Maintenance and inheritance of yeast prions.

Maintenance and inheritance of yeast prions.
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酵母朊病毒的维持和遗传。

DOI:
10.1016/0168-9525(96)10045-7
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发表时间:
1996
期刊:
Trends in genetics : TIG
影响因子:
--
通讯作者:
S. Lindquist
S. Lindquist
中科院分区:
--
文献类型:
--
作者:
M. Tuite;S. Lindquist

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两种酵母染色体外因子[PSI]和[URE3]的不寻常遗传行为完全符合朊病毒样遗传机制,该机制涉及正常细胞蛋白构象的自催化改变。在这两个酵母决定因素的情况下,潜在的细胞朊病毒蛋白的身份是已知的。分子伴侣Hsp104对[PSI]决定因子的建立和维持至关重要,这一发现为这些决定因子令人费解的遗传行为的几个方面提供了解释。有待解释的是,这些决定因素是代表酵母的“疾病状态”,还是代表在没有潜在基因型变化的情况下产生表型遗传变化的独特机制的第一个例子。
The unusual genetic behaviour of two yeast extrachromosomal elements [PSI] and [URE3] is entirely consistent with a prion-like mechanism of inheritance involving an autocatalytic alteration in the conformation of a normal cellular protein. In the case of both yeast determinants the identity of the underlying cellular prion protein is known. The discovery that the molecular chaperone Hsp104 is essential for the establishment and maintenance of the [PSI] determinant provides an explanation for several aspects of the puzzling genetic behaviour of these determinants. What remains to be explained is whether these determinants represent ‘disease states’ of yeast or represent the first examples of a unique mechanism for producing a heritable change in phenotype without an underlying change in genotype.
DOI: 10.1093/genetics/137.3.671
发表时间: 1994
期刊: Genetics
影响因子: 3.3
作者:
Ter-Avanesyan,MD;Dagkesamanskaya,AR;Kushnirov,VV;Smirnov,VN
通讯作者: Smirnov,VN
DOI: 10.1016/0022-2836(88)90301-4
发表时间: 1988-02
影响因子: 5.6
作者:
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通讯作者: Patricia G. Wilson;M. Culbertson
DOI: 10.1126/science.2188365
发表时间: 1990-06-01
期刊: SCIENCE
影响因子: 56.9
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通讯作者: LINDQUIST, SL