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Journal articles on the topic 'Genetic variability marker-assisted selection'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Gianola, Daniel, Miguel Perez-Enciso, and Miguel A. Toro. "On Marker-Assisted Prediction of Genetic Value: Beyond the Ridge." Genetics 163, no. 1 (2003): 347–65. http://dx.doi.org/10.1093/genetics/163.1.347.

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Abstract Marked-assisted genetic improvement of agricultural species exploits statistical dependencies in the joint distribution of marker genotypes and quantitative traits. An issue is how molecular (e.g., dense marker maps) and phenotypic information (e.g., some measure of yield in plants) is to be used for predicting the genetic value of candidates for selection. Multiple regression, selection index techniques, best linear unbiased prediction, and ridge regression of phenotypes on marker genotypes have been suggested, as well as more elaborate methods. Here, phenotype-marker associations ar

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2

Dey, T., and P. D. Ghosh. "Application of molecular markers in plant genome study." NBU Journal of Plant Sciences 4, no. 1 (2010): 1–9. http://dx.doi.org/10.55734/nbujps.2010.v04i01.001.

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The development of molecular techniques for genetic analysis has led to a great increase in our knowledge of plant genetics and our understanding of the structure and behaviour of plant genome. During last three decades, several powerful DNA based marker technologies have been developed for the assessment of genetic diversities and molecular marker assisted breeding technology. In plant systems, the prospects of DNA profiling and fingerprinting is becoming indispensable in the context of establishment of molecular phylogeny, assessment of somaclonal variants, characterization of plant genomics

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3

Pradhan, D., and Usha Chakraborty. "Time-course accumulation of metabolites and expression of antioxidative enzymes in Glycine max under temperature stress." NBU Journal of Plant Sciences 4, no. 1 (2010): 25–30. http://dx.doi.org/10.55734/nbujps.2010.v04i01.004.

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The development of molecular techniques for genetic analysis has led to a great increase in our knowledge of plant genetics and our understanding of the structure and behaviour of plant genome. During last three decades, several powerful DNA based marker technologies have been developed for the assessment of genetic diversities and molecular marker assisted breeding technology. In plant systems, the prospects of DNA profiling and fingerprinting is becoming indispensable in the context of establishment of molecular phylogeny, assessment of somaclonal variants, characterization of plant genomics

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4

Dey, T., and P. D. Ghosh. "Application of molecular markers in plant genome study." NBU Journal of Plant Sciences 4, no. 1 (2010): 1–9. http://dx.doi.org/10.55734/nbujps.2010.v04i01.001.

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The development of molecular techniques for genetic analysis has led to a great increase in our knowledge of plant genetics and our understanding of the structure and behaviour of plant genome. During last three decades, several powerful DNA based marker technologies have been developed for the assessment of genetic diversities and molecular marker assisted breeding technology. In plant systems, the prospects of DNA profiling and fingerprinting is becoming indispensable in the context of establishment of molecular phylogeny, assessment of somaclonal variants, characterization of plant genomics

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5

Pradhan, D., and Usha Chakraborty. "Time-course accumulation of metabolites and expression of antioxidative enzymes in Glycine max under temperature stress." NBU Journal of Plant Sciences 4, no. 1 (2010): 25–30. http://dx.doi.org/10.55734/nbujps.2010.v04i01.004.

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The development of molecular techniques for genetic analysis has led to a great increase in our knowledge of plant genetics and our understanding of the structure and behaviour of plant genome. During last three decades, several powerful DNA based marker technologies have been developed for the assessment of genetic diversities and molecular marker assisted breeding technology. In plant systems, the prospects of DNA profiling and fingerprinting is becoming indispensable in the context of establishment of molecular phylogeny, assessment of somaclonal variants, characterization of plant genomics

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6

Teneva, A., and M. P. Petrovic. "Application of molecular markers in livestock improvement." Biotehnologija u stocarstvu 26, no. 3-4 (2010): 135–54. http://dx.doi.org/10.2298/bah1004135t.

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With recent developments in DNA technologies, a large number of genetic polymorphisms at DNA sequence level has been introduced over the last decades as named DNA-based markers. The discovery of new class of DNA profiling markers has facilitated the development of marker-based gene tags, mapbased cloning of livestock important genes, variability studies, phylogenetic analysis, synteny mapping, marker-assisted selection of favourable genotypes, etc. The most commonly used DNA-based markers have advantages over the traditional phenotypic and biochemical markers since they provide data that can b

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7

WHITTAKER, JOHN C., ROBIN THOMPSON, and MIKE C. DENHAM. "Marker-assisted selection using ridge regression." Genetical Research 75, no. 2 (2000): 249–52. http://dx.doi.org/10.1017/s0016672399004462.

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In crosses between inbred lines, linear regression can be used to estimate the correlation of markers with a trait of interest; these marker effects then allow marker assisted selection (MAS) for quantitative traits. Usually a subset of markers to include in the model must be selected: no completely satisfactory method of doing this exists. We show that replacing this selection of markers by ridge regression can improve the mean response to selection and reduce the variability of selection response.

