Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647700
M. Z. Khan, Maria Zaheer, Farina Fatima
The present studies investigate the induced effects of two pesticides lambda cyhalothrin (pyrethroid) and monocrotophos (organophosphate) on Rana cyanophlyctis (common skittering frog). Two different concentrations i.e. 0.1 and 1% were used and cholinesterase activity was observed in liver, kidney and brain of these frogs. It was decreased upto 34.6 and 46.3% in liver, 25.08 and 57.1% in kidney and 31.64 and 50.7% in brain under the effect of lambda cyhalothrin. In the case of monocrotophos treatment, cholinesterase decreased upto 37.7 and 57.7% in liver, 57.5 and 67.5% in kidney and 47.6 and 65.9% in brain, respectively.
{"title":"Effect of lambda cyhalothrin (pyrethroid) and monocrotophos (organophosphate) on cholinesterase activity in liver, kidney and brain of Rana cyanophlyctis","authors":"M. Z. Khan, Maria Zaheer, Farina Fatima","doi":"10.1080/12265071.2003.9647700","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647700","url":null,"abstract":"The present studies investigate the induced effects of two pesticides lambda cyhalothrin (pyrethroid) and monocrotophos (organophosphate) on Rana cyanophlyctis (common skittering frog). Two different concentrations i.e. 0.1 and 1% were used and cholinesterase activity was observed in liver, kidney and brain of these frogs. It was decreased upto 34.6 and 46.3% in liver, 25.08 and 57.1% in kidney and 31.64 and 50.7% in brain under the effect of lambda cyhalothrin. In the case of monocrotophos treatment, cholinesterase decreased upto 37.7 and 57.7% in liver, 57.5 and 67.5% in kidney and 47.6 and 65.9% in brain, respectively.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"165 - 168"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647700","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647719
H. Choi
Effects of the settlement density of germlings and canopy on settled germlings of Fucus serratus were investigated on the rocky shore of the Isle of Man. The survival of transplanted germlings was mainly determined by parent canopy rather than by initial settlement density of germlings. However, germling growth was greater at low density than at high density and enhanced by canopy removal. Recruitment by natural propagules was stimulated at high settlement density and maximal recruits occurred on caged slides under the canopy. On the experimental slides, tiny snails and sedimentation were found. The number of snails was positively related with the settlement density of germlings indicating that they fed the germlings. Sedimentation and snail number were greater with canopy removal treatments than in canopy intact ones. These indicate that canopy sweeping gives benefits to germlings by removing sediment from substrata and protecting them from herbivores. In conclusion, the survival of settled F. serratus germlings is mainly determined by canopy sweeping and their growth is retarded in the presence of a canopy and at high settlement density.
{"title":"Effects of canopy and settlement density on the performance of the brown seaweed Fucus serratus germlings","authors":"H. Choi","doi":"10.1080/12265071.2003.9647719","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647719","url":null,"abstract":"Effects of the settlement density of germlings and canopy on settled germlings of Fucus serratus were investigated on the rocky shore of the Isle of Man. The survival of transplanted germlings was mainly determined by parent canopy rather than by initial settlement density of germlings. However, germling growth was greater at low density than at high density and enhanced by canopy removal. Recruitment by natural propagules was stimulated at high settlement density and maximal recruits occurred on caged slides under the canopy. On the experimental slides, tiny snails and sedimentation were found. The number of snails was positively related with the settlement density of germlings indicating that they fed the germlings. Sedimentation and snail number were greater with canopy removal treatments than in canopy intact ones. These indicate that canopy sweeping gives benefits to germlings by removing sediment from substrata and protecting them from herbivores. In conclusion, the survival of settled F. serratus germlings is mainly determined by canopy sweeping and their growth is retarded in the presence of a canopy and at high settlement density.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"295 - 301"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647719","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647724
J. Lim, Chunglyul Lee, M. Lee
Vertebrates with different habitats have different proportions of visual cells, with the rod cells responding to scotopic vision and the cone cells responding to photopic and color vision in their retinas. The present work studied whether the kinds and arrangement patterns of the cone cells and interlocking morphology of the lens were related to the kind of preys and habitats in the genus Zacco. The retinas were observed by a light microscopy using H‐E staining method and the interlocking formula of the lens fibers were investigated by a scanning electron microscopy. The interlocking formula of the lens fibers of Z. temmincki is an “anchor and socket” connection, and that of Z. platypus is a “ball and socket” connection. The cone cells of Z. platypus and Z. temmincki constituted compacted mosaic patterns of row type. Away from the center, the double and single cone cells gradually increased in diameter. Zacco temmincki had identical double cone cells and Z. platypus had non‐identical double and single cone cells. The eyes of Z. temmincki feeding on a moving aquatic insects in relative limpid water and swift current of mid and upper stream have better resolution than that of Z. platypus feeding on mainly adhesive algae and some aquatic insects in slightly turbid water of mid stream.
