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Microsatellite documentation of male-mediated outcrossing between inbred laboratory strains of the self-fertilizing mangrove killifish (Kryptolebias Marmoratus).
These laboratory findings experimentally confirm that conspecific males can mediate occasional outcross events and that this process can release extensive genic heterozygosity.
Extensive outcrossing and androdioecy in a vertebrate species that otherwise reproduces as a self-fertilizing hermaphrodite.
- M. Mackiewicz, A. Tatarenkov, D. S. Taylor, B. Turner, J. Avise
- BiologyProceedings of the National Academy of Sciences…
- 27 June 2006
It is found that outcrossing (probably between gonochoristic males and hermaphrodites) is common at the Belize site, and the dramatic impact that functional androdioecy can have on the population genetic architecture of this reproductively unique vertebrate species is demonstrated.
Genetic Composition of Laboratory Stocks of the Self-Fertilizing Fish Kryptolebias marmoratus: A Valuable Resource for Experimental Research
A genetic inventory of essentially all laboratory stocks of the Mangrove Killifish held worldwide shows extensive interline differentiation as well as some intraline variation, much of which can be attributed to post-origin de novo mutations and/or to the segregation of polymorphisms from wild progenitors.
A mixed-mating strategy in a hermaphroditic vertebrate
- M. Mackiewicz, A. Tatarenkov, B. Turner, J. Avise
- BiologyProceedings of the Royal Society B: Biological…
- 7 October 2006
A remarkable instance of evolutionary convergence to an analogous mixed mating system by a vertebrate, the mangrove killifish (Kryptolebias marmoratus), is documented, resulting in a local population genetic pattern that differs qualitatively from the genetic architectures known in any other vertebrate species.
GENETIC AND MORPHOLOGICAL IDENTIFICATION OF FUCUS RADICANS SP. NOV. (FUCALES, PHAEOPHYCEAE) IN THE BRACKISH BALTIC SEA 1
- L. Bergström, A. Tatarenkov, K. Johannesson, R. B. Jönsson, L. Kautsky
- Biology, Environmental Science
- 1 October 2005
It is reported here that a population of this unique morphotype is reproductively isolated from a truly sympatric population of common F. vesiculosus and concluded that the northern morphotype represents a previously undescribed species.
Effects of Pleistocene climatic fluctuations on the phylogeographic and demographic histories of Pacific herring (Clupea pallasii)
- Jin-Xian Liu, A. Tatarenkov, T. Beacham, V. Gorbachev, S. Wildes, J. Avise
- BiologyMolecular ecology
- 1 September 2011
The genetic make‐up of extant populations of C. pallasii was shaped by Pleistocene environmental impacts on the historical demography of this species, resulting in a deep genealogical split that cleanly distinguishes populations in the western vs. eastern North Pacific.
On the Evolution of Dopa decarboxylase (Ddc) and Drosophila Systematics
- A. Tatarenkov, J. Kwiatowski, D. Skarecky, E. Barrio, F. Ayala
- BiologyJournal of Molecular Evolution
- 1 April 1999
Most of the coding region of the gene Dopa decarboxylase (Ddc) in 24 fruitfly species is sequenced, which favors the hypothesis that Chymomyza is older than Scaptodrosophila, although this issue is not definitely resolved.
Pronounced reproductive skew in a natural population of green swordtails, Xiphophorus helleri
This study exhaustively analyzed a population of green swordtail fish for genetic paternity (and maternity) using a suite of highly polymorphic microsatellite loci and showed that the opportunity for selection on male X. helleri is among the highest yet reported in fishes, and it is intermediate compared to estimates available for mammals.
Multiple mating and clutch size in invertebrate brooders versus pregnant vertebrates
- J. Avise, A. Tatarenkov, Jin-Xian Liu
- BiologyProceedings of the National Academy of Sciences
- 27 June 2011
In embryo-gestating animals otherwise as different as mammals and mollusks, polygamy rates and histograms of successful mates per brooder proved to be strikingly similar, and no significant correlation in invertebrates between brood size and genetically deduced rates of multiple mating by the incubating sex was uncovered.
Phylogenetic relationships among species groups of the virilis-repleta radiation of Drosophila.
Improvement in the understandng of the phylogenetic relationships among the species roups and subgroups of the virilis–repleta radiation as come from cytological studies, but there were few olecular studies considering intergroup and subroup relationships of the radiation.