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Budakva, Yelyzaveta, Konstantin Pochernyaev, Sergii Korinnyi, Artem Saienko, Viktor Balatsky, and Povod M. G. Povod. "MARKER-ASSISTED SELECTION FOR GENOTYPING HERDS OF HYBRID GILTS BASED ON POPULATION-GENETIC VARIABILITY." Scientific and Technical Bulletin of the Institute of Animal Science NAAS of Ukraine, no. 127 (2022): 32–42. http://dx.doi.org/10.32900/2312-8402-2022-127-32-42.

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In the study, the allelic effect of single nucleotide polymorphisms of SNPs was determined to estimate fattening productivity in a herd of hybrid gilts (n=101) (Large White × Landrace) × Maxgro. The studied herd of hybrid gilts was obtained as a result of direct (Large White × Landrace) and reciprocal crossing (Landrace × Large White) with boars of the Maxgro terminal line. We conducted a population analysis of polymorphisms by melanocortin genes 4 MC4R (c.1426 A>G), cathepsin D CTSD (g.70 G>A), and ryanodine receptor 1 RYR1 (g.1843 C>T) using software GenAlEX6. To genotyping a herd o

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9

Subramanian, V., S. Gurtu, R. C. Nageswara Rao, and S. N. Nigam. "Identification of DNA polymorphism in cultivated groundnut using random amplified polymorphic DNA (RAPD) assay." Genome 43, no. 4 (2000): 656–60. http://dx.doi.org/10.1139/g00-034.

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Construction of a genetic linkage map is necessary to apply marker-assisted selection tools in a crop improvement program. Except for the recent studies from two laboratories, most of the previous studies have shown little or no DNA polymorphism in cultivated groundnut (Arachis hypogaea L.). In the present study, 70 selected genotypes, representing variability for several morphological, physiological, and other characters, were studied for polymorphism employing random amplified polymorphic DNA (RAPD) assay with 48 oligonucleotide primers. Of the 48 oligonucleotide primers only 7 (14.6%) yield

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10

Sakhatskyi, M. I., та R. O. Kulibaba. "Мarker-assisted selection of ukrainian local chicken breeds. overview of research results". Animal Husbandry of the Steppe of Ukraine 1, № 2 (2022): 150–56. http://dx.doi.org/10.31867/2786-6750.1.2.2022.150-156.

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The article presents a complex system of using of different types of molecular genetic markers in marker-assisted selection of Ukrainian local chicken breeds of egg and combined productivity. The main stages of selection work with different chicken breeds of Ukrainian selection are given considering the results of genetic variability research and analysis of productivity parameters of chicken with different genotypes by a number of DNA-markers. According to the results of the research, prospective marker systems identified by the set of quantitative trait loci, allelic variants of which are as

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11

Kühn, C., F. Reinhardt, and M. Schwerin. "Marker assisted selection of heifers improved milk somatic cell count compared to selection on conventional pedigree breeding values." Archives Animal Breeding 51, no. 1 (2008): 23–32. http://dx.doi.org/10.5194/aab-51-23-2008.

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Abstract. Although mastitis in cattle is an important factor for dairy economy and animal welfare and although udder health parameters have a substantial genetic variability, in many countries there is little or no improvement of udder health in the conventional commercial breeding programs. Strategies implementing information about Quantitative trait loci (QTL) via genetic marker information seem to offer new prospects to improve this situation. In a proof-of-principle approach, we show that selection of German Holstein heifers prior to first calving based on marker information regarding a co

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Brdar-Jokanovic, Milka, Dragana Trkulja, Emilija Nikolic-Djoric, Ankica Kondic-Spika, and Borislav Kobiljski. "The possibilities of applying marker assisted selection in breeding boron tolerant wheat." Genetika 45, no. 3 (2013): 769–76. http://dx.doi.org/10.2298/gensr1303769j.

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The aim of this study was to investigate the possibilities of applying molecular markers-microsatellites in breeding boron tolerant wheat. The study comprised the investigation of allelic variability of sixty bread wheat accessions in two microsatellite loci (Xgwm46-7B and Xgwm577-7B) for which was assumed that are placed near the 7B chromosome locus involved in the expression of boron tolerance in wheat. Phenotypic variability concerning boron tolerance was assessed via root length reduction of wheat seedlings grown in the presence of high external boron, applied as boric acid solution (conce

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De Mori, Gloria, and Guido Cipriani. "Marker-Assisted Selection in Breeding for Fruit Trait Improvement: A Review." International Journal of Molecular Sciences 24, no. 10 (2023): 8984. http://dx.doi.org/10.3390/ijms24108984.

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Breeding fruit species is time-consuming and expensive. With few exceptions, trees are likely the worst species to work with in terms of genetics and breeding. Most are characterized by large trees, long juvenile periods, and intensive agricultural practice, and environmental variability plays an important role in the heritability evaluations of every single important trait. Although vegetative propagation allows for the production of a significant number of clonal replicates for the evaluation of environmental effects and genotype × environment interactions, the spaces required for plant cult

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14

Supriyanta, Bambang. "EFFICIENCY BASED ON MARKER ASSISTED SELECTION FOR F2 POPULATION WITH ONE LOCUS MODEL: A SIMULATION STUDY." Agrivet 24, no. 1 (2021): 1. http://dx.doi.org/10.31315/agrivet.v24i1.4661.

