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Journal articles on the topic 'Population gene pool'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Werkissa, Yali, and Mitiku Takele. "Gene pool, classification and its importance in modern crop improvement program." International Journal of Agricultural Science and Food Technology 10, no. 2 (2024): 068–73. http://dx.doi.org/10.17352/2455-815x.000209.

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Alleles present in a population at a given period are referred to as the gene pool. It is the total amount and variety of genes and alleles available for transmission to the next generation in a sexually reproducing population. In comparison to formal taxonomy, Harlan and Wet identified types of gene pools as main, secondary, tertiary, and quaternary gene pools for the classification of each crop and its related species. The total quantity of genes, types and variants of genes, proportion, and distribution of genes are all revealed by studying the gene pool of a population. Selection, mutation

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Damba, L. D., G. Yu Ponomarev, V. Yu Pylev, and E. V. Balanovska. "The structure of the gene pool of the southern tribal groups of tuvans." Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta Seria XXIII Antropologia), no. 3/2024 (October 5, 2024): 91–101. http://dx.doi.org/10.55959/msu2074-8132-24-3-8.

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Introduction. The Y-gene pool of the southern Tuvan tribal groups – Soyan and Choodu – was first studied and their comparative analysis with representatives of Kyrgys (south-east of Tuva) and Oorzhak (west of Tuva) tribal groups was carried out. Purpose of the study: to determine the genetic status of the Soyan and Choodu tribal groups within the genetic landscape of the population of Southern Siberia. Materials and methods. The sample (total N=150) included samples from representatives of Oorzhak (N=42), Soyan (N=29), Kyrgys (N=46) and Choodu (N=33) tribal groups. The genotyping panel include

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Varsahr, A. M., V. A. Spitsyn, L. S. Bychcovscaya, and O. I. Kravchuk. "To the research of the gene pool of the Gagauz population of Moldavia." Anthropologischer Anzeiger 59, no. 1 (2001): 11–17. http://dx.doi.org/10.1127/anthranz/59/2001/11.

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Mamidi, Sujan, Monica Rossi, Deepti Annam, et al. "Investigation of the domestication of common bean (Phaseolus vulgaris) using multilocus sequence data." Functional Plant Biology 38, no. 12 (2011): 953. http://dx.doi.org/10.1071/fp11124.

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Multilocus sequence data collected from domesticated and related wild relatives provides a rich source of information on the effect of human selection on the diversity and adaptability of a species to complex environments. To evaluate the domestication history of common bean (Phaseolus vulgaris L.), multilocus sequence data from landraces representing the various races within the Middle American (MA) and Andean gene pools was evaluated. Across 13 loci, nucleotide diversity was similar between landraces and wild germplasm in both gene pools. The diversity data were evaluated using the approxima

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Baschenko, M. I., M. V. Gladiy, Yu P. Polupan, S. I. Kovtun, and I. S. Borodai. "THEORETICAL, METHODOLOGICAL, SCIENTIFIC AND INSTITUTIONAL BASICS OF FORMATION OF BANK OF FARM ANIMAL GENETICS RESOURCES OF INSTITUTE OF ANIMAL BREDDING AND GENETICS NAMED M.V.ZUBETS OF NAAS." Animal Breeding and Genetics 53 (April 27, 2017): 7–14. http://dx.doi.org/10.31073/abg.53.01.

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The authors has demonstrated the global nature of the problem of domesticated animal gene pool preservation caused by intensive using some transboundary breeds and reduction in the number of aborigen and local ones. Ignoring this problem leads to loss of biodiversity, the restoration of which with traditional methods of breeding work is not possible. The main aim of the article to highlight the key milestones of forming of the theory and methodology of farm animal gene pool preservation, contribute of Ukrainian scientists to the development of the some specific approaches. The prerequisi

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Urbánek, H., and V. Benetka. "Importance of population size for offspring fitness at conservation of the gene pool of cultivars." Horticultural Science 40, No. 3 (2013): 131–37. http://dx.doi.org/10.17221/179/2012-hortsci.

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Effective population size for conservation of cultivated plants was studied in Coreopsis grandiflora on populations in variants of 1, 5, 10, 30, 50 and 100 individuals. In five consecutive years these traits were studied on seeds originating from parental populations: seed number and weight per infructescence, thousand seed weight and germination. Plant height and flower size were investigated in a field trial. The influence of population size was expressed mainly in traits of early life-history stages. Inbreeding depression influenced germination already in the first year and was similar for

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Pylev, V. Yu, A. T. Agdzhoyan, I. O. Gorin, et al. "Population biobank as a basis for determining spatial variation of clinically relevant pharmacogenetic biomarkers of cardiovascular diseases." Cardiovascular Therapy and Prevention 21, no. 11 (2022): 3430. http://dx.doi.org/10.15829/1728-8800-2022-3430.

