Comparison of leaf transcriptomes of cassava “Xinxuan 048” diploid and autotetraploid plants

Ling Yin,Junjie Qu,Huiwen Zhou,Xiaohong Shang,Hui Fang,Jiang Lu,Huabing Yan 한국유전학회 2018 Genes & Genomics Vol.40 No.9

Polyploidy breeding of cassava has been used to improve cassava traits over the past years. We previously reported in vitro induction of tetraploids in the cassava variety “Xinxuan 048” using colchicine. Significant differences in morphology and anatomy were found between the diploid and tetraploid plants. However, very little is known about the transcriptome difference between them. In this study, morphological and physiological characteristics including leaf thickness, plant height, internode length, chlorophyll content, and photosynthetic capacity were measured. Further, we investigated and validated the difference in gene expression patterns between cassava “Xinxuan 048” tetraploid genotype and its diploid plants using RNA sequencing (RNAseq) and quantitative reverse transcription-polymerase chain reaction (qRT-PCR). Significant differences in morphology and physiology were observed during tetraploidization. A comparison revealed that tetraploidy induced very limited changes in the leaf transcriptomes of cassava “Xinxuan 048” diploid and autotetraploid plants. However, the differentially expressed genes (DEGs) between 2× and 4× plants, especially those upregulated in 4× plants, were strongly associated with hormonal and stress responses. Large changes in morphology and physiology between the diploid cassava “Xinxuan 048” and its autotetraploid were not associated with large changes in their leaf transcriptomes. Moreover, the differently expressed genes related to the regulation of gibberellin and brassinosteroids potentially explained why the plant height and internode length of 4× plants became shorter. Collectively, our results suggest that 4× cassava is potentially valuable for breeding strains with improved stress resistance.

Cohesive Devices and Writing Quality : Singapore Learner Corpus Research

Yin Ling Cheung,Hari Jang 한국코퍼스언어학회 2019 Corpus Linguistics Research Vol.5 No.-

Little published research studies examined the relationship between cohesion and writing quality of L2 children’s narrative texts using scientific tools such as Automatic Analysis of Text Cohesion (TAACO) and Coh-Metrix. To fill the research gap, this study investigates the development of cohesive devices and writing quality of 59 ESL grade four students over one semester using TAACO and Coh-Metrix. The corpus for the current study contained 177 narrative texts. Results show that L2 grade four children’s use of cohesive devices and the quality of writing has improved over one semester. Low proficiency group of students tends to use more cohesive devices than high proficiency group. Multi-dimensional assessment of writing quality shows that referential cohesive devices would be positive predictors of complexity by length and subordination. The study has contributed new knowledge in the field of second language writing in terms of research, theory, and pedagogy.

Efficient Compression Algorithm with Limited Resource for Continuous Surveillance

( Ling Yin ),( Chuanren Liu ),( Xinjiang Lu ),( Jiafeng Chen ),( Caixing Liu ) 한국인터넷정보학회 2016 KSII Transactions on Internet and Information Syst Vol.10 No.11

Energy efficiency of resource-constrained wireless sensor networks is critical in applications such as real-time monitoring/surveillance. To improve the energy efficiency and reduce the energy consumption, the time series data can be compressed before transmission. However, most of the compression algorithms for time series data were developed only for single variate scenarios, while in practice there are often multiple sensor nodes in one application and the collected data is actually multivariate time series. In this paper, we propose to compress the time series data by the Lasso (least absolute shrinkage and selection operator) approximation. We show that, our approach can be naturally extended for compressing the multivariate time series data. Our extension is novel since it constructs an optimal projection of the original multivariates where the best energy efficiency can be realized. The two algorithms are named by ULasso (Univariate Lasso) and MLasso (Multivariate Lasso), for which we also provide practical guidance for parameter selection. Finally, empirically evaluation is implemented with several publicly available real-world data sets from different application domains. We quantify the algorithm performance by measuring the approximation error, compression ratio, and computation complexity. The results show that ULasso and MLasso are superior to or at least equivalent to compression performance of LTC and PLAMlis. Particularly, MLasso can significantly reduce the smooth multivariate time series data, without breaking the major trends and important changes of the sensor network system.

Economic Convergence in the European Union

( Ling Yin ),( George K. Zestos ),( Leo Michelis ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2003 Journal of Economic Integration Vol.18 No.1

Starting with the Treaty of Rome (1957), the European Union adopted common policies to promote “harmonious economic development and balanced expansion.” The paper investigates how successful such policies were, by examining whether there was economic convergence of the real per capita GDP in the EU. Two measures of convergence are employed. The first is σ, which is based on the cross standard deviation of the real per capita GDPs of the EU countries; the second is β convergence based on the neoclassical growth model. Both σ and β were estimated using EU data for the period 1960-1995. The empirical findings support the hypothesis of economic convergence within the EU except for the 1980-85 sub-period where weak divergence was indicated.