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Simulation study was done to evaluate QTL mapping and selection efficiency of molecular markers utilisation in the F2 population. The simulation study started with formulating genetic configuration which consists of chromosome maps and genetic models. Genetic model for diploid individuals is a model which consists two alleles for each locus. Genetic model that used is a mathematical model consists additive, dominance, and interactions with different effects at each locus, with maximum interaction occurs between two loci (digenic). QTL mapping was constructed by using single locus model, two lo

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Kostadinovic, Marija, Dragana Ignjatovic-Micic, Goran Stankovic, Jelena Vancetovic, Danijela Ristic, and Snezana Mladenovic-Drinic. "Genetic and biochemical characterization of parental inbred lines in marker assisted selection for quality protein maize." Genetika 46, no. 2 (2014): 579–90. http://dx.doi.org/10.2298/gensr1402579k.

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Maize protein is deficient in two essential amino acids, lysine and tryptophan. Naturally occurring opaque2 (o2) mutation which increases the levels of tryptophan and lysine in the grain also confers an undesirable phenotype leading to low yields and more susceptible, soft and chalky kernels. Quality Protein Maize (QPM) is agronomically acceptable and nutritionally improved opaque2 maize. Marker assisted selection increases reliability and efficiency, reduces time and costs taken to obtain QPM. The results presented in this paper are a part of the Maize Research Insitute project on conversion

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Mladenovic-Drinic, Snezana, Dragana Ignjatovic-Micic, Iva Eric, Violeta Andjelkovic, Drazen Jelovac, and Kosana Konstantinov. "Biotechnology in maize breeding." Genetika 36, no. 2 (2004): 93–109. http://dx.doi.org/10.2298/gensr0402093m.

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Maize is one of the most important economic crops and the best studied and most tractable genetic system among monocots. The development of biotechnology has led to a great increase in our knowledge of maize genetics and understanding of the structure and behaviour of maize genomes. Conventional breeding practices can now be complemented by a number of new and powerful techniques. Some of these often referred to as molecular methods, enable scientists to see the layout of the entire genome of any organism and to select plants with preferred characteristics by "reading" at the molecular level,

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A. A. Hussein, Mohammed, Manal Eid, Mehdi Rahimi, Faten Zubair Filimban, and Diaa Abd El-Moneim. "Comparative Assessment of SSR and RAPD markers for genetic diversity in some Mango cultivars." PeerJ 11 (September 28, 2023): e15722. http://dx.doi.org/10.7717/peerj.15722.

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Genetic improvement mainly depends on the level of genetic variability present in the population, and the degree of genetic diversity in a population largely determines the rate of genetic advancement. For analyzing genetic diversity and determining cultivar identities, a molecular marker is a useful tool. Using 30 SSR (simple sequence repeat) and 30 RAPD (randomly amplified polymorphic DNA) markers, this study evaluated the genetic divergence of 17 mango cultivars. The effectiveness of the two marker systems was evaluated using their genetic diversity characteristics. Additionally, the effect

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18

PHOUGAT, DIVYA, and S. K. SETHI. "Micronutrient specific SSR marker based diversity analysis for developing short duration wheat (Triticum aestivum)." Indian Journal of Agricultural Sciences 90, no. 4 (2020): 675–80. http://dx.doi.org/10.56093/ijas.v90i4.102146.

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Malnutrition leads to high mortality especially in developing countries. Present study comprised 11 high yielding wheat (Triticum aestivum L.) genotypes sown during rabi 2014-15 and 2015-16 and crosses attempted during 2014-15 and sown at Research Field of CCS Haryana Agricultural University, Hisar, Haryana. Forty nine microsatellite markers linked with identified QTLs for micronutrient were used for the genetic diversity assessment among bread wheat parents their F1s. Out of 49, 38 SSRs were found polymorphic which amplified a total of 76 alleles with an average of 2.00 alleles per locus. The

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Saftic-Pankovic, Dejana. "Application of molecular markers in sunflower breeding." Genetika 39, no. 1 (2007): 1–11. http://dx.doi.org/10.2298/gensr0701001s.

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The results of the application of molecular markers in sunflower breeding obtained in the Institute of Field and Vegetable Crops in the last decade are reviewed. Our results on genetic distance (GD=7-75%) between sunflower inbred lines obtained with RAPD and SSR markers, indicate large variability and provide important information for the selection of parental lines for future crosses. Interspecific hybridization is often used in sunflower breeding. As only some populations of H. giganteus and H. maximiliani are resistant to sunflower diseases, the investigation of genetic variability in/betwe

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20

Akaogu, Ijeoma Chinyere, Baffour Badu-Apraku, Vernon Gracen, et al. "Genetic Diversity and Inter-Trait Relationships among Maize Inbreds Containing Genes from Zea diploperennis and Hybrid Performance under Contrasting Environments." Agronomy 10, no. 10 (2020): 1478. http://dx.doi.org/10.3390/agronomy10101478.

