Academic literature on the topic 'Genetic intra-specific variability'

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Journal articles on the topic "Genetic intra-specific variability"

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CARVALHO, O. S., R. L. CALDEIRA, A. J. G. SIMPSON, and T. H. D. A. VIDIGAL. "Genetic variability and molecular identification of Brazilian Biomphalaria species (Mollusca: Planorbidae)." Parasitology 123, no. 7 (2001): 197–209. http://dx.doi.org/10.1017/s0031182001008058.

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Freshwater snails belonging to the genus Biomphalaria are intermediate hosts of the trematode Schistosoma mansoni in the Neotropical region and Africa. In Brazil, one subspecies and ten species of Biomphalaria have been identified: B. glabrata, B. tenagophila, B. straminea, B. occidentalis, B. peregrina, B. kuhniana, B. schrammi, B. amazonica, B. oligoza, B. intermedia and B.t. guaibensis. However, only the first three species are found naturally infected with S. mansoni. The classical identification of these planorbids is based on comparison of morphological characteristics of the shell and m
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Farahani, Farah, Masoud Sheidai, and Fahimeh Koohdar. "Genetic finger printing of cotton cultivars by ISSR molecular markers." Genetika 50, no. 2 (2018): 627–34. http://dx.doi.org/10.2298/gensr1802627f.

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Gossypium hirsutum is one of the main tetraploid cotton species that is cultivated throughout the world. Due to continuous selection of cotton cultivars for specific agronomic traits, the genetic variability within the cultivars decrease that lead to genetic erosion. To tackle the problem of reduced genetic variability, we should track all available genetic diversity within cotton germplasm and use them for inter-specific and intra-specific hybridization and produce new elite cotton cultivars. Therefore, the present study used ISSR molecular markers to illustrate genetic variability in 13 tetr
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Talman, Arthur M., Linda Duval, Eric Legrand, et al. "Evaluation of the intra- and inter-specific genetic variability of Plasmodium lactate dehydrogenase." Malaria Journal 6, no. 1 (2007): 140. http://dx.doi.org/10.1186/1475-2875-6-140.

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Mossi, AJ, RL Cansian, O. Leontiev-Orlov, et al. "Intra and inter populational genetic variability in Maytenus ilicifolia Mart. ex Reiss. 1861, through RAPD markers." Brazilian Journal of Biology 67, no. 4 suppl (2007): 957–61. http://dx.doi.org/10.1590/s1519-69842007000500022.

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Maytenus ilicifolia is a medicinal plant largely used in the South Brazilian folk medicine. The aim of this study was to quantify the intra and inter populational genetic variability in three populations of M. ilicifolia, focusing on the genetic conservation of this species, which has been threatened by anthropic action. RAPD (Random Amplified Polymorphic DNA) markers were used to analyze 30 plants of each of the three populations collected in the Alto Uruguai Gaúcho region. Fourteen selected primers generated a total of 158 bands, 71.5% of which were polymorphic. The comparison of Jaccard’s d
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J., O. Popoola, M. Adebayo B., E. Adegbite A., C. Omonhinmin A., and D. Adewale B. "Fruit Morphometric and RAPD Evaluation of Intraspecific Variability in Some Accessions of African Yam Bean (Sphenostylis stenocarpa Hochst. ex. A. Rich. Harms)." Annual Research & Review in Biology 14, no. 4 (2017): 1–10. https://doi.org/10.9734/ARRB/2017/34264.

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African Yam Bean (AYB) (<em>Sphenostylis stenocarp</em>a, Hochst. ex A. Rich, Harms) is an indigenous underutilized legume mainly grown in Sub-saharan African as a source of protein. Intraspecific variability studies were carried out on 10 accessions of AYB obtained from the International Institute of Tropical Agriculture (IITA) Ibadan, Nigeria. Fourteen (14) fruit morphometric characters and nine (9) arbitrary RAPD primers were employed for evaluation of genetic intra-specific variability among the accessions. A total of 410 bands were generated with 261 (63.66%) polymorphic bands. There is s
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Rocha, D. C., R. A. Rodella, C. L. Marino, and D. Martins. "Genetic variability among Commelina weed species from the states of Paraná and São Paulo, Brazil." Planta Daninha 27, no. 3 (2009): 421–27. http://dx.doi.org/10.1590/s0100-83582009000300001.

