Research Article

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Anthropization as a determinant factor in the genetic structure of Copernicia prunifera (Arecaceae).

Arecaceae; environment; Gene frequency; Genotype; Microsatellite Repeats; Phenotype; Polymorphism, Genetic; Selection, Genetic

This study uses ISSR molecular markers to characterize the demographic pattern, and spatial genetic structure (SGS) at different life stages of development (cohorts) in a natural population of Copernicia prunifera in the Rio Grande do Norte State, Brazil. All individuals were sampled and georeferenced in a 0.55-ha plot. The demographic analyses showed a clustered pattern in the first-distance ... more

L.G. Pinheiro; K.P.T. Chagas; A.S.M. Freire; M.C. Ferreira; C.G. Fajardo; F.A. Vieira
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Association between GSTM1, GSTT1, and GSTP1 polymorphisms and gastric cancer risk, and their interactions with environmental factors.

Alleles; environment; Gene-Environment Interaction; Genetic association studies; Genetic predisposition to disease; Genotype; Glutathione S-Transferase pi; Glutathione transferase; Humans; Polymorphism, Genetic; Stomach neoplasms

Glutathione S-transferase (GST) is an important member of phase II metabolic enzymes; GSTM1, GSTT1, and GSTP1 belong to three subfamilies of the GST enzyme. Polymorphisms in GSTM1, GSTT1, and GSTP1 could affect detoxification processes, and increase individuals' susceptibility to cancers. We aimed to investigate the association between GSTM1, GSTT1, and GSTP1 polymorphisms and the risk of ... more

Z.H. Chen; J.F. Xian; L.P. Luo
2/23/2017

Identification of Magnolia wufengensis (Magnoliaceae) cultivars using phenotypic traits, SSR and SRAP markers: insights into breeding and conservation.

Analysis of variance; Anthocyanins; China; Chromatography, High Pressure Liquid; cluster analysis; Color; Conservation of Natural Resources; Endangered species; Flowers; Genetic markers; Genetic variation; Magnolia; Microsatellite Repeats; Phenotype; Phylogeny; Pigmentation; Plant breeding; Species Specificity

A combination of phenotypic characterization and molecular markers may provide reliable information on new plant varieties and elucidate the conservation status of rare species. Five newly developed Magnolia wufengensis cultivars, an endangered plant species endemic to Hubei Province, China, possess more distinctive phenotypes than common Magnolia cultivars. With reference to a wild species ... more

L. Wang; A.H. Xiao; L.Y. Ma; F.J. Chen; Z.Y. Sang; J. Duan
3/08/2017

Establishment and application of molecular ID in the main inbred lines of Chinese cabbage.

Brassica; China; Chromosome Mapping; Chromosomes, Plant; DNA fingerprinting; DNA, Plant; Genetic markers; Genotype; Microsatellite Repeats; Plant breeding; Polymorphism, Genetic

Chinese cabbage is an important cruciferous vegetable in China. The differences in the morphology and other characteristics of the different varieties of Chinese cabbage are generally caused by their different genes. Using the simple sequence repeat (SSR) DNA molecular markers is an effective way to identify different genotypes. The identification of a genetic relationship is a key point in ... more

X.X. Zhang; X.B. Tang; Y. Liu; Y.W. Zhang
3/16/2017

Genetic diversity of mitochondrial control region (D-Loop) polymorphisms in Coilia ectenes taihuensis inhabiting Taihu Lake, China.

Animals; China; DNA, Mitochondrial; Evolution, Molecular; Fishes; Genetics, Population; Haplotypes; Lakes; Phylogeny; Polymorphism, Genetic

Coilia ectenes is a commercially important fishery species in China. C. ectenes taihuensis is an endemic and dominant species found in Taihu Lake of China. When compared with C. ectenes, C. ectenes taihuensis lacks anadromous behavior, and can independently grow and reproduce in Taihu Lake. In this study, the mitochondrial DNA control region (D-loop) sequences were employed to investigate the ... more

J.J. Zhang; J.R. Duan; Y.F. Zhou; J.Y. Peng; D.A. Fang
3/30/2017

Analysis of the 19 Y-STR and 16 X-STR loci system in the Han population of Shandong province, China.