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Accurate estimation of genetic variability present in tropical maize inbreds with varying reactions to Strigahermonthica infestation is essential for efficient and sustainable utilization to ensure increased genetic gain in a breeding program. Thirty-six early maturing maize inbred lines and 156 single cross hybrids were evaluated under Striga-infested and non-infested conditions in Nigeria during the 2014 and 2015 cropping seasons. Under Striga infestation, grain yield ranged from 1134 kg ha−1 for TZEI 26 × TZEI 5 to 5362 kg ha−1 for TZdEI 173 × TZdEI 280. The average yield reduction of the h

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Zlobin, Alexander S., Natalia A. Volkova, Pavel M. Borodin, Tatiana I. Aksenovich, and Yakov A. Tsepilov. "Recent advances in understanding genetic variants associated with growth, carcass and meat productivity traits in sheep (<i>Ovis aries</i>): an update." Archives Animal Breeding 62, no. 2 (2019): 579–83. http://dx.doi.org/10.5194/aab-62-579-2019.

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Abstract. Identification of quantitative trait loci (QTLs) and candidate genes that affect growth intensity is a prerequisite for the marker-assisted selection of economically important traits. The number of QTL studies on sheep is relatively small in comparison to those on cattle and pigs. The current QTL sheep database – Sheep QTLdb – contains information on 1658 QTLs for 225 different traits. A few genes and markers associated with growth, carcass and meat productivity traits have been reported. The information about QTLs from the Sheep QTLdb cannot be directly used in marker-assisted selec

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Kucherenko, Ye, A. Zviahintseva, L. Kobyzeva, et al. "Marker-assisted selection and use of molecular markers in sunflower breeding for resistance to diseases and parasites." Journal of V. N. Karazin Kharkiv National University, Series "Biology", no. 38 (June 6, 2022): 14–29. http://dx.doi.org/10.26565/2075-5457-2022-38-2.

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Recently, the problem of phytosanitary condition of sunflower crops has been exacerbated, which is associated with violation of crop rotations and, as a consequence, spread of common diseases. Selection for resistance to biotic factors requires comprehensive research into the crop biology and pathogens. The use of starting material, which is resistant to major pathogens and environmental stressors, in selection is a prerequisite for the breeding of highly productive hybrids. Significant progress in the breeding of heterosis sunflower hybrids has been achieved primarily due to stable inbred lin

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Hill, Camilla Beate, and Chengdao Li. "Genetic Improvement of Heat Stress Tolerance in Cereal Crops." Agronomy 12, no. 5 (2022): 1205. http://dx.doi.org/10.3390/agronomy12051205.

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Crop heat stress is a threat to food supply, with heatwaves expected to increase in frequency and intensity globally. In addition to yield loss, heat stress dramatically reduces fertility and seed-setting rate, grain quality and weight, and seed germination and growth. Genetic variability for heat stress tolerance can be used in breeding programs to develop tolerant genotypes. The availability of genome assemblies with high-confidence sequences for many cereal crops, including rice, maize, wheat and barley, now allows the identification of heat stress tolerance-associated genes and gene networ

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Kulibaba, Roman O., Kornsorn Srikulnath, Worapong Singchat, Yuriy V. Liashenko, Darren K. Griffin, and Michael N. Romanov. "The Application of Microsatellite Markers as Molecular Tools for Studying Genomic Variability in Vertebrate Populations." Current Issues in Molecular Biology 47, no. 6 (2025): 447. https://doi.org/10.3390/cimb47060447.

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Vertebrate molecular genetic research methods typically employ single genetic loci (monolocus markers) and those involving a variable number of loci (multilocus markers). The former often employ microsatellites that ensure accuracy in establishing inbreeding, tracking pan-generational dynamics of genetic parameters, assessing genetic purity, and facilitating genotype/phenotype correlations. They also enable the determination and identification of unique alleles by studying and managing marker-assisted breeding regimes to control the artificial selection of agriculturally important traits. Micr

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REGINAH, PHEIRIM, KONJENGBAM NOREN SINGH, T. RAJESH, et al. "Genetic variability and association study of SSR markers for yield and powdery mildew disease in pea (Pisum sativum)." Indian Journal of Agricultural Sciences 94, no. 3 (2024): 258–62. http://dx.doi.org/10.56093/ijas.v94.i3.140129.

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Makhyatmubi, one of the most popular local varieties of field pea (Pisum sativum L.) in Manipur has morpho- physiological bottlenecks such as tall nature and high susceptibility to fungus Erysiphe pisi causing powdery mildew disease. Therefore, an experiment was conducted during winter (rabi) seasons of 2018–19 and 2020–21 at College of Post-Graduate Studies in Agricultural Sciences (Central Agricultural University, Imphal, Manipur), Umiam, Meghalaya to generate genetic variability by hybridization of Makhyatmubi with Prakash variety which is a well-known powdery mildew resistant variety in In

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Channa, Abdul W., Hadi Bux, Ghulam H. Jatoi, et al. "Evaluation of Seedling Resistance and Marker Assisted Selection for Leaf Rust (Puccinia triticina) Resistance in Pakistani Wheat Landraces, Cultivars and Advanced Lines." International Journal of Phytopathology 11, no. 2 (2022): 155–69. http://dx.doi.org/10.33687/phytopath.011.02.4260.

