In the present study, three types(Type A, B and C) of 18 S r DNA sequence coexisted in Cynoglossus lineolatus genome, suggesting a non-concerted evolution process, rather than a strictly concerted evolution fashion.Based on the differences of sequence variation, GC content, secondary structure and minimum free energy,Types A and B were speculated as the potential pseudogenes. Additionally, a fascinating finding was a 189-bp duplication of 18 S r DNA in Type A sequence. To our knowledge, this is the first report on such a long duplication in teleostean ribosomal DNA. Compared with several theories accounting for the formation of tandem repeats, the unequal crossing over model was thought to be the most likely mechanism to generate the189-bp duplication of 18 S r DNA. These results not only provide a novel molecular evidence for the unequal crossing over model, but also benefit for the further study on 18 S r DNA in fishes. | GONG Li SHI Wei YANG Min SI Lizhen KONG Xiaoyu | 2016 | Acta Oceanologica Sinica2016，35，12： | 2 |
| 2 | Length of the ORF, position of the first AUG and the Kozak motif are important factors in potential dual-coding transcripts显示文摘一个单个哺乳动物的抄本通常编码一蛋白质,但是 GNAS (G 蛋白质伪 - 子单元) 的抄本包含二个读物框架并且生产二在结构上无关的蛋白质, XL 伪 s 和 ALEX。没有其它证实象 GNAS 一样双编码的抄本迄今为止被报导了,尽管许多如此的候选人基因被生物信息学分析预言了。在这研究,我们构造了一系列向量测试二个蛋白质产品怎么在 vitro 从一个单个抄本被翻译。ORF (开的读框架) 的长度,第一 8 月的位置和 Kozak 主题被发现是重要因素。这些因素,以及 55-bp NMD (调停胡说八道的 mRNA 腐烂) 规则,为候选人在生物信息学搜索被使用双编码的抄本。分别地, 1307, 750 和 474 个 two-ORF-containing 抄本的一个总数分别地, 170, 89 和 70 哪个被发现是潜在的双编码的抄本在人,老鼠和老鼠被发现。大多数抄本在种类之中显示出低保存。有趣地,双编码的抄本显著地从锌手指蛋白质家庭为抄本被充实,它通常是涉及抄写过程的规定的 DNA 有约束力的蛋白质。 | Heng Xu Ping Wang Yujie Fu Yufang Zheng Quan Tang Lizhen Si Jin You Zhenguo Zhang Yufei Zhu Li Zhou Zejun Wei Bin Lin Landian Hu Xiangyin Kong | 2010 | Cell Research2010，20，4： | 1 |
| 3 | Well-dispersed SnO2 nanocrystals on N-doped carbon nanowires as efficient electrocatalysts for carbon dioxide reduction显示文摘The conversion of carbon dioxide into valuable organic compounds is a highly promising approach to address the energy issues and environmental problems(e.g., global warming). Herein, we presents a facile and efficient method to prepare highly dense and well-dispersed SnO2 nanocrystals on 1 D N-doped carbon nanowires as advanced catalysts for the efficient electroreduction of CO2 to formate. The ultrasmall SnO2 coated on the N-doped carbon nanowires(SnO2@N-CNW) has been synthesized via the simple hydrothermal treatment coupled with a pyrolysis process. The unique structure enables to expose the active tin oxide and also provides the facile pathways for rapid transfer of electron and electrolyte along with the highly porous carbon foam composed with interconnected carbon nanowires. Therefore, SnO2@NCNW electrocatalyst exhibits good durability and high selectivity for formate formation with a Faradaic efficiency of ca. 90%. This work demonstrates a simple method to rationally design high-dense tin oxide nanocrystals on the conductive carbon support as advanced catalysts for CO2 electroreduction. | Baohua Zhang Lizhen Sun Yueqing Wang Si Chen Jintao Zhang | 2020 | Journal of Energy Chemistry2020，29，2： | 1 |
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