Genetic diversity and structure among natural populations of Sindora glabra in Hainan Island, China as revealed by ISSR markers

2016 ◽  
Vol 69 ◽  
pp. 145-151 ◽  
Author(s):  
Jin-chang Yang ◽  
Qiong-Qiong Li ◽  
Niu Yu ◽  
Guang-tian Yin ◽  
Zhong-feng Wu ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Natural Populations ◽  
Hainan Island ◽  
Issr Markers ◽  
Genetic Diversity And Structure

scholarly journals Research Article Genetic diversity in natural populations of Stylosanthes scabra Fabaceae using ISSR markers

2019 ◽  
Vol 18 (2) ◽  
Author(s):  
J.C. Costa ◽  
G.G.M. Fracetto ◽  
F.J.C. Fracetto ◽  
T.C. Souza ◽  
M.V.F. Santos ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Natural Populations ◽  
Issr Markers ◽  
Research Article

scholarly journals Analysis of genetic population structure and diversity in Mallotus oblongifolius using ISSR and SRAP markers

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e7173 ◽  
Author(s):  
Wuping Yan ◽  
Juanling Li ◽  
Daojun Zheng ◽  
Cynthia Friedman ◽  
Huafeng Wang
Keyword(s):  
Genetic Diversity ◽  
Gene Flow ◽  
Hainan Island ◽  
Issr Markers ◽  
Adaptive Divergence ◽  
Group Method ◽  
Market Demand ◽  
Srap Markers ◽  
Clustering Model ◽  
Geographical Regions

Background Mallotus oblongifolius, an evergreen shrub endemic to Hainan Island, China, is important both medicinally and economically. Due to its special medicinal significance and the continuing rise of market demand, its populations in the wild have been subject to long-term illegal and unrestrained collection. Hence, an evaluation of genetic variability is essential for the conservation and genetic reserve development of this species. Methods Sequence-related amplified polymorphism (SRAP) and inter-simple sequence repeat (ISSR) markers were employed to assess the genetic diversity and genetic structure of 20 natural populations of M. oblongifolius growing in different eco-geographical regions of Hainan Island, China. Results We revealed a considerable genetic diversity (h = 0.336, I = 0.5057, SRAP markers; h = 0.3068, I = 0.4657, ISSR markers) and weak genetic differentiation (Gst = 0.2764 for SRAP, Gst = 0.2709 for ISSR) with the same gene flow (Nm = 1.3092 for SRAP, Nm = 1.346 for ISSR) among the M. oblongifolius populations. The Mantel Test showed that the distribution of genetic variation among populations could not be explained by the pronounced geographical distances (r = 0.01255, p = 0.5538). All results of the Unweighted Pair Group Method with Arithmetic Mean (UPGMA), Neighbor-joining (NJ), Principal Coordinate Analysis (PCoA) and Bayesian analyses supported a habitat-specific genetic clustering model for M. oblongifolius, indicating a local adaptive divergence for the studied populations. Discussion We suggested that the habitat fragmentation and specificity for M. oblongifolius populations weakened the natural gene flow and promoted an adaptation to special habitats, which was the main reason for local adaptive divergence among M. oblongifolius.

Genetic diversity in natural populations of Colossomamacropomum in the Brazilian Amazon region and in populations farmed in Northeast Brazil based on ISSR markers

2019 ◽  
Vol 27 (5) ◽  
pp. 1423-1434
Author(s):  
Claudivane de Sá Teles Oliveira ◽  
Ricardo Franco Cunha Moreira ◽  
Aldeney Andrade Soares Filho ◽  
Soraia Barreto Aguiar Fonteles ◽  
Norma Suely Evangelista-Barreto
Keyword(s):  
Genetic Diversity ◽  
Natural Populations ◽  
Brazilian Amazon ◽  
Issr Markers ◽  
Amazon Region ◽  
Northeast Brazil ◽  
Brazilian Amazon Region

scholarly journals Using Random Amplified Polymorphic DNA to Assess Genetic Diversity and Structure of NaturalCalophyllum brasiliense(Clusiaceae) Populations in Riparian Forests

2014 ◽  
Vol 2014 ◽  
pp. 1-8
Author(s):  
Evânia Galvão Mendonça ◽  
Anderson Marcos de Souza ◽  
Fábio de Almeida Vieira ◽  
Regiane Abjaud Estopa ◽  
Cristiane Aparecida Fioravante Reis ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Genetic Variability ◽  
Random Amplified Polymorphic Dna ◽  
Natural Populations ◽  
Rio Grande ◽  
Shannon Index ◽  
High Genetic Diversity ◽  
Family Structures ◽  
Genetic Diversity And Structure ◽  
Kinship Coefficients

The objective of this study was to assess the genetic variability in two natural populations ofCalophyllum brasilienselocated along two different rivers in the state of Minas Gerais, Brazil, using RAPD molecular markers. Eighty-two polymorphic fragments were amplified using 27 primers. The values obtained for Shannon index (I) were 0.513 and 0.530 for the populations located on the margins of the Rio Grande and Rio das Mortes, respectively, demonstrating the high genetic diversity in the studied populations. Nei’s genetic diversity (He) was 0.341 for the Rio Grande population and 0.357 for the Rio das Mortes population. These results were not significantly different between populations and suggest a large proportion of heterozygote individuals within both populations. AMOVA showed that 70.42% of the genetic variability is found within populations and 29.58% is found among populations (ФST=0.2958). The analysis of kinship coefficients detected the existence of family structures in both populations. Average kinship coefficients between neighboring individuals were 0.053 (P<0.001) in Rio das Mortes and 0.040 (P<0.001) in Rio Grande. This could be due to restricted pollen and seed dispersal and the history of anthropogenic disturbance in the area. These factors are likely to contribute to the relatedness observed among these genotypes.

Genetic diversity of natural populations of medicinally valuable plant Satureja khuzistanica Jamzad based on ISSR markers

2017 ◽  
Vol 40 (3) ◽  
pp. 771-781 ◽  
Author(s):  
Javad Hadian ◽  
Safiollah Raeisi ◽  
Ali Azizi ◽  
Maryam Pezhmanmehr ◽  
Ali Sarkhosh
Keyword(s):  
Genetic Diversity ◽  
Natural Populations ◽  
Issr Markers

Recent distribution changes affect geographic clines in genetic diversity and structure of Pinus densiflora natural populations in Japan

2013 ◽  
Vol 304 ◽  
pp. 407-416 ◽  
Author(s):  
Masakazu G. Iwaizumi ◽  
Yoshiaki Tsuda ◽  
Masato Ohtani ◽  
Yoshihiko Tsumura ◽  
Makoto Takahashi
Keyword(s):  
Genetic Diversity ◽  
Pinus Densiflora ◽  
Natural Populations ◽  
Genetic Diversity And Structure
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