Objective:Interleukin-1(IL-1)is a pro-inflammatory cytokine which may be related to urolithiasis.Genetic polymorphisms of the interleukin-1beta(IL-1β)have been proposed as markers for urolithiasis in some areas.Due t...Objective:Interleukin-1(IL-1)is a pro-inflammatory cytokine which may be related to urolithiasis.Genetic polymorphisms of the interleukin-1beta(IL-1β)have been proposed as markers for urolithiasis in some areas.Due to the high incidence of urolithiasis in Uighur children(Xinjiang,China)and existence of ethnic difference,our aim is to explore the potential of IL-1 gene polymorphisms and urolithiasis among these children.Methods:Genomic DNA extracted from peripheral blood of 115 patients and 98 controls were used for genotype polymorphisms analyses.IL-1 receptor antagonist(IL-1RN)gene variable number of tandem repeat(VNTR)gene polymorphisms were analyzed by PCR method.PCR-based restriction analysis was done for the IL-1β(-511)and IL-1β(+3954)gene polymorphisms by endonucleases Ava I and Taq I,respectively.The genotype distribution,allele frequencies,carriage rate,and haplotype frequencies were statistically analyzed.Results:No significant differences were observed in genotypic frequencies between pediatric urolithiasis patients and control group for IL-1RN gene(χ^(2)=1.906,p=0.605),IL-1β(-511)gene(χ^(2)=0.105,p=0.949),or IL-1β(+3954)gene(χ^(2)=3.635,p=0.169).There were yet no significant differences of the allele frequencies of IL-1RN VNTR gene(p=0.779),IL-1β(-511)gene(p=0.941),and IL-1β(+3954)gene(p=0.418)in the case and control groups,as well as the carriage rate and haplotype of them(all p>0.05).Conclusions:The associations between IL-1RN VNTR,IL-1β(-511)and IL-1β(+3954)genes polymorphisms and urolithiasis were not significant in Uighur children.The results need to be confirmed in studies with larger population sample size,as well as in other ethnic groups.展开更多
Summary: Wilson disease (WD) is an autosomal recessive disorder of copper metabolism. To establish an efficient, accurate and fast diagnostic method for carrier detection and presymptomatic identification of WD in Chi...Summary: Wilson disease (WD) is an autosomal recessive disorder of copper metabolism. To establish an efficient, accurate and fast diagnostic method for carrier detection and presymptomatic identification of WD in Chinese population, we studied haplotypes of short tandem repeat (STR) polymorphisms flanking the WD gene in 40 Chinese WD families. The results suggested that this genetic diagnosis system based on the four STR polymorphisms is of high value for the detection of potential carriers and WD homozygotes in families with at least one previously affected child. It is an efficient, accurate and fast diagnostic method that can be well suited for routine use in clinical laboratories.展开更多
A simple method for constructing polymerized genes using only restriction enzymes and commercially available cloning systems was established. In this system, gel isolations or purifications of target genes after restr...A simple method for constructing polymerized genes using only restriction enzymes and commercially available cloning systems was established. In this system, gel isolations or purifications of target genes after restriction enzyme digestions or PCR amplifications, which often cause errors and mutations in the target gene sequence, are not necessary. To verify the usefulness of this method, one, two, four, eight, and sixteen tandem-repeats of the Green Fluorescent Protein (GFP) expression gene in Escherichia coli were sequentially constructed. Efficacies of the GFP gene expression of those plasmids in E. coli showed an increasing trend in accordance with the copy numbers of the gene. On SDS polyacrylamide gel electrophoresis with Coomassie blue staining, no expressed protein could be seen in E. coli cells harboring plasmids that contained one or two copies of the gene. However, expressed protein bands in E. coli cells were clearly detected with 4 copies of the gene. In quantitative analyses involving green fluorescence intensities per culture volume, the expression level in E. coli with 16 copies of the gene was 36.3-fold higher than that in E. coli with one copy at 22 hours after induction.展开更多
