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RFLP Analysis of the mtDNA COI Region in Four Abalone Species
Park, Choul-Ji,Kijima, Akihiro The Korean Society of Fisheries and Aquatic Scienc 2006 Fisheries and Aquatic Sciences Vol.9 No.3
The cytochrome c oxidase subunit I (COI) gene region of mitochondrial DNA (mtDNA) was examined in four abalone species to estimate its utility as a genetic marker using restriction fragment length polymorphism (RFLP) analysis. The utility was evaluated in terms of genetic divergence and relationships among Haliotis discus hannai, H. rufescens, H. rubra, and H. midae in both hemispheres of the world. There was clear genetic divergence in the mtDNA COI region between all pairs of the four species. Moreover, relationships among the abalone species were reflected in their geographical distributions and morphological characteristics. Therefore, RFLP analysis of the mtDNA COI region is a suitable genetic marker for the estimation of genetic divergence and relationships among abalone species. However, it is not effective for the evaluation of genetic differences within abalone species.
Xu, Wenlong,Park, Ja Young,Kattel, Krishna,Bony, Badrul Alam,Heo, Woo Choul,Jin, Seonguk,Park, Jang Woo,Chang, Yongmin,Do, Ji Yeon,Chae, Kwon Seok,Kim, Tae Jeong,Park, Ji Ae,Kwak, Young Woo,Lee, Gang The Royal Society of Chemistry 2012 NEW JOURNAL OF CHEMISTRY Vol.36 No.11
<P>Multiple molecular imaging is a challenging subject. Water-soluble and biocompatible lactobionic acid coated ultrasmall mixed gadolinium–europium oxide nanoparticles with an average particle diameter of 1.75 nm and an average hydrodynamic diameter of 4.16 nm were synthesized and applied for <I>T</I><SUB>1</SUB>, <I>T</I><SUB>2</SUB> MRI-FI <I>in vitro</I> and <I>in vivo.</I> They had <I>r</I><SUB>1</SUB> and <I>r</I><SUB>2</SUB> values of 11.9 and 38.7 s<SUP>−1</SUP> mM<SUP>−1</SUP>, respectively, and showed clear dose-dependent contrast changes in both <I>R</I><SUB>1</SUB> and <I>R</I><SUB>2</SUB> map images. In addition, they showed both positive and negative contrast enhancements in 3 tesla <I>T</I><SUB>1</SUB> and <I>T</I><SUB>2</SUB> MR images in a mouse, respectively, and fluorescent confocal images in both DU145 cells and <I>C</I>. <I>elegans</I> (a small nematode). This study demonstrates the <I>T</I><SUB>1</SUB>, <I>T</I><SUB>2</SUB> MRI-FI multi-functionality of lactobionic acid coated mixed gadolinium–europium oxide nanoparticles.</P> <P>Graphic Abstract</P><P>Water-soluble and biocompatible lactobionic acid coated ultrasmall mixed gadolinium–europium oxide nanoparticles (<I>d</I><SUB>avg</SUB> = 1.75 nm and <I>a</I><SUB>avg</SUB> = 4.16 nm) showed <I>T</I><SUB>1</SUB>, <I>T</I><SUB>2</SUB> MRI-FI multi-functionality. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c2nj40149e'> </P>
Park Jong-Won,Lee Young-Mee,Noh Jae-Koo,Kim Hyun-Chul,Park Choul-Ji,Hwang In-Joon,Kim Sung-Yeon,Lee Jeong-Ho 한국발생생물학회 2012 발생과 생식 Vol.16 No.4
This study was conducted to analyze the difference of body types within and between wild and farmed populations of olive flounder Paralichthys olivaceus using measured records of morphological traits. The results showed that surveyed traits and standard deviation were of body weight, of total length, and of body length. Also body height, body shape index and condition factor were , and , respectively. As result of least squares mean and standard error for each trait assumed in this study, those of farmed population showed significantly higher than those of wild population in all traits, exclusively in total length and body length (p<0.01). Particularly, the values of the body height and the body weight of the farmed population were higher than those of the wild population in the same total length. And the phenotypic correlation coefficients of the body weight, the total length, the body length and the body height showed strong positive correlation in all populations. These result suggested that morphological differences exist in farmed and wild flounder. Therefore, introduction of wild flounder is essential for the future production to improve the body type of farmed flounder, and parental fish should be chosen by considering selection of commercially important traits in the production process.