Thematische Bibliographien / Locusts Genetics

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „Locusts Genetics“

Autor: Grafiati
Veröffentlicht am 4. Juni 2021
Zuletzt aktualisiert am 6. Februar 2022

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Zeitschriftenartikel zum Thema "Locusts Genetics"

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Zhao, Lianfeng, Wei Guo, Feng Jiang, Jing He, Hongran Liu, Juan Song, Dan Yu und Le Kang. „Phase-related differences in egg production of the migratory locust regulated by differential oosorption through microRNA-34 targeting activinβ“. PLOS Genetics 17, Nr. 1 (06.01.2021): e1009174. http://dx.doi.org/10.1371/journal.pgen.1009174.

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Outbreaks of locust plagues result from the long-term accumulation of high-density egg production. The migratory locust, Locusta migratoria, displays dramatic differences in the egg-laid number with dependence on population density, while solitarious locusts lay more eggs compared to gregarious ones. However, the regulatory mechanism for the egg-laid number difference is unclear. Herein, we confirm that oosorption plays a crucial role in the regulation of egg number through the comparison of physiological and molecular biological profiles in gregarious and solitarious locusts. We find that gregarious oocytes display a 15% higher oosorption ratio than solitarious ones. Activinβ (Actβ) is the most highly upregulated gene in the gregarious terminal oocyte (GTO) compared to solitarious terminal oocyte (STO). Meanwhile, Actβ increases sharply from the normal oocyte (N) to resorption body 1 (RB1) stage during oosorption. The knockdown of Actβ significantly reduces the oosorption ratio by 13% in gregarious locusts, resulting in an increase in the egg-laid number. Based on bioinformatic prediction and experimental verification, microRNA-34 with three isoforms can target Actβ. The microRNAs display higher expression levels in STO than those in GTO and contrasting expression patterns of Actβ from the N to RB1 transition. Overexpression of each miR-34 isoform leads to decreased Actβ levels and significantly reduces the oosorption ratio in gregarious locusts. In contrast, inhibition of the miR-34 isoforms results in increased Actβ levels and eventually elevates the oosorption ratio of solitarious locusts. Our study reports an undescribed mechanism of oosorption through miRNA targeting of a TGFβ ligand and provides new insights into the mechanism of density-dependent reproductive adaption in insects.
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Nishide, Yudai, und Seiji Tanaka. „Occurrence and genetics of black-eyed migratory locusts,Locusta migratoria(Orthoptera: Acrididae)“. Entomological Science 19, Nr. 1 (Januar 2016): 20–24. http://dx.doi.org/10.1111/ens.12161.

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Mullié, Wim C., Robert A. Cheke, Stephen Young, Abdou Baoua Ibrahim und Albertinka J. Murk. „Increased and sex-selective avian predation of desert locusts Schistocerca gregaria treated with Metarhizium acridum“. PLOS ONE 16, Nr. 1 (04.01.2021): e0244733. http://dx.doi.org/10.1371/journal.pone.0244733.

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The entomopathogenic fungus Metarhizium acridum in oil-based formulations (Green Muscle® (GM)) is a biopesticide for locust control lacking side-effects on biodiversity, unlike chemical insecticides. Under controlled conditions, GM-treated locusts and grasshoppers attract predators, a complementary advantage in locust control. We assessed avian predation on a population of desert locusts in northern Niger aerially sprayed operationally with GM with 107 g viable conidia ha-1. Populations of adult locusts and birds and vegetation greenness were assessed simultaneously along two transects from 12 days before until 23 days after treatment. Common kestrels Falco tinnunculus and lanners F. biarmicus were the predominant avian predators. Regurgitated pellets and prey remains were collected daily beneath “plucking posts” of kestrels. Locusts started dying five days post-spray and GM had its maximum effect one-two weeks after the spray, with 80% efficacy at day 21. After spraying, bird numbers increased significantly (P<0.05) concurrent with decreasing desert locust densities. Locust numbers decreased significantly (P<0.001) with both time since spraying and decreasing greenness. Before spraying, kestrel food remains under plucking posts accounted for 34.3 ±13.4 prey items day-1, of which 31.0 ±11.9 were adult desert locusts (90.3%), reducing post-spray to 21.1 ±7.3 prey items day-1, of which19.5 ±6.7 were adult desert locusts (92.5%), attributable to decreased use of the plucking-posts by the kestrels rather than an effect of the spray. After spraying, kestrels took significantly (P<0.05) more larger female (75–80%) than smaller male (20–25%) locusts. Avian predation probably enhanced the impact of the GM on the desert locust population, especially by removing large adult females. No direct or indirect adverse side-effects were observed on non-target organisms including locust predators such as ants and birds. These substantial ecological advantages should also be considered when choosing between conventional chemical and biopesticide-based locust control.
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Simpson, Stephen J., und Gregory A. Sword. „Locusts“. Current Biology 18, Nr. 9 (Mai 2008): R364—R366. http://dx.doi.org/10.1016/j.cub.2008.02.029.

