Determination of a functional ancestral sequence and definition of the 5' end of A-type mouse L1 elements.

Determination of a functional ancestral sequence and definition of the 5' end of A-type mouse L1 elements.
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功能性祖先序列的确定和 A 型小鼠 L1 元件 5 端的定义。

DOI:
10.1016/0022-2836(87)90402-5
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发表时间:
1987
影响因子:
5.6
通讯作者:
Edgell,MH
Edgell,MH
中科院分区:
生物学2区
文献类型:
--
作者:
Shehee,WR;Chao,SF;Loeb,DD;Comer,MB;Hutchison3rd,CA;Edgell,MH

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报道了从BALB/c小鼠基因组DNA文库中分离到的L1 Md重复家族成员L1 Md-A13的全核苷酸序列。还报道了C57 BL/10小鼠β-珠蛋白复合体中L1 Md-9的5′端4331 bp的核苷酸序列。这些序列加上两个先前报道的L1 Md序列的简约分析允许确定祖先L1 Md序列。对L1 Md群体的分析表明,这一祖先序列可能代表功能性L1序列。该祖先序列证实了先前报道的两个大开放阅读框架的长度(1137 bp和3900 bp)和关系(14 bp重叠)是L1 Md家族的保守特征。它还允许确定这两个开放阅读框的祖先氨基酸序列。全长L1 Md元件具有在5′端串联重复的两个序列之一。这两种单体被称为A型和F型。我们的数据定义了A型全长L1 Md元件的5′端。A型的L1 Md元件具有不同数量的串联重复的208 bp单体,但每个元件在距离末端208 bp单体的5′端约78 bp处终止。
The complete nucleotide sequence of L1Md-A13, a 6372 base-pair (bp) member of the L1Md repetitive family isolated from a BALB/c mouse genomic DNA library, is reported. The nucleotide sequence of 4331 bp from the 5′ end of L1Md-9, which is located in the β-globin complex of the C57BL/10 mouse, is also reported. Parsimony analysis of these sequences plus two previously reported L1Md sequences allows the determination of an ancestral L1Md sequence. Analysis of the L1Md population indicates that this ancestral sequence is likely to represent a functional L1 sequence. This ancestral sequence confirms that the length (1137 bp and 3900 bp) and relationship (14 bp overlap) of the two large open reading frames previously reported are conserved features of the L1Md family. It also allows the determination of an ancestral amino acid sequence for these two open reading frames. Full-length L1Md elements have one of two sequences tandemly repeated at the 5′ end. These two monomers are called A-type and F-type. Our data define the 5′ end of A-type full-length L1Md elements. L1Md elements of the A-type have varying numbers of tandemly repeated 208 bp monomers, but each element ends about 78 bp from the 5′ end of the terminal 208 bp monomer.
将 L1 主要散布 DNA 家族的长成员转座到小鼠 β 珠蛋白基因座中。
DOI: 10.1093/nar/13.14.5071
发表时间: 1985
影响因子: 14.9
作者:
Burton,FH;Loeb,DD;Chao,SF;Hutchison3rd,CA;Edgell,MH
通讯作者: Edgell,MH
使用便携式计算机进行测序凝胶读数。
DOI: 10.1093/nar/14.4.1917
发表时间: 1986
影响因子: 14.9
作者:
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DOI: --
发表时间: 1984
期刊: Nucleic Acids Res.
影响因子: --
作者:
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DOI: 10.1016/s0021-9258(18)90989-0
发表时间: 1984
期刊: The Journal of biological chemistry
影响因子: --
作者:
F. Witney;A. Furano
通讯作者: A. Furano
DOI: 10.1093/nar/11.15.5073
发表时间: 1983-01-01
影响因子: 14.9
作者:
FANNING, TG
通讯作者: FANNING, TG