Search Results - "Underwood, Charles J"

Engineering Apomixis: Clonal Seeds Approaching the Fields by Underwood, Charles J, Mercier, Raphael

“…Apomixis is a form of reproduction leading to clonal seeds and offspring that are genetically identical to the maternal plant. While apomixis naturally occurs…”
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GenomeScope: fast reference-free genome profiling from short reads by Vurture, Gregory W, Sedlazeck, Fritz J, Nattestad, Maria, Underwood, Charles J, Fang, Han, Gurtowski, James, Schatz, Michael C

“…GenomeScope is an open-source web tool to rapidly estimate the overall characteristics of a genome, including genome size, heterozygosity rate and repeat…”
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Epigenetic activation of meiotic recombination near Arabidopsis thaliana centromeres via loss of H3K9me2 and non-CG DNA methylation by Underwood, Charles J, Choi, Kyuha, Lambing, Christophe, Zhao, Xiaohui, Serra, Heïdi, Borges, Filipe, Simorowski, Joe, Ernst, Evan, Jacob, Yannick, Henderson, Ian R, Martienssen, Robert A

“…Eukaryotic centromeres contain the kinetochore, which connects chromosomes to the spindle allowing segregation. During meiosis, centromeres are suppressed for…”
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Genetic and epigenetic variation of transposable elements in Arabidopsis by Underwood, Charles J, Henderson, Ian R, Martienssen, Robert A

“…•Natural Arabidopsis accessions exhibit genetic and epigenetic variation of TEs.•Variable enrichment of TE classes in euchromatin, pericentromeres and…”
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Nucleosomes and DNA methylation shape meiotic DSB frequency in Arabidopsis thaliana transposons and gene regulatory regions by Choi, Kyuha, Zhao, Xiaohui, Tock, Andrew J, Lambing, Christophe, Underwood, Charles J, Hardcastle, Thomas J, Serra, Heïdi, Kim, Juhyun, Cho, Hyun Seob, Kim, Jaeil, Ziolkowski, Piotr A, Yelina, Nataliya E, Hwang, Ildoo, Martienssen, Robert A, Henderson, Ian R

“…Meiotic recombination initiates from DNA double-strand breaks (DSBs) generated by SPO11 topoisomerase-like complexes. Meiotic DSB frequency varies extensively…”
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Natural variation and dosage of the HEI10 meiotic E3 ligase control Arabidopsis crossover recombination by Ziolkowski, Piotr A, Underwood, Charles J, Lambing, Christophe, Martinez-Garcia, Marina, Lawrence, Emma J, Ziolkowska, Liliana, Griffin, Catherine, Choi, Kyuha, Franklin, F Chris H, Martienssen, Robert A, Henderson, Ian R

“…During meiosis, homologous chromosomes undergo crossover recombination, which creates genetic diversity and balances homolog segregation. Despite these…”
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Selective Methylation of Histone H3 Variant H3.1 Regulates Heterochromatin Replication by Jacob, Yannick, Bergamin, Elisa, Donoghue, Mark T. A., Mongeon, Vanessa, LeBlanc, Chantal, Voigt, Philipp, Underwood, Charles J., Brunzelle, Joseph S., Michaels, Scott D., Reinberg, Danny, Couture, Jean-François, Martienssen, Robert A.

“…Histone variants have been proposed to act as determinants for posttranslational modifications with widespread regulatory functions. We identify a…”
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Recombination Rate Heterogeneity within Arabidopsis Disease Resistance Genes by Choi, Kyuha, Reinhard, Carsten, Serra, Heïdi, Ziolkowski, Piotr A, Underwood, Charles J, Zhao, Xiaohui, Hardcastle, Thomas J, Yelina, Nataliya E, Griffin, Catherine, Jackson, Matthew, Mézard, Christine, McVean, Gil, Copenhaver, Gregory P, Henderson, Ian R

“…Meiotic crossover frequency varies extensively along chromosomes and is typically concentrated in hotspots. As recombination increases genetic diversity,…”
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Apomixis by Wang, Yazhong, Underwood, Charles J.

