YANG Zu-Jun , LI Guang-Rong , LIU Chang , FENG Juan , ZHOU Jian-Ping , REN Zheng-Long
{"title":"Molecular Characterization of a HMW Glutenin Subunit Allele Providing Evidence for Silencing of x-type Gene on Glu-B1","authors":"YANG Zu-Jun , LI Guang-Rong , LIU Chang , FENG Juan , ZHOU Jian-Ping , REN Zheng-Long","doi":"10.1016/S0379-4172(06)60127-3","DOIUrl":"10.1016/S0379-4172(06)60127-3","url":null,"abstract":"<div><p>Understanding the molecular structure of high-molecular-weight glutenin subunit (HMW-GS) may provide useful evidence for the study on the improvement of quality of cultivated wheat and the evolution of <em>Glu-1</em> alleles. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) shows that the subunits encoded by <em>Glu-B1</em> were null, named 1Bxm, in a <em>Triticum turgidum</em> var. <em>dicoccoides</em> line PI94640. Primers based on the conserved regions in wheat HMW-GS gene promoter and coding sequences were used to amplify the genomic DNA of line PI94640. The PCR products were sequenced, and the total nucleotide sequence of 3 442 bp including upstream sequence of 1 070 bp was obtained. Compared with the reported gene sequences of <em>Glu-1Bx</em> alleles, the promoter region of the <em>Glu-1Bxm</em> showed close resemblance to 1Bx7. The <em>Glu-1Bxm</em> coding region differs from the other <em>Glu-1Bx</em> alleles for a deduced mature protein with only 212 residues, and a stop codon (TAA) at 637 bp downstream from the start codon was present, which was probably responsible for the silencing of x-type subunit genes at the <em>Glu-B1</em> locus. Phylogenetic tree based on the nucleotide sequence alignment of HMW glutenin subunit genes showed that 1Bxm was the most ancient type of <em>Glu-B1</em> alleles, suggesting that the evolution rates are different among <em>Glu-1Bx</em> genes. Further study on the contribution of the unique silenced <em>Glu-B1</em> alleles to quality improvement was also discussed.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 10","pages":"Pages 929-936"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60127-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26314381","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}
XUE Kai , CHEN Hong , WANG Shan , CAI Xin , LIU Bo , ZHANG Cun-Fang , LEI Chu-Zhao , WANG Xin-Zhuang , WANG Yi-Min , NIU Hui
{"title":"Effect of Genetic Variations of the POU1F1 Gene on Growth Traits of Nanyang Cattle","authors":"XUE Kai , CHEN Hong , WANG Shan , CAI Xin , LIU Bo , ZHANG Cun-Fang , LEI Chu-Zhao , WANG Xin-Zhuang , WANG Yi-Min , NIU Hui","doi":"10.1016/S0379-4172(06)60124-8","DOIUrl":"10.1016/S0379-4172(06)60124-8","url":null,"abstract":"<div><p>PCR-RFLP was applied to analyze the effect of the genetic variations of the <em>POU1F1</em> gene on growth traits of 100 Nanyang cattle. The results showed that the 451 bp PCR product digested with <em>Hin</em>f I demonstrated polymorphism in the population, which was at Hardy-Weinberg equilibrium. Moreover, the frequencies of alleles <em>A/B</em> in the Nanyang population were 0.465/0.535. The association of the variations of the <em>POU1F1</em> gene with the growth traits in the population was analyzed. The following parameters were greater in individuals with a genotype <em>BB</em> than in those with an genotype <em>AB</em>: birth weight, average weight increase before ablactation, body height at 12 months, body weight, body length, and chest girth at 6 months and 12 months (<em>P</em><0.05). The body weight at 12 months was higher in the <em>BB</em> individuals than in the <em>AA</em> individuals (<em>P</em> <0.05). The body weight and body sizes also showed a trend of allele <em>B</em>> allele <em>A</em> in the other age groups. Therefore, the genotype <em>BB</em> maybe a dominant genotype and the allele <em>B</em> may be a dominant allele. These results imply that the allele <em>B</em> of the <em>POU1F1</em> gene is likely to positively affect the growth traits.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 10","pages":"Pages 901-907"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60124-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26313890","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}
HAN Zhao-Xue , QIAN Gang , PAN Zhi-Fen , DENG Guang-Bing , WU Fang , TANG Ya-Wei , QIANG Xiao-Lin , YU Mao-Qun
