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732 results for “population variation”
Supplementary material 5 from: Virgilio M, Delatte H, Nzogela YB, Simiand C, Quilici S, De Meyer M, Mwatawala M (2015) Population structure and cryptic genetic variation in the mango fruit fly, Ceratitis cosyra (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 525-538. https://doi.org/10.3897/zookeys.540.9618
Estimated null allele proportions:
Supplementary material 6 from: Virgilio M, Delatte H, Nzogela YB, Simiand C, Quilici S, De Meyer M, Mwatawala M (2015) Population structure and cryptic genetic variation in the mango fruit fly, Ceratitis cosyra (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 525-538. https://doi.org/10.3897/zookeys.540.9618
Linkage disequilibrium:
Supplementary material 4 from: Virgilio M, Delatte H, Nzogela YB, Simiand C, Quilici S, De Meyer M, Mwatawala M (2015) Population structure and cryptic genetic variation in the mango fruit fly, Ceratitis cosyra (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 525-538. https://doi.org/10.3897/zookeys.540.9618
Observed and expected heterozygosity:
Supplementary material 3 from: Virgilio M, Delatte H, Nzogela YB, Simiand C, Quilici S, De Meyer M, Mwatawala M (2015) Population structure and cryptic genetic variation in the mango fruit fly, Ceratitis cosyra (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 525-538. https://doi.org/10.3897/zookeys.540.9618
Pearson's Chi-squared test for Hardy-Weinberg equilibrium:
Supplementary material 2 from: Virgilio M, Delatte H, Nzogela YB, Simiand C, Quilici S, De Meyer M, Mwatawala M (2015) Population structure and cryptic genetic variation in the mango fruit fly, Ceratitis cosyra (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 525-538. https://doi.org/10.3897/zookeys.540.9618
Genotype accumulation curve:
Supplementary material 1 from: Virgilio M, Delatte H, Nzogela YB, Simiand C, Quilici S, De Meyer M, Mwatawala M (2015) Population structure and cryptic genetic variation in the mango fruit fly, Ceratitis cosyra (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 525-538. https://doi.org/10.3897/zookeys.540.9618
Map of sampling locations:
Figure 5 from: Rossa R, Goczał J, Pawliczek B, Ohbayashi N (2017) Morphological variation in Leptura annularis Fabr. 1801 (Coleoptera, Cerambycidae) among European and Asiatic populations. ZooKeys 724: 31-42. https://doi.org/10.3897/zookeys.724.20667
Figure 5 UPGMA similarity tree of hind wing shape of six Leptura annularis complex populations based on the Mahalanobis distance.
Figure 6 from: Rossa R, Goczał J, Pawliczek B, Ohbayashi N (2017) Morphological variation in Leptura annularis Fabr. 1801 (Coleoptera, Cerambycidae) among European and Asiatic populations. ZooKeys 724: 31-42. https://doi.org/10.3897/zookeys.724.20667
Figure 6 Differences in average hind wing shape between continental Leptura annularis complex morphotype (full line) and morphotype from Sakhalin Is. and Japan (dotted line). Differences were exaggerated four times to make them more visible. The position of the lines is a result of interpolation, which is less accurate at greater distances from the landmarks. The presented differences are difficult to discern without measurements.
Figure 4 from: Rossa R, Goczał J, Pawliczek B, Ohbayashi N (2017) Morphological variation in Leptura annularis Fabr. 1801 (Coleoptera, Cerambycidae) among European and Asiatic populations. ZooKeys 724: 31-42. https://doi.org/10.3897/zookeys.724.20667
Figure 4 Variation of hind wing shape among European and Asiatic populations of Leptura annularis complex: view in three-dimensional (A) and two-dimensional (B) morphospace.
Figure 1 from: Rossa R, Goczał J, Pawliczek B, Ohbayashi N (2017) Morphological variation in Leptura annularis Fabr. 1801 (Coleoptera, Cerambycidae) among European and Asiatic populations. ZooKeys 724: 31-42. https://doi.org/10.3897/zookeys.724.20667
Figure 1 Sampling localities for morphological survey of Leptura annularis complex in Europe and Asia.
Dataset for "Association between Amylase Alpha 1 Gene (AMY1) Copy Number Variation and Dental Caries Experience in Turkish Population"
Open the record for dataset details and reuse information.
Fig. 1 in Spatial Variation In Prey Composition And Its Possible Effect On Reproductive Success In An Expanding Eastern Imperial Eagle (Aquila Heliaca) Population
Fig. 1. Breeding distribution of the imperial eagle in Hungary between 1995 and 2004. Data are presented in a 10 km × 10 km UTM grid. Regions: (1) Eastern Zemplén Mts, (2) Western Zemplén Mts, (3) Cserehát Mts, (4) Bükk Mts, (5) Mátra Mts, (6) Börzsöny Mts, (7) West-Heves Plain, (8) East-Heves Plain, (9) Borsodi Mezőség Plain, (10) Jászság Plain, (11) Nagykunság Plain, (12) Dévaványa Plain, (13) West-Békés Plain, (14) South-Békés Plain, (15) Hortobágy Plain, (16) Aggtelek Mts, (17) Gerecse Mts, (18) Vértes Mts, (19) Eastern Bakony Mts. Dark grey: two sample areas, where diet composition and reproductive success were compared. Grey: data on prey composi-
Fig. 1 in Morphological and genetic variation in Mexican wild populations of Tamarixia radiata (Hymenoptera: Eulophidae)
Fig. 1. Neighbor-joining tree showing the genetic distance between Tamarixia radiata haplotypes. The tree was inferred according to the Tamura-3-parameter model. Next to each branch appear the bootstrap values as percentage of 1,000 replications. Next to each sequence are between brackets the gene bank accession numbers; the asterisks (*) indicate the report where the sequences were obtained, i.e., *Barr et al. 2009, **De León & Sétamou (2010), and ***González-Hernández et al. (2010).