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The introduction of pharmacogenetic tests among the Russian population faces a fundamental limitation — pronounced genetic differences between populations. The genetic geography of pharmacogenetic markers of deoxyribonucleic acid (DNA) helps to remove these limitations.Aim. To reveal the spatial variation of the gene pools of the indigenous European Russian population in terms of DNA markers that are significant for the pharmacotherapy of cardiovascular diseases (CVDs) using the population biobank collections.Material and methods. A total of 3170 samples from 61 populations of the Biobank of N

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Konkov, Andrey S. "Population-Genetic History of China in the Context of the East Asian Population History." Oriental Courier, no. 3 (2023): 170. http://dx.doi.org/10.18254/s268684310026641-3.

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The territory of modern China was a zone of active population transformations from the time of its occupation by human species. There was the formation zone of the progenitors of all Mongoloid populations associated with the eastern trunk of non-Africans. The most ancient group is associated with the population of Tianyuan cave (田園洞). The basal steam split, after Tianyuan branch separation into two clusters of southern and northern populations. The north groups formed a gene pool base for the modern population of the northern half of China, Japan, Korea, as well as Mongolia, Siberia, and Ameri

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Chamoli, Navneeti, Deepti Prabha, and Jai S. Chauhan. "Genetic divergence and population structure analysis of common bean accessions from Garhwal Himalayas." Spanish Journal of Agricultural Research 23, no. 2 (2025): 20944. https://doi.org/10.5424/sjar/2025232-20944.

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Aim of study: Collection of common bean accessions from different villages of Garhwal Himalayan region and assessment of their genetic diversity. Area of study: Field trials were conducted at New Tehri, Tehri Garhwal, Uttarakhand. The lab work was performed at Seed Science & Technology departmental laboratory, HNB Garhwal University, Srinagar Garhwal, Uttarakhand, India. Material and Methods: 176 common bean accessions were collected from different villages of Garhwal Himalayas. Fourteen quantitative and ten qualitative traits were used to assess morphological diversity and for molecular d

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Díaz, Lucy M., Héctor F. Buendía, Myriam C. Duque, and Matthew W. Blair. "Genetic diversity of Colombian landraces of common bean as detected through the use of silver-stained and fluorescently labelled microsatellites." Plant Genetic Resources 9, no. 01 (2011): 86–96. http://dx.doi.org/10.1017/s1479262110000420.

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Colombia, situated at the northern end of the Andes mountains of South America and in proximity to Central America, is an important centre of diversity for common bean (Phaseolus vulgarisL.) that has a mix of cultivated germplasm from both major gene pools (Andean and Mesoamerican) for the species. Microsatellites are a useful marker system for analyzing genetic diversity of this crop and can be analyzed with manual (silver-stain) or automated (ABI) detection systems and using unlabelled or fluorescently labelled markers, respectively. The objectives of this research were to evaluate the genet

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Vasilyeva, Yu S., A. A. Zhulanov, S. V. Boronnikova, and Yu A. Yanbaev. "Genetic structure of ural populations of Larix sibirica Ledeb. on the base of analysis of nucleotide polymorphism." Silvae Genetica 69, no. 1 (2020): 20–28. http://dx.doi.org/10.2478/sg-2020-0004.

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AbstractResearch on the state and dynamics of the gene pool (an important natural resource that determines the potential fitness of living organisms and, ultimately, their long-term survival) becomes an important problem in the context of increased anthropogenic environmental impact. They are especially important for key species of ecosystems of a global scale importance. Larix sibirica Ledeb., which spreads from the Western Siberia to the Russian North-West, is one of such forest tree species. We identified patterns of genetic structure of populations on the example of the species’ Western ra

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Balanovska, Elena Vladimirovna, Anastasiya Torosovna Agdzhoyan, Igor Olegovich Gorin, et al. "In search of the Alan heritage: the genetic history of the North Caucasus according to genome-wide data on the autosomal gene pool." Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), no. 3 (September 15, 2022): 48–62. http://dx.doi.org/10.32521/2074-8132.2022.3.048-062.

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Introduction. The question of whether the Alans left a genetic heritage in the modern population of the North Caucasus, and if they did, which populations carry it in their gene pool, is not only a problem of basic science, but also an acute issue of public discussion. Population genetics can test the hypothesis of preserving the contribution of the thousand-year history of the Alanian tribes to the gene pools of the modern peoples of the Caucasus. Materials and methods. The genomes of 207 individuals (on a panel of 4.5 million markers) were studied: Abkhazians, Adyghes, Balkarians, Georgians,

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Nelimor, Charles, Baffour Badu-Apraku, Ana Luísa Garcia-Oliveira, et al. "Genomic Analysis of Selected Maize Landraces from Sahel and Coastal West Africa Reveals Their Variability and Potential for Genetic Enhancement." Genes 11, no. 9 (2020): 1054. http://dx.doi.org/10.3390/genes11091054.

