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237 results on '"Park, Jeong-Sun"'

9. Complete mitochondrial genome of the European common barnacle Perforatus perforatus Bruguière, 1789 (balanomorpha: balanidae).

Author

Jeong, Jun Seong, Kim, Hyun Kyong, Park, Jeong Sun, Hwang, Hee-Seung, and Kim, Iksoo

Subjects
MITOCHONDRIAL DNA, WHOLE genome sequencing, BARNACLES, GENOMES
Abstract

This study is the first to sequence the complete mitochondrial genome (mitogenome) of Perforatus perforatus Bruguière, 1789 (Balanomorpha: Balanidae). The 15,536-bp long P. perforatus mitogenome contained a typical set of animal mitochondrial genes, along with one control region. The P. perforatus mitogenome had an inverted gene block (trnP-ND4L-ND4-trnH-ND5-trnF) between trnS(gct) and trnT. This inverted gene block had been detected six species in three subfamilies of the Balanidae family (Balaninae, Acastinae and Megabalaninae), but our results show that it is also present in Concavinae, in which P. perforatus is included. The phylogenetic tree based on the concatenated sequences of the 13 protein-coding genes and two rRNA genes showed that P. perforatus is closely associated with Acasta sulcate and Balanus trigonus within Balanidae. [ABSTRACT FROM AUTHOR]

Published
2024
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19. Population Genetic Characterization of the Pear Pest, Cacopsylla jukyungi (Kwon, 1983) (Hemiptera: Psyllidae), Using Novel Microsatellite Markers.

Author

Kang, Ah Rang, Park, Jeong Sun, Kim, Min Jee, Song, Jang-Hoon, Pyo, Jee-Young, and Kim, Iksoo

Subjects
*MICROSATELLITE repeats, *PEARS, *JUMPING plant-lice, *HEMIPTERA, *CULTIVARS, *LIFE cycles (Biology), *INBREEDING
Abstract

The pear pest, Cacopsylla jukyungi (Hemiptera: Psyllidae), is the most damaging insect to commercial pears in South Korea. An assessment of the population genetic characteristics of the species will raise the potential of effective control. In the present study, we developed eight microsatellite markers specific to C. jukyungi and genotyped 132 individuals collected from 11 localities throughout South Korea. Populations showed lower observed heterozygosity than expected heterozygosity and slightly or highly positive values of inbreeding coefficients, suggesting that C. jukyungi is subjected to inbreeding. A strong dependence on commercial pear trees throughout the whole life cycle, even during overwintering, and a nationwide targeting of the overwintered adults are likely contributors to such heterozygosity deficiency. On the other hand, population analyses consistently indicated strong gene flow among populations, implying the presence of persistent factors that have facilitated this process. The nationwide expansion of pear orchards and the replacement with a popular new cultivar during the last 50 years, which may have accompanied the spread of C. jukyungi-bearing pear grafts and scions, are likely causes of such facilitated dispersal. Thus, a management strategy against unintended anthropogenic dispersal of the pear psyllid will be required for better control of C. jukyungi. [ABSTRACT FROM AUTHOR]

Published
2023
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34. Strong interfacial energetics between catalysts and current collectors in aqueous sodium–air batteries

Author

Baek, Myung-Jin, primary, Choi, Jieun, additional, Wi, Tae-Ung, additional, Lim, Hyeong Yong, additional, Myung, Min Hoon, additional, Lim, Chanoong, additional, Sung, Jinsu, additional, Park, Jeong-Sun, additional, Park, Ju Hyun, additional, Shim, Yul Hui, additional, Park, Jaehyun, additional, Kang, Seok Ju, additional, Kim, Youngsik, additional, Kim, So Youn, additional, Kwak, Sang Kyu, additional, Lee, Hyun-Wook, additional, and Lee, Dong Woog, additional

Published
2022
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