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1,598 results for “genetic diversity”
Data from: Genetic diversity and population structure of wild/weedy eggplant (Solanum insanum L., Solanaceae) in southern India: implications for conservation
[No abstract entered]
Genetic diversity and evolutionary patterns of Taraxacum kok-saghyz Rodin
<p><i><span>Taraxacum kok-saghyz</span></i> Rodin (TKS) is an important potential alternative source of natural inulin and rubber production, which has great significance for the production of industrial products. In this study, we sequenced 58 wild TKS individuals collected from four different geography regions worldwide to elucidate the population structure, genetic diversity and the patterns of evolution. Also, the first flowering time, crown diameter, morphological characteristics of leaf and scape of all TKS individuals were measured and evaluated statistically. Phylogenetic analysis based on SNPs and cluster analysis based on agronomic traits showed that all 58 TKS individuals could be roughly divided into three distinct groups: I) Zhaosu county in Xinjiang (population AB, including a few individuals from population C and D); II) Tekes county in Xinjiang (population C); and III) Tuzkol lake in Kazakhstan (population D). Population D exhibited a closer genetic relationship with population C compared to population AB. Genetic diversity analysis further revealed that population expansion from C and D to AB occurred, as well as gene flow between them. Additionally, some natural selection regions were identified in AB population. Function annotation of candidate genes identified in these regions revealed that they mainly participated in biological regulation processes, such as transporter activity, structural molecule activity and molecular function regulator. We speculated that the genes identified in selective sweep regions may contributed to TKS adaptation to the Yili River Valley of Xinjiang. In general, this study provides new insights in clarifying population structure and genetic diversity analysis of TKS using SNP molecular markers and agronomic traits.</p>
FIGURE 3. UPGMA dendrogram 33 in Analysis of genetic diversity among five closely related species used as 'Xihuangcao' herbs using ISSR and SCoT molecular markers
FIGURE 3. UPGMA dendrogram 33 populations of 'Xihuangcao' based on SCoT.
FIGURE 4 in Analysis of genetic diversity among five closely related species used as 'Xihuangcao' herbs using ISSR and SCoT molecular markers
FIGURE 4. Principal coordinate analysis of 33 populations of 'Xihuangcao' based on SCoT.
FIGURE 2 in Analysis of genetic diversity among five closely related species used as 'Xihuangcao' herbs using ISSR and SCoT molecular markers
FIGURE 2. Principal coordinate analysis of 33 populations of 'Xihuangcao' based on ISSR.
Museomics contributes to the spatiotemporal assessment of genetic diversity and structure in wild and ex situ conservation organisms: a case study of three endangered coastal plants in Japan
<p><span>Understanding </span><span>the extent to which </span><span>genetic diversity of wild populations in ex</span> <span>situ</span><span> conservation can be retained is </span><span>crucial</span><span> for the management of </span><span>such</span><span> populations. Wild individuals collected in the target area in the past </span><span>and</span><span> present can be used to estimate the number of alleles lost over time in wild populations and</span><span> thereby</span><span> the number of alleles whose loss could be </span><span>prevented</span><span> by ex</span> <span>situ</span><span> conservation. </span><span>Here</span><span>, we assessed the genetic diversity of wild and ex</span> <span>situ</span><span> conservation populations of three endangered coastal herb species</span><span>,</span><span> <em>Cirsium maritimum</em> Makino (Asteraceae), <em>Linaria japonica</em> Miq. (Plantaginaceae</span><span>) and</span><span> <em>Suaeda glauca</em></span><span><em> </em>(Bunge) Bunge (Amaranthaceae), which are endangered </span><span>species on</span><span> Awaji Island, Hyogo Prefecture, Japan, via multiplexed inter-simple sequence repeat genotyping by sequencing (MIG-seq). We </span><span>incorporated</span><span> the museomics approach, which </span><span>involves conducting</span><span> genetic analyses of museum specimens collected from the targeted wild populations in the past to estimate the temporal transition of genetic diversity in wild populations and the number of alleles maintai</span><span>ned in <em>ex situ</em></span><span> conservation. </span><span>Our </span><span>results </span><span>reveal</span><span> a declining trend in genetic diversity in the wild populations of all </span><span>investigated</span><span> species, although </span><span>this trend is </span><span>not significant. In all the species, </span><span>numerous</span><span> alleles were already lost in current wild populations, </span><span>whereas they</span><span> were </span><span>present</span><span> in the past wild and ex</span> <span>situ</span><span> conservation populations. Our study </span><span>indicates</span><span> that extinct alleles in current wild populations have been maintained in ex</span> <span>situ</span><span> conservation</span><span> by museomics approach. These </span><span>appro</span><span>aches </span><span>were effective in verifying</span><span> the genetic diversity retention effects of <em>ex</em></span><em> <span>situ</span></em><span> conservation populations.</span></p>
Supplementary material 1 from: Rezić A, Safner T, Iacolina L, Bužan E, Šprem N (2022) Traces of past reintroduction in genetic diversity: The case of the Balkan chamois (Mammalia, Artiodactyla). ZooKeys 1116: 57-70. https://doi.org/10.3897/zookeys.1116.84577
Tables and figures
Figure 9 from: Cezar AM, Pessoa LM, Bonvicino CR (2017) Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae). Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e14881
Figure 9 - The Bayesian and Maximum Likelihood analyses for MT-CYB of Callithrix, rooted by Saguinus. Numbers close to branches are boostrap values and posterior probability, respectively.