Objectives To explore the relationship between the polymorphisms of the selected short tandem repeats (STRs) of the candidate genes and type 2 diabetes mellitus (DM) in a Chinese population,the role of genetic and env...Objectives To explore the relationship between the polymorphisms of the selected short tandem repeats (STRs) of the candidate genes and type 2 diabetes mellitus (DM) in a Chinese population,the role of genetic and environmental factors in the development of type 2 diabetes. Methods STRs including D11S916 of uncoupling protein 3 (UCP3) gene,binucleotide repeat (CA)n within intron 6 [HSLi6(CA)] of hormone-sensitive lipase(HSL)gene and D20S501 of protein tyrosine phosphatase-1B (PTP-1B)gene polymorphisms were detected, by poiymerase chain reaction(PCR) ,poly-acrylamide gel electrophoresis and silver staining in 106 patients with type 2 DM and 102 control subjects. Results The allele distribution of UCP3 and HSL gene differed significantly between patients with type 2 diabetes and control subjects (X2 = 26. 12,P<0. 005; X2 = 10. 33,P<0. 005,respectively). For UCP3 and HSL gene,the frequencies of alleles A6,A7,A8 and allele B9 were much higher in diabetic patients than in control subjects (0. 090 vs 0. 020,P<0. 005; 0. 109 vs 0. 015,P <0. 005; 0. 033 vs 0. 000,P<0. 05; 0. 033 vs 0. 005,P<0. 05,respectively),while the frequencies of allele A1 and allele B5 were lower in diabetic patients than in control subjects (0. 090 vs 0. 206,P<0. 005; 0. 057 vs 0. 118,P<0. 05,respectively). At D20S501 locus,The allele distribution of PTP-1B gene had no significant difference in two groups (X2 = 3. 77, P>0. 05). Multi-variate logistic regression analysis showed positive correlation between alleles A6,A7 of UCP3 gene,systolic blood pressure, apolipoprotein B, lipoprotein (a) and type 2 diabetes. Conclusion Our data show that D11S916 of UCP3 gene and HSLi6(CA) of HSL gene polymorphisms are associated with type 2 diabetes in Chinese suggesting that UCP3 and HSL might represent susceptibility genes for type 2 diabetes. D20S501 of PTP-IB gem polymorphism is not associated with type 2 diabetes in Chinese. Alleles A6, A7 of UCP3 gene, systolic blood pressure, apolipoprotein B,Upoprotein (a) may play some role in the development of type 2 diabetes.展开更多
Objective: To observe the distribution pattern of genetic polymorphisms of gene variable number tandem repeat (VNTR) in the deleted gene in colorectal cancer (DCC) on Shaanxi people, and discuss the possible associati...Objective: To observe the distribution pattern of genetic polymorphisms of gene variable number tandem repeat (VNTR) in the deleted gene in colorectal cancer (DCC) on Shaanxi people, and discuss the possible association between it and the susceptibility of esophageal cancer. Methods: Polymorphisms of DCC gene VNTR was studied with PCR in blood samples of 56 unrelated individuals and 49 esophageal cancer samples and 34 pericancerous samples in Shaanxi people. Results: There were 11 alleies wing from 167 bp to 210 bp in all subjects. The range of allele frequencies was from 0.009 to 0. 188, and allele A3, A4, A7 and A9 were more frequent in the control. The polymorphism information content(PIC) of DCC gene VNTR was 0.879,the heterozygosity(H) was 73.2% in the control. The allele frequency of DCC gene VNTR polymorphism in esophageal cancer was significantly different from that of control(P < 0. 01 ). Conclusion: Our findings suggest that polymorphism of DCC gene VNTR might be associated with the susceptibility of esophageal cancer.展开更多
