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Phylogenomics and its Growing Impact on Algal Phylogeny and Evolution
윤환수,Adrian, Reyes-Prieto,Yoon, Hwan-Su,Bhattacharya, Debashish 한국조류학회(藻類) 2006 ALGAE Vol.21 No.1
Genomic data is accumulating in public database at an unprecedented rate. Although presently dominated by the sequences of metazoan, plant, parasitic, and picoeukaryotic taxa, both expressed sequence tag (EST) and complete genomes of free-living algae are also slowly appearing. This wealth of information offers the opportunity to clarify many long-standing issues in algal and plant evolution such as the contribution of the plastid endosymbiont to nuclear genome evolution using the tools of comparative genomics and multi-gene phylogenetics. A particularly powerful approach for the automated analysis of genome data from multiple taxa is termed phylogenomics. Phylogenomics is the convergence of genomics science (the study of the function and structure of genes and genomes) and molecular phylogenetics (the study of the hierarchical evolutionary relationships among organisms, their genes and genomes). The use of phylogenetics to drive comparative genome analyses has facilitated the reconstruction of the evolutionary history of genes, gene families, and organisms. Here we survey the available genome data, introduce phylogenomic pipelines, and review some initial results of phylogenomic analyses of algal genome data.
Alexander De Los Reyes,Elizabeth Ann Prieto,Karim Omambac,Jeremy Porquez,Lorenzo Lopez Jr.,Karl Cedric Gonzales,John Daniel Vasquez,Mae Agatha Tumanguil,Joselito Muldera,Kohji Yamamoto,Masahiko Tani,A 한국물리학회 2017 Current Applied Physics Vol.17 No.4
We investigate the effects of an externally applied magnetic field on the terahertz (THz) emission of Gallium Manganese Arsenide (GaMnAs) films grown via molecular beam epitaxy (MBE). Results show that low Mn-doping in GaMnAs resulted to increased THz emission as compared with a SI-GaAs substrate. Further increase in Mn-doping content resulted to a comparably less THz emission, which is attributed to reduced crystallinity and higher free-carrier absorption. Under an external magnetic field, the contributions of the Bup and Bdown-related THz emission were observed to be asymmetric: possibly due to intrinsic magnetic properties of GaMnAs.
Cyanophora paradoxa Genome Elucidates Origin of Photosynthesis in Algae and Plants
Price, D. C.,Chan, C. X.,Yoon, H. S.,Yang, E. C.,Qiu, H.,Weber, A. P. M.,Schwacke, R.,Gross, J.,Blouin, N. A.,Lane, C.,Reyes-Prieto, A.,Durnford, D. G.,Neilson, J. A. D.,Lang, B. F.,Burger, G.,Steiner American Association for the Advancement of Scienc 2012 Science Vol.335 No.6070