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德国小蠊的表达序列标签分析

Expressed sequence tags analysis of Blattella germanica.

作者信息

Chung Hyang Suk, Yu Tai Hyun, Kim Bong Jin, Kim Sun Mi, Kim Joo Yeong, Yu Hak Sun, Jeong Hae Jin, Ock Mee Sun

机构信息

Department of Otorhinolaryngology, Kosin University College of Medicine, Busan, Korea.

出版信息

Korean J Parasitol. 2005 Dec;43(4):149-56. doi: 10.3347/kjp.2005.43.4.149.

Abstract

Four hundred and sixty five randomly selected clones from a cDNA library of Blattella germanica were partially sequenced and searched using BLAST as a means of analyzing the transcribed sequences of its genome. A total of 363 expressed sequence tags (ESTs) were generated from 465 clones after editing and trimming the vector and ambiguous sequences. About 42% (154/363) of these clones showed significant homology with other data base registered genes. These new B. germanica genes constituted a broad range of transcripts distributed among ribosomal proteins, energy metabolism, allergens, proteases, protease inhibitors, enzymes, translation, cell signaling pathways, and proteins of unknown function. Eighty clones were not well-matched by database searches, and these represent new B. germanica-specific ESTs. Some genes which drew our attention are discussed. The information obtained increases our understanding of the B. germanica genome.

摘要

从德国小蠊的一个cDNA文库中随机挑选出465个克隆进行部分测序,并使用BLAST进行搜索,以此作为分析其基因组转录序列的一种手段。在编辑和修剪载体及模糊序列后,从465个克隆中总共获得了363个表达序列标签(EST)。这些克隆中约42%(154/363)与其他数据库中登记的基因显示出显著的同源性。这些新的德国小蠊基因构成了广泛的转录本,分布在核糖体蛋白、能量代谢、过敏原、蛋白酶、蛋白酶抑制剂、酶、翻译、细胞信号通路以及功能未知的蛋白质中。有80个克隆在数据库搜索中匹配度不佳,这些代表了新的德国小蠊特异性EST。文中讨论了一些引起我们注意的基因。所获得的信息增进了我们对德国小蠊基因组的了解。

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