“…Wang and Underwood introduce apomixis in plants…”
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Heterogeneous transposable elements as silencers, enhancers and targets of meiotic recombination by Underwood, Charles J., Choi, Kyuha

“…During meiosis, DNA double-strand breaks are initiated by the topoisomerase-like enzyme SPO11 and are repaired by inter-sister chromatid and inter-homologue…”
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A new Oligocene site with terrestrial mammals and a selachian fauna from Minqar Tibaghbagh, the Western Desert of Egypt by Van Vliet, Hendrik Jan, Schulp, Anne S, El-Kheir, Gebely A.M.M. Abu, Paijmans, Theo M, Bosselaers, Mark, Underwood, Charles J

“…A new fossil site at Minqar Tibaghbagh, east of Siwa, in the Egyptian Western Desert is described. This represents the first place in Egypt outside the Fayum…”
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Meiosis in crops: from genes to genomes by Wang, Yazhong, van Rengs, Willem M J, Zaidan, Mohd Waznul Adly Mohd, Underwood, Charles J

“…Meiosis generates genetic diversity in natural populations and during breeding. We review meiosis research in major crop species, including an in-depth…”
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Massive crossover elevation via combination of HEI10 and recq4a recq4b during Arabidopsis meiosis by Serra, Heïdi, Lambing, Christophe, Griffin, Catherine H., Topp, Stephanie D., Nageswaran, Divyashree C., Underwood, Charles J., Ziolkowski, Piotr A., Séguéla-Arnaud, Mathilde, Fernandes, Joiselle B., Mercier, Raphaël, Henderson, Ian R.

“…During meiosis, homologous chromosomes undergo reciprocal crossovers, which generate genetic diversity and underpin classical crop improvement. Meiotic…”
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A PARTHENOGENESIS allele from apomictic dandelion can induce egg cell division without fertilization in lettuce by Underwood, Charles J., Vijverberg, Kitty, Rigola, Diana, Okamoto, Shunsuke, Oplaat, Carla, Camp, Rik H. M. Op den, Radoeva, Tatyana, Schauer, Stephen E., Fierens, Joke, Jansen, Kim, Mansveld, Sandra, Busscher, Marco, Xiong, Wei, Datema, Erwin, Nijbroek, Koen, Blom, Evert-Jan, Bicknell, Ross, Catanach, Andrew, Erasmuson, Sylvia, Winefield, Christopher, van Tunen, Arjen J., Prins, Marcel, Schranz, M. Eric, van Dijk, Peter J.

“…Apomixis, the clonal formation of seeds, is a rare yet widely distributed trait in flowering plants. We have isolated the PARTHENOGENESIS ( PAR ) gene from…”
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Harnessing clonal gametes in hybrid crops to engineer polyploid genomes by Wang, Yazhong, Fuentes, Roven Rommel, van Rengs, Willem M. J., Effgen, Sieglinde, Zaidan, Mohd Waznul Adly Mohd, Franzen, Rainer, Susanto, Tamara, Fernandes, Joiselle Blanche, Mercier, Raphael, Underwood, Charles J.

“…Heterosis boosts crop yield; however, harnessing additional progressive heterosis in polyploids is challenging for breeders. We bioengineered a ‘mitosis…”
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Technology-driven approaches for meiosis research in tomato and wild relatives by Peters, Sander A., Underwood, Charles J.

“…Meiosis is a specialized cell division during reproduction where one round of chromosomal replication is followed by genetic recombination and two rounds of…”
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A chromosome scale tomato genome built from complementary PacBio and Nanopore sequences alone reveals extensive linkage drag during breeding by Rengs, Willem M. J., Schmidt, Maximilian H.‐W., Effgen, Sieglinde, Le, Duyen Bao, Wang, Yazhong, Zaidan, Mohd Waznul Adly Mohd, Huettel, Bruno, Schouten, Henk J., Usadel, Björn, Underwood, Charles J.

“…SUMMARY The assembly and scaffolding of plant crop genomes facilitate the characterization of genetically diverse cultivated and wild germplasm. The cultivated…”
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The emerging role of small RNAs in ovule development, a kind of magic by Petrella, Rosanna, Cucinotta, Mara, Mendes, Marta A., Underwood, Charles J., Colombo, Lucia

“…In plants, small RNAs have been recognized as key genetic and epigenetic regulators of development. Small RNAs are usually 20 to 30 nucleotides in length and…”
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Natural variation identifies SNI1, the SMC5/6 component, as a modifier of meiotic crossover in Arabidopsis by Zhu, Longfei, Fernández-Jiménez, Nadia, Szymanska-Lejman, Maja, Pelé, Alexandre, Underwood, Charles J., Serra, Heïdi, Lambing, Christophe, Dluzewska, Julia, Bieluszewski, Tomasz, Pradillo, Mónica, Henderson, Ian R., Ziolkowski, Piotr A.

“…The frequency and distribution of meiotic crossovers are tightly controlled; however, variation in this process can be observed both within and between…”
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Argonautes team up to silence transposable elements in Arabidopsis by Underwood, Charles J, Martienssen, Robert A

“…The de novo silencing of transposable elements in plants and animals is mediated in part by RNA‐directed chromatin modification. In flowering plants, AGO4 has…”
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