Background： Medullary cystic kidney disease （MCKD） is clinically indistinguishable from several other autosomal-dominant renal diseases： thus, molecular genetic testing is needed to establish a definitive diagnosi...Background： Medullary cystic kidney disease （MCKD） is clinically indistinguishable from several other autosomal-dominant renal diseases： thus, molecular genetic testing is needed to establish a definitive diagnosis. A specific type of single cytosine insertion in the variable number tandem repeat （VNTR） of the mucin 1 （MUC1） gene is the only known cause of MCKD1; however, genetic analysis of this mutation is difficult and not yet offered routinely. To identify the causative mutation/s and establish a definitive diagnosis in a Chinese family with chronic kidney disease, clinical assessments and genetic analysis were performed, including using a modified genotyping method to identify the MUC1-VNTR single cytosine insertion. Methods： Clinical data from three patients in a Chinese family with chronic kidney disease were collected and evaluated. Linkage analysis was used to map the causative locus. Mutation analysis of uromodulin （UMOD） gene was performed using polymerase chain reaction （PCR） and direct sequencing. For MUC1 genotyping, the mutant repeat units were enriched by Mwol restriction, and then were amplified and introduced into pMD-18T vectors. The 192 clones per transformant were picked up and tested by colony PCR and second round of Mwol digestion. Finally, Sanger sequencing was used to confirm the MUC1 mutation. Results： Clinical findings and laboratory results were consistent with a tubulointerstitial lesion. Linkage analysis indicated that the family was compatible with the MCKDI locus. No mutations were found in UMOD gene. Using the modified MUC1 genotyping method, we detected the MUC1-VNTR single cytosine insertion events in three patients of the family; and mutation-containing clones were 12/192, 14/192, and 5/96, respectively, in the three patients. Conclusions： Clinical and genetic findings could support the MCKDI diagnosis. The modified strategy has been demonstrated to be a practical way to detect MUCI mutation.展开更多
目的:初步了解江苏省结核分枝杆菌临床分离菌株的数目可变串联重复序列(Variable number of tandem repeats,VNTR)的基因型及VNTR基因分布特征。方法:在苏南、苏中、苏北三个地区13个结核病定点诊疗单位收集临床分离菌株。选取结核分枝...目的:初步了解江苏省结核分枝杆菌临床分离菌株的数目可变串联重复序列(Variable number of tandem repeats,VNTR)的基因型及VNTR基因分布特征。方法:在苏南、苏中、苏北三个地区13个结核病定点诊疗单位收集临床分离菌株。选取结核分枝杆菌基因组中11个具有明显多态性特征的VNTR位点,通过PCR扩增,2%琼脂糖凝胶电泳和Bio Numerics(Version 3.0)软件进行结核菌株VNTR的多态性和聚类分析。结果:共收集到168株结核分枝杆菌。不同的菌株在同一位点上具有多态性。共分为10个基因型(Ⅰ,Ⅱ～Ⅹ型),其中以Ⅷ型为主要基因型,占75.0%、其次为Ⅱ型5.4%、Ⅳ型4.2%、Ⅶ型9.5%。不同地区之间,苏南、苏中、苏北三个地区也都以Ⅷ型为主要基因型,分别占各地区的83.5%,57.1%,76.6%;但是苏南、苏中、苏北三地的Ⅱ、Ⅲ、Ⅳ、Ⅶ型菌株分布在各地菌株中的比例有差异显著性((2=54.710,P<0.0001),Ⅱ型以苏中为主(11.9%)、Ⅲ型以苏南为主(3.8%)、Ⅳ型以苏南、苏北为主(5.1%与6.4%)、Ⅶ型以苏中为主(31.0%)。结论:江苏省的结核分枝杆菌具有明显的多态性,以Ⅷ型为主要流行型,不同地区间同样以Ⅷ型为主要流行型,但菌型分布存在一定的差异。展开更多
对亲子鉴定常用的ABI公司Indentifiler荧光标记复合扩增试剂盒中的15个短串联重复序列及D14S306、D16S3391、D5S2500、D12S391、D13S796、D1S518位点的突变现象进行研究.在1013例认定亲子关系案例中,对发现有一个基因位点发生突变的案...对亲子鉴定常用的ABI公司Indentifiler荧光标记复合扩增试剂盒中的15个短串联重复序列及D14S306、D16S3391、D5S2500、D12S391、D13S796、D1S518位点的突变现象进行研究.在1013例认定亲子关系案例中,对发现有一个基因位点发生突变的案例增加8个常染色体STR(short tandem repeat)基因座检测,使其父权相对机会(RCP)大于99.999%以上,并对突变位点进行测序.在1013例认定亲子关系案例中,发现11例有一个基因位点发生突变,8次突变事件为父源性突变,突变位点包括vWA、FGA、D14S306、D13S317、D21S11、CSFIPO、D16S3391;其余3例突变来源不明,包括FGA、D13S796、D3S1358.以vWA和FGA的突变率最高,为0.15%,平均突变率为(0.09±0.370×10-3)%.本鉴定所常用的21个基因座,突变率低,具有较高的推广价值.展开更多
为了解广西融水苗族人群无关个体的3个短串联重复序列(short tandem repeat,STR):HUMCSF1PO,HUMTPOX,HUMTH01遗传多态性分布情况,本文用枸橼酸钠抗凝法采集血样,酚—氯仿抽提法提取DNA,应用复合扩增技术对血样DNA的3个STR基因座进行扩...为了解广西融水苗族人群无关个体的3个短串联重复序列(short tandem repeat,STR):HUMCSF1PO,HUMTPOX,HUMTH01遗传多态性分布情况,本文用枸橼酸钠抗凝法采集血样,酚—氯仿抽提法提取DNA,应用复合扩增技术对血样DNA的3个STR基因座进行扩增和检测。结果显示:在三个STR位点共检测出19种等位基因,48种基因型,频率分布分别在0.0024—0.4663和0.0048—0.3173之间;基因型的分布符合Hardy-Weinberg平衡定律(P>0.05)。计算种族、民族之间的遗传距离,并对之进行比较得出:广西融水苗族与美国高加索人及美国非洲人存在显著差异,且与美国非洲人之间的差异大于与美国高加索人之间的差异;广西融水苗族与广西侗族的关系近于与其他少数民族的关系。展开更多
基金This work was supported by the Natural Science Foundation of Guangdong Province,China(No.2019A1515010891).
