Re: [問題] 請大家幫幫我看看這段文字的意思好嗎？

看板Biology (生物學)作者cplinn (Solaris)時間20年前 (2005/12/16 15:56)推噓1(1推 0噓 1→)

留言2則, 1人參與討論串2/3 (看更多)

※ 引述《daphnesana (michiyo)》之銘言： : 因為老師要我們做這段文字的報告 : 我用翻譯軟體翻的亂七八糟 : 想請大家幫幫忙>< : Orz : Insertion sequences(IS) are defined as mobile genetic elements that are known : to encode only functions involved in insertion events. This is to be contrasted : with transposons (Tn) ,that are mobile genetic elements containing additional : detectable genes in addition and unrelated to insertion functions (for example : , Adrug resistance) .Since is elements, by definitions, do not carry other : genes, they tend not to be used as generic tools. On the other hand, mutations : caused by it's tend to be fairly common among spontaneously derived mutants, : so that knowledge of their properties is relevant. Finally, recognize how very : arbitrary the above definition of an it is: it is potentially our ignorance of : other enconded products that so identifies it as an IS instead of a Tn. : 謝謝！ : 修正後（自己再翻了一次）好像還是不太懂他在說啥 : 插入序列(是) 被定義作為知道輸入唯一作用被介入在插入事件的流動基因元素。這將是 : 流動基因元素與包含另外的可發現的基因，另外和無關對插入作用的轉位子被對比(例如, : 藥物抵抗) 。因為是元素, 所以由定義說, 不要運載其它基因, 他們傾向於不被使用作 : 為基因工具。另一方面, 變化導致是傾向於是相當共同在自發地被獲得的突變體之中, : 以便他們的物產知識是相關的。 : 最後那句我看不懂～～= = 你的英文引文就有點問題吧，以下應該是你的出處： http://www.bact.wisc.edu/Bact370/insertionseqs.html Insertion sequences (IS) are defined as mobile genetic elements that are known to encode only functions involved in insertion events. This is to be contrasted with transposons (Tn) that are mobile genetic elements containing additional detectable genes in addition and unrelated to insertion functions (for example, drug resistance). Since IS elements, by definition, do not carry other genes, they tend not to be used as genetic tools. On the other hand, mutations caused by IS's tend to be fairly common among spontaneously derived mutants, so that knowledge of their properties is relevant. Finally, recognize how very arbitrary the above definition of an IS is: it is potentially our ignorance of other encoded products that so identifies it as an IS instead of a Tn. 意思是說（這是解釋，不是翻譯喔），IS 裡頭的基因，只有負責（將 IS 自己）插入其他位置的功能，Tn 除了這些基因外還含有和插入功能無關的基因，如抗藥性基因等等。IS 因為並不帶有其他基因，所以通常不能當作遺傳工程的工具（比如說送一個基因到 genome裡面）。但是，IS 很容易造成自然狀態下的突變，所以多瞭解它的性質還是很重要（relevant）的。最後要說的是對於 IS 的定義是非常武斷的，有時 IS 內還是有其他基因產物，只是被我們忽略了而已（所以它應該是 Tn）。 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 67.82.233.101