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Leaf rust is amongst major biotic constraints of wheat (Triticum aestivum L.) having ability to cause substantial yield reductions worldwide. A continuous exploration for novel sources of resistance is pre-requisite for its management. Objectives of study were to conduct resistance evaluation of 112 Pakistani landraces and 48 advanced lines/ cultivars at seedling stage with total 10 virulent pathotypes of leaf rust, 3 from Pakistan and 7 from U.S.A and to detect closely linked markers for Lr10, 16, 34 and 67 genes through marker-assisted selection (MAS). Findings revealed most of Pakistani lan

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Butlin, R. K., and T. Tregenza. "Levels of genetic polymorphism: marker loci versus quantitative traits." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 353, no. 1366 (1998): 187–98. http://dx.doi.org/10.1098/rstb.1998.0201.

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Species are the units used to measure ecological diversity and alleles are the units of genetic diversity. Genetic variation within and among species has been documented most extensively using allozyme electrophoresis. This reveals wide differences in genetic variability within, and genetic distances among, species, demonstrating that species are not equivalent units of diversity. The extent to which the pattern observed for allozymes can be used to infer patterns of genetic variation in quantitative traits depends on the forces generating and maintaining variability. Allozyme variation is pro

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Maya Bisen, Shourabh Joshi, Rahul Bhardwaj, et al. "A Genetic Treasure Trove: Wild Relatives and Landraces in the Genomic Era of Indian Mustard (Brassica juncea)." Journal of Advances in Biology & Biotechnology 28, no. 6 (2025): 1532–42. https://doi.org/10.9734/jabb/2025/v28i62507.

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Indian mustard (Brassica juncea L.) holds significant agronomic value globally, particularly across South and Southeast Asia, where it is cultivated both as an oilseed and leafy vegetable crop. However, breeding efforts in B. juncea have been hindered by its relatively narrow genetic base, a consequence of repeated selection for a limited number of traits over generations. This genetic bottleneck compromises its adaptability and increases susceptibility to various biotic and abiotic stresses. Recent advancements in genomics, molecular breeding, and the strategic use of wild relatives offer pro

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Dixon, Liam S., Jayfred V. Godoy, and Arron H. Carter. "Evaluating the Utility of Carbon Isotope Discrimination for Wheat Breeding in the Pacific Northwest." Plant Phenomics 2019 (August 29, 2019): 1–11. http://dx.doi.org/10.34133/2019/4528719.

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Many wheat (Triticum aestivum L.) production regions are threatened annually by drought stress. Carbon isotope discrimination (Δ) has been identified as a potentially useful trait in breeding for improved drought tolerance in certain environments. Broad use of Δ as a selection criterion is limited, however, mainly due to an inconsistent relationship observed between grain yield and Δ and, to a lesser extent, because of the high resource demand associated with phenotyping. The efficiency of selection may be improved by the identification and verification of molecular markers for use in marker-a

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Ben Romdhane, Mériam, Leila Riahi, Raghda Yazidi, Ahmed Mliki, and Nejia Zoghlami. "Cross transferability of barley nuclear SSRs to pearl millet genome provides new molecular tools for genetic analyses and marker assisted selection." Open Agriculture 7, no. 1 (2022): 668–78. http://dx.doi.org/10.1515/opag-2022-0132.

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Abstract Pearl millet (Pennisetum glaucum (L.) R. Br.) is a valuable agronomic and industrial promising crop with high adaptation potentials considered as understudied species and is not attributed the interest it deserves. This investigation reports for the first time the transferability of barley nuclear microsatellites to pearl millet genome. This allowed the inference of the considerable potential of transferability of the nuclear simple sequence repeats (nSSRs) mapped from Hordeum vulgare L. genome to P. glaucum species. Out of the 42 tested SSRs, ten were found to be transferable, giving

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Carputo, D., D. Alioto, R. Aversano, et al. "Genetic diversity among potato species as revealed by phenotypic resistances and SSR markers." Plant Genetic Resources 11, no. 2 (2013): 131–39. http://dx.doi.org/10.1017/s1479262112000500.

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The evolutionary diversity of wild potato species makes them excellent materials for improving the narrow genetic basis of the cultivated potato Solanum tuberosum. Understanding their genetic diversity is important not only to choose the best parents for breeding, but also to design proper crossing schemes and selection strategies. The objectives of this study were to determine the resistance response to Ralstonia solanacearum, Potato virus Y and low temperatures of 21 clones of 12 potato species, and to determine their genetic diversity through simple sequence repeat (SSR) markers. Sources of

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Egena, S. S. A., and R. O. Alao. "Haemoglobin polymorphism in selected farm animals: A review." Biotehnologija u stocarstvu 30, no. 3 (2014): 377–90. http://dx.doi.org/10.2298/bah1403377e.

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Biochemical diversity or polymorphism is the occurrence of varieties attributed to biochemical differences which are under genetic control. It has created a leeway for the genetic improvement of farm animals. This is because it can be used as a useful tool for the characterization of livestock breeds and population. This way, the degree of similarity or differences within and between breeds can be ascertained and this differences or similarity are important raw materials for genetic improvement of animals. Data obtained on gene frequencies and genotypes through polymorphism study makes it not

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Pinto, Jefferson Fernando Naves, Cristiane Iracema Monteiro Estevão, Alexandre Siqueira Guedes Coelho, Danival Vieira de Freitas, and Edésio Fialho dos Reis. "Identification of molecular marks associated with early flowering in Campomanesia adamantium (Cambess.) O. Berg." CONTRIBUCIONES A LAS CIENCIAS SOCIALES 17, no. 12 (2024): e12907. http://dx.doi.org/10.55905/revconv.17n.12-279.

