ArticleAnnals of botany2010
Polyembryony in non-apomictic citrus genotypes.
Article in Annals of botany, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 67 citations in OpenAlex.
- Article
- Paradigm shift in apomixis research: Targeting mutants with elements of apomixis in sexual crops.Planta · 2026Review
- Article
- A tetraploid-dominated cytochimera developed from a natural bud mutant of the nonapomictic mandarin variety 'Orah'.Molecular breeding : new strategies in plant improvement · 2024Article
- Molecular and histological validation of modifiedFrontiers in plant science · 2023Article
- Biotechnological approaches in management of oomycetes diseases.3 Biotech · 2021Review
- Triploid Citrus Genotypes Have a Better Tolerance to Natural Chilling Conditions of Photosynthetic Capacities and Specific Leaf Volatile Organic Compounds.Frontiers in plant science · 2020Article
- Triploidy in Citrus Genotypes Improves Leaf Gas Exchange and Antioxidant Recovery From Water Deficit.Frontiers in plant science · 2020Article
- Genome sequencing and CRISPR/Cas9 gene editing of an early flowering Mini-Citrus (Fortunella hindsii).Plant biotechnology journal · 2019Article
- Reproduction in woody perennial Citrus: an update on nucellar embryony and self-incompatibility.Plant reproduction · 2018Review
- Unreduced Megagametophyte Production in Lemon Occurs via Three Meiotic Mechanisms, Predominantly Second-Division Restitution.Frontiers in plant science · 2017Article
- Genome-scale mRNA and small RNA transcriptomic insights into initiation of citrus apomixis.Journal of experimental botany · 2016Article
- Boron-deficiency-responsive microRNAs and their targets in Citrus sinensis leaves.BMC plant biology · 2015Article
- Long-term boron-deficiency-responsive genes revealed by cDNA-AFLP differ between Citrus sinensis roots and leaves.Frontiers in plant science · 2015Article
- Extensive citrus triploid hybrid production by 2x×4x sexual hybridizations and parent-effect on the length of the juvenile phase.Plant cell reports · 2012Article
- Article
- Tetraploidization events by chromosome doubling of nucellar cells are frequent in apomictic citrus and are dependent on genotype and environment.Annals of botany · 2011Article
- Somatic hybridization for citrus rootstock breeding: an effective tool to solve some important issues of the Mediterranean citrus industry.Plant cell reports · 2011Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsAdventitious embryony from nucellar cells is the mechanism leading to apomixis in Citrus sp. However, singular cases of polyembryony have been reported in non-apomictic genotypes as a consequence of 2x × 4x hybridizations and in vitro culture of isolated nucelli. The origin of the plants arising from the aforementioned processes remains unclear.
methodsThe genetic structure (ploidy and allelic constitution with microsatellite markers) of plants obtained from polyembryonic seeds arising from 2x × 4x sexual hybridizations and those regenerated from nucellus culture in vitro was systematically analysed in different non-apomictic citrus genotypes. Histological studies were also conducted to try to identify the initiation process underlying polyembryony. KEY
resultsAll plants obtained from the same undeveloped seed in 2x × 4x hybridizations resulted from cleavage of the original zygotic embryo. Also, the plants obtained from in vitro nucellus culture were recovered by somatic embryogenesis from cells that shared the same genotype as the zygotic embryos of the same seed.
conclusionsIt appears that in non-apomictic citrus genotypes, proembryos or embryogenic cells are formed by cleavage of the zygotic embryos and that the development of these adventitious embryos, normally hampered, can take place in vivo or in vitro as a result of two different mechanisms that prevent the dominance of the initial zygotic embryo.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.