Results 41 to 50 of about 577 (110)

Functional characterization of the diatom cyclin-dependent kinase A2 as a mitotic regulator reveals plant-like properties in a non-green lineage [PDF]

, 2015
Background: Cyclin-dependent kinases (CDKs) are crucial regulators of cell cycle progression in eukaryotes. The diatom CDKA2 was originally assigned to the classical A-type CDKs, but its cell cycle phase-specific transcription at the G2-to-M phase ...
Bowler, Chris, De Veylder, Lieven, Huysman, Marie, Tanaka, Atsuko, Vyverman, Wim   +4 more
core   +2 more sources

Analysis of variation for apomictic reproduction in diploid Paspalum rufum [PDF]

, 2014
Background and Aims: The diploid cytotype of Paspalum rufum (Poaceae) reproduces sexually and is self-sterile; however, recurrent autopolyploidization through 2n + n fertilization and the ability for reproduction via apomixis have been documented in one ...
Delgado Benarroch, Luciana, Espinoza, Francisco, Galdeano, Florencia, Ortiz, Juan Pablo Amelio, Quarin, Camilo Luis, Sartor, Maria Esperanza   +5 more
core   +2 more sources

Identifying and Engineering Genes for Parthenogenesis in Plants

Frontiers in Plant Science, 2019
Parthenogenesis is the spontaneous development of an embryo from an unfertilized egg cell. It naturally occurs in a variety of plant and animal species.
Kitty Vijverberg, Peggy Ozias-Akins, M. Eric Schranz   +2 more
doaj   +1 more source

A new monotypic family for the enigmatic crustose red alga Plagiospora gracilis. [PDF]

, 2016
Plagiospora gracilis, a mucilaginous crustose red alga growing on subtidal pebbles on both coasts of the North Atlantic Ocean, forms distinctive tetrasporangia (red algal meiotic structures that release haploid tetraspores) but gametophytes have never ...
Batters, Batters, Butterfield, Chiovitti, Christine A. Maggs, Collins, Denizot, Dufour, Edelstein, Gary W. Saunders, Guiry, Guiry, Guiry, Hauck, Hawkes, Irvine, Kearse, Kregting, Kuckuck, Kylin, Kylin, Kylin, Kylin, Lee, Maggs, Maggs, Maggs, Maggs, Norris, Parke, Rosenvinge, Saunders, Saunders, Saunders, Saunders, Saunders, Saunders, Schneider, Searles, Sears, South, Taylor, Thiers, Verbruggen, Wittmann, Womersley, Womersley, Wynne, Yang, Yoon, Yoon   +50 more
core   +1 more source

Determination of the Developmental Origin of Seeds Containing Endosperm Using Flow Cytometric Analysis

Bio-Protocol, 2015
Seeds derived from a diploid, sexual plant typically contain a 2n embryo (n+n) and 3n endosperm, a ratio characteristic for most flowering plants. However, this ratio is altered in apomictic species, which reproduce asexually through seeds (Koltunow and ...
Christian Sailer, Anja Schmidt, Ueli Grossniklaus   +2 more
doaj   +1 more source

Engineering meiotic recombination pathways in rice

Plant Biotechnology Journal, Volume 17, Issue 11, Page 2062-2077, November 2019., 2019
Summary In the last 15 years, outstanding progress has been made in understanding the function of meiotic genes in the model dicot and monocot plants Arabidopsis and rice (Oryza sativa L.), respectively. This knowledge allowed to modulate meiotic recombination in Arabidopsis and, more recently, in rice. For instance, the overall frequency of crossovers
Ian Fayos, Delphine Mieulet, Julie Petit, Anne Cécile Meunier, Christophe Périn, Alain Nicolas, Emmanuel Guiderdoni   +6 more
wiley   +1 more source

Selection of reference genes for quantitative real-time PCR expression studies of microdissected reproductive tissues in apomictic and sexual Boechera [PDF]

, 2011
Background Apomixis, a natural form of asexual seed production in plants, is considered to have great biotechnological potential for agriculture. It has been hypothesised that de-regulation of the sexual developmental pathway could trigger apomictic ...
Marco Pellino, Timothy F Sharbel, Martin Mau, Samuel Amiteye, José Corral   +4 more
core   +3 more sources

Ploidy-dependent effect of prolonged photoperiod on mode of reproduction and photosynthesis in the Ranunculus auricomus complex (Ranunculaceae) [PDF]

, 2021
Polyploidy, whole-genome duplication, enhances stress-tolerance to drastic environmental compared to their diploid progenitor by enabling more extensive adaptation as advantages of gene and genome duplication.
Ulum, Fuad Bahrul
core   +1 more source

Asymmetric reproductive interference: The consequences of cross‐pollination on reproductive success in sexual–apomictic populations of Potentilla puberula (Rosaceae)

Ecology and Evolution, Volume 8, Issue 1, Page 365-381, January 2018., 2018
We tested for reproductive compatibility of naturally co‐occurring tetraploid sexuals and penta‐ to octoploid apomicts in the rosaceous species Potentilla puberula performing controlled crosses. We estimated the role of selfing as crossing barrier and effects of cross‐ and self‐pollen quality as well as maternal:paternal genomic ratios in the endosperm
Christoph Dobeš, Susanne Scheffknecht, Yulia Fenko, Dagmar Prohaska, Christina Sykora, Karl Hülber   +5 more
wiley   +1 more source

Status of Global Pearl Millet Breeding Programs and the Way Forward

Crop Science, Volume 57, Issue 6, Page 2891-2905, November–December 2017., 2017
Pearl millet [Pennisetum glaucum (L.) R. Br.] is a warm‐season, C4 annual cereal primarily grown in Africa and India for food and fodder. It is also grown in the United States, mainly as a forage crop on a limited area. It is the sixth most important cereal crop in the world. More than 90 million people around the world rely on it as a food grain.
Desalegn D. Serba, Ramasamy Perumal, Tesfaye T. Tesso, Doohong Min   +3 more
wiley   +1 more source