Research Topics
| Hitoshi ArakiSummaryAffiliation: Oregon State University Country: USA Publications
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Detail Information
Publications
Effective population size of steelhead trout: influence of variance in reproductive success, hatchery programs, and genetic compensation between life-history formsHitoshi Araki
Department of Zoology, Oregon State University, 3029 Cordley Hall, Corvallis, Oregon 97331, USA
Mol Ecol 16:953-66. 2007..This is the first study showing that reproductive interaction between different life-history forms can buffer the genetic impact of fluctuating census size on Ne...- Genetic effects of captive breeding cause a rapid, cumulative fitness decline in the wildHitoshi Araki
Department of Zoology, 3029 Cordley Hall, Oregon State University Corvallis, OR 97331, USA
Science 318:100-3. 2007.... 
Single-nucleotide mutation rate increases close to insertions/deletions in eukaryotesDacheng Tian
State Key Laboratory of Pharmaceutical Biotechnology, Department of Biology, Nanjing University, Nanjing 210093, China
Nature 455:105-8. 2008..The consistency of these patterns within and between species suggests that indel-associated substitution is a general mutational mechanism...
Highly asymmetric rice genomesJing Ding
State Key Laboratory of Pharmaceutical Biotechnology, Department of Biology, Nanjing University, Nanjing, China
BMC Genomics 8:154. 2007..var. 93-11 provide an opportunity to systematically investigate the extent of the gene repertoire polymorphism, even though the genomic data of 93-11 derived from whole-short-gun sequencing is not yet as complete as that of Nipponbare...- Genetic coadaptation of the amylase gene system in Drosophila melanogaster: evidence for the selective advantage of the lowest AMY activity and of its epistatic genetic backgroundH Araki
Department of Biology, Graduate School of Sciences, Kyushu University, 6 10 1 Hakozaki, Higashi ku, Fukuoka 812 8581, Japan
J Hered 96:388-95. 2005..Our results indicate that natural selection is working on the Amy gene system as a whole for flies to adapt to the various food environments of local populations... - Unbiased estimation of relative reproductive success of different groups: evaluation and correction of bias caused by parentage assignment errorsHitoshi Araki
Department of Zoology, Oregon State University, 3029 Cordley Hall, Corvallis, Oregon 97331, USA
Mol Ecol 14:4097-109. 2005..We show that our methods can efficiently estimate an unbiased RRS and zW(z) regardless of assignment method, and how to maximize the statistical power to detect a difference in reproductive success between groups... - Molecular evolution of pathogenicity-island genes in Pseudomonas viridiflavaHitoshi Araki
Department of Ecology and Evolution, University of Chicago, Chicago, Illinois 60637, USA
Genetics 177:1031-41. 2007..Evolutionarily stable PAIs may be preferable in this species because preexisting genetic variation enables P. viridiflava to respond rapidly to natural selection... - A potential bias in the temporal method for estimating Ne in admixed populations under natural selectionHitoshi Araki
Department of Zoology, 3029 Cordley Hall, Oregon State University Corvallis, OR 97331, USA
Mol Ecol 16:2261-71. 2007..The linkage disequilibrium method, which requires data from only one sample, is robust to this type of bias, although it can be affected by other factors... - Reproductive success of captive-bred steelhead trout in the wild: evaluation of three hatchery programs in the Hood riverHitoshi Araki
Department of Zoology, 3029 Cordley Hall, Oregon State University, Corvallis, OR 97331, USA
Conserv Biol 21:181-90. 2007..The long-term effects of population supplementation remain untested... - Presence/absence polymorphism for alternative pathogenicity islands in Pseudomonas viridiflava, a pathogen of ArabidopsisHitoshi Araki
Department of Ecology and Evolution, University of Chicago, Chicago, IL 60637, USA
Proc Natl Acad Sci U S A 103:5887-92. 2006..Virulence differences and host specificities are hypothesized to be responsible for the maintenance of the dual PAI system in this bacterial pathogen... - Carry-over effect of captive breeding reduces reproductive fitness of wild-born descendants in the wildHitoshi Araki
Department of Zoology, Oregon State University, Corvallis, OR 97331, USA
Biol Lett 5:621-4. 2009..In this population, the population fitness could have been 8 per cent higher if there was no carry-over effect during the study period... - Pseudomonas viridiflava and P. syringae--natural pathogens of Arabidopsis thalianaKatrin Jakob
Department of Ecology and Evolution, University of Chicago, 1101 East 57th Street, Chicago, IL 60637, USA
Mol Plant Microbe Interact 15:1195-203. 2002..viridiflava isolates. We believe that these pathogens will provide a powerful system for exploring coevolution in natural plant-pathogen interactions... - Signature of balancing selection in ArabidopsisDacheng Tian
Department of Ecology and Evolution, University of Chicago, 1101 East 57th Street, Chicago, IL 60615, USA
Proc Natl Acad Sci U S A 99:11525-30. 2002..For this species it should be possible to identify the complete set of genes with long-lived polymorphisms, a potentially important subset of genes segregating for functional variants... - A molecular isolation mechanism associated with high intra-specific diversity in riceSihai Yang
State Key Laboratory of Pharmaceutical Biotechnology, Department of Biology, Nanjing University, Nanjing 210093, China
Gene 394:87-95. 2007..This mechanism is of fundamental importance to understand natural genetic variation within species... - Contrasting patterns of evolution between allelic groups at a single locus in ArabidopsisJing Ding
State Key Laboratory of Pharmaceutical Biotechnology, Department of Biology, Nanjing University, Nanjing, China
Genetica 129:235-42. 2007..These results suggest that both directional and diversifying selection are working on this locus, and that natural selection can cause heterogeneity in evolutionary rate, even among allele groups in a locus... - Intraspecific genetic variations, fitness cost and benefit of RPW8, a disease resistance locus in Arabidopsis thalianaUndral Orgil
Center for Biosystems Research, University of Maryland Biotechnology Institute, 9600 Gudelsky Drive, Rockville, MD 20850, USA
Genetics 176:2317-33. 2007..Our results suggest that polymorphisms at the RPW8 locus in A. thaliana may have been maintained by complex selective forces, including those from the fitness benefits and costs both associated with RPW8... - Unique evolutionary mechanism in R-genes under the presence/absence polymorphism in Arabidopsis thalianaJingdan Shen
State Key Laboratory of Pharmaceutical Biotechnology, Department of Biology, Nanjing University, China
Genetics 172:1243-50. 2006..031-0.103). Our results suggest that R-P/A loci evolved differently from other R-gene loci and that balancing selection plays an important role in molecular evolution of R-P/A...