{"title":"Morphology of retinas and lenses in the fish of the genus Zacco (cypriniformes, cyprinidae): Possible relationship with prey and habitat","authors":"J. Lim, Chunglyul Lee, M. Lee","doi":"10.1080/12265071.2003.9647724","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647724","url":null,"abstract":"Vertebrates with different habitats have different proportions of visual cells, with the rod cells responding to scotopic vision and the cone cells responding to photopic and color vision in their retinas. The present work studied whether the kinds and arrangement patterns of the cone cells and interlocking morphology of the lens were related to the kind of preys and habitats in the genus Zacco. The retinas were observed by a light microscopy using H‐E staining method and the interlocking formula of the lens fibers were investigated by a scanning electron microscopy. The interlocking formula of the lens fibers of Z. temmincki is an “anchor and socket” connection, and that of Z. platypus is a “ball and socket” connection. The cone cells of Z. platypus and Z. temmincki constituted compacted mosaic patterns of row type. Away from the center, the double and single cone cells gradually increased in diameter. Zacco temmincki had identical double cone cells and Z. platypus had non‐identical double and single cone cells. The eyes of Z. temmincki feeding on a moving aquatic insects in relative limpid water and swift current of mid and upper stream have better resolution than that of Z. platypus feeding on mainly adhesive algae and some aquatic insects in slightly turbid water of mid stream.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"331 - 335"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647724","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647711
B. Kang, Kang Oh Lee
Abnormalities in fibrinolysis system is associated with risk of hypertension. In this report, the Alu repeat insertion/deletion (I/D) polymorphism of tissue plasminogen activator (t‐PA) and the Hind III RFLP of plasminogen activator inhibitor‐1 (PAI‐1) genes were investigated in 115 normotensives and 83 patients with hypertension, and their association with anthropometrical data and plasma biochemical parameters were analyzed. There were no significant differences in the gene frequencies of the two candidate genes between normotensives and hypertensives, respectively. Our results indicate lack of associations between the two polymorphisms in t‐PA and PAI‐1 genes and risk of hypertension in the population under study. However, the Hind III RFLP of PAI‐1 gene was significantly associated with plasma glucose level, suggesting its role in glucose metabolism. It needs to be tested whether this RFLP of PAI‐1 gene is associated with insulin resistance syndrome or non‐insulin dependent diabetes mellitus (NIDDM) in the Korean population.
纤溶系统异常与高血压风险相关。本文对115例血压正常者和83例高血压患者的组织型纤溶酶原激活物(t‐PA) Alu重复插入/缺失(I/D)多态性和纤溶酶原激活物抑制剂- 1 (PAI‐1)Hind III RFLP基因进行了研究，并分析了它们与人体测量数据和血浆生化参数的相关性。在正常血压和高血压患者之间，这两个候选基因的基因频率分别没有显著差异。我们的研究结果表明，在研究人群中，t - PA和PAI - 1基因的两种多态性与高血压风险之间缺乏相关性。然而，PAI‐1基因Hind III RFLP与血浆葡萄糖水平显著相关，提示其在葡萄糖代谢中起作用。在韩国人群中，PAI - 1基因的RFLP是否与胰岛素抵抗综合征或非胰岛素依赖型糖尿病(NIDDM)相关，需要进一步研究。
{"title":"Genetic polymorphisms of t‐PA and PAI‐1 genes in the Korean population","authors":"B. Kang, Kang Oh Lee","doi":"10.1080/12265071.2003.9647711","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647711","url":null,"abstract":"Abnormalities in fibrinolysis system is associated with risk of hypertension. In this report, the Alu repeat insertion/deletion (I/D) polymorphism of tissue plasminogen activator (t‐PA) and the Hind III RFLP of plasminogen activator inhibitor‐1 (PAI‐1) genes were investigated in 115 normotensives and 83 patients with hypertension, and their association with anthropometrical data and plasma biochemical parameters were analyzed. There were no significant differences in the gene frequencies of the two candidate genes between normotensives and hypertensives, respectively. Our results indicate lack of associations between the two polymorphisms in t‐PA and PAI‐1 genes and risk of hypertension in the population under study. However, the Hind III RFLP of PAI‐1 gene was significantly associated with plasma glucose level, suggesting its role in glucose metabolism. It needs to be tested whether this RFLP of PAI‐1 gene is associated with insulin resistance syndrome or non‐insulin dependent diabetes mellitus (NIDDM) in the Korean population.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"84 1","pages":"249 - 253"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647711","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647688
D. Jeong, E. Choi
Immunoassays have become indispensable tools and achieved great importance in scientific and medical research. However, typical immunoassays are time‐consuming and use complex, multi‐step procedures. In this study, we introduce a new immunoassay system for the quantification of several analytes at a time without any washing steps. It is comprised of a detector solution with fluorescence‐labeled antibodies and a test strip with immobilized capture antibodies. Using a micro‐array scanner, the antigen‐anti body complex was quantitatively determined by measuring the intensities of fluorescence on the capture lines or dots of nitrocellulose membrane. This method demonstrated its rapid quantitative determination of analytes without many processing steps as well as specific identification of multiple analytes in biological specimens.
