Inbreeding drives maize centromere evolution

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August undefined, 2024

WebJan 30, 2024 · Centromeric DNA is composed of satellite DNAs and highly repeated centromeric retrotransposons (CRs). Centromeric satellite DNAs are usually mega base-sized arrays with a monomer size ranging from... WebMar 15, 2024 · Second, McClintock described a small chromosome, which she postulated carried an “X component,” that fostered specific types of chromosomal rearrangements mainly involving centromere changes and attachments to the termini of chromosomes.

Inbreeding drives maize centromere evolution - PubMed

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 … WebJun 11, 2024 · “Environmental mosaics, agricultural diversity, and the evolutionary adoption of maize in the American Southwest,” in Histories of Maize: Multidisciplinary Approaches … list of dow jones stocks today

Inbreeding drives maize centromere evolution - NASA/ADS

WebFeb 8, 2016 · Taken together, this evidence strongly suggests that inbreeding, favored by postdomestication selection for centromere-linked genes affecting key domestication or … 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 … WebAug 24, 2016 · Recent cenH3-binding experiments revealed that the maize centromere 5 of the B73 inbred has shifted from its ancestral location enriched in CentC satellite repeats (Schneider et al., 2016). We found that Helitrons are less abundant in CentC-rich regions and are interspersed with all types of CRM elements (Figure S3). list of dow jones business

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Diversity and evolution of centromere repeats in the maize genome

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 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 image wine ringWebMay 12, 2024 · Inbreeding drives maize centromere evolution. February 19th, 2016 Harris and Nielsen 2016 The genetic cost of Neanderthal introgression. February 12th, 2016 Olsen et al. 2016 The genome of the seagrass Zostera marina reveals angiosperm adaptation to the sea. February 5th, 2016 Dopico et al. 2015 image wine cellar

"WebFunctional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically by the centromere-specific histone H3 variant cenH3 and typically contain long stretches of centromere-specific tandem DNA repeats (∼1.8 Mb in maize). In 23 inbreds of domesticated maize chosen to represent the genetic diversity of maize … " - Inbreeding drives maize centromere evolution

Inbreeding drives maize centromere evolution

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 ). 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 …

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http://www.zeagenomics.org/camp/ 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...

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. 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 ( …

WebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … WebFeb 8, 2016 · Europe PMC is an archive of life sciences journal literature.

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 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 … We would like to show you a description here but the site won’t allow us. list of dow 30 stocks and pricesWebSep 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 … list of dow jones stockWebFeb 23, 2016 · Inbreeding drives maize centromere evolution. Functional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically … image winning lotteryWebApr 1, 2024 · Centromeric chromatin is marked epigenetically with the centromere-specific histone H3 protein (cenH3), which interacts with other proteins to seed the proteinaceous … list of dow 30 stocks 2023WebApr 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. image windows par défautWebCentromeres 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. image wine parisWebFunctional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically by the centromere-specific histone H3 variant cenH3 and … image winery