Relevant bibliographies by topics / Genetic diversity and variation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Genetic diversity and variation'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Genetic diversity and variation"

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Ansari, K. I., N. Palacios, C. Araya, T. Langin, D. Egan, and F. M. Doohan. "Genetic variation between Colletotrichum lindemuthianum isolates." Plant Protection Science 38, SI 2 - 6th Conf EFPP 2002 (2017): 378–80. http://dx.doi.org/10.17221/10496-pps.

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We characterized the genetic diversity of seventy-three C. lindemuthianum isolates collected from 10 different countries by Amplified Fragment Length Polymorphism (AFLP) analysis. The results of this research highlighted the fact that there is huge variation in the genetic diversity between isolates from different countries. The molecular profile of the isolates showed correlation with geographic origin of the isolates.
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Bergmann, F., H. R. Gregorius, D. Kownatzki, and Chr Wehenkel. "Different diversity measures and genetic traits reveal different speciesgenetic diversity relationships: A case study in forest tree communities." Silvae Genetica 62, no. 1-6 (2013): 25–37. http://dx.doi.org/10.1515/sg-2013-0004.

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AbstractRelationships between species diversity and genetic diversity, the two most important elements of biodiversity, have recently attracted considerable interest in the field of community genetics. The present study contributes to this issue by addressing three questions that seem to have been ignored so far, namely whether the use of (a) different diversity measures, of (b) different components of diversity, and of (c) different genetic traits may lead to different assessements of speciesgenetic diversity relationships. For this purpose, data on species composition and genetic traits were
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CROW, J. F. "Human Genetic Diversity: Genetic Variation and Its Maintenance." Science 236, no. 4807 (1987): 1475–76. http://dx.doi.org/10.1126/science.236.4807.1475-a.

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Vostrý, L., O. Kracíková, B. Hofmanová, V. Czerneková, T. Kott, and J. Přibyl. "Intra-line and inter-line genetic diversity in sire lines of the Old Kladruber horse based on microsatellite analysis of DNA." Czech Journal of Animal Science 56, No. 4 (2011): 163–75. http://dx.doi.org/10.17221/1437-cjas.

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The Old Kladruber horse is the oldest original Czech horse breed – gene resource, with pedigree records spanning three centuries. Because the population is closed, there is a concern about the loss of genetic variation. The genetic diversity within and amongst sire lines was evaluated using microsatellite markers and based on pedigree information. The DNA analysis, covering 16 microsatellite loci, revealed that the genetic diversity (observed heterozygosity = 0.637, genetic diversity = 0.678 and the mean number of alleles = 8.25) for the Old Kladruber horse is consistent with other p
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S, CHITHRA, and RAJALAKSHMI R. "Genetic diversity study of Tagetes Linn. (Asteraceae)." Journal of Medicinal and Aromatic Plant Sciences 36, no. 2 (2014): 49–58. http://dx.doi.org/10.62029/jmaps.v36i2.s.

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Present study was conducted to access genetic diversity among 10 genotypes of two species of Tagetes i.e., Tagetes erecta (6 cultivars) and Tagetes patula (4 cultivars). Though Tagetes possesses great economical value, little attention has been paid for its genetic improvement. Four polymorphic isozyme systems (AAT, MDH, EST and PRX) were selected for cultivar identification. In isozyme analysis, peroxidase was able to differentiate both the species. Esterase showed large number of alleles and polymorphism to differentiate the two species as well as cultivars of the same species. The data woul
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Eichten, Steven R., Akanksha Srivastava, Adam J. Reddiex, et al. "Extending the Genotype in Brachypodium by Including DNA Methylation Reveals a Joint Contribution with Genetics on Adaptive Traits." G3: Genes|Genomes|Genetics 10, no. 5 (2020): 1629–37. http://dx.doi.org/10.1534/g3.120.401189.