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This work aims to carry out a comparative analysis using RAPD molecular markers in four Commelina weed species from the state of Paraná and C. benghalensis populations from the states of Paraná and São Paulo, Brazil. The genomic plant DNA sample was extracted from the leaves, separated, randomly fragmented and amplified by PCR. Random amplified polymorphic DNA fragments (RAPD markers) were analyzed by using POPGENE statistical program. Eighty-five primer sequences were tested but only three were suitable as molecular markers producing 37 DNA polymorphic fragments for comparisons among four Com
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Vejl, P., S. Skupinová, I. Polišenská, and M. Váňová. "Distinguishing isolates of cereal stem disease pathogens of the genus Tapesia from isolates of Fusarium and Rhizoctonia using the RAPD method." Plant Protection Science 36, No. 4 (2000): 132–40. http://dx.doi.org/10.17221/9645-pps.

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The RAPD method (Random Amplification of Polymorphous DNA) was used to distinguish Tapesia acufonnis and T. yallundae isolates from other pathogens of wheat stem base diseases (Fusarium avenaceum, F. culmorum, F. nivale, Rhizoctonia cerealis and R. so/ani).Isolates of the fungi originated from infected wheat plants (Triticum aestivum L.) collected at various locations in the Czech Republic. Three decameric oligonucleotide-primers were selected as producing genotype-specific RAPD products. These markers distinguish all isolates of the above taxons. The intra-species genetic variability of these
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Attia, Hanene, Manel Sghaier, Aymen Bali, et al. "Intra-Specific Diversity of Leishmania major Isolates: A Key Determinant of Tunisian Zoonotic Cutaneous Leishmaniasis Clinical Polymorphism." Microorganisms 10, no. 3 (2022): 505. http://dx.doi.org/10.3390/microorganisms10030505.

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The clinical expression of zoonotic cutaneous leishmaniasis (ZCL) caused by Leishmania (L.) major parasites has a broad spectrum ranging from asymptomatic infection to self-limited cutaneous sores or severe disease. In concert with the host immune responses, the vector variability and the number of bites, genetic variation between L. major isolates might impact on the clinical output of the disease. We investigated herein the intra-specific variability of L. major field isolates independently of host or vector factors and then tried to correlate parasite variability to ZCL severity in correspo
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Buha, Natasa, Milica Gligorovic, and Jasmina Maksic. "Challenging behavior: Behavioral phenotypes of some genetic syndromes." Srpski arhiv za celokupno lekarstvo 142, no. 9-10 (2014): 621–27. http://dx.doi.org/10.2298/sarh1410621b.

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Challenging behavior in individuals with mental retardation (MR) is relatively frequent, and represents a significant obstacle to adaptive skills. The frequency of specific forms and manifestations of challenging behavior can depend on a variety of personal and environmental factors. There are several prominent theoretical models regarding the etiology of challenging behavior and psychopathology in persons with MR: behavioral, developmental, socio-cultural and biological. The biological model emphasizes the physiological, biochemical and genetic factors as the potential source of challenging b
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Delaneau, O., M. Zazhytska, C. Borel, et al. "Chromatin three-dimensional interactions mediate genetic effects on gene expression." Science 364, no. 6439 (2019): eaat8266. http://dx.doi.org/10.1126/science.aat8266.

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Studying the genetic basis of gene expression and chromatin organization is key to characterizing the effect of genetic variability on the function and structure of the human genome. Here we unravel how genetic variation perturbs gene regulation using a dataset combining activity of regulatory elements, gene expression, and genetic variants across 317 individuals and two cell types. We show that variability in regulatory activity is structured at the intra- and interchromosomal levels within 12,583 cis-regulatory domains and 30 trans-regulatory hubs that highly reflect the local (that is, topo
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Dissertations / Theses on the topic "Genetic intra-specific variability"

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Griffiths, M. W. "Inter- and intra-specific genetic variability of Heliothis armigera (Hubner) and H. punctigera (Wallengren) with reference to their differential resistance to insecticides." Thesis, 1987. http://era.daf.qld.gov.au/id/eprint/7363/.

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Hajek, Peter. "Intra- and interspecific variation of functional traits, growth performance and belowground competition in Populus species." Thesis, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-5ED8-9.

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Reports on the topic "Genetic intra-specific variability"

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Levisohn, Sharon, Mark Jackwood, and Stanley Kleven. New Approaches for Detection of Mycoplasma iowae Infection in Turkeys. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7612834.bard.

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Mycoplasma iowae (Mi) is a pathogenic avian mycoplasma which causes mortality in turkey embryos and as such has clinical and economic significance for the turkey breeder industry. Control of Mi infection is severely hampered by lack of adequate diagnostic tests, together with resistance to most antibiotics and resilience to environment. A markedly high degree of intra-species antigenic variation also contributes to difficulties in detection and control of infection. In this project we have designed an innovative gene-based diagnostic test based on specific amplification of the 16S rRNA gene of
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