Economic Convregence in the European Union

Yin, Ling,Zestos, George K.,Michelis, Leo 세종대학교 국제경제연구소 2003 Journal of Economic Integration Vol.18 No.1

Starting with the Treaty of Rome (1957), the European Union adopted common policies to promote "harmonious economic development and balanced expansion. " The paper investigates how wuccessful such policies were, by examin-ing whether there was economic convergence of the real per capita GDP in the EU. Two measures of convergence are employed. The first is σ, which is based on the cross standard deviation of the real per capitea GDPs of the EU countries; the second is β convergence based on the neoclassical growth model. Both σandβwere estimated using EU data for the period 1960-1995, The empirical findings support the hypithesis of economic convergence within the EU except ofr the 1980-85 sub-period where weak divergence was indicated.

Does the Success of a School-based HPV Vaccine Programme Depend on Teachers' Knowledge and Religion? - a Survey in a Multicultural Society

Woo, Yin Ling,Razali, Sharina Mohd,Chong, Kuoh Ren,Omar, Siti Zawiah Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.9

Organized introduction of prophylactic human papillomavirus (HPV) vaccination can reduce the burden of cervical cancer in developing countries. One of the most effective ways is through a national school-based program. Information on teachers is therefore important since this group may have a disproportionate influence in the success of any implementation. Objective: To assess teachers' knowledge and perception of HPV, cervical cancer and HPV vaccine prior to commencing a school-based HPV vaccination program in a multiethnic, predominantly Muslim country. Factors associated with acceptability of the vaccine were identified. Method: A bilingual questionnaire was applied to 1,500 secondary school teachers from 20 urban schools in Malaysia. Data collected were analyzed using SPSS version 17. Results: 1,166 questionnaires were returned. From this group, 46.1% had never heard of HPV while 50.9% had never had a pap smear. However, 73.8% have heard of the HPV vaccine with 75% agreeing to have it. 96% considered themselves religious with 79.8% agreeing to have the vaccine. Conclusions: A national school-based HPV immunization program can be implemented effectively in a multiethnic, cultural and religious country despite limited knowledge of HPV-related pathology among teachers. In addition, the perception that religion has a negative influence on such a program is unwarranted.

Is “Globalization” the Main Cause of Wage Inequality?

Xiu ling Yin 한국유통과학회 2017 한국유통과학회 학술대회 논문집 Vol.2017 No.-

Trump, the new president of the United States, won the election victory for the reason of meeting the needs of the poor against globalization, which shows that anti-globalization is very popular in the United States. Is Globalization the main cause of rising wage inequality ?There are many theoretical and empirical literature on the relationship between globalization and wage inequality. This paper discusses the development of the theory in the past ten years, mainly discussing the trade model based on matching. Different scholars assume different scenarios, modify the models and get different conclusions. Matching can take a variety of forms. Workers can be matched with firms, with sectors, with managers, or with capital equipment, and the consequences of trade for wages depend on these particulars.

COVID-19 위협이 즉각보상 추구 행동에 미치는 신경심리학 연구

윤미령(Yin, Mei Ling),최한나(Choi, Han Na),이은주(Lee, Eun-Ju) 한국마케팅학회 2021 마케팅연구 Vol.36 No.3