文摘Objective:Interleukin-1(IL-1)is a pro-inflammatory cytokine which may be related to urolithiasis.Genetic polymorphisms of the interleukin-1beta(IL-1β)have been proposed as markers for urolithiasis in some areas.Due to the high incidence of urolithiasis in Uighur children(Xinjiang,China)and existence of ethnic difference,our aim is to explore the potential of IL-1 gene polymorphisms and urolithiasis among these children.Methods:Genomic DNA extracted from peripheral blood of 115 patients and 98 controls were used for genotype polymorphisms analyses.IL-1 receptor antagonist(IL-1RN)gene variable number of tandem repeat(VNTR)gene polymorphisms were analyzed by PCR method.PCR-based restriction analysis was done for the IL-1β(-511)and IL-1β(+3954)gene polymorphisms by endonucleases Ava I and Taq I,respectively.The genotype distribution,allele frequencies,carriage rate,and haplotype frequencies were statistically analyzed.Results:No significant differences were observed in genotypic frequencies between pediatric urolithiasis patients and control group for IL-1RN gene(χ^(2)=1.906,p=0.605),IL-1β(-511)gene(χ^(2)=0.105,p=0.949),or IL-1β(+3954)gene(χ^(2)=3.635,p=0.169).There were yet no significant differences of the allele frequencies of IL-1RN VNTR gene(p=0.779),IL-1β(-511)gene(p=0.941),and IL-1β(+3954)gene(p=0.418)in the case and control groups,as well as the carriage rate and haplotype of them(all p>0.05).Conclusions:The associations between IL-1RN VNTR,IL-1β(-511)and IL-1β(+3954)genes polymorphisms and urolithiasis were not significant in Uighur children.The results need to be confirmed in studies with larger population sample size,as well as in other ethnic groups.
文摘Summary: Wilson disease (WD) is an autosomal recessive disorder of copper metabolism. To establish an efficient, accurate and fast diagnostic method for carrier detection and presymptomatic identification of WD in Chinese population, we studied haplotypes of short tandem repeat (STR) polymorphisms flanking the WD gene in 40 Chinese WD families. The results suggested that this genetic diagnosis system based on the four STR polymorphisms is of high value for the detection of potential carriers and WD homozygotes in families with at least one previously affected child. It is an efficient, accurate and fast diagnostic method that can be well suited for routine use in clinical laboratories.
文摘A simple method for constructing polymerized genes using only restriction enzymes and commercially available cloning systems was established. In this system, gel isolations or purifications of target genes after restriction enzyme digestions or PCR amplifications, which often cause errors and mutations in the target gene sequence, are not necessary. To verify the usefulness of this method, one, two, four, eight, and sixteen tandem-repeats of the Green Fluorescent Protein (GFP) expression gene in Escherichia coli were sequentially constructed. Efficacies of the GFP gene expression of those plasmids in E. coli showed an increasing trend in accordance with the copy numbers of the gene. On SDS polyacrylamide gel electrophoresis with Coomassie blue staining, no expressed protein could be seen in E. coli cells harboring plasmids that contained one or two copies of the gene. However, expressed protein bands in E. coli cells were clearly detected with 4 copies of the gene. In quantitative analyses involving green fluorescence intensities per culture volume, the expression level in E. coli with 16 copies of the gene was 36.3-fold higher than that in E. coli with one copy at 22 hours after induction.