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Epigenomic changes have been considered a potential missing link underlying phenotypic variation in quantitative traits but is potentially confounded with the underlying DNA sequence variation. Although the concept of epigenetic inheritance has been discussed in depth, there have been few studies attempting to directly dissect the amount of epigenomic variation within inbred natural populations while also accounting for genetic diversity. By using known genetic relationships between Brachypodium lines, multiple sets of nearly identical accession families were selected for phenotypic studies an
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Huang, W. K., F. H. Wan, J. Y. Guo, B. D. Gao, B. Y. Xie, and D. L. Peng. "AFLP analyses of genetic variation of Eupatorium adenophorum (Asteraceae) populations in China." Canadian Journal of Plant Science 89, no. 1 (2009): 119–26. http://dx.doi.org/10.4141/cjps07162.

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The Eupatorium adenophorum is one of the most widespread invasive alien species in China. In the present study, the genetic variation and population structure of this species were analyzed using amplified fragment length polymorphism (AFLP) markers. Nine primer pairs were selected for the analysis and 685 bands were produced, among which 474 bands were polymorphic (PPB = 69.2%). Diversity levels within populations were relatively high (mean expected heterozygosity = 0.188, mean Shannon index = 0.296). Regression analysis showed a significant positive relationship between Shannon genetic divers
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Rinehart, Timothy A., Brian E. Scheffler, and Sandra M. Reed. "Ploidy Variation and Genetic Diversity in Dichroa." HortScience 45, no. 2 (2010): 208–13. http://dx.doi.org/10.21273/hortsci.45.2.208.

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Recent evidence suggests a close genetic relationship between Hydrangea macrophylla (Thunb.) Ser. and D. febrifuga Lour., which supports previous morphological and DNA sequence data. This relationship was confirmed by the production of fertile intergeneric hybrids. We characterize the genetic diversity of available D. febrifuga plants, both cultivars and wild-collected taxa, as breeding material to improve H. macrophylla. Relatively high genetic diversity is seen among D. febrifuga, which splits into two main clusters. We also document considerable differences in genome size when compared with
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Cunha, Andressa Maria, Mariana Terossi, Fernando Luis Mantelatto, and Alexandre Oliveira Almeida. "Genetic variation and cryptic diversity of the." Marine and Freshwater Research 73, no. 3 (2021): 319–27. http://dx.doi.org/10.1071/mf21043.

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Alpheus lobidens sensu lato is one of the most common groups of snapping shrimps in the Indo-West Pacific. The objective of this study was to investigate the phylogenetic relationships among lineages of A. lobidens s.l. throughout their geographical distribution and identifying possible morphological characteristics that support the lineages from this combined dataset. Molecular data were obtained by analysing 16S rRNA from nine individuals of A. lobidens, three of A. buckupi, one of A. inopinatus and six other Alpheus species. The genetic analyses (mean p-distance and Bayesian Inference) indi
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Blasco, Manuel, María del Mar Naval, Elena Zuriaga, and María Luisa Badenes. "Genetic variation and diversity among loquat accessions." Tree Genetics & Genomes 10, no. 5 (2014): 1387–98. http://dx.doi.org/10.1007/s11295-014-0768-3.

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Dissertations / Theses on the topic "Genetic diversity and variation"

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Oballa, Phanuel O. "Genetic variation within Acacia karroo Hayne." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334928.

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Olsson, Jenny. "Genetic diversity and hardiness in Scots pine from Scandinavia to Russia." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160222.

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The postglacial recolonization of northern Europe supposedly originated from Western Europe and the Russian Plain, however, recent molecular and macrofossil-based investigations suggest that the history may be more complex than previously thought. This study aims to investigate the genetic diversity and population structure of Scots pine from Scandinavia to Russia to re-evaluate its recolonization history, and to examine whether the pattern of spatial genetic diversity has any adaptive significance. Populations ranging from Norway to Russia were sampled and genotyped using genotyping-by-sequen
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Jian, Zhengwen. "Genetic Diversity and Expression Variation in Human Cytochrome P450 Genes." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1203393700.

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Koban, Evren. "Genetic Diversity Of Native And Crossbreed Sheep Breeds In Anatolia." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605694/index.pdf.