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Campomanesia adamantium is a fruit species of the Cerrado Biome that stands out for having high economic potential and significant genetic variability. Therefore, knowledge on its development and genetic variability is fundamental to define domestication and genetic improvement actions. In this context, identification of molecular marks that may be related to the early flowering of C. adamantium can provide bases for the assisted selection of early plants at nursery level. The objective of this study was to identify molecular marks associated with early flowering in C. adamantium accessions, u

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Mehrzad, Jalil, and Pouya Houshmand. "Immunogenetics Properties of Avian MHC Polymorphism and its Association with Diseases and Production Traits." Journal of Poultry Sciences and Avian Diseases 3, no. 3 (2025): 40–46. https://doi.org/10.61838/kman.jpsad.3.3.6.

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Avian immunogenetics has emerged as a critical field in understanding the genetic basis of disease resistance and immune competence in poultry. Though structurally simpler than its mammalian counterpart, the Major Histocompatibility Complex (MHC) in chickens plays a pivotal role in pathogen defense due mainly to MHC’s high polymorphism and dominant allelic expression patterns. Unlike mammals, where MHC class I and II molecules exhibit co-dominant expression, chickens predominantly express a single MHC class I molecule, leading to a binary resistance/susceptibility outcome against specific path

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Kumar, Raj, Smriti Varghese, Deepanshu Jayaswal, et al. "Agro-morphological and genetic variability analysis in oat germplasms with special emphasis on food and feed." PLOS ONE 18, no. 2 (2023): e0280450. http://dx.doi.org/10.1371/journal.pone.0280450.

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The gaining attention of underutilized oat crops for both food and feed, mining of quality and yield related genes/QTLs from available germplasms of oat is need of the hour. The large family of grasses has a vast number of germplasms that could be harnessed for bio-prospecting. The selection of cross-compatible oat germplasms by molecular markers could be used for the introgression of the novel traits into the elite background of oats. The process needs a thorough study of genetic diversity to see the evolutionary relatedness among germplasms. Considering this, in the present study, the geneti

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Peiró, Rosa, Jaume X. Soler, Andrés Crespo, Carles Jiménez, Félix Cabello, and Carmina Gisbert. "Genetic variability assessment in ‘Muscat’ grapevines including ‘Muscat of Alexandria’ clones from selection programs." Spanish Journal of Agricultural Research 16, no. 2 (2018): e0702. http://dx.doi.org/10.5424/sjar/2018162-12537.

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Genetic variability is needed to face environmental changes and pathogen constrains. In addition, the search for intravarietal variability contributes to the avoidance of genetic erosion, preserving clones that are adapted to particular conditions. Variability is also important to diversify grapevine-derived products. In this work, we have analyzed the genetic variability of ‘Muscat germplasm’ including samples from neglected vineyards from Alicante and Valencia provinces, accessions of the germplasm collections of ‘Colección de Vides de El Encín’ (Alcalá de Henares, Madrid) and ‘La Casa de la

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Ankit Dhillon, Neeraj Kumar, Ram Avtar, Manjeet Singh, and Mahavir Bishnoi. "Assessment of genetic diversity for salinity tolerance in Indian mustard using SSR markers." Journal of Oilseed Brassica 16, no. 1 (2025): 110–16. https://doi.org/10.56093/job.v16i1.16.

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Salinity presents a major challenge for Indian mustard cultivation, especially during the seedling stage in salt-affected soils. Developing salt-tolerant mustard lines through targeted breeding, supported by germplasm screening and genetic variability assessment, can enable cultivation in these areas. This study aimed to evaluate salinity tolerance and assess genetic diversity among 48 Indian mustard genotypes under greenhouse conditions at the seedling stage, exposed to control, 8 dSm-1, and 12 dSm-1 salinity stress levels. Molecular diversity was analysed using 59 SSR primers, of which 24 po

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Chatterjee, S. N., and T. P. Mohandas. "Identification of ISSR markers associated with productivity traits in silkworm, Bombyx mori L." Genome 46, no. 3 (2003): 438–47. http://dx.doi.org/10.1139/g03-024.

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Bombyx mori L., commonly recognised around the world as the mulberry silkworm, is characterized by a wide variability in yield and developmental traits, which have been proven through conventional genetic analysis to be of polygenic nature. A large number of morpho-biochemical traits and RFLP and RAPD markers are mapped on different linkage groups, but to this point very little attention has been given to unravelling the genetics of yield traits. To address this issue, polymorphic profiles of 147 markers generated with 12 ISSR primers on the genomic DNA of 20 silkworm stocks of diverse yield s

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Pretini, Nicole, María P. Alonso, Leonardo S. Vanzetti, Ana C. Pontaroli, and Fernanda G. González. "The physiology and genetics behind fruiting efficiency: a promising spike trait to improve wheat yield potential." Journal of Experimental Botany 72, no. 11 (2021): 3987–4004. http://dx.doi.org/10.1093/jxb/erab080.

