Inbreeding drives maize centromere evolution

Author: djjr

August undefined, 2024

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 … WebFeb 8, 2016 · Taken together, this evidence strongly suggests that inbreeding, favored by postdomestication selection for centromere-linked genes affecting key domestication or …

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 … 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 … the professor in back to the future

Maize Centromere Structure and Evolution: Sequence Analysis of ... - P…

WebWE OFFER. $18/hour+ includes a base rate and guaranteed tip rate – customer tips are unlimited! Paid vacation time and paid breaks. Paid in-house training. Company … 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. the professor logos

Stable centromere positioning in diverse sequence contexts of …

Centromeres: From chromosome biology to ... - Wiley Online Library

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. WebMar 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. the professor lookWebJan 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... signarama long beach ca

"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 ). " - Inbreeding drives maize centromere evolution

Inbreeding drives maize centromere evolution

Centromeric retrotransposons and centromere function

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 … Webdata:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAAAw5JREFUeF7t181pWwEUhNFnF+MK1IjXrsJtWVu7HbsNa6VAICGb/EwYPCCOtrrci8774KG76 ...

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

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 …

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 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

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 …

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 signarama downtown san antonioWebAug 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 … the professor in money heistWebFeb 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. the professor is quiteWebFunctional centromeres, the chromosomal sites of spindle attachment during cell division, are marked epigenetically by the centromere-specific histone H3 variant cenH3 and … signarama peterborough ontarioWebAug 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). signarama louisville downtownWebHere we describe the detailed mechanism and chronology of centromere repeat replacement, and identify inbreeding as a major driver of centromeric DNA replacement … signarama north kingstown riWebMar 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. the professor loses