{"title":"Cloning and Characterization of Four B-hordein Genes from Tibetan Hull-less Barley (Hordeum vulgare subsp. vulgare)","authors":"HAN Zhao-Xue , QIAN Gang , PAN Zhi-Fen , DENG Guang-Bing , WU Fang , TANG Ya-Wei , QIANG Xiao-Lin , YU Mao-Qun","doi":"10.1016/S0379-4172(06)60128-5","DOIUrl":"10.1016/S0379-4172(06)60128-5","url":null,"abstract":"<div><p>Four B-hordein genes, designated <em>BH1-BH4</em>, were cloned using PCR amplification from two hull-less barley cultivars, ZQ7239 and ZQ148, collected from Tibet. The results of sequencing indicated that <em>BH1-BH4</em> contained complete open reading frames (ORFs). Comparison of their predicted polypeptide sequences with the published sequences suggested that they all share the same basic protein structure. Phylogenetic analysis indicated that the deduced amino-acid sequences of <em>BH1-BH4</em> genes were more closely related to B-hordeins from cultivated barley (<em>Hordeum vulgare</em> L.) than to any other prolamins from wild barley and <em>Aegilops tauschii</em>. Comparison of the coding regions of <em>BH1-BH4</em> genes showed that <em>BH1</em> had a lower sequence identity to other previously published B-hordeins than the other three B-hordeins obtained in this study. <em>BH1</em> was then cloned in a bacterial expression vector based on bacteriophage T7 RNA polymerase. The resulting plasmid produced a 28.15 kDa protein in <em>Escherichia coli</em>. The potential value of B-hordein genes in grain quality improvement of hull-less barley has been discussed.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 10","pages":"Pages 937-947"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60128-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26314382","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}
ZHAO Jin-Liang, WANG Wei-Wei, LI Si-Fa, CAI Wan-Qi
{"title":"Structure of the Mitochondrial DNA Control Region of the Sinipercine Fishes and Their Phylogenetic Relationship","authors":"ZHAO Jin-Liang, WANG Wei-Wei, LI Si-Fa, CAI Wan-Qi","doi":"10.1016/S0379-4172(06)60112-1","DOIUrl":"10.1016/S0379-4172(06)60112-1","url":null,"abstract":"<div><p>The mitochondrial DNA control region of <em>Siniperca chuatsi, S. kneri, S. scherzeri, S. obscura, S. undulata, Coreosiniperca roulei</em> and <em>Coreoperca whiteheadi</em> were amplified by PCR amplification and directly sequenced. The mtDNA control region of the sinipercine fishes could be separated into three domains, namely, the terminal associated sequence domain, the central conserved sequence domain and the conserved sequence block domain. The extended terminal associated sequence (ETAS), three conserved sequence blocks (CSB-F, CSB-E, CSB-D) in the central conserved sequence domain and three conserved sequence blocks (CSB1, CSB2, CSB3) in the conserved sequence block domain were also identified. The phylogenetic relationships among these sinipercine fishes were constructed through neighbor-joining and maximum parsimony methods using Percidae and Serranidae as outgroups. Results showed that sinipercine fishes were a monophyletic group, with <em>Siniperca</em> forming one group, and <em>Coreoperca</em> forming another group. <em>Coreosiniperca roulei</em> did not form an independent group but was merged into the genus <em>Siniperca</em>. Thus it should be renamed as <em>Siniperca roulei</em>.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 793-799"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60112-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26315243","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}
{"title":"RFLP and AFLP Analysis of Inter- and Intraspecific Variation of Brassica rapa and B. napus Shows that B. rapa Is an Important Genetic Resource for B. napus Improvement","authors":"LIU Ren-Hu , MENG Jin-Ling","doi":"10.1016/S0379-4172(06)60115-7","DOIUrl":"10.1016/S0379-4172(06)60115-7","url":null,"abstract":"<div><p>Fingerprinting of 29 accessions of oilseed rape, including seven accessions of <em>Brassica napus</em>, and 22 accessions of B. rapa (<em>B. campestris</em>) from Europe, North America, and China was analyzed using RFLP and AFLP markers. In total, 1 477 polymorphic RFLP bands and 183 polymorphic AFLP bands from 166 enzyme-probe combinations and two pairs of AFLP primers, respectively, were scored for the 29 accessions. On average, RFLP analysis showed that the <em>Arabidopsis</em> EST probe detected more polymorphic bands in <em>Brassica</em> than the random genomic probe performed. More polymorphic RFLP markers were detected with the digestion of <em>Eco</em>R I or <em>Bam</em>H I than <em>Hind</em>III. According to the number of bands amplified from each accession, the copy numbers of each gene in the genomes of <em>B. rapa</em> and <em>B. napus</em> were estimated. The average copy numbers in <em>B. rapa</em> of China, <em>B. rapa</em> of Europe, and <em>B. napus</em>, were 3.2, 3.1, and 2.9, respectively. Genetic distance based on the AFLP data was well correlated with that