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Abstract Fruiting efficiency (FE, grains per g of spike dry weight at anthesis) was proposed as a promising spike trait to improve wheat yield potential, based on its functional relationship with grain number determination and the evidence of trait variability in elite germplasm. During the last few years, we have witnessed great advances in the understanding of the physiological and genetic basis of this trait. The present review summarizes the recent heritability estimations and the genetic gains obtained when fruiting efficiency was measured at maturity (FEm, grains per g of chaff) and used

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Bhattarai, Uttam, and Prasanta K. Subudhi. "Genetic Diversity, Population Structure, and Marker-Trait Association for Drought Tolerance in US Rice Germplasm." Plants 8, no. 12 (2019): 530. http://dx.doi.org/10.3390/plants8120530.

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Drought is a major constraint in some rice-growing areas of the United States. Its impact is most severe at the reproductive stage resulting in low grain yield. Therefore, assessment of genetic and phenotypic variation for drought tolerance in US rice germplasm is necessary to accelerate the breeding effort. Evaluation of 205 US rice genotypes for drought tolerance at the reproductive stage revealed tolerant response in rice genotypes Bengal, Jupiter, Cypress, Jazzman, Caffey, and Trenasse. Harvest index and fresh shoot weight were identified as important traits to explain the majority of vari

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Ullah, Muti, Hafiz Mohsin Akram Babar, and Muhammad Faizan Malik. "Assessing Intraspecific Genetic Variability in Cannabis sativa Populations of Punjab Pakistan Using RAPD and DNA Barcode Markers." Phytopathogenomics and Disease Control 2, no. 2 (2023): 111–18. http://dx.doi.org/10.22194/pdc/2.1011.

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Cannabis sativa possess substantial amount of omega-3 fatty acids and several medicinal benefits with potential secondary metabolites. This study employed rbcL, matK, and trnH-psbA barcode markers and RAPD marker to explore genetic diversity in C. sativa populations in Punjab, Pakistan. In population genetic study using DNA barcode markers, cladogram showed investigated samples were genetically similar; however, demonstrated significant genetic diversity with the available DNA sequences of this plant from other regions and countries. The nucleotide sequence variation (% divergence) indicated h

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Yanda, Focus Edson, and George Muhamba Tryphone. "Microsatellite Analysis of Common Bean (Phaseolus vulgaris L.) Genotypes in Tanzania for Diversity in Seed Iron and Zinc Micronutrients." Greener Journal of Plant breeding and Crop Science, 11, no. 1 (2023): 1–12. https://doi.org/10.5281/zenodo.7655383.

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<strong>Common bean (<em>Phaseolus vulgaris</em> L.) grain has big dietary role in supplying protein, energy, vitamins, dietary fibre and micronutrients for millions of people worldwide. In Tanzania, reports have shown existence of Fe and Zn micronutrient variabilities among the common bean genotypes. Eighty-four (84) genotypes were collected to study such variability by seed biochemical and leaf molecular marker analysis. The analyses revealed significant (p < 0.001) genetic variability for seed Zn and Fe nutrient contents. Highest seed Fe content was 118 ppm for genotype <em>Kashiransoni<

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Zlobin, Alexander S., Natalia A. Volkova, Pavel M. Borodin, Tatiana I. Aksenovich, and Yakov A. Tsepilov. "PSX-14 Recent advances in understanding genetic variants associated with growth, carcass and meat productivity traits in sheep (Ovis aries): an update." Journal of Animal Science 97, Supplement_3 (2019): 461. http://dx.doi.org/10.1093/jas/skz258.908.

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Abstract Identification of quantitative trait loci (QTL) and candidate genes that affect growth intensity is a prerequisite for the marker-assisted selection for economically important traits. The number of QTL studies on sheep is relatively small in comparison to those on cattle and pigs. Current QTL Sheep database (Sheep QTLdb) contains information on 1658 QTL for 225 different traits. A few genes and markers associated with growth, carcass and meat productivity traits have been reported. The information about QTLs from the Sheep QTLdb cannot be directly used in marker assisted selection due

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Pylypenko, L., V. Blok, and M. Phillips. "Phylogenetic Affi nities of the Globodera pallida Inferred From the mtDNA cyt-b Gene Polymorphism." Agricultural Science and Practice 1, no. 2 (2014): 3–11. http://dx.doi.org/10.15407/agrisp1.02.003.

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The mitochondrial cytochrome b gene marker was used to investigate the genetic variability of G. pallida populations of different origins and selection on three sources of resistance. Aim. To sequence the mitochon- drial gene cyt-b and to clarify its application as a genetic marker for intraspecifi c genetic diversity study, phylogenetic analysis and nematode virulence assessment. Methods. The cysts of nematodes were used as a source for DNA extraction. Polymerase chain reaction was performed using the specifi c primers of INRAcytbL and INRAcytbR, followed by the amplifi ed product sequencing.

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Awuku, F. J., F. Kusi, J. S. Eleblu, et al. "Genetic purity and polymorphic marker evaluation of cowpea genotypes." African Crop Science Journal 33, no. 2 (2025): 113–36. https://doi.org/10.4314/acsj.v33i2.2.

