Results 31 to 40 of about 610 (152)

Editorial: Genetics and genomics of plant reproduction for crop breeding, volume II [PDF]

open access: yesFrontiers in Plant Science, 2023
Gianni Barcaccia   +9 more
doaj   +2 more sources

Apomeiosis stability in weeping lovegrass: genetic control across time and environments

open access: yes
Institut de Recherche pour le ...
Quevedo, Martín Raúl   +3 more
core   +3 more sources

TRIMETHYLGUANOSINE SYNTHASE1 mutations decanalize female germline development in Arabidopsis

open access: yesNew Phytologist, Volume 240, Issue 2, Page 597-612, October 2023., 2023
Summary Here, we report the characterization of a plant RNA methyltransferase, orthologous to yeast trimethylguanosine synthase1 (Tgs1p) and whose downregulation was associated with apomixis in Paspalum grasses. Using phylogenetic analyses and yeast complementation, we determined that land plant genomes all encode a conserved, specific TGS1 protein ...
Lorena A. Siena   +7 more
wiley   +1 more source

The spread of infectious asexuality through haploid pollen

open access: yesNew Phytologist, Volume 230, Issue 2, Page 804-820, April 2021., 2021
Summary The mechanisms of initiation and transmission of apomixis (asexual reproduction through seeds) in natural plant populations are important for understanding the evolution of reproductive variation. Here, we used the phylogenetic diversity of the genus Boechera (Brassicaceae), together with natural diversity in pollen types produced by apomictic ...
Martin Mau   +6 more
wiley   +1 more source

Skipping sex: A nonrecombinant genomic assemblage of complementary reproductive modules

open access: yesBioEssays, Volume 43, Issue 1, January 2021., 2021
Asexuality arises through developmental alterations with apparently unrelated origins. We show the occurrence of asexual animals and plants have a common genetic and developmental basis on a single nonrecombinant assemblage of genomic elements altering complementary reproductive modules.
Diego Hojsgaard, Manfred Schartl
wiley   +1 more source

Synthetic apomixis: the beginning of a new era.

open access: yesCurrent Opinion in Biotechnology, 2023
Apomixis is a process of asexual reproduction that enables plants to bypass meiosis and fertilization to generate clonal seeds that are identical to the maternal genotype. Apomixis has tremendous potential for breeding plants with desired characteristics,
Jie Xiong   +5 more
semanticscholar   +1 more source

Transient Activation of Apomixis in Sexual Neotriploids May Retain Genomically Altered States and Enhance Polyploid Establishment

open access: yesFrontiers in Plant Science, 2018
Polyploid genomes evolve and follow a series of dynamic transfigurations along with adaptation and speciation. The initial formation of a new polyploid individual within a diploid population usually involves a triploid bridge, a two-step mechanism of ...
Diego Hojsgaard
doaj   +1 more source

The Boechera Genus as a Resource for Apomixis Research

open access: yesFrontiers in Plant Science, 2019
The genera Boechera (A. Löve et D. Löve) and Arabidopsis, the latter containing the model plant Arabidopsis thaliana, belong to the same clade within the Brassicaceae family.
Vladimir Brukhin   +8 more
doaj   +1 more source

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

open access: yesBio-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   +2 more
doaj   +1 more source

Engineering meiotic recombination pathways in rice

open access: yesPlant 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   +6 more
wiley   +1 more source

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