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Genetic adaptation of maize to the increasingly unpredictable climatic conditions is an essential prerequisite for achievement of food security and sustainable development goals in sub-Saharan Africa. The landraces of maize; which have not served as sources of improved germplasm; are invaluable sources of novel genetic variability crucial for achieving this objective. The overall goal of this study was to assess the genetic diversity and population structure of a maize panel of 208 accessions; comprising landrace gene pools from Burkina Faso (58), Ghana (43), and Togo (89), together with refer

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Singh, B. N. "Random Genetic Drift: A Non-directional Force of Evolution." Journal of Scientific Research 66, no. 04 (2022): 86–92. http://dx.doi.org/10.37398/jsr.2022.660412.

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Evolution is a corner stone of biology. In terms of genetics, it is defined as a change in genetic composition of populations. A population has two attributes: Gene frequency proportion of different alleles of a gene in a population; Gene pool- sum total of genes in the reproductive gametes of a population (considered as gametic pool). When the population is evolving and under-going microevolutionary changes, different elemental forces operate to bring about these changes: mutation, natural selection, migration and random genetic drift. The first three forces have one quality in common, they u

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Kairon, Vinod, H. Sankhyan, Sanjeev Thakur, S. S. Sharma, and Neerja Rana. "Morphological Evaluation of Seabuckthorn (Hippophae rhamnoides L.) Populations Under Different Major Gene Pool Areas of Spiti Valley of Himachal Pradesh." Indian Journal of Forestry 39, no. 4 (2016): 317–20. http://dx.doi.org/10.54207/bsmps1000-2016-nx22ud.

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Morphological evaluation in Seabuckthorn (Hippophae rhamnoides L.) was carried out among nine major gene pool areas and three growing conditions, within each major gene pool area of Spiti Valley of Himachal Pradesh. The performance of most morphological traits showed significant variations among different major gene pool areas as well as within different growing conditions. GPA-4 (Schilling) was superior than other major gene pool areas for plant and leaf morphological traits and GPA-3(Sheigo) for fruits parameters among different major gene pool areas. Over all, GC-3 (crop land) was found sup

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Cherdantsev, S. V., R. O. Trapezov, M. S. Pristyazhnyuk, M. A. Tomilin, A. A. Zhuravlev, and A. S. Pilipenko. "Genetic Composition of the Tagar Culture Population: Current State and Research Prospects." Problems of Archaeology, Ethnography, Anthropology of Siberia and Neighboring Territories 27 (2021): 723–29. http://dx.doi.org/10.17746/2658-6193.2021.27.0723-0729.

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Despite the high degree of archaeological and anthropological research of the Tagar culture and its carriers, many directions of study of this Sothern Siberian Iron Age population remain relevant. This work is devoted to the consideration of the data on the genetic composition of the Tagar culture population, obtained to date by paleogenetic methods. The study of representative mtDNA sample series from chronologically different groups of the Tagar population (N = 79), carried out by the authors of this work, allow us to obtain the first objective view on the composition of its mitochondrial ge

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Makeeva, Vera M., Andrey V. Smurov, Anatoliy P. Kaledin, Artem M. Ostapchuk, Ivan D. Alazneli, and Eduard A. Snegin. "A comparative analysis of genetic diversity of natural elk (Alces alces L.) populations from European Russia and Sumarokov elk farm population." Ecological genetics 19, no. 4 (2021): 303–12. http://dx.doi.org/10.17816/ecogen76145.

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AIM: The aim of the study is to compare the genetic diversity of two natural elk populations from the hunting farms in adjacent regions (Kostromskaya and Yaroslavskaya oblasts) with that of the man-made population of an elk farm. MATERIALS AND METHODS: The genetic diversity analysis was carried out using DNA-markers represented by nine microsatellite loci (169 samples). RESULTS: The genetic diversity level in the wild populations is reliably higher than in the elk farm population: the average allele-per-locus numbers (NA) for the natural populations are 9.0 and 8.6 respectively, fo

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Lee, Tristan, Kyall R. Zenger, Robert L. Close, and David N. Phalen. "Genetic analysis reveals a distinct and highly diverse koala (Phascolarctos cinereus) population in South Gippsland, Victoria, Australia." Australian Mammalogy 34, no. 1 (2012): 68. http://dx.doi.org/10.1071/am10035.

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Population genetics can reveal otherwise hidden information involving a species’ history in a given region. Koalas were thought to have been virtually exterminated from the Australian state of Victoria during the koala fur trade of the late 1800s. Koalas in the South Gippsland region of Victoria were examined using microsatellite markers to infer population structure and gene flow and to locate a possible remnant gene pool. The results indicate that the South Gippsland koala population had higher genetic diversity (A = 5.97, HO = 0.564) than other published Victorian populations, and was genet

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NABLOUSSI, Abdelghani, Begoña PÉREZ-VICH, and Leonardo VELASCO. "Virulence, genetic diversity, and putative geographical origin of sunflower broomrape populations in Morocco." Phytopathologia Mediterranea 62, no. 1 (2023): 65–72. http://dx.doi.org/10.36253/phyto-13948.