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In this study the genetic diversity in Turkish native sheep breeds was investigated based on microsatellite DNA loci. In total, 423 samples from 11 native and crossbreed Turkish sheep breeds (Akkaraman, Morkaraman, Kivircik, ivesi, Dagli&ccedil<br>, Karayaka, HemSin, Norduz, Kangal, Konya Merinosu, T&uuml<br>rkgeldi) and one Iraqi breed (Hamdani) were analyzed by sampling from breeding farms and local breeders. After excluding close relatives by Kinship analysis, the genetic variation within breeds was estimated as gene diversities (HE), which ranged between 0.686 and 0.793. The mean number
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Booker, Thomas Rhys. "Understanding variation in nucleotide diversity across the mouse genome." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33239.

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It is well known that nucleotide diversity varies across the genomes of eukaryotic species in ways consistent with the effects of natural selection. However, the contribution of selection on advantageous and deleterious mutations to the observed variation is not well understood. In this thesis, I aim to disentangle the contribution of background selection and selective sweeps to patterns of genetic diversity in the mouse genome, thus furthering our understanding of natural selection in mammals. In chapter 1, I introduce core concepts in evolutionary genetics and describe how recombination and
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Masumbuko, Linus. "Study of genetic diversity and micropopagation of Coffea arabica L. and evaluation of genetic diversity in Cocos nucifera L. from Tanzania /." Alnarp : Dept. of Crop Science, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200598.pdf.

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Givens, Chandler Brooke. "Genetic Variation Among Geographically Disparate Yellow Perch Broodstock Populations." VCU Scholars Compass, 2006. http://hdl.handle.net/10156/1385.

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Díaz, Oscar. "Genetic diversity in Elymus species (Triticeae) with emphasis on the Nordic region /." Svalöv : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5493-X.pdf.

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Feyissa, Tileye. "Micropropagation, transformation and genetic diversity of Hagenia abyssinica (Bruce) J.F. Gemel /." Alnarp : Department of Crop Science, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200604.pdf.

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Liu, Jianyang. "Morpholotical and genetic variation within perennial ryegrass (lylium perenne l.)." The Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=osu1127245394.

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Books on the topic "Genetic diversity and variation"

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Amaya, Julian A. Cervantes, and Miguel M. Franco Jimenez. Genetic diversity: New research. Nova Science Publisher's, Inc., 2011.

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Campaign, Gene, and Biodiversity Conservation Prioritisation Project, eds. Genetic diversity in Indian trees. Gene Campaign, 2001.

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National Research Council (U.S.). Committee on Human Genome Diversity. and National Research Council (U.S.). Commission on Life Sciences., eds. Evaluating human genetic diversity. National Academy Press, 1997.

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Mathet, Verónica L. Genetic diversity & variability of hepatitis B virus (HBV). Nova Science Publishers, 2008.

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Mathet, Verónica L. Genetic diversity & variability of hepatitis B virus (HBV). Nova Science Publishers, 2009.

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Yves, Christen, and SpringerLink (Online service), eds. Retrotransposition, Diversity and the Brain. Springer-Verlag, 2008.

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Jamieson, Ian G. Loss of genetic diversity and inbreeding in New Zealand's threatened bird species. Pub. Team, Dept. of Conservation, 2009.

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Jamieson, Ian G. Loss of genetic diversity and inbreeding in New Zealand's threatened bird species. Pub. Team, Dept. of Conservation, 2009.

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A, Scott Sheryl, ed. Sensory neurons: Diversity, development, and plasticity. Oxford University Press, 1992.

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Eucarpia. Fodder Crops and Amenity Grasses Section. Meeting. Sustainable use of genetic diversity in forage and turf breeding. Edited by Huyghe Christian. Springer, 2010.

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Book chapters on the topic "Genetic diversity and variation"

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Cook, L. M., and R. S. Callow. "Sources of continuous variation." In Genetic and Evolutionary Diversity. Garland Science, 2023. http://dx.doi.org/10.1201/9781003421887-8.