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Coggan, Nicole, Fiona J. Clissold und Stephen J. Simpson. „Locusts use dynamic thermoregulatory behaviour to optimize nutritional outcomes“. Proceedings of the Royal Society B: Biological Sciences 278, Nr. 1719 (02.02.2011): 2745–52. http://dx.doi.org/10.1098/rspb.2010.2675.

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Because key nutritional processes differ in their thermal optima, ectotherms may use temperature selection to optimize performance in changing nutritional environments. Such behaviour would be especially advantageous to small terrestrial animals, which have low thermal inertia and often have access to a wide range of environmental temperatures over small distances. Using the locust, Locusta migratoria , we have demonstrated a direct link between nutritional state and thermoregulatory behaviour. When faced with chronic restrictions to the supply of nutrients, locusts selected increasingly lower temperatures within a gradient, thereby maximizing nutrient use efficiency at the cost of slower growth. Over the shorter term, when locusts were unable to find a meal in the normal course of ad libitum feeding, they immediately adjusted their thermoregulatory behaviour, selecting a lower temperature at which assimilation efficiency was maximal. Thus, locusts use fine scale patterns of movement and temperature selection to adjust for reduced nutrient supply and thereby ameliorate associated life-history consequences.
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Santos, Dulce, Jozef Vanden Broeck und Niels Wynant. „Systemic RNA interference in locusts: reverse genetics and possibilities for locust pest control“. Current Opinion in Insect Science 6 (Dezember 2014): 9–14. http://dx.doi.org/10.1016/j.cois.2014.09.013.

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Georgiou, Fillipe, Jerome Buhl, J. E. F. Green, Bishnu Lamichhane und Ngamta Thamwattana. „Modelling locust foraging: How and why food affects group formation“. PLOS Computational Biology 17, Nr. 7 (07.07.2021): e1008353. http://dx.doi.org/10.1371/journal.pcbi.1008353.

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Locusts are short horned grasshoppers that exhibit two behaviour types depending on their local population density. These are: solitarious, where they will actively avoid other locusts, and gregarious where they will seek them out. It is in this gregarious state that locusts can form massive and destructive flying swarms or plagues. However, these swarms are usually preceded by the aggregation of juvenile wingless locust nymphs. In this paper we attempt to understand how the distribution of food resources affect the group formation process. We do this by introducing a multi-population partial differential equation model that includes non-local locust interactions, local locust and food interactions, and gregarisation. Our results suggest that, food acts to increase the maximum density of locust groups, lowers the percentage of the population that needs to be gregarious for group formation, and decreases both the required density of locusts and time for group formation around an optimal food width. Finally, by looking at foraging efficiency within the numerical experiments we find that there exists a foraging advantage to being gregarious.
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Despland, Emma, und Stephen J. Simpson. „Resource distribution mediates synchronization of physiological rhythms in locust groups“. Proceedings of the Royal Society B: Biological Sciences 273, Nr. 1593 (29.03.2006): 1517–22. http://dx.doi.org/10.1098/rspb.2006.3471.

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Synchronized behaviour is common in animal groups. In ant colonies, synchronization occurs because active ants stimulate their neighbours to activity. We use oscillator theory to explain how stimulation from active neighbours synchronizes activity in groups of solitarious locusts via entrainment of internal physiological rhythms. We also show that the spatial distribution of food resources controls coupling between individual locusts and the emergence of synchronized activity. In locusts ( Schistocerca gregaria ), individual schedules of activity and quiescence arise from an irregular physiological oscillation in feeding excitation (i.e. hunger). We show that contact with an active neighbour increases the probability that a locust becomes active. This entrained activity decreases the time until the locust feeds, shifting the phase of its hunger oscillation. The locusts' internal physiological rhythms are thus brought into alignment and their activity becomes synchronized. When food resources are clumped, contact with active locusts increases, and this increase in the strength of coupling between individuals leads to greater synchronization of behaviour. Activity synchronization might have functional significance in inhibiting swarming when resources are dispersed and accelerating it in more favourable clumped environments.
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Gordon, Shira D., Joseph C. Jackson, Stephen M. Rogers und James F. C. Windmill. „Listening to the environment: hearing differences from an epigenetic effect in solitarious and gregarious locusts“. Proceedings of the Royal Society B: Biological Sciences 281, Nr. 1795 (22.11.2014): 20141693. http://dx.doi.org/10.1098/rspb.2014.1693.