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Sunflower broomrape (Orobanche cumana Wallr.) was detected for the first time parasitizing sunflower in Morocco in 2016. Seeds of three broomrape populations from two separate areas of Morocco, Souk Al Arbaa (populations SA1 and SA2) and Meknès (Population MK1) were collected. The populations’ virulence, genetic diversity, and putative area of origin were examined. Race classification using a set of sunflower differential lines showed that MK1 was a race-E population, while SA1 and SA2 were race-G populations. The analysis with 192 SNP markers showed that SA1 and SA2 populations are geneticall

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Matyukov, V., and Ya Zharikov. "Genetic diversity of today’s and ancestral populations of purebred Kholmogory cattle in the Komi Republic." Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences, no. 7 (December 22, 2023): 103–11. http://dx.doi.org/10.19110/1994-5655-2023-7-103-111.

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The genealogical information and genetic markers of different types were used to evaluate the genetic diversity of the endangered Kholmogory cattle breed in the Komi Republic. The main genealogical and gene pool of the ancestral population is available in the gene pool farms and the bank of cryopreserved semen of bulls. The effective number of the today’s population is sufficient to prevent the inbreeding from increasing above the acceptable limits for a short time. However, to maintain the genetic diversity for a long time, we need to attain at least a two-fold increase in the effective popul

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Suprun, Ivan, Ilya Stepanov, and Dzhalaludin Anatov. "Analysis of Genetic Diversity and Relationships of Local Walnut Populations in the Western Caspian Region of the North Caucasus." Horticulturae 11, no. 1 (2025): 65. https://doi.org/10.3390/horticulturae11010065.

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Common walnut (Juglans regia L.) is a valuable nut crop widely distributed within the temperate climate zone. It has several secondary centers of origin associated with refugia formed during the LGM (Last Glacial Maximum) period, one of which was presumably located in the Caucasus region. Currently, walnut populations of the Caucasus are studied fragmentarily, especially in the northeast. Our study is aimed at investigating the genetic diversity, population structure, and possible walnut introduction processes in the Caspian region of the Northeast Caucasus (Dagestan). Genotyping using 11 SSR

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Grugni, Viola, Alessandro Raveane, Giulia Colombo, et al. "Y-chromosome and Surname Analyses for Reconstructing Past Population Structures: The Sardinian Population as a Test Case." International Journal of Molecular Sciences 20, no. 22 (2019): 5763. http://dx.doi.org/10.3390/ijms20225763.

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Many anthropological, linguistic, genetic and genomic analyses have been carried out to evaluate the potential impact that evolutionary forces had in shaping the present-day Sardinian gene pool, the main outlier in the genetic landscape of Europe. However, due to the homogenizing effect of internal movements, which have intensified over the past fifty years, only partial information has been obtained about the main demographic events. To overcome this limitation, we analyzed the male-specific region of the Y chromosome in three population samples obtained by reallocating a large number of Sard

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Presa, Pablo, Alfonso Pita, Nédia R. Matusse, and Montse Pérez. "Genetic Divergence and Connectivity among Gene Pools of Polyprion americanus." Animals 13, no. 2 (2023): 302. http://dx.doi.org/10.3390/ani13020302.

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Three regional gene pools of Polyprion americanus have been described so far, i.e., the North Atlantic, the Southwest Atlantic, and the Indo-Pacific Ocean. However, there is taxonomic uncertainty about the Southeast Atlantic population and there is suspicion on the existence of a third species of Polyprion in that area. Additionally, prior studies have shown a lack of genetic structuring in the Atlantic North. Nonetheless, a more conspicuous characterization of intensity, periodicity, and direction of migration are needed to properly understand the wreckfish connectivity pattern in the North A

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Lependina, I. N., M. I. Churnosov, L. A. Atramentova, et al. "The gene pool of Belgorod oblast population: Study of biochemical gene markers in populations of Ukraine and Belarus and the position of the Belgorod population in the Eastern Slavic gene pool system." Russian Journal of Genetics 44, no. 4 (2008): 484–94. http://dx.doi.org/10.1134/s1022795408040157.

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Głażewska, I., S. Zielińska, and B. Prusak. "Formation of a new dog population observed by pedigree and mtDNA analyses of the Polish Hovawart." Archives Animal Breeding 55, no. 4 (2012): 391–401. http://dx.doi.org/10.5194/aab-55-391-2012.

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Abstract. The aim of the study was to evaluate changes in the gene pool of a dog population during the period of its formation. Pedigree and mtDNA analyses were performed on the Polish population of Hovawart dogs. A total of 192 litters of 93 dams and 115 sires were born between 1988 and 2008. Breeding began using Hovawarts imported mainly from the Czech Republic and Slovakia; however, the role of Western European dogs increased continually throughout the period analysed. No unfavourable effects caused by the limited size of the population were identified because of the constant inflow of new

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Jing, Huang, and Somayeh Esfandani-Bozchaloyi. "Genetic diversity and gene-pool of Medicago polymorpha L. based on retrotransposon-based markers." Caryologia 75, no. 1 (2022): 131–40. http://dx.doi.org/10.36253/caryologia-1428.

