ArticleSexual plant reproduction2011
Characterization of retrotransposon sequences expressed in inflorescences of apomictic and sexual Paspalum notatum plants.
Article in Sexual plant reproduction, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 39 citations in OpenAlex.
- Apomixis: oh, what a tangled web we have!Planta · 2023Review
- The emerging role of small RNAs in ovule development, a kind of magic.Plant reproduction · 2021Review
- Differential Epigenetic Marks Are Associated with Apospory Expressivity in Diploid Hybrids ofPlants (Basel, Switzerland) · 2021Article
- A study of the heterochronic sense/antisense RNA representation in florets of sexual and apomictic Paspalum notatum.BMC genomics · 2021Article
- Review
- CleanBSequences: an efficient curator of biological sequences in R.Molecular genetics and genomics : MGG · 2020Article
- Review
- Retro-ElementFrontiers in genetics · 2020Article
- Heterochronic reproductive developmental processes between diploid and tetraploid cytotypes of Paspalum rufum.Annals of botany · 2019Article
- A Plant-SpecificFrontiers in plant science · 2019Article
- The MAP3K-CodingFrontiers in plant science · 2018Article
- Establishment of Apomixis in Diploid FFrontiers in plant science · 2018Article
- Structure, target-specificity and expression of PN_LNC_N13, a long non-coding RNA differentially expressed in apomictic and sexual Paspalum notatum.Plant molecular biology · 2018Article
- Comparative whole-genome analysis reveals artificial selection effects on Ustilago esculenta genome.DNA research : an international journal for rapid publication of reports on genes and genomes · 2017Article
- De novo transcriptome sequencing and assembly from apomictic and sexual Eragrostis curvula genotypes.PloS one · 2017Article
- Meiosis, unreduced gametes, and parthenogenesis: implications for engineering clonal seed formation in crops.Plant reproduction · 2015Review
- Apomictic and sexual germline development differ with respect to cell cycle, transcriptional, hormonal and epigenetic regulation.PLoS genetics · 2014Article
- Increased apomixis expression concurrent with genetic and epigenetic variation in a newly synthesized Eragrostis curvula polyploid.Scientific reports · 2014Article
- Characterization and expression analysis of SOMATIC EMBRYOGENESIS RECEPTOR KINASE (SERK) genes in sexual and apomictic Paspalum notatum.Plant molecular biology · 2014Article
- Harnessing apomictic reproduction in grasses: what we have learned from Paspalum.Annals of botany · 2013Review
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Apomixis, an asexual mode of reproduction through seeds, holds much promise for agricultural advances. However, the molecular mechanisms underlying this trait are still poorly understood. We previously isolated several transcripts representing novel sequences differentially expressed in reproductive tissues of sexual and apomictic plants. Here, we report the characterization of two of these unknown RNA transcripts (experimental codes N17 and N22). Since original fragments showed no significant homologies to sequences at databases, preliminary genomic PCR experiments were carried out to discard possible contaminations. RACE extension on flanking regions provided longer sequences for the candidates and additional related transcripts, which revealed similarity to LTR retrotransposons carrying short transduplicated segments of protein-coding genes. Interestingly, some transduplicated segments corresponded to genes previously associated with apomictic development. Gene copy number estimations revealed a moderate representation of the elements in the genome, with significantly increased numbers in a sexual genotype with respect to an apomictic one. Genetic mapping of N17 showed that a copy of this particular element was located onto Paspalum notatum linkage group F3c, at a central non-recombinant region resembling a centromere. Expression analysis showed an increased activity of N17 and N22 sense strands in ovules of the sexual genotypes. A retrotransposon-specific differential display analysis aimed at detecting related sequences allowed the identification of a complex family, with the majority of its members represented in the sexual genotype. Our results suggest that these elements could be participating in regulatory pathways related to apomixis and sexuality.
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