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Locusts display a striking form of phenotypic plasticity, developing into either a lone-living solitarious phase or a swarming gregarious phase depending on population density. The two phases differ extensively in appearance, behaviour and physiology. We found that solitarious and gregarious locusts have clear differences in their hearing, both in their tympanal and neuronal responses. We identified significant differences in the shape of the tympana that may be responsible for the variations in hearing between locust phases. We measured the nanometre mechanical responses of the ear's tympanal membrane to sound, finding that solitarious animals exhibit greater displacement. Finally, neural experiments signified that solitarious locusts have a relatively stronger response to high frequencies. The enhanced response to high-frequency sounds in the nocturnally flying solitarious locusts suggests greater investment in detecting the ultrasonic echolocation calls of bats, to which they are more vulnerable than diurnally active gregarious locusts. This study highlights the importance of epigenetic effects set forth during development and begins to identify how animals are equipped to match their immediate environmental needs.
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Verlinden, Heleen, Lieven Sterck, Jia Li, Zhen Li, Anna Yssel, Yannick Gansemans, Rik Verdonck et al. „First draft genome assembly of the desert locust, Schistocerca gregaria“. F1000Research 9 (21.05.2021): 775. http://dx.doi.org/10.12688/f1000research.25148.2.

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Background: At the time of publication, the most devastating desert locust crisis in decades is affecting East Africa, the Arabian Peninsula and South-West Asia. The situation is extremely alarming in East Africa, where Kenya, Ethiopia and Somalia face an unprecedented threat to food security and livelihoods. Most of the time, however, locusts do not occur in swarms, but live as relatively harmless solitary insects. The phenotypically distinct solitarious and gregarious locust phases differ markedly in many aspects of behaviour, physiology and morphology, making them an excellent model to study how environmental factors shape behaviour and development. A better understanding of the extreme phenotypic plasticity in desert locusts will offer new, more environmentally sustainable ways of fighting devastating swarms. Methods: High molecular weight DNA derived from two adult males was used for Mate Pair and Paired End Illumina sequencing and PacBio sequencing. A reliable reference genome of Schistocerca gregaria was assembled using the ABySS pipeline, scaffolding was improved using LINKS. Results: In total, 1,316 Gb Illumina reads and 112 Gb PacBio reads were produced and assembled. The resulting draft genome consists of 8,817,834,205 bp organised in 955,015 scaffolds with an N50 of 157,705 bp, making the desert locust genome the largest insect genome sequenced and assembled to date. In total, 18,815 protein-encoding genes are predicted in the desert locust genome, of which 13,646 (72.53%) obtained at least one functional assignment based on similarity to known proteins. Conclusions: The desert locust genome data will contribute greatly to studies of phenotypic plasticity, physiology, neurobiology, molecular ecology, evolutionary genetics and comparative genomics, and will promote the desert locust’s use as a model system. The data will also facilitate the development of novel, more sustainable strategies for preventing or combating swarms of these infamous insects.
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Dissertationen zum Thema "Locusts Genetics"

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Nordquist, Niklas. „Genetic Studies of Rheumatoid Arthritis using Animal Models“. Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2001. http://publications.uu.se/theses/91-554-5117-9/.

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Souleman, Dima. „Genetic consequences of colonization of a metal-polluted environment, population genetics and quantitative genetics approaches“. Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10006/document.