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The genus Medicago L. (Fabaceae) comprises approximately 87 different species of herbs and shrubs widespread from the Mediterranean to central Asia. Medicago polymorpha is a herbaceous legume that can be a useful pasture plant, in particular, in regions with a Mediterranean climate. It had aroused great interest due to high nutritious quality, highly palatability and N-fixing plan in neutral soil. There is no information on its population genetic structure, genetic diversity, and morphological variability in Iran. Due to the medicinal importance of this species, a genetic variability and popul

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Kharkov, V. N., N. A. Kolesnikov, L. V. Valikhova, et al. "Traces of Paleolithic expansion in the Nivkh gene pool based on data on autosomal SNP and Y chromosome polymorphism." Vavilov Journal of Genetics and Breeding 28, no. 6 (2024): 659–66. http://dx.doi.org/10.18699/vjgb-24-73.

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The Nivkhs are a small ethnic group indigenous of the Russian Far East, living in the Khabarovsk Territory and on Sakhalin Island, descending from the ancient inhabitants of these territories. In the Nivkhs, a specific Sakhalin-Amur anthropological type is prevalent. They are quite isolated, due to long isolation from contacts with other peoples. The gene pool of the Nivkhs and other Far Eastern and Siberian populations was characterized using a genome-wide panel of autosomal single-nucleotide polymorphic markers and Y chromosome haplogroups. Bioinformatic processing of frequencies of autosoma

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Campa, Ana, Ester Murube, and Juan José Ferreira. "Genetic Diversity, Population Structure, and Linkage Disequilibrium in a Spanish Common Bean Diversity Panel Revealed through Genotyping-by-Sequencing." Genes 9, no. 11 (2018): 518. http://dx.doi.org/10.3390/genes9110518.

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A common bean (Phaseolus vulgaris) diversity panel of 308 lines was established from local Spanish germplasm, as well as old and elite cultivars mainly used for snap consumption. Most of the landraces included derived from the Spanish common bean core collection, so this panel can be considered to be representative of the Spanish diversity for this species. The panel was characterized by 3099 single-nucleotide polymorphism markers obtained through genotyping-by-sequencing, which revealed a wide genetic diversity and a low level of redundant material within the panel. Structure, cluster, and pr

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Singh, Shree P., Howard F. Schwartz, Henry Terán, Diego Viteri, and Kristen Otto. "Pyramiding white mould resistance between and within common bean gene pools." Canadian Journal of Plant Science 94, no. 5 (2014): 947–54. http://dx.doi.org/10.4141/cjps2013-321.

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Singh, S. P., Schwartz, H. F., Terán, H., Viteri, D. and Otto, K. 2014. Pyramiding white mould resistance between and within common bean gene pools. Can. J. Plant Sci. 94: 947–954. White mould caused by Sclerotinia sclerotiorum (Lib.) de Bary is a severe disease of common bean (Phaseolus vulgaris L.) in North America and similar production regions. Low to high levels of white mould resistance exist in cultivated and wild common bean and the secondary gene pool. But, cultivars with high levels of resistance are not yet available. The objectives of this study were: (1) to combine or pyramid high

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S., Cherdantsev, Trapezov R., Tomilin M., et al. "Diversity of mtDNA and Y-Chromosome Variants in the Gene Pool of the Carriers of the Old Alei Culture (Firsovo-XIV Burial Ground)." Teoriya i praktika arkheologicheskikh issledovaniy 34, no. 1 (2022): 125–45. http://dx.doi.org/10.14258/tpai(2022)34(1).-07.

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This work continues the series of studies devoted to the analysis of the Scythian groups of the Upper Ob region and adjacent areas of Southern Siberia using paleogenetic methods, in particular, the study of the genetic composition and history of the formation of the gene pool of the carriers of the Old Alei culture. At the new stage of the study, we were able to quickly introduce new paleoanthropological materials from the Old Alei complexes of the Firsovo-XIV burial ground, discovered in 2020, into full-fledged scientific circulation by examining the structure of mtDNA in these samples. An in

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Catarcione, Giulio, Anna Rita Paolacci, Enrica Alicandri, et al. "Genetic Diversity and Population Structure of Common Bean (Phaseolus vulgaris L.) Landraces in the Lazio Region of Italy." Plants 12, no. 4 (2023): 744. http://dx.doi.org/10.3390/plants12040744.