based on the RFLP data (<em>r</em> = 0.72, <em>P</em><0.001), but 0.39 smaller on average. Genetic diversity analysis showed that Chinese <em>B. rapa</em> was more polymorphic than Chinese <em>B. napus</em> and European materials. Some European <em>B. napus</em> accessions were clustered into European <em>B. rapa</em>, which were distinctly different from Chinese <em>B. napus</em>. The larger variations of Chinese accessions of <em>B. rapa</em> suggest that they are valuable in oilseed rape breeding. Novel strategies to use intersubgenomic heterosis between genome of <em>B. rapa</em> (A<sup>r</sup>A<sup>r</sup>) and genome of <em>B. napus</em> (A<sup>n</sup>A<sup>n</sup>C<sup>n</sup>C<sup>n</sup>) were elucidated.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 814-823"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60115-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26256803","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}
ZHAO Wei-Guo , MIAO Xue-Xia , ZANG Bo , ZHANG Lin , PAN Yi-Le , HUANG Yong-Ping
{"title":"Construction of Fingerprinting and Genetic Diversity of Mulberry Cultivars in China by ISSR Markers","authors":"ZHAO Wei-Guo , MIAO Xue-Xia , ZANG Bo , ZHANG Lin , PAN Yi-Le , HUANG Yong-Ping","doi":"10.1016/S0379-4172(06)60119-4","DOIUrl":"10.1016/S0379-4172(06)60119-4","url":null,"abstract":"<div><p>The ISSR fingerprintings of 24 mulberry cultivars were constructed. Totally 80 bands were produced using 17 primers selected from 20 primers. Of them, 40 bands showed polymorphism. From the bands amplified, there were three independent ways to identify the mulberry varieties, such as unique ISSR markers, unique band patterns and a combination of the band patterns provided by different primers. ISSRs were very effective in differentiating the mulberry varieties. The mean genetic similarity coefficient, the mean Nei's gene diversity (<em>h</em>), and the mean Shannon's Information index (<em>I</em>) of mulberry cultivars were 0.8731, 0.1210, and 0.1942, respectively. This suggests that the genetic diversity of mulberry cultivars was low and the genetic base was narrow. Both UPGMA cluster and PCA (Principal Coordinates Analysis) analysis showed clear genetic relationships among the 24 mulberry cultivars. The major clusters were related to known pedigree relationships.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 851-860"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60119-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26256807","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}
HUANG Qing-Yang , SHEN Hui , DENG Hong-Yi , Theresa Conway , Leo Elze , K. Michael Davies , Robert R. Recker , DENG Hong-Wen
{"title":"Linkage and Association Between CA Repeat Polymorphism of the TNFR2 Gene and Obesity Phenotypes in Two Independent Caucasian Populations","authors":"HUANG Qing-Yang , SHEN Hui , DENG Hong-Yi , Theresa Conway , Leo Elze , K. Michael Davies , Robert R. Recker , DENG Hong-Wen","doi":"10.1016/S0379-4172(06)60110-8","DOIUrl":"10.1016/S0379-4172(06)60110-8","url":null,"abstract":"<div><p>Previously, our group has reported a suggestive linkage evidence of 1p36 with body mass index (BMI) (<em>LOD</em> = 2.09). The tumor necrosis factor receptor 2 (<em>TNFR2</em>) at 1p36 is an excellent positional and functional candidate gene for obesity. In this study, we have investigated the linkage and association between the <em>TNFR2</em> gene and obesity phenotypes in two large independent samples, using the quantitative transmission disequilibrium tests (QTDT). The first group was made up of 1 836 individuals from 79 multi-generation pedigrees. The second group was a randomly ascertained set of 636 individuals from 157 US Caucasian nuclear families. Obesity phenotypes tested include BMI, fat mass, and percentage fat mass (PFM). A significant result (<em>P</em> = 0.0056) was observed for linkage with BMI in the sample of the multigenerational pedigrees. Our data support the <em>TNFR2</em> gene as a quantitative trait locus (QTL) underlying BMI variation in the Caucasian populations.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 775-781"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60110-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26315241","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}
HUANG Zhi-Guo , XIONG Li , LIU Zhen-Shan , QIAO Yong , DAI Rong , XIE Zhuang , LIU Shou-Ren , SHI Guo-Qing , LIU Guo-Qing