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Les habitats naturels sont de plus en plus détruits et fragmentés par l'expansion urbaine et les activités humaines. La fragmentation des espaces naturels et agricoles par les bâtiments et les nouvelles infrastructures affecte la taille, la connectivité et la qualité des habitats. Les populations d’organismes vivants sur ces territoires anthropisés sont alors plus isolées. Or, la différenciation entre populations d’un même organisme dépend de processus démographiques et génétiques tels que la dérive génétique, le flux génétique, la mutation et la sélection naturelle. La persistance et le développement des populations dans des conditions environnementales modifiées dépendent de mécanismes de tolérance. Dans ce contexte, l'introduction de contaminants tels que des métaux dans l'environnement peut influencer l'évolution des plantes et des animaux en modifiant les forces évolutives et en créant des différences entre populations. Dans ce travail, l’attention a été portée sur les conséquences génétiques de la pollution métallique sur deux espèces, le ver de terre Lumbricus terrestris et une plante modèle Arabidopsis halleri. Deux approches différentes ont été utilisées pour étudier la réponse génétique à la contamination métallique : une approche de génétique des populations chez L. terrestris et une approche de génétique quantitative chez A. halleri. Tout d’abord, il s’est agi d’identifier et de valider de nouveaux marqueurs microsatellites chez L. terrestris. Ensuite, ces marqueurs ont été utilisés afin de caractériser la diversité génétique neutre chez des vers collectés sur des sites agricoles et urbanisés. Parallèlement, l'architecture génétique de la tolérance et de l'hyperaccumulation de Zn chez A. halleri a été explorée à l’aide d’un croisement intraspécifique entre une population métallicole et une population non métallicole. Une densité élevée de marqueurs SNP a été utilisée pour procéder à l'étape de cartographie QTL
Natural habitats are more and more destructed and fragmented by urban expansion and human activities. The fragmentation of natural and agricultural areas by buildings and new infrastructures affects the size, connectivity and the quality of habitats. The populations of organisms inhabiting these anthropized territories are then more isolated. However, differentiation between populations of the same organism depends on demographic and genetic processes such as genetic drift, gene flow, mutation and natural selection. Only species that have developed special tolerance mechanisms can persist under changed environmental conditions. The introduction of contaminants such as metals in the environment may influence plants and animals evolution by modifying the evolutionary forces and thus generating differences between populations. In this work, attention was focused on the genetic consequences of metallic pollution on two species, the earthworm Lumbricus terrestris and the plant model Arabidopsis halleri. Two different approaches have been used to study the genetic response to metallic contamination: a population genetic approach was performed in L. terrestris and a quantitative genetic approach was carried on in A. halleri. First, it was a question of identifying and validating new microsatellite markers in L. terrestris. These markers were then used to characterize the neutral genetic diversity in worms collected from agricultural and urban sites. Secondly, genetic architecture of Zn tolerance and Zn hyperaccumulation was conducted investigated for the first time using an intraspecific crossing between metallicolous and non-metallicolous individuals of A. halleri. High density of SNP markers was used to proceed to the QTL mapping step
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Wright, Galen Egan Buckley. „Molecular genetic analysis of two genes, CYP2D6 and COMT, in the schizophrenia-susceptibility locus on chromosome 22q in the Xhosa population“. Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20366.

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Cowie, Philip David. „Analysis of the effects of disease-associated variation within a cis-regulatory element of the CNR1 locus on CNR1 promoter dynamics“. Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=225652.

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Genetic variation within the cannabinoid 1 receptor (CB1R) locus (CNR1) has been repeatedly associated with drug addiction pathologies. Genomic annotation of CNR1 indicates the vast majority of this genetic variation likely results in altered transcriptional regulation of the CNR1 gene as a mechanistic link to the disease phenotype. There is a lack of information describing the regulation of CNR1 transcription and the potential impact of disease-associated variation within the CNR1 locus on its transcriptional regulation. This study investigates the impact of an evolutionary conserved regulatory region of CNR1, termed ECR1, and the disease-associated variation contained within, on the transcriptional activity of the cognate CNR1 promoter region. Reporter assays conducted in primary hippocampal cells demonstrate that CNR1 promoter exhibits variable transcriptional activity during periods of CB1R signalling and cell depolarisation. Coupled to allelic variants of ECR1, the CNR1 promoter shows significant changes in transcriptional activity under resting conditions indicating that disease-associated variation within ECR1 may decrease CNR1 transcription. Further, alleles of ECR1 can drive allele-specific transcriptional responses from the CNR1 promoter during periods of CB1R stimulation and cell depolarisation. The results highlight the potential for disease-associated regulatory variation of the CNR1 locus to create stratified transcriptional responses to specific cell signalling scenarios and putatively to clinical strategies employing pharmacological agents. Furthermore, investigation of DNA-protein interactions at the allelic ECR1 region demonstrate that disease-associated variation within ECR1 alters DNA-protein interactions within the nucleus consistent with a decrease in transcriptional activity in the disease-associated allele variant. Collectively the current work supports the hypothesis that disease-associated variation within the ECR1 regulatory region of the CNR1 locus has the capacity to significantly impact on CNR1 promoter transcriptional activity. It is posited that allele-specific transcriptional effects may have a major impact on the susceptibility of individuals to drug addiction or on responses to clinical pharmacological treatments.
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Armbruster, Steven C. (Steven Christopher). „Characterization of the OCT Plasmid-Encoded Mercury Resistance Genetic Locus in Pseudomonas putida“. Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc500381/.

