Cytonuclear responses to genome doubling

Author: klul

August undefined, 2024

WebTogether, these observations support a model wherein breakdown of mitochondria and plastids leads to release of free organellar DNA into the cytosol, which can then passively enter the nucleus, with incorporation into the nuclear genome most likely via mechanisms that repair double-stranded breaks in nuclear DNA (although alternative mechanisms ... WebFeb 1, 2024 · The diploid D-genome lineage of the Triticum/Aegilops complex has an evolutionary history involving genomic contributions from ancient A- and B/S-genome species. We explored here the possible cytonuclear evolutionary responses to this history of hybridization. Phylogenetic analysis of chloroplast DN …

Nuclear-cytoplasmic balance: whole genome duplications …

WebJan 3, 2024 · Therefore, cytonuclear interactions are held in place to prevent genomic conflicts that may lead to incompatibilities. Allopolyploidy resulting from hybridization and genome doubling of two divergent species can disrupt these fine-tuned interactions, as newly formed allopolyploid species confront biparental nuclear chromosomes with a ... WebApr 13, 2024 · Although chemotherapy plus PD-1 blockade (chemo+anti-PD-1) has become the standard first-line therapy for advanced esophageal squamous cell carcinoma … florida arff officer

Genomics of Evolutionary Novelty in Hybrids and Polyploids

WebApr 7, 2024 · Abstract We use genomic information to tell us stories of evolutionary origins. But what does it mean when different genomes report wildly different accounts of lineage history? This genomic “disco... WebSep 7, 2024 · Cytonuclear incompatibility and molecular evolution of organelle-targeted genes in allopolyploid plants. Maternal inheritance of … WebAnalyzing the genome of tumor cells using ctDNA can help doctors determine which treatment will be most effective. Currently, however, approval from the U.S. Food and … great theme songs

(PDF) Cytonuclear responses to genome doubling

WebJul 26, 2024 · In polyploids, doubling of the nuclear genome may add challenges to maintaining balanced expression of proteins involved in cytonuclear interactions. Here, we use ribo-depleted RNA sequencing (RNA-seq) to analyze transcript abundance for nuclear and organellar genomes in leaf tissue from four different polyploid angiosperms and their … WebAug 31, 2024 · Genome-wide scanning of positive selection identified five and 12 genes from the chloroplast and mitochondrial genomes, respectively. Functional analyses … florida arkansas softball scoreWebJan 1, 2024 · In sum, this research aims to provide fundamental insights into genome interactions and crop biology and broaden participation in plant biological research. Allopolyploidy events entail the simultaneous merger of genomes from two divergent lineages combined with the doubling of nuclear genome content. Because cytoplasmic … great thesis statement examples

"WebApr 6, 2024 · Prunus is an economically important genus widely distributed in the temperate Northern Hemisphere. Previous studies on the genus using a variety of loci yielded conflicting phylogenetic hypotheses. Here, we generated nuclear reduced representation sequencing data and plastid genomes for 36 Prunus individuals and two outgroups. Both … " - Cytonuclear responses to genome doubling

Cytonuclear responses to genome doubling

Cytonuclear integration and co-evolution Nature …

WebMar 30, 2024 · Genome doubling causes double trouble Human cancer cells often double their genome through an error in cell division, and this can lead to further genomic … WebCytonuclear coordination between biparental nuclear genomes and uniparental cytoplasmic organellar genomes in plants is often resolved by genetic and transcriptional cytonuclear responses. Whether this mechanism also acts in allopolyploid members of other kingdoms is not clear. Additionally, cytonuc …

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WebJun 9, 2024 · We conclude that increases in organellar genome copy numbers represent a common response to polyploidization, suggesting that maintenance of cytonuclear stoichiometry is an important component in establishing polyploid lineages. WebAug 1, 2024 · One possibility is that subgenome dominance evolved in response to intragenomic conflict within the endosperm. In non-angiosperm plants, ... Cytonuclear responses to genome doubling. Am. J. Bot., 104 (2024), pp. 1277-1280. CrossRef View in Scopus Google Scholar. 15. D.W. Zeh, J.A. Zeh.

WebJul 17, 2024 · The genetic control of eukaryotic cells is divided between the nucleus and one or more cytoplasmic genomes. In one sense, this genomic division of labour is an obvious outcome of the endosymbiotic ... WebThe plant genome is partitioned across three distinct subcellular compartments: the nucleus, mitochondria, and plastids. Successful coordination of gene expression among …

WebCytonuclear responses to genome doubling Citation Details Title: Cytonuclear responses to genome doubling Authors: Sharbrough, Joel; Conover, Justin L.; Tate, … WebDoubling of the nuclear genome via polyploidy may further complicate the challenge of coordinating cytonuclear expression, as it has the potential to perturb the ratio of nuclear to organel-lar genome copies (22, 23). It appears that nuclear genome dou-bling elicits at least a partial compensatory increase in organellar

WebJul 17, 2024 · As summarized in a recent review on cytonuclear responses to genome doubling (Sharbrough et al., 2024), there are a number of potential mechanisms to maintain cytonuclear stoichiometry in polyploid plants. Elevated nuclear gene copy numbers resulting from whole-genome duplications (WGD) could be compensated by (a) more …

WebJun 14, 2024 · Finally, we show that nuclear genome doubling does not alter the cytonuclear expression ratios observed in diploid relatives in consistent or systematic … florida areas hardest hit by ianWebMar 14, 2024 · In polyploids, doubling of the nuclear genome may add challenges to maintaining balanced expression of proteins involved in cytonuclear interactions. Here, we use ribo-depleted RNA-seq to analyze transcript abundance for nuclear and organellar genomes in leaf tissue from four different polyploid angiosperms and their close diploid … florida army national guard bonusWebJul 17, 2024 · This review argues for a special role of cytonuclear interactions in the process of speciation and summarizes extensive work in Tigriopus copepods, a classic system for mitonuclear biology. florida area health education centersWebMar 12, 2024 · Its genome has been sequenced multiple times, but A and B subgenomes could not be separated because no published genome for E. indica existed. ... Subgenomic dominance may be driven by the effects of cytonuclear interacting genes. ... Cytonuclear responses to genome doubling. Am J Bot. 2024;104:1277–80. Article CAS PubMed … great thicket nwrWebOct 30, 2024 · Allopolyploids are often faced with the challenge of maintaining well-coordination between nuclear and cytoplasmic genes inherited from different species. The synthetic allotetraploid Cucumis × hytivus is a useful model to explore cytonuclear coevolution. In this study, the sequences and expression of cytonuclear enzyme … florida armature works incWebThe planned research will investigate this underexplored aspect of genome duplications, with implications for how cellular energetics, which play a key role in growth, reproduction, and yield, are altered in the wake of genome doubling events. The research will use a diverse panel of important crop systems and state-of-the-art genomics techniques. florida army national guard cecil fieldWebJan 28, 2024 · First, organelle genome copy number increased in response to nuclear whole genome duplication (WGD), at least partially compensating for altered nuclear genome dosage. Second, transcriptional output of the different cellular compartments is tuned to maintain diploid-like levels of relative expression among interacting genes. great thesis statements