{"title":"Simultaneous quantitative determination of multiple analytes with fluorescence‐tagged probes by Immunochromatography","authors":"D. Jeong, E. Choi","doi":"10.1080/12265071.2003.9647688","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647688","url":null,"abstract":"Immunoassays have become indispensable tools and achieved great importance in scientific and medical research. However, typical immunoassays are time‐consuming and use complex, multi‐step procedures. In this study, we introduce a new immunoassay system for the quantification of several analytes at a time without any washing steps. It is comprised of a detector solution with fluorescence‐labeled antibodies and a test strip with immobilized capture antibodies. Using a micro‐array scanner, the antigen‐anti body complex was quantitatively determined by measuring the intensities of fluorescence on the capture lines or dots of nitrocellulose membrane. This method demonstrated its rapid quantitative determination of analytes without many processing steps as well as specific identification of multiple analytes in biological specimens.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"89 - 92"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647688","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647693
J. Rho, J. Choe
We studied the nectar secretion of the Japanese Camellia (Camellia japonica L.), an evergreen tree and observed its floral visitors during the day. The mean volume of nectar secreted, during daylight (08:31 to 16:30 h) was 30.26 ± 18.29 ml (SD) (n = 27). During the late afternoon and overnight (16:31 to 08:30 following day), 100.54 ± 54.85 ml (n = 27) of nectar was secreted. Total volume measured when flowers were sampled once every two hours for an eight‐hour period was approximately one‐half the volume which was measured when the flowers were sampled only once after eight hours. The mean nectar volume secreted was 8.55 ± 8.3 ml (n = 30) between 08:31 to 10:30, 4.38 ± 6.1 ml (n = 30) between 10:31 to 12:30, 4.6 ± 5.4 ml (n = 30) between 12:31 to 14:30, and 4.02 ± 3.5 ml (n = 30) between 14:31 to 16:30 hours. During the day, Japanese Camellia flowers were principally visited by the Japanese white‐eye (Zosterops erythropleura erythropleura S.), a native bird, although insects and squirrels also visited to a lesser degree.
研究了常绿树种日本茶花(Camellia japonica L.)的花蜜分泌，并观察了其白天的访花情况。白天(08:31 ~ 16:30 h)平均分泌花蜜量为30.26±18.29 ml (SD) (n = 27)。在下午晚些时候和夜间(16:31 -次日08:30)，分泌了100.54±54.85 ml (n = 27)的花蜜。当花在8小时内每两小时采样一次时，测量的总体积大约是8小时后只采样一次时测量的体积的一半。08:31 ~ 10:30平均分泌量为8.55±8.3 ml (n = 30)， 10:31 ~ 12:30平均分泌量为4.38±6.1 ml (n = 30)， 12:31 ~ 14:30平均分泌量为4.6±5.4 ml (n = 30)， 14:31 ~ 16:30平均分泌量为4.02±3.5 ml (n = 30)。白天，日本白眼(Zosterops erythropleura erythropleura S.)(一种本地鸟类)主要光顾日本山茶花，尽管昆虫和松鼠也有较少程度的光顾。
{"title":"Floral visitors and nectar secretion of the Japanese camellia, camellia japonica L.","authors":"J. Rho, J. Choe","doi":"10.1080/12265071.2003.9647693","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647693","url":null,"abstract":"We studied the nectar secretion of the Japanese Camellia (Camellia japonica L.), an evergreen tree and observed its floral visitors during the day. The mean volume of nectar secreted, during daylight (08:31 to 16:30 h) was 30.26 ± 18.29 ml (SD) (n = 27). During the late afternoon and overnight (16:31 to 08:30 following day), 100.54 ± 54.85 ml (n = 27) of nectar was secreted. Total volume measured when flowers were sampled once every two hours for an eight‐hour period was approximately one‐half the volume which was measured when the flowers were sampled only once after eight hours. The mean nectar volume secreted was 8.55 ± 8.3 ml (n = 30) between 08:31 to 10:30, 4.38 ± 6.1 ml (n = 30) between 10:31 to 12:30, 4.6 ± 5.4 ml (n = 30) between 12:31 to 14:30, and 4.02 ± 3.5 ml (n = 30) between 14:31 to 16:30 hours. During the day, Japanese Camellia flowers were principally visited by the Japanese white‐eye (Zosterops erythropleura erythropleura S.), a native bird, although insects and squirrels also visited to a lesser degree.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"123 - 125"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647693","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647717
T. Chatterjee, C. Annapurna, C. Chang
Copidognathus bengalensis n. sp. is described from Visakhapatnam coast, Bay of Bengal, India. The present species is characterized by posterodorsal plate (PD) with four costae made up of porose panels, subdivided posterior cornea of ocular plate (OC), and two pairs of basirostral setae in female. This species is related to C. pulcher group, but the nature of porose panels on anterior areolae of anterior dorsal plate (AD) and the setal ornamentation of legs were different between the members of C. pulcher group and the present new species.