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Common bean cultivation has historically been a typical component of rural economies in Italy, particularly in mountainous and hilly zones along the Apennine ridge of the central and southern regions, where the production is focused on local landraces cultivated by small-scale farmers using low-input production systems. Such landraces are at risk of genetic erosion because of the recent socioeconomic changes in rural communities. One hundred fourteen accessions belonging to 66 landraces still being grown in the Lazio region were characterized using a multidisciplinary approach. This approach i

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Boczkowska, Maja, Katarzyna Bączek, Olga Kosakowska, Anna Rucińska, Wiesław Podyma, and Zenon Węglarz. "Genome-Wide Diversity Analysis of Valeriana officinalis L. Using DArT-seq Derived SNP Markers." Agronomy 10, no. 9 (2020): 1346. http://dx.doi.org/10.3390/agronomy10091346.

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Common valerian (Valeriana officinalis L.) is one of the most important medicinal plants, with a mild sedative, nervine, antispasmodic and relaxant effect. Despite a substantial number of studies on this species, the genetic diversity and population structure have not yet been analyzed. Here, we use a next-generation sequencing-based Diversity Array Technology sequencing (DArT-seq) technique to analyze Polish gene bank accessions that originated from wild populations and cultivars. The major and, also, the most astounding result of our work is the low level of observed heterozygosity of indivi

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В.Н., Харьков,, Валихова, Л.В., Зарубин, А.А., et al. "Permian genetic component in the gene pool of the indigenous peoples of the Volga region." Nauchno-prakticheskii zhurnal «Medicinskaia genetika, no. 12 (December 26, 2022): 52–55. http://dx.doi.org/10.25557/2073-7998.2022.12.52-55.

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Выявлен вклад пермского по происхождению компонента в генофонд различных этносов Поволжья, который присутствует у народов пермской языковой группы и тюркоязычных этносов. Он полностью доминирует у удмуртов и бесермян, а также занимает пятую часть генофонда коми. Анализ распределения этого компонента в популяциях и состава их генофондов по различным сублиниям гаплогрупп Y-хромосомы показывает, что современные удмурты сохранили свой исходный состав генофонда и не подвергались смешению с пришедшими позднее угорскими, тюркскими и славянскими переселенцами. Внесение этого генетического компонента в

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Aliyeva, V. R. "Morphometric evaluation of the male bee of the selection and breeding group of the Kabakhtapa population of the Gray Mountain Caucasian breed (<i>Apis mellifera caucasica Gorb.</i>)." Agrarian science, no. 6 (July 29, 2022): 58–61. http://dx.doi.org/10.32634/0869-8155-2022-360-6-58-61.

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Relevance. The gene pool of bees in Azerbaijan consists of two bee breeds — the Gray Mountain Caucasian and the Yellow Caucasian bees. These breeds combine 5 populations. Among these populations, the Kabakhtapa population stands out, which is considered the “golden bee” of the gene pool of Azerbaijan. In order to protect and improve the gene pool of bees, in Azerbaijan conditions were carried out researchesrelated to the creation of a new highly productive selection and breeding group through mass, individual selection and selection in bee colonies of the Kabakhtapa population of the Gray Moun

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Li, Sha, Xiaomei Jiang, and Shahram Mehri. "Genetic diversity and gene-pool of Aegilops tauschii Coss. (Poaceae) based on retrotransposon-based markers." Genetika 53, no. 3 (2021): 1331–40. http://dx.doi.org/10.2298/gensr2103331l.

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Genetic variation is an essential feature of biological variety for conservation methods, particularly for scarce and strictly endemic species. Iran's population genetic structure, genetic variation, and morphological variations are all unknown. Because of the therapeutic value of this species, six regional populations of Aegilops tauschii were studied for genetic diversity and population structure. To uncover within and among population genetic variation in this plant, we employed six inter-retrotransposon amplified polymorphism (IRAP) markers and 15 combined IRAP markers. The AMOVA test indi

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Huang, K., J. Bahl, X. H. Fan, et al. "Establishment of an H6N2 Influenza Virus Lineage in Domestic Ducks in Southern China." Journal of Virology 84, no. 14 (2010): 6978–86. http://dx.doi.org/10.1128/jvi.00256-10.

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ABSTRACT Multiple reassortment events between different subtypes of endemic avian influenza viruses have increased the genomic diversity of influenza viruses circulating in poultry in southern China. Gene exchange from the natural gene pool to poultry has contributed to this increase in genetic diversity. However, the role of domestic ducks as an interface between the natural gene pool and terrestrial poultry in the influenza virus ecosystem has not been fully characterized. Here we phylogenetically and antigenically analyzed 170 H6 viruses isolated from domestic ducks from 2000 to 2005 in sou

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Milovanovic, Jelena, and Mirjana Sijacic-Nikolic. "Molecular markers applying in forest trees gene pool conservation." Bulletin of the Faculty of Forestry, no. 99 (2009): 101–13. http://dx.doi.org/10.2298/gsf0999101m.

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Many studies performed during the last years demonstrated the usefulness of neutral molecular markers in the field of conservation and population genetics of forest trees, in particular to understand the importance of migration patterns in shaping current genetic and geographic diversity and to measure important parameters such as effective population size, gene flow and past bottleneck. During the next years, a large amount of data at marker loci or at sequence level is expected to be collected, and to become excellent statistical power for the assessment of biological and evolutionary value.