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Deka, Ranjan, and Ranajit Chakraborty. "Trinucleotide Repeats, Genetic Instability and Variation in the Human Genome." In Genomic Diversity. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4263-6_4.

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Emery, Leslie S., and Joshua M. Akey. "Natural Selection, Genetic Variation, and Human Diversity." In Human Population Genomics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-61646-5_9.

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Kinghorn, Brian P., Robert Banks, Cedric Gondro, et al. "Strategies to Exploit Genetic Variation While Maintaining Diversity." In Adaptation and Fitness in Animal Populations. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9005-9_13.

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Bhandari, Hem S., Malay C. Saha, and Joseph H. Bouton. "Genetic Variation in Lowland Switchgrass (Panicum virgatum L.)." In Sustainable use of Genetic Diversity in Forage and Turf Breeding. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8706-5_7.

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Martin, George M. "Constitutional, Somatic Genetic and Environmental Aspects of the Phenotypic Diversity of Aging in Human Subjects." In Phenotypic Variation in Populations. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5460-4_19.

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Wang, Wei, and Eduard Akhunov. "Application of CRISPR-Cas-Based Genome Editing for Precision Breeding in Wheat." In Wheat Improvement. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90673-3_29.

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AbstractWheat improvement relies on genetic diversity associated with variation in target traits. While traditionally the main sources of novel genetic diversity for breeding are wheat varieties or various wild relatives of wheat, advances in gene mapping and genome editing technologies provide an opportunity for engineering new variants of genes that could have beneficial effect on agronomic traits. Here, we provide the overview of the genome editing technologies and their application to creating targeted variation in genes that could enhance wheat productivity. We discuss the potential utili
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Roux, Nicolas, Rachel Chase, Ines van den Houwe, et al. "Somaclonal variation in clonal crops: containing the bad, exploring the good." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0037.

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Abstract Somaclonal variation describes random cellular changes in plants regenerated through tissue culture. It occurs in certain crops that undergo micropropagation and has been recorded in different explant sources, from leaves and shoots to meristems and embryos. In banana (Musa spp.), a clonal crop conserved in vitro, somaclonal variation has been observed after prolonged periods in tissue culture, resulting from an increase in subcultures performed on a given clone. According to scientific literature, variants, or off-types, often show characteristics such as abnormal growth and flower o
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Kärkkäinen, Katri, Sonja T. Kujala, Rosario Garcia-Gil, et al. "Genetic Effects." In Managing Forest Ecosystems. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-70484-0_7.

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Abstract Genetic effects of continuous cover forestry (CCF) are not well known. We need more research, especially on the genetics of spruce-dominated CCF sites. Levels of relatedness are of interest, as are estimates of safe limits for the intensity and duration of CCF practices that secure genetic potential for good growth and quality. With even-aged forestry, genetically improved regeneration material can be used to mitigate climate change-related risks through breeding and deployment recommendations. In CCF, currently based on natural regeneration, we assume that enough seedlings establish,
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Agrawal, Sarita, and Shubhra Malviya. "Allozyme Diversity Inforensically Important Indian Species Chrysomya Megacephala (Fabricius) (Diptera: Calliphoridae)." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_22.

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AbstractThe application of electrophoretic technique to study allozyme enzymatic variation has been extensively used to explore hidden genetic variability in natural population and laboratory colonies of many calliphorid flies. Genetic variation at three enzyme loci viz., Alkaline phosphatase (APH), Xanthin dehydrogenase(XDH)and Malate dehydrogenase (MDH) in laboratory colonies of Chrysomya megacephalawere investigated by using polyacrylamide gel electrophoresis (PAGE). In APH three zones of activity were observed. Which have been designated as APH-1, APH-2, and APH-3 in order of increasing an
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Conference papers on the topic "Genetic diversity and variation"

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"Genetic diversity shaped by transposon variation in chickpea." In Биоинформатика регуляции и структуры геномов / системная биология. ИЦиГ СО РАН, 2024. http://dx.doi.org/10.18699/bgrs2024-06-51.

