Inbreeding drives maize centromere evolution

WebInbreeding drives maize centromere evolution Kevin L. Schneider, Zidian Xie, Thomas K. Wolfgruber, and Gernot G. Presting The diversity of centromere-specific DNA repeats in different species (centromere paradox) and the seemingly parallel rapid evolution of the cenH3 histone protein have previously been WebApr 1, 2024 · To explain the rapid evolution of centromeric DNA and proteins, the centromere drive hypothesis invoked competition between the centromeric DNA and cenH3, Discovery and genomic distribution of plant centromeric retrotransposons

Inbreeding drives maize centromere evolution - PubAg

WebJan 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). 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). city bar and grill richmond va https://mertonhouse.net

Maize Centromere Structure and Evolution: Sequence …

WebMay 9, 2014 · In contrast to the plant-centric naming convention used currently for CR elements, we classify elements primarily based on their phylogenetic relationships regardless of host plant, using the exhaustively studied maize elements assigned to six differentmore »subfamilies as a standard. WebFeb 8, 2016 · Taken together, this evidence strongly suggests that inbreeding, favored by postdomestication selection for centromere-linked genes affecting key domestication or … 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 ( … city bar association

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Inbreeding drives maize centromere evolution

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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 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.

Inbreeding drives maize centromere evolution

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WebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … 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...

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

WebNov 20, 2009 · Maize centromeres are sites of active genome rearrangement. We were able to construct physical maps that traverse the entire B73 centromere region for two chromosomes, allowing us for the … dicks sporting good store roseville mnWebThe 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... city bar association of new yorkWebcentromere chromatin Goals / Objectives 1) Identify and date the insertion times of most complete retrotransposons of the maize inbred B73 genome. 2) Characterize major … city bar association new yorkWebCentromeres are the genomic regions that organize and regulate chromosome behaviours during cell cycle, and their variations are associated with genome instability, karyotype evolution and speciation in eukaryotes. The highly repetitive and epigenetic nature of centromeres were documented during the past half century. city barbaWebApr 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 … dicks sporting good storesWebMar 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. city bar athensWebJul 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 ... city bar association of ny