{"title":"The Tissue Distribution and Developmental Changes of ghrelin mRNA Expression in Sheep","authors":"HUANG Zhi-Guo , XIONG Li , LIU Zhen-Shan , QIAO Yong , DAI Rong , XIE Zhuang , LIU Shou-Ren , SHI Guo-Qing , LIU Guo-Qing","doi":"10.1016/S0379-4172(06)60114-5","DOIUrl":"10.1016/S0379-4172(06)60114-5","url":null,"abstract":"<div><p>Male Kazak sheep and Xinjiang fine wool sheep, six for each different age group (days 2, 30, 60, 90 and 120), were used in the present study to investigate the tissue distribution and developmental changes of <em>ghrelin</em> mRNA expression in abomasum; however, there was no 120-day-old Kazak sheep. After measurement of body weight, the tissues such as hypothalamus, pituitary, heart, liver, rumen, reticulum, omasum, abomasum, duodenum, and longissimus dorsi muscle were sampled. And the total RNA of different tissues was extracted to determine the abundance of <em>ghrelin</em> mRNA by RT-PCR and real-time PCR. The results showed that (1) for both breeds, body weight among different ages was significantly different (<em>P</em><0.05). And from day 30 to 90, the body weight of Kazak was significantly higher than that of Xinjiang (<em>P</em><0.01); (2) <em>Ghrelin</em> mRNA existed in all the above tissues and was significantly higher in the abomasum than in other tissues (<em>P</em><0.05); (3) the temporal patterns of abomasum <em>ghrelin</em> mRNA expression in Kazak and Xinjiang were similar. From day 2 to 60 in Kazak and 2 to 90 in Xinjiang, there was a steady increase in the <em>ghrelin</em> mRNA level. By day 60 in Kazak and day 90 in Xinjiang, the level reached a plateau and remained steady. These results also demonstrated that from birth to day 90, <em>ghrelin</em> mRNA level was significantly higher in Kazak than in Xinjiang (<em>P</em><0.01).</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 808-813"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60114-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26256802","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}
{"title":"Progress in Plant CACTA Elements","authors":"TIAN Ping-Fang","doi":"10.1016/S0379-4172(06)60109-1","DOIUrl":"10.1016/S0379-4172(06)60109-1","url":null,"abstract":"<div><p>Transposable elements are DNA fragments that can insert new chromosomal locations. On the basis of the mechanism of transposition, transposable elements were divided into two classes. Class 1 elements were retroelements that used reverse transposase to transpose by an RNA intermediate. Class 2 elements or DNA transposons transposed directly from DNA to DNA. Of the Class 2 elements, CACTA superfamily, so far identified exclusively in plants and previously regarded as low-copy-transposon for the conserved mechanism of propagation, recently received considerable interest because of their increasing evidence reiterating their high copies in some plant genomes. This article aimed at outlining CACTA elements with regard to their structure, transposition, and utilization.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 765-774"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60109-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26315240","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}
QIU Sheng-Ping, HUANG Ji, PAN Li-Juan, WANG Mei-Mei, ZHANG Hong-Sheng
{"title":"Salt Induces Expression of RH3.2A, Encoding an H3.2-type Histone H3 Protein in Rice (Oryza sativa L.)","authors":"QIU Sheng-Ping, HUANG Ji, PAN Li-Juan, WANG Mei-Mei, ZHANG Hong-Sheng","doi":"10.1016/S0379-4172(06)60117-0","DOIUrl":"10.1016/S0379-4172(06)60117-0","url":null,"abstract":"<div><p>Histone H3 is one of the four histones, along with H2A, H2B, and H4, which form the eukaryotic nucleosome octamer core. In this study, a new gene <em>RH3.2A</em> encoding an H3.2-type histone H3 protein from rice (<em>Oryza sativa</em> L.) was reported. <em>RH3.2A</em> was cloned through RT-PCR from salt-treated rice seedlings. This gene encoded a protein of 136 amino acid residues that were similar to some plant histone H3 proteins reported previously. However, the cDNA sequence of <em>RH3.2A</em> and other rice H3 genes were different. Alignment of <em>RH3.2A</em> encoding protein with other plant histone H3 proteins revealed that three amino acid residues (32, 88, and 91) were markedly different between H3.1-type and H3.2-type proteins. The mRNA expression analysis of <em>RH3.2A</em> revealed that <em>RH3.2A</em> gene was upregulated by salt stress in rice roots and ABA treatment in seedlings. The potential role of <em>RH3.2A</em> during salt stress was discussed.</p></div>","PeriodicalId":100017,"journal":{"name":"Acta Genetica Sinica","volume":"33 9","pages":"Pages 833-840"},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0379-4172(06)60117-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26256805","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}