Abstract：
:Numerous mitochondrial quality control mechanisms exist within cells, but none have been shown to effectively assess and control the quality of mitochondrial DNA (mtDNA). One reason such mechanisms have yet to be elucidated is that they do not appear to be particularly active in most somatic cells, where many studies are conducted. The female germline, the cell lineage that gives rise to eggs, appears to be an exception. In the germline, strong purifying selection pathways act to eliminate deleterious mtDNA. These pathways have apparently evolved to prevent pathogenic mtDNA mutations from accumulating over successive generations and causing a decline of species via Muller's ratchet. Despite their fundamental biological importance, the mechanisms underlying purifying selection remain poorly understood, with no genes involved in this process yet identified. In this review, we discuss recent studies exploring mechanisms of germline mtDNA purifying selection in both mammalian and invertebrate systems. We also discuss the challenges to future major advances. Understanding the molecular basis of purifying selection is not only a fundamental outstanding question in biology, but may also pave the way to controlling selection in somatic tissues, potentially leading to treatments for people suffering from mitochondrial diseases.
journal_name
J Mol Bioljournal_title
Journal of molecular biologyauthors
Palozzi JM,Jeedigunta SP,Hurd TRdoi
10.1016/j.jmb.2018.10.019subject
Has Abstractpub_date
2018-12-07 00:00:00pages
4834-4848issue
24eissn
0022-2836issn
1089-8638pii
S0022-2836(18)31233-6journal_volume
430pub_type
杂志文章,评审abstract：:We reported recently that activation of the inositol 1,4,5-triphosphate receptor (IP3R) is required for efficient HIV-1 Gag trafficking and viral particle release. IP3R activation requires phospholipase C (PLC)-catalyzed hydrolysis of PI(4,5)P(2) to IP3 and diacylglycerol. We show that Sprouty2 (Spry2), which binds PI...
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pub_type： 杂志文章,评审
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journal_title：Journal of molecular biology
pub_type： 杂志文章
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doi：10.1006/jmbi.1996.0277
更新日期：1996-05-17 00:00:00
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journal_title：Journal of molecular biology
pub_type： 杂志文章
doi：10.1016/0022-2836(84)90475-3
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journal_title：Journal of molecular biology
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journal_title：Journal of molecular biology
pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Journal of molecular biology
pub_type： 杂志文章
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