Inbreeding drives maize centromere evolution

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August undefined, 2024

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 … WebMar 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.

Centromeric retrotransposons and centromere function

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. WebAug 8, 2024 · The FISH barcode system emerges as an effective tool to understand the chromosome evolution of economically important legumes and their related species. ... We also detected centromere repositioning associated with chromosomes 2, 3, 5, 7, and 9, confirming previous results for chromosomes 2 and 3. ... Presting GG (2016) Inbreeding … date candy bars

Diversity and evolution of centromere repeats in the maize genome

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... WebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … WebApr 1, 2024 · Meiotic drive and centromere evolution Meiotic drive, the non-random assortment of allelic haplotypes, may contribute to centromere evolution. A centromere … bitwise operator to check even or odd

Inbreeding drives maize centromere evolution. - Europe …

Inbreeding drives maize centromere evolution - NASA/ADS

WebJun 21, 2024 · Paradoxically, centromeres are known both for their characteristic repeat sequences (satellite DNA) and for being epigenetically defined. Maize (Zea mays mays) is … 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. datechainWebFunctional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically by the centromere-specific histone H3 variant cenH3 and … bitwise or and xor

"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... " - Inbreeding drives maize centromere evolution

Inbreeding drives maize centromere evolution

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). 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, …

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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. 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 derive from one of the parental...

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 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 ). 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.

WebFeb 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

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 ( … bitwise or assignment 翻译WebCentromeres 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. date caribbean womenWebFeb 23, 2016 · Inbreeding drives maize centromere evolution. Functional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically … date card in power biWebApr 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 … bitwise or calculationWebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … bitwise_or_cpu not implemented for floatWebMar 15, 2024 · Variation in the exact position of CENH3 in centromeric regions in different varieties of maize indicates that centromere inactivation and de novo formation is a natural occurrence on a regular basis [16]. ... Inbreeding drives maize centromere evolution. Proc. Natl. Acad. Sci. U.S.A. (2016) C.J. Farr et al. date catherine howard married henry viiiWebNov 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 … date carbon was discovered