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衣鱼目嗜热衣鱼的DNA序列组织

DNA sequence organization in the Thysanura Thermobia domestica.

作者信息

French C K, Manning J E

出版信息

J Mol Evol. 1980 Aug;15(4):277-89. doi: 10.1007/BF01733135.

DOI:10.1007/BF01733135
PMID:7411650
Abstract

Cot and chemical analysis show that the haploid genome size of Thermobia domestica is 3-4x10(9) nucleotide pairs. Of this DNA 33% is single copy sequences and 67% is repetitive sequences. The repetitive sequences are predominantly 300 nucleotides in length and are interspersed among the single copy sequences in a short period interspersion pattern similar to that observed in Xenopus and many other higher eucaryotes. The DNA sequence organization observed in Thermobia is compared with that of other more highly evolved insects.

摘要

Cot分析和化学分析表明,嗜热四斑蠼螋的单倍体基因组大小为3-4×10⁹个核苷酸对。在这些DNA中,33%是单拷贝序列,67%是重复序列。重复序列主要长度为300个核苷酸,并且以短周期散布模式散布在单拷贝序列之间,这种模式类似于在非洲爪蟾和许多其他高等真核生物中观察到的模式。将嗜热四斑蠼螋中观察到的DNA序列组织与其他进化程度更高的昆虫的进行比较。

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