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SRIKUMMOOL, METAWEE, DAOROONG KANGWANPONG, NADIA SINGH, and MARK SEIELSTAD. "Y-CHROMOSOMAL VARIATION IN UXORILOCAL AND PATRILOCAL POPULATIONS IN THAILAND." In Genetic, Linguistic and Archaeological Perspectives on Human Diversity in Southeast Asia. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812810847_0006.

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Mitsides, Konstantinos, Maxence Faldor, and Antoine Cully. "Scaling Policy Gradient Quality-Diversity with Massive Parallelization via Behavioral Variations." In GECCO '25: Genetic and Evolutionary Computation Conference. ACM, 2025. https://doi.org/10.1145/3712256.3726335.

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Duca, Maria, Ana Mutu, Ina Bivol, and Steliana Clapco. "Eficiența unor marcheri moleculari în discriminarea populațiilor de lupoaie originare din China." In VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.35.

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In this study, the effectiveness of different types of molecular markers in assessing genetic diversity of populations of O. cumana from China was determined. ISSR and SSR markers detected different levels of genetic variability among and within broomrape populations. SSR markers analysis showed high level of genetic variation within the populations as revealed by high average values of Nei's gene diversity (H=0,75) and Shannon's information index (I=1,44), while genotyping with ISSR markers showed greater ability to discriminate genotypes according to Resolving power (Rp=7,24). Thus, the comb
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Booysen, Vernon, and Annelin Molotsi. "Genetic Mutation and Variation in the GDF9 and BMPR1B Fecundity Genes of South African Indigenous Sheep Breeds <sup>†</sup>." In 1st International Electronic Conference on Biological Diversity, Ecology and Evolution. MDPI, 2021. http://dx.doi.org/10.3390/bdee2021-09413.

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Nugroho, Kristianto, Rerenstradika Tizar Terryana, Nazly Aswani, et al. "Genetic diversity of Indonesia’s local garlic (Allium sativum L.) accessions based on nucleotide variations." In INTERNATIONAL CONFERENCE ON ORGANIC AND APPLIED CHEMISTRY (ICOAC) 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0185527.

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Chelu, Cristina, Carmen Varlam, Gheorghe Titescu, and Gallia Butnaru. "Diversitatea moleculară a două ecotipuri de Datura inoxia provenite din vestul şi estul României." In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.03.

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Molecular Diversity of two Ecotypes of Datura inoxia Originating from Western and Eastern Romania. To characterize genomic variation among genotypes, we have performed RAPD analysis using ten random primers. The results yielded 88 bands out of which 39 were polymorphic. The primers US1 and US7 showed 87.71% and 72.72% polymorphism respectively. The least polymorphism was shown by primer US9 (12.50%). The primer US15 did not produce any bands suggesting the absence of matching sequences in the genomic DNA. The dendrogram classified ecotypes into two clusters (A and B); cluster B possess three s
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Mathew, Shilu M., Malak Ibrahim, Asmaa Al Thani, Khalid Al Ansari, Hassan Zaraket, and Hadi M. Yassine. "Antigenica and Genetic Characterization of Identified Rotavirus Strains in Qatar in Response to Rotarix Vaccine Usage." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0114.

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To identify genetic and antigenic variation in RV in response to vaccine usage. Methods: A total of 231 RV-positive fecal samples were collected from children suffering from AGE during three-year study period between June 2016 and June 2019. The age of the subjects ranged between 2 months and 14 years (median of 16 months). RV genotyping and neutralizing regions, which include both VP4 (Ptype) and VP7 (G type), were amplified and sequenced. We characterized amino acid sequence variability and predicted antigenicity compared to the Rotarix vaccine strain. Phylogenetic analyses were performed us
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Пегливанян, Г. К. "ANALYSIS OF THE DISTRIBUTION OF GENOTYPES OF THE LCORL SNP A503G GENE IN PUSHKINSKAYA CHICKENS AND THEIR INFLUENCE ON EXTERIOR AND LIVE WEIGHT INDICATORS." In Биотехнология в растениеводстве, животноводстве и сельскохозяйственной микробиологии. Crossref, 2021. http://dx.doi.org/10.48397/arriab.2021.21.xxi.026.