Alleles; Amelogenin; Asian People; China; Chromosomes, Human, X; Chromosomes, Human, Y; DNA fingerprinting; Ethnicity; Female; Forensic genetics; Gene frequency; Genetics, Population; Haplotypes; Humans; male; Microsatellite Repeats; Paternity; Polymorphism, Genetic

The sex-linked short tandem repeats (STR), Y-STR and X-STR, are important for autosomal STRs in forensic paternity testing. We evaluated the forensic parameters of 19 Y-STRs and 16 X-STRs in the Han population of Shandong province, China. A Goldeneye 20Y kit (DYS391, DYS389I, DYS390, DYS389II, DYS348, DYS456, Y-GATA-H4, DYS447, DYS19, DYS392, DYS393, DYS388, DYS439, DYS635, DYS448, DYS460, ... more

H.M. Gao; C. Wang; S.Y. Han; S.H. Sun; D.J. Xiao; Y.S. Wang; C.T. Li; M.X. Zhang
3/15/2017

Population genetic analysis and conservation strategies for redtail shrimp Fenneropenaeus penicillatus using ten microsatellite markers.

Animal Distribution; Animals; Endangered species; Genetic Drift; Genetic Loci; Microsatellite Repeats; Penaeidae; Phylogeny; Polymorphism, Genetic

Fenneropenaeus penicillatus, which is on the Red List of Endangered Species for China, is an important shrimp species. However, there is not enough genetic information on F. penicillatus for conservation and management purposes. Ten microsatellite markers were used to analyze the genetic diversity, genetic differentiation, and population structure of F. penicillatus to provide scientific ... more

Y.Y. Cao; J.B. Shangguan; Z.B. Li
3/22/2017

Myrciaria dubia, an Amazonian fruit: population structure and its implications for germplasm conservation and genetic improvement.

Alleles; Brazil; Fruit; Genetic markers; Genetic variation; Microsatellite Repeats; Myrtaceae; Phylogeny; Plant breeding; Polymorphism, Genetic; Trees; Vitamin A

Myrciaria dubia (camu-camu) is an Amazon tree that produces a tart fruit with high vitamin C content. It is probably the fruit with the highest vitamin C content among all Brazilian fruit crops and it can be used to supplement daily vitamin C dose. This property has attracted the attention of consumers and, consequently, encouraged fruit farmers to produce it. In order to identify and select ... more

C.F. Nunes; T.A. Setotaw; M. Pasqual; E.A. Chagas; E.G. Santos; D.N. Santos; C.G.B. Lima; G.M.A. Cançado
3/30/2017

Characterization of maize genotypes for genetic diversity on the basis of inter simple sequence repeats.

Alleles; Crops, Agricultural; Gene frequency; Genetic markers; Genetic variation; Genotype; Microsatellite Repeats; Phylogeny; Plant breeding; Polymorphism, Genetic; Random Amplified Polymorphic DNA Technique; Zea mays

Genetic diversity in crops is essential to make improvements related to superior germplasms. Implementation of molecular markers to identify suitable genotypes speeds up the breeding progress by enhancing selection efficiency. This study was carried out to probe genetic diversity among 21 maize genotypes using 20 inter simple sequence repeat (ISSR) markers. We identified a total of 190 ... more

R.W. Muhammad; A. Qayyum; M.Q. Ahmad; A. Hamza; M. Yousaf; B. Ahmad; M. Younas; W. Malik; S. Liaqat; E. Noor
4/05/2017

Molecular diversity of Pakistani mango (Mangifera indica L.) varieties based on microsatellite markers.

DNA Primers; DNA, Plant; Genetic markers; Genetic variation; Mangifera; Microsatellite Repeats; Pakistan; Phylogeny; Plant breeding; Plant Leaves; Polymorphism, Genetic

Understanding the genetic diversity of different Pakistani mango varieties is important for germplasm management and varietal characterization. Microsatellites are efficient and highly polymorphic markers for comparative genome mapping, and were used in the present study to determine the genetic relatedness and variability among 15 indigenous mango cultivars (Mangifera indica L.). Overall, 181 ... more

T. Nazish; G. Shabbir; A. Ali; S. Sami-Ul-Allah; M. Naeem; M. Javed; S. Batool; H. Arshad; S.B. Hussain; K. Aslam; R. Seher; M. Tahir; M. Baber

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