Data from: Combined analysis of variation in core, accessory and regulatory genome regions provides a super-resolution view into the evolution of bacterial populations
The use of whole-genome phylogenetic analysis has revolutionized our understanding of the evolution and spread of many important bacterial pathogens due to the high resolution view it provides. However, the majority of such analyses do not consider the potential role of accessory genes when inferring evolutionary trajectories. Moreover, the recently discovered importance of the switching of gene regulatory elements suggests that an exhaustive analysis, combining information from core and accessory genes with regulatory elements could provide unparalleled detail of the evolution of a bacterial population. Here we demonstrate this principle by applying it to a worldwide multi-host sample of the important pathogenic E. coli lineage ST131. Our approach reveals the existence of multiple circulating subtypes of the major drug–resistant clade of ST131 and provides the first ever population level evidence of core genome substitutions in gene regulatory regions associated with the acquisition and maintenance of different accessory genome elements.
Data from: Genetic variation and structure of Diaphorina citri (Hemiptera:Liviidae) in populations from México
The Asian citrus psyllid, Diaphorina citri Kuwayama, is native to Asia but has recently invaded North America. Asian citrus psyllid is a significant pest of citrus crops by its direct feeding but, more importantly, as the vector of the bacterium 'Candidatus Liberibacter asiaticus', which causes Huanglongbing disease. Asian citrus psyllid was first found in México in 2001 and 2002 and, since then, has spread quickly across the country, suggesting rapid adaptation to new environments. Yet, we lack information on the genetic variation and structure that could facilitate or inhibit adaptation. Using six microsatellite markers, we analyzed genetic variation and structure among six localities in México: three in western states near the Pacific coast and two in the Yucatán Peninsula near the Gulf of México. We found low genetic diversity (no more than three alleles per locus) and intermediate differentiation between all populations. Asian citrus psyllid populations clustered into two genetic groups, but, surprisingly, these clusters were present in western populations. The first group included El Arenal, and the second group included Autlán de Navarro, Colima, and Tecomán. Interestingly, both of the Yucatán populations shared variation from the two clusters, suggesting admixture. We infer that reproductive isolation, barriers to gene flow, local selection, and the possibility of multiple invasions have influenced the current genetic structure of Asian citrus psyllid in México.
Figure 1 in Effects of fragmentation on genetic variation in populations of the terrestrial earthworm Drawida japonica Michaelsen, 1892 (Oligochaeta, Moniligastridae) in Shandong and Liaodong peninsulas, China
Figure 1. Map of collection sites in Shandong (SD) and Liaodong (LD) peninsulas of China.
Intra-population genetic variation in the level and rhythm of daily activity in Drosophila immigrans
<p>Genetic diversity within a population, such as polymorphisms and personality, is considered to improve population performance because such intraspecific variations have the potential to alleviate the competition for a limited resource or the risk of predation and sexual harassment at a population-level. Variation in the level and rhythm of daily activity in a population could also affect population performance by directly altering ecological, social, and sexual interactions among individuals. However, it remains to be elucidated whether such intra-population variation in the level and rhythms of daily activity exists in a natural population. Here, we investigated the genetic variation in daily activity within a single natural population of Drosophila immigrans. We established 21 isofemale lines from a single natural population, and measured larval activity level and the level and daily pattern of adult activity over a 24 h period. Larval activity level significantly varied among isofemale lines. Likewise, the activity level in the adult stage significantly varied among lines. The significant variation was also found in the daily pattern of adult activity; some lines showed greater activity level in the daytime, and others showed greater activity level in the night. Our results consistently suggest that there is a genetic variation in behavioral activity in a natural population, probably contributing to shaping the population performance.</p>
Fig. 5 in Evidence of the color pattern variation in populations of Gymnotus pantanal (Gymnotiformes) from three streams in the upper Paraná River basin, Brazil
Fig. 5. Conventional Giemsa-stained karyotypes of Gymnotus pantanal (NUP 9312), atypical color pattern, female (above) and male (below) showing the X , X , and Y sex chromosomes.
Fig. 1 in Evidence of the color pattern variation in populations of Gymnotus pantanal (Gymnotiformes) from three streams in the upper Paraná River basin, Brazil
Fig. 1. Partial map of São Francisco Verdadeiro River, Toledo, State of Paraná, showing the location of sites studied.
Fig. 1 in Microsatellite variation and population genetic structure of a neotropical endangered Bryconinae species Brycon insignis Steindachner, 1877: implications for its conservation and sustainable management
Fig. 1. Location of sampling sites of Brycon insignis in drainages in Southeastern Brazil. Power Company Hatchery (PCH), São João River (SJR), Paraíba do Sul River (PSR), Imbé River (IMR), Muriaé River (MUR) and Itabapoana River (ITR).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.