孟加拉Copidognathus bengalensis n. sp.描述自印度孟加拉湾维萨卡帕特南海岸。本种的特征是:后嗅板(PD)有四个由多孔板组成的肋板，眼板后角膜(OC)细分，雌性有两对基侧刚毛。本新种与棘足蝗群有亲缘关系，但棘足蝗群成员的前背板前乳晕孔板的性质和腿的刚毛纹饰在棘足蝗群成员和本新种之间存在差异。
{"title":"A new species of the genus Copidognathus (Halacaridae: Acari) from India","authors":"T. Chatterjee, C. Annapurna, C. Chang","doi":"10.1080/12265071.2003.9647717","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647717","url":null,"abstract":"Copidognathus bengalensis n. sp. is described from Visakhapatnam coast, Bay of Bengal, India. The present species is characterized by posterodorsal plate (PD) with four costae made up of porose panels, subdivided posterior cornea of ocular plate (OC), and two pairs of basirostral setae in female. This species is related to C. pulcher group, but the nature of porose panels on anterior areolae of anterior dorsal plate (AD) and the setal ornamentation of legs were different between the members of C. pulcher group and the present new species.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"283 - 287"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647717","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647725
Yong-Soon Park, T. Cho
Methyl jasmonate (MeJA) is a signal molecule in the activation of defense responses in plants. In this study, we isolated 15 MeJA‐inducible genes by subtractive hybridization. These genes encode two myrosinase‐binding proteins, five lipase‐like proteins, a polygalacturonase inhibitor, a putative chlorophyll‐associated protein, a terpene synthase, a dehydroascorbate reductase, an ascorbate oxidase, a cysteine protease, an O‐methyltransferase, and an epithiospecifier protein. Northern analysis showed that most of the Chinese cabbage genes are barely expressed in healthy leaves, but are strongly induced by MeJA treatment. We also examined whether these MeJA‐inducible genes were activated by ethethon, BTH, and Pseudomonas syringae pv. tomato (Pst), a nonhost pathogen of Chinese cabbage. The results showed that none of the MeJA‐inducible genes was strongly induced by ethephon or by BTH. The genes encoding lipase‐like proteins and a myrosinase‐binding protein were weakly induced by Pst. Other MeJA‐inducible genes were not activated at all by the pathogen.
{"title":"Isolation and characterization of methyl jasmonate‐inducible genes in chinese cabbage","authors":"Yong-Soon Park, T. Cho","doi":"10.1080/12265071.2003.9647725","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647725","url":null,"abstract":"Methyl jasmonate (MeJA) is a signal molecule in the activation of defense responses in plants. In this study, we isolated 15 MeJA‐inducible genes by subtractive hybridization. These genes encode two myrosinase‐binding proteins, five lipase‐like proteins, a polygalacturonase inhibitor, a putative chlorophyll‐associated protein, a terpene synthase, a dehydroascorbate reductase, an ascorbate oxidase, a cysteine protease, an O‐methyltransferase, and an epithiospecifier protein. Northern analysis showed that most of the Chinese cabbage genes are barely expressed in healthy leaves, but are strongly induced by MeJA treatment. We also examined whether these MeJA‐inducible genes were activated by ethethon, BTH, and Pseudomonas syringae pv. tomato (Pst), a nonhost pathogen of Chinese cabbage. The results showed that none of the MeJA‐inducible genes was strongly induced by ethephon or by BTH. The genes encoding lipase‐like proteins and a myrosinase‐binding protein were weakly induced by Pst. Other MeJA‐inducible genes were not activated at all by the pathogen.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"337 - 343"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647725","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647689
Chang-Mok Lee, Young-Hyo Kim, Kyung-Sook Lee
Two diastylid species, Dimorphostylis manazuruensis Gamô (1960) and Dimorphostylis longicauda Gamô (1962), are recorded as new to Korean cumacean fauna. The subadult male of D. longicauda is described for the first time. As a result, the genus Dimorphostylis found in Korean waters now consists of eight species.
