ALU家族是一类非长末端重复（non-LTR）反转录转座子，是迄今为止在人类基因组中分布最广泛的短重复序列。 它们最早在20世纪70年代被发现，因其具有A、L、U三个碱基的特征而得名。

2025年3月12日 · Alu transposons are the most abundant short interspersed nuclear elements (SINEs) in primate genomes, comprising over 10% of human DNA. These repetitive sequences have proliferated through retrotransposition, shaping genome structure and function for millions of …

The new analysis was based on 562,843 Alu sequences collected from human and aligned against AluSx. New subfamilies ( highlighted with red in the tree ) and existing subfamilies were then re-aligned to AluJo to create the multiple alignment.

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In the present study, we examine 35 Alu loci and 30 gene-related RSPs in 31 world populations, to characterize diversity and genetic structure in modern human populations. The ancestral state for each Alu and RSP locus has been assigned.

2003年8月1日 · Recently integrated Alu elements (283) from the Yg6 and Yi6 subfamilies were analyzed by polymerase chain reaction (PCR), and 25 of the loci analyzed were polymorphic for insertion presence/absence within the genomes of a diverse array of human populations.

2024年5月18日 · 算术逻辑单元（ALU，Arithmetic Logic Unit）是计算机中央处理器（CPU）中的一个关键组件，负责执行各种算术和逻辑运算。ALU的设计和功能对于计算机的性能和效率至关重要。以下是对ALU的详细解析，包括其功能、结构、工作原理以及在现代计算机中的应用。

我们从基因近端调控序列順式元件频数 (Cis-regulatory element frequencies)的矩阵出发，提出了CREF双重特征模块和极化特征向量的概念，并比较了人、黑猩猩、红猩猩的CREF双重特征模块。 研究发现，在第1,2,3,6容级，调控模块都是保守的。 如图1 (A)所示，比较人类与黑猩猩前6对调控元件特征向量的散点图，前3对和第6对高度相关（Pearson相关系数> 0.99），表明这四个模块是保守的。 相反，第4对和第5对之间的相关性较低，表明在这两个模块中发生了分化。 如图1 …

This study analyses seven Alu insertion polymorphisms in a sample of 297 individuals from the autochthonous population of Tunisia (Thala, Smar, Zarzis, and Bou Salem) and Libya with the aim of studying their genetic structure with respect to the populations of North Africa, Western, Eastern and Central Europe.

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