COVID-19는 인간의 육안으로 확인 불가능한 바이러스로서, 2019년에 발병된 이래로 지금까지 전 세계 인구에게 수많은 생명과 질병의 위협을 초래하고 있다. 발병 이전을 기준으로 현재와 비교했을 때, 한 치 앞을 모르는 현재 시점에서 불안정한 생활에 편습해진 현대인들은 COVID-19와 더불어 경제가 봉쇄된 상황임에도 불구하고 현재 지향적 성향을 띄는 소비 형태를 보이고 있다. 특히 델타 변이바이러스의 확산으로 인해 럭셔리 소비의 수요와 비계획적 소비율이 동시에 급등하게 되어, 정체되지 않은 활발한 소비현상을 관측하는 것이 가능하지만, 한편으로 불안정한 경제 상황 속에서 인플레이션(물가상승)을 넘어서 스태그플레이션(저성장속 물가상승)의 현실화 가능성이 높아진 것을 경제전문가는 불가피한 문제점으로 표명하고 있다. COVID-19의 커져가는 위험성을 줄이고 피해 확산이 되는 것을 막기 위해 사회적 거리두기를 시행하며 일상적인 삶을 억압받는 현 상황에서, 본 연구는 죽음을 초래하는 바이러스인 COVID-19가 예기치 못한 소비 활동을 유도하는 현재의 소비 현상의 의의를 밝히는 것에 목적을 둔다. 뇌파 측정의 한 방법인 사건유발 전위기법(Event-Related Potential: ERP)을 사용하여 COVID-19의 위협이 피험자 전두엽에 발생시키는 초기음전위 피크(Early Frontal Negativity: EFN)를 관측하였으며, 추후 주어진 소비 결정 상황에서, COVID-19의 위협에 노출된 소비자들이 통제 조건의 소비자들에 비해 즉각적인 보상의 선택을 하는 경향이 유의하게 높아지는 것을 발견하였다. 결과적으로, 즉각적인 보상을 선호하는 행동은 COVID-19에서 비롯된 위협이 원인으로 작용하여 보상의 지연과 관련된 전두엽의 조절 활동에 부정적인 심리 영향을 끼친 것으로 판단할 수 있다. 또한 소비자의 미래자아와의 연결성이라는 성격특성이 위협에 해당하는 COVID-19에 영향을 받아, 즉각 소비 효과를 조절하는 것으로 나타났다. 보상에 대한 지연은 미래의 자아를 위한 투자로 인식되기 때문에 미래 자아가 위협을 받을 경우 즉각적인 보상 선택 행동이 증가하게 되는 점을 착안하여, 본 연구는 현재 시장에서 관측되는 보복소비의 신경심리학적 기제를 밝힌 것으로 그 의의를 찾을 수 있다. 즉, 질병과 사망의 위협을 감지한 전두엽에서 자원의 소비 시점을 미래에서 현재로 앞당겨, 생명을 보존하고자 하는 생존과 적응(natural selection and adaptation)본능을 소비 맥락에서의 소비자 행동 표출과 함께 신경심리학적 방법으로 연구 결과를 해석하고 있다. Covid 19 is a virus that cannot be seen with naked human eyes, but it has posed life-threatening impacts on the global population since its outbreak in 2019. In spite of the Covid 19 and the economy lockdown, retaliatory luxury consumption is simultaneously rising. Using event-related potential methodology, we observe early negative potential peaks that the threat of Covid 19 can cause in the consumers’ frontal brain, which is a negative peak that occurs at around 200-400 ms after the onset of stimulus called early frontal negativity (EFN). Behavioral results show that consumers who are exposed to the threat of Covid 19 are significantly more likely to choose immediate rewards instead of delaying rewards for greater future benefits, compared to those consumers who were not exposed to the Covid 19 threat. This immediate reward seeking behavior can reflect the fact that the frontal brain’s executive regulation activity is modulated with the threat of virus as evidenced by the early frontal negativity brain waves. In addition, we found that perceived connectedness with their future-selves moderated this effect of Covid 19 threat on immediate reward-seeking behavior. The delay in compensation is an investment for one’s future self, hence, delaying rewards for the future is unnecessary where the future-self may not exist due to the heightened threat. This study can explain the neuropsychological mechanism of retaliatory consumption that is currently observable in global marketplace. The principle of survival instincts of evolutionary psychology appears to be in operation via the mechanism of advancing the realization of rewards from unforeseeable future to the present time.

When Failed Motherhood Threatens Womanhood

Elaine Yin-Ling Tsui,Jo Oi-Yue Cheng 숙명여자대학교 아시아여성연구원 2018 Asian Women Vol.34 No.2

Historically, motherhood has long been the defining aspect of womanhood. Chinese traditional culture emphasized that continuation of the bloodline is the filial responsibility of sons and daughters-in-law. Thus, infertility is often socially stigmatized as the loss of ability of a woman as a whole. Assisted reproductive technology through the use of donated gametes provides an alternative option for women to reconfigure womanhood through the process of childbearing. In 2014, in-depth semi-structured interviews were conducted with eight women who have experienced donor-assisted conception (DAC) and successfully given birth to a child. Through interpretative phenomenological analysis, a unique framework of how DAC acculturates and protects compromised womanhood among Chinese females emerged. Findings presented in this paper shed light on how infertility affects womanhood, and the extent to which DAC affects women’s social and self-identities.

The Comparison of Trade Patterns between China and Korea : Competition and Interdependency

Xiu Ling Yin 한국유통과학회 2013 KODISA ICBE (International Conference on Business Vol.2013 No.-

In the past 20 years, both China and Korea has developed greatly in international trade. In some aspects, China has surpassed Korea, now the two countries are the most important trade partners with each other. At the same time, there arise som intense competitions in some fields. Through comparison, we know that China moves up the value chain in terms of gross trade production, but the change in value added trade is much more mixed. Korea is moving up the value chain much better than China. The big changes are a massive loss of competitiveness in primary goods and significant increases in competitiveness in transport equipment and machinery nec(not else classified). Measured by the switch from foreign to domestic sources for intermediates, The latter two sectors are typically considered high-tech so the substitution of Korean intermediates for imported intermediates suggests a move up the value chain in these sectors.