基金Supported by a grant from the National Science Foundation of China(39500072)and National Science Foundation of Education Committee of Jiangsu Province(99KJB320002)
文摘Objectives To explore the relationship between the polymorphisms of the selected short tandem repeats (STRs) of the candidate genes and type 2 diabetes mellitus (DM) in a Chinese population,the role of genetic and environmental factors in the development of type 2 diabetes. Methods STRs including D11S916 of uncoupling protein 3 (UCP3) gene,binucleotide repeat (CA)n within intron 6 [HSLi6(CA)] of hormone-sensitive lipase(HSL)gene and D20S501 of protein tyrosine phosphatase-1B (PTP-1B)gene polymorphisms were detected, by poiymerase chain reaction(PCR) ,poly-acrylamide gel electrophoresis and silver staining in 106 patients with type 2 DM and 102 control subjects. Results The allele distribution of UCP3 and HSL gene differed significantly between patients with type 2 diabetes and control subjects (X2 = 26. 12,P<0. 005; X2 = 10. 33,P<0. 005,respectively). For UCP3 and HSL gene,the frequencies of alleles A6,A7,A8 and allele B9 were much higher in diabetic patients than in control subjects (0. 090 vs 0. 020,P<0. 005; 0. 109 vs 0. 015,P <0. 005; 0. 033 vs 0. 000,P<0. 05; 0. 033 vs 0. 005,P<0. 05,respectively),while the frequencies of allele A1 and allele B5 were lower in diabetic patients than in control subjects (0. 090 vs 0. 206,P<0. 005; 0. 057 vs 0. 118,P<0. 05,respectively). At D20S501 locus,The allele distribution of PTP-1B gene had no significant difference in two groups (X2 = 3. 77, P>0. 05). Multi-variate logistic regression analysis showed positive correlation between alleles A6,A7 of UCP3 gene,systolic blood pressure, apolipoprotein B, lipoprotein (a) and type 2 diabetes. Conclusion Our data show that D11S916 of UCP3 gene and HSLi6(CA) of HSL gene polymorphisms are associated with type 2 diabetes in Chinese suggesting that UCP3 and HSL might represent susceptibility genes for type 2 diabetes. D20S501 of PTP-IB gem polymorphism is not associated with type 2 diabetes in Chinese. Alleles A6, A7 of UCP3 gene, systolic blood pressure, apolipoprotein B,Upoprotein (a) may play some role in the development of type 2 diabetes.
基金Supped by National Natural Science Foundation of China, No.39600126
文摘Objective: To observe the distribution pattern of genetic polymorphisms of gene variable number tandem repeat (VNTR) in the deleted gene in colorectal cancer (DCC) on Shaanxi people, and discuss the possible association between it and the susceptibility of esophageal cancer. Methods: Polymorphisms of DCC gene VNTR was studied with PCR in blood samples of 56 unrelated individuals and 49 esophageal cancer samples and 34 pericancerous samples in Shaanxi people. Results: There were 11 alleies wing from 167 bp to 210 bp in all subjects. The range of allele frequencies was from 0.009 to 0. 188, and allele A3, A4, A7 and A9 were more frequent in the control. The polymorphism information content(PIC) of DCC gene VNTR was 0.879,the heterozygosity(H) was 73.2% in the control. The allele frequency of DCC gene VNTR polymorphism in esophageal cancer was significantly different from that of control(P < 0. 01 ). Conclusion: Our findings suggest that polymorphism of DCC gene VNTR might be associated with the susceptibility of esophageal cancer.
