BRCAS

Biodiversity Research Center, Academia Sinica

Dr. Ryuji Machida Assistant Research Fellow

Lab PI

Dr. Ryuji Machida

Assistant Research Fellow

Ph.D. University of Tokyo

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Office: Greenhouse Builiding  200

Tel:+886-2-2787-1585

Research Fields
  • Marine Molecular Ecology
  • Marine Metazoan Metagenomics
  • Evolutionary ecology

Research Directions

  • 1.Metagenomics for marine metazoans
    Metagenomics has transformed our understanding of microbial communities, and is beginning to be applied to metazoans. The majority of marine metazoan species are small and thus difficult to sample individually. Additionally, it is difficult to identify organisms based on the morphology of early developmental stages, such as eggs and larvae. Therefore, the application of metagenomic approaches to marine metazoans has the potential to transform our understanding of metazoan biodiversity.
  • 2.Evolutionary ecology of marine invertebrates
    Our lab is studying invertebrate marine ecology and its evolution, using information acquired from both individual- and community-based (metagenomic) genetic analyses. Such data facilitate our study of invertebrate distribution, population structure, larval dispersal, and related fields.
  • 3.Population subdivision in pelagic zooplankton
    Population subdivision and speciation are important evolutionary mechanisms, which contribute for generation of biodiversity of pelagic zooplankton. We are utilizing both individual- and community-based genetic analyses to study the pelagic gene flow barrier, which plays an important role in the establishment of new populations and species of marine planktonic animals.

 

Latest published paper

Publications ( 2015-2018 )
  1. Pearman J. K., Leray M., Villalobos R., Machida R. J., Berumen M. L., Knowlton N., Carvalho S., 2018, “Cross-shelf investigation of coral reef cryptic benthic organisms reveals diversity patterns of the hidden majority”, Scientific Reports, 8(1), 8090. (SCI) (IF: 4.259; SCI ranking: 15.6%)
  2. Machida RJ, Leray M, Ho SL, Knowlton N, 2017, “Metazoan mitochondrial gene sequence reference datasets for taxonomic assignment of environmental samples”, Scientific Data, 4, 170027. (SCI) (IF: 4.836; SCI ranking: 10.9%)
  3. Machida RJ, Lin YY, 2017, “Occurrence of Mitochondrial CO1 Pseudogenes in Neocalanus plumchrus (Crustacea: Copepoda): Hybridization Indicated by Recombined Nuclear Mitochondrial Pseudogenes”, PLOS ONE, 12(2), e0172710. (SCI) (IF: 2.806; SCI ranking: 23.4%)
  4. Fujioka HA, Machida RJ, Tsuda A , 2015, “Early life history of Neocalanus plumchrus (Calanoida: Copepoda) in the western subarctic Pacific ”, PROGRESS IN OCEANOGRAPHY, 137, 196-208. (SCI) (IF: 3.391; SCI ranking: 6.3%)

Lab members

 

博士後研究及助理
研究生及其他人員
辦公室位置
電  話

林雅熒   林怡礽   何仙蕾

江偉立(Daniel)  

夏翰立(Hari)

新溫室 200

2787-1590