Figures 1-4 from: Cezar AM, Pessoa LM, Bonvicino CR (2017) Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae). Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e14881
Figures 1-4 Qualitative character differentiating Callithrix jacchus (1–2) from C. penicillata (3–4): presence/absence of a space in the upper jaw after the second molar, indicated by arrows.
Figures 7-8 from: Cezar AM, Pessoa LM, Bonvicino CR (2017) Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae). Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e14881
Figures 7-8 DFA analysis results. (7) Scatter plot of scores for discriminant function 1 x 2. Three distinguishable groups characterize the species and hybrids analyzed: (+) Callithrix penicillata, (Δ) C. jacchus, and (○) hybrids. (8) Contribution of morphometric variables to the discriminant functions. Vectors indicate the loadings of the scores for each variable on the first two discriminant functions.
Figures 5-6 from: Cezar AM, Pessoa LM, Bonvicino CR (2017) Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae). Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e14881
Figures 5-6 PCA analysis results. (5) Scatter plot of scores for principal component 1 x 2. Black circles represent Callithrix penicillata, white circles represent C. jacchus and grey circles represent hybrids. (6) Contribution of morphometric variables to the principal components. Vectors indicate the loadings of the scores for each variable on the first two principal components.
Figure 10 from: Cezar AM, Pessoa LM, Bonvicino CR (2017) Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae). Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e14881
Figure 10 - Haplotype network of MT-CYB sequences for Callithrix penicillata and Callithrix hybrids. Circles represent distinct haplotypes. White circles represent C. penicillata, black circles represent hybrids from the MR, and gray circles represent hybrids from the CL. The size of each circle is proportional to the number of individuals per haplotype, with the smallest circle corresponding to n = 1. The lozenge represents the medium-vector. Numbers near lines between haplotypes represent the number of mutations.
Figure 3 in Reduced genetic diversity and the success of the invasive peacock bass (Cichliformes: Cichlidae)
Figure 3. Bayesian consensus tree reconstructed based on sequences of Cichla individuals from the submiddle stretch of São Francisco River and reference sequences for COI. Haplotype network using median-joining method. Circles represent haplotypes and diameter represents frequency of haplotype.
Fig. 1 in Haplotype variation in the Physa acuta group (Basommatophora): genetic diversity and distribution in Serbia Abstract
Fig. 1: Distribution of P. acuta group in Canada, North America, Mexico and Cuba (A), Europe (B) and Serbia (C). Distribution of P. acuta in North and Central America (white circles) was compiled from the data of Wethington et al. (2009), Wethington & Guralnick (2004) and Kraus et al. (2014). The European (white circles) range is based on Wethington & Lydeard (2007), data and distribution in Serbia is based on Novaković (2014, black circles), and on our field sampling data (white circles).
Fig. 3 in Testing The Microsatellites-Pcr Markers For Genetic Diversity Research Of Alien Ponto-Caspian Amphipod Pontogammarus Robustoides G. O. Sars, 1894
Fig. 3. Microsatellites amplification of Pontogammarus robustoides from Pļaviņas Reservoir used primer Gapu-17.
Sequencing of historical plastid genomes reveal exceptional genetic diversity in rye before the start of systematic breeding
<p>The files found in this repository are sequencing files of historical rye samples used for generating the analyses presented in the Komluski et al. manuscript. The metadata.csv contains sampling sites and taxon information for the respective sequence file.</p>
Complete genomes of Asgard archaea reveal diverse integrated and mobile genetic elements
Open the record for dataset details and reuse information.
Fig. 2 in Grouping and genetic diversity of different watermelon ecotypes based on agro-morphological traits and ISSR marker
Fig. 2. Grouping the watermelon ecotypes based on ISSR marker. The symbols for the ecotypes are presented in Table 1.
Fig. 1 in Analysis of propagule pressure and genetic diversity in the invasibility of a freshwater apex predator: the peacock bass (genus Cichla)
Fig. 1. River basins in eastern and northern Brazil showing sample sites and genetic parameters of native and introduced populations: Allelic richness (RA), Nei's genetic diversity (HE), Number of private alleles (NPA) and percentage of polymorphic loci. Samples sites: TRM - Três Marias reservoir and ML - Marginal Lake (both in the São Francisco River); ITU - Itumbiara reservoir (Paraná River - upper Paraná River basin); RD - Rio Doce (Dom Helvécio Lake - Doce basin); FU - Furnas reservoir (Grande River - upper Paraná River basin); TO - Tucuruí reservoir (Tocantins River - Amazon basin).
Fig. 4 in Preliminary Studies On The Genetic Diversity Of An Endemic And Endangered Species Saussurea Esthonica Baer Ex Rupr. In Latvia
Fig. 4 Phylogenetic tree based on AFLP data using the Neighbour-Joining algorithm with Nei's genetic distance.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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