文摘Background： Medullary cystic kidney disease （MCKD） is clinically indistinguishable from several other autosomal-dominant renal diseases： thus, molecular genetic testing is needed to establish a definitive diagnosis. A specific type of single cytosine insertion in the variable number tandem repeat （VNTR） of the mucin 1 （MUC1） gene is the only known cause of MCKD1; however, genetic analysis of this mutation is difficult and not yet offered routinely. To identify the causative mutation/s and establish a definitive diagnosis in a Chinese family with chronic kidney disease, clinical assessments and genetic analysis were performed, including using a modified genotyping method to identify the MUC1-VNTR single cytosine insertion. Methods： Clinical data from three patients in a Chinese family with chronic kidney disease were collected and evaluated. Linkage analysis was used to map the causative locus. Mutation analysis of uromodulin （UMOD） gene was performed using polymerase chain reaction （PCR） and direct sequencing. For MUC1 genotyping, the mutant repeat units were enriched by Mwol restriction, and then were amplified and introduced into pMD-18T vectors. The 192 clones per transformant were picked up and tested by colony PCR and second round of Mwol digestion. Finally, Sanger sequencing was used to confirm the MUC1 mutation. Results： Clinical findings and laboratory results were consistent with a tubulointerstitial lesion. Linkage analysis indicated that the family was compatible with the MCKDI locus. No mutations were found in UMOD gene. Using the modified MUC1 genotyping method, we detected the MUC1-VNTR single cytosine insertion events in three patients of the family; and mutation-containing clones were 12/192, 14/192, and 5/96, respectively, in the three patients. Conclusions： Clinical and genetic findings could support the MCKDI diagnosis. The modified strategy has been demonstrated to be a practical way to detect MUCI mutation.
文摘目的:初步了解江苏省结核分枝杆菌临床分离菌株的数目可变串联重复序列(Variable number of tandem repeats,VNTR)的基因型及VNTR基因分布特征。方法:在苏南、苏中、苏北三个地区13个结核病定点诊疗单位收集临床分离菌株。选取结核分枝杆菌基因组中11个具有明显多态性特征的VNTR位点,通过PCR扩增,2%琼脂糖凝胶电泳和Bio Numerics(Version 3.0)软件进行结核菌株VNTR的多态性和聚类分析。结果:共收集到168株结核分枝杆菌。不同的菌株在同一位点上具有多态性。共分为10个基因型(Ⅰ,Ⅱ～Ⅹ型),其中以Ⅷ型为主要基因型,占75.0%、其次为Ⅱ型5.4%、Ⅳ型4.2%、Ⅶ型9.5%。不同地区之间,苏南、苏中、苏北三个地区也都以Ⅷ型为主要基因型,分别占各地区的83.5%,57.1%,76.6%;但是苏南、苏中、苏北三地的Ⅱ、Ⅲ、Ⅳ、Ⅶ型菌株分布在各地菌株中的比例有差异显著性((2=54.710,P<0.0001),Ⅱ型以苏中为主(11.9%)、Ⅲ型以苏南为主(3.8%)、Ⅳ型以苏南、苏北为主(5.1%与6.4%)、Ⅶ型以苏中为主(31.0%)。结论:江苏省的结核分枝杆菌具有明显的多态性,以Ⅷ型为主要流行型,不同地区间同样以Ⅷ型为主要流行型,但菌型分布存在一定的差异。
文摘对亲子鉴定常用的ABI公司Indentifiler荧光标记复合扩增试剂盒中的15个短串联重复序列及D14S306、D16S3391、D5S2500、D12S391、D13S796、D1S518位点的突变现象进行研究.在1013例认定亲子关系案例中,对发现有一个基因位点发生突变的案例增加8个常染色体STR(short tandem repeat)基因座检测,使其父权相对机会(RCP)大于99.999%以上,并对突变位点进行测序.在1013例认定亲子关系案例中,发现11例有一个基因位点发生突变,8次突变事件为父源性突变,突变位点包括vWA、FGA、D14S306、D13S317、D21S11、CSFIPO、D16S3391;其余3例突变来源不明,包括FGA、D13S796、D3S1358.以vWA和FGA的突变率最高,为0.15%,平均突变率为(0.09±0.370×10-3)%.本鉴定所常用的21个基因座,突变率低,具有较高的推广价值.
文摘为了解广西融水苗族人群无关个体的3个短串联重复序列(short tandem repeat,STR):HUMCSF1PO,HUMTPOX,HUMTH01遗传多态性分布情况,本文用枸橼酸钠抗凝法采集血样,酚—氯仿抽提法提取DNA,应用复合扩增技术对血样DNA的3个STR基因座进行扩增和检测。结果显示:在三个STR位点共检测出19种等位基因,48种基因型,频率分布分别在0.0024—0.4663和0.0048—0.3173之间;基因型的分布符合Hardy-Weinberg平衡定律(P>0.05)。计算种族、民族之间的遗传距离,并对之进行比较得出:广西融水苗族与美国高加索人及美国非洲人存在显著差异,且与美国非洲人之间的差异大于与美国高加索人之间的差异;广西融水苗族与广西侗族的关系近于与其他少数民族的关系。