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VYSOCHANSKY, J. S., and L. N. REZINKOVA. "GROWING, MAINTENANCE AND PRESERVATION OF BROWN CARPATHIAN BREED IN PERSONAL HOLDINGS OF THE POPULATION IN MODERN CONDITIONS OF THE TRANSCARPATHIAN REGION." PROBLEMS OF AGROINDUSTRIAL COMPLEX OF KARPATY 29 (2021): 27–35. http://dx.doi.org/10.47279/2709-3727-2021-1-3.

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Materials of scientific researches on presence, cultivation and preservation of a gene pool of cows of brown Carpathian breed in personal farms of the population of mountain region are resulted. An assessment of breeding values and productivity was conducted. Keywords: cultivation, gene, breeding values, population

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Barrett, J. W., P. Knowles, and W. M. Cheliak. "The mating system in a black spruce clonal seed orchard." Canadian Journal of Forest Research 17, no. 5 (1987): 379–82. http://dx.doi.org/10.1139/x87-065.

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Isozyme markers were used to study the mating system, estimate the effective population size, and determine the effective gene pool composition in a black spruce clonal seed orchard. Ten seeds per family were electrophoretically analyzed by embryo and megagametophytic pairs to determine their allelic and genotypic frequencies at five polymorphic loci. Single-locus estimates of outcrossing ranged from 0.682 to 1.087 (mean, 0.942), while the multilocus estimate was 0.837. The variance effective population size was calculated to be 17 individuals, comprising 13 receptive females and 4 effective m

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Дамба, Л. Д., В. Ю. Пылёв, Г. Ю. Пономарёв, and Е. В. Балановская. "The structure of the gene pool of the Tuvan tribal group Mongush according to data on Y-chromosome polymorphism." Nauchno-prakticheskii zhurnal «Medicinskaia genetika 23, no. 1 (2024): 40–51. http://dx.doi.org/10.25557/2073-7998.2024.01.40-51.

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В дискуссиях о происхождении наиболее многочисленной родовой группы тувинцев монгуш (57 тыс. чел.) преобладают две альтернативные гипотезы. Монгольская версия возводит их этногенез к монголам (или к пришлому населению из Центральной Азии). Тюркская гипотеза связывает их происхождение с местным автохтонным населением, перешедшим на тюркский язык. Цель данной работы по детальной структуре Y-хромосомы в увеличенной выборке изучить генофонд двух подгрупп монгуш (центральных и западных), определить степень их генетического сходства между собой, с генофондами других тувинских родов, популяций Южной

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Zeeh, Ann, and Andrew Quell. "A Sweet Dive into the Gene Pool." American Biology Teacher 77, no. 2 (2015): 135–39. http://dx.doi.org/10.1525/abt.2015.77.2.9.

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Teachers are being challenged to engage students in ways that will elevate student interest and understanding of concepts in science and encourage students to gather evidence to support what we know about science. It is critical for teachers to have budget-friendly, supporting activities that are aligned with current educational standards, that are easy to present, and that incorporate a variety of skills important to the study of science. This simulation activity is an inexpensive exercise that challenges students to hypothesize the evolutionary outcome of genotype selection in a population a

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Pilipenko, Aleksandr, Stepan Cherdantsev, Rostislav Trapezov, et al. "On the Issue of the Sarmatian Population Genetic Composition in the Lower Volga Region (Paleogenetic Data)." Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 4. Istorija. Regionovedenie. Mezhdunarodnye otnoshenija, no. 4 (October 2020): 17–50. http://dx.doi.org/10.15688/jvolsu4.2020.4.2.

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Introduction. The article presents the results of the analysis of mitochondrial DNA and Y-chromosome samples obtained from the representatives of Sarmatian populations from the Lower Volga region belonging to all stages of the culture. Methods and materials. The authors have screened samples from 202 individuals representing three cultural and chronological Sarmatian groups (Early Sarmatian, Middle Sarmatian and Late Sarmatian cultures). As a result, the researchers have determined the structure and phylogenetic position of 62 mitochondrial DNA samples and 12 Y-chromosome samples, carried out

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Thomas, R. C., P. D. Beldia, W. L. Campos, and M. D. Santos. "Gene pool and population structure in larval Herklotsichthys quadrimaculatus (Rüppell, 1837)." Journal of Applied Ichthyology 30, no. 5 (2014): 1031–34. http://dx.doi.org/10.1111/jai.12438.

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Gouveia, Mateus H., Victor Borda, Thiago P. Leal, et al. "Origins, Admixture Dynamics, and Homogenization of the African Gene Pool in the Americas." Molecular Biology and Evolution 37, no. 6 (2020): 1647–56. http://dx.doi.org/10.1093/molbev/msaa033.

