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- Title
The detection of sex-linked heteroplasmy in Pseudocardium sachalinense (Bivalvia: Mactridae) and its implications for the distribution of doubly uniparental inheritance of mitochondrial DNA.
- Authors
Plazzi, Federico
- Abstract
Although mitochondrial inheritance in metazoans is typically strictly maternal, doubly uniparental inheritance (DUI) is probably the major exception to this widespread rule. DUI has been found in many species of bivalve molluscs, belonging to several different families. Based on current understanding, the detection of DUI generally relies on the detection of two distinct mitochondrial DNA lineages: a female-transmitted one, that dominates somatic tissues in males and females and eggs, and a male-transmitted one, that dominates the male germline and sperm. When a new species with DUI is identified, novel data are available to make a better inference on the evolution of this phenomenon within the Bivalvia. In this study, mitochondrial heteroplasmy in Pseudocardium sachalinense (Schrenck, 1862) is described. This species belongs to the family of Mactridae, in which DUI has not been previously demonstrated: this finding allowed to upgrade the present knowledge about the distribution of DUI.
- Subjects
BIVALVES; MACTRIDAE; MITOCHONDRIAL DNA; MOLLUSKS; MOLLUSK classification; MITOCHONDRIAL RNA
- Publication
Journal of Zoological Systematics & Evolutionary Research, 2015, Vol 53, Issue 3, p205
- ISSN
0947-5745
- Publication type
Article
- DOI
10.1111/jzs.12097