{"title":"Two new records of dimorphostylis (crustacea, cumacea, diastylidae) from Korea","authors":"Chang-Mok Lee, Young-Hyo Kim, Kyung-Sook Lee","doi":"10.1080/12265071.2003.9647689","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647689","url":null,"abstract":"Two diastylid species, Dimorphostylis manazuruensis Gamô (1960) and Dimorphostylis longicauda Gamô (1962), are recorded as new to Korean cumacean fauna. The subadult male of D. longicauda is described for the first time. As a result, the genus Dimorphostylis found in Korean waters now consists of eight species.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"103 - 93"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647689","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-01-01DOI: 10.1080/12265071.2003.9647696
H. Jin, W. Kim
We analyzed seven Y chromosome binary markers (YAP, RPS4Y711, M9, M175, LINE1, SRY+465 and 47z) in samples from a total of 254 males from Koreans and two Mongolian ethnic groups (Buryat and Khalkh) to study the genetic relationship among these populations. We found eight distinct Y haplogroups constructed from the seven binary markers. Haplogroup DE‐YAP was present at extremely low frequencies (∼2%) in the Korean and Mongolian populations. This result is consistent with earlier reports that showed the YAP+ chromosomes to be highly polymorphic only in populations from Japan and Tibet in east Asia. The observed high frequency of haplogroup C‐RPS4Y711 in the Mongolian populations (∼40%) is concordant with recent findings, showing that the RPS4Y711‐T chromosomes were distributed at high frequencies in Siberian and Mongolian populations compared with most other populations from east Asia. Thus, the relatively moderate frequency of haplogroup C‐RPS4Y711 in Koreans (∼15%) can be seen as genetic evidence for probable interaction with Mongolian and/or Siberian populations. In contrast, the majority (∼75%) of modern Koreans studied here had high frequencies of Y chromosome lineages of haplogroup O‐M175 and additional haplogroups that define sublineage of O‐M175, which are most likely related with modern populations in China. In conclusion, our data on the Y chromosome haplogroup distribution may provide evidence for interaction between Korean and Mongolian populations, but Koreans tend to be much more related with those from southern‐to‐northern populations of China than to Mongolians in east Asia.
{"title":"Genetic relationship between Korean and Mongolian populations based on the Y chromosome DNA variation","authors":"H. Jin, W. Kim","doi":"10.1080/12265071.2003.9647696","DOIUrl":"https://doi.org/10.1080/12265071.2003.9647696","url":null,"abstract":"We analyzed seven Y chromosome binary markers (YAP, RPS4Y711, M9, M175, LINE1, SRY+465 and 47z) in samples from a total of 254 males from Koreans and two Mongolian ethnic groups (Buryat and Khalkh) to study the genetic relationship among these populations. We found eight distinct Y haplogroups constructed from the seven binary markers. Haplogroup DE‐YAP was present at extremely low frequencies (∼2%) in the Korean and Mongolian populations. This result is consistent with earlier reports that showed the YAP+ chromosomes to be highly polymorphic only in populations from Japan and Tibet in east Asia. The observed high frequency of haplogroup C‐RPS4Y711 in the Mongolian populations (∼40%) is concordant with recent findings, showing that the RPS4Y711‐T chromosomes were distributed at high frequencies in Siberian and Mongolian populations compared with most other populations from east Asia. Thus, the relatively moderate frequency of haplogroup C‐RPS4Y711 in Koreans (∼15%) can be seen as genetic evidence for probable interaction with Mongolian and/or Siberian populations. In contrast, the majority (∼75%) of modern Koreans studied here had high frequencies of Y chromosome lineages of haplogroup O‐M175 and additional haplogroups that define sublineage of O‐M175, which are most likely related with modern populations in China. In conclusion, our data on the Y chromosome haplogroup distribution may provide evidence for interaction between Korean and Mongolian populations, but Koreans tend to be much more related with those from southern‐to‐northern populations of China than to Mongolians in east Asia.","PeriodicalId":85060,"journal":{"name":"Korean journal of biological sciences","volume":"7 1","pages":"139 - 144"},"PeriodicalIF":0.0,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/12265071.2003.9647696","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59655521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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