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A 17.1 Kb genetic element encoding for mercury resistance (OCT-Hg^r) was shown to translocate from its original location on the OCT plasmid to the resistance plasmid, RPl, in Pseudomonas putida. Analysis of RPl-Hg^r recombinant plasmids revealed that insertion of mercury resistance genes into RPl could occur at a variety of sites, with all recombinants having common EcoRI restriction fragments of 9.4, 3.8, 2.3, and 1.6 Kb, derived from the insertion. Hybridization analysis suggested the existence of extensive homology between this insertion and the prototypic mercury resistance transposon, Tn501, as well as the location of a similar merA sequence. Although the overall size was shown to be quite different from Tn501, striking physical similarities are shared between these two elements.
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Porter, Susan Dorothy. „Molecular genetic analysis of the saccharomyces cerevisiae Mat Locus“. Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/29166.

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The MAT∝ locus of the yeast Saccharomyces cerevisiae encodes two regulatory proteins responsible for determining the ∝cell type. The MAT∝1 gene encodes ∝1, a positive regulator of ∝cell-specific genes, whereas the MAT∝2 gene encodes a negative regulator of a cell-specific genes (∝2). MAT∝2. (in conjunction with the MATα1 gene) also determines the α/∝ diploid cell type by repressing haploid-specific genes. ∝2 exerts its effect at the transcriptional level in the ∝ cell by binding to a sequence located upstream of α cell-specific genes. The present study undertook to examine, through in vitro genetic manipulation, the structure/function relationship of the MAT∝ regulatory proteins, particularly∝2, in their role as gene regulators. The construction of mutant MAT∝2 genes containing termination codons at various points within the gene, and subsequent transformation of the mutant genes into mat∝2 yeast, indicated that the carboxy-terminal one-third of the gene product was necessary for full repressor activity in the haploid as well as in the diploid. A segment within the carboxy-terminal one-third of ∝2 displays some homology to the higher eukaryote homeo domain as well as to a prokaryotic bihelical DNA-binding structural motif. This region of the gene was subjected to semi-random missense mutagenesis in vitro and the mutant genes were analyzed by transformation into strains containing chimaeric genes that encode β-galactosidase from ∝2 and a1/∝2. repressible promoters. In this manner it was demonstrated that most of those residues in ∝2. which correspond to conserved amino acids in the prokaryotic DNA-binding structure and in the homeo domain are essential for the two repressor activities of ∝2. Several mutations more severely affected the ability of ∝2 to repress α-specific genes than haploid-specific genes. Analysis of the temperature dependence of the activities of some of the mutants was consistent with the existence of a helix-turn-helix structure at this region of the protein. Finally, further analysis of some of these mutants in vitro confirmed that the observed defect correlated with a loss of DNA-binding activity.
Medicine, Faculty of
Biochemistry and Molecular Biology, Department of
Graduate
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Laurencikiene, Jurga. „Regulation of germline transcription in the immunoglobulin heavy chain locus /“. Stockholm, 2004. http://diss.kib.ki.se/2004/91-7349-989-7/.

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Farquhar, R. „The spoIVC locus of Bacillus subtilis“. Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370251.

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Wilkes, David Charles. „Molecular analysis of the Friedreich's ataxia locus“. Thesis, Imperial College London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309737.

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Nicholls, R. D. „Molecular genetics of the human #alpha#-globin locus“. Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375277.

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Bücher zum Thema "Locusts Genetics"

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Edwards, Sara Joanne. Genetic analysis of the Treacher Collins syndrome locus. Manchester: University of Manchester, 1995.

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Gladwin, Amanda Jane. The molecular genetic analysis of the Treacher Collins syndrome locus. Manchester: University of Manchester, 1996.

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Perveen, Rahat. Genetic and physical mapping around the Treacher Collins syndrome locus. Manchester: University of Manchester, 1994.