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Рост и развитие животных играют важную роль в производстве, селекции и их адаптации к окружающей среде в изменяющихся климатических условиях [1]. Поиск локусов количественных признаков (QTL) — это один из методов, который предоставляет возможность понять генетическую архитектуру признаков и выявить области генома, контролирующие количественные вариации признаков [2]. Селекция с помощью молекулярных маркеров – один из способов повышения мясной продуктивности сельскохозяйственной птицы. Отбор и подбор родительских пар по хозяйственно-полезным признакам привели к формированию различных популяций
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Perera, Nirmalee, Manura Weerasinghe, Jagath Kasturiarachchi, and Priyanga Ranasinghe. "In Silico Analysis of the Diversity of DPYD Gene Variants Affecting Fluoropyrimidine Toxicity: A Comparison of South Asians with Other World Populations." In SLIIT INTERNATIONAL CONFERENCE ON ADVANCEMENTS IN SCIENCES AND HUMANITIES. Faculty of Humanities & Sciences, SLIIT, 2024. https://doi.org/10.54389/ehcv8962.

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Fluoropyrimidine (FP) chemotherapy drug is utilized to treat colon, head, neck and breast cancers. Apart from its effectiveness, toxicity is a limitation. DPD (dihydropyrimidine dehydrogenase) enzyme, which aids in the FP metabolism is produced by the highly polymorphic DPYD gene. Mutations in the DPYD gene cause the deficiency or non-functionality of the DPD enzyme which varies among different populations. This research aimed to compare allele frequencies of common DPYD gene variants of South Asians (SAS) such as DPYD*2A(rs3918290), DPYD*9(rs1801265), DPYD*5, rs2297595, DPYD*6, rs17376848, rs
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Reports on the topic "Genetic diversity and variation"

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Shaw, George M. Genetic Variation of HIV: Viral Load and Genotypic Diversity in Relation to Viral Pathogenesis and Treatment. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada246409.

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Tippery, Nicholas, Nathan Harms, Matthew Purcell, et al. Assessing the genetic diversity of Nymphoides peltata in the native and adventive range using microsatellite markers. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48222.

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Nymphoides peltata (yellow floatingheart), native to Eurasia, is an invasive plant in the USA, where it grows in relatively isolated but widespread populations. The species is capable of sexual reproduction by seed and asexual reproduction through fragmentation. Although N. peltata is recognized as a noxious weed, little is known about its geographic region of origin or its dispersal mechanisms and relative amount of genetic variation in its adventive range. We conducted a genetic analysis of N. peltata by studying 68 localities across the native range and 47 localities in the adventive range,
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Fluhr, Robert, and Volker Brendel. Harnessing the genetic diversity engendered by alternative gene splicing. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7696517.bard.

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Our original objectives were to assess the unexplored dimension of alternative splicing as a source of genetic variation. In particular, we sought to initially establish an alternative splicing database for Arabidopsis, the only plant for which a near-complete genome has been assembled. Our goal was to then use the database, in part, to advance plant gene prediction programs that are currently a limiting factor in annotating genomic sequence data and thus will facilitate the exploitation of the ever increasing quantity of raw genomic data accumulating for plants. Additionally, the database was
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Michelmore, Richard, Eviatar Nevo, Abraham Korol, and Tzion Fahima. Genetic Diversity at Resistance Gene Clusters in Wild Populations of Lactuca. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7573075.bard.

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Genetic resistance is often the least expensive, most effective, and ecologically-sound method of disease control. It is becoming apparent that plant genomes contain large numbers of disease resistance genes. However, the numbers of different resistance specificities within a genepool and the genetic mechanisms generating diversity are poorly understood. Our objectives were to characterize diversity in clusters of resistance genes in wild progenitors of cultivated lettuce in Israel and California in comparison to diversity within cultivated lettuce, and to determine the extent of gene flow, re
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Gur, Amit, Edward Buckler, Joseph Burger, Yaakov Tadmor, and Iftach Klapp. Characterization of genetic variation and yield heterosis in Cucumis melo. United States Department of Agriculture, 2016. http://dx.doi.org/10.32747/2016.7600047.bard.

