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Cited by 248

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Incomplete maternal transmission of mitochondrial DNA in Drosophila.

Open access
Kondo, R, Satta, Y, Matsuura, E T, Ishiwa, H, Takahata, N, Chigusa, S I·1990·Genetics

Abstract

The possibility of incomplete maternal transmission of mitochondrial DNA (mtDNA) in Drosophila, previously suggested by the presence of heteroplasmy, was examined by intra- and interspecific backcrosses of Drosophila simulans and its closest relative, Drosophila mauritiana. mtDNAs of offspring in these crosses were characterized by Southern hybridization with two alpha-32P-labeled probes that are specific to paternal mtDNAs. This method could detect as little as 0.03% paternal mtDNA, if present, in a sample. Among 331 lines that had been backcrossed for ten generations, four lines from the interspecific cross D. simulans (female) x D. mauritiana (male) showed clear evidence for paternal leakage of mtDNA. In three of these the maternal type was completely replaced while the fourth was heteroplasmic. Since in this experiment the total number of fertilization is known to be 331 x 10 = 3310, the proportion of paternal mtDNA per fertilization was estimated as about 0.1%. The mechanisms and evolutionary significance for paternal leakage are discussed in light of this finding.

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Metadata

Authors
Kondo, R., Satta, Y., Matsuura, E. T., Ishiwa, H., Takahata, N., & Chigusa, S. I.
Venue
Genetics
Published
1990-11-01
Volume
126
Issue
3
Pages
657-663
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W1561497451
Cited by
248
References
1
FWCI
2.70
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Incomplete maternal transmission of mitochondrial DNA in Drosophila. https://app.cochat.ai/papers/10.1093/genetics/126.3.657
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Kondo, R., Satta, Y., Matsuura, E. T., Ishiwa, H., Takahata, N., & Chigusa, S. I. (1990). Incomplete maternal transmission of mitochondrial DNA in Drosophila. Genetics. https://doi.org/10.1093/genetics/126.3.657

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