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Heather, Lisa Jane. Physical and genetic mapping around a candidate locus for orofacial clefting. Manchester: University of Manchester, 1994.

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Plätke, Rosemarie. Die Entstehung von Supergenen in unterteilten Populationen: Ein theoretischer Ansatz anhand eines Zwei-Locus-Modells. Krefeld: Marchal und Matzenbacher, 1986.

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Miller, Carey S. Molecular genetic studies of the cytochrome f locus in Vicia faba L. Ottawa: National Library of Canada, 1990.

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Crosby, Andrew Harry. Genetic and physical mapping of the dentinogenesis imperfecta type II locus: The exclusion of three candidate genes from a causative role in the pathogenesis of this disorder. Manchester: University of Manchester, 1995.

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O'Brien, Stephen J. Genetic Maps: Locus Maps of Complex Genomes (Genetic Maps) (Genetic Maps). 5. Aufl. Cold Spring Harbor Laboratory Press, 1990.

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Walsh, Bruce, und Michael Lynch. The Population Genetics of Selection. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198830870.003.0005.

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This chapter examines models of one- and two-locus selection in the absence of drift and mutation. Expressions for the per-generation rate of allele-frequency change and the expected time for a specified amount of change are developed for single-locus models, and their equilibrium structure is examined for those settings where selection retains more than one allele. The presence of selection-generated linkage disequilibrium greatly complicates the extension of single-locus results to two loci, and the chapter examines some of the resulting complications. Finally, it examines the nature of selection on a locus that underlies a trait under selection, and then uses this to develop the breeder's equation for the single-generation response in a trait under selection. One important result is that the loci for a trait under stabilizing selection experience fitness underdominance, and thus trait selection removes, rather than retains, genetic variation.
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Iyamabo, Odianosen E. Effects of selection, recombination and plot type on phenotypic and quantitative trait locus analyses in barley (Hordeum vulgare L.). 1993.

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Buchteile zum Thema "Locusts Genetics"

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Malik, Jamil A., Theresa A. Morgan, Falk Kiefer, Mustafa Al’Absi, Anna C. Phillips, Patricia Cristine Heyn, Katherine S. Hall et al. „Locus (Genetics)“. In Encyclopedia of Behavioral Medicine, 1170. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-1005-9_708.

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Turner, J. Rick. „Locus (Genetics)“. In Encyclopedia of Behavioral Medicine, 1301. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39903-0_708.

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Shehzad, Tariq, und Kazutoshi Okuno. „Quantitative trait locus mapping and genetic improvement to strengthen drought tolerance in sorghum.“ In Molecular breeding in wheat, maize and sorghum: strategies for improving abiotic stress tolerance and yield, 433–43. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789245431.0025.

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Abstract This chapter overviews the approaches to and application of quantitative trait locus (QTL) mapping and positional cloning of genes controlling important traits related to drought tolerance in sorghum (Sorghum bicolor), which ultimately yields crop improvement and genetic modification. The use of high-throughput phenotyping will help better understand the mechanism involved in response to drought stress by plants. The new paradigm of scientific research should focus on the integration of physiology, genetics, genomics, soil characteristics and breeding to deal with the challenges of food security in the coming years.
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Nagylaki, Thomas. „Selection at an Autosomal Locus“. In Introduction to Theoretical Population Genetics, 47–101. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-76214-7_4.

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Han, K. H., M. P. Gordon und D. E. Keathley. „Genetic Transformation of Black Locust (Robinia pseudoacacia L.)“. In Transgenic Trees, 273–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59609-4_19.

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6

Beaudet, Arthur L., William E. O’Brien, Hans-Georg O. Bock, Svend O. Freytag und Tsung-Sheng Su. „The Human Argininosuccinate Synthetase Locus and Citrullinemia“. In Advances in Human Genetics 15, 161–96. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4615-8356-1_3.

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7

D’Hoostelaere, L., K. Huppi, B. Mock, C. Mallett, D. Gibson, J. Hilgers und M. Potter. „The Organization of the Immunoglobulin Kappa Locus in Mice“. In Genetics of Immunological Diseases, 116–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-50059-6_18.

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Shultz, L. D. „Pleiotropic Effects of Deleterious Alleles at the “Motheaten” Locus“. In Genetics of Immunological Diseases, 216–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-50059-6_32.