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Genetic purity and availability of polymorphic markers are fundamental pre-breeding requirements for accelerating crop improvement research. The objective of this study was to assess the purity of cowpea genotypes and evaluate the genotypes through morphological and molecular techniques. Fourteen cowpea genotypes were subjected to purity testing using 15 SSRs and converted-SNP markers. Genotypes including Bigbean, SpM028, Magic201, Alan Cash and IT82E-18 were identified as 100% pure at the loci tested. Field evaluation revealed high variability, with Bigbean, Alan cash, SpM028 and Padituya hav

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Weimer, Tania de Azevedo, Clara Sabina Steigleder, Márcia Silveira Machado, et al. "Identification of molecular markers on bovine chromosome 18 associated to calving interval in a Brangus-Ibagé cattle herd." Ciência Rural 37, no. 5 (2007): 1502–5. http://dx.doi.org/10.1590/s0103-84782007000500050.

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In the detection phase of a bovine marker assisted selection program, this paper investigated the genetic variability of three microsatellites on the chromosome 18 (BTA 18). The possible associations between genotypes or alleles of these markers versus weight at first calving and a lifetime calving interval (as indicators of reproductive performance) were evaluated in a beef cattle herd (5/8 Aberdeen Angus x 3/8 Nelore). Eleven alleles were detected in TGLA227 and ILSTS002 and three in BMS3004, the most frequent being TGLA227*79, ILSTS002*133, ILSTS002*135 and BMS3004*129. Polymorphic informat

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Kassie, Molla Mekonnen, Tiegist Dejene Abebe, Ermias Abate Desta, and Wuletaw Tadesse. "Genome-wide association analysis of Septoria tritici blotch for adult plant resistance in elite bread wheat (Triticum aestivum L) genotypes." PLOS ONE 20, no. 3 (2025): e0317603. https://doi.org/10.1371/journal.pone.0317603.

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Septoria tritici blotch (STB) is a predominant foliar disease of wheat, caused by the pathogen Zymoseptoria tritici. This disease can lead to substantial yield losses warranting control by using expensive fungicides. One effective method of STB control is the utilization of resistant wheat varieties. In this particular study, a panel comprising of 186 bread wheat genotypes was assessed for their adult plant resistance (APR) to STB. Field trials were conducted across five environments in Ethiopia during the 2022 and 2023 growing seasons under natural infestation conditions. The association pane

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Başak, Hakan, Gölge Sarikamiş, Gamze Çakirer, and Alev Ateş. "Genetic characterization of pepper (Capsicum annuum L.) genotypes from central Anatolia with SSR and SCAR markers." Genetika 54, no. 3 (2022): 1171–82. http://dx.doi.org/10.2298/gensr2203171b.

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The major objective in pepper breeding programs is to generate high yielding novel varieties resistant to pests and diseases, tolerant to abiotic stress conditions with improved fruit quality traits including capsaicin content. Germplasm collections are important sources of variability for breeding studies. Molecular markers are important tools to evaluate genetic relationships among germplasm collections. Moreover, markers are used to select the genotypes conferring the desired traits via marker-assisted selection (MAS) as a powerful approach accelerating breeding programs. In the current stu

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FOCUS EDSON, YANDA, and TRYPHONE GEORGE MUHAMBA. "MICROSATELLITE ANALYSIS OF COMMON BEAN (PHASEOLUS VULGARIS L.) GENOTYPES IN TANZANIA FOR DIVERSITY IN SEED IRON AND ZINC MICRONUTRIENTS." Greener Journal of Plant breeding and Crop Science 11, no. 1 (2023): 1–12. https://doi.org/10.15580/gjpbcs.2023.1.011723005.

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Common bean (Phaseolus vulgaris L.) grain has big dietary role in supplying protein, energy, vitamins, dietary fibre and micronutrients for millions of people worldwide. In Tanzania, reports have shown existence of Fe and Zn micronutrient variabilities among the common bean genotypes. Eighty-four (84) genotypes were collected to study such variability by seed biochemical and leaf molecular marker analysis. The analyses revealed significant (p < 0.001) genetic variability for seed Zn and Fe nutrient contents. Highest seed Fe content was 118 ppm for genotype Kashiransoni and for seed Zn was 5

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Bukan, Miroslav, Zoe Andrijanić, Ivan Pejić, et al. "Validation of Molecular Markers for Low Kunitz Trypsin Inhibitor Content in European Soybean (Glycine max L. Merr.) Germplasm." Genes 15, no. 8 (2024): 1028. http://dx.doi.org/10.3390/genes15081028.

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Trypsin inhibitors (TI) in raw soybean grain, mainly represented by the Kunitz trypsin inhibitor protein (KTI), prevent the normal activity of the digestive enzymes trypsin and chymotrypsin in humans and monogastric livestock. The inactivation of TI is achieved through costly and time-consuming heat treatment. Thermal processing also impairs the solubility and availability of the soybean grain protein. Therefore, the genetic elimination of KTI has been proposed as a suitable alternative to heat treatment. The aim of this study was to screen the collection of European soybean cultivars with six

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