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Abstract The Transatlantic Slave Trade transported more than 9 million Africans to the Americas between the early 16th and the mid-19th centuries. We performed a genome-wide analysis using 6,267 individuals from 25 populations to infer how different African groups contributed to North-, South-American, and Caribbean populations, in the context of geographic and geopolitical factors, and compared genetic data with demographic history records of the Transatlantic Slave Trade. We observed that West-Central Africa and Western Africa-associated ancestry clusters are more prevalent in northern latit

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Vitelleschi, María Susana, and Guillermo Raul Pratta. "Assessment of the genetic structure of two different tomato breeding populations by Principal Component Analysis." FAVE Sección Ciencias Agrarias, no. 23 (July 4, 2024): e0024. http://dx.doi.org/10.14409/fa.2024.23.e0024.

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In Plant Breeding, different populations are generated, which frequently represent different gene arrangement from a common selected gene pool. The technique of Principal Component Analysis (PCA) has been widely applied to evaluate the genetic structure of different populations. The objective of this research was to assess PCA for evaluating the genetic structure of two breeding tomato populations, one representing a final step of a breeding program (RIL population) and the other, an initial step (a six basic generations’ population, composed by two homozygous parent, their heterozygous F1 and

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Šalamon, I. "The Slovak gene pool of German chamomile (Matricaria recutita L.) and comparison in its parameters." Horticultural Science 31, No. 2 (2011): 70–75. http://dx.doi.org/10.17221/3795-hortsci.

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Plant habit and production of secondary metabolites in chamomile plants depend on endogenous and exogenous factors that can be divided into two groups (Franz 1982): a) morpho-ontogenetic variability, b) genetic variability or genetic determinateness. The activity of these factors is reflected in biomass production, flower drug production, content and composition of essential oil and some other characteristics of chamomile stands. This study presents genetic and environmental variations of essential oil and its sesquiterpene composition &ndash; (-)-B of chamomile population (Lawrence 1986).

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Ilyasov, R. A., F. G. Yumaguzhin, V. N. Danilenko, et al. "Evaluation of the gene pool of the dark forest bee Apis mellifera mellifera in the biosphere reserve "Bashkir Urals"." Biomics 14, no. 4 (2022): 340–48. http://dx.doi.org/10.31301/2221-6197.bmcs.2022-35.

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The gene pool of the native population of the dark forest bee Apis mellifera mellifera is gradually being lost due to spontaneous introgressive hybridization with bees of the southern subspecies, which are imported into the forest and forest-steppe zones for commercial beekeeping. The aim of the study is to evaluate the effectiveness of preserving the gene pool of the dark forest bee A. m. mellifera in the biosphere reserve "Bashkir Urals" using genetic markers. It has been shown that the Q variant of the mtDNA of the COI-COII locus, which characterizes the southern subspecies of bees, occurs

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Djan, Mihajla, Ljiljana Vapa, Dragana Obreht, Milan Vapa, and Vukoman Selmic. "On gene pool divergence of the brown hare (Lepus europaeus, Pallas) in Vojvodina." Zbornik Matice srpske za prirodne nauke, no. 107 (2004): 13–20. http://dx.doi.org/10.2298/zmspn0417013d.

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Today it is widely accepted that a conservation of genetic diversity increases chances of animal survival. The aim of this study was investigation of gene pool divergence of the brown hare (Lepus europaeus) in Vojvodina. Allozymic diversity of 60 brown hares from different localities in Vojvodina was studied by polyacrylamide and starch gel electrophoresis at 31 putative structural gene loci. Only five loci: Idh-2, Pgd, Pgm, Es-1 and Es-D were polymorphic, possessing 2 to 6 different alleles. The value of average heterozygosity (Ho) was 0.0427, while polymorphism (P99%) was 8.4%. Nei's values

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Степанов, В. А. "Population Genomics of Russian populations." Nauchno-prakticheskii zhurnal «Medicinskaia genetika», no. 7(216) (July 30, 2020): 6–7. http://dx.doi.org/10.25557/2073-7998.2020.07.6-7.

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Популяционная геномика человека является мощным современным подходом в популяционной генетике, базирующемся на технологиях геномного секвенирования, биоинформатики и анализа больших данных. Геномный анализ генетической вариабельности в популяциях является фундаментальной основой генетики болезней и разработки путей их диагностики, терапии и профилактики. В работе представлены собственные данные о геномном анализе генетического разнообразия населения России. Показано, что генофонд современных народов России формировался на протяжении многих тысяч лет в ходе совокупного влияния миграций, изоляци

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Khojanazarov, Absalom Ziyadullayevich. "MEDICAL REFORMS ON STRENGTHENING THE GENEFOUND OF THE POPULATION IN UZBEKISTAN." GOLDEN BRAIN 2, no. 12 (2024): 158–64. https://doi.org/10.5281/zenodo.11526816.

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<em>This article analyzes the implementation of a number of regulatory documents adopted by the industry, work to improve the state of the gene pool, as well as the reproductive health of the population in our country in recent years.<strong> </strong></em>

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