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Tutter, A., und R. Riblet. „Selective and Neutral Evolution in the Murine Igh-V Locus“. In Genetics of Immunological Diseases, 107–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-50059-6_17.

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Stubbs, L., A. Poustka, D. Rohme, L. B. Russell und H. Lehrach. „Approaching the Mouse Steel Locus from Closely Linked Molecular Markers“. In Genetics of Immunological Diseases, 47–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-50059-6_8.

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Konferenzberichte zum Thema "Locusts Genetics"

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Moore, G. „The major chromosome pairing locus (Ph1) in hexaploid wheat: a perspective“. In Proceedings of the Fifth International Rice Genetics Symposium. World Scientific Publishing Company, 2007. http://dx.doi.org/10.1142/9789812708816_0019.

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„Intragenomic polymorphism of internal transcribed spacer ITS1 in the locus 35S rRNA of polyploid Avena species“. In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 2019. http://dx.doi.org/10.18699/plantgen2019-148.

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„Development and validation of molecular markers linked to locus on chromosome 3H conferring barley resistance to Pyrenophora teres f. teres“. In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Novosibirsk ICG SB RAS 2021, 2021. http://dx.doi.org/10.18699/plantgen2021-121.

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„Novel genomic marker for the Alm locus in barley identified based on transcriptome analysis“. In Current Challenges in Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences Novosibirsk State University, 2019. http://dx.doi.org/10.18699/icg-plantgen2019-52.

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Golovatskaya, A. V., und S. Z. Guchetl. „THE CERTIFICATION OF SUNFLOWER LINES FROM THE COLLECTION OF THE DON EXPERIMENTAL STATION OF V.S. PUSTOVOIT ALL-RUSSIAN RESEARCH INSTITUTE OF OIL CROPS BY USING DNA MARKERS“. In 11-я Всероссийская конференция молодых учёных и специалистов «Актуальные вопросы биологии, селекции, технологии возделывания и переработки сельскохозяйственных культур». V.S. Pustovoit All-Russian Research Institute of Oil Crops, 2021. http://dx.doi.org/10.25230/conf11-2021-39-43.

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Annotation:
The aim of this research was to develop molecular genetic passports of sunflower lines from the collection of the Don experimental station of V.S. Pustovoit All-Russian Research Institute of Oil Crops based on polymorphic fractions of microsatellite DNA. We used 17 lines as a research material. We used 12 pairs of primers for genotyping. We found that the ORS 559 locus was monomorphic for these samples. The rest of the loci had from 2 to 4 alleles. The average number of alleles per locus was 2.75, PIC – 0.49, the effective number of alleles – 2.16. The analysis of the DNA profiles of the lines showed the individuality of the allelic composition of each of them. The analysis of the genetic relations between the lines showed that the studied lines were divided into two groups, with a genetic distance between them of 5.9.
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„Comparative characteristic of near-isogenic lines differing by the Blp locus in respect to abiotic stress resistance“. In Current Challenges in Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences Novosibirsk State University, 2019. http://dx.doi.org/10.18699/icg-plantgen2019-28.

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„Locus Hl, determining leaf pubescence in the genus Triticum L., as a marker of non-homoeological rearrangement 4A/5A/7B, its phenotypic expression and role in adaptation to drought“. In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Novosibirsk ICG SB RAS 2021, 2021. http://dx.doi.org/10.18699/plantgen2021-164.

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Xu, Kai, Xiao-ping Chen, Wei Liu und Mary-Anne Williams. „Legged robot gait locus generation based on genetic algorithms“. In the 2006 international symposium. New York, New York, USA: ACM Press, 2006. http://dx.doi.org/10.1145/1232425.1232435.

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Liu, Jun, Jie Fu und Xue Bai. „A New Genetic Algorithm considering diversity of gene locus“. In 2015 2nd International Workshop on Materials Engineering and Computer Sciences. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/iwmecs-15.2015.151.

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Seltsam, K., C. Ruffert, S. Beer, J. Mössner, P. Michl, M. Sahin-Tóth, H. Witt und J. Rosendahl. „Genetic analysis of the CTRB1-CTRB2 locus in chronic pancreatitis“. In Viszeralmedizin 2017. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1604949.

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Berichte der Organisationen zum Thema "Locusts Genetics"

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Bongarten, B. C., und S. A. Merkle. Optimizing energy yields in black locust through genetic selection: final report. Office of Scientific and Technical Information (OSTI), Oktober 1996. http://dx.doi.org/10.2172/395580.

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