Inbreeding drives maize centromere evolution

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August undefined, 2024

WebThe diversity of centromere-specific DNA repeats in different species (centromere paradox) and the seemingly parallel rapid evolution of the cenH3 histone protein have previously … WebDec 5, 2008 · Female meiotic drive may explain the rapid diversification of centromeres, the DNA-protein complexes that mediate chromosomal segregation ( 5 ), and may promote speciation through the evolution of hybrid incompatibilities ( 5) and karyotypic rearrangements ( 6 ).

Diversity and evolution of centromere repeats in the maize genome

WebApr 28, 2024 · The original ancestral centromere position still contains maize centromere-specific CentC satellite repeats and a higher amount of the centromeric retroelement CRM2 than the new centromere positions, but is no longer enriched in CenH3. ... Schneider KL, Xie Z, Wolfgruber TK, Presting GG (2016) Inbreeding drives maize centromere evolution. Proc … WebCentromere repeats are found in most eukaryotes and play a critical role in kinetochore formation. Though centromere repeats exhibit considerable diversity both within and among species, little is understood about the mechanisms that drive centromere repeat evolution. Here, we use maize as a model to investigate how a complex history involving polyploidy, … solar eclipse of march 9 2016

Oligo-FISH barcode in beans: a new chromosome identification

WebApr 1, 2024 · Centromeric chromatin is marked epigenetically with the centromere-specific histone H3 protein (cenH3), which interacts with other proteins to seed the proteinaceous … WebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … WebOct 30, 2024 · KL Schneider, Z Xie, TK Wolfgruber, GG Presting, Inbreeding drives maize centromere evolution. Proc Natl Acad Sci USA 113, E987–E996 (2016). Crossref. PubMed. Google Scholar. 32. G Vader, et al., Protection of repetitive DNA borders from self-induced meiotic instability. Nature 477, 115–119 (2011). solar eclipse occurs during what moon phase

Diversity and evolution of centromere repeats in the maize genome

(PDF) Inbreeding drives maize centromere evolution. (2016)

WebAug 2, 2024 · The interaction between centromeres, kinetochores and microtubule polymers lies at the nexus of metaphase and anaphase, ensuring faithful separation of the sister … WebThe ancestral centromeres of maize contain long stretches of the tandemly arranged CentC repeat. The abundance of tandem DNA repeats and centromeric retrotransposons (CR) has presented a... solar eclipse of the heart songWebJan 30, 2024 · Wolfgruber, T. K. et al. Maize centromere structure and evolution: sequence analysis of centromeres 2 and 5 reveals dynamic loci shaped primarily by retrotransposons. PLoS Genet 5 , e1000743 (2009). slumber lotion aromatherapy april

"WebThis book provides the biographies, and a related summary, of geneticists and breeders of maize who have contributed to the major discoveries in the 20th century. Their … " - Inbreeding drives maize centromere evolution

Inbreeding drives maize centromere evolution

Centromeres: From chromosome biology to biotechnology …

WebFeb 23, 2016 · Inbreeding drives maize centromere evolution. Functional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically …

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WebAug 2, 2024 · Strikingly, centromeric variation is a feature present across cancer tissue types, including primary tissue samples, providing further substantiation to the notion that genomic instability in... WebSep 5, 2014 · Although the two ancestral subgenomes of maize have contributed nearly equal numbers of centromeres, our analysis shows that the majority of all CentC repeats …

WebFeb 23, 2016 · Here we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement that ultimately gives rise to new tandem centromere repeats at genetically indistinguishable loci. WebApr 1, 2024 · Inbreeding drives maize centromere evolution. Proc Natl Acad Sci, 113 (2016), pp. E987-E996. View in Scopus Google Scholar. An exhaustive analysis of cenH3 location, phylogenetic relationship and change in repeat content over time for each centromere of the ten chromosomes from >25 maize inbreds. 15.

WebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … WebMar 15, 2024 · Two of the most common chromosomal rearrangements during karyotype evolution are end-to-end fusions and nested chromosomal insertions (Lysak et al., 2006; ... Inbreeding drives maize centromere evolution. ... Formation of a functional maize centromere after loss of centromeric sequences and gain of ectopic sequences.

WebJun 12, 2024 · On the basis of 65× single-molecule real-time sequencing (SMRT) ( Extended Data Fig. 1 ), we assembled the genome of the maize inbred line B73 into 2,958 contigs, in which half of the total assembly is made up of contigs larger than 1.2 Mb ( …

WebJun 21, 2024 · We previously identified two maize inbreds with centromeres at different positions relative to B73: NS701, where centromere 5 is at a different position; and LH74, where centromeres 5 and 8 are at different positions. solar eclipse on 25thWebJun 21, 2024 · Paradoxically, centromeres are known both for their characteristic repeat sequences (satellite DNA) and for being epigenetically defined. Maize (Zea mays mays) is … slumber lyrics needtobreatheWebMar 15, 2024 · These findings are cast in the context of subsequent studies on centromere misdivision, the tendency of broken fragments to join chromosome ends, and the realization from genomic sequences that nested chromosomal insertion and end-to-end chromosomal fusions are common features of karyotype evolution. solar eclipse on 25th october 2022WebJul 7, 2024 · Assays of centromeres in 23 maize inbreds strongly suggest that inbreeding is a major driver of centromere DNA replacement, favoured by post‐domestication selection for centromere‐linked genes likely affecting key domestication or agricultural traits (Schneider et al., 2016). Hence, multilayered mechanisms may collaboratively drive the ... slumberluxe mattress protectorWebApr 1, 2024 · Meiotic drive and centromere evolution Meiotic drive, the non-random assortment of allelic haplotypes, may contribute to centromere evolution. A centromere … solar eclipse october 2022 timeWebFeb 8, 2016 · Taken together, this evidence strongly suggests that inbreeding, favored by postdomestication selection for centromere-linked genes affecting key domestication or agricultural traits, drives replacement of the tandem centromere repeats in maize and … PDF - Inbreeding drives maize centromere evolution PNAS solar eclipse on abc newsWebFeb 23, 2016 · PNAS Plus Significance Statements. Proceedings of the National Academy of Sciences of the United States of America, 23 Feb 2016, 113(8): 1974-1977 PMCID: PMC4776495. Free to read solar eclipse path in us