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Project objectives: 1) Characterization of variation for yield heterosis in melon using Half-Diallele (HDA) design. 2) Development and implementation of image-based yield phenotyping in melon. 3) Characterization of genetic, epigenetic and transcriptional variation across 25 founder lines and selected hybrids. The epigentic part of this objective was modified during the course of the project: instead of characterization of chromatin structure in a single melon line through genome-wide mapping of nucleosomes using MNase-seq approach, we took advantage of rapid advancements in single-molecule se
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Kistler, Harold Corby, Talma Katan, and Dani Zamir. Molecular Karyotypes of Pathogeic Strains of Fusarium oxysporum. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7604927.bard.

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Genetic diversity of pathogenic strains of the fungus Fusarium oxysporum was determied by analysis of electrophoretic karyotype, as well as by DNA variation detected by Restriction Fragment Length Polymorphisms (RFLPs) and Random Amplified Polymorphic DNAs (RAPDs). The electrophoretic karyotypes for 130 isolates of the fungus pathogenic to tomato, melon, and banana were analyzed. Electrophoretic karyotype variation, reflected in differences in apparent chromosome number and genome size, was observed even among isolates from the same host and sub specific category. Sub specific categories studi
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Seroussi, E., L. Ma, and G. Liu. Genetic analyses of recombination and PRDM9 alleles and their implications in dairy cattle breeding. United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134158.bard.

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Meiotic recombination is one of the important phenomena contributing to gamete genome diversity. However, it is not well studied in livestock including cattle. The general objectives of this project were to perform genetic analyses of recombination and PRDM9 alleles and study their implications in dairy cattle breeding. The specific objectives were: 1. Analyze variation in recombination across individuals, breeds, and environments; 1.1.Construct individual-level recombination maps; 1.2.Compare recombination features between bulls held under different environmental conditions in US and Israeli;
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Aharoni, Asaph, Zhangjun Fei, Efraim Lewinsohn, Arthur Schaffer, and Yaakov Tadmor. System Approach to Understanding the Metabolic Diversity in Melon. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7593400.bard.

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Fruit quality is determined by numerous genetic factors that affect taste, aroma, ‎color, texture, nutritional value and shelf life. To unravel the genetic components ‎involved in the metabolic pathways behind these traits, the major goal of the project was to identify novel genes that are involved in, or that regulate, these pathways using correlation analysis between genotype, metabolite and gene expression data. The original and specific research objectives were: (1) Collection of replicated fruit from a population of 96 RI lines derived from parents distinguished by great diversity in frui
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Singh, Anjali. Estimating the Chiasma Frequency in Diplotene-Diakinesis Stage. ConductScience, 2020. http://dx.doi.org/10.55157/cs20200925.

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Chiasma is the point of crossing over or site where the exchange of genetic material takes place between two homologous, non-sister chromatids. The crossover occurs in the pachytene stage, however, it is observed in the diplotene stage of meiosis-I[2]. The cross-over between the two homologs also creates a new combination of parental genes, forming recombinants. The recombination of the genes causes variation in the population and exert a profound effect on genomic diversity and evolution. Meiotic recombination and variation in the population have been a concern for scientists to understand th
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Fridman, Eyal, Jianming Yu, and Rivka Elbaum. Combining diversity within Sorghum bicolor for genomic and fine mapping of intra-allelic interactions underlying heterosis. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597925.bard.

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Heterosis, the enigmatic phenomenon in which whole genome heterozygous hybrids demonstrate superior fitness compared to their homozygous parents, is the main cornerstone of modern crop plant breeding. One explanation for this non-additive inheritance of hybrids is interaction of alleles within the same locus. This proposal aims at screening, identifying and investigating heterosis trait loci (HTL) for different yield traits by implementing a novel integrated mapping approach in Sorghum bicolor as a model for other